diff --git a/daemons/execd/cts-exec-helper.c b/daemons/execd/cts-exec-helper.c index 6bf20de5d1..eff47f983e 100644 --- a/daemons/execd/cts-exec-helper.c +++ b/daemons/execd/cts-exec-helper.c @@ -1,626 +1,627 @@ /* * Copyright 2012-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #define SUMMARY "cts-exec-helper - inject commands into the Pacemaker executor and watch for events" static int exec_call_id = 0; static gboolean start_test(gpointer user_data); static void try_connect(void); static char *key = NULL; static char *val = NULL; static struct { int verbose; int quiet; guint interval_ms; int timeout; int start_delay; int cancel_call_id; gboolean no_wait; gboolean is_running; gboolean no_connect; int exec_call_opts; const char *api_call; const char *rsc_id; const char *provider; const char *class; const char *type; const char *action; const char *listen; gboolean use_tls; lrmd_key_value_t *params; } options; static gboolean interval_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { return pcmk_parse_interval_spec(optarg, &options.interval_ms) == pcmk_rc_ok; } static gboolean notify_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { if (pcmk__str_any_of(option_name, "--notify-orig", "-n", NULL)) { options.exec_call_opts = lrmd_opt_notify_orig_only; } else if (pcmk__str_any_of(option_name, "--notify-changes", "-o", NULL)) { options.exec_call_opts = lrmd_opt_notify_changes_only; } return TRUE; } static gboolean param_key_val_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { if (pcmk__str_any_of(option_name, "--param-key", "-k", NULL)) { pcmk__str_update(&key, optarg); } else if (pcmk__str_any_of(option_name, "--param-val", "-v", NULL)) { pcmk__str_update(&val, optarg); } if (key != NULL && val != NULL) { options.params = lrmd_key_value_add(options.params, key, val); pcmk__str_update(&key, NULL); pcmk__str_update(&val, NULL); } return TRUE; } static GOptionEntry basic_entries[] = { { "api-call", 'c', 0, G_OPTION_ARG_STRING, &options.api_call, "Directly relates to executor API functions", NULL }, { "is-running", 'R', 0, G_OPTION_ARG_NONE, &options.is_running, "Determine if a resource is registered and running", NULL }, { "listen", 'l', 0, G_OPTION_ARG_STRING, &options.listen, "Listen for a specific event string", NULL }, { "no-wait", 'w', 0, G_OPTION_ARG_NONE, &options.no_wait, "Make api call and do not wait for result", NULL }, { "notify-changes", 'o', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, notify_cb, "Only notify client changes to recurring operations", NULL }, { "notify-orig", 'n', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, notify_cb, "Only notify this client of the results of an API action", NULL }, { "tls", 'S', 0, G_OPTION_ARG_NONE, &options.use_tls, "Use TLS backend for local connection", NULL }, { NULL } }; static GOptionEntry api_call_entries[] = { { "action", 'a', 0, G_OPTION_ARG_STRING, &options.action, NULL, NULL }, { "cancel-call-id", 'x', 0, G_OPTION_ARG_INT, &options.cancel_call_id, NULL, NULL }, { "class", 'C', 0, G_OPTION_ARG_STRING, &options.class, NULL, NULL }, { "interval", 'i', 0, G_OPTION_ARG_CALLBACK, interval_cb, NULL, NULL }, { "param-key", 'k', 0, G_OPTION_ARG_CALLBACK, param_key_val_cb, NULL, NULL }, { "param-val", 'v', 0, G_OPTION_ARG_CALLBACK, param_key_val_cb, NULL, NULL }, { "provider", 'P', 0, G_OPTION_ARG_STRING, &options.provider, NULL, NULL }, { "rsc-id", 'r', 0, G_OPTION_ARG_STRING, &options.rsc_id, NULL, NULL }, { "start-delay", 's', 0, G_OPTION_ARG_INT, &options.start_delay, NULL, NULL }, { "timeout", 't', 0, G_OPTION_ARG_INT, &options.timeout, NULL, NULL }, { "type", 'T', 0, G_OPTION_ARG_STRING, &options.type, NULL, NULL }, { NULL } }; static GMainLoop *mainloop = NULL; static lrmd_t *lrmd_conn = NULL; static char event_buf_v0[1024]; static crm_exit_t test_exit(crm_exit_t exit_code) { lrmd_api_delete(lrmd_conn); return crm_exit(exit_code); } #define print_result(fmt, args...) \ if (!options.quiet) { \ printf(fmt "\n" , ##args); \ } #define report_event(event) \ snprintf(event_buf_v0, sizeof(event_buf_v0), "NEW_EVENT event_type:%s rsc_id:%s action:%s rc:%s op_status:%s", \ lrmd_event_type2str(event->type), \ event->rsc_id, \ event->op_type ? event->op_type : "none", \ services_ocf_exitcode_str(event->rc), \ pcmk_exec_status_str(event->op_status)); \ crm_info("%s", event_buf_v0); static void test_shutdown(int nsig) { lrmd_api_delete(lrmd_conn); lrmd_conn = NULL; } static void read_events(lrmd_event_data_t * event) { report_event(event); if (options.listen) { if (pcmk__str_eq(options.listen, event_buf_v0, pcmk__str_casei)) { print_result("LISTEN EVENT SUCCESSFUL"); test_exit(CRM_EX_OK); } } if (exec_call_id && (event->call_id == exec_call_id)) { if (event->op_status == 0 && event->rc == 0) { print_result("API-CALL SUCCESSFUL for 'exec'"); } else { print_result("API-CALL FAILURE for 'exec', rc:%d lrmd_op_status:%s", event->rc, pcmk_exec_status_str(event->op_status)); test_exit(CRM_EX_ERROR); } if (!options.listen) { test_exit(CRM_EX_OK); } } } static gboolean timeout_err(gpointer data) { print_result("LISTEN EVENT FAILURE - timeout occurred, never found"); test_exit(CRM_EX_TIMEOUT); return FALSE; } static void connection_events(lrmd_event_data_t * event) { int rc = event->connection_rc; if (event->type != lrmd_event_connect) { /* ignore */ return; } if (!rc) { crm_info("Executor client connection established"); start_test(NULL); return; } else { sleep(1); try_connect(); crm_notice("Executor client connection failed"); } } static void try_connect(void) { int tries = 10; static int num_tries = 0; int rc = 0; lrmd_conn->cmds->set_callback(lrmd_conn, connection_events); for (; num_tries < tries; num_tries++) { rc = lrmd_conn->cmds->connect_async(lrmd_conn, crm_system_name, 3000); if (!rc) { return; /* we'll hear back in async callback */ } sleep(1); } print_result("API CONNECTION FAILURE"); test_exit(CRM_EX_ERROR); } static gboolean start_test(gpointer user_data) { int rc = 0; if (!options.no_connect) { if (!lrmd_conn->cmds->is_connected(lrmd_conn)) { try_connect(); /* async connect -- this function will get called back into */ return 0; } } lrmd_conn->cmds->set_callback(lrmd_conn, read_events); if (options.timeout) { g_timeout_add(options.timeout, timeout_err, NULL); } if (!options.api_call) { return 0; } if (pcmk__str_eq(options.api_call, "exec", pcmk__str_casei)) { rc = lrmd_conn->cmds->exec(lrmd_conn, options.rsc_id, options.action, NULL, options.interval_ms, options.timeout, options.start_delay, options.exec_call_opts, options.params); if (rc > 0) { exec_call_id = rc; print_result("API-CALL 'exec' action pending, waiting on response"); } } else if (pcmk__str_eq(options.api_call, "register_rsc", pcmk__str_casei)) { rc = lrmd_conn->cmds->register_rsc(lrmd_conn, options.rsc_id, options.class, options.provider, options.type, 0); } else if (pcmk__str_eq(options.api_call, "get_rsc_info", pcmk__str_casei)) { lrmd_rsc_info_t *rsc_info; rsc_info = lrmd_conn->cmds->get_rsc_info(lrmd_conn, options.rsc_id, 0); if (rsc_info) { print_result("RSC_INFO: id:%s class:%s provider:%s type:%s", rsc_info->id, rsc_info->standard, (rsc_info->provider? rsc_info->provider : ""), rsc_info->type); lrmd_free_rsc_info(rsc_info); rc = pcmk_ok; } else { rc = -1; } } else if (pcmk__str_eq(options.api_call, "unregister_rsc", pcmk__str_casei)) { rc = lrmd_conn->cmds->unregister_rsc(lrmd_conn, options.rsc_id, 0); } else if (pcmk__str_eq(options.api_call, "cancel", pcmk__str_casei)) { rc = lrmd_conn->cmds->cancel(lrmd_conn, options.rsc_id, options.action, options.interval_ms); } else if (pcmk__str_eq(options.api_call, "metadata", pcmk__str_casei)) { char *output = NULL; rc = lrmd_conn->cmds->get_metadata(lrmd_conn, options.class, options.provider, options.type, &output, 0); if (rc == pcmk_ok) { print_result("%s", output); free(output); } } else if (pcmk__str_eq(options.api_call, "list_agents", pcmk__str_casei)) { lrmd_list_t *list = NULL; lrmd_list_t *iter = NULL; rc = lrmd_conn->cmds->list_agents(lrmd_conn, &list, options.class, options.provider); if (rc > 0) { print_result("%d agents found", rc); for (iter = list; iter != NULL; iter = iter->next) { print_result("%s", iter->val); } lrmd_list_freeall(list); rc = 0; } else { print_result("API_CALL FAILURE - no agents found"); rc = -1; } } else if (pcmk__str_eq(options.api_call, "list_ocf_providers", pcmk__str_casei)) { lrmd_list_t *list = NULL; lrmd_list_t *iter = NULL; rc = lrmd_conn->cmds->list_ocf_providers(lrmd_conn, options.type, &list); if (rc > 0) { print_result("%d providers found", rc); for (iter = list; iter != NULL; iter = iter->next) { print_result("%s", iter->val); } lrmd_list_freeall(list); rc = 0; } else { print_result("API_CALL FAILURE - no providers found"); rc = -1; } } else if (pcmk__str_eq(options.api_call, "list_standards", pcmk__str_casei)) { lrmd_list_t *list = NULL; lrmd_list_t *iter = NULL; rc = lrmd_conn->cmds->list_standards(lrmd_conn, &list); if (rc > 0) { print_result("%d standards found", rc); for (iter = list; iter != NULL; iter = iter->next) { print_result("%s", iter->val); } lrmd_list_freeall(list); rc = 0; } else { print_result("API_CALL FAILURE - no providers found"); rc = -1; } } else if (pcmk__str_eq(options.api_call, "get_recurring_ops", pcmk__str_casei)) { GList *op_list = NULL; GList *op_item = NULL; rc = lrmd_conn->cmds->get_recurring_ops(lrmd_conn, options.rsc_id, 0, 0, &op_list); for (op_item = op_list; op_item != NULL; op_item = op_item->next) { lrmd_op_info_t *op_info = op_item->data; print_result("RECURRING_OP: %s_%s_%s timeout=%sms", op_info->rsc_id, op_info->action, op_info->interval_ms_s, op_info->timeout_ms_s); lrmd_free_op_info(op_info); } g_list_free(op_list); } else if (options.api_call) { print_result("API-CALL FAILURE unknown action '%s'", options.action); test_exit(CRM_EX_ERROR); } if (rc < 0) { print_result("API-CALL FAILURE for '%s' api_rc:%d", options.api_call, rc); test_exit(CRM_EX_ERROR); } if (options.api_call && rc == pcmk_ok) { print_result("API-CALL SUCCESSFUL for '%s'", options.api_call); if (!options.listen) { test_exit(CRM_EX_OK); } } if (options.no_wait) { /* just make the call and exit regardless of anything else. */ test_exit(CRM_EX_OK); } return 0; } /*! * \internal * \brief Generate resource parameters from CIB if none explicitly given * * \return Standard Pacemaker return code */ static int generate_params(void) { int rc = pcmk_rc_ok; pcmk_scheduler_t *scheduler = NULL; xmlNode *cib_xml_copy = NULL; pcmk_resource_t *rsc = NULL; GHashTable *params = NULL; GHashTable *meta = NULL; GHashTableIter iter; char *key = NULL; char *value = NULL; if (options.params != NULL) { return pcmk_rc_ok; // User specified parameters explicitly } // Retrieve and update CIB rc = cib__signon_query(NULL, NULL, &cib_xml_copy); if (rc != pcmk_rc_ok) { return rc; } rc = pcmk_update_configured_schema(&cib_xml_copy, false); if (rc != pcmk_rc_ok) { return rc; } // Calculate cluster status scheduler = pe_new_working_set(); if (scheduler == NULL) { crm_crit("Could not allocate scheduler data"); return ENOMEM; } pcmk__set_scheduler_flags(scheduler, pcmk__sched_no_counts|pcmk__sched_no_compat); scheduler->input = cib_xml_copy; scheduler->priv->now = crm_time_new(NULL); cluster_status(scheduler); // Find resource in CIB - rsc = pe_find_resource_with_flags(scheduler->resources, options.rsc_id, + rsc = pe_find_resource_with_flags(scheduler->priv->resources, + options.rsc_id, pcmk_rsc_match_history |pcmk_rsc_match_basename); if (rsc == NULL) { crm_err("Resource does not exist in config"); pe_free_working_set(scheduler); return EINVAL; } // Add resource instance parameters to options.params params = pe_rsc_params(rsc, NULL, scheduler); if (params != NULL) { g_hash_table_iter_init(&iter, params); while (g_hash_table_iter_next(&iter, (gpointer *) &key, (gpointer *) &value)) { options.params = lrmd_key_value_add(options.params, key, value); } } // Add resource meta-attributes to options.params meta = pcmk__strkey_table(free, free); get_meta_attributes(meta, rsc, NULL, scheduler); g_hash_table_iter_init(&iter, meta); while (g_hash_table_iter_next(&iter, (gpointer *) &key, (gpointer *) &value)) { char *crm_name = crm_meta_name(key); options.params = lrmd_key_value_add(options.params, crm_name, value); free(crm_name); } g_hash_table_destroy(meta); pe_free_working_set(scheduler); return rc; } static GOptionContext * build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) { GOptionContext *context = NULL; context = pcmk__build_arg_context(args, NULL, group, NULL); pcmk__add_main_args(context, basic_entries); pcmk__add_arg_group(context, "api-call", "API Call Options:", "Parameters for api-call option", api_call_entries); return context; } int main(int argc, char **argv) { GError *error = NULL; crm_exit_t exit_code = CRM_EX_OK; crm_trigger_t *trig = NULL; pcmk__common_args_t *args = pcmk__new_common_args(SUMMARY); /* Typically we'd pass all the single character options that take an argument * as the second parameter here (and there's a bunch of those in this tool). * However, we control how this program is called so we can just not call it * in a way where the preprocessing ever matters. */ gchar **processed_args = pcmk__cmdline_preproc(argv, NULL); GOptionContext *context = build_arg_context(args, NULL); if (!g_option_context_parse_strv(context, &processed_args, &error)) { exit_code = CRM_EX_USAGE; goto done; } /* We have to use crm_log_init here to set up the logging because there's * different handling for daemons vs. command line programs, and * pcmk__cli_init_logging is set up to only handle the latter. */ crm_log_init(NULL, LOG_INFO, TRUE, (args->verbosity? TRUE : FALSE), argc, argv, FALSE); for (int i = 0; i < args->verbosity; i++) { crm_bump_log_level(argc, argv); } if (!options.listen && pcmk__strcase_any_of(options.api_call, "metadata", "list_agents", "list_standards", "list_ocf_providers", NULL)) { options.no_connect = TRUE; } if (options.is_running) { int rc = pcmk_rc_ok; if (options.rsc_id == NULL) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "--is-running requires --rsc-id"); goto done; } options.interval_ms = 0; if (options.timeout == 0) { options.timeout = 30000; } rc = generate_params(); if (rc != pcmk_rc_ok) { exit_code = pcmk_rc2exitc(rc); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "Can not determine resource status: " "unable to get parameters from CIB"); goto done; } options.api_call = "exec"; options.action = PCMK_ACTION_MONITOR; options.exec_call_opts = lrmd_opt_notify_orig_only; } if (!options.api_call && !options.listen) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "Must specify at least one of --api-call, --listen, " "or --is-running"); goto done; } if (options.use_tls) { lrmd_conn = lrmd_remote_api_new(NULL, "localhost", 0); } else { lrmd_conn = lrmd_api_new(); } trig = mainloop_add_trigger(G_PRIORITY_HIGH, start_test, NULL); mainloop_set_trigger(trig); mainloop_add_signal(SIGTERM, test_shutdown); crm_info("Starting"); mainloop = g_main_loop_new(NULL, FALSE); g_main_loop_run(mainloop); done: g_strfreev(processed_args); pcmk__free_arg_context(context); free(key); free(val); pcmk__output_and_clear_error(&error, NULL); return test_exit(exit_code); } diff --git a/daemons/fenced/fenced_scheduler.c b/daemons/fenced/fenced_scheduler.c index 3db105b660..b231b396e7 100644 --- a/daemons/fenced/fenced_scheduler.c +++ b/daemons/fenced/fenced_scheduler.c @@ -1,232 +1,233 @@ /* * Copyright 2009-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include static pcmk_scheduler_t *scheduler = NULL; /*! * \internal * \brief Initialize scheduler data for fencer purposes * * \return Standard Pacemaker return code */ int fenced_scheduler_init(void) { pcmk__output_t *logger = NULL; int rc = pcmk__log_output_new(&logger); if (rc != pcmk_rc_ok) { return rc; } scheduler = pe_new_working_set(); if (scheduler == NULL) { pcmk__output_free(logger); return ENOMEM; } pe__register_messages(logger); pcmk__register_lib_messages(logger); pcmk__output_set_log_level(logger, LOG_TRACE); scheduler->priv->out = logger; return pcmk_rc_ok; } /*! * \internal * \brief Free all scheduler-related resources */ void fenced_scheduler_cleanup(void) { if (scheduler != NULL) { pcmk__output_t *logger = scheduler->priv->out; if (logger != NULL) { logger->finish(logger, CRM_EX_OK, true, NULL); pcmk__output_free(logger); scheduler->priv->out = NULL; } pe_free_working_set(scheduler); scheduler = NULL; } } /*! * \internal * \brief Check whether the local node is in a resource's allowed node list * * \param[in] rsc Resource to check * * \return Pointer to node if found, otherwise NULL */ static pcmk_node_t * local_node_allowed_for(const pcmk_resource_t *rsc) { if ((rsc != NULL) && (stonith_our_uname != NULL)) { GHashTableIter iter; pcmk_node_t *node = NULL; g_hash_table_iter_init(&iter, rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) { if (pcmk__str_eq(node->priv->name, stonith_our_uname, pcmk__str_casei)) { return node; } } } return NULL; } /*! * \internal * \brief If a given resource or any of its children are fencing devices, * register the devices * * \param[in,out] data Resource to check * \param[in,out] user_data Ignored */ static void register_if_fencing_device(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; const char *rsc_id = pcmk__s(rsc->priv->history_id, rsc->id); xmlNode *xml = NULL; GHashTableIter hash_iter; pcmk_node_t *node = NULL; const char *name = NULL; const char *value = NULL; const char *rclass = NULL; const char *agent = NULL; const char *rsc_provides = NULL; stonith_key_value_t *params = NULL; // If this is a collective resource, check children instead if (rsc->priv->children != NULL) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { register_if_fencing_device(iter->data, NULL); if (pcmk__is_clone(rsc)) { return; // Only one instance needs to be checked for clones } } return; } rclass = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS); if (!pcmk__str_eq(rclass, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) { return; // Not a fencing device } if (pe__resource_is_disabled(rsc)) { crm_info("Ignoring fencing device %s because it is disabled", rsc->id); return; } if ((stonith_watchdog_timeout_ms <= 0) && pcmk__str_eq(rsc->id, STONITH_WATCHDOG_ID, pcmk__str_none)) { crm_info("Ignoring fencing device %s " "because watchdog fencing is disabled", rsc->id); return; } // Check whether local node is allowed to run resource node = local_node_allowed_for(rsc); if (node == NULL) { crm_info("Ignoring fencing device %s " "because local node is not allowed to run it", rsc->id); return; } if (node->assign->score < 0) { crm_info("Ignoring fencing device %s " "because local node has preference %s for it", rsc->id, pcmk_readable_score(node->assign->score)); return; } // If device is in a group, check whether local node is allowed for group if (pcmk__is_group(rsc->priv->parent)) { pcmk_node_t *group_node = local_node_allowed_for(rsc->priv->parent); if ((group_node != NULL) && (group_node->assign->score < 0)) { crm_info("Ignoring fencing device %s " "because local node has preference %s for its group", rsc->id, pcmk_readable_score(group_node->assign->score)); return; } } crm_debug("Reloading configuration of fencing device %s", rsc->id); agent = crm_element_value(rsc->priv->xml, PCMK_XA_TYPE); /* @COMPAT Support for node attribute expressions in rules for resource * meta-attributes is deprecated. When we can break behavioral backward * compatibility, replace node with NULL here. */ get_meta_attributes(rsc->priv->meta, rsc, node, scheduler); rsc_provides = g_hash_table_lookup(rsc->priv->meta, PCMK_STONITH_PROVIDES); g_hash_table_iter_init(&hash_iter, pe_rsc_params(rsc, node, scheduler)); while (g_hash_table_iter_next(&hash_iter, (gpointer *) &name, (gpointer *) &value)) { if ((name == NULL) || (value == NULL)) { continue; } params = stonith_key_value_add(params, name, value); } xml = create_device_registration_xml(rsc_id, st_namespace_any, agent, params, rsc_provides); stonith_key_value_freeall(params, 1, 1); CRM_ASSERT(stonith_device_register(xml, TRUE) == pcmk_ok); pcmk__xml_free(xml); } /*! * \internal * \brief Run the scheduler for fencer purposes * * \param[in] cib Cluster's current CIB */ void fenced_scheduler_run(xmlNode *cib) { CRM_CHECK((cib != NULL) && (scheduler != NULL), return); if (scheduler->priv->now != NULL) { crm_time_free(scheduler->priv->now); scheduler->priv->now = NULL; } scheduler->localhost = stonith_our_uname; pcmk__schedule_actions(cib, pcmk__sched_location_only |pcmk__sched_no_compat |pcmk__sched_no_counts, scheduler); - g_list_foreach(scheduler->resources, register_if_fencing_device, NULL); + g_list_foreach(scheduler->priv->resources, register_if_fencing_device, + NULL); scheduler->input = NULL; // Wasn't a copy, so don't let API free it pe_reset_working_set(scheduler); } diff --git a/include/crm/common/scheduler.h b/include/crm/common/scheduler.h index f3fcfa97a4..434e382f40 100644 --- a/include/crm/common/scheduler.h +++ b/include/crm/common/scheduler.h @@ -1,152 +1,151 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #ifndef PCMK__CRM_COMMON_SCHEDULER__H #define PCMK__CRM_COMMON_SCHEDULER__H #include // time_t #include // xmlNode #include // guint, GList, GHashTable #include // crm_time_t #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif /*! * \file * \brief Scheduler API * \ingroup core */ // NOTE: sbd (as of at least 1.5.2) uses this enum //! Possible responses to loss of quorum enum pe_quorum_policy { pcmk_no_quorum_freeze, //!< Do not recover resources from outside partition pcmk_no_quorum_stop, //!< Stop all resources in partition pcmk_no_quorum_ignore, //!< Act as if partition still holds quorum pcmk_no_quorum_fence, //!< Fence all nodes in partition pcmk_no_quorum_demote, //!< Demote promotable resources and stop all others #if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1) // NOTE: sbd (as of at least 1.5.2) uses this value //! \deprecated Use pcmk_no_quorum_freeze instead no_quorum_freeze = pcmk_no_quorum_freeze, // NOTE: sbd (as of at least 1.5.2) uses this value //! \deprecated Use pcmk_no_quorum_stop instead no_quorum_stop = pcmk_no_quorum_stop, // NOTE: sbd (as of at least 1.5.2) uses this value //! \deprecated Use pcmk_no_quorum_ignore instead no_quorum_ignore = pcmk_no_quorum_ignore, //! \deprecated Use pcmk_no_quorum_fence instead no_quorum_suicide = pcmk_no_quorum_fence, // NOTE: sbd (as of at least 1.5.2) uses this value //! \deprecated Use pcmk_no_quorum_demote instead no_quorum_demote = pcmk_no_quorum_demote, #endif }; //! \internal Do not use typedef struct pcmk__scheduler_private pcmk__scheduler_private_t; /* Implementation of pcmk_scheduler_t * * @COMPAT Drop this struct once all members are moved to * pcmk__scheduler_private_t, and repoint pcmk_scheduler_t to that */ //!@{ //! \deprecated Do not use (public access will be removed in a future release) struct pcmk__scheduler { // Be careful about when each piece of information is available and final // NOTE: sbd (as of at least 1.5.2) uses this //! \deprecated Set scheduler input with pcmk_set_scheduler_cib() instead xmlNode *input; // CIB XML // NOTE: sbd (as of at least 1.5.2) uses this //! \deprecated Call pcmk_get_dc() instead pcmk_node_t *dc_node; // Node object for DC // NOTE: sbd (as of at least 1.5.2) uses this // @COMPAT Change to uint64_t at a compatibility break //! \deprecated Call pcmk_has_quorum() to check quorum unsigned long long flags; // Group of enum pcmk__scheduler_flags // NOTE: sbd (as of at least 1.5.2) uses this //! \deprecated Call pcmk_get_no_quorum_policy() to get no-quorum policy enum pe_quorum_policy no_quorum_policy; // Response to loss of quorum // NOTE: sbd (as of at least 1.5.2) uses this //! \deprecated Call pcmk_find_node() to find a node instead GList *nodes; // Nodes in cluster - GList *resources; // Resources in cluster GList *placement_constraints; // Location constraints GList *ordering_constraints; // Ordering constraints GList *colocation_constraints; // Colocation constraints // Ticket constraints unpacked by libpacemaker GList *ticket_constraints; xmlNode *failed; // History entries of failed actions xmlNode *op_defaults; // Configured operation defaults xmlNode *rsc_defaults; // Configured resource defaults int num_synapse; // Number of transition graph synapses int max_valid_nodes; // \deprecated Do not use int order_id; // ID to use for next created ordering int action_id; // ID to use for next created action xmlNode *graph; // Transition graph GHashTable *template_rsc_sets; // Mappings of template ID to resource ID // @COMPAT Replace this with a fencer variable (only place it's used) const char *localhost; // \deprecated Do not use GHashTable *tags; // Configuration tags (ID -> pcmk__idref_t*) int blocked_resources; // Number of blocked resources in cluster int disabled_resources; // Number of disabled resources in cluster GList *param_check; // History entries that need to be checked GList *stop_needed; // Containers that need stop actions time_t recheck_by; // Hint to controller when to reschedule int ninstances; // Total number of resource instances guint shutdown_lock; // How long to lock resources (seconds) int priority_fencing_delay; // Priority fencing delay pcmk__scheduler_private_t *priv; // For Pacemaker use only guint node_pending_timeout; // Pending join times out after this (ms) }; //!@} pcmk_node_t *pcmk_get_dc(const pcmk_scheduler_t *scheduler); enum pe_quorum_policy pcmk_get_no_quorum_policy(const pcmk_scheduler_t *scheduler); int pcmk_set_scheduler_cib(pcmk_scheduler_t *scheduler, xmlNode *cib); bool pcmk_has_quorum(const pcmk_scheduler_t *scheduler); pcmk_node_t *pcmk_find_node(const pcmk_scheduler_t *scheduler, const char *node_name); #ifdef __cplusplus } #endif #endif // PCMK__CRM_COMMON_SCHEDULER__H diff --git a/include/crm/common/scheduler_internal.h b/include/crm/common/scheduler_internal.h index b6e35cdb7a..6969c3b5e1 100644 --- a/include/crm/common/scheduler_internal.h +++ b/include/crm/common/scheduler_internal.h @@ -1,272 +1,273 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #ifndef PCMK__CRM_COMMON_SCHEDULER_INTERNAL__H #define PCMK__CRM_COMMON_SCHEDULER_INTERNAL__H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif enum pcmk__check_parameters { /* Clear fail count if parameters changed for un-expired start or monitor * last_failure. */ pcmk__check_last_failure, /* Clear fail count if parameters changed for start, monitor, promote, or * migrate_from actions for active resources. */ pcmk__check_active, }; // Scheduling options and conditions enum pcmk__scheduler_flags { // No scheduler flags set (compare with equality rather than bit set) pcmk__sched_none = 0ULL, /* These flags are dynamically determined conditions */ // Whether partition has quorum (via \c PCMK_XA_HAVE_QUORUM attribute) //! \deprecated Call pcmk_has_quorum() to check quorum instead pcmk__sched_quorate = (1ULL << 0), // Whether cluster is symmetric (via symmetric-cluster property) pcmk__sched_symmetric_cluster = (1ULL << 1), // Whether scheduling encountered a non-configuration error pcmk__sched_processing_error = (1ULL << 2), // Whether cluster is in maintenance mode (via maintenance-mode property) pcmk__sched_in_maintenance = (1ULL << 3), // Whether fencing is enabled (via stonith-enabled property) pcmk__sched_fencing_enabled = (1ULL << 4), // Whether cluster has a fencing resource (via CIB resources) /*! \deprecated To indicate the cluster has a fencing resource, add either a * fencing resource configuration or the have-watchdog cluster option to the * input CIB */ pcmk__sched_have_fencing = (1ULL << 5), // Whether any resource provides or requires unfencing (via CIB resources) pcmk__sched_enable_unfencing = (1ULL << 6), // Whether concurrent fencing is allowed (via concurrent-fencing property) pcmk__sched_concurrent_fencing = (1ULL << 7), /* * Whether resources removed from the configuration should be stopped (via * stop-orphan-resources property) */ pcmk__sched_stop_removed_resources = (1ULL << 8), /* * Whether recurring actions removed from the configuration should be * cancelled (via stop-orphan-actions property) */ pcmk__sched_cancel_removed_actions = (1ULL << 9), // Whether to stop all resources (via stop-all-resources property) pcmk__sched_stop_all = (1ULL << 10), // Whether scheduler processing encountered a warning pcmk__sched_processing_warning = (1ULL << 11), /* * Whether start failure should be treated as if * \c PCMK_META_MIGRATION_THRESHOLD is 1 (via * \c PCMK_OPT_START_FAILURE_IS_FATAL property) */ pcmk__sched_start_failure_fatal = (1ULL << 12), // Unused pcmk__sched_remove_after_stop = (1ULL << 13), // Whether unseen nodes should be fenced (via startup-fencing property) pcmk__sched_startup_fencing = (1ULL << 14), /* * Whether resources should be left stopped when their node shuts down * cleanly (via shutdown-lock property) */ pcmk__sched_shutdown_lock = (1ULL << 15), /* * Whether resources' current state should be probed (when unknown) before * scheduling any other actions (via the enable-startup-probes property) */ pcmk__sched_probe_resources = (1ULL << 16), // Whether the CIB status section has been parsed yet pcmk__sched_have_status = (1ULL << 17), // Whether the cluster includes any Pacemaker Remote nodes (via CIB) pcmk__sched_have_remote_nodes = (1ULL << 18), /* The remaining flags are scheduling options that must be set explicitly */ /* * Whether to skip unpacking the CIB status section and stop the scheduling * sequence after applying node-specific location criteria (skipping * assignment, ordering, actions, etc.). */ pcmk__sched_location_only = (1ULL << 20), // Whether sensitive resource attributes have been masked pcmk__sched_sanitized = (1ULL << 21), // Skip counting of total, disabled, and blocked resource instances pcmk__sched_no_counts = (1ULL << 23), /* * Skip deprecated code kept solely for backward API compatibility * (internal code should always set this) */ pcmk__sched_no_compat = (1ULL << 24), // Whether node scores should be output instead of logged pcmk__sched_output_scores = (1ULL << 25), // Whether to show node and resource utilization (in log or output) pcmk__sched_show_utilization = (1ULL << 26), /* * Whether to stop the scheduling sequence after unpacking the CIB, * calculating cluster status, and applying node health (skipping * applying node-specific location criteria, assignment, etc.) */ pcmk__sched_validate_only = (1ULL << 27), }; // Implementation of pcmk__scheduler_private_t struct pcmk__scheduler_private { // Be careful about when each piece of information is available and final crm_time_t *now; // Time to use when evaluating rules pcmk__output_t *out; // Output object for displaying messages GHashTable *options; // Cluster options const char *fence_action; // Default fencing action int fence_timeout_ms; // Value of stonith-timeout property in ms const char *placement_strategy; // Value of placement-strategy property + GList *resources; // Resources in cluster GList *actions; // All scheduled actions GHashTable *singletons; // Scheduled non-resource actions GHashTable *ticket_constraints; // Key = ticket ID, value = pcmk__ticket_t }; // Group of enum pcmk__warnings flags for warnings we want to log once extern uint32_t pcmk__warnings; /*! * \internal * \brief Log a resource-tagged message at info severity * * \param[in] rsc Tag message with this resource's ID * \param[in] fmt... printf(3)-style format and arguments */ #define pcmk__rsc_info(rsc, fmt, args...) \ crm_log_tag(LOG_INFO, ((rsc) == NULL)? "" : (rsc)->id, (fmt), ##args) /*! * \internal * \brief Log a resource-tagged message at debug severity * * \param[in] rsc Tag message with this resource's ID * \param[in] fmt... printf(3)-style format and arguments */ #define pcmk__rsc_debug(rsc, fmt, args...) \ crm_log_tag(LOG_DEBUG, ((rsc) == NULL)? "" : (rsc)->id, (fmt), ##args) /*! * \internal * \brief Log a resource-tagged message at trace severity * * \param[in] rsc Tag message with this resource's ID * \param[in] fmt... printf(3)-style format and arguments */ #define pcmk__rsc_trace(rsc, fmt, args...) \ crm_log_tag(LOG_TRACE, ((rsc) == NULL)? "" : (rsc)->id, (fmt), ##args) /*! * \internal * \brief Log an error and remember that current scheduler input has errors * * \param[in,out] scheduler Scheduler data * \param[in] fmt... printf(3)-style format and arguments */ #define pcmk__sched_err(scheduler, fmt...) do { \ pcmk__set_scheduler_flags((scheduler), \ pcmk__sched_processing_error); \ crm_err(fmt); \ } while (0) /*! * \internal * \brief Log a warning and remember that current scheduler input has warnings * * \param[in,out] scheduler Scheduler data * \param[in] fmt... printf(3)-style format and arguments */ #define pcmk__sched_warn(scheduler, fmt...) do { \ pcmk__set_scheduler_flags((scheduler), \ pcmk__sched_processing_warning); \ crm_warn(fmt); \ } while (0) /*! * \internal * \brief Set scheduler flags * * \param[in,out] scheduler Scheduler data * \param[in] flags_to_set Group of enum pcmk__scheduler_flags to set */ #define pcmk__set_scheduler_flags(scheduler, flags_to_set) do { \ (scheduler)->flags = pcmk__set_flags_as(__func__, __LINE__, \ LOG_TRACE, "Scheduler", crm_system_name, \ (scheduler)->flags, (flags_to_set), #flags_to_set); \ } while (0) /*! * \internal * \brief Clear scheduler flags * * \param[in,out] scheduler Scheduler data * \param[in] flags_to_clear Group of enum pcmk__scheduler_flags to clear */ #define pcmk__clear_scheduler_flags(scheduler, flags_to_clear) do { \ (scheduler)->flags = pcmk__clear_flags_as(__func__, __LINE__, \ LOG_TRACE, "Scheduler", crm_system_name, \ (scheduler)->flags, (flags_to_clear), #flags_to_clear); \ } while (0) #ifdef __cplusplus } #endif #endif // PCMK__CRM_COMMON_SCHEDULER_INTERNAL__H diff --git a/lib/pacemaker/pcmk_graph_producer.c b/lib/pacemaker/pcmk_graph_producer.c index 6b6535f118..7405dbebad 100644 --- a/lib/pacemaker/pcmk_graph_producer.c +++ b/lib/pacemaker/pcmk_graph_producer.c @@ -1,1112 +1,1112 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include "libpacemaker_private.h" // Convenience macros for logging action properties #define action_type_str(flags) \ (pcmk_is_set((flags), pcmk__action_pseudo)? "pseudo-action" : "action") #define action_optional_str(flags) \ (pcmk_is_set((flags), pcmk__action_optional)? "optional" : "required") #define action_runnable_str(flags) \ (pcmk_is_set((flags), pcmk__action_runnable)? "runnable" : "unrunnable") #define action_node_str(a) \ (((a)->node == NULL)? "no node" : (a)->node->priv->name) /*! * \internal * \brief Add an XML node tag for a specified ID * * \param[in] id Node UUID to add * \param[in,out] xml Parent XML tag to add to */ static xmlNode* add_node_to_xml_by_id(const char *id, xmlNode *xml) { xmlNode *node_xml; node_xml = pcmk__xe_create(xml, PCMK_XE_NODE); crm_xml_add(node_xml, PCMK_XA_ID, id); return node_xml; } /*! * \internal * \brief Add an XML node tag for a specified node * * \param[in] node Node to add * \param[in,out] xml XML to add node to */ static void add_node_to_xml(const pcmk_node_t *node, void *xml) { add_node_to_xml_by_id(node->priv->id, (xmlNode *) xml); } /*! * \internal * \brief Count (optionally add to XML) nodes needing maintenance state update * * \param[in,out] xml Parent XML tag to add to, if any * \param[in] scheduler Scheduler data * * \return Count of nodes added * \note Only Pacemaker Remote nodes are considered currently */ static int add_maintenance_nodes(xmlNode *xml, const pcmk_scheduler_t *scheduler) { xmlNode *maintenance = NULL; int count = 0; if (xml != NULL) { maintenance = pcmk__xe_create(xml, PCMK__XE_MAINTENANCE); } for (const GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) { const pcmk_node_t *node = iter->data; if (!pcmk__is_pacemaker_remote_node(node)) { continue; } if ((node->details->maintenance && !pcmk_is_set(node->priv->flags, pcmk__node_remote_maint)) || (!node->details->maintenance && pcmk_is_set(node->priv->flags, pcmk__node_remote_maint))) { if (maintenance != NULL) { crm_xml_add(add_node_to_xml_by_id(node->priv->id, maintenance), PCMK__XA_NODE_IN_MAINTENANCE, (node->details->maintenance? "1" : "0")); } count++; } } crm_trace("%s %d nodes in need of maintenance mode update in state", ((maintenance == NULL)? "Counted" : "Added"), count); return count; } /*! * \internal * \brief Add pseudo action with nodes needing maintenance state update * * \param[in,out] scheduler Scheduler data */ static void add_maintenance_update(pcmk_scheduler_t *scheduler) { pcmk_action_t *action = NULL; if (add_maintenance_nodes(NULL, scheduler) != 0) { action = get_pseudo_op(PCMK_ACTION_MAINTENANCE_NODES, scheduler); pcmk__set_action_flags(action, pcmk__action_always_in_graph); } } /*! * \internal * \brief Add XML with nodes that an action is expected to bring down * * If a specified action is expected to bring any nodes down, add an XML block * with their UUIDs. When a node is lost, this allows the controller to * determine whether it was expected. * * \param[in,out] xml Parent XML tag to add to * \param[in] action Action to check for downed nodes */ static void add_downed_nodes(xmlNode *xml, const pcmk_action_t *action) { CRM_CHECK((xml != NULL) && (action != NULL) && (action->node != NULL), return); if (pcmk__str_eq(action->task, PCMK_ACTION_DO_SHUTDOWN, pcmk__str_none)) { /* Shutdown makes the action's node down */ xmlNode *downed = pcmk__xe_create(xml, PCMK__XE_DOWNED); add_node_to_xml_by_id(action->node->priv->id, downed); } else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none)) { /* Fencing makes the action's node and any hosted guest nodes down */ const char *fence = g_hash_table_lookup(action->meta, PCMK__META_STONITH_ACTION); if (pcmk__is_fencing_action(fence)) { xmlNode *downed = pcmk__xe_create(xml, PCMK__XE_DOWNED); add_node_to_xml_by_id(action->node->priv->id, downed); pe_foreach_guest_node(action->node->priv->scheduler, action->node, add_node_to_xml, downed); } } else if ((action->rsc != NULL) && pcmk_is_set(action->rsc->flags, pcmk__rsc_is_remote_connection) && pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_none)) { /* Stopping a remote connection resource makes connected node down, * unless it's part of a migration */ GList *iter; pcmk_action_t *input; bool migrating = false; for (iter = action->actions_before; iter != NULL; iter = iter->next) { input = ((pcmk__related_action_t *) iter->data)->action; if ((input->rsc != NULL) && pcmk__str_eq(action->rsc->id, input->rsc->id, pcmk__str_none) && pcmk__str_eq(input->task, PCMK_ACTION_MIGRATE_FROM, pcmk__str_none)) { migrating = true; break; } } if (!migrating) { xmlNode *downed = pcmk__xe_create(xml, PCMK__XE_DOWNED); add_node_to_xml_by_id(action->rsc->id, downed); } } } /*! * \internal * \brief Create a transition graph operation key for a clone action * * \param[in] action Clone action * \param[in] interval_ms Action interval in milliseconds * * \return Newly allocated string with transition graph operation key */ static char * clone_op_key(const pcmk_action_t *action, guint interval_ms) { if (pcmk__str_eq(action->task, PCMK_ACTION_NOTIFY, pcmk__str_none)) { const char *n_type = g_hash_table_lookup(action->meta, "notify_type"); const char *n_task = g_hash_table_lookup(action->meta, "notify_operation"); return pcmk__notify_key(action->rsc->priv->history_id, n_type, n_task); } return pcmk__op_key(action->rsc->priv->history_id, pcmk__s(action->cancel_task, action->task), interval_ms); } /*! * \internal * \brief Add node details to transition graph action XML * * \param[in] action Scheduled action * \param[in,out] xml Transition graph action XML for \p action */ static void add_node_details(const pcmk_action_t *action, xmlNode *xml) { pcmk_node_t *router_node = pcmk__connection_host_for_action(action); crm_xml_add(xml, PCMK__META_ON_NODE, action->node->priv->name); crm_xml_add(xml, PCMK__META_ON_NODE_UUID, action->node->priv->id); if (router_node != NULL) { crm_xml_add(xml, PCMK__XA_ROUTER_NODE, router_node->priv->name); } } /*! * \internal * \brief Add resource details to transition graph action XML * * \param[in] action Scheduled action * \param[in,out] action_xml Transition graph action XML for \p action */ static void add_resource_details(const pcmk_action_t *action, xmlNode *action_xml) { xmlNode *rsc_xml = NULL; const char *attr_list[] = { PCMK_XA_CLASS, PCMK_XA_PROVIDER, PCMK_XA_TYPE, }; /* If a resource is locked to a node via PCMK_OPT_SHUTDOWN_LOCK, mark its * actions so the controller can preserve the lock when the action * completes. */ if (pcmk__action_locks_rsc_to_node(action)) { crm_xml_add_ll(action_xml, PCMK_OPT_SHUTDOWN_LOCK, (long long) action->rsc->priv->lock_time); } // List affected resource rsc_xml = pcmk__xe_create(action_xml, (const char *) action->rsc->priv->xml->name); if (pcmk_is_set(action->rsc->flags, pcmk__rsc_removed) && (action->rsc->priv->history_id != NULL)) { /* Use the numbered instance name here, because if there is more * than one instance on a node, we need to make sure the command * goes to the right one. * * This is important even for anonymous clones, because the clone's * unique meta-attribute might have just been toggled from on to * off. */ crm_debug("Using orphan clone name %s instead of history ID %s", action->rsc->id, action->rsc->priv->history_id); crm_xml_add(rsc_xml, PCMK_XA_ID, action->rsc->priv->history_id); crm_xml_add(rsc_xml, PCMK__XA_LONG_ID, action->rsc->id); } else if (!pcmk_is_set(action->rsc->flags, pcmk__rsc_unique)) { const char *xml_id = pcmk__xe_id(action->rsc->priv->xml); crm_debug("Using anonymous clone name %s for %s (aka %s)", xml_id, action->rsc->id, action->rsc->priv->history_id); /* ID is what we'd like client to use * LONG_ID is what they might know it as instead * * LONG_ID is only strictly needed /here/ during the * transition period until all nodes in the cluster * are running the new software /and/ have rebooted * once (meaning that they've only ever spoken to a DC * supporting this feature). * * If anyone toggles the unique flag to 'on', the * 'instance free' name will correspond to an orphan * and fall into the clause above instead */ crm_xml_add(rsc_xml, PCMK_XA_ID, xml_id); if ((action->rsc->priv->history_id != NULL) && !pcmk__str_eq(xml_id, action->rsc->priv->history_id, pcmk__str_none)) { crm_xml_add(rsc_xml, PCMK__XA_LONG_ID, action->rsc->priv->history_id); } else { crm_xml_add(rsc_xml, PCMK__XA_LONG_ID, action->rsc->id); } } else { CRM_ASSERT(action->rsc->priv->history_id == NULL); crm_xml_add(rsc_xml, PCMK_XA_ID, action->rsc->id); } for (int lpc = 0; lpc < PCMK__NELEM(attr_list); lpc++) { crm_xml_add(rsc_xml, attr_list[lpc], g_hash_table_lookup(action->rsc->priv->meta, attr_list[lpc])); } } /*! * \internal * \brief Add action attributes to transition graph action XML * * \param[in,out] action Scheduled action * \param[in,out] action_xml Transition graph action XML for \p action */ static void add_action_attributes(pcmk_action_t *action, xmlNode *action_xml) { xmlNode *args_xml = NULL; pcmk_resource_t *rsc = action->rsc; /* We create free-standing XML to start, so we can sort the attributes * before adding it to action_xml, which keeps the scheduler regression * test graphs comparable. */ args_xml = pcmk__xe_create(action_xml, PCMK__XE_ATTRIBUTES); crm_xml_add(args_xml, PCMK_XA_CRM_FEATURE_SET, CRM_FEATURE_SET); g_hash_table_foreach(action->extra, hash2field, args_xml); if ((rsc != NULL) && (action->node != NULL)) { // Get the resource instance attributes, evaluated properly for node GHashTable *params = pe_rsc_params(rsc, action->node, rsc->priv->scheduler); pcmk__substitute_remote_addr(rsc, params); g_hash_table_foreach(params, hash2smartfield, args_xml); } else if ((rsc != NULL) && (rsc->priv->variant <= pcmk__rsc_variant_primitive)) { GHashTable *params = pe_rsc_params(rsc, NULL, rsc->priv->scheduler); g_hash_table_foreach(params, hash2smartfield, args_xml); } g_hash_table_foreach(action->meta, hash2metafield, args_xml); if (rsc != NULL) { pcmk_resource_t *parent = rsc; while (parent != NULL) { parent->priv->cmds->add_graph_meta(parent, args_xml); parent = parent->priv->parent; } pcmk__add_guest_meta_to_xml(args_xml, action); } else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none) && (action->node != NULL)) { /* Pass the node's attributes as meta-attributes. * * @TODO: Determine whether it is still necessary to do this. It was * added in 33d99707, probably for the libfence-based implementation in * c9a90bd, which is no longer used. */ g_hash_table_foreach(action->node->priv->attrs, hash2metafield, args_xml); } pcmk__xe_sort_attrs(args_xml); } /*! * \internal * \brief Create the transition graph XML for a scheduled action * * \param[in,out] parent Parent XML element to add action to * \param[in,out] action Scheduled action * \param[in] skip_details If false, add action details as sub-elements * \param[in] scheduler Scheduler data */ static void create_graph_action(xmlNode *parent, pcmk_action_t *action, bool skip_details, const pcmk_scheduler_t *scheduler) { bool needs_node_info = true; bool needs_maintenance_info = false; xmlNode *action_xml = NULL; if ((action == NULL) || (scheduler == NULL)) { return; } // Create the top-level element based on task if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none)) { /* All fences need node info; guest node fences are pseudo-events */ if (pcmk_is_set(action->flags, pcmk__action_pseudo)) { action_xml = pcmk__xe_create(parent, PCMK__XE_PSEUDO_EVENT); } else { action_xml = pcmk__xe_create(parent, PCMK__XE_CRM_EVENT); } } else if (pcmk__str_any_of(action->task, PCMK_ACTION_DO_SHUTDOWN, PCMK_ACTION_CLEAR_FAILCOUNT, NULL)) { action_xml = pcmk__xe_create(parent, PCMK__XE_CRM_EVENT); } else if (pcmk__str_eq(action->task, PCMK_ACTION_LRM_DELETE, pcmk__str_none)) { // CIB-only clean-up for shutdown locks action_xml = pcmk__xe_create(parent, PCMK__XE_CRM_EVENT); crm_xml_add(action_xml, PCMK__XA_MODE, PCMK__VALUE_CIB); } else if (pcmk_is_set(action->flags, pcmk__action_pseudo)) { if (pcmk__str_eq(action->task, PCMK_ACTION_MAINTENANCE_NODES, pcmk__str_none)) { needs_maintenance_info = true; } action_xml = pcmk__xe_create(parent, PCMK__XE_PSEUDO_EVENT); needs_node_info = false; } else { action_xml = pcmk__xe_create(parent, PCMK__XE_RSC_OP); } crm_xml_add_int(action_xml, PCMK_XA_ID, action->id); crm_xml_add(action_xml, PCMK_XA_OPERATION, action->task); if ((action->rsc != NULL) && (action->rsc->priv->history_id != NULL)) { char *clone_key = NULL; guint interval_ms; if (pcmk__guint_from_hash(action->meta, PCMK_META_INTERVAL, 0, &interval_ms) != pcmk_rc_ok) { interval_ms = 0; } clone_key = clone_op_key(action, interval_ms); crm_xml_add(action_xml, PCMK__XA_OPERATION_KEY, clone_key); crm_xml_add(action_xml, "internal_" PCMK__XA_OPERATION_KEY, action->uuid); free(clone_key); } else { crm_xml_add(action_xml, PCMK__XA_OPERATION_KEY, action->uuid); } if (needs_node_info && (action->node != NULL)) { add_node_details(action, action_xml); pcmk__insert_dup(action->meta, PCMK__META_ON_NODE, action->node->priv->name); pcmk__insert_dup(action->meta, PCMK__META_ON_NODE_UUID, action->node->priv->id); } if (skip_details) { return; } if ((action->rsc != NULL) && !pcmk_is_set(action->flags, pcmk__action_pseudo)) { // This is a real resource action, so add resource details add_resource_details(action, action_xml); } /* List any attributes in effect */ add_action_attributes(action, action_xml); /* List any nodes this action is expected to make down */ if (needs_node_info && (action->node != NULL)) { add_downed_nodes(action_xml, action); } if (needs_maintenance_info) { add_maintenance_nodes(action_xml, scheduler); } } /*! * \internal * \brief Check whether an action should be added to the transition graph * * \param[in,out] action Action to check * * \return true if action should be added to graph, otherwise false */ static bool should_add_action_to_graph(pcmk_action_t *action) { if (!pcmk_is_set(action->flags, pcmk__action_runnable)) { crm_trace("Ignoring action %s (%d): unrunnable", action->uuid, action->id); return false; } if (pcmk_is_set(action->flags, pcmk__action_optional) && !pcmk_is_set(action->flags, pcmk__action_always_in_graph)) { crm_trace("Ignoring action %s (%d): optional", action->uuid, action->id); return false; } /* Actions for unmanaged resources should be excluded from the graph, * with the exception of monitors and cancellation of recurring monitors. */ if ((action->rsc != NULL) && !pcmk_is_set(action->rsc->flags, pcmk__rsc_managed) && !pcmk__str_eq(action->task, PCMK_ACTION_MONITOR, pcmk__str_none)) { const char *interval_ms_s; /* A cancellation of a recurring monitor will get here because the task * is cancel rather than monitor, but the interval can still be used to * recognize it. The interval has been normalized to milliseconds by * this point, so a string comparison is sufficient. */ interval_ms_s = g_hash_table_lookup(action->meta, PCMK_META_INTERVAL); if (pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches)) { crm_trace("Ignoring action %s (%d): for unmanaged resource (%s)", action->uuid, action->id, action->rsc->id); return false; } } /* Always add pseudo-actions, fence actions, and shutdown actions (already * determined to be required and runnable by this point) */ if (pcmk_is_set(action->flags, pcmk__action_pseudo) || pcmk__strcase_any_of(action->task, PCMK_ACTION_STONITH, PCMK_ACTION_DO_SHUTDOWN, NULL)) { return true; } if (action->node == NULL) { pcmk__sched_err(action->scheduler, "Skipping action %s (%d) " "because it was not assigned to a node (bug?)", action->uuid, action->id); pcmk__log_action("Unassigned", action, false); return false; } if (pcmk_is_set(action->flags, pcmk__action_on_dc)) { crm_trace("Action %s (%d) should be dumped: " "can run on DC instead of %s", action->uuid, action->id, pcmk__node_name(action->node)); } else if (pcmk__is_guest_or_bundle_node(action->node) && !pcmk_is_set(action->node->priv->flags, pcmk__node_remote_reset)) { crm_trace("Action %s (%d) should be dumped: " "assuming will be runnable on guest %s", action->uuid, action->id, pcmk__node_name(action->node)); } else if (!action->node->details->online) { pcmk__sched_err(action->scheduler, "Skipping action %s (%d) " "because it was scheduled for offline node (bug?)", action->uuid, action->id); pcmk__log_action("Offline node", action, false); return false; } else if (action->node->details->unclean) { pcmk__sched_err(action->scheduler, "Skipping action %s (%d) " "because it was scheduled for unclean node (bug?)", action->uuid, action->id); pcmk__log_action("Unclean node", action, false); return false; } return true; } /*! * \internal * \brief Check whether an ordering's flags can change an action * * \param[in] ordering Ordering to check * * \return true if ordering has flags that can change an action, false otherwise */ static bool ordering_can_change_actions(const pcmk__related_action_t *ordering) { return pcmk_any_flags_set(ordering->flags, ~(pcmk__ar_then_implies_first_graphed |pcmk__ar_first_implies_then_graphed |pcmk__ar_ordered)); } /*! * \internal * \brief Check whether an action input should be in the transition graph * * \param[in] action Action to check * \param[in,out] input Action input to check * * \return true if input should be in graph, false otherwise * \note This function may not only check an input, but disable it under certian * circumstances (load or anti-colocation orderings that are not needed). */ static bool should_add_input_to_graph(const pcmk_action_t *action, pcmk__related_action_t *input) { if (input->graphed) { return true; } if (input->flags == pcmk__ar_none) { crm_trace("Ignoring %s (%d) input %s (%d): " "ordering disabled", action->uuid, action->id, input->action->uuid, input->action->id); return false; } else if (!pcmk_is_set(input->action->flags, pcmk__action_runnable) && !ordering_can_change_actions(input)) { crm_trace("Ignoring %s (%d) input %s (%d): " "optional and input unrunnable", action->uuid, action->id, input->action->uuid, input->action->id); return false; } else if (!pcmk_is_set(input->action->flags, pcmk__action_runnable) && pcmk_is_set(input->flags, pcmk__ar_min_runnable)) { crm_trace("Ignoring %s (%d) input %s (%d): " "minimum number of instances required but input unrunnable", action->uuid, action->id, input->action->uuid, input->action->id); return false; } else if (pcmk_is_set(input->flags, pcmk__ar_unmigratable_then_blocks) && !pcmk_is_set(input->action->flags, pcmk__action_runnable)) { crm_trace("Ignoring %s (%d) input %s (%d): " "input blocked if 'then' unmigratable", action->uuid, action->id, input->action->uuid, input->action->id); return false; } else if (pcmk_is_set(input->flags, pcmk__ar_if_first_unmigratable) && pcmk_is_set(input->action->flags, pcmk__action_migratable)) { crm_trace("Ignoring %s (%d) input %s (%d): ordering applies " "only if input is unmigratable, but it is migratable", action->uuid, action->id, input->action->uuid, input->action->id); return false; } else if ((input->flags == pcmk__ar_ordered) && pcmk_is_set(input->action->flags, pcmk__action_migratable) && pcmk__ends_with(input->action->uuid, "_stop_0")) { crm_trace("Ignoring %s (%d) input %s (%d): " "optional but stop in migration", action->uuid, action->id, input->action->uuid, input->action->id); return false; } else if (input->flags == pcmk__ar_if_on_same_node_or_target) { pcmk_node_t *input_node = input->action->node; if ((action->rsc != NULL) && pcmk__str_eq(action->task, PCMK_ACTION_MIGRATE_TO, pcmk__str_none)) { pcmk_node_t *assigned = action->rsc->priv->assigned_node; /* For load_stopped -> migrate_to orderings, we care about where * the resource has been assigned, not where migrate_to will be * executed. */ if (!pcmk__same_node(input_node, assigned)) { crm_trace("Ignoring %s (%d) input %s (%d): " "migration target %s is not same as input node %s", action->uuid, action->id, input->action->uuid, input->action->id, (assigned? assigned->priv->name : ""), (input_node? input_node->priv->name : "")); input->flags = pcmk__ar_none; return false; } } else if (!pcmk__same_node(input_node, action->node)) { crm_trace("Ignoring %s (%d) input %s (%d): " "not on same node (%s vs %s)", action->uuid, action->id, input->action->uuid, input->action->id, (action->node? action->node->priv->name : ""), (input_node? input_node->priv->name : "")); input->flags = pcmk__ar_none; return false; } else if (pcmk_is_set(input->action->flags, pcmk__action_optional)) { crm_trace("Ignoring %s (%d) input %s (%d): " "ordering optional", action->uuid, action->id, input->action->uuid, input->action->id); input->flags = pcmk__ar_none; return false; } } else if (input->flags == pcmk__ar_if_required_on_same_node) { if (input->action->node && action->node && !pcmk__same_node(input->action->node, action->node)) { crm_trace("Ignoring %s (%d) input %s (%d): " "not on same node (%s vs %s)", action->uuid, action->id, input->action->uuid, input->action->id, pcmk__node_name(action->node), pcmk__node_name(input->action->node)); input->flags = pcmk__ar_none; return false; } else if (pcmk_is_set(input->action->flags, pcmk__action_optional)) { crm_trace("Ignoring %s (%d) input %s (%d): optional", action->uuid, action->id, input->action->uuid, input->action->id); input->flags = pcmk__ar_none; return false; } } else if (input->action->rsc && input->action->rsc != action->rsc && pcmk_is_set(input->action->rsc->flags, pcmk__rsc_failed) && !pcmk_is_set(input->action->rsc->flags, pcmk__rsc_managed) && pcmk__ends_with(input->action->uuid, "_stop_0") && pcmk__is_clone(action->rsc)) { crm_warn("Ignoring requirement that %s complete before %s:" " unmanaged failed resources cannot prevent clone shutdown", input->action->uuid, action->uuid); return false; } else if (pcmk_is_set(input->action->flags, pcmk__action_optional) && !pcmk_any_flags_set(input->action->flags, pcmk__action_always_in_graph |pcmk__action_added_to_graph) && !should_add_action_to_graph(input->action)) { crm_trace("Ignoring %s (%d) input %s (%d): " "input optional", action->uuid, action->id, input->action->uuid, input->action->id); return false; } crm_trace("%s (%d) input %s %s (%d) on %s should be dumped: %s %s %#.6x", action->uuid, action->id, action_type_str(input->action->flags), input->action->uuid, input->action->id, action_node_str(input->action), action_runnable_str(input->action->flags), action_optional_str(input->action->flags), input->flags); return true; } /*! * \internal * \brief Check whether an ordering creates an ordering loop * * \param[in] init_action "First" action in ordering * \param[in] action Callers should always set this the same as * \p init_action (this function may use a different * value for recursive calls) * \param[in,out] input Action wrapper for "then" action in ordering * * \return true if the ordering creates a loop, otherwise false */ bool pcmk__graph_has_loop(const pcmk_action_t *init_action, const pcmk_action_t *action, pcmk__related_action_t *input) { bool has_loop = false; if (pcmk_is_set(input->action->flags, pcmk__action_detect_loop)) { crm_trace("Breaking tracking loop: %s@%s -> %s@%s (%#.6x)", input->action->uuid, input->action->node? input->action->node->priv->name : "", action->uuid, action->node? action->node->priv->name : "", input->flags); return false; } // Don't need to check inputs that won't be used if (!should_add_input_to_graph(action, input)) { return false; } if (input->action == init_action) { crm_debug("Input loop found in %s@%s ->...-> %s@%s", action->uuid, action->node? action->node->priv->name : "", init_action->uuid, init_action->node? init_action->node->priv->name : ""); return true; } pcmk__set_action_flags(input->action, pcmk__action_detect_loop); crm_trace("Checking inputs of action %s@%s input %s@%s (%#.6x)" "for graph loop with %s@%s ", action->uuid, action->node? action->node->priv->name : "", input->action->uuid, input->action->node? input->action->node->priv->name : "", input->flags, init_action->uuid, init_action->node? init_action->node->priv->name : ""); // Recursively check input itself for loops for (GList *iter = input->action->actions_before; iter != NULL; iter = iter->next) { if (pcmk__graph_has_loop(init_action, input->action, (pcmk__related_action_t *) iter->data)) { // Recursive call already logged a debug message has_loop = true; break; } } pcmk__clear_action_flags(input->action, pcmk__action_detect_loop); if (!has_loop) { crm_trace("No input loop found in %s@%s -> %s@%s (%#.6x)", input->action->uuid, input->action->node? input->action->node->priv->name : "", action->uuid, action->node? action->node->priv->name : "", input->flags); } return has_loop; } /*! * \internal * \brief Create a synapse XML element for a transition graph * * \param[in] action Action that synapse is for * \param[in,out] scheduler Scheduler data containing graph * * \return Newly added XML element for new graph synapse */ static xmlNode * create_graph_synapse(const pcmk_action_t *action, pcmk_scheduler_t *scheduler) { int synapse_priority = 0; xmlNode *syn = pcmk__xe_create(scheduler->graph, "synapse"); crm_xml_add_int(syn, PCMK_XA_ID, scheduler->num_synapse); scheduler->num_synapse++; if (action->rsc != NULL) { synapse_priority = action->rsc->priv->priority; } if (action->priority > synapse_priority) { synapse_priority = action->priority; } if (synapse_priority > 0) { crm_xml_add_int(syn, PCMK__XA_PRIORITY, synapse_priority); } return syn; } /*! * \internal * \brief Add an action to the transition graph XML if appropriate * * \param[in,out] data Action to possibly add * \param[in,out] user_data Scheduler data * * \note This will de-duplicate the action inputs, meaning that the * pcmk__related_action_t:type flags can no longer be relied on to retain * their original settings. That means this MUST be called after * pcmk__apply_orderings() is complete, and nothing after this should rely * on those type flags. (For example, some code looks for type equal to * some flag rather than whether the flag is set, and some code looks for * particular combinations of flags -- such code must be done before * pcmk__create_graph().) */ static void add_action_to_graph(gpointer data, gpointer user_data) { pcmk_action_t *action = (pcmk_action_t *) data; pcmk_scheduler_t *scheduler = (pcmk_scheduler_t *) user_data; xmlNode *syn = NULL; xmlNode *set = NULL; xmlNode *in = NULL; /* If we haven't already, de-duplicate inputs (even if we won't be adding * the action to the graph, so that crm_simulate's dot graphs don't have * duplicates). */ if (!pcmk_is_set(action->flags, pcmk__action_inputs_deduplicated)) { pcmk__deduplicate_action_inputs(action); pcmk__set_action_flags(action, pcmk__action_inputs_deduplicated); } if (pcmk_is_set(action->flags, pcmk__action_added_to_graph) || !should_add_action_to_graph(action)) { return; // Already added, or shouldn't be } pcmk__set_action_flags(action, pcmk__action_added_to_graph); crm_trace("Adding action %d (%s%s%s) to graph", action->id, action->uuid, ((action->node == NULL)? "" : " on "), ((action->node == NULL)? "" : action->node->priv->name)); syn = create_graph_synapse(action, scheduler); set = pcmk__xe_create(syn, "action_set"); in = pcmk__xe_create(syn, "inputs"); create_graph_action(set, action, false, scheduler); for (GList *lpc = action->actions_before; lpc != NULL; lpc = lpc->next) { pcmk__related_action_t *input = lpc->data; if (should_add_input_to_graph(action, input)) { xmlNode *input_xml = pcmk__xe_create(in, "trigger"); input->graphed = true; create_graph_action(input_xml, input->action, true, scheduler); } } } static int transition_id = -1; /*! * \internal * \brief Log a message after calculating a transition * * \param[in] scheduler Scheduler data * \param[in] filename Where transition input is stored */ void pcmk__log_transition_summary(const pcmk_scheduler_t *scheduler, const char *filename) { if (pcmk_is_set(scheduler->flags, pcmk__sched_processing_error) || crm_config_error) { crm_err("Calculated transition %d (with errors)%s%s", transition_id, (filename == NULL)? "" : ", saving inputs in ", (filename == NULL)? "" : filename); } else if (pcmk_is_set(scheduler->flags, pcmk__sched_processing_warning) || crm_config_warning) { crm_warn("Calculated transition %d (with warnings)%s%s", transition_id, (filename == NULL)? "" : ", saving inputs in ", (filename == NULL)? "" : filename); } else { crm_notice("Calculated transition %d%s%s", transition_id, (filename == NULL)? "" : ", saving inputs in ", (filename == NULL)? "" : filename); } if (crm_config_error) { crm_notice("Configuration errors found during scheduler processing," " please run \"crm_verify -L\" to identify issues"); } } /*! * \internal * \brief Add a resource's actions to the transition graph * * \param[in,out] rsc Resource whose actions should be added */ void pcmk__add_rsc_actions_to_graph(pcmk_resource_t *rsc) { GList *iter = NULL; CRM_ASSERT(rsc != NULL); pcmk__rsc_trace(rsc, "Adding actions for %s to graph", rsc->id); // First add the resource's own actions g_list_foreach(rsc->priv->actions, add_action_to_graph, rsc->priv->scheduler); // Then recursively add its children's actions (appropriate to variant) for (iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child_rsc = (pcmk_resource_t *) iter->data; child_rsc->priv->cmds->add_actions_to_graph(child_rsc); } } /*! * \internal * \brief Create a transition graph with all cluster actions needed * * \param[in,out] scheduler Scheduler data */ void pcmk__create_graph(pcmk_scheduler_t *scheduler) { GList *iter = NULL; const char *value = NULL; long long limit = 0LL; GHashTable *config_hash = scheduler->priv->options; transition_id++; crm_trace("Creating transition graph %d", transition_id); scheduler->graph = pcmk__xe_create(NULL, PCMK__XE_TRANSITION_GRAPH); value = pcmk__cluster_option(config_hash, PCMK_OPT_CLUSTER_DELAY); crm_xml_add(scheduler->graph, PCMK_OPT_CLUSTER_DELAY, value); value = pcmk__cluster_option(config_hash, PCMK_OPT_STONITH_TIMEOUT); crm_xml_add(scheduler->graph, PCMK_OPT_STONITH_TIMEOUT, value); crm_xml_add(scheduler->graph, "failed-stop-offset", "INFINITY"); if (pcmk_is_set(scheduler->flags, pcmk__sched_start_failure_fatal)) { crm_xml_add(scheduler->graph, "failed-start-offset", "INFINITY"); } else { crm_xml_add(scheduler->graph, "failed-start-offset", "1"); } value = pcmk__cluster_option(config_hash, PCMK_OPT_BATCH_LIMIT); crm_xml_add(scheduler->graph, PCMK_OPT_BATCH_LIMIT, value); crm_xml_add_int(scheduler->graph, "transition_id", transition_id); value = pcmk__cluster_option(config_hash, PCMK_OPT_MIGRATION_LIMIT); if ((pcmk__scan_ll(value, &limit, 0LL) == pcmk_rc_ok) && (limit > 0)) { crm_xml_add(scheduler->graph, PCMK_OPT_MIGRATION_LIMIT, value); } if (scheduler->recheck_by > 0) { char *recheck_epoch = NULL; recheck_epoch = crm_strdup_printf("%llu", (long long) scheduler->recheck_by); crm_xml_add(scheduler->graph, "recheck-by", recheck_epoch); free(recheck_epoch); } /* The following code will de-duplicate action inputs, so nothing past this * should rely on the action input type flags retaining their original * values. */ // Add resource actions to graph - for (iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (iter = scheduler->priv->resources; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; pcmk__rsc_trace(rsc, "Processing actions for %s", rsc->id); rsc->priv->cmds->add_actions_to_graph(rsc); } // Add pseudo-action for list of nodes with maintenance state update add_maintenance_update(scheduler); // Add non-resource (node) actions for (iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = (pcmk_action_t *) iter->data; if ((action->rsc != NULL) && (action->node != NULL) && action->node->details->shutdown && !pcmk_is_set(action->rsc->flags, pcmk__rsc_maintenance) && !pcmk_any_flags_set(action->flags, pcmk__action_optional|pcmk__action_runnable) && pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_none)) { /* Eventually we should just ignore the 'fence' case, but for now * it's the best way to detect (in CTS) when CIB resource updates * are being lost. */ if (pcmk_is_set(scheduler->flags, pcmk__sched_quorate) || (scheduler->no_quorum_policy == pcmk_no_quorum_ignore)) { const bool managed = pcmk_is_set(action->rsc->flags, pcmk__rsc_managed); const bool failed = pcmk_is_set(action->rsc->flags, pcmk__rsc_failed); crm_crit("Cannot %s %s because of %s:%s%s (%s)", action->node->details->unclean? "fence" : "shut down", pcmk__node_name(action->node), action->rsc->id, (managed? " blocked" : " unmanaged"), (failed? " failed" : ""), action->uuid); } } add_action_to_graph((gpointer) action, (gpointer) scheduler); } crm_log_xml_trace(scheduler->graph, "graph"); } diff --git a/lib/pacemaker/pcmk_injections.c b/lib/pacemaker/pcmk_injections.c index 40ca03d652..7115f94f72 100644 --- a/lib/pacemaker/pcmk_injections.c +++ b/lib/pacemaker/pcmk_injections.c @@ -1,778 +1,778 @@ /* * Copyright 2009-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // lrmd_event_data_t, etc. #include #include #include #include "libpacemaker_private.h" bool pcmk__simulate_node_config = false; #define XPATH_NODE_CONFIG "//" PCMK_XE_NODE "[@" PCMK_XA_UNAME "='%s']" #define XPATH_NODE_STATE "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='%s']" #define XPATH_NODE_STATE_BY_ID "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_ID "='%s']" #define XPATH_RSC_HISTORY XPATH_NODE_STATE \ "//" PCMK__XE_LRM_RESOURCE "[@" PCMK_XA_ID "='%s']" /*! * \internal * \brief Inject a fictitious transient node attribute into scheduler input * * \param[in,out] out Output object for displaying error messages * \param[in,out] cib_node \c PCMK__XE_NODE_STATE XML to inject attribute into * \param[in] name Transient node attribute name to inject * \param[in] value Transient node attribute value to inject */ static void inject_transient_attr(pcmk__output_t *out, xmlNode *cib_node, const char *name, const char *value) { xmlNode *attrs = NULL; xmlNode *instance_attrs = NULL; const char *node_uuid = pcmk__xe_id(cib_node); out->message(out, "inject-attr", name, value, cib_node); attrs = pcmk__xe_first_child(cib_node, PCMK__XE_TRANSIENT_ATTRIBUTES, NULL, NULL); if (attrs == NULL) { attrs = pcmk__xe_create(cib_node, PCMK__XE_TRANSIENT_ATTRIBUTES); crm_xml_add(attrs, PCMK_XA_ID, node_uuid); } instance_attrs = pcmk__xe_first_child(attrs, PCMK_XE_INSTANCE_ATTRIBUTES, NULL, NULL); if (instance_attrs == NULL) { instance_attrs = pcmk__xe_create(attrs, PCMK_XE_INSTANCE_ATTRIBUTES); crm_xml_add(instance_attrs, PCMK_XA_ID, node_uuid); } crm_create_nvpair_xml(instance_attrs, NULL, name, value); } /*! * \internal * \brief Inject a fictitious fail count into a scheduler input * * \param[in,out] out Output object for displaying error messages * \param[in,out] cib_conn CIB connection * \param[in,out] cib_node Node state XML to inject into * \param[in] resource ID of resource for fail count to inject * \param[in] task Action name for fail count to inject * \param[in] interval_ms Action interval (in milliseconds) for fail count * \param[in] exit_status Action result for fail count to inject (if * \c PCMK_OCF_OK, or \c PCMK_OCF_NOT_RUNNING when * \p interval_ms is 0, inject nothing) */ void pcmk__inject_failcount(pcmk__output_t *out, cib_t *cib_conn, xmlNode *cib_node, const char *resource, const char *task, guint interval_ms, int exit_status) { char *name = NULL; char *value = NULL; int failcount = 0; xmlNode *output = NULL; CRM_CHECK((out != NULL) && (cib_conn != NULL) && (cib_node != NULL) && (resource != NULL) && (task != NULL), return); if ((exit_status == PCMK_OCF_OK) || ((exit_status == PCMK_OCF_NOT_RUNNING) && (interval_ms == 0))) { return; } // Get current failcount and increment it name = pcmk__failcount_name(resource, task, interval_ms); if (cib__get_node_attrs(out, cib_conn, PCMK_XE_STATUS, pcmk__xe_id(cib_node), NULL, NULL, NULL, name, NULL, &output) == pcmk_rc_ok) { if (crm_element_value_int(output, PCMK_XA_VALUE, &failcount) != 0) { failcount = 0; } } value = pcmk__itoa(failcount + 1); inject_transient_attr(out, cib_node, name, value); free(name); free(value); pcmk__xml_free(output); name = pcmk__lastfailure_name(resource, task, interval_ms); value = pcmk__ttoa(time(NULL)); inject_transient_attr(out, cib_node, name, value); free(name); free(value); } /*! * \internal * \brief Create a CIB configuration entry for a fictitious node * * \param[in,out] cib_conn CIB object to use * \param[in] node Node name to use */ static void create_node_entry(cib_t *cib_conn, const char *node) { int rc = pcmk_ok; char *xpath = crm_strdup_printf(XPATH_NODE_CONFIG, node); rc = cib_conn->cmds->query(cib_conn, xpath, NULL, cib_xpath|cib_sync_call); if (rc == -ENXIO) { // Only add if not already existing xmlNode *cib_object = pcmk__xe_create(NULL, PCMK_XE_NODE); crm_xml_add(cib_object, PCMK_XA_ID, node); // Use node name as ID crm_xml_add(cib_object, PCMK_XA_UNAME, node); cib_conn->cmds->create(cib_conn, PCMK_XE_NODES, cib_object, cib_sync_call); /* Not bothering with subsequent query to see if it exists, we'll bomb out later in the call to query_node_uuid()... */ pcmk__xml_free(cib_object); } free(xpath); } /*! * \internal * \brief Synthesize a fake executor event for an action * * \param[in] cib_resource XML for any existing resource action history * \param[in] task Name of action to synthesize * \param[in] interval_ms Interval of action to synthesize * \param[in] outcome Result of action to synthesize * * \return Newly allocated executor event * \note It is the caller's responsibility to free the result with * lrmd_free_event(). */ static lrmd_event_data_t * create_op(const xmlNode *cib_resource, const char *task, guint interval_ms, int outcome) { lrmd_event_data_t *op = NULL; xmlNode *xop = NULL; op = lrmd_new_event(pcmk__xe_id(cib_resource), task, interval_ms); lrmd__set_result(op, outcome, PCMK_EXEC_DONE, "Simulated action result"); op->params = NULL; // Not needed for simulation purposes op->t_run = time(NULL); op->t_rcchange = op->t_run; // Use a call ID higher than any existing history entries op->call_id = 0; for (xop = pcmk__xe_first_child(cib_resource, NULL, NULL, NULL); xop != NULL; xop = pcmk__xe_next(xop)) { int tmp = 0; crm_element_value_int(xop, PCMK__XA_CALL_ID, &tmp); if (tmp > op->call_id) { op->call_id = tmp; } } op->call_id++; return op; } /*! * \internal * \brief Inject a fictitious resource history entry into a scheduler input * * \param[in,out] cib_resource Resource history XML to inject entry into * \param[in,out] op Action result to inject * \param[in] node Name of node where the action occurred * \param[in] target_rc Expected result for action to inject * * \return XML of injected resource history entry */ xmlNode * pcmk__inject_action_result(xmlNode *cib_resource, lrmd_event_data_t *op, const char *node, int target_rc) { return pcmk__create_history_xml(cib_resource, op, CRM_FEATURE_SET, target_rc, node, crm_system_name); } /*! * \internal * \brief Inject a fictitious node into a scheduler input * * \param[in,out] cib_conn Scheduler input CIB to inject node into * \param[in] node Name of node to inject * \param[in] uuid UUID of node to inject * * \return XML of \c PCMK__XE_NODE_STATE entry for new node * \note If the global pcmk__simulate_node_config has been set to true, a * node entry in the configuration section will be added, as well as a * node state entry in the status section. */ xmlNode * pcmk__inject_node(cib_t *cib_conn, const char *node, const char *uuid) { int rc = pcmk_ok; xmlNode *cib_object = NULL; char *xpath = crm_strdup_printf(XPATH_NODE_STATE, node); bool duplicate = false; char *found_uuid = NULL; if (pcmk__simulate_node_config) { create_node_entry(cib_conn, node); } rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object, cib_xpath|cib_sync_call); if ((cib_object != NULL) && (pcmk__xe_id(cib_object) == NULL)) { crm_err("Detected multiple " PCMK__XE_NODE_STATE " entries for " "xpath=%s, bailing", xpath); duplicate = true; goto done; } if (rc == -ENXIO) { if (uuid == NULL) { query_node_uuid(cib_conn, node, &found_uuid, NULL); } else { found_uuid = strdup(uuid); } if (found_uuid) { char *xpath_by_uuid = crm_strdup_printf(XPATH_NODE_STATE_BY_ID, found_uuid); /* It's possible that a PCMK__XE_NODE_STATE entry doesn't have a * PCMK_XA_UNAME yet */ rc = cib_conn->cmds->query(cib_conn, xpath_by_uuid, &cib_object, cib_xpath|cib_sync_call); if ((cib_object != NULL) && (pcmk__xe_id(cib_object) == NULL)) { crm_err("Can't inject node state for %s because multiple " "state entries found for ID %s", node, found_uuid); duplicate = true; free(xpath_by_uuid); goto done; } else if (cib_object != NULL) { crm_xml_add(cib_object, PCMK_XA_UNAME, node); rc = cib_conn->cmds->modify(cib_conn, PCMK_XE_STATUS, cib_object, cib_sync_call); } free(xpath_by_uuid); } } if (rc == -ENXIO) { cib_object = pcmk__xe_create(NULL, PCMK__XE_NODE_STATE); crm_xml_add(cib_object, PCMK_XA_ID, found_uuid); crm_xml_add(cib_object, PCMK_XA_UNAME, node); cib_conn->cmds->create(cib_conn, PCMK_XE_STATUS, cib_object, cib_sync_call); pcmk__xml_free(cib_object); rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object, cib_xpath|cib_sync_call); crm_trace("Injecting node state for %s (rc=%d)", node, rc); } done: free(found_uuid); free(xpath); if (duplicate) { crm_log_xml_warn(cib_object, "Duplicates"); crm_exit(CRM_EX_SOFTWARE); return NULL; // not reached, but makes static analysis happy } CRM_ASSERT(rc == pcmk_ok); return cib_object; } /*! * \internal * \brief Inject a fictitious node state change into a scheduler input * * \param[in,out] cib_conn Scheduler input CIB to inject into * \param[in] node Name of node to inject change for * \param[in] up If true, change state to online, otherwise offline * * \return XML of changed (or added) node state entry */ xmlNode * pcmk__inject_node_state_change(cib_t *cib_conn, const char *node, bool up) { xmlNode *cib_node = pcmk__inject_node(cib_conn, node, NULL); if (up) { pcmk__xe_set_props(cib_node, PCMK__XA_IN_CCM, PCMK_VALUE_TRUE, PCMK_XA_CRMD, PCMK_VALUE_ONLINE, PCMK__XA_JOIN, CRMD_JOINSTATE_MEMBER, PCMK_XA_EXPECTED, CRMD_JOINSTATE_MEMBER, NULL); } else { pcmk__xe_set_props(cib_node, PCMK__XA_IN_CCM, PCMK_VALUE_FALSE, PCMK_XA_CRMD, PCMK_VALUE_OFFLINE, PCMK__XA_JOIN, CRMD_JOINSTATE_DOWN, PCMK_XA_EXPECTED, CRMD_JOINSTATE_DOWN, NULL); } crm_xml_add(cib_node, PCMK_XA_CRM_DEBUG_ORIGIN, crm_system_name); return cib_node; } /*! * \internal * \brief Check whether a node has history for a given resource * * \param[in,out] cib_node Node state XML to check * \param[in] resource Resource name to check for * * \return Resource's \c PCMK__XE_LRM_RESOURCE XML entry beneath \p cib_node if * found, otherwise \c NULL */ static xmlNode * find_resource_xml(xmlNode *cib_node, const char *resource) { const char *node = crm_element_value(cib_node, PCMK_XA_UNAME); char *xpath = crm_strdup_printf(XPATH_RSC_HISTORY, node, resource); xmlNode *match = get_xpath_object(xpath, cib_node, LOG_TRACE); free(xpath); return match; } /*! * \internal * \brief Inject a resource history element into a scheduler input * * \param[in,out] out Output object for displaying error messages * \param[in,out] cib_node Node state XML to inject resource history entry into * \param[in] resource ID (in configuration) of resource to inject * \param[in] lrm_name ID as used in history (could be clone instance) * \param[in] rclass Resource agent class of resource to inject * \param[in] rtype Resource agent type of resource to inject * \param[in] rprovider Resource agent provider of resource to inject * * \return XML of injected resource history element * \note If a history element already exists under either \p resource or * \p lrm_name, this will return it rather than injecting a new one. */ xmlNode * pcmk__inject_resource_history(pcmk__output_t *out, xmlNode *cib_node, const char *resource, const char *lrm_name, const char *rclass, const char *rtype, const char *rprovider) { xmlNode *lrm = NULL; xmlNode *container = NULL; xmlNode *cib_resource = NULL; cib_resource = find_resource_xml(cib_node, resource); if (cib_resource != NULL) { /* If an existing LRM history entry uses the resource name, * continue using it, even if lrm_name is different. */ return cib_resource; } // Check for history entry under preferred name if (strcmp(resource, lrm_name) != 0) { cib_resource = find_resource_xml(cib_node, lrm_name); if (cib_resource != NULL) { return cib_resource; } } if ((rclass == NULL) || (rtype == NULL)) { // @TODO query configuration for class, provider, type out->err(out, "Resource %s not found in the status section of %s " "(supply class and type to continue)", resource, pcmk__xe_id(cib_node)); return NULL; } else if (!pcmk__strcase_any_of(rclass, PCMK_RESOURCE_CLASS_OCF, PCMK_RESOURCE_CLASS_STONITH, PCMK_RESOURCE_CLASS_SERVICE, PCMK_RESOURCE_CLASS_UPSTART, PCMK_RESOURCE_CLASS_SYSTEMD, PCMK_RESOURCE_CLASS_LSB, NULL)) { out->err(out, "Invalid class for %s: %s", resource, rclass); return NULL; } else if (pcmk_is_set(pcmk_get_ra_caps(rclass), pcmk_ra_cap_provider) && (rprovider == NULL)) { // @TODO query configuration for provider out->err(out, "Please specify the provider for resource %s", resource); return NULL; } crm_info("Injecting new resource %s into node state '%s'", lrm_name, pcmk__xe_id(cib_node)); lrm = pcmk__xe_first_child(cib_node, PCMK__XE_LRM, NULL, NULL); if (lrm == NULL) { const char *node_uuid = pcmk__xe_id(cib_node); lrm = pcmk__xe_create(cib_node, PCMK__XE_LRM); crm_xml_add(lrm, PCMK_XA_ID, node_uuid); } container = pcmk__xe_first_child(lrm, PCMK__XE_LRM_RESOURCES, NULL, NULL); if (container == NULL) { container = pcmk__xe_create(lrm, PCMK__XE_LRM_RESOURCES); } cib_resource = pcmk__xe_create(container, PCMK__XE_LRM_RESOURCE); // If we're creating a new entry, use the preferred name crm_xml_add(cib_resource, PCMK_XA_ID, lrm_name); crm_xml_add(cib_resource, PCMK_XA_CLASS, rclass); crm_xml_add(cib_resource, PCMK_XA_PROVIDER, rprovider); crm_xml_add(cib_resource, PCMK_XA_TYPE, rtype); return cib_resource; } /*! * \internal * \brief Inject a ticket attribute into ticket state * * \param[in,out] out Output object for displaying error messages * \param[in] ticket_id Ticket whose state should be changed * \param[in] attr_name Ticket attribute name to inject * \param[in] attr_value Boolean value of ticket attribute to inject * \param[in,out] cib CIB object to use * * \return Standard Pacemaker return code */ static int set_ticket_state_attr(pcmk__output_t *out, const char *ticket_id, const char *attr_name, bool attr_value, cib_t *cib) { int rc = pcmk_rc_ok; xmlNode *xml_top = NULL; xmlNode *ticket_state_xml = NULL; // Check for an existing ticket state entry rc = pcmk__get_ticket_state(cib, ticket_id, &ticket_state_xml); if (rc == pcmk_rc_duplicate_id) { out->err(out, "Multiple " PCMK__XE_TICKET_STATE "s match ticket_id=%s", ticket_id); rc = pcmk_rc_ok; } if (rc == pcmk_rc_ok) { // Ticket state found, use it crm_debug("Injecting attribute into existing ticket state %s", ticket_id); xml_top = ticket_state_xml; } else if (rc == ENXIO) { // No ticket state, create it xmlNode *xml_obj = NULL; xml_top = pcmk__xe_create(NULL, PCMK_XE_STATUS); xml_obj = pcmk__xe_create(xml_top, PCMK_XE_TICKETS); ticket_state_xml = pcmk__xe_create(xml_obj, PCMK__XE_TICKET_STATE); crm_xml_add(ticket_state_xml, PCMK_XA_ID, ticket_id); } else { // Error return rc; } // Add the attribute to the ticket state pcmk__xe_set_bool_attr(ticket_state_xml, attr_name, attr_value); crm_log_xml_debug(xml_top, "Update"); // Commit the change to the CIB rc = cib->cmds->modify(cib, PCMK_XE_STATUS, xml_top, cib_sync_call); rc = pcmk_legacy2rc(rc); pcmk__xml_free(xml_top); return rc; } /*! * \internal * \brief Inject a fictitious action into the cluster * * \param[in,out] out Output object for displaying error messages * \param[in] spec Action specification to inject * \param[in,out] cib CIB object for scheduler input * \param[in] scheduler Scheduler data */ static void inject_action(pcmk__output_t *out, const char *spec, cib_t *cib, const pcmk_scheduler_t *scheduler) { int rc; int outcome = PCMK_OCF_OK; guint interval_ms = 0; char *key = NULL; char *node = NULL; char *task = NULL; char *resource = NULL; const char *rtype = NULL; const char *rclass = NULL; const char *rprovider = NULL; xmlNode *cib_op = NULL; xmlNode *cib_node = NULL; xmlNode *cib_resource = NULL; const pcmk_resource_t *rsc = NULL; lrmd_event_data_t *op = NULL; out->message(out, "inject-spec", spec); key = pcmk__assert_alloc(1, strlen(spec) + 1); node = pcmk__assert_alloc(1, strlen(spec) + 1); rc = sscanf(spec, "%[^@]@%[^=]=%d", key, node, &outcome); if (rc != 3) { out->err(out, "Invalid operation spec: %s. Only found %d fields", spec, rc); goto done; } parse_op_key(key, &resource, &task, &interval_ms); - rsc = pe_find_resource(scheduler->resources, resource); + rsc = pe_find_resource(scheduler->priv->resources, resource); if (rsc == NULL) { out->err(out, "Invalid resource name: %s", resource); goto done; } rclass = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS); rtype = crm_element_value(rsc->priv->xml, PCMK_XA_TYPE); rprovider = crm_element_value(rsc->priv->xml, PCMK_XA_PROVIDER); cib_node = pcmk__inject_node(cib, node, NULL); CRM_ASSERT(cib_node != NULL); pcmk__inject_failcount(out, cib, cib_node, resource, task, interval_ms, outcome); cib_resource = pcmk__inject_resource_history(out, cib_node, resource, resource, rclass, rtype, rprovider); CRM_ASSERT(cib_resource != NULL); op = create_op(cib_resource, task, interval_ms, outcome); CRM_ASSERT(op != NULL); cib_op = pcmk__inject_action_result(cib_resource, op, node, 0); CRM_ASSERT(cib_op != NULL); lrmd_free_event(op); rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); done: free(task); free(node); free(key); } /*! * \internal * \brief Inject fictitious scheduler inputs * * \param[in,out] scheduler Scheduler data * \param[in,out] cib CIB object for scheduler input to modify * \param[in] injections Injections to apply */ void pcmk__inject_scheduler_input(pcmk_scheduler_t *scheduler, cib_t *cib, const pcmk_injections_t *injections) { int rc = pcmk_ok; const GList *iter = NULL; xmlNode *cib_node = NULL; pcmk__output_t *out = scheduler->priv->out; out->message(out, "inject-modify-config", injections->quorum, injections->watchdog); if (injections->quorum != NULL) { xmlNode *top = pcmk__xe_create(NULL, PCMK_XE_CIB); /* crm_xml_add(top, PCMK_XA_DC_UUID, dc_uuid); */ crm_xml_add(top, PCMK_XA_HAVE_QUORUM, injections->quorum); rc = cib->cmds->modify(cib, NULL, top, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); } if (injections->watchdog != NULL) { rc = cib__update_node_attr(out, cib, cib_sync_call, PCMK_XE_CRM_CONFIG, NULL, NULL, NULL, NULL, PCMK_OPT_HAVE_WATCHDOG, injections->watchdog, NULL, NULL); CRM_ASSERT(rc == pcmk_rc_ok); } for (iter = injections->node_up; iter != NULL; iter = iter->next) { const char *node = (const char *) iter->data; out->message(out, "inject-modify-node", "Online", node); cib_node = pcmk__inject_node_state_change(cib, node, true); CRM_ASSERT(cib_node != NULL); rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); pcmk__xml_free(cib_node); } for (iter = injections->node_down; iter != NULL; iter = iter->next) { const char *node = (const char *) iter->data; char *xpath = NULL; out->message(out, "inject-modify-node", "Offline", node); cib_node = pcmk__inject_node_state_change(cib, node, false); CRM_ASSERT(cib_node != NULL); rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); pcmk__xml_free(cib_node); xpath = crm_strdup_printf("//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='%s']" "/" PCMK__XE_LRM, node); cib->cmds->remove(cib, xpath, NULL, cib_xpath|cib_sync_call); free(xpath); xpath = crm_strdup_printf("//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='%s']" "/" PCMK__XE_TRANSIENT_ATTRIBUTES, node); cib->cmds->remove(cib, xpath, NULL, cib_xpath|cib_sync_call); free(xpath); } for (iter = injections->node_fail; iter != NULL; iter = iter->next) { const char *node = (const char *) iter->data; out->message(out, "inject-modify-node", "Failing", node); cib_node = pcmk__inject_node_state_change(cib, node, true); crm_xml_add(cib_node, PCMK__XA_IN_CCM, PCMK_VALUE_FALSE); CRM_ASSERT(cib_node != NULL); rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); pcmk__xml_free(cib_node); } for (iter = injections->ticket_grant; iter != NULL; iter = iter->next) { const char *ticket_id = (const char *) iter->data; out->message(out, "inject-modify-ticket", "Granting", ticket_id); rc = set_ticket_state_attr(out, ticket_id, PCMK__XA_GRANTED, true, cib); CRM_ASSERT(rc == pcmk_rc_ok); } for (iter = injections->ticket_revoke; iter != NULL; iter = iter->next) { const char *ticket_id = (const char *) iter->data; out->message(out, "inject-modify-ticket", "Revoking", ticket_id); rc = set_ticket_state_attr(out, ticket_id, PCMK__XA_GRANTED, false, cib); CRM_ASSERT(rc == pcmk_rc_ok); } for (iter = injections->ticket_standby; iter != NULL; iter = iter->next) { const char *ticket_id = (const char *) iter->data; out->message(out, "inject-modify-ticket", "Standby", ticket_id); rc = set_ticket_state_attr(out, ticket_id, PCMK_XA_STANDBY, true, cib); CRM_ASSERT(rc == pcmk_rc_ok); } for (iter = injections->ticket_activate; iter != NULL; iter = iter->next) { const char *ticket_id = (const char *) iter->data; out->message(out, "inject-modify-ticket", "Activating", ticket_id); rc = set_ticket_state_attr(out, ticket_id, PCMK_XA_STANDBY, false, cib); CRM_ASSERT(rc == pcmk_rc_ok); } for (iter = injections->op_inject; iter != NULL; iter = iter->next) { inject_action(out, (const char *) iter->data, cib, scheduler); } if (!out->is_quiet(out)) { out->end_list(out); } } void pcmk_free_injections(pcmk_injections_t *injections) { if (injections == NULL) { return; } g_list_free_full(injections->node_up, g_free); g_list_free_full(injections->node_down, g_free); g_list_free_full(injections->node_fail, g_free); g_list_free_full(injections->op_fail, g_free); g_list_free_full(injections->op_inject, g_free); g_list_free_full(injections->ticket_grant, g_free); g_list_free_full(injections->ticket_revoke, g_free); g_list_free_full(injections->ticket_standby, g_free); g_list_free_full(injections->ticket_activate, g_free); free(injections->quorum); free(injections->watchdog); free(injections); } diff --git a/lib/pacemaker/pcmk_sched_actions.c b/lib/pacemaker/pcmk_sched_actions.c index d652dfb798..0a02a1a536 100644 --- a/lib/pacemaker/pcmk_sched_actions.c +++ b/lib/pacemaker/pcmk_sched_actions.c @@ -1,1946 +1,1948 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include "libpacemaker_private.h" /*! * \internal * \brief Get the action flags relevant to ordering constraints * * \param[in,out] action Action to check * \param[in] node Node that *other* action in the ordering is on * (used only for clone resource actions) * * \return Action flags that should be used for orderings */ static uint32_t action_flags_for_ordering(pcmk_action_t *action, const pcmk_node_t *node) { bool runnable = false; uint32_t flags; // For non-resource actions, return the action flags if (action->rsc == NULL) { return action->flags; } /* For non-clone resources, or a clone action not assigned to a node, * return the flags as determined by the resource method without a node * specified. */ flags = action->rsc->priv->cmds->action_flags(action, NULL); if ((node == NULL) || !pcmk__is_clone(action->rsc)) { return flags; } /* Otherwise (i.e., for clone resource actions on a specific node), first * remember whether the non-node-specific action is runnable. */ runnable = pcmk_is_set(flags, pcmk__action_runnable); // Then recheck the resource method with the node flags = action->rsc->priv->cmds->action_flags(action, node); /* For clones in ordering constraints, the node-specific "runnable" doesn't * matter, just the non-node-specific setting (i.e., is the action runnable * anywhere). * * This applies only to runnable, and only for ordering constraints. This * function shouldn't be used for other types of constraints without * changes. Not very satisfying, but it's logical and appears to work well. */ if (runnable && !pcmk_is_set(flags, pcmk__action_runnable)) { pcmk__set_raw_action_flags(flags, action->rsc->id, pcmk__action_runnable); } return flags; } /*! * \internal * \brief Get action UUID that should be used with a resource ordering * * When an action is ordered relative to an action for a collective resource * (clone, group, or bundle), it actually needs to be ordered after all * instances of the collective have completed the relevant action (for example, * given "start CLONE then start RSC", RSC must wait until all instances of * CLONE have started). Given the UUID and resource of the first action in an * ordering, this returns the UUID of the action that should actually be used * for ordering (for example, "CLONE_started_0" instead of "CLONE_start_0"). * * \param[in] first_uuid UUID of first action in ordering * \param[in] first_rsc Resource of first action in ordering * * \return Newly allocated copy of UUID to use with ordering * \note It is the caller's responsibility to free the return value. */ static char * action_uuid_for_ordering(const char *first_uuid, const pcmk_resource_t *first_rsc) { guint interval_ms = 0; char *uuid = NULL; char *rid = NULL; char *first_task_str = NULL; enum pcmk__action_type first_task = pcmk__action_unspecified; enum pcmk__action_type remapped_task = pcmk__action_unspecified; // Only non-notify actions for collective resources need remapping if ((strstr(first_uuid, PCMK_ACTION_NOTIFY) != NULL) || (first_rsc->priv->variant < pcmk__rsc_variant_group)) { goto done; } // Only non-recurring actions need remapping CRM_ASSERT(parse_op_key(first_uuid, &rid, &first_task_str, &interval_ms)); if (interval_ms > 0) { goto done; } first_task = pcmk__parse_action(first_task_str); switch (first_task) { case pcmk__action_stop: case pcmk__action_start: case pcmk__action_notify: case pcmk__action_promote: case pcmk__action_demote: remapped_task = first_task + 1; break; case pcmk__action_stopped: case pcmk__action_started: case pcmk__action_notified: case pcmk__action_promoted: case pcmk__action_demoted: remapped_task = first_task; break; case pcmk__action_monitor: case pcmk__action_shutdown: case pcmk__action_fence: break; default: crm_err("Unknown action '%s' in ordering", first_task_str); break; } if (remapped_task != pcmk__action_unspecified) { /* If a clone or bundle has notifications enabled, the ordering will be * relative to when notifications have been sent for the remapped task. */ if (pcmk_is_set(first_rsc->flags, pcmk__rsc_notify) && (pcmk__is_clone(first_rsc) || pcmk__is_bundled(first_rsc))) { uuid = pcmk__notify_key(rid, "confirmed-post", pcmk__action_text(remapped_task)); } else { uuid = pcmk__op_key(rid, pcmk__action_text(remapped_task), 0); } pcmk__rsc_trace(first_rsc, "Remapped action UUID %s to %s for ordering purposes", first_uuid, uuid); } done: free(first_task_str); free(rid); return (uuid != NULL)? uuid : pcmk__str_copy(first_uuid); } /*! * \internal * \brief Get actual action that should be used with an ordering * * When an action is ordered relative to an action for a collective resource * (clone, group, or bundle), it actually needs to be ordered after all * instances of the collective have completed the relevant action (for example, * given "start CLONE then start RSC", RSC must wait until all instances of * CLONE have started). Given the first action in an ordering, this returns the * the action that should actually be used for ordering (for example, the * started action instead of the start action). * * \param[in] action First action in an ordering * * \return Actual action that should be used for the ordering */ static pcmk_action_t * action_for_ordering(pcmk_action_t *action) { pcmk_action_t *result = action; pcmk_resource_t *rsc = action->rsc; if (rsc == NULL) { return result; } if ((rsc->priv->variant >= pcmk__rsc_variant_group) && (action->uuid != NULL)) { char *uuid = action_uuid_for_ordering(action->uuid, rsc); result = find_first_action(rsc->priv->actions, uuid, NULL, NULL); if (result == NULL) { crm_warn("Not remapping %s to %s because %s does not have " "remapped action", action->uuid, uuid, rsc->id); result = action; } free(uuid); } return result; } /*! * \internal * \brief Wrapper for update_ordered_actions() method for readability * * \param[in,out] rsc Resource to call method for * \param[in,out] first 'First' action in an ordering * \param[in,out] then 'Then' action in an ordering * \param[in] node If not NULL, limit scope of ordering to this * node (only used when interleaving instances) * \param[in] flags Action flags for \p first for ordering purposes * \param[in] filter Action flags to limit scope of certain updates * (may include pcmk__action_optional to affect only * mandatory actions, and pe_action_runnable to * affect only runnable actions) * \param[in] type Group of enum pcmk__action_relation_flags to apply * \param[in,out] scheduler Scheduler data * * \return Group of enum pcmk__updated flags indicating what was updated */ static inline uint32_t update(pcmk_resource_t *rsc, pcmk_action_t *first, pcmk_action_t *then, const pcmk_node_t *node, uint32_t flags, uint32_t filter, uint32_t type, pcmk_scheduler_t *scheduler) { return rsc->priv->cmds->update_ordered_actions(first, then, node, flags, filter, type, scheduler); } /*! * \internal * \brief Update flags for ordering's actions appropriately for ordering's flags * * \param[in,out] first First action in an ordering * \param[in,out] then Then action in an ordering * \param[in] first_flags Action flags for \p first for ordering purposes * \param[in] then_flags Action flags for \p then for ordering purposes * \param[in,out] order Action wrapper for \p first in ordering * \param[in,out] scheduler Scheduler data * * \return Group of enum pcmk__updated flags */ static uint32_t update_action_for_ordering_flags(pcmk_action_t *first, pcmk_action_t *then, uint32_t first_flags, uint32_t then_flags, pcmk__related_action_t *order, pcmk_scheduler_t *scheduler) { uint32_t changed = pcmk__updated_none; /* The node will only be used for clones. If interleaved, node will be NULL, * otherwise the ordering scope will be limited to the node. Normally, the * whole 'then' clone should restart if 'first' is restarted, so then->node * is needed. */ pcmk_node_t *node = then->node; if (pcmk_is_set(order->flags, pcmk__ar_first_implies_same_node_then)) { /* For unfencing, only instances of 'then' on the same node as 'first' * (the unfencing operation) should restart, so reset node to * first->node, at which point this case is handled like a normal * pcmk__ar_first_implies_then. */ pcmk__clear_relation_flags(order->flags, pcmk__ar_first_implies_same_node_then); pcmk__set_relation_flags(order->flags, pcmk__ar_first_implies_then); node = first->node; pcmk__rsc_trace(then->rsc, "%s then %s: mapped " "pcmk__ar_first_implies_same_node_then to " "pcmk__ar_first_implies_then on %s", first->uuid, then->uuid, pcmk__node_name(node)); } if (pcmk_is_set(order->flags, pcmk__ar_first_implies_then)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags & pcmk__action_optional, pcmk__action_optional, pcmk__ar_first_implies_then, scheduler); } else if (!pcmk_is_set(first_flags, pcmk__action_optional) && pcmk_is_set(then->flags, pcmk__action_optional)) { pcmk__clear_action_flags(then, pcmk__action_optional); pcmk__set_updated_flags(changed, first, pcmk__updated_then); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_first_implies_then", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_intermediate_stop) && (then->rsc != NULL)) { enum pcmk__action_flags restart = pcmk__action_optional |pcmk__action_runnable; changed |= update(then->rsc, first, then, node, first_flags, restart, pcmk__ar_intermediate_stop, scheduler); pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_intermediate_stop", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_then_implies_first)) { if (first->rsc != NULL) { changed |= update(first->rsc, first, then, node, first_flags, pcmk__action_optional, pcmk__ar_then_implies_first, scheduler); } else if (!pcmk_is_set(first_flags, pcmk__action_optional) && pcmk_is_set(first->flags, pcmk__action_runnable)) { pcmk__clear_action_flags(first, pcmk__action_runnable); pcmk__set_updated_flags(changed, first, pcmk__updated_first); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_then_implies_first", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_promoted_then_implies_first)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags & pcmk__action_optional, pcmk__action_optional, pcmk__ar_promoted_then_implies_first, scheduler); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after " "pcmk__ar_promoted_then_implies_first", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_min_runnable)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_runnable, pcmk__ar_min_runnable, scheduler); } else if (pcmk_is_set(first_flags, pcmk__action_runnable)) { // We have another runnable instance of "first" then->runnable_before++; /* Mark "then" as runnable if it requires a certain number of * "before" instances to be runnable, and they now are. */ if ((then->runnable_before >= then->required_runnable_before) && !pcmk_is_set(then->flags, pcmk__action_runnable)) { pcmk__set_action_flags(then, pcmk__action_runnable); pcmk__set_updated_flags(changed, first, pcmk__updated_then); } } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_min_runnable", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_nested_remote_probe) && (then->rsc != NULL)) { if (!pcmk_is_set(first_flags, pcmk__action_runnable) && (first->rsc != NULL) && (first->rsc->priv->active_nodes != NULL)) { pcmk__rsc_trace(then->rsc, "%s then %s: ignoring because first is stopping", first->uuid, then->uuid); order->flags = pcmk__ar_none; } else { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_runnable, pcmk__ar_unrunnable_first_blocks, scheduler); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_nested_remote_probe", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_unrunnable_first_blocks)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_runnable, pcmk__ar_unrunnable_first_blocks, scheduler); } else if (!pcmk_is_set(first_flags, pcmk__action_runnable) && pcmk_is_set(then->flags, pcmk__action_runnable)) { pcmk__clear_action_flags(then, pcmk__action_runnable); pcmk__set_updated_flags(changed, first, pcmk__updated_then); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_unrunnable_first_blocks", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_unmigratable_then_blocks)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_optional, pcmk__ar_unmigratable_then_blocks, scheduler); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after " "pcmk__ar_unmigratable_then_blocks", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_first_else_then)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_optional, pcmk__ar_first_else_then, scheduler); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_first_else_then", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_ordered)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_runnable, pcmk__ar_ordered, scheduler); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_ordered", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(order->flags, pcmk__ar_asymmetric)) { if (then->rsc != NULL) { changed |= update(then->rsc, first, then, node, first_flags, pcmk__action_runnable, pcmk__ar_asymmetric, scheduler); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after pcmk__ar_asymmetric", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } if (pcmk_is_set(first->flags, pcmk__action_runnable) && pcmk_is_set(order->flags, pcmk__ar_first_implies_then_graphed) && !pcmk_is_set(first_flags, pcmk__action_optional)) { pcmk__rsc_trace(then->rsc, "%s will be in graph because %s is required", then->uuid, first->uuid); pcmk__set_action_flags(then, pcmk__action_always_in_graph); // Don't bother marking 'then' as changed just for this } if (pcmk_is_set(order->flags, pcmk__ar_then_implies_first_graphed) && !pcmk_is_set(then_flags, pcmk__action_optional)) { pcmk__rsc_trace(then->rsc, "%s will be in graph because %s is required", first->uuid, then->uuid); pcmk__set_action_flags(first, pcmk__action_always_in_graph); // Don't bother marking 'first' as changed just for this } if (pcmk_any_flags_set(order->flags, pcmk__ar_first_implies_then |pcmk__ar_then_implies_first |pcmk__ar_intermediate_stop) && (first->rsc != NULL) && !pcmk_is_set(first->rsc->flags, pcmk__rsc_managed) && pcmk_is_set(first->rsc->flags, pcmk__rsc_blocked) && !pcmk_is_set(first->flags, pcmk__action_runnable) && pcmk__str_eq(first->task, PCMK_ACTION_STOP, pcmk__str_none)) { if (pcmk_is_set(then->flags, pcmk__action_runnable)) { pcmk__clear_action_flags(then, pcmk__action_runnable); pcmk__set_updated_flags(changed, first, pcmk__updated_then); } pcmk__rsc_trace(then->rsc, "%s then %s: %s after checking whether first " "is blocked, unmanaged, unrunnable stop", first->uuid, then->uuid, (changed? "changed" : "unchanged")); } return changed; } // Convenience macros for logging action properties #define action_type_str(flags) \ (pcmk_is_set((flags), pcmk__action_pseudo)? "pseudo-action" : "action") #define action_optional_str(flags) \ (pcmk_is_set((flags), pcmk__action_optional)? "optional" : "required") #define action_runnable_str(flags) \ (pcmk_is_set((flags), pcmk__action_runnable)? "runnable" : "unrunnable") #define action_node_str(a) \ (((a)->node == NULL)? "no node" : (a)->node->priv->name) /*! * \internal * \brief Update an action's flags for all orderings where it is "then" * * \param[in,out] then Action to update * \param[in,out] scheduler Scheduler data */ void pcmk__update_action_for_orderings(pcmk_action_t *then, pcmk_scheduler_t *scheduler) { GList *lpc = NULL; uint32_t changed = pcmk__updated_none; int last_flags = then->flags; pcmk__rsc_trace(then->rsc, "Updating %s %s (%s %s) on %s", action_type_str(then->flags), then->uuid, action_optional_str(then->flags), action_runnable_str(then->flags), action_node_str(then)); if (pcmk_is_set(then->flags, pcmk__action_min_runnable)) { /* Initialize current known "runnable before" actions. As * update_action_for_ordering_flags() is called for each of then's * before actions, this number will increment as runnable 'first' * actions are encountered. */ then->runnable_before = 0; if (then->required_runnable_before == 0) { /* @COMPAT This ordering constraint uses the deprecated * PCMK_XA_REQUIRE_ALL=PCMK_VALUE_FALSE attribute. Treat it like * PCMK_META_CLONE_MIN=1. */ then->required_runnable_before = 1; } /* The pcmk__ar_min_runnable clause of * update_action_for_ordering_flags() (called below) * will reset runnable if appropriate. */ pcmk__clear_action_flags(then, pcmk__action_runnable); } for (lpc = then->actions_before; lpc != NULL; lpc = lpc->next) { pcmk__related_action_t *other = lpc->data; pcmk_action_t *first = other->action; pcmk_node_t *then_node = then->node; pcmk_node_t *first_node = first->node; if ((first->rsc != NULL) && pcmk__is_group(first->rsc) && pcmk__str_eq(first->task, PCMK_ACTION_START, pcmk__str_none)) { first_node = first->rsc->priv->fns->location(first->rsc, NULL, FALSE); if (first_node != NULL) { pcmk__rsc_trace(first->rsc, "Found %s for 'first' %s", pcmk__node_name(first_node), first->uuid); } } if (pcmk__is_group(then->rsc) && pcmk__str_eq(then->task, PCMK_ACTION_START, pcmk__str_none)) { then_node = then->rsc->priv->fns->location(then->rsc, NULL, FALSE); if (then_node != NULL) { pcmk__rsc_trace(then->rsc, "Found %s for 'then' %s", pcmk__node_name(then_node), then->uuid); } } // Disable constraint if it only applies when on same node, but isn't if (pcmk_is_set(other->flags, pcmk__ar_if_on_same_node) && (first_node != NULL) && (then_node != NULL) && !pcmk__same_node(first_node, then_node)) { pcmk__rsc_trace(then->rsc, "Disabled ordering %s on %s then %s on %s: " "not same node", other->action->uuid, pcmk__node_name(first_node), then->uuid, pcmk__node_name(then_node)); other->flags = pcmk__ar_none; continue; } pcmk__clear_updated_flags(changed, then, pcmk__updated_first); if ((first->rsc != NULL) && pcmk_is_set(other->flags, pcmk__ar_then_cancels_first) && !pcmk_is_set(then->flags, pcmk__action_optional)) { /* 'then' is required, so we must abandon 'first' * (e.g. a required stop cancels any agent reload). */ pcmk__set_action_flags(other->action, pcmk__action_optional); if (!strcmp(first->task, PCMK_ACTION_RELOAD_AGENT)) { pcmk__clear_rsc_flags(first->rsc, pcmk__rsc_reload); } } if ((first->rsc != NULL) && (then->rsc != NULL) && (first->rsc != then->rsc) && !is_parent(then->rsc, first->rsc)) { first = action_for_ordering(first); } if (first != other->action) { pcmk__rsc_trace(then->rsc, "Ordering %s after %s instead of %s", then->uuid, first->uuid, other->action->uuid); } pcmk__rsc_trace(then->rsc, "%s (%#.6x) then %s (%#.6x): type=%#.6x node=%s", first->uuid, first->flags, then->uuid, then->flags, other->flags, action_node_str(first)); if (first == other->action) { /* 'first' was not remapped (e.g. from 'start' to 'running'), which * could mean it is a non-resource action, a primitive resource * action, or already expanded. */ uint32_t first_flags, then_flags; first_flags = action_flags_for_ordering(first, then_node); then_flags = action_flags_for_ordering(then, first_node); changed |= update_action_for_ordering_flags(first, then, first_flags, then_flags, other, scheduler); /* 'first' was for a complex resource (clone, group, etc), * create a new dependency if necessary */ } else if (order_actions(first, then, other->flags)) { /* This was the first time 'first' and 'then' were associated, * start again to get the new actions_before list */ pcmk__set_updated_flags(changed, then, pcmk__updated_then); pcmk__rsc_trace(then->rsc, "Disabled ordering %s then %s in favor of %s " "then %s", other->action->uuid, then->uuid, first->uuid, then->uuid); other->flags = pcmk__ar_none; } if (pcmk_is_set(changed, pcmk__updated_first)) { crm_trace("Re-processing %s and its 'after' actions " "because it changed", first->uuid); for (GList *lpc2 = first->actions_after; lpc2 != NULL; lpc2 = lpc2->next) { pcmk__related_action_t *other = lpc2->data; pcmk__update_action_for_orderings(other->action, scheduler); } pcmk__update_action_for_orderings(first, scheduler); } } if (pcmk_is_set(then->flags, pcmk__action_min_runnable)) { if (last_flags == then->flags) { pcmk__clear_updated_flags(changed, then, pcmk__updated_then); } else { pcmk__set_updated_flags(changed, then, pcmk__updated_then); } } if (pcmk_is_set(changed, pcmk__updated_then)) { crm_trace("Re-processing %s and its 'after' actions because it changed", then->uuid); if (pcmk_is_set(last_flags, pcmk__action_runnable) && !pcmk_is_set(then->flags, pcmk__action_runnable)) { pcmk__block_colocation_dependents(then); } pcmk__update_action_for_orderings(then, scheduler); for (lpc = then->actions_after; lpc != NULL; lpc = lpc->next) { pcmk__related_action_t *other = lpc->data; pcmk__update_action_for_orderings(other->action, scheduler); } } } static inline bool is_primitive_action(const pcmk_action_t *action) { return (action != NULL) && pcmk__is_primitive(action->rsc); } /*! * \internal * \brief Clear a single action flag and set reason text * * \param[in,out] action Action whose flag should be cleared * \param[in] flag Action flag that should be cleared * \param[in] reason Action that is the reason why flag is being cleared */ #define clear_action_flag_because(action, flag, reason) do { \ if (pcmk_is_set((action)->flags, (flag))) { \ pcmk__clear_action_flags(action, flag); \ if ((action)->rsc != (reason)->rsc) { \ char *reason_text = pe__action2reason((reason), (flag)); \ pe_action_set_reason((action), reason_text, false); \ free(reason_text); \ } \ } \ } while (0) /*! * \internal * \brief Update actions in an asymmetric ordering * * If the "first" action in an asymmetric ordering is unrunnable, make the * "second" action unrunnable as well, if appropriate. * * \param[in] first 'First' action in an asymmetric ordering * \param[in,out] then 'Then' action in an asymmetric ordering */ static void handle_asymmetric_ordering(const pcmk_action_t *first, pcmk_action_t *then) { /* Only resource actions after an unrunnable 'first' action need updates for * asymmetric ordering. */ if ((then->rsc == NULL) || pcmk_is_set(first->flags, pcmk__action_runnable)) { return; } // Certain optional 'then' actions are unaffected by unrunnable 'first' if (pcmk_is_set(then->flags, pcmk__action_optional)) { enum rsc_role_e then_rsc_role; then_rsc_role = then->rsc->priv->fns->state(then->rsc, TRUE); if ((then_rsc_role == pcmk_role_stopped) && pcmk__str_eq(then->task, PCMK_ACTION_STOP, pcmk__str_none)) { /* If 'then' should stop after 'first' but is already stopped, the * ordering is irrelevant. */ return; } else if ((then_rsc_role >= pcmk_role_started) && pcmk__str_eq(then->task, PCMK_ACTION_START, pcmk__str_none) && pe__rsc_running_on_only(then->rsc, then->node)) { /* Similarly if 'then' should start after 'first' but is already * started on a single node. */ return; } } // 'First' can't run, so 'then' can't either clear_action_flag_because(then, pcmk__action_optional, first); clear_action_flag_because(then, pcmk__action_runnable, first); } /*! * \internal * \brief Set action bits appropriately when pcmk__ar_intermediate_stop is used * * \param[in,out] first 'First' action in ordering * \param[in,out] then 'Then' action in ordering * \param[in] filter What action flags to care about * * \note pcmk__ar_intermediate_stop is set for "stop resource before starting * it" and "stop later group member before stopping earlier group member" */ static void handle_restart_ordering(pcmk_action_t *first, pcmk_action_t *then, uint32_t filter) { const char *reason = NULL; CRM_ASSERT(is_primitive_action(first)); CRM_ASSERT(is_primitive_action(then)); // We need to update the action in two cases: // ... if 'then' is required if (pcmk_is_set(filter, pcmk__action_optional) && !pcmk_is_set(then->flags, pcmk__action_optional)) { reason = "restart"; } /* ... if 'then' is unrunnable action on same resource (if a resource * should restart but can't start, we still want to stop) */ if (pcmk_is_set(filter, pcmk__action_runnable) && !pcmk_is_set(then->flags, pcmk__action_runnable) && pcmk_is_set(then->rsc->flags, pcmk__rsc_managed) && (first->rsc == then->rsc)) { reason = "stop"; } if (reason == NULL) { return; } pcmk__rsc_trace(first->rsc, "Handling %s -> %s for %s", first->uuid, then->uuid, reason); // Make 'first' required if it is runnable if (pcmk_is_set(first->flags, pcmk__action_runnable)) { clear_action_flag_because(first, pcmk__action_optional, then); } // Make 'first' required if 'then' is required if (!pcmk_is_set(then->flags, pcmk__action_optional)) { clear_action_flag_because(first, pcmk__action_optional, then); } // Make 'first' unmigratable if 'then' is unmigratable if (!pcmk_is_set(then->flags, pcmk__action_migratable)) { clear_action_flag_because(first, pcmk__action_migratable, then); } // Make 'then' unrunnable if 'first' is required but unrunnable if (!pcmk_is_set(first->flags, pcmk__action_optional) && !pcmk_is_set(first->flags, pcmk__action_runnable)) { clear_action_flag_because(then, pcmk__action_runnable, first); } } /*! * \internal * \brief Update two actions according to an ordering between them * * Given information about an ordering of two actions, update the actions' flags * (and runnable_before members if appropriate) as appropriate for the ordering. * Effects may cascade to other orderings involving the actions as well. * * \param[in,out] first 'First' action in an ordering * \param[in,out] then 'Then' action in an ordering * \param[in] node If not NULL, limit scope of ordering to this node * (ignored) * \param[in] flags Action flags for \p first for ordering purposes * \param[in] filter Action flags to limit scope of certain updates (may * include pcmk__action_optional to affect only * mandatory actions, and pcmk__action_runnable to * affect only runnable actions) * \param[in] type Group of enum pcmk__action_relation_flags to apply * \param[in,out] scheduler Scheduler data * * \return Group of enum pcmk__updated flags indicating what was updated */ uint32_t pcmk__update_ordered_actions(pcmk_action_t *first, pcmk_action_t *then, const pcmk_node_t *node, uint32_t flags, uint32_t filter, uint32_t type, pcmk_scheduler_t *scheduler) { uint32_t changed = pcmk__updated_none; uint32_t then_flags = 0U; uint32_t first_flags = 0U; CRM_ASSERT((first != NULL) && (then != NULL) && (scheduler != NULL)); then_flags = then->flags; first_flags = first->flags; if (pcmk_is_set(type, pcmk__ar_asymmetric)) { handle_asymmetric_ordering(first, then); } if (pcmk_is_set(type, pcmk__ar_then_implies_first) && !pcmk_is_set(then_flags, pcmk__action_optional)) { // Then is required, and implies first should be, too if (pcmk_is_set(filter, pcmk__action_optional) && !pcmk_is_set(flags, pcmk__action_optional) && pcmk_is_set(first_flags, pcmk__action_optional)) { clear_action_flag_because(first, pcmk__action_optional, then); } if (pcmk_is_set(flags, pcmk__action_migratable) && !pcmk_is_set(then->flags, pcmk__action_migratable)) { clear_action_flag_because(first, pcmk__action_migratable, then); } } if (pcmk_is_set(type, pcmk__ar_promoted_then_implies_first) && (then->rsc != NULL) && (then->rsc->priv->orig_role == pcmk_role_promoted) && pcmk_is_set(filter, pcmk__action_optional) && !pcmk_is_set(then->flags, pcmk__action_optional)) { clear_action_flag_because(first, pcmk__action_optional, then); if (pcmk_is_set(first->flags, pcmk__action_migratable) && !pcmk_is_set(then->flags, pcmk__action_migratable)) { clear_action_flag_because(first, pcmk__action_migratable, then); } } if (pcmk_is_set(type, pcmk__ar_unmigratable_then_blocks) && pcmk_is_set(filter, pcmk__action_optional)) { if (!pcmk_all_flags_set(then->flags, pcmk__action_migratable |pcmk__action_runnable)) { clear_action_flag_because(first, pcmk__action_runnable, then); } if (!pcmk_is_set(then->flags, pcmk__action_optional)) { clear_action_flag_because(first, pcmk__action_optional, then); } } if (pcmk_is_set(type, pcmk__ar_first_else_then) && pcmk_is_set(filter, pcmk__action_optional) && !pcmk_is_set(first->flags, pcmk__action_runnable)) { clear_action_flag_because(then, pcmk__action_migratable, first); pcmk__clear_action_flags(then, pcmk__action_pseudo); } if (pcmk_is_set(type, pcmk__ar_unrunnable_first_blocks) && pcmk_is_set(filter, pcmk__action_runnable) && pcmk_is_set(then->flags, pcmk__action_runnable) && !pcmk_is_set(flags, pcmk__action_runnable)) { clear_action_flag_because(then, pcmk__action_runnable, first); clear_action_flag_because(then, pcmk__action_migratable, first); } if (pcmk_is_set(type, pcmk__ar_first_implies_then) && pcmk_is_set(filter, pcmk__action_optional) && pcmk_is_set(then->flags, pcmk__action_optional) && !pcmk_is_set(flags, pcmk__action_optional) && !pcmk_is_set(first->flags, pcmk__action_migratable)) { clear_action_flag_because(then, pcmk__action_optional, first); } if (pcmk_is_set(type, pcmk__ar_intermediate_stop)) { handle_restart_ordering(first, then, filter); } if (then_flags != then->flags) { pcmk__set_updated_flags(changed, first, pcmk__updated_then); pcmk__rsc_trace(then->rsc, "%s on %s: flags are now %#.6x (was %#.6x) " "because of 'first' %s (%#.6x)", then->uuid, pcmk__node_name(then->node), then->flags, then_flags, first->uuid, first->flags); if ((then->rsc != NULL) && (then->rsc->priv->parent != NULL)) { // Required to handle "X_stop then X_start" for cloned groups pcmk__update_action_for_orderings(then, scheduler); } } if (first_flags != first->flags) { pcmk__set_updated_flags(changed, first, pcmk__updated_first); pcmk__rsc_trace(first->rsc, "%s on %s: flags are now %#.6x (was %#.6x) " "because of 'then' %s (%#.6x)", first->uuid, pcmk__node_name(first->node), first->flags, first_flags, then->uuid, then->flags); } return changed; } /*! * \internal * \brief Trace-log an action (optionally with its dependent actions) * * \param[in] pre_text If not NULL, prefix the log with this plus ": " * \param[in] action Action to log * \param[in] details If true, recursively log dependent actions */ void pcmk__log_action(const char *pre_text, const pcmk_action_t *action, bool details) { const char *node_uname = NULL; const char *node_uuid = NULL; const char *desc = NULL; CRM_CHECK(action != NULL, return); if (!pcmk_is_set(action->flags, pcmk__action_pseudo)) { if (action->node != NULL) { node_uname = action->node->priv->name; node_uuid = action->node->priv->id; } else { node_uname = ""; } } switch (pcmk__parse_action(action->task)) { case pcmk__action_fence: case pcmk__action_shutdown: if (pcmk_is_set(action->flags, pcmk__action_pseudo)) { desc = "Pseudo "; } else if (pcmk_is_set(action->flags, pcmk__action_optional)) { desc = "Optional "; } else if (!pcmk_is_set(action->flags, pcmk__action_runnable)) { desc = "!!Non-Startable!! "; } else { desc = "(Provisional) "; } crm_trace("%s%s%sAction %d: %s%s%s%s%s%s", ((pre_text == NULL)? "" : pre_text), ((pre_text == NULL)? "" : ": "), desc, action->id, action->uuid, (node_uname? "\ton " : ""), (node_uname? node_uname : ""), (node_uuid? "\t\t(" : ""), (node_uuid? node_uuid : ""), (node_uuid? ")" : "")); break; default: if (pcmk_is_set(action->flags, pcmk__action_optional)) { desc = "Optional "; } else if (pcmk_is_set(action->flags, pcmk__action_pseudo)) { desc = "Pseudo "; } else if (!pcmk_is_set(action->flags, pcmk__action_runnable)) { desc = "!!Non-Startable!! "; } else { desc = "(Provisional) "; } crm_trace("%s%s%sAction %d: %s %s%s%s%s%s%s", ((pre_text == NULL)? "" : pre_text), ((pre_text == NULL)? "" : ": "), desc, action->id, action->uuid, (action->rsc? action->rsc->id : ""), (node_uname? "\ton " : ""), (node_uname? node_uname : ""), (node_uuid? "\t\t(" : ""), (node_uuid? node_uuid : ""), (node_uuid? ")" : "")); break; } if (details) { const GList *iter = NULL; const pcmk__related_action_t *other = NULL; crm_trace("\t\t====== Preceding Actions"); for (iter = action->actions_before; iter != NULL; iter = iter->next) { other = (const pcmk__related_action_t *) iter->data; pcmk__log_action("\t\t", other->action, false); } crm_trace("\t\t====== Subsequent Actions"); for (iter = action->actions_after; iter != NULL; iter = iter->next) { other = (const pcmk__related_action_t *) iter->data; pcmk__log_action("\t\t", other->action, false); } crm_trace("\t\t====== End"); } else { crm_trace("\t\t(before=%d, after=%d)", g_list_length(action->actions_before), g_list_length(action->actions_after)); } } /*! * \internal * \brief Create a new shutdown action for a node * * \param[in,out] node Node being shut down * * \return Newly created shutdown action for \p node */ pcmk_action_t * pcmk__new_shutdown_action(pcmk_node_t *node) { char *shutdown_id = NULL; pcmk_action_t *shutdown_op = NULL; CRM_ASSERT(node != NULL); shutdown_id = crm_strdup_printf("%s-%s", PCMK_ACTION_DO_SHUTDOWN, node->priv->name); shutdown_op = custom_action(NULL, shutdown_id, PCMK_ACTION_DO_SHUTDOWN, node, FALSE, node->priv->scheduler); pcmk__order_stops_before_shutdown(node, shutdown_op); pcmk__insert_meta(shutdown_op, PCMK__META_OP_NO_WAIT, PCMK_VALUE_TRUE); return shutdown_op; } /*! * \internal * \brief Calculate and add an operation digest to XML * * Calculate an operation digest, which enables us to later determine when a * restart is needed due to the resource's parameters being changed, and add it * to given XML. * * \param[in] op Operation result from executor * \param[in,out] update XML to add digest to */ static void add_op_digest_to_xml(const lrmd_event_data_t *op, xmlNode *update) { char *digest = NULL; xmlNode *args_xml = NULL; if (op->params == NULL) { return; } args_xml = pcmk__xe_create(NULL, PCMK_XE_PARAMETERS); g_hash_table_foreach(op->params, hash2field, args_xml); pcmk__filter_op_for_digest(args_xml); digest = pcmk__digest_operation(args_xml); crm_xml_add(update, PCMK__XA_OP_DIGEST, digest); pcmk__xml_free(args_xml); free(digest); } #define FAKE_TE_ID "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" /*! * \internal * \brief Create XML for resource operation history update * * \param[in,out] parent Parent XML node to add to * \param[in,out] op Operation event data * \param[in] caller_version DC feature set * \param[in] target_rc Expected result of operation * \param[in] node Name of node on which operation was performed * \param[in] origin Arbitrary description of update source * * \return Newly created XML node for history update */ xmlNode * pcmk__create_history_xml(xmlNode *parent, lrmd_event_data_t *op, const char *caller_version, int target_rc, const char *node, const char *origin) { char *key = NULL; char *magic = NULL; char *op_id = NULL; char *op_id_additional = NULL; char *local_user_data = NULL; const char *exit_reason = NULL; xmlNode *xml_op = NULL; const char *task = NULL; CRM_CHECK(op != NULL, return NULL); crm_trace("Creating history XML for %s-interval %s action for %s on %s " "(DC version: %s, origin: %s)", pcmk__readable_interval(op->interval_ms), op->op_type, op->rsc_id, ((node == NULL)? "no node" : node), caller_version, origin); task = op->op_type; /* Record a successful agent reload as a start, and a failed one as a * monitor, to make life easier for the scheduler when determining the * current state. * * @COMPAT We should check "reload" here only if the operation was for a * pre-OCF-1.1 resource agent, but we don't know that here, and we should * only ever get results for actions scheduled by us, so we can reasonably * assume any "reload" is actually a pre-1.1 agent reload. */ if (pcmk__str_any_of(task, PCMK_ACTION_RELOAD, PCMK_ACTION_RELOAD_AGENT, NULL)) { if (op->op_status == PCMK_EXEC_DONE) { task = PCMK_ACTION_START; } else { task = PCMK_ACTION_MONITOR; } } key = pcmk__op_key(op->rsc_id, task, op->interval_ms); if (pcmk__str_eq(task, PCMK_ACTION_NOTIFY, pcmk__str_none)) { const char *n_type = crm_meta_value(op->params, "notify_type"); const char *n_task = crm_meta_value(op->params, "notify_operation"); CRM_LOG_ASSERT(n_type != NULL); CRM_LOG_ASSERT(n_task != NULL); op_id = pcmk__notify_key(op->rsc_id, n_type, n_task); if (op->op_status != PCMK_EXEC_PENDING) { /* Ignore notify errors. * * @TODO It might be better to keep the correct result here, and * ignore it in process_graph_event(). */ lrmd__set_result(op, PCMK_OCF_OK, PCMK_EXEC_DONE, NULL); } /* Migration history is preserved separately, which usually matters for * multiple nodes and is important for future cluster transitions. */ } else if (pcmk__str_any_of(op->op_type, PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM, NULL)) { op_id = strdup(key); } else if (did_rsc_op_fail(op, target_rc)) { op_id = pcmk__op_key(op->rsc_id, "last_failure", 0); if (op->interval_ms == 0) { /* Ensure 'last' gets updated, in case PCMK_META_RECORD_PENDING is * true */ op_id_additional = pcmk__op_key(op->rsc_id, "last", 0); } exit_reason = op->exit_reason; } else if (op->interval_ms > 0) { op_id = strdup(key); } else { op_id = pcmk__op_key(op->rsc_id, "last", 0); } again: xml_op = pcmk__xe_first_child(parent, PCMK__XE_LRM_RSC_OP, PCMK_XA_ID, op_id); if (xml_op == NULL) { xml_op = pcmk__xe_create(parent, PCMK__XE_LRM_RSC_OP); } if (op->user_data == NULL) { crm_debug("Generating fake transition key for: " PCMK__OP_FMT " %d from %s", op->rsc_id, op->op_type, op->interval_ms, op->call_id, origin); local_user_data = pcmk__transition_key(-1, op->call_id, target_rc, FAKE_TE_ID); op->user_data = local_user_data; } if (magic == NULL) { magic = crm_strdup_printf("%d:%d;%s", op->op_status, op->rc, (const char *) op->user_data); } crm_xml_add(xml_op, PCMK_XA_ID, op_id); crm_xml_add(xml_op, PCMK__XA_OPERATION_KEY, key); crm_xml_add(xml_op, PCMK_XA_OPERATION, task); crm_xml_add(xml_op, PCMK_XA_CRM_DEBUG_ORIGIN, origin); crm_xml_add(xml_op, PCMK_XA_CRM_FEATURE_SET, caller_version); crm_xml_add(xml_op, PCMK__XA_TRANSITION_KEY, op->user_data); crm_xml_add(xml_op, PCMK__XA_TRANSITION_MAGIC, magic); crm_xml_add(xml_op, PCMK_XA_EXIT_REASON, pcmk__s(exit_reason, "")); crm_xml_add(xml_op, PCMK__META_ON_NODE, node); // For context during triage crm_xml_add_int(xml_op, PCMK__XA_CALL_ID, op->call_id); crm_xml_add_int(xml_op, PCMK__XA_RC_CODE, op->rc); crm_xml_add_int(xml_op, PCMK__XA_OP_STATUS, op->op_status); crm_xml_add_ms(xml_op, PCMK_META_INTERVAL, op->interval_ms); if ((op->t_run > 0) || (op->t_rcchange > 0) || (op->exec_time > 0) || (op->queue_time > 0)) { crm_trace("Timing data (" PCMK__OP_FMT "): " "last=%lld change=%lld exec=%u queue=%u", op->rsc_id, op->op_type, op->interval_ms, (long long) op->t_run, (long long) op->t_rcchange, op->exec_time, op->queue_time); if ((op->interval_ms > 0) && (op->t_rcchange > 0)) { // Recurring ops may have changed rc after initial run crm_xml_add_ll(xml_op, PCMK_XA_LAST_RC_CHANGE, (long long) op->t_rcchange); } else { crm_xml_add_ll(xml_op, PCMK_XA_LAST_RC_CHANGE, (long long) op->t_run); } crm_xml_add_int(xml_op, PCMK_XA_EXEC_TIME, op->exec_time); crm_xml_add_int(xml_op, PCMK_XA_QUEUE_TIME, op->queue_time); } if (pcmk__str_any_of(op->op_type, PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM, NULL)) { /* Record PCMK__META_MIGRATE_SOURCE and PCMK__META_MIGRATE_TARGET always * for migrate ops. */ const char *name = PCMK__META_MIGRATE_SOURCE; crm_xml_add(xml_op, name, crm_meta_value(op->params, name)); name = PCMK__META_MIGRATE_TARGET; crm_xml_add(xml_op, name, crm_meta_value(op->params, name)); } add_op_digest_to_xml(op, xml_op); if (op_id_additional) { free(op_id); op_id = op_id_additional; op_id_additional = NULL; goto again; } if (local_user_data) { free(local_user_data); op->user_data = NULL; } free(magic); free(op_id); free(key); return xml_op; } /*! * \internal * \brief Check whether an action shutdown-locks a resource to a node * * If the PCMK_OPT_SHUTDOWN_LOCK cluster property is set, resources will not be * recovered on a different node if cleanly stopped, and may start only on that * same node. This function checks whether that applies to a given action, so * that the transition graph can be marked appropriately. * * \param[in] action Action to check * * \return true if \p action locks its resource to the action's node, * otherwise false */ bool pcmk__action_locks_rsc_to_node(const pcmk_action_t *action) { // Only resource actions taking place on resource's lock node are locked if ((action == NULL) || (action->rsc == NULL) || !pcmk__same_node(action->node, action->rsc->priv->lock_node)) { return false; } /* During shutdown, only stops are locked (otherwise, another action such as * a demote would cause the controller to clear the lock) */ if (action->node->details->shutdown && (action->task != NULL) && (strcmp(action->task, PCMK_ACTION_STOP) != 0)) { return false; } return true; } /* lowest to highest */ static gint sort_action_id(gconstpointer a, gconstpointer b) { const pcmk__related_action_t *action_wrapper2 = a; const pcmk__related_action_t *action_wrapper1 = b; if (a == NULL) { return 1; } if (b == NULL) { return -1; } if (action_wrapper1->action->id < action_wrapper2->action->id) { return 1; } if (action_wrapper1->action->id > action_wrapper2->action->id) { return -1; } return 0; } /*! * \internal * \brief Remove any duplicate action inputs, merging action flags * * \param[in,out] action Action whose inputs should be checked */ void pcmk__deduplicate_action_inputs(pcmk_action_t *action) { GList *item = NULL; GList *next = NULL; pcmk__related_action_t *last_input = NULL; action->actions_before = g_list_sort(action->actions_before, sort_action_id); for (item = action->actions_before; item != NULL; item = next) { pcmk__related_action_t *input = item->data; next = item->next; if ((last_input != NULL) && (input->action->id == last_input->action->id)) { crm_trace("Input %s (%d) duplicate skipped for action %s (%d)", input->action->uuid, input->action->id, action->uuid, action->id); /* For the purposes of scheduling, the ordering flags no longer * matter, but crm_simulate looks at certain ones when creating a * dot graph. Combining the flags is sufficient for that purpose. */ pcmk__set_relation_flags(last_input->flags, input->flags); if (input->graphed) { last_input->graphed = true; } free(item->data); action->actions_before = g_list_delete_link(action->actions_before, item); } else { last_input = input; input->graphed = false; } } } /*! * \internal * \brief Output all scheduled actions * * \param[in,out] scheduler Scheduler data */ void pcmk__output_actions(pcmk_scheduler_t *scheduler) { pcmk__output_t *out = scheduler->priv->out; // Output node (non-resource) actions for (GList *iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { char *node_name = NULL; char *task = NULL; pcmk_action_t *action = (pcmk_action_t *) iter->data; if (action->rsc != NULL) { continue; // Resource actions will be output later } else if (pcmk_is_set(action->flags, pcmk__action_optional)) { continue; // This action was not scheduled } if (pcmk__str_eq(action->task, PCMK_ACTION_DO_SHUTDOWN, pcmk__str_none)) { task = strdup("Shutdown"); } else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none)) { const char *op = g_hash_table_lookup(action->meta, PCMK__META_STONITH_ACTION); task = crm_strdup_printf("Fence (%s)", op); } else { continue; // Don't display other node action types } if (pcmk__is_guest_or_bundle_node(action->node)) { const pcmk_resource_t *remote = action->node->priv->remote; node_name = crm_strdup_printf("%s (resource: %s)", pcmk__node_name(action->node), remote->priv->launcher->id); } else if (action->node != NULL) { node_name = crm_strdup_printf("%s", pcmk__node_name(action->node)); } out->message(out, "node-action", task, node_name, action->reason); free(node_name); free(task); } // Output resource actions - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; rsc->priv->cmds->output_actions(rsc); } } /*! * \internal * \brief Get action name needed to compare digest for configuration changes * * \param[in] task Action name from history * \param[in] interval_ms Action interval (in milliseconds) * * \return Action name whose digest should be compared */ static const char * task_for_digest(const char *task, guint interval_ms) { /* Certain actions need to be compared against the parameters used to start * the resource. */ if ((interval_ms == 0) && pcmk__str_any_of(task, PCMK_ACTION_MONITOR, PCMK_ACTION_MIGRATE_FROM, PCMK_ACTION_PROMOTE, NULL)) { task = PCMK_ACTION_START; } return task; } /*! * \internal * \brief Check whether only sanitized parameters to an action changed * * When collecting CIB files for troubleshooting, crm_report will mask * sensitive resource parameters. If simulations were run using that, affected * resources would appear to need a restart, which would complicate * troubleshooting. To avoid that, we save a "secure digest" of non-sensitive * parameters. This function used that digest to check whether only masked * parameters are different. * * \param[in] xml_op Resource history entry with secure digest * \param[in] digest_data Operation digest information being compared * \param[in] scheduler Scheduler data * * \return true if only sanitized parameters changed, otherwise false */ static bool only_sanitized_changed(const xmlNode *xml_op, const pcmk__op_digest_t *digest_data, const pcmk_scheduler_t *scheduler) { const char *digest_secure = NULL; if (!pcmk_is_set(scheduler->flags, pcmk__sched_sanitized)) { // The scheduler is not being run as a simulation return false; } digest_secure = crm_element_value(xml_op, PCMK__XA_OP_SECURE_DIGEST); return (digest_data->rc != pcmk__digest_match) && (digest_secure != NULL) && (digest_data->digest_secure_calc != NULL) && (strcmp(digest_data->digest_secure_calc, digest_secure) == 0); } /*! * \internal * \brief Force a restart due to a configuration change * * \param[in,out] rsc Resource that action is for * \param[in] task Name of action whose configuration changed * \param[in] interval_ms Action interval (in milliseconds) * \param[in,out] node Node where resource should be restarted */ static void force_restart(pcmk_resource_t *rsc, const char *task, guint interval_ms, pcmk_node_t *node) { char *key = pcmk__op_key(rsc->id, task, interval_ms); pcmk_action_t *required = custom_action(rsc, key, task, NULL, FALSE, rsc->priv->scheduler); pe_action_set_reason(required, "resource definition change", true); trigger_unfencing(rsc, node, "Device parameters changed", NULL, rsc->priv->scheduler); } /*! * \internal * \brief Schedule a reload of a resource on a node * * \param[in,out] data Resource to reload * \param[in] user_data Where resource should be reloaded */ static void schedule_reload(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; const pcmk_node_t *node = user_data; pcmk_action_t *reload = NULL; // For collective resources, just call recursively for children if (rsc->priv->variant > pcmk__rsc_variant_primitive) { g_list_foreach(rsc->priv->children, schedule_reload, user_data); return; } // Skip the reload in certain situations if ((node == NULL) || !pcmk_is_set(rsc->flags, pcmk__rsc_managed) || pcmk_is_set(rsc->flags, pcmk__rsc_failed)) { pcmk__rsc_trace(rsc, "Skip reload of %s:%s%s %s", rsc->id, pcmk_is_set(rsc->flags, pcmk__rsc_managed)? "" : " unmanaged", pcmk_is_set(rsc->flags, pcmk__rsc_failed)? " failed" : "", (node == NULL)? "inactive" : node->priv->name); return; } /* If a resource's configuration changed while a start was pending, * force a full restart instead of a reload. */ if (pcmk_is_set(rsc->flags, pcmk__rsc_start_pending)) { pcmk__rsc_trace(rsc, "%s: preventing agent reload because start pending", rsc->id); custom_action(rsc, stop_key(rsc), PCMK_ACTION_STOP, node, FALSE, rsc->priv->scheduler); return; } // Schedule the reload pcmk__set_rsc_flags(rsc, pcmk__rsc_reload); reload = custom_action(rsc, reload_key(rsc), PCMK_ACTION_RELOAD_AGENT, node, FALSE, rsc->priv->scheduler); pe_action_set_reason(reload, "resource definition change", FALSE); // Set orderings so that a required stop or demote cancels the reload pcmk__new_ordering(NULL, NULL, reload, rsc, stop_key(rsc), NULL, pcmk__ar_ordered|pcmk__ar_then_cancels_first, rsc->priv->scheduler); pcmk__new_ordering(NULL, NULL, reload, rsc, demote_key(rsc), NULL, pcmk__ar_ordered|pcmk__ar_then_cancels_first, rsc->priv->scheduler); } /*! * \internal * \brief Handle any configuration change for an action * * Given an action from resource history, if the resource's configuration * changed since the action was done, schedule any actions needed (restart, * reload, unfencing, rescheduling recurring actions, etc.). * * \param[in,out] rsc Resource that action is for * \param[in,out] node Node that action was on * \param[in] xml_op Action XML from resource history * * \return true if action configuration changed, otherwise false */ bool pcmk__check_action_config(pcmk_resource_t *rsc, pcmk_node_t *node, const xmlNode *xml_op) { guint interval_ms = 0; const char *task = NULL; const pcmk__op_digest_t *digest_data = NULL; CRM_CHECK((rsc != NULL) && (node != NULL) && (xml_op != NULL), return false); task = crm_element_value(xml_op, PCMK_XA_OPERATION); CRM_CHECK(task != NULL, return false); crm_element_value_ms(xml_op, PCMK_META_INTERVAL, &interval_ms); // If this is a recurring action, check whether it has been orphaned if (interval_ms > 0) { if (pcmk__find_action_config(rsc, task, interval_ms, false) != NULL) { pcmk__rsc_trace(rsc, "%s-interval %s for %s on %s is in configuration", pcmk__readable_interval(interval_ms), task, rsc->id, pcmk__node_name(node)); } else if (pcmk_is_set(rsc->priv->scheduler->flags, pcmk__sched_cancel_removed_actions)) { pcmk__schedule_cancel(rsc, crm_element_value(xml_op, PCMK__XA_CALL_ID), task, interval_ms, node, "orphan"); return true; } else { pcmk__rsc_debug(rsc, "%s-interval %s for %s on %s is orphaned", pcmk__readable_interval(interval_ms), task, rsc->id, pcmk__node_name(node)); return true; } } crm_trace("Checking %s-interval %s for %s on %s for configuration changes", pcmk__readable_interval(interval_ms), task, rsc->id, pcmk__node_name(node)); task = task_for_digest(task, interval_ms); digest_data = rsc_action_digest_cmp(rsc, xml_op, node, rsc->priv->scheduler); if (only_sanitized_changed(xml_op, digest_data, rsc->priv->scheduler)) { if (!pcmk__is_daemon && (rsc->priv->scheduler->priv->out != NULL)) { pcmk__output_t *out = rsc->priv->scheduler->priv->out; out->info(out, "Only 'private' parameters to %s-interval %s for %s " "on %s changed: %s", pcmk__readable_interval(interval_ms), task, rsc->id, pcmk__node_name(node), crm_element_value(xml_op, PCMK__XA_TRANSITION_MAGIC)); } return false; } switch (digest_data->rc) { case pcmk__digest_restart: crm_log_xml_debug(digest_data->params_restart, "params:restart"); force_restart(rsc, task, interval_ms, node); return true; case pcmk__digest_unknown: case pcmk__digest_mismatch: // Changes that can potentially be handled by an agent reload if (interval_ms > 0) { /* Recurring actions aren't reloaded per se, they are just * re-scheduled so the next run uses the new parameters. * The old instance will be cancelled automatically. */ crm_log_xml_debug(digest_data->params_all, "params:reschedule"); pcmk__reschedule_recurring(rsc, task, interval_ms, node); } else if (crm_element_value(xml_op, PCMK__XA_OP_RESTART_DIGEST) != NULL) { // Agent supports reload, so use it trigger_unfencing(rsc, node, "Device parameters changed (reload)", NULL, rsc->priv->scheduler); crm_log_xml_debug(digest_data->params_all, "params:reload"); schedule_reload((gpointer) rsc, (gpointer) node); } else { pcmk__rsc_trace(rsc, "Restarting %s " "because agent doesn't support reload", rsc->id); crm_log_xml_debug(digest_data->params_restart, "params:restart"); force_restart(rsc, task, interval_ms, node); } return true; default: break; } return false; } /*! * \internal * \brief Create a list of resource's action history entries, sorted by call ID * * \param[in] rsc_entry Resource's \c PCMK__XE_LRM_RSC_OP status XML * \param[out] start_index Where to store index of start-like action, if any * \param[out] stop_index Where to store index of stop action, if any */ static GList * rsc_history_as_list(const xmlNode *rsc_entry, int *start_index, int *stop_index) { GList *ops = NULL; for (xmlNode *rsc_op = pcmk__xe_first_child(rsc_entry, PCMK__XE_LRM_RSC_OP, NULL, NULL); rsc_op != NULL; rsc_op = pcmk__xe_next_same(rsc_op)) { ops = g_list_prepend(ops, rsc_op); } ops = g_list_sort(ops, sort_op_by_callid); calculate_active_ops(ops, start_index, stop_index); return ops; } /*! * \internal * \brief Process a resource's action history from the CIB status * * Given a resource's action history, if the resource's configuration * changed since the actions were done, schedule any actions needed (restart, * reload, unfencing, rescheduling recurring actions, clean-up, etc.). * (This also cancels recurring actions for maintenance mode, which is not * entirely related but convenient to do here.) * * \param[in] rsc_entry Resource's \c PCMK__XE_LRM_RSC_OP status XML * \param[in,out] rsc Resource whose history is being processed * \param[in,out] node Node whose history is being processed */ static void process_rsc_history(const xmlNode *rsc_entry, pcmk_resource_t *rsc, pcmk_node_t *node) { int offset = -1; int stop_index = 0; int start_index = 0; GList *sorted_op_list = NULL; if (pcmk_is_set(rsc->flags, pcmk__rsc_removed)) { if (pcmk__is_anonymous_clone(pe__const_top_resource(rsc, false))) { pcmk__rsc_trace(rsc, "Skipping configuration check " "for orphaned clone instance %s", rsc->id); } else { pcmk__rsc_trace(rsc, "Skipping configuration check and scheduling " "clean-up for orphaned resource %s", rsc->id); pcmk__schedule_cleanup(rsc, node, false); } return; } if (pe_find_node_id(rsc->priv->active_nodes, node->priv->id) == NULL) { if (pcmk__rsc_agent_changed(rsc, node, rsc_entry, false)) { pcmk__schedule_cleanup(rsc, node, false); } pcmk__rsc_trace(rsc, "Skipping configuration check for %s " "because no longer active on %s", rsc->id, pcmk__node_name(node)); return; } pcmk__rsc_trace(rsc, "Checking for configuration changes for %s on %s", rsc->id, pcmk__node_name(node)); if (pcmk__rsc_agent_changed(rsc, node, rsc_entry, true)) { pcmk__schedule_cleanup(rsc, node, false); } sorted_op_list = rsc_history_as_list(rsc_entry, &start_index, &stop_index); if (start_index < stop_index) { return; // Resource is stopped } for (GList *iter = sorted_op_list; iter != NULL; iter = iter->next) { xmlNode *rsc_op = (xmlNode *) iter->data; const char *task = NULL; guint interval_ms = 0; if (++offset < start_index) { // Skip actions that happened before a start continue; } task = crm_element_value(rsc_op, PCMK_XA_OPERATION); crm_element_value_ms(rsc_op, PCMK_META_INTERVAL, &interval_ms); if ((interval_ms > 0) && (pcmk_is_set(rsc->flags, pcmk__rsc_maintenance) || node->details->maintenance)) { // Maintenance mode cancels recurring operations pcmk__schedule_cancel(rsc, crm_element_value(rsc_op, PCMK__XA_CALL_ID), task, interval_ms, node, "maintenance mode"); } else if ((interval_ms > 0) || pcmk__strcase_any_of(task, PCMK_ACTION_MONITOR, PCMK_ACTION_START, PCMK_ACTION_PROMOTE, PCMK_ACTION_MIGRATE_FROM, NULL)) { /* If a resource operation failed, and the operation's definition * has changed, clear any fail count so they can be retried fresh. */ if (pe__bundle_needs_remote_name(rsc)) { /* We haven't assigned resources to nodes yet, so if the * REMOTE_CONTAINER_HACK is used, we may calculate the digest * based on the literal "#uname" value rather than the properly * substituted value. That would mistakenly make the action * definition appear to have been changed. Defer the check until * later in this case. */ pe__add_param_check(rsc_op, rsc, node, pcmk__check_active, rsc->priv->scheduler); } else if (pcmk__check_action_config(rsc, node, rsc_op) && (pe_get_failcount(node, rsc, NULL, pcmk__fc_effective, NULL) != 0)) { pe__clear_failcount(rsc, node, "action definition changed", rsc->priv->scheduler); } } } g_list_free(sorted_op_list); } /*! * \internal * \brief Process a node's action history from the CIB status * * Given a node's resource history, if the resource's configuration changed * since the actions were done, schedule any actions needed (restart, * reload, unfencing, rescheduling recurring actions, clean-up, etc.). * (This also cancels recurring actions for maintenance mode, which is not * entirely related but convenient to do here.) * * \param[in,out] node Node whose history is being processed * \param[in] lrm_rscs Node's \c PCMK__XE_LRM_RESOURCES from CIB status XML */ static void process_node_history(pcmk_node_t *node, const xmlNode *lrm_rscs) { crm_trace("Processing node history for %s", pcmk__node_name(node)); for (const xmlNode *rsc_entry = pcmk__xe_first_child(lrm_rscs, PCMK__XE_LRM_RESOURCE, NULL, NULL); rsc_entry != NULL; rsc_entry = pcmk__xe_next_same(rsc_entry)) { if (rsc_entry->children != NULL) { GList *result = pcmk__rscs_matching_id(pcmk__xe_id(rsc_entry), node->priv->scheduler); for (GList *iter = result; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (pcmk__is_primitive(rsc)) { process_rsc_history(rsc_entry, rsc, node); } } g_list_free(result); } } } // XPath to find a node's resource history #define XPATH_NODE_HISTORY "/" PCMK_XE_CIB "/" PCMK_XE_STATUS \ "/" PCMK__XE_NODE_STATE \ "[@" PCMK_XA_UNAME "='%s']" \ "/" PCMK__XE_LRM "/" PCMK__XE_LRM_RESOURCES /*! * \internal * \brief Process any resource configuration changes in the CIB status * * Go through all nodes' resource history, and if a resource's configuration * changed since its actions were done, schedule any actions needed (restart, * reload, unfencing, rescheduling recurring actions, clean-up, etc.). * (This also cancels recurring actions for maintenance mode, which is not * entirely related but convenient to do here.) * * \param[in,out] scheduler Scheduler data */ void pcmk__handle_rsc_config_changes(pcmk_scheduler_t *scheduler) { crm_trace("Check resource and action configuration for changes"); /* Rather than iterate through the status section, iterate through the nodes * and search for the appropriate status subsection for each. This skips * orphaned nodes and lets us eliminate some cases before searching the XML. */ for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; /* Don't bother checking actions for a node that can't run actions ... * unless it's in maintenance mode, in which case we still need to * cancel any existing recurring monitors. */ if (node->details->maintenance || pcmk__node_available(node, false, false)) { char *xpath = NULL; xmlNode *history = NULL; xpath = crm_strdup_printf(XPATH_NODE_HISTORY, node->priv->name); history = get_xpath_object(xpath, scheduler->input, LOG_NEVER); free(xpath); process_node_history(node, history); } } } diff --git a/lib/pacemaker/pcmk_sched_colocation.c b/lib/pacemaker/pcmk_sched_colocation.c index 4e7445650d..fbfcdd19bf 100644 --- a/lib/pacemaker/pcmk_sched_colocation.c +++ b/lib/pacemaker/pcmk_sched_colocation.c @@ -1,1992 +1,1997 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include "crm/common/util.h" #include "crm/common/xml_internal.h" #include "crm/common/xml.h" #include "libpacemaker_private.h" // Used to temporarily mark a node as unusable #define INFINITY_HACK (PCMK_SCORE_INFINITY * -100) /*! * \internal * \brief Get the value of a colocation's node attribute * * \param[in] node Node on which to look up the attribute * \param[in] attr Name of attribute to look up * \param[in] rsc Resource on whose behalf to look up the attribute * * \return Value of \p attr on \p node or on the host of \p node, as appropriate */ const char * pcmk__colocation_node_attr(const pcmk_node_t *node, const char *attr, const pcmk_resource_t *rsc) { const char *target = NULL; /* A resource colocated with a bundle or its primitive can't run on the * bundle node itself (where only the primitive, if any, can run). Instead, * we treat it as a colocation with the bundle's containers, so always look * up colocation node attributes on the container host. */ if (pcmk__is_bundle_node(node) && pcmk__is_bundled(rsc) && (pe__const_top_resource(rsc, false) == pe__bundled_resource(rsc))) { target = PCMK_VALUE_HOST; } else if (rsc != NULL) { target = g_hash_table_lookup(rsc->priv->meta, PCMK_META_CONTAINER_ATTRIBUTE_TARGET); } return pcmk__node_attr(node, attr, target, pcmk__rsc_node_assigned); } /*! * \internal * \brief Compare two colocations according to priority * * Compare two colocations according to the order in which they should be * considered, based on either their dependent resources or their primary * resources -- preferring (in order): * * Colocation that is not \c NULL * * Colocation whose resource has higher priority * * Colocation whose resource is of a higher-level variant * (bundle > clone > group > primitive) * * Colocation whose resource is promotable, if both are clones * * Colocation whose resource has lower ID in lexicographic order * * \param[in] colocation1 First colocation to compare * \param[in] colocation2 Second colocation to compare * \param[in] dependent If \c true, compare colocations by dependent * priority; otherwise compare them by primary priority * * \return A negative number if \p colocation1 should be considered first, * a positive number if \p colocation2 should be considered first, * or 0 if order doesn't matter */ static gint cmp_colocation_priority(const pcmk__colocation_t *colocation1, const pcmk__colocation_t *colocation2, bool dependent) { const pcmk_resource_t *rsc1 = NULL; const pcmk_resource_t *rsc2 = NULL; if (colocation1 == NULL) { return 1; } if (colocation2 == NULL) { return -1; } if (dependent) { rsc1 = colocation1->dependent; rsc2 = colocation2->dependent; CRM_ASSERT(colocation1->primary != NULL); } else { rsc1 = colocation1->primary; rsc2 = colocation2->primary; CRM_ASSERT(colocation1->dependent != NULL); } CRM_ASSERT((rsc1 != NULL) && (rsc2 != NULL)); if (rsc1->priv->priority > rsc2->priv->priority) { return -1; } if (rsc1->priv->priority < rsc2->priv->priority) { return 1; } // Process clones before primitives and groups if (rsc1->priv->variant > rsc2->priv->variant) { return -1; } if (rsc1->priv->variant < rsc2->priv->variant) { return 1; } /* @COMPAT scheduler <2.0.0: Process promotable clones before nonpromotable * clones (probably unnecessary, but avoids having to update regression * tests) */ if (pcmk__is_clone(rsc1)) { if (pcmk_is_set(rsc1->flags, pcmk__rsc_promotable) && !pcmk_is_set(rsc2->flags, pcmk__rsc_promotable)) { return -1; } if (!pcmk_is_set(rsc1->flags, pcmk__rsc_promotable) && pcmk_is_set(rsc2->flags, pcmk__rsc_promotable)) { return 1; } } return strcmp(rsc1->id, rsc2->id); } /*! * \internal * \brief Compare two colocations according to priority based on dependents * * Compare two colocations according to the order in which they should be * considered, based on their dependent resources -- preferring (in order): * * Colocation that is not \c NULL * * Colocation whose resource has higher priority * * Colocation whose resource is of a higher-level variant * (bundle > clone > group > primitive) * * Colocation whose resource is promotable, if both are clones * * Colocation whose resource has lower ID in lexicographic order * * \param[in] a First colocation to compare * \param[in] b Second colocation to compare * * \return A negative number if \p a should be considered first, * a positive number if \p b should be considered first, * or 0 if order doesn't matter */ static gint cmp_dependent_priority(gconstpointer a, gconstpointer b) { return cmp_colocation_priority(a, b, true); } /*! * \internal * \brief Compare two colocations according to priority based on primaries * * Compare two colocations according to the order in which they should be * considered, based on their primary resources -- preferring (in order): * * Colocation that is not \c NULL * * Colocation whose primary has higher priority * * Colocation whose primary is of a higher-level variant * (bundle > clone > group > primitive) * * Colocation whose primary is promotable, if both are clones * * Colocation whose primary has lower ID in lexicographic order * * \param[in] a First colocation to compare * \param[in] b Second colocation to compare * * \return A negative number if \p a should be considered first, * a positive number if \p b should be considered first, * or 0 if order doesn't matter */ static gint cmp_primary_priority(gconstpointer a, gconstpointer b) { return cmp_colocation_priority(a, b, false); } /*! * \internal * \brief Add a "this with" colocation constraint to a sorted list * * \param[in,out] list List of constraints to add \p colocation to * \param[in] colocation Colocation constraint to add to \p list * \param[in] rsc Resource whose colocations we're getting (for * logging only) * * \note The list will be sorted using cmp_primary_priority(). */ void pcmk__add_this_with(GList **list, const pcmk__colocation_t *colocation, const pcmk_resource_t *rsc) { CRM_ASSERT((list != NULL) && (colocation != NULL) && (rsc != NULL)); pcmk__rsc_trace(rsc, "Adding colocation %s (%s with %s using %s @%s) to " "'this with' list for %s", colocation->id, colocation->dependent->id, colocation->primary->id, colocation->node_attribute, pcmk_readable_score(colocation->score), rsc->id); *list = g_list_insert_sorted(*list, (gpointer) colocation, cmp_primary_priority); } /*! * \internal * \brief Add a list of "this with" colocation constraints to a list * * \param[in,out] list List of constraints to add \p addition to * \param[in] addition List of colocation constraints to add to \p list * \param[in] rsc Resource whose colocations we're getting (for * logging only) * * \note The lists must be pre-sorted by cmp_primary_priority(). */ void pcmk__add_this_with_list(GList **list, GList *addition, const pcmk_resource_t *rsc) { CRM_ASSERT((list != NULL) && (rsc != NULL)); pcmk__if_tracing( {}, // Always add each colocation individually if tracing { if (*list == NULL) { // Trivial case for efficiency if not tracing *list = g_list_copy(addition); return; } } ); for (const GList *iter = addition; iter != NULL; iter = iter->next) { pcmk__add_this_with(list, addition->data, rsc); } } /*! * \internal * \brief Add a "with this" colocation constraint to a sorted list * * \param[in,out] list List of constraints to add \p colocation to * \param[in] colocation Colocation constraint to add to \p list * \param[in] rsc Resource whose colocations we're getting (for * logging only) * * \note The list will be sorted using cmp_dependent_priority(). */ void pcmk__add_with_this(GList **list, const pcmk__colocation_t *colocation, const pcmk_resource_t *rsc) { CRM_ASSERT((list != NULL) && (colocation != NULL) && (rsc != NULL)); pcmk__rsc_trace(rsc, "Adding colocation %s (%s with %s using %s @%s) to " "'with this' list for %s", colocation->id, colocation->dependent->id, colocation->primary->id, colocation->node_attribute, pcmk_readable_score(colocation->score), rsc->id); *list = g_list_insert_sorted(*list, (gpointer) colocation, cmp_dependent_priority); } /*! * \internal * \brief Add a list of "with this" colocation constraints to a list * * \param[in,out] list List of constraints to add \p addition to * \param[in] addition List of colocation constraints to add to \p list * \param[in] rsc Resource whose colocations we're getting (for * logging only) * * \note The lists must be pre-sorted by cmp_dependent_priority(). */ void pcmk__add_with_this_list(GList **list, GList *addition, const pcmk_resource_t *rsc) { CRM_ASSERT((list != NULL) && (rsc != NULL)); pcmk__if_tracing( {}, // Always add each colocation individually if tracing { if (*list == NULL) { // Trivial case for efficiency if not tracing *list = g_list_copy(addition); return; } } ); for (const GList *iter = addition; iter != NULL; iter = iter->next) { pcmk__add_with_this(list, addition->data, rsc); } } /*! * \internal * \brief Add orderings necessary for an anti-colocation constraint * * \param[in,out] first_rsc One resource in an anti-colocation * \param[in] first_role Anti-colocation role of \p first_rsc * \param[in] then_rsc Other resource in the anti-colocation * \param[in] then_role Anti-colocation role of \p then_rsc */ static void anti_colocation_order(pcmk_resource_t *first_rsc, int first_role, pcmk_resource_t *then_rsc, int then_role) { const char *first_tasks[] = { NULL, NULL }; const char *then_tasks[] = { NULL, NULL }; /* Actions to make first_rsc lose first_role */ if (first_role == pcmk_role_promoted) { first_tasks[0] = PCMK_ACTION_DEMOTE; } else { first_tasks[0] = PCMK_ACTION_STOP; if (first_role == pcmk_role_unpromoted) { first_tasks[1] = PCMK_ACTION_PROMOTE; } } /* Actions to make then_rsc gain then_role */ if (then_role == pcmk_role_promoted) { then_tasks[0] = PCMK_ACTION_PROMOTE; } else { then_tasks[0] = PCMK_ACTION_START; if (then_role == pcmk_role_unpromoted) { then_tasks[1] = PCMK_ACTION_DEMOTE; } } for (int first_lpc = 0; (first_lpc <= 1) && (first_tasks[first_lpc] != NULL); first_lpc++) { for (int then_lpc = 0; (then_lpc <= 1) && (then_tasks[then_lpc] != NULL); then_lpc++) { pcmk__order_resource_actions(first_rsc, first_tasks[first_lpc], then_rsc, then_tasks[then_lpc], pcmk__ar_if_required_on_same_node); } } } /*! * \internal * \brief Add a new colocation constraint to scheduler data * * \param[in] id XML ID for this constraint * \param[in] node_attr Colocate by this attribute (NULL for #uname) * \param[in] score Constraint score * \param[in,out] dependent Resource to be colocated * \param[in,out] primary Resource to colocate \p dependent with * \param[in] dependent_role Current role of \p dependent * \param[in] primary_role Current role of \p primary * \param[in] flags Group of enum pcmk__coloc_flags */ void pcmk__new_colocation(const char *id, const char *node_attr, int score, pcmk_resource_t *dependent, pcmk_resource_t *primary, const char *dependent_role, const char *primary_role, uint32_t flags) { pcmk__colocation_t *new_con = NULL; CRM_CHECK(id != NULL, return); if ((dependent == NULL) || (primary == NULL)) { pcmk__config_err("Ignoring colocation '%s' because resource " "does not exist", id); return; } if (score == 0) { pcmk__rsc_trace(dependent, "Ignoring colocation '%s' (%s with %s) because score is 0", id, dependent->id, primary->id); return; } new_con = pcmk__assert_alloc(1, sizeof(pcmk__colocation_t)); if (pcmk__str_eq(dependent_role, PCMK_ROLE_STARTED, pcmk__str_null_matches|pcmk__str_casei)) { dependent_role = PCMK__ROLE_UNKNOWN; } if (pcmk__str_eq(primary_role, PCMK_ROLE_STARTED, pcmk__str_null_matches|pcmk__str_casei)) { primary_role = PCMK__ROLE_UNKNOWN; } new_con->id = id; new_con->dependent = dependent; new_con->primary = primary; new_con->score = score; new_con->dependent_role = pcmk_parse_role(dependent_role); new_con->primary_role = pcmk_parse_role(primary_role); new_con->node_attribute = pcmk__s(node_attr, CRM_ATTR_UNAME); new_con->flags = flags; pcmk__add_this_with(&(dependent->priv->this_with_colocations), new_con, dependent); pcmk__add_with_this(&(primary->priv->with_this_colocations), new_con, primary); dependent->priv->scheduler->colocation_constraints = g_list_prepend(dependent->priv->scheduler->colocation_constraints, new_con); if (score <= -PCMK_SCORE_INFINITY) { anti_colocation_order(dependent, new_con->dependent_role, primary, new_con->primary_role); anti_colocation_order(primary, new_con->primary_role, dependent, new_con->dependent_role); } } /*! * \internal * \brief Return the boolean influence corresponding to configuration * * \param[in] coloc_id Colocation XML ID (for error logging) * \param[in] rsc Resource involved in constraint (for default) * \param[in] influence_s String value of \c PCMK_XA_INFLUENCE option * * \return \c pcmk__coloc_influence if string evaluates true, or string is * \c NULL or invalid and resource's \c PCMK_META_CRITICAL option * evaluates true, otherwise \c pcmk__coloc_none */ static uint32_t unpack_influence(const char *coloc_id, const pcmk_resource_t *rsc, const char *influence_s) { if (influence_s != NULL) { int influence_i = 0; if (crm_str_to_boolean(influence_s, &influence_i) < 0) { pcmk__config_err("Constraint '%s' has invalid value for " PCMK_XA_INFLUENCE " (using default)", coloc_id); } else { return (influence_i == 0)? pcmk__coloc_none : pcmk__coloc_influence; } } if (pcmk_is_set(rsc->flags, pcmk__rsc_critical)) { return pcmk__coloc_influence; } return pcmk__coloc_none; } static void unpack_colocation_set(xmlNode *set, int score, const char *coloc_id, const char *influence_s, pcmk_scheduler_t *scheduler) { xmlNode *xml_rsc = NULL; pcmk_resource_t *other = NULL; pcmk_resource_t *resource = NULL; const char *set_id = pcmk__xe_id(set); const char *role = crm_element_value(set, PCMK_XA_ROLE); bool with_previous = false; int local_score = score; bool sequential = false; uint32_t flags = pcmk__coloc_none; const char *xml_rsc_id = NULL; const char *score_s = crm_element_value(set, PCMK_XA_SCORE); if (score_s) { local_score = char2score(score_s); } if (local_score == 0) { crm_trace("Ignoring colocation '%s' for set '%s' because score is 0", coloc_id, set_id); return; } /* @COMPAT The deprecated PCMK__XA_ORDERING attribute specifies whether * resources in a positive-score set are colocated with the previous or next * resource. */ if (pcmk__str_eq(crm_element_value(set, PCMK__XA_ORDERING), PCMK__VALUE_GROUP, pcmk__str_null_matches|pcmk__str_casei)) { with_previous = true; } else { pcmk__warn_once(pcmk__wo_set_ordering, "Support for '" PCMK__XA_ORDERING "' other than" " '" PCMK__VALUE_GROUP "' in " PCMK_XE_RESOURCE_SET " (such as %s) is deprecated and will be removed in a" " future release", set_id); } if ((pcmk__xe_get_bool_attr(set, PCMK_XA_SEQUENTIAL, &sequential) == pcmk_rc_ok) && !sequential) { return; } if (local_score > 0) { for (xml_rsc = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { xml_rsc_id = pcmk__xe_id(xml_rsc); - resource = pcmk__find_constraint_resource(scheduler->resources, - xml_rsc_id); + resource = + pcmk__find_constraint_resource(scheduler->priv->resources, + xml_rsc_id); if (resource == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring %s and later resources in set %s: " "No such resource", xml_rsc_id, set_id); return; } if (other != NULL) { flags = pcmk__coloc_explicit | unpack_influence(coloc_id, resource, influence_s); if (with_previous) { pcmk__rsc_trace(resource, "Colocating %s with %s in set %s", resource->id, other->id, set_id); pcmk__new_colocation(set_id, NULL, local_score, resource, other, role, role, flags); } else { pcmk__rsc_trace(resource, "Colocating %s with %s in set %s", other->id, resource->id, set_id); pcmk__new_colocation(set_id, NULL, local_score, other, resource, role, role, flags); } } other = resource; } } else { /* Anti-colocating with every prior resource is * the only way to ensure the intuitive result * (i.e. that no one in the set can run with anyone else in the set) */ for (xml_rsc = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { xmlNode *xml_rsc_with = NULL; xml_rsc_id = pcmk__xe_id(xml_rsc); - resource = pcmk__find_constraint_resource(scheduler->resources, - xml_rsc_id); + resource = + pcmk__find_constraint_resource(scheduler->priv->resources, + xml_rsc_id); if (resource == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring %s and later resources in set %s: " "No such resource", xml_rsc_id, set_id); return; } flags = pcmk__coloc_explicit | unpack_influence(coloc_id, resource, influence_s); for (xml_rsc_with = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc_with != NULL; xml_rsc_with = pcmk__xe_next_same(xml_rsc_with)) { xml_rsc_id = pcmk__xe_id(xml_rsc_with); if (pcmk__str_eq(resource->id, xml_rsc_id, pcmk__str_none)) { break; } - other = pcmk__find_constraint_resource(scheduler->resources, - xml_rsc_id); + other = + pcmk__find_constraint_resource(scheduler->priv->resources, + xml_rsc_id); CRM_ASSERT(other != NULL); // We already processed it pcmk__new_colocation(set_id, NULL, local_score, resource, other, role, role, flags); } } } } /*! * \internal * \brief Colocate two resource sets relative to each other * * \param[in] id Colocation XML ID * \param[in] set1 Dependent set * \param[in] set2 Primary set * \param[in] score Colocation score * \param[in] influence_s Value of colocation's \c PCMK_XA_INFLUENCE * attribute * \param[in,out] scheduler Scheduler data */ static void colocate_rsc_sets(const char *id, const xmlNode *set1, const xmlNode *set2, int score, const char *influence_s, pcmk_scheduler_t *scheduler) { xmlNode *xml_rsc = NULL; pcmk_resource_t *rsc_1 = NULL; pcmk_resource_t *rsc_2 = NULL; const char *xml_rsc_id = NULL; const char *role_1 = crm_element_value(set1, PCMK_XA_ROLE); const char *role_2 = crm_element_value(set2, PCMK_XA_ROLE); int rc = pcmk_rc_ok; bool sequential = false; uint32_t flags = pcmk__coloc_none; if (score == 0) { crm_trace("Ignoring colocation '%s' between sets %s and %s " "because score is 0", id, pcmk__xe_id(set1), pcmk__xe_id(set2)); return; } rc = pcmk__xe_get_bool_attr(set1, PCMK_XA_SEQUENTIAL, &sequential); if ((rc != pcmk_rc_ok) || sequential) { // Get the first one xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); if (xml_rsc != NULL) { xml_rsc_id = pcmk__xe_id(xml_rsc); - rsc_1 = pcmk__find_constraint_resource(scheduler->resources, + rsc_1 = pcmk__find_constraint_resource(scheduler->priv->resources, xml_rsc_id); if (rsc_1 == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring colocation of set %s with set %s " "because first resource %s not found", pcmk__xe_id(set1), pcmk__xe_id(set2), xml_rsc_id); return; } } } rc = pcmk__xe_get_bool_attr(set2, PCMK_XA_SEQUENTIAL, &sequential); if ((rc != pcmk_rc_ok) || sequential) { // Get the last one for (xml_rsc = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { xml_rsc_id = pcmk__xe_id(xml_rsc); } - rsc_2 = pcmk__find_constraint_resource(scheduler->resources, + rsc_2 = pcmk__find_constraint_resource(scheduler->priv->resources, xml_rsc_id); if (rsc_2 == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring colocation of set %s with set %s " "because last resource %s not found", pcmk__xe_id(set1), pcmk__xe_id(set2), xml_rsc_id); return; } } if ((rsc_1 != NULL) && (rsc_2 != NULL)) { // Both sets are sequential flags = pcmk__coloc_explicit | unpack_influence(id, rsc_1, influence_s); pcmk__new_colocation(id, NULL, score, rsc_1, rsc_2, role_1, role_2, flags); } else if (rsc_1 != NULL) { // Only set1 is sequential flags = pcmk__coloc_explicit | unpack_influence(id, rsc_1, influence_s); for (xml_rsc = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { xml_rsc_id = pcmk__xe_id(xml_rsc); - rsc_2 = pcmk__find_constraint_resource(scheduler->resources, + rsc_2 = pcmk__find_constraint_resource(scheduler->priv->resources, xml_rsc_id); if (rsc_2 == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring set %s colocation with resource %s " "in set %s: No such resource", pcmk__xe_id(set1), xml_rsc_id, pcmk__xe_id(set2)); continue; } pcmk__new_colocation(id, NULL, score, rsc_1, rsc_2, role_1, role_2, flags); } } else if (rsc_2 != NULL) { // Only set2 is sequential for (xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { xml_rsc_id = pcmk__xe_id(xml_rsc); - rsc_1 = pcmk__find_constraint_resource(scheduler->resources, + rsc_1 = pcmk__find_constraint_resource(scheduler->priv->resources, xml_rsc_id); if (rsc_1 == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring colocation of set %s resource %s " "with set %s: No such resource", pcmk__xe_id(set1), xml_rsc_id, pcmk__xe_id(set2)); continue; } flags = pcmk__coloc_explicit | unpack_influence(id, rsc_1, influence_s); pcmk__new_colocation(id, NULL, score, rsc_1, rsc_2, role_1, role_2, flags); } } else { // Neither set is sequential for (xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { xmlNode *xml_rsc_2 = NULL; xml_rsc_id = pcmk__xe_id(xml_rsc); - rsc_1 = pcmk__find_constraint_resource(scheduler->resources, + rsc_1 = pcmk__find_constraint_resource(scheduler->priv->resources, xml_rsc_id); if (rsc_1 == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring colocation of set %s resource %s " "with set %s: No such resource", pcmk__xe_id(set1), xml_rsc_id, pcmk__xe_id(set2)); continue; } flags = pcmk__coloc_explicit | unpack_influence(id, rsc_1, influence_s); for (xml_rsc_2 = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc_2 != NULL; xml_rsc_2 = pcmk__xe_next_same(xml_rsc_2)) { xml_rsc_id = pcmk__xe_id(xml_rsc_2); - rsc_2 = pcmk__find_constraint_resource(scheduler->resources, - xml_rsc_id); + rsc_2 = + pcmk__find_constraint_resource(scheduler->priv->resources, + xml_rsc_id); if (rsc_2 == NULL) { // Should be possible only with validation disabled pcmk__config_err("Ignoring colocation of set %s resource " "%s with set %s resource %s: No such " "resource", pcmk__xe_id(set1), pcmk__xe_id(xml_rsc), pcmk__xe_id(set2), xml_rsc_id); continue; } pcmk__new_colocation(id, NULL, score, rsc_1, rsc_2, role_1, role_2, flags); } } } } static void unpack_simple_colocation(xmlNode *xml_obj, const char *id, const char *influence_s, pcmk_scheduler_t *scheduler) { int score_i = 0; uint32_t flags = pcmk__coloc_none; const char *score = crm_element_value(xml_obj, PCMK_XA_SCORE); const char *dependent_id = crm_element_value(xml_obj, PCMK_XA_RSC); const char *primary_id = crm_element_value(xml_obj, PCMK_XA_WITH_RSC); const char *dependent_role = crm_element_value(xml_obj, PCMK_XA_RSC_ROLE); const char *primary_role = crm_element_value(xml_obj, PCMK_XA_WITH_RSC_ROLE); const char *attr = crm_element_value(xml_obj, PCMK_XA_NODE_ATTRIBUTE); const char *primary_instance = NULL; const char *dependent_instance = NULL; pcmk_resource_t *primary = NULL; pcmk_resource_t *dependent = NULL; - primary = pcmk__find_constraint_resource(scheduler->resources, primary_id); - dependent = pcmk__find_constraint_resource(scheduler->resources, + primary = pcmk__find_constraint_resource(scheduler->priv->resources, + primary_id); + dependent = pcmk__find_constraint_resource(scheduler->priv->resources, dependent_id); // @COMPAT: Deprecated since 2.1.5 primary_instance = crm_element_value(xml_obj, PCMK__XA_WITH_RSC_INSTANCE); dependent_instance = crm_element_value(xml_obj, PCMK__XA_RSC_INSTANCE); if (dependent_instance != NULL) { pcmk__warn_once(pcmk__wo_coloc_inst, "Support for " PCMK__XA_RSC_INSTANCE " is deprecated " "and will be removed in a future release"); } if (primary_instance != NULL) { pcmk__warn_once(pcmk__wo_coloc_inst, "Support for " PCMK__XA_WITH_RSC_INSTANCE " is " "deprecated and will be removed in a future release"); } if (dependent == NULL) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "does not exist", id, dependent_id); return; } else if (primary == NULL) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "does not exist", id, primary_id); return; } else if ((dependent_instance != NULL) && !pcmk__is_clone(dependent)) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "is not a clone but instance '%s' was requested", id, dependent_id, dependent_instance); return; } else if ((primary_instance != NULL) && !pcmk__is_clone(primary)) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "is not a clone but instance '%s' was requested", id, primary_id, primary_instance); return; } if (dependent_instance != NULL) { dependent = find_clone_instance(dependent, dependent_instance); if (dependent == NULL) { pcmk__config_warn("Ignoring constraint '%s' because resource '%s' " "does not have an instance '%s'", id, dependent_id, dependent_instance); return; } } if (primary_instance != NULL) { primary = find_clone_instance(primary, primary_instance); if (primary == NULL) { pcmk__config_warn("Ignoring constraint '%s' because resource '%s' " "does not have an instance '%s'", "'%s'", id, primary_id, primary_instance); return; } } if (pcmk__xe_attr_is_true(xml_obj, PCMK_XA_SYMMETRICAL)) { pcmk__config_warn("The colocation constraint " "'" PCMK_XA_SYMMETRICAL "' attribute has been " "removed"); } if (score) { score_i = char2score(score); } flags = pcmk__coloc_explicit | unpack_influence(id, dependent, influence_s); pcmk__new_colocation(id, attr, score_i, dependent, primary, dependent_role, primary_role, flags); } // \return Standard Pacemaker return code static int unpack_colocation_tags(xmlNode *xml_obj, xmlNode **expanded_xml, pcmk_scheduler_t *scheduler) { const char *id = NULL; const char *dependent_id = NULL; const char *primary_id = NULL; const char *dependent_role = NULL; const char *primary_role = NULL; pcmk_resource_t *dependent = NULL; pcmk_resource_t *primary = NULL; pcmk__idref_t *dependent_tag = NULL; pcmk__idref_t *primary_tag = NULL; xmlNode *dependent_set = NULL; xmlNode *primary_set = NULL; bool any_sets = false; *expanded_xml = NULL; CRM_CHECK(xml_obj != NULL, return EINVAL); id = pcmk__xe_id(xml_obj); if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return pcmk_rc_unpack_error; } // Check whether there are any resource sets with template or tag references *expanded_xml = pcmk__expand_tags_in_sets(xml_obj, scheduler); if (*expanded_xml != NULL) { crm_log_xml_trace(*expanded_xml, "Expanded " PCMK_XE_RSC_COLOCATION); return pcmk_rc_ok; } dependent_id = crm_element_value(xml_obj, PCMK_XA_RSC); primary_id = crm_element_value(xml_obj, PCMK_XA_WITH_RSC); if ((dependent_id == NULL) || (primary_id == NULL)) { return pcmk_rc_ok; } if (!pcmk__valid_resource_or_tag(scheduler, dependent_id, &dependent, &dependent_tag)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", id, dependent_id); return pcmk_rc_unpack_error; } if (!pcmk__valid_resource_or_tag(scheduler, primary_id, &primary, &primary_tag)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", id, primary_id); return pcmk_rc_unpack_error; } if ((dependent != NULL) && (primary != NULL)) { /* Neither side references any template/tag. */ return pcmk_rc_ok; } if ((dependent_tag != NULL) && (primary_tag != NULL)) { // A colocation constraint between two templates/tags makes no sense pcmk__config_err("Ignoring constraint '%s' because two templates or " "tags cannot be colocated", id); return pcmk_rc_unpack_error; } dependent_role = crm_element_value(xml_obj, PCMK_XA_RSC_ROLE); primary_role = crm_element_value(xml_obj, PCMK_XA_WITH_RSC_ROLE); *expanded_xml = pcmk__xml_copy(NULL, xml_obj); /* Convert dependent's template/tag reference into constraint * PCMK_XE_RESOURCE_SET */ if (!pcmk__tag_to_set(*expanded_xml, &dependent_set, PCMK_XA_RSC, true, scheduler)) { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; return pcmk_rc_unpack_error; } if (dependent_set != NULL) { if (dependent_role != NULL) { /* Move PCMK_XA_RSC_ROLE into converted PCMK_XE_RESOURCE_SET as * PCMK_XA_ROLE */ crm_xml_add(dependent_set, PCMK_XA_ROLE, dependent_role); pcmk__xe_remove_attr(*expanded_xml, PCMK_XA_RSC_ROLE); } any_sets = true; } /* Convert primary's template/tag reference into constraint * PCMK_XE_RESOURCE_SET */ if (!pcmk__tag_to_set(*expanded_xml, &primary_set, PCMK_XA_WITH_RSC, true, scheduler)) { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; return pcmk_rc_unpack_error; } if (primary_set != NULL) { if (primary_role != NULL) { /* Move PCMK_XA_WITH_RSC_ROLE into converted PCMK_XE_RESOURCE_SET as * PCMK_XA_ROLE */ crm_xml_add(primary_set, PCMK_XA_ROLE, primary_role); pcmk__xe_remove_attr(*expanded_xml, PCMK_XA_WITH_RSC_ROLE); } any_sets = true; } if (any_sets) { crm_log_xml_trace(*expanded_xml, "Expanded " PCMK_XE_RSC_COLOCATION); } else { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; } return pcmk_rc_ok; } /*! * \internal * \brief Parse a colocation constraint from XML into scheduler data * * \param[in,out] xml_obj Colocation constraint XML to unpack * \param[in,out] scheduler Scheduler data to add constraint to */ void pcmk__unpack_colocation(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { int score_i = 0; xmlNode *set = NULL; xmlNode *last = NULL; xmlNode *orig_xml = NULL; xmlNode *expanded_xml = NULL; const char *id = crm_element_value(xml_obj, PCMK_XA_ID); const char *score = NULL; const char *influence_s = NULL; if (pcmk__str_empty(id)) { pcmk__config_err("Ignoring " PCMK_XE_RSC_COLOCATION " without " CRM_ATTR_ID); return; } if (unpack_colocation_tags(xml_obj, &expanded_xml, scheduler) != pcmk_rc_ok) { return; } if (expanded_xml != NULL) { orig_xml = xml_obj; xml_obj = expanded_xml; } score = crm_element_value(xml_obj, PCMK_XA_SCORE); if (score != NULL) { score_i = char2score(score); } influence_s = crm_element_value(xml_obj, PCMK_XA_INFLUENCE); for (set = pcmk__xe_first_child(xml_obj, PCMK_XE_RESOURCE_SET, NULL, NULL); set != NULL; set = pcmk__xe_next_same(set)) { set = pcmk__xe_resolve_idref(set, scheduler->input); if (set == NULL) { // Configuration error, message already logged if (expanded_xml != NULL) { pcmk__xml_free(expanded_xml); } return; } if (pcmk__str_empty(pcmk__xe_id(set))) { pcmk__config_err("Ignoring " PCMK_XE_RESOURCE_SET " without " CRM_ATTR_ID); continue; } unpack_colocation_set(set, score_i, id, influence_s, scheduler); if (last != NULL) { colocate_rsc_sets(id, last, set, score_i, influence_s, scheduler); } last = set; } if (expanded_xml) { pcmk__xml_free(expanded_xml); xml_obj = orig_xml; } if (last == NULL) { unpack_simple_colocation(xml_obj, id, influence_s, scheduler); } } /*! * \internal * \brief Make actions of a given type unrunnable for a given resource * * \param[in,out] rsc Resource whose actions should be blocked * \param[in] task Name of action to block * \param[in] reason Unrunnable start action causing the block */ static void mark_action_blocked(pcmk_resource_t *rsc, const char *task, const pcmk_resource_t *reason) { GList *iter = NULL; char *reason_text = crm_strdup_printf("colocation with %s", reason->id); for (iter = rsc->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = iter->data; if (pcmk_is_set(action->flags, pcmk__action_runnable) && pcmk__str_eq(action->task, task, pcmk__str_none)) { pcmk__clear_action_flags(action, pcmk__action_runnable); pe_action_set_reason(action, reason_text, false); pcmk__block_colocation_dependents(action); pcmk__update_action_for_orderings(action, rsc->priv->scheduler); } } // If parent resource can't perform an action, neither can any children for (iter = rsc->priv->children; iter != NULL; iter = iter->next) { mark_action_blocked((pcmk_resource_t *) (iter->data), task, reason); } free(reason_text); } /*! * \internal * \brief If an action is unrunnable, block any relevant dependent actions * * If a given action is an unrunnable start or promote, block the start or * promote actions of resources colocated with it, as appropriate to the * colocations' configured roles. * * \param[in,out] action Action to check */ void pcmk__block_colocation_dependents(pcmk_action_t *action) { GList *iter = NULL; GList *colocations = NULL; pcmk_resource_t *rsc = NULL; bool is_start = false; if (pcmk_is_set(action->flags, pcmk__action_runnable)) { return; // Only unrunnable actions block dependents } is_start = pcmk__str_eq(action->task, PCMK_ACTION_START, pcmk__str_none); if (!is_start && !pcmk__str_eq(action->task, PCMK_ACTION_PROMOTE, pcmk__str_none)) { return; // Only unrunnable starts and promotes block dependents } CRM_ASSERT(action->rsc != NULL); // Start and promote are resource actions /* If this resource is part of a collective resource, dependents are blocked * only if all instances of the collective are unrunnable, so check the * collective resource. */ rsc = uber_parent(action->rsc); if (rsc->priv->parent != NULL) { rsc = rsc->priv->parent; // Bundle } // Colocation fails only if entire primary can't reach desired role for (iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = iter->data; pcmk_action_t *child_action = NULL; child_action = find_first_action(child->priv->actions, NULL, action->task, NULL); if ((child_action == NULL) || pcmk_is_set(child_action->flags, pcmk__action_runnable)) { crm_trace("Not blocking %s colocation dependents because " "at least %s has runnable %s", rsc->id, child->id, action->task); return; // At least one child can reach desired role } } crm_trace("Blocking %s colocation dependents due to unrunnable %s %s", rsc->id, action->rsc->id, action->task); // Check each colocation where this resource is primary colocations = pcmk__with_this_colocations(rsc); for (iter = colocations; iter != NULL; iter = iter->next) { pcmk__colocation_t *colocation = iter->data; if (colocation->score < PCMK_SCORE_INFINITY) { continue; // Only mandatory colocations block dependent } /* If the primary can't start, the dependent can't reach its colocated * role, regardless of what the primary or dependent colocation role is. * * If the primary can't be promoted, the dependent can't reach its * colocated role if the primary's colocation role is promoted. */ if (!is_start && (colocation->primary_role != pcmk_role_promoted)) { continue; } // Block the dependent from reaching its colocated role if (colocation->dependent_role == pcmk_role_promoted) { mark_action_blocked(colocation->dependent, PCMK_ACTION_PROMOTE, action->rsc); } else { mark_action_blocked(colocation->dependent, PCMK_ACTION_START, action->rsc); } } g_list_free(colocations); } /*! * \internal * \brief Get the resource to use for role comparisons * * A bundle replica includes a container and possibly an instance of the bundled * resource. The dependent in a "with bundle" colocation is colocated with a * particular bundle container. However, if the colocation includes a role, then * the role must be checked on the bundled resource instance inside the * container. The container itself will never be promoted; the bundled resource * may be. * * If the given resource is a bundle replica container, return the resource * inside it, if any. Otherwise, return the resource itself. * * \param[in] rsc Resource to check * * \return Resource to use for role comparisons */ static const pcmk_resource_t * get_resource_for_role(const pcmk_resource_t *rsc) { if (pcmk_is_set(rsc->flags, pcmk__rsc_replica_container)) { const pcmk_resource_t *child = pe__get_rsc_in_container(rsc); if (child != NULL) { return child; } } return rsc; } /*! * \internal * \brief Determine how a colocation constraint should affect a resource * * Colocation constraints have different effects at different points in the * scheduler sequence. Initially, they affect a resource's location; once that * is determined, then for promotable clones they can affect a resource * instance's role; after both are determined, the constraints no longer matter. * Given a specific colocation constraint, check what has been done so far to * determine what should be affected at the current point in the scheduler. * * \param[in] dependent Dependent resource in colocation * \param[in] primary Primary resource in colocation * \param[in] colocation Colocation constraint * \param[in] preview If true, pretend resources have already been assigned * * \return How colocation constraint should be applied at this point */ enum pcmk__coloc_affects pcmk__colocation_affects(const pcmk_resource_t *dependent, const pcmk_resource_t *primary, const pcmk__colocation_t *colocation, bool preview) { const pcmk_resource_t *dependent_role_rsc = NULL; const pcmk_resource_t *primary_role_rsc = NULL; CRM_ASSERT((dependent != NULL) && (primary != NULL) && (colocation != NULL)); if (!preview && pcmk_is_set(primary->flags, pcmk__rsc_unassigned)) { // Primary resource has not been assigned yet, so we can't do anything return pcmk__coloc_affects_nothing; } dependent_role_rsc = get_resource_for_role(dependent); primary_role_rsc = get_resource_for_role(primary); if ((colocation->dependent_role >= pcmk_role_unpromoted) && (dependent_role_rsc->priv->parent != NULL) && pcmk_is_set(dependent_role_rsc->priv->parent->flags, pcmk__rsc_promotable) && !pcmk_is_set(dependent_role_rsc->flags, pcmk__rsc_unassigned)) { /* This is a colocation by role, and the dependent is a promotable clone * that has already been assigned, so the colocation should now affect * the role. */ return pcmk__coloc_affects_role; } if (!preview && !pcmk_is_set(dependent->flags, pcmk__rsc_unassigned)) { /* The dependent resource has already been through assignment, so the * constraint no longer matters. */ return pcmk__coloc_affects_nothing; } if ((colocation->dependent_role != pcmk_role_unknown) && (colocation->dependent_role != dependent_role_rsc->priv->next_role)) { crm_trace("Skipping %scolocation '%s': dependent limited to %s role " "but %s next role is %s", ((colocation->score < 0)? "anti-" : ""), colocation->id, pcmk_role_text(colocation->dependent_role), dependent_role_rsc->id, pcmk_role_text(dependent_role_rsc->priv->next_role)); return pcmk__coloc_affects_nothing; } if ((colocation->primary_role != pcmk_role_unknown) && (colocation->primary_role != primary_role_rsc->priv->next_role)) { crm_trace("Skipping %scolocation '%s': primary limited to %s role " "but %s next role is %s", ((colocation->score < 0)? "anti-" : ""), colocation->id, pcmk_role_text(colocation->primary_role), primary_role_rsc->id, pcmk_role_text(primary_role_rsc->priv->next_role)); return pcmk__coloc_affects_nothing; } return pcmk__coloc_affects_location; } /*! * \internal * \brief Apply colocation to dependent for assignment purposes * * Update the allowed node scores of the dependent resource in a colocation, * for the purposes of assigning it to a node. * * \param[in,out] dependent Dependent resource in colocation * \param[in] primary Primary resource in colocation * \param[in] colocation Colocation constraint */ void pcmk__apply_coloc_to_scores(pcmk_resource_t *dependent, const pcmk_resource_t *primary, const pcmk__colocation_t *colocation) { const char *attr = colocation->node_attribute; const char *value = NULL; GHashTable *work = NULL; GHashTableIter iter; pcmk_node_t *node = NULL; if (primary->priv->assigned_node != NULL) { value = pcmk__colocation_node_attr(primary->priv->assigned_node, attr, primary); } else if (colocation->score < 0) { // Nothing to do (anti-colocation with something that is not running) return; } work = pcmk__copy_node_table(dependent->priv->allowed_nodes); g_hash_table_iter_init(&iter, work); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { if (primary->priv->assigned_node == NULL) { node->assign->score = pcmk__add_scores(-colocation->score, node->assign->score); pcmk__rsc_trace(dependent, "Applied %s to %s score on %s (now %s after " "subtracting %s because primary %s inactive)", colocation->id, dependent->id, pcmk__node_name(node), pcmk_readable_score(node->assign->score), pcmk_readable_score(colocation->score), primary->id); continue; } if (pcmk__str_eq(pcmk__colocation_node_attr(node, attr, dependent), value, pcmk__str_casei)) { /* Add colocation score only if optional (or minus infinity). A * mandatory colocation is a requirement rather than a preference, * so we don't need to consider it for relative assignment purposes. * The resource will simply be forbidden from running on the node if * the primary isn't active there (via the condition above). */ if (colocation->score < PCMK_SCORE_INFINITY) { node->assign->score = pcmk__add_scores(colocation->score, node->assign->score); pcmk__rsc_trace(dependent, "Applied %s to %s score on %s (now %s after " "adding %s)", colocation->id, dependent->id, pcmk__node_name(node), pcmk_readable_score(node->assign->score), pcmk_readable_score(colocation->score)); } continue; } if (colocation->score >= PCMK_SCORE_INFINITY) { /* Only mandatory colocations are relevant when the colocation * attribute doesn't match, because an attribute not matching is not * a negative preference -- the colocation is simply relevant only * where it matches. */ node->assign->score = -PCMK_SCORE_INFINITY; pcmk__rsc_trace(dependent, "Banned %s from %s because colocation %s attribute %s " "does not match", dependent->id, pcmk__node_name(node), colocation->id, attr); } } if ((colocation->score <= -PCMK_SCORE_INFINITY) || (colocation->score >= PCMK_SCORE_INFINITY) || pcmk__any_node_available(work)) { g_hash_table_destroy(dependent->priv->allowed_nodes); dependent->priv->allowed_nodes = work; work = NULL; } else { pcmk__rsc_info(dependent, "%s: Rolling back scores from %s (no available nodes)", dependent->id, primary->id); } if (work != NULL) { g_hash_table_destroy(work); } } /*! * \internal * \brief Apply colocation to dependent for role purposes * * Update the priority of the dependent resource in a colocation, for the * purposes of selecting its role * * \param[in,out] dependent Dependent resource in colocation * \param[in] primary Primary resource in colocation * \param[in] colocation Colocation constraint */ void pcmk__apply_coloc_to_priority(pcmk_resource_t *dependent, const pcmk_resource_t *primary, const pcmk__colocation_t *colocation) { const char *dependent_value = NULL; const char *primary_value = NULL; const char *attr = colocation->node_attribute; int score_multiplier = 1; const pcmk_node_t *primary_node = NULL; const pcmk_node_t *dependent_node = NULL; const pcmk_resource_t *primary_role_rsc = NULL; CRM_ASSERT((dependent != NULL) && (primary != NULL) && (colocation != NULL)); primary_node = primary->priv->assigned_node; dependent_node = dependent->priv->assigned_node; if ((primary_node == NULL) || (dependent_node == NULL)) { return; } dependent_value = pcmk__colocation_node_attr(dependent_node, attr, dependent); primary_value = pcmk__colocation_node_attr(primary_node, attr, primary); primary_role_rsc = get_resource_for_role(primary); if (!pcmk__str_eq(dependent_value, primary_value, pcmk__str_casei)) { if ((colocation->score == PCMK_SCORE_INFINITY) && (colocation->dependent_role == pcmk_role_promoted)) { dependent->priv->priority = -PCMK_SCORE_INFINITY; } return; } if ((colocation->primary_role != pcmk_role_unknown) && (colocation->primary_role != primary_role_rsc->priv->next_role)) { return; } if (colocation->dependent_role == pcmk_role_unpromoted) { score_multiplier = -1; } dependent->priv->priority = pcmk__add_scores(score_multiplier * colocation->score, dependent->priv->priority); pcmk__rsc_trace(dependent, "Applied %s to %s promotion priority (now %s after %s %s)", colocation->id, dependent->id, pcmk_readable_score(dependent->priv->priority), ((score_multiplier == 1)? "adding" : "subtracting"), pcmk_readable_score(colocation->score)); } /*! * \internal * \brief Find score of highest-scored node that matches colocation attribute * * \param[in] colocation Colocation constraint being applied * \param[in,out] rsc Resource whose allowed nodes should be searched * \param[in] attr Colocation attribute name (must not be NULL) * \param[in] value Colocation attribute value to require */ static int best_node_score_matching_attr(const pcmk__colocation_t *colocation, pcmk_resource_t *rsc, const char *attr, const char *value) { GHashTable *allowed_nodes_orig = NULL; GHashTableIter iter; pcmk_node_t *node = NULL; int best_score = -PCMK_SCORE_INFINITY; const char *best_node = NULL; if ((colocation != NULL) && (rsc == colocation->dependent) && pcmk_is_set(colocation->flags, pcmk__coloc_explicit) && pcmk__is_group(rsc->priv->parent) && (rsc != rsc->priv->parent->priv->children->data)) { /* The resource is a user-configured colocation's explicit dependent, * and a group member other than the first, which means the group's * location constraint scores were not applied to it (see * pcmk__group_apply_location()). Explicitly consider those scores now. * * @TODO This does leave one suboptimal case: if the group itself or * another member other than the first is explicitly colocated with * the same primary, the primary will count the group's location scores * multiple times. This is much less likely than a single member being * explicitly colocated, so it's an acceptable tradeoff for now. */ allowed_nodes_orig = rsc->priv->allowed_nodes; rsc->priv->allowed_nodes = pcmk__copy_node_table(allowed_nodes_orig); for (GList *loc_iter = rsc->priv->scheduler->placement_constraints; loc_iter != NULL; loc_iter = loc_iter->next) { pcmk__location_t *location = loc_iter->data; if (location->rsc == rsc->priv->parent) { rsc->priv->cmds->apply_location(rsc, location); } } } // Find best allowed node with matching attribute g_hash_table_iter_init(&iter, rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) { if ((node->assign->score > best_score) && pcmk__node_available(node, false, false) && pcmk__str_eq(value, pcmk__colocation_node_attr(node, attr, rsc), pcmk__str_casei)) { best_score = node->assign->score; best_node = node->priv->name; } } if (!pcmk__str_eq(attr, CRM_ATTR_UNAME, pcmk__str_none)) { if (best_node == NULL) { crm_info("No allowed node for %s matches node attribute %s=%s", rsc->id, attr, value); } else { crm_info("Allowed node %s for %s had best score (%d) " "of those matching node attribute %s=%s", best_node, rsc->id, best_score, attr, value); } } if (allowed_nodes_orig != NULL) { g_hash_table_destroy(rsc->priv->allowed_nodes); rsc->priv->allowed_nodes = allowed_nodes_orig; } return best_score; } /*! * \internal * \brief Check whether a resource is allowed only on a single node * * \param[in] rsc Resource to check * * \return \c true if \p rsc is allowed only on one node, otherwise \c false */ static bool allowed_on_one(const pcmk_resource_t *rsc) { GHashTableIter iter; pcmk_node_t *allowed_node = NULL; int allowed_nodes = 0; g_hash_table_iter_init(&iter, rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &allowed_node)) { if ((allowed_node->assign->score >= 0) && (++allowed_nodes > 1)) { pcmk__rsc_trace(rsc, "%s is allowed on multiple nodes", rsc->id); return false; } } pcmk__rsc_trace(rsc, "%s is allowed %s", rsc->id, ((allowed_nodes == 1)? "on a single node" : "nowhere")); return (allowed_nodes == 1); } /*! * \internal * \brief Add resource's colocation matches to current node assignment scores * * For each node in a given table, if any of a given resource's allowed nodes * have a matching value for the colocation attribute, add the highest of those * nodes' scores to the node's score. * * \param[in,out] nodes Table of nodes with assignment scores so far * \param[in,out] source_rsc Resource whose node scores to add * \param[in] target_rsc Resource on whose behalf to update \p nodes * \param[in] colocation Original colocation constraint (used to get * configured primary resource's stickiness, and * to get colocation node attribute; pass NULL to * ignore stickiness and use default attribute) * \param[in] factor Factor by which to multiply scores being added * \param[in] only_positive Whether to add only positive scores */ static void add_node_scores_matching_attr(GHashTable *nodes, pcmk_resource_t *source_rsc, const pcmk_resource_t *target_rsc, const pcmk__colocation_t *colocation, float factor, bool only_positive) { GHashTableIter iter; pcmk_node_t *node = NULL; const char *attr = colocation->node_attribute; // Iterate through each node g_hash_table_iter_init(&iter, nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { float delta_f = 0; int delta = 0; int score = 0; int new_score = 0; const char *value = pcmk__colocation_node_attr(node, attr, target_rsc); score = best_node_score_matching_attr(colocation, source_rsc, attr, value); if ((factor < 0) && (score < 0)) { /* If the dependent is anti-colocated, we generally don't want the * primary to prefer nodes that the dependent avoids. That could * lead to unnecessary shuffling of the primary when the dependent * hits its migration threshold somewhere, for example. * * However, there are cases when it is desirable. If the dependent * can't run anywhere but where the primary is, it would be * worthwhile to move the primary for the sake of keeping the * dependent active. * * We can't know that exactly at this point since we don't know * where the primary will be assigned, but we can limit considering * the preference to when the dependent is allowed only on one node. * This is less than ideal for multiple reasons: * * - the dependent could be allowed on more than one node but have * anti-colocation primaries on each; * - the dependent could be a clone or bundle with multiple * instances, and the dependent as a whole is allowed on multiple * nodes but some instance still can't run * - the dependent has considered node-specific criteria such as * location constraints and stickiness by this point, but might * have other factors that end up disallowing a node * * but the alternative is making the primary move when it doesn't * need to. * * We also consider the primary's stickiness and influence, so the * user has some say in the matter. (This is the configured primary, * not a particular instance of the primary, but that doesn't matter * unless stickiness uses a rule to vary by node, and that seems * acceptable to ignore.) */ if ((colocation->primary->priv->stickiness >= -score) || !pcmk__colocation_has_influence(colocation, NULL) || !allowed_on_one(colocation->dependent)) { crm_trace("%s: Filtering %d + %f * %d " "(double negative disallowed)", pcmk__node_name(node), node->assign->score, factor, score); continue; } } if (node->assign->score == INFINITY_HACK) { crm_trace("%s: Filtering %d + %f * %d (node was marked unusable)", pcmk__node_name(node), node->assign->score, factor, score); continue; } delta_f = factor * score; // Round the number; see http://c-faq.com/fp/round.html delta = (int) ((delta_f < 0)? (delta_f - 0.5) : (delta_f + 0.5)); /* Small factors can obliterate the small scores that are often actually * used in configurations. If the score and factor are nonzero, ensure * that the result is nonzero as well. */ if ((delta == 0) && (score != 0)) { if (factor > 0.0) { delta = 1; } else if (factor < 0.0) { delta = -1; } } new_score = pcmk__add_scores(delta, node->assign->score); if (only_positive && (new_score < 0) && (node->assign->score > 0)) { crm_trace("%s: Filtering %d + %f * %d = %d " "(negative disallowed, marking node unusable)", pcmk__node_name(node), node->assign->score, factor, score, new_score); node->assign->score = INFINITY_HACK; continue; } if (only_positive && (new_score < 0) && (node->assign->score == 0)) { crm_trace("%s: Filtering %d + %f * %d = %d (negative disallowed)", pcmk__node_name(node), node->assign->score, factor, score, new_score); continue; } crm_trace("%s: %d + %f * %d = %d", pcmk__node_name(node), node->assign->score, factor, score, new_score); node->assign->score = new_score; } } /*! * \internal * \brief Update nodes with scores of colocated resources' nodes * * Given a table of nodes and a resource, update the nodes' scores with the * scores of the best nodes matching the attribute used for each of the * resource's relevant colocations. * * \param[in,out] source_rsc Resource whose node scores to add * \param[in] target_rsc Resource on whose behalf to update \p *nodes * \param[in] log_id Resource ID for logs (if \c NULL, use * \p source_rsc ID) * \param[in,out] nodes Nodes to update (set initial contents to \c NULL * to copy allowed nodes from \p source_rsc) * \param[in] colocation Original colocation constraint (used to get * configured primary resource's stickiness, and * to get colocation node attribute; if \c NULL, * source_rsc's own matching node scores * will not be added, and \p *nodes must be \c NULL * as well) * \param[in] factor Incorporate scores multiplied by this factor * \param[in] flags Bitmask of enum pcmk__coloc_select values * * \note \c NULL \p target_rsc, \c NULL \p *nodes, \c NULL \p colocation, and * the \c pcmk__coloc_select_this_with flag are used together (and only by * \c cmp_resources()). * \note The caller remains responsible for freeing \p *nodes. * \note This is the shared implementation of * \c pcmk__assignment_methods_t:add_colocated_node_scores(). */ void pcmk__add_colocated_node_scores(pcmk_resource_t *source_rsc, const pcmk_resource_t *target_rsc, const char *log_id, GHashTable **nodes, const pcmk__colocation_t *colocation, float factor, uint32_t flags) { GHashTable *work = NULL; CRM_ASSERT((source_rsc != NULL) && (nodes != NULL) && ((colocation != NULL) || ((target_rsc == NULL) && (*nodes == NULL)))); if (log_id == NULL) { log_id = source_rsc->id; } // Avoid infinite recursion if (pcmk_is_set(source_rsc->flags, pcmk__rsc_updating_nodes)) { pcmk__rsc_info(source_rsc, "%s: Breaking dependency loop at %s", log_id, source_rsc->id); return; } pcmk__set_rsc_flags(source_rsc, pcmk__rsc_updating_nodes); if (*nodes == NULL) { work = pcmk__copy_node_table(source_rsc->priv->allowed_nodes); target_rsc = source_rsc; } else { const bool pos = pcmk_is_set(flags, pcmk__coloc_select_nonnegative); pcmk__rsc_trace(source_rsc, "%s: Merging %s scores from %s (at %.6f)", log_id, (pos? "positive" : "all"), source_rsc->id, factor); work = pcmk__copy_node_table(*nodes); add_node_scores_matching_attr(work, source_rsc, target_rsc, colocation, factor, pos); } if (work == NULL) { pcmk__clear_rsc_flags(source_rsc, pcmk__rsc_updating_nodes); return; } if (pcmk__any_node_available(work)) { GList *colocations = NULL; if (pcmk_is_set(flags, pcmk__coloc_select_this_with)) { colocations = pcmk__this_with_colocations(source_rsc); pcmk__rsc_trace(source_rsc, "Checking additional %d optional '%s with' " "constraints", g_list_length(colocations), source_rsc->id); } else { colocations = pcmk__with_this_colocations(source_rsc); pcmk__rsc_trace(source_rsc, "Checking additional %d optional 'with %s' " "constraints", g_list_length(colocations), source_rsc->id); } flags |= pcmk__coloc_select_active; for (GList *iter = colocations; iter != NULL; iter = iter->next) { pcmk__colocation_t *constraint = iter->data; pcmk_resource_t *other = NULL; float other_factor = factor * constraint->score / (float) PCMK_SCORE_INFINITY; if (pcmk_is_set(flags, pcmk__coloc_select_this_with)) { other = constraint->primary; } else if (!pcmk__colocation_has_influence(constraint, NULL)) { continue; } else { other = constraint->dependent; } pcmk__rsc_trace(source_rsc, "Optionally merging score of '%s' constraint " "(%s with %s)", constraint->id, constraint->dependent->id, constraint->primary->id); other->priv->cmds->add_colocated_node_scores(other, target_rsc, log_id, &work, constraint, other_factor, flags); pe__show_node_scores(true, NULL, log_id, work, source_rsc->priv->scheduler); } g_list_free(colocations); } else if (pcmk_is_set(flags, pcmk__coloc_select_active)) { pcmk__rsc_info(source_rsc, "%s: Rolling back optional scores from %s", log_id, source_rsc->id); g_hash_table_destroy(work); pcmk__clear_rsc_flags(source_rsc, pcmk__rsc_updating_nodes); return; } if (pcmk_is_set(flags, pcmk__coloc_select_nonnegative)) { pcmk_node_t *node = NULL; GHashTableIter iter; g_hash_table_iter_init(&iter, work); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { if (node->assign->score == INFINITY_HACK) { node->assign->score = 1; } } } if (*nodes != NULL) { g_hash_table_destroy(*nodes); } *nodes = work; pcmk__clear_rsc_flags(source_rsc, pcmk__rsc_updating_nodes); } /*! * \internal * \brief Apply a "with this" colocation to a resource's allowed node scores * * \param[in,out] data Colocation to apply * \param[in,out] user_data Resource being assigned */ void pcmk__add_dependent_scores(gpointer data, gpointer user_data) { pcmk__colocation_t *colocation = data; pcmk_resource_t *primary = user_data; pcmk_resource_t *dependent = colocation->dependent; const float factor = colocation->score / (float) PCMK_SCORE_INFINITY; uint32_t flags = pcmk__coloc_select_active; if (!pcmk__colocation_has_influence(colocation, NULL)) { return; } if (pcmk__is_clone(primary)) { flags |= pcmk__coloc_select_nonnegative; } pcmk__rsc_trace(primary, "%s: Incorporating attenuated %s assignment scores due " "to colocation %s", primary->id, dependent->id, colocation->id); dependent->priv->cmds->add_colocated_node_scores(dependent, primary, dependent->id, &(primary->priv->allowed_nodes), colocation, factor, flags); } /*! * \internal * \brief Exclude nodes from a dependent's node table if not in a given list * * Given a dependent resource in a colocation and a list of nodes where the * primary resource will run, set a node's score to \c -INFINITY in the * dependent's node table if not found in the primary nodes list. * * \param[in,out] dependent Dependent resource * \param[in] primary Primary resource (for logging only) * \param[in] colocation Colocation constraint (for logging only) * \param[in] primary_nodes List of nodes where the primary will have * unblocked instances in a suitable role * \param[in] merge_scores If \c true and a node is found in both \p table * and \p list, add the node's score in \p list to * the node's score in \p table */ void pcmk__colocation_intersect_nodes(pcmk_resource_t *dependent, const pcmk_resource_t *primary, const pcmk__colocation_t *colocation, const GList *primary_nodes, bool merge_scores) { GHashTableIter iter; pcmk_node_t *dependent_node = NULL; CRM_ASSERT((dependent != NULL) && (primary != NULL) && (colocation != NULL)); g_hash_table_iter_init(&iter, dependent->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &dependent_node)) { const pcmk_node_t *primary_node = NULL; primary_node = pe_find_node_id(primary_nodes, dependent_node->priv->id); if (primary_node == NULL) { dependent_node->assign->score = -PCMK_SCORE_INFINITY; pcmk__rsc_trace(dependent, "Banning %s from %s (no primary instance) for %s", dependent->id, pcmk__node_name(dependent_node), colocation->id); } else if (merge_scores) { dependent_node->assign->score = pcmk__add_scores(dependent_node->assign->score, primary_node->assign->score); pcmk__rsc_trace(dependent, "Added %s's score %s to %s's score for %s (now %d) " "for colocation %s", primary->id, pcmk_readable_score(primary_node->assign->score), dependent->id, pcmk__node_name(dependent_node), dependent_node->assign->score, colocation->id); } } } /*! * \internal * \brief Get all colocations affecting a resource as the primary * * \param[in] rsc Resource to get colocations for * * \return Newly allocated list of colocations affecting \p rsc as primary * * \note This is a convenience wrapper for the with_this_colocations() method. */ GList * pcmk__with_this_colocations(const pcmk_resource_t *rsc) { GList *list = NULL; rsc->priv->cmds->with_this_colocations(rsc, rsc, &list); return list; } /*! * \internal * \brief Get all colocations affecting a resource as the dependent * * \param[in] rsc Resource to get colocations for * * \return Newly allocated list of colocations affecting \p rsc as dependent * * \note This is a convenience wrapper for the this_with_colocations() method. */ GList * pcmk__this_with_colocations(const pcmk_resource_t *rsc) { GList *list = NULL; rsc->priv->cmds->this_with_colocations(rsc, rsc, &list); return list; } diff --git a/lib/pacemaker/pcmk_sched_constraints.c b/lib/pacemaker/pcmk_sched_constraints.c index d156449993..13aa12969d 100644 --- a/lib/pacemaker/pcmk_sched_constraints.c +++ b/lib/pacemaker/pcmk_sched_constraints.c @@ -1,436 +1,438 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "libpacemaker_private.h" static bool evaluate_lifetime(xmlNode *lifetime, pcmk_scheduler_t *scheduler) { bool result = false; crm_time_t *next_change = crm_time_new_undefined(); pcmk_rule_input_t rule_input = { .now = scheduler->priv->now, }; result = (pcmk__evaluate_rules(lifetime, &rule_input, next_change) == pcmk_rc_ok); if (crm_time_is_defined(next_change)) { time_t recheck = (time_t) crm_time_get_seconds_since_epoch(next_change); pe__update_recheck_time(recheck, scheduler, "constraint lifetime"); } crm_time_free(next_change); return result; } /*! * \internal * \brief Unpack constraints from XML * * Given scheduler data, unpack all constraints from its input XML into * data structures. * * \param[in,out] scheduler Scheduler data */ void pcmk__unpack_constraints(pcmk_scheduler_t *scheduler) { xmlNode *xml_constraints = pcmk_find_cib_element(scheduler->input, PCMK_XE_CONSTRAINTS); for (xmlNode *xml_obj = pcmk__xe_first_child(xml_constraints, NULL, NULL, NULL); xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) { xmlNode *lifetime = NULL; const char *id = crm_element_value(xml_obj, PCMK_XA_ID); const char *tag = (const char *) xml_obj->name; if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, tag); continue; } crm_trace("Unpacking %s constraint '%s'", tag, id); lifetime = pcmk__xe_first_child(xml_obj, PCMK__XE_LIFETIME, NULL, NULL); if (lifetime != NULL) { pcmk__config_warn("Support for '" PCMK__XE_LIFETIME "' element " "(in %s) is deprecated and will be dropped " "in a later release", id); } if ((lifetime != NULL) && !evaluate_lifetime(lifetime, scheduler)) { crm_info("Constraint %s %s is not active", tag, id); } else if (pcmk__str_eq(PCMK_XE_RSC_ORDER, tag, pcmk__str_none)) { pcmk__unpack_ordering(xml_obj, scheduler); } else if (pcmk__str_eq(PCMK_XE_RSC_COLOCATION, tag, pcmk__str_none)) { pcmk__unpack_colocation(xml_obj, scheduler); } else if (pcmk__str_eq(PCMK_XE_RSC_LOCATION, tag, pcmk__str_none)) { pcmk__unpack_location(xml_obj, scheduler); } else if (pcmk__str_eq(PCMK_XE_RSC_TICKET, tag, pcmk__str_none)) { pcmk__unpack_rsc_ticket(xml_obj, scheduler); } else { pcmk__config_err("Unsupported constraint type: %s", tag); } } } pcmk_resource_t * pcmk__find_constraint_resource(GList *rsc_list, const char *id) { if (id == NULL) { return NULL; } for (GList *iter = rsc_list; iter != NULL; iter = iter->next) { pcmk_resource_t *parent = iter->data; pcmk_resource_t *match = NULL; match = parent->priv->fns->find_rsc(parent, id, NULL, pcmk_rsc_match_history); if (match != NULL) { if (!pcmk__str_eq(match->id, id, pcmk__str_none)) { /* We found an instance of a clone instead */ match = uber_parent(match); crm_debug("Found %s for %s", match->id, id); } return match; } } crm_trace("No match for %s", id); return NULL; } /*! * \internal * \brief Check whether an ID references a resource tag * * \param[in] scheduler Scheduler data * \param[in] id Tag ID to search for * \param[out] tag Where to store tag, if found * * \return true if ID refers to a tagged resource or resource set template, * otherwise false */ static bool find_constraint_tag(const pcmk_scheduler_t *scheduler, const char *id, pcmk__idref_t **tag) { *tag = NULL; // Check whether id refers to a resource set template if (g_hash_table_lookup_extended(scheduler->template_rsc_sets, id, NULL, (gpointer *) tag)) { if (*tag == NULL) { crm_notice("No resource is derived from template '%s'", id); return false; } return true; } // If not, check whether id refers to a tag if (g_hash_table_lookup_extended(scheduler->tags, id, NULL, (gpointer *) tag)) { if (*tag == NULL) { crm_notice("No resource is tagged with '%s'", id); return false; } return true; } pcmk__config_warn("No resource, template, or tag named '%s'", id); return false; } /*! * \brief * \internal Check whether an ID refers to a valid resource or tag * * \param[in] scheduler Scheduler data * \param[in] id ID to search for * \param[out] rsc Where to store resource, if found * (or NULL to skip searching resources) * \param[out] tag Where to store tag, if found * (or NULL to skip searching tags) * * \return true if id refers to a resource (possibly indirectly via a tag) */ bool pcmk__valid_resource_or_tag(const pcmk_scheduler_t *scheduler, const char *id, pcmk_resource_t **rsc, pcmk__idref_t **tag) { if (rsc != NULL) { - *rsc = pcmk__find_constraint_resource(scheduler->resources, id); + *rsc = pcmk__find_constraint_resource(scheduler->priv->resources, id); if (*rsc != NULL) { return true; } } if ((tag != NULL) && find_constraint_tag(scheduler, id, tag)) { return true; } return false; } /*! * \internal * \brief Replace any resource tags with equivalent \C PCMK_XE_RESOURCE_REF * entries * * If a given constraint has resource sets, check each set for * \c PCMK_XE_RESOURCE_REF entries that list tags rather than resource IDs, and * replace any found with \c PCMK_XE_RESOURCE_REF entries for the corresponding * resource IDs. * * \param[in,out] xml_obj Constraint XML * \param[in] scheduler Scheduler data * * \return Equivalent XML with resource tags replaced (or NULL if none) * \note It is the caller's responsibility to free the return value with * \c pcmk__xml_free(). */ xmlNode * pcmk__expand_tags_in_sets(xmlNode *xml_obj, const pcmk_scheduler_t *scheduler) { xmlNode *new_xml = NULL; bool any_refs = false; // Short-circuit if there are no sets if (pcmk__xe_first_child(xml_obj, PCMK_XE_RESOURCE_SET, NULL, NULL) == NULL) { return NULL; } new_xml = pcmk__xml_copy(NULL, xml_obj); for (xmlNode *set = pcmk__xe_first_child(new_xml, PCMK_XE_RESOURCE_SET, NULL, NULL); set != NULL; set = pcmk__xe_next_same(set)) { GList *tag_refs = NULL; GList *iter = NULL; for (xmlNode *xml_rsc = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { pcmk_resource_t *rsc = NULL; pcmk__idref_t *tag = NULL; if (!pcmk__valid_resource_or_tag(scheduler, pcmk__xe_id(xml_rsc), &rsc, &tag)) { pcmk__config_err("Ignoring resource sets for constraint '%s' " "because '%s' is not a valid resource or tag", pcmk__xe_id(xml_obj), pcmk__xe_id(xml_rsc)); pcmk__xml_free(new_xml); return NULL; } else if (rsc) { continue; } else if (tag) { /* PCMK_XE_RESOURCE_REF under PCMK_XE_RESOURCE_SET references * template or tag */ xmlNode *last_ref = xml_rsc; /* For example, given the original XML: * * * * * * * * If rsc2 and rsc3 are tagged with tag1, we add them after it: * * * * * * * * */ for (iter = tag->refs; iter != NULL; iter = iter->next) { const char *obj_ref = iter->data; xmlNode *new_rsc_ref = NULL; new_rsc_ref = xmlNewDocRawNode(set->doc, NULL, (pcmkXmlStr) PCMK_XE_RESOURCE_REF, NULL); crm_xml_add(new_rsc_ref, PCMK_XA_ID, obj_ref); xmlAddNextSibling(last_ref, new_rsc_ref); last_ref = new_rsc_ref; } any_refs = true; /* Freeing the resource_ref now would break the XML child * iteration, so just remember it for freeing later. */ tag_refs = g_list_append(tag_refs, xml_rsc); } } /* Now free '', and finally get: */ for (iter = tag_refs; iter != NULL; iter = iter->next) { xmlNode *tag_ref = iter->data; pcmk__xml_free(tag_ref); } g_list_free(tag_refs); } if (!any_refs) { pcmk__xml_free(new_xml); new_xml = NULL; } return new_xml; } /*! * \internal * \brief Convert a tag into a resource set of tagged resources * * \param[in,out] xml_obj Constraint XML * \param[out] rsc_set Where to store resource set XML * \param[in] attr Name of XML attribute with resource or tag ID * \param[in] convert_rsc If true, convert to set even if \p attr * references a resource * \param[in] scheduler Scheduler data */ bool pcmk__tag_to_set(xmlNode *xml_obj, xmlNode **rsc_set, const char *attr, bool convert_rsc, const pcmk_scheduler_t *scheduler) { const char *cons_id = NULL; const char *id = NULL; pcmk_resource_t *rsc = NULL; pcmk__idref_t *tag = NULL; *rsc_set = NULL; CRM_CHECK((xml_obj != NULL) && (attr != NULL), return false); cons_id = pcmk__xe_id(xml_obj); if (cons_id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return false; } id = crm_element_value(xml_obj, attr); if (id == NULL) { return true; } if (!pcmk__valid_resource_or_tag(scheduler, id, &rsc, &tag)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", cons_id, id); return false; } else if (tag) { /* The "attr" attribute (for a resource in a constraint) specifies a * template or tag. Add the corresponding PCMK_XE_RESOURCE_SET * containing the resources derived from or tagged with it. */ *rsc_set = pcmk__xe_create(xml_obj, PCMK_XE_RESOURCE_SET); crm_xml_add(*rsc_set, PCMK_XA_ID, id); for (GList *iter = tag->refs; iter != NULL; iter = iter->next) { const char *obj_ref = iter->data; xmlNode *rsc_ref = NULL; rsc_ref = pcmk__xe_create(*rsc_set, PCMK_XE_RESOURCE_REF); crm_xml_add(rsc_ref, PCMK_XA_ID, obj_ref); } // Set PCMK_XA_SEQUENTIAL=PCMK_VALUE_FALSE for the PCMK_XE_RESOURCE_SET pcmk__xe_set_bool_attr(*rsc_set, PCMK_XA_SEQUENTIAL, false); } else if ((rsc != NULL) && convert_rsc) { /* Even if a regular resource is referenced by "attr", convert it into a * PCMK_XE_RESOURCE_SET, because the other resource reference in the * constraint could be a template or tag. */ xmlNode *rsc_ref = NULL; *rsc_set = pcmk__xe_create(xml_obj, PCMK_XE_RESOURCE_SET); crm_xml_add(*rsc_set, PCMK_XA_ID, id); rsc_ref = pcmk__xe_create(*rsc_set, PCMK_XE_RESOURCE_REF); crm_xml_add(rsc_ref, PCMK_XA_ID, id); } else { return true; } /* Remove the "attr" attribute referencing the template/tag */ if (*rsc_set != NULL) { pcmk__xe_remove_attr(xml_obj, attr); } return true; } /*! * \internal * \brief Create constraints inherent to resource types * * \param[in,out] scheduler Scheduler data */ void pcmk__create_internal_constraints(pcmk_scheduler_t *scheduler) { crm_trace("Create internal constraints"); - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; rsc->priv->cmds->internal_constraints(rsc); } } diff --git a/lib/pacemaker/pcmk_sched_fencing.c b/lib/pacemaker/pcmk_sched_fencing.c index adfb179c8b..54903fc927 100644 --- a/lib/pacemaker/pcmk_sched_fencing.c +++ b/lib/pacemaker/pcmk_sched_fencing.c @@ -1,509 +1,509 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include "libpacemaker_private.h" /*! * \internal * \brief Check whether a resource is known on a particular node * * \param[in] rsc Resource to check * \param[in] node Node to check * * \return TRUE if resource (or parent if an anonymous clone) is known */ static bool rsc_is_known_on(const pcmk_resource_t *rsc, const pcmk_node_t *node) { const pcmk_resource_t *parent = rsc->priv->parent; if (g_hash_table_lookup(rsc->priv->probed_nodes, node->priv->id) != NULL) { return TRUE; } else if (pcmk__is_primitive(rsc) && pcmk__is_anonymous_clone(parent) && (g_hash_table_lookup(parent->priv->probed_nodes, node->priv->id) != NULL)) { /* We check only the parent, not the uber-parent, because we cannot * assume that the resource is known if it is in an anonymously cloned * group (which may be only partially known). */ return TRUE; } return FALSE; } /*! * \internal * \brief Order a resource's start and promote actions relative to fencing * * \param[in,out] rsc Resource to be ordered * \param[in,out] stonith_op Fence action */ static void order_start_vs_fencing(pcmk_resource_t *rsc, pcmk_action_t *stonith_op) { pcmk_node_t *target; CRM_CHECK(stonith_op && stonith_op->node, return); target = stonith_op->node; for (GList *iter = rsc->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = iter->data; switch (action->needs) { case pcmk__requires_nothing: // Anything other than start or promote requires nothing break; case pcmk__requires_fencing: order_actions(stonith_op, action, pcmk__ar_ordered); break; case pcmk__requires_quorum: if (pcmk__str_eq(action->task, PCMK_ACTION_START, pcmk__str_none) && (g_hash_table_lookup(rsc->priv->allowed_nodes, target->priv->id) != NULL) && !rsc_is_known_on(rsc, target)) { /* If we don't know the status of the resource on the node * we're about to shoot, we have to assume it may be active * there. Order the resource start after the fencing. This * is analogous to waiting for all the probes for a resource * to complete before starting it. * * The most likely explanation is that the DC died and took * its status with it. */ pcmk__rsc_debug(rsc, "Ordering %s after %s recovery", action->uuid, pcmk__node_name(target)); order_actions(stonith_op, action, pcmk__ar_ordered |pcmk__ar_unrunnable_first_blocks); } break; } } } /*! * \internal * \brief Order a resource's stop and demote actions relative to fencing * * \param[in,out] rsc Resource to be ordered * \param[in,out] stonith_op Fence action */ static void order_stop_vs_fencing(pcmk_resource_t *rsc, pcmk_action_t *stonith_op) { GList *iter = NULL; GList *action_list = NULL; bool order_implicit = false; pcmk_resource_t *top = uber_parent(rsc); pcmk_action_t *parent_stop = NULL; pcmk_node_t *target; CRM_CHECK(stonith_op && stonith_op->node, return); target = stonith_op->node; /* Get a list of stop actions potentially implied by the fencing */ action_list = pe__resource_actions(rsc, target, PCMK_ACTION_STOP, FALSE); /* If resource requires fencing, implicit actions must occur after fencing. * * Implied stops and demotes of resources running on guest nodes are always * ordered after fencing, even if the resource does not require fencing, * because guest node "fencing" is actually just a resource stop. */ if (pcmk_is_set(rsc->flags, pcmk__rsc_needs_fencing) || pcmk__is_guest_or_bundle_node(target)) { order_implicit = true; } if (action_list && order_implicit) { parent_stop = find_first_action(top->priv->actions, NULL, PCMK_ACTION_STOP, NULL); } for (iter = action_list; iter != NULL; iter = iter->next) { pcmk_action_t *action = iter->data; // The stop would never complete, so convert it into a pseudo-action. pcmk__set_action_flags(action, pcmk__action_pseudo|pcmk__action_runnable); if (order_implicit) { /* Order the stonith before the parent stop (if any). * * Also order the stonith before the resource stop, unless the * resource is inside a bundle -- that would cause a graph loop. * We can rely on the parent stop's ordering instead. * * User constraints must not order a resource in a guest node * relative to the guest node container resource. The * pcmk__ar_guest_allowed flag marks constraints as generated by the * cluster and thus immune to that check (and is irrelevant if * target is not a guest). */ if (!pcmk__is_bundled(rsc)) { order_actions(stonith_op, action, pcmk__ar_guest_allowed); } order_actions(stonith_op, parent_stop, pcmk__ar_guest_allowed); } if (pcmk_is_set(rsc->flags, pcmk__rsc_failed)) { crm_notice("Stop of failed resource %s is implicit %s %s is fenced", rsc->id, (order_implicit? "after" : "because"), pcmk__node_name(target)); } else { crm_info("%s is implicit %s %s is fenced", action->uuid, (order_implicit? "after" : "because"), pcmk__node_name(target)); } if (pcmk_is_set(rsc->flags, pcmk__rsc_notify)) { pe__order_notifs_after_fencing(action, rsc, stonith_op); } #if 0 /* It might be a good idea to stop healthy resources on a node about to * be fenced, when possible. * * However, fencing must be done before a failed resource's * (pseudo-)stop action, so that could create a loop. For example, given * a group of A and B running on node N with a failed stop of B: * * fence N -> stop B (pseudo-op) -> stop A -> fence N * * The block below creates the stop A -> fence N ordering and therefore * must (at least for now) be disabled. Instead, run the block above and * treat all resources on N as B would be (i.e., as a pseudo-op after * the fencing). * * @TODO Maybe break the "A requires B" dependency in * pcmk__update_action_for_orderings() and use this block for healthy * resources instead of the above. */ crm_info("Moving healthy resource %s off %s before fencing", rsc->id, pcmk__node_name(node)); pcmk__new_ordering(rsc, stop_key(rsc), NULL, NULL, strdup(PCMK_ACTION_STONITH), stonith_op, pcmk__ar_ordered, rsc->private->scheduler); #endif } g_list_free(action_list); /* Get a list of demote actions potentially implied by the fencing */ action_list = pe__resource_actions(rsc, target, PCMK_ACTION_DEMOTE, FALSE); for (iter = action_list; iter != NULL; iter = iter->next) { pcmk_action_t *action = iter->data; if (!(action->node->details->online) || action->node->details->unclean || pcmk_is_set(rsc->flags, pcmk__rsc_failed)) { if (pcmk_is_set(rsc->flags, pcmk__rsc_failed)) { pcmk__rsc_info(rsc, "Demote of failed resource %s is implicit " "after %s is fenced", rsc->id, pcmk__node_name(target)); } else { pcmk__rsc_info(rsc, "%s is implicit after %s is fenced", action->uuid, pcmk__node_name(target)); } /* The demote would never complete and is now implied by the * fencing, so convert it into a pseudo-action. */ pcmk__set_action_flags(action, pcmk__action_pseudo|pcmk__action_runnable); if (pcmk__is_bundled(rsc)) { // Recovery will be ordered as usual after parent's implied stop } else if (order_implicit) { order_actions(stonith_op, action, pcmk__ar_guest_allowed|pcmk__ar_ordered); } } } g_list_free(action_list); } /*! * \internal * \brief Order resource actions properly relative to fencing * * \param[in,out] rsc Resource whose actions should be ordered * \param[in,out] stonith_op Fencing operation to be ordered against */ static void rsc_stonith_ordering(pcmk_resource_t *rsc, pcmk_action_t *stonith_op) { if (rsc->priv->children != NULL) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child_rsc = iter->data; rsc_stonith_ordering(child_rsc, stonith_op); } } else if (!pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { pcmk__rsc_trace(rsc, "Skipping fencing constraints for unmanaged resource: " "%s", rsc->id); } else { order_start_vs_fencing(rsc, stonith_op); order_stop_vs_fencing(rsc, stonith_op); } } /*! * \internal * \brief Order all actions appropriately relative to a fencing operation * * Ensure start operations of affected resources are ordered after fencing, * imply stop and demote operations of affected resources by marking them as * pseudo-actions, etc. * * \param[in,out] stonith_op Fencing operation * \param[in,out] scheduler Scheduler data */ void pcmk__order_vs_fence(pcmk_action_t *stonith_op, pcmk_scheduler_t *scheduler) { CRM_CHECK(stonith_op && scheduler, return); - for (GList *r = scheduler->resources; r != NULL; r = r->next) { + for (GList *r = scheduler->priv->resources; r != NULL; r = r->next) { rsc_stonith_ordering((pcmk_resource_t *) r->data, stonith_op); } } /*! * \internal * \brief Order an action after unfencing * * \param[in] rsc Resource that action is for * \param[in,out] node Node that action is on * \param[in,out] action Action to be ordered after unfencing * \param[in] order Ordering flags */ void pcmk__order_vs_unfence(const pcmk_resource_t *rsc, pcmk_node_t *node, pcmk_action_t *action, enum pcmk__action_relation_flags order) { /* When unfencing is in use, we order unfence actions before any probe or * start of resources that require unfencing, and also of fence devices. * * This might seem to violate the principle that fence devices require * only quorum. However, fence agents that unfence often don't have enough * information to even probe or start unless the node is first unfenced. */ if ((pcmk_is_set(rsc->flags, pcmk__rsc_fence_device) && pcmk_is_set(rsc->priv->scheduler->flags, pcmk__sched_enable_unfencing)) || pcmk_is_set(rsc->flags, pcmk__rsc_needs_unfencing)) { /* Start with an optional ordering. Requiring unfencing would result in * the node being unfenced, and all its resources being stopped, * whenever a new resource is added -- which would be highly suboptimal. */ pcmk_action_t *unfence = pe_fence_op(node, PCMK_ACTION_ON, TRUE, NULL, FALSE, node->priv->scheduler); order_actions(unfence, action, order); if (!pcmk__node_unfenced(node)) { // But unfencing is required if it has never been done char *reason = crm_strdup_printf("required by %s %s", rsc->id, action->task); trigger_unfencing(NULL, node, reason, NULL, node->priv->scheduler); free(reason); } } } /*! * \internal * \brief Create pseudo-op for guest node fence, and order relative to it * * \param[in,out] node Guest node to fence */ void pcmk__fence_guest(pcmk_node_t *node) { pcmk_resource_t *launcher = NULL; pcmk_action_t *stop = NULL; pcmk_action_t *stonith_op = NULL; /* The fence action is just a label; we don't do anything differently for * off vs. reboot. We specify it explicitly, rather than let it default to * cluster's default action, because we are not _initiating_ fencing -- we * are creating a pseudo-event to describe fencing that is already occurring * by other means (launcher recovery). */ const char *fence_action = PCMK_ACTION_OFF; CRM_ASSERT(node != NULL); /* Check whether guest's launcher has any explicit stop or start (the stop * may be implied by fencing of the guest's host). */ launcher = node->priv->remote->priv->launcher; if (launcher != NULL) { stop = find_first_action(launcher->priv->actions, NULL, PCMK_ACTION_STOP, NULL); if (find_first_action(launcher->priv->actions, NULL, PCMK_ACTION_START, NULL)) { fence_action = PCMK_ACTION_REBOOT; } } /* Create a fence pseudo-event, so we have an event to order actions * against, and the controller can always detect it. */ stonith_op = pe_fence_op(node, fence_action, FALSE, "guest is unclean", FALSE, node->priv->scheduler); pcmk__set_action_flags(stonith_op, pcmk__action_pseudo|pcmk__action_runnable); /* We want to imply stops/demotes after the guest is stopped, not wait until * it is restarted, so we always order pseudo-fencing after stop, not start * (even though start might be closer to what is done for a real reboot). */ if ((stop != NULL) && pcmk_is_set(stop->flags, pcmk__action_pseudo)) { pcmk_action_t *parent_stonith_op = pe_fence_op(stop->node, NULL, FALSE, NULL, FALSE, node->priv->scheduler); crm_info("Implying guest %s is down (action %d) after %s fencing", pcmk__node_name(node), stonith_op->id, pcmk__node_name(stop->node)); order_actions(parent_stonith_op, stonith_op, pcmk__ar_unrunnable_first_blocks |pcmk__ar_first_implies_then); } else if (stop) { order_actions(stop, stonith_op, pcmk__ar_unrunnable_first_blocks |pcmk__ar_first_implies_then); crm_info("Implying guest %s is down (action %d) " "after launcher %s is stopped (action %d)", pcmk__node_name(node), stonith_op->id, launcher->id, stop->id); } else { /* If we're fencing the guest node but there's no stop for the guest * resource, we must think the guest is already stopped. However, we may * think so because its resource history was just cleaned. To avoid * unnecessarily considering the guest node down if it's really up, * order the pseudo-fencing after any stop of the connection resource, * which will be ordered after any launcher (re-)probe. */ stop = find_first_action(node->priv->remote->priv->actions, NULL, PCMK_ACTION_STOP, NULL); if (stop) { order_actions(stop, stonith_op, pcmk__ar_ordered); crm_info("Implying guest %s is down (action %d) " "after connection is stopped (action %d)", pcmk__node_name(node), stonith_op->id, stop->id); } else { /* Not sure why we're fencing, but everything must already be * cleanly stopped. */ crm_info("Implying guest %s is down (action %d) ", pcmk__node_name(node), stonith_op->id); } } // Order/imply other actions relative to pseudo-fence as with real fence pcmk__order_vs_fence(stonith_op, node->priv->scheduler); } /*! * \internal * \brief Check whether node has already been unfenced * * \param[in] node Node to check * * \return true if node has a nonzero #node-unfenced attribute (or none), * otherwise false */ bool pcmk__node_unfenced(const pcmk_node_t *node) { const char *unfenced = pcmk__node_attr(node, CRM_ATTR_UNFENCED, NULL, pcmk__rsc_node_current); return !pcmk__str_eq(unfenced, "0", pcmk__str_null_matches); } /*! * \internal * \brief Order a resource's start and stop relative to unfencing of a node * * \param[in,out] data Node that could be unfenced * \param[in,out] user_data Resource to order */ void pcmk__order_restart_vs_unfence(gpointer data, gpointer user_data) { pcmk_node_t *node = (pcmk_node_t *) data; pcmk_resource_t *rsc = (pcmk_resource_t *) user_data; pcmk_action_t *unfence = pe_fence_op(node, PCMK_ACTION_ON, true, NULL, false, rsc->priv->scheduler); crm_debug("Ordering any stops of %s before %s, and any starts after", rsc->id, unfence->uuid); /* * It would be more efficient to order clone resources once, * rather than order each instance, but ordering the instance * allows us to avoid unnecessary dependencies that might conflict * with user constraints. * * @TODO: This constraint can still produce a transition loop if the * resource has a stop scheduled on the node being unfenced, and * there is a user ordering constraint to start some other resource * (which will be ordered after the unfence) before stopping this * resource. An example is "start some slow-starting cloned service * before stopping an associated virtual IP that may be moving to * it": * stop this -> unfencing -> start that -> stop this */ pcmk__new_ordering(rsc, stop_key(rsc), NULL, NULL, strdup(unfence->uuid), unfence, pcmk__ar_ordered|pcmk__ar_if_on_same_node, rsc->priv->scheduler); pcmk__new_ordering(NULL, strdup(unfence->uuid), unfence, rsc, start_key(rsc), NULL, pcmk__ar_first_implies_same_node_then |pcmk__ar_if_on_same_node, rsc->priv->scheduler); } diff --git a/lib/pacemaker/pcmk_sched_location.c b/lib/pacemaker/pcmk_sched_location.c index 55d7293932..eccbcf674a 100644 --- a/lib/pacemaker/pcmk_sched_location.c +++ b/lib/pacemaker/pcmk_sched_location.c @@ -1,732 +1,732 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include "libpacemaker_private.h" static int get_node_score(const char *rule, const char *score, bool raw, pcmk_node_t *node, pcmk_resource_t *rsc) { int score_f = 0; if (score == NULL) { pcmk__config_warn("Rule %s: no score specified (assuming 0)", rule); } else if (raw) { score_f = char2score(score); } else { const char *target = NULL; const char *attr_score = NULL; target = g_hash_table_lookup(rsc->priv->meta, PCMK_META_CONTAINER_ATTRIBUTE_TARGET); attr_score = pcmk__node_attr(node, score, target, pcmk__rsc_node_current); if (attr_score == NULL) { crm_debug("Rule %s: %s did not have a value for %s", rule, pcmk__node_name(node), score); score_f = -PCMK_SCORE_INFINITY; } else { crm_debug("Rule %s: %s had value %s for %s", rule, pcmk__node_name(node), attr_score, score); score_f = char2score(attr_score); } } return score_f; } /*! * \internal * \brief Parse a role configuration for a location constraint * * \param[in] role_spec Role specification * \param[out] role Where to store parsed role * * \return true if role specification is valid, otherwise false */ static bool parse_location_role(const char *role_spec, enum rsc_role_e *role) { if (role_spec == NULL) { *role = pcmk_role_unknown; return true; } *role = pcmk_parse_role(role_spec); switch (*role) { case pcmk_role_unknown: return false; case pcmk_role_started: case pcmk_role_unpromoted: /* Any promotable clone instance cannot be promoted without being in * the unpromoted role first. Therefore, any constraint for the * started or unpromoted role applies to every role. */ *role = pcmk_role_unknown; break; default: break; } return true; } /*! * \internal * \brief Generate a location constraint from a rule * * \param[in,out] rsc Resource that constraint is for * \param[in] rule_xml Rule XML (sub-element of location constraint) * \param[in] discovery Value of \c PCMK_XA_RESOURCE_DISCOVERY for * constraint * \param[out] next_change Where to set when rule evaluation will change * \param[in,out] rule_input Values used to evaluate rule criteria * (node-specific values will be overwritten by * this function) * * \return true if rule is valid, otherwise false */ static bool generate_location_rule(pcmk_resource_t *rsc, xmlNode *rule_xml, const char *discovery, crm_time_t *next_change, pcmk_rule_input_t *rule_input) { const char *rule_id = NULL; const char *score = NULL; const char *boolean = NULL; const char *role_spec = NULL; GList *iter = NULL; bool raw_score = true; bool score_allocated = false; pcmk__location_t *location_rule = NULL; enum rsc_role_e role = pcmk_role_unknown; enum pcmk__combine combine = pcmk__combine_unknown; rule_xml = pcmk__xe_resolve_idref(rule_xml, rsc->priv->scheduler->input); if (rule_xml == NULL) { return false; // Error already logged } rule_id = crm_element_value(rule_xml, PCMK_XA_ID); if (rule_id == NULL) { pcmk__config_err("Ignoring " PCMK_XE_RULE " without " PCMK_XA_ID " in location constraint"); return false; } boolean = crm_element_value(rule_xml, PCMK_XA_BOOLEAN_OP); role_spec = crm_element_value(rule_xml, PCMK_XA_ROLE); if (parse_location_role(role_spec, &role)) { crm_trace("Setting rule %s role filter to %s", rule_id, role_spec); } else { pcmk__config_err("Ignoring rule %s: Invalid " PCMK_XA_ROLE " '%s'", rule_id, role_spec); return false; } crm_trace("Processing location constraint rule %s", rule_id); score = crm_element_value(rule_xml, PCMK_XA_SCORE); if (score == NULL) { score = crm_element_value(rule_xml, PCMK_XA_SCORE_ATTRIBUTE); if (score != NULL) { raw_score = false; } } combine = pcmk__parse_combine(boolean); switch (combine) { case pcmk__combine_and: case pcmk__combine_or: break; default: /* @COMPAT When we can break behavioral backward compatibility, * return false */ pcmk__config_warn("Location constraint rule %s has invalid " PCMK_XA_BOOLEAN_OP " value '%s', using default " "'" PCMK_VALUE_AND "'", rule_id, boolean); combine = pcmk__combine_and; break; } location_rule = pcmk__new_location(rule_id, rsc, 0, discovery, NULL); CRM_CHECK(location_rule != NULL, return NULL); location_rule->role_filter = role; if ((rule_input->rsc_id != NULL) && (rule_input->rsc_id_nmatches > 0) && !raw_score) { char *result = pcmk__replace_submatches(score, rule_input->rsc_id, rule_input->rsc_id_submatches, rule_input->rsc_id_nmatches); if (result != NULL) { score = result; score_allocated = true; } } for (iter = rsc->priv->scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = iter->data; rule_input->node_attrs = node->priv->attrs; rule_input->rsc_params = pe_rsc_params(rsc, node, rsc->priv->scheduler); if (pcmk_evaluate_rule(rule_xml, rule_input, next_change) == pcmk_rc_ok) { pcmk_node_t *local = pe__copy_node(node); location_rule->nodes = g_list_prepend(location_rule->nodes, local); local->assign->score = get_node_score(rule_id, score, raw_score, node, rsc); crm_trace("%s has score %s after %s", pcmk__node_name(node), pcmk_readable_score(local->assign->score), rule_id); } } if (score_allocated) { free((char *)score); } if (location_rule->nodes == NULL) { crm_trace("No matching nodes for location constraint rule %s", rule_id); } else { crm_trace("Location constraint rule %s matched %d nodes", rule_id, g_list_length(location_rule->nodes)); } return true; } static void unpack_rsc_location(xmlNode *xml_obj, pcmk_resource_t *rsc, const char *role_spec, const char *score, char *rsc_id_match, int rsc_id_nmatches, regmatch_t *rsc_id_submatches) { const char *rsc_id = crm_element_value(xml_obj, PCMK_XA_RSC); const char *id = crm_element_value(xml_obj, PCMK_XA_ID); const char *node = crm_element_value(xml_obj, PCMK_XA_NODE); const char *discovery = crm_element_value(xml_obj, PCMK_XA_RESOURCE_DISCOVERY); if (rsc == NULL) { pcmk__config_warn("Ignoring constraint '%s' because resource '%s' " "does not exist", id, rsc_id); return; } if (score == NULL) { score = crm_element_value(xml_obj, PCMK_XA_SCORE); } if ((node != NULL) && (score != NULL)) { int score_i = char2score(score); pcmk_node_t *match = pcmk_find_node(rsc->priv->scheduler, node); enum rsc_role_e role = pcmk_role_unknown; pcmk__location_t *location = NULL; if (match == NULL) { crm_info("Ignoring location constraint %s " "because '%s' is not a known node", pcmk__s(id, "without ID"), node); return; } if (role_spec == NULL) { role_spec = crm_element_value(xml_obj, PCMK_XA_ROLE); } if (parse_location_role(role_spec, &role)) { crm_trace("Setting location constraint %s role filter: %s", id, role_spec); } else { /* @COMPAT The previous behavior of creating the constraint ignoring * the role is retained for now, but we should ignore the entire * constraint when we can break backward compatibility. */ pcmk__config_err("Ignoring role in constraint %s: " "Invalid value '%s'", id, role_spec); } location = pcmk__new_location(id, rsc, score_i, discovery, match); if (location == NULL) { return; // Error already logged } location->role_filter = role; } else { bool empty = true; crm_time_t *next_change = crm_time_new_undefined(); pcmk_rule_input_t rule_input = { .now = rsc->priv->scheduler->priv->now, .rsc_meta = rsc->priv->meta, .rsc_id = rsc_id_match, .rsc_id_submatches = rsc_id_submatches, .rsc_id_nmatches = rsc_id_nmatches, }; /* This loop is logically parallel to pcmk__evaluate_rules(), except * instead of checking whether any rule is active, we set up location * constraints for each active rule. * * @COMPAT When we can break backward compatibility, limit location * constraints to a single rule, for consistency with other contexts. * Since a rule may contain other rules, this does not prohibit any * existing use cases. */ for (xmlNode *rule_xml = pcmk__xe_first_child(xml_obj, PCMK_XE_RULE, NULL, NULL); rule_xml != NULL; rule_xml = pcmk__xe_next_same(rule_xml)) { if (generate_location_rule(rsc, rule_xml, discovery, next_change, &rule_input)) { if (empty) { empty = false; continue; } pcmk__warn_once(pcmk__wo_location_rules, "Support for multiple " PCMK_XE_RULE " elements in a location constraint is " "deprecated and will be removed in a future " "release (use a single new rule combining the " "previous rules with " PCMK_XA_BOOLEAN_OP " set to '" PCMK_VALUE_OR "' instead)"); } } if (empty) { pcmk__config_err("Ignoring constraint '%s' because it contains " "no valid rules", id); } /* If there is a point in the future when the evaluation of a rule will * change, make sure the scheduler is re-run by that time. */ if (crm_time_is_defined(next_change)) { time_t t = (time_t) crm_time_get_seconds_since_epoch(next_change); pe__update_recheck_time(t, rsc->priv->scheduler, "location rule evaluation"); } crm_time_free(next_change); } } static void unpack_simple_location(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { const char *id = crm_element_value(xml_obj, PCMK_XA_ID); const char *value = crm_element_value(xml_obj, PCMK_XA_RSC); if (value) { pcmk_resource_t *rsc; - rsc = pcmk__find_constraint_resource(scheduler->resources, value); + rsc = pcmk__find_constraint_resource(scheduler->priv->resources, value); unpack_rsc_location(xml_obj, rsc, NULL, NULL, NULL, 0, NULL); } value = crm_element_value(xml_obj, PCMK_XA_RSC_PATTERN); if (value) { regex_t regex; bool invert = false; if (value[0] == '!') { value++; invert = true; } if (regcomp(®ex, value, REG_EXTENDED) != 0) { pcmk__config_err("Ignoring constraint '%s' because " PCMK_XA_RSC_PATTERN " has invalid value '%s'", id, value); return; } - for (GList *iter = scheduler->resources; iter != NULL; - iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { pcmk_resource_t *r = iter->data; int nregs = 0; regmatch_t *pmatch = NULL; int status; if (regex.re_nsub > 0) { nregs = regex.re_nsub + 1; } else { nregs = 1; } pmatch = pcmk__assert_alloc(nregs, sizeof(regmatch_t)); status = regexec(®ex, r->id, nregs, pmatch, 0); if (!invert && (status == 0)) { crm_debug("'%s' matched '%s' for %s", r->id, value, id); unpack_rsc_location(xml_obj, r, NULL, NULL, r->id, nregs, pmatch); } else if (invert && (status != 0)) { crm_debug("'%s' is an inverted match of '%s' for %s", r->id, value, id); unpack_rsc_location(xml_obj, r, NULL, NULL, NULL, 0, NULL); } else { crm_trace("'%s' does not match '%s' for %s", r->id, value, id); } free(pmatch); } regfree(®ex); } } // \return Standard Pacemaker return code static int unpack_location_tags(xmlNode *xml_obj, xmlNode **expanded_xml, pcmk_scheduler_t *scheduler) { const char *id = NULL; const char *rsc_id = NULL; const char *state = NULL; pcmk_resource_t *rsc = NULL; pcmk__idref_t *tag = NULL; xmlNode *rsc_set = NULL; *expanded_xml = NULL; CRM_CHECK(xml_obj != NULL, return EINVAL); id = pcmk__xe_id(xml_obj); if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return pcmk_rc_unpack_error; } // Check whether there are any resource sets with template or tag references *expanded_xml = pcmk__expand_tags_in_sets(xml_obj, scheduler); if (*expanded_xml != NULL) { crm_log_xml_trace(*expanded_xml, "Expanded " PCMK_XE_RSC_LOCATION); return pcmk_rc_ok; } rsc_id = crm_element_value(xml_obj, PCMK_XA_RSC); if (rsc_id == NULL) { return pcmk_rc_ok; } if (!pcmk__valid_resource_or_tag(scheduler, rsc_id, &rsc, &tag)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", id, rsc_id); return pcmk_rc_unpack_error; } else if (rsc != NULL) { // No template is referenced return pcmk_rc_ok; } state = crm_element_value(xml_obj, PCMK_XA_ROLE); *expanded_xml = pcmk__xml_copy(NULL, xml_obj); /* Convert any template or tag reference into constraint * PCMK_XE_RESOURCE_SET */ if (!pcmk__tag_to_set(*expanded_xml, &rsc_set, PCMK_XA_RSC, false, scheduler)) { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; return pcmk_rc_unpack_error; } if (rsc_set != NULL) { if (state != NULL) { /* Move PCMK_XA_RSC_ROLE into converted PCMK_XE_RESOURCE_SET as * PCMK_XA_ROLE attribute */ crm_xml_add(rsc_set, PCMK_XA_ROLE, state); pcmk__xe_remove_attr(*expanded_xml, PCMK_XA_ROLE); } crm_log_xml_trace(*expanded_xml, "Expanded " PCMK_XE_RSC_LOCATION); } else { // No sets pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; } return pcmk_rc_ok; } // \return Standard Pacemaker return code static int unpack_location_set(xmlNode *location, xmlNode *set, pcmk_scheduler_t *scheduler) { xmlNode *xml_rsc = NULL; pcmk_resource_t *resource = NULL; const char *set_id; const char *role; const char *local_score; CRM_CHECK(set != NULL, return EINVAL); set_id = pcmk__xe_id(set); if (set_id == NULL) { pcmk__config_err("Ignoring " PCMK_XE_RESOURCE_SET " without " PCMK_XA_ID " in constraint '%s'", pcmk__s(pcmk__xe_id(location), "(missing ID)")); return pcmk_rc_unpack_error; } role = crm_element_value(set, PCMK_XA_ROLE); local_score = crm_element_value(set, PCMK_XA_SCORE); for (xml_rsc = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { - resource = pcmk__find_constraint_resource(scheduler->resources, + resource = pcmk__find_constraint_resource(scheduler->priv->resources, pcmk__xe_id(xml_rsc)); if (resource == NULL) { pcmk__config_err("%s: No resource found for %s", set_id, pcmk__xe_id(xml_rsc)); return pcmk_rc_unpack_error; } unpack_rsc_location(location, resource, role, local_score, NULL, 0, NULL); } return pcmk_rc_ok; } void pcmk__unpack_location(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { xmlNode *set = NULL; bool any_sets = false; xmlNode *orig_xml = NULL; xmlNode *expanded_xml = NULL; if (unpack_location_tags(xml_obj, &expanded_xml, scheduler) != pcmk_rc_ok) { return; } if (expanded_xml) { orig_xml = xml_obj; xml_obj = expanded_xml; } for (set = pcmk__xe_first_child(xml_obj, PCMK_XE_RESOURCE_SET, NULL, NULL); set != NULL; set = pcmk__xe_next_same(set)) { any_sets = true; set = pcmk__xe_resolve_idref(set, scheduler->input); if ((set == NULL) // Configuration error, message already logged || (unpack_location_set(xml_obj, set, scheduler) != pcmk_rc_ok)) { if (expanded_xml) { pcmk__xml_free(expanded_xml); } return; } } if (expanded_xml) { pcmk__xml_free(expanded_xml); xml_obj = orig_xml; } if (!any_sets) { unpack_simple_location(xml_obj, scheduler); } } /*! * \internal * \brief Add a new location constraint to scheduler data * * \param[in] id XML ID of location constraint * \param[in,out] rsc Resource in location constraint * \param[in] node_score Constraint score * \param[in] probe_mode When resource should be probed on node * \param[in] node Node in constraint (or NULL if rule-based) * * \return Newly allocated location constraint on success, otherwise NULL * \note The result will be added to the cluster (via \p rsc) and should not be * freed separately. */ pcmk__location_t * pcmk__new_location(const char *id, pcmk_resource_t *rsc, int node_score, const char *probe_mode, pcmk_node_t *node) { pcmk__location_t *new_con = NULL; CRM_CHECK((node != NULL) || (node_score == 0), return NULL); if (id == NULL) { pcmk__config_err("Invalid constraint: no ID specified"); return NULL; } if (rsc == NULL) { pcmk__config_err("Invalid constraint %s: no resource specified", id); return NULL; } new_con = pcmk__assert_alloc(1, sizeof(pcmk__location_t)); new_con->id = pcmk__str_copy(id); new_con->rsc = rsc; new_con->nodes = NULL; new_con->role_filter = pcmk_role_unknown; if (pcmk__str_eq(probe_mode, PCMK_VALUE_ALWAYS, pcmk__str_null_matches|pcmk__str_casei)) { new_con->probe_mode = pcmk__probe_always; } else if (pcmk__str_eq(probe_mode, PCMK_VALUE_NEVER, pcmk__str_casei)) { new_con->probe_mode = pcmk__probe_never; } else if (pcmk__str_eq(probe_mode, PCMK_VALUE_EXCLUSIVE, pcmk__str_casei)) { new_con->probe_mode = pcmk__probe_exclusive; pcmk__set_rsc_flags(rsc, pcmk__rsc_exclusive_probes); } else { pcmk__config_err("Invalid " PCMK_XA_RESOURCE_DISCOVERY " value %s " "in location constraint", probe_mode); } if (node != NULL) { pcmk_node_t *copy = pe__copy_node(node); copy->assign->score = node_score; new_con->nodes = g_list_prepend(NULL, copy); } rsc->priv->scheduler->placement_constraints = g_list_prepend(rsc->priv->scheduler->placement_constraints, new_con); rsc->priv->location_constraints = g_list_prepend(rsc->priv->location_constraints, new_con); return new_con; } /*! * \internal * \brief Apply all location constraints * * \param[in,out] scheduler Scheduler data */ void pcmk__apply_locations(pcmk_scheduler_t *scheduler) { for (GList *iter = scheduler->placement_constraints; iter != NULL; iter = iter->next) { pcmk__location_t *location = iter->data; location->rsc->priv->cmds->apply_location(location->rsc, location); } } /*! * \internal * \brief Apply a location constraint to a resource's allowed node scores * * \param[in,out] rsc Resource to apply constraint to * \param[in,out] location Location constraint to apply * * \note This does not consider the resource's children, so the resource's * apply_location() method should be used instead in most cases. */ void pcmk__apply_location(pcmk_resource_t *rsc, pcmk__location_t *location) { bool need_role = false; CRM_ASSERT((rsc != NULL) && (location != NULL)); // If a role was specified, ensure constraint is applicable need_role = (location->role_filter > pcmk_role_unknown); if (need_role && (location->role_filter != rsc->priv->next_role)) { pcmk__rsc_trace(rsc, "Not applying %s to %s because role will be %s not %s", location->id, rsc->id, pcmk_role_text(rsc->priv->next_role), pcmk_role_text(location->role_filter)); return; } if (location->nodes == NULL) { pcmk__rsc_trace(rsc, "Not applying %s to %s because no nodes match", location->id, rsc->id); return; } for (GList *iter = location->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = iter->data; pcmk_node_t *allowed_node = NULL; allowed_node = g_hash_table_lookup(rsc->priv->allowed_nodes, node->priv->id); pcmk__rsc_trace(rsc, "Applying %s%s%s to %s score on %s: %c %s", location->id, (need_role? " for role " : ""), (need_role? pcmk_role_text(location->role_filter) : ""), rsc->id, pcmk__node_name(node), ((allowed_node == NULL)? '=' : '+'), pcmk_readable_score(node->assign->score)); if (allowed_node == NULL) { allowed_node = pe__copy_node(node); g_hash_table_insert(rsc->priv->allowed_nodes, (gpointer) allowed_node->priv->id, allowed_node); } else { allowed_node->assign->score = pcmk__add_scores(allowed_node->assign->score, node->assign->score); } if (allowed_node->assign->probe_mode < location->probe_mode) { if (location->probe_mode == pcmk__probe_exclusive) { pcmk__set_rsc_flags(rsc, pcmk__rsc_exclusive_probes); } /* exclusive > never > always... always is default */ allowed_node->assign->probe_mode = location->probe_mode; } } } diff --git a/lib/pacemaker/pcmk_sched_nodes.c b/lib/pacemaker/pcmk_sched_nodes.c index b86c3ab81b..036a231470 100644 --- a/lib/pacemaker/pcmk_sched_nodes.c +++ b/lib/pacemaker/pcmk_sched_nodes.c @@ -1,444 +1,444 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include "libpacemaker_private.h" /*! * \internal * \brief Check whether a node is available to run resources * * \param[in] node Node to check * \param[in] consider_score If true, consider a negative score unavailable * \param[in] consider_guest If true, consider a guest node unavailable whose * resource will not be active * * \return true if node is online and not shutting down, unclean, or in standby * or maintenance mode, otherwise false */ bool pcmk__node_available(const pcmk_node_t *node, bool consider_score, bool consider_guest) { if ((node == NULL) || (node->details == NULL) || !node->details->online || node->details->shutdown || node->details->unclean || pcmk_is_set(node->priv->flags, pcmk__node_standby) || node->details->maintenance) { return false; } if (consider_score && (node->assign->score < 0)) { return false; } // @TODO Go through all callers to see which should set consider_guest if (consider_guest && pcmk__is_guest_or_bundle_node(node)) { pcmk_resource_t *guest = node->priv->remote->priv->launcher; if (guest->priv->fns->location(guest, NULL, FALSE) == NULL) { return false; } } return true; } /*! * \internal * \brief Copy a hash table of node objects * * \param[in] nodes Hash table to copy * * \return New copy of nodes (or NULL if nodes is NULL) */ GHashTable * pcmk__copy_node_table(GHashTable *nodes) { GHashTable *new_table = NULL; GHashTableIter iter; pcmk_node_t *node = NULL; if (nodes == NULL) { return NULL; } new_table = pcmk__strkey_table(NULL, free); g_hash_table_iter_init(&iter, nodes); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { pcmk_node_t *new_node = pe__copy_node(node); g_hash_table_insert(new_table, (gpointer) new_node->priv->id, new_node); } return new_table; } /*! * \internal * \brief Free a table of node tables * * \param[in,out] data Table to free * * \note This is a \c GDestroyNotify wrapper for \c g_hash_table_destroy(). */ static void destroy_node_tables(gpointer data) { g_hash_table_destroy((GHashTable *) data); } /*! * \internal * \brief Recursively copy the node tables of a resource * * Build a hash table containing copies of the allowed nodes tables of \p rsc * and its entire tree of descendants. The key is the resource ID, and the value * is a copy of the resource's node table. * * \param[in] rsc Resource whose node table to copy * \param[in,out] copy Where to store the copied node tables * * \note \p *copy should be \c NULL for the top-level call. * \note The caller is responsible for freeing \p copy using * \c g_hash_table_destroy(). */ void pcmk__copy_node_tables(const pcmk_resource_t *rsc, GHashTable **copy) { CRM_ASSERT((rsc != NULL) && (copy != NULL)); if (*copy == NULL) { *copy = pcmk__strkey_table(NULL, destroy_node_tables); } g_hash_table_insert(*copy, rsc->id, pcmk__copy_node_table(rsc->priv->allowed_nodes)); for (const GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk__copy_node_tables((const pcmk_resource_t *) iter->data, copy); } } /*! * \internal * \brief Recursively restore the node tables of a resource from backup * * Given a hash table containing backup copies of the allowed nodes tables of * \p rsc and its entire tree of descendants, replace the resources' current * node tables with the backed-up copies. * * \param[in,out] rsc Resource whose node tables to restore * \param[in] backup Table of backup node tables (created by * \c pcmk__copy_node_tables()) * * \note This function frees the resources' current node tables. */ void pcmk__restore_node_tables(pcmk_resource_t *rsc, GHashTable *backup) { CRM_ASSERT((rsc != NULL) && (backup != NULL)); g_hash_table_destroy(rsc->priv->allowed_nodes); // Copy to avoid danger with multiple restores rsc->priv->allowed_nodes = pcmk__copy_node_table(g_hash_table_lookup(backup, rsc->id)); for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk__restore_node_tables((pcmk_resource_t *) iter->data, backup); } } /*! * \internal * \brief Copy a list of node objects * * \param[in] list List to copy * \param[in] reset Set copies' scores to 0 * * \return New list of shallow copies of nodes in original list */ GList * pcmk__copy_node_list(const GList *list, bool reset) { GList *result = NULL; for (const GList *iter = list; iter != NULL; iter = iter->next) { pcmk_node_t *new_node = NULL; pcmk_node_t *this_node = iter->data; new_node = pe__copy_node(this_node); if (reset) { new_node->assign->score = 0; } result = g_list_prepend(result, new_node); } return result; } /*! * \internal * \brief Compare two nodes for assignment preference * * Given two nodes, check which one is more preferred by assignment criteria * such as node score and utilization. * * \param[in] a First node to compare * \param[in] b Second node to compare * \param[in] data Node to prefer if all else equal * * \return -1 if \p a is preferred, +1 if \p b is preferred, or 0 if they are * equally preferred */ static gint compare_nodes(gconstpointer a, gconstpointer b, gpointer data) { const pcmk_node_t *node1 = (const pcmk_node_t *) a; const pcmk_node_t *node2 = (const pcmk_node_t *) b; const pcmk_node_t *preferred = (const pcmk_node_t *) data; int node1_score = -PCMK_SCORE_INFINITY; int node2_score = -PCMK_SCORE_INFINITY; int result = 0; if (a == NULL) { return 1; } if (b == NULL) { return -1; } // Compare node scores if (pcmk__node_available(node1, false, false)) { node1_score = node1->assign->score; } if (pcmk__node_available(node2, false, false)) { node2_score = node2->assign->score; } if (node1_score > node2_score) { crm_trace("%s before %s (score %d > %d)", pcmk__node_name(node1), pcmk__node_name(node2), node1_score, node2_score); return -1; } if (node1_score < node2_score) { crm_trace("%s after %s (score %d < %d)", pcmk__node_name(node1), pcmk__node_name(node2), node1_score, node2_score); return 1; } // If appropriate, compare node utilization if (pcmk__str_eq(node1->priv->scheduler->priv->placement_strategy, PCMK_VALUE_MINIMAL, pcmk__str_casei)) { goto equal; } if (pcmk__str_eq(node1->priv->scheduler->priv->placement_strategy, PCMK_VALUE_BALANCED, pcmk__str_casei)) { result = pcmk__compare_node_capacities(node1, node2); if (result < 0) { crm_trace("%s before %s (greater capacity by %d attributes)", pcmk__node_name(node1), pcmk__node_name(node2), result * -1); return -1; } else if (result > 0) { crm_trace("%s after %s (lower capacity by %d attributes)", pcmk__node_name(node1), pcmk__node_name(node2), result); return 1; } } // Compare number of resources already assigned to node if (node1->priv->num_resources < node2->priv->num_resources) { crm_trace("%s before %s (%d resources < %d)", pcmk__node_name(node1), pcmk__node_name(node2), node1->priv->num_resources, node2->priv->num_resources); return -1; } else if (node1->priv->num_resources > node2->priv->num_resources) { crm_trace("%s after %s (%d resources > %d)", pcmk__node_name(node1), pcmk__node_name(node2), node1->priv->num_resources, node2->priv->num_resources); return 1; } // Check whether one node is already running desired resource if (preferred != NULL) { if (pcmk__same_node(preferred, node1)) { crm_trace("%s before %s (preferred node)", pcmk__node_name(node1), pcmk__node_name(node2)); return -1; } else if (pcmk__same_node(preferred, node2)) { crm_trace("%s after %s (not preferred node)", pcmk__node_name(node1), pcmk__node_name(node2)); return 1; } } // If all else is equal, prefer node with lowest-sorting name equal: result = strcmp(node1->priv->name, node2->priv->name); if (result < 0) { crm_trace("%s before %s (name)", pcmk__node_name(node1), pcmk__node_name(node2)); return -1; } else if (result > 0) { crm_trace("%s after %s (name)", pcmk__node_name(node1), pcmk__node_name(node2)); return 1; } crm_trace("%s == %s", pcmk__node_name(node1), pcmk__node_name(node2)); return 0; } /*! * \internal * \brief Sort a list of nodes by assigment preference * * \param[in,out] nodes Node list to sort * \param[in] active_node Node where resource being assigned is active * * \return New head of sorted list */ GList * pcmk__sort_nodes(GList *nodes, pcmk_node_t *active_node) { return g_list_sort_with_data(nodes, compare_nodes, active_node); } /*! * \internal * \brief Check whether any node is available to run resources * * \param[in] nodes Nodes to check * * \return true if any node in \p nodes is available to run resources, * otherwise false */ bool pcmk__any_node_available(GHashTable *nodes) { GHashTableIter iter; const pcmk_node_t *node = NULL; if (nodes == NULL) { return false; } g_hash_table_iter_init(&iter, nodes); while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) { if (pcmk__node_available(node, true, false)) { return true; } } return false; } /*! * \internal * \brief Apply node health values for all nodes in cluster * * \param[in,out] scheduler Scheduler data */ void pcmk__apply_node_health(pcmk_scheduler_t *scheduler) { int base_health = 0; enum pcmk__health_strategy strategy; const char *strategy_str = pcmk__cluster_option(scheduler->priv->options, PCMK_OPT_NODE_HEALTH_STRATEGY); strategy = pcmk__parse_health_strategy(strategy_str); if (strategy == pcmk__health_strategy_none) { return; } crm_info("Applying node health strategy '%s'", strategy_str); // The progressive strategy can use a base health score if (strategy == pcmk__health_strategy_progressive) { base_health = pe__health_score(PCMK_OPT_NODE_HEALTH_BASE, scheduler); } for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; int health = pe__sum_node_health_scores(node, base_health); // An overall health score of 0 has no effect if (health == 0) { continue; } crm_info("Overall system health of %s is %d", pcmk__node_name(node), health); // Use node health as a location score for each resource on the node - for (GList *r = scheduler->resources; r != NULL; r = r->next) { + for (GList *r = scheduler->priv->resources; r != NULL; r = r->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) r->data; bool constrain = true; if (health < 0) { /* Negative health scores do not apply to resources with * PCMK_META_ALLOW_UNHEALTHY_NODES=true. */ constrain = !crm_is_true(g_hash_table_lookup(rsc->priv->meta, PCMK_META_ALLOW_UNHEALTHY_NODES)); } if (constrain) { pcmk__new_location(strategy_str, rsc, health, NULL, node); } else { pcmk__rsc_trace(rsc, "%s is immune from health ban on %s", rsc->id, pcmk__node_name(node)); } } } } /*! * \internal * \brief Check for a node in a resource's parent's allowed nodes * * \param[in] rsc Resource whose parent should be checked * \param[in] node Node to check for * * \return Equivalent of \p node from \p rsc's parent's allowed nodes if any, * otherwise NULL */ pcmk_node_t * pcmk__top_allowed_node(const pcmk_resource_t *rsc, const pcmk_node_t *node) { GHashTable *allowed_nodes = NULL; if ((rsc == NULL) || (node == NULL)) { return NULL; } if (rsc->priv->parent == NULL) { allowed_nodes = rsc->priv->allowed_nodes; } else { allowed_nodes = rsc->priv->parent->priv->allowed_nodes; } return g_hash_table_lookup(allowed_nodes, node->priv->id); } diff --git a/lib/pacemaker/pcmk_sched_ordering.c b/lib/pacemaker/pcmk_sched_ordering.c index 7bbb8f41e7..4023689b32 100644 --- a/lib/pacemaker/pcmk_sched_ordering.c +++ b/lib/pacemaker/pcmk_sched_ordering.c @@ -1,1537 +1,1537 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include // PRIx32 #include #include #include #include #include "libpacemaker_private.h" enum pe_order_kind { pe_order_kind_optional, pe_order_kind_mandatory, pe_order_kind_serialize, }; enum ordering_symmetry { ordering_asymmetric, // the only relation in an asymmetric ordering ordering_symmetric, // the normal relation in a symmetric ordering ordering_symmetric_inverse, // the inverse relation in a symmetric ordering }; #define EXPAND_CONSTRAINT_IDREF(__set, __rsc, __name) do { \ - __rsc = pcmk__find_constraint_resource(scheduler->resources, \ + __rsc = pcmk__find_constraint_resource(scheduler->priv->resources, \ __name); \ if (__rsc == NULL) { \ pcmk__config_err("%s: No resource found for %s", __set, __name);\ return pcmk_rc_unpack_error; \ } \ } while (0) static const char * invert_action(const char *action) { if (pcmk__str_eq(action, PCMK_ACTION_START, pcmk__str_none)) { return PCMK_ACTION_STOP; } else if (pcmk__str_eq(action, PCMK_ACTION_STOP, pcmk__str_none)) { return PCMK_ACTION_START; } else if (pcmk__str_eq(action, PCMK_ACTION_PROMOTE, pcmk__str_none)) { return PCMK_ACTION_DEMOTE; } else if (pcmk__str_eq(action, PCMK_ACTION_DEMOTE, pcmk__str_none)) { return PCMK_ACTION_PROMOTE; } else if (pcmk__str_eq(action, PCMK_ACTION_PROMOTED, pcmk__str_none)) { return PCMK_ACTION_DEMOTED; } else if (pcmk__str_eq(action, PCMK_ACTION_DEMOTED, pcmk__str_none)) { return PCMK_ACTION_PROMOTED; } else if (pcmk__str_eq(action, PCMK_ACTION_RUNNING, pcmk__str_none)) { return PCMK_ACTION_STOPPED; } else if (pcmk__str_eq(action, PCMK_ACTION_STOPPED, pcmk__str_none)) { return PCMK_ACTION_RUNNING; } pcmk__config_warn("Unknown action '%s' specified in order constraint", action); return NULL; } static enum pe_order_kind get_ordering_type(const xmlNode *xml_obj) { enum pe_order_kind kind_e = pe_order_kind_mandatory; const char *kind = crm_element_value(xml_obj, PCMK_XA_KIND); if (kind == NULL) { const char *score = crm_element_value(xml_obj, PCMK_XA_SCORE); kind_e = pe_order_kind_mandatory; if (score) { // @COMPAT deprecated informally since 1.0.7, formally since 2.0.1 int score_i = char2score(score); if (score_i == 0) { kind_e = pe_order_kind_optional; } pcmk__warn_once(pcmk__wo_order_score, "Support for '" PCMK_XA_SCORE "' in " PCMK_XE_RSC_ORDER " is deprecated and will be " "removed in a future release " "(use '" PCMK_XA_KIND "' instead)"); } } else if (pcmk__str_eq(kind, PCMK_VALUE_MANDATORY, pcmk__str_none)) { kind_e = pe_order_kind_mandatory; } else if (pcmk__str_eq(kind, PCMK_VALUE_OPTIONAL, pcmk__str_none)) { kind_e = pe_order_kind_optional; } else if (pcmk__str_eq(kind, PCMK_VALUE_SERIALIZE, pcmk__str_none)) { kind_e = pe_order_kind_serialize; } else { pcmk__config_err("Resetting '" PCMK_XA_KIND "' for constraint %s to " "'" PCMK_VALUE_MANDATORY "' because '%s' is not valid", pcmk__s(pcmk__xe_id(xml_obj), "missing ID"), kind); } return kind_e; } /*! * \internal * \brief Get ordering symmetry from XML * * \param[in] xml_obj Ordering XML * \param[in] parent_kind Default ordering kind * \param[in] parent_symmetrical_s Parent element's \c PCMK_XA_SYMMETRICAL * setting, if any * * \retval ordering_symmetric Ordering is symmetric * \retval ordering_asymmetric Ordering is asymmetric */ static enum ordering_symmetry get_ordering_symmetry(const xmlNode *xml_obj, enum pe_order_kind parent_kind, const char *parent_symmetrical_s) { int rc = pcmk_rc_ok; bool symmetric = false; enum pe_order_kind kind = parent_kind; // Default to parent's kind // Check ordering XML for explicit kind if ((crm_element_value(xml_obj, PCMK_XA_KIND) != NULL) || (crm_element_value(xml_obj, PCMK_XA_SCORE) != NULL)) { kind = get_ordering_type(xml_obj); } // Check ordering XML (and parent) for explicit PCMK_XA_SYMMETRICAL setting rc = pcmk__xe_get_bool_attr(xml_obj, PCMK_XA_SYMMETRICAL, &symmetric); if (rc != pcmk_rc_ok && parent_symmetrical_s != NULL) { symmetric = crm_is_true(parent_symmetrical_s); rc = pcmk_rc_ok; } if (rc == pcmk_rc_ok) { if (symmetric) { if (kind == pe_order_kind_serialize) { pcmk__config_warn("Ignoring " PCMK_XA_SYMMETRICAL " for '%s' because not valid with " PCMK_XA_KIND " of '" PCMK_VALUE_SERIALIZE "'", pcmk__xe_id(xml_obj)); } else { return ordering_symmetric; } } return ordering_asymmetric; } // Use default symmetry if (kind == pe_order_kind_serialize) { return ordering_asymmetric; } return ordering_symmetric; } /*! * \internal * \brief Get ordering flags appropriate to ordering kind * * \param[in] kind Ordering kind * \param[in] first Action name for 'first' action * \param[in] symmetry This ordering's symmetry role * * \return Minimal ordering flags appropriate to \p kind */ static uint32_t ordering_flags_for_kind(enum pe_order_kind kind, const char *first, enum ordering_symmetry symmetry) { uint32_t flags = pcmk__ar_none; // so we trace-log all flags set switch (kind) { case pe_order_kind_optional: pcmk__set_relation_flags(flags, pcmk__ar_ordered); break; case pe_order_kind_serialize: /* This flag is not used anywhere directly but means the relation * will not match an equality comparison against pcmk__ar_none or * pcmk__ar_ordered. */ pcmk__set_relation_flags(flags, pcmk__ar_serialize); break; case pe_order_kind_mandatory: pcmk__set_relation_flags(flags, pcmk__ar_ordered); switch (symmetry) { case ordering_asymmetric: pcmk__set_relation_flags(flags, pcmk__ar_asymmetric); break; case ordering_symmetric: pcmk__set_relation_flags(flags, pcmk__ar_first_implies_then); if (pcmk__strcase_any_of(first, PCMK_ACTION_START, PCMK_ACTION_PROMOTE, NULL)) { pcmk__set_relation_flags(flags, pcmk__ar_unrunnable_first_blocks); } break; case ordering_symmetric_inverse: pcmk__set_relation_flags(flags, pcmk__ar_then_implies_first); break; } break; } return flags; } /*! * \internal * \brief Find resource corresponding to ID specified in ordering * * \param[in] xml Ordering XML * \param[in] resource_attr XML attribute name for resource ID * \param[in] instance_attr XML attribute name for instance number. * This option is deprecated and will be removed in a * future release. * \param[in] scheduler Scheduler data * * \return Resource corresponding to \p id, or NULL if none */ static pcmk_resource_t * get_ordering_resource(const xmlNode *xml, const char *resource_attr, const char *instance_attr, const pcmk_scheduler_t *scheduler) { // @COMPAT: instance_attr and instance_id variables deprecated since 2.1.5 pcmk_resource_t *rsc = NULL; const char *rsc_id = crm_element_value(xml, resource_attr); const char *instance_id = crm_element_value(xml, instance_attr); if (rsc_id == NULL) { pcmk__config_err("Ignoring constraint '%s' without %s", pcmk__xe_id(xml), resource_attr); return NULL; } - rsc = pcmk__find_constraint_resource(scheduler->resources, rsc_id); + rsc = pcmk__find_constraint_resource(scheduler->priv->resources, rsc_id); if (rsc == NULL) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "does not exist", pcmk__xe_id(xml), rsc_id); return NULL; } if (instance_id != NULL) { pcmk__warn_once(pcmk__wo_order_inst, "Support for " PCMK__XA_FIRST_INSTANCE " and " PCMK__XA_THEN_INSTANCE " is deprecated and will be " "removed in a future release."); if (!pcmk__is_clone(rsc)) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "is not a clone but instance '%s' was requested", pcmk__xe_id(xml), rsc_id, instance_id); return NULL; } rsc = find_clone_instance(rsc, instance_id); if (rsc == NULL) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "does not have an instance '%s'", pcmk__xe_id(xml), rsc_id, instance_id); return NULL; } } return rsc; } /*! * \internal * \brief Determine minimum number of 'first' instances required in ordering * * \param[in] rsc 'First' resource in ordering * \param[in] xml Ordering XML * * \return Minimum 'first' instances required (or 0 if not applicable) */ static int get_minimum_first_instances(const pcmk_resource_t *rsc, const xmlNode *xml) { const char *clone_min = NULL; bool require_all = false; if (!pcmk__is_clone(rsc)) { return 0; } clone_min = g_hash_table_lookup(rsc->priv->meta, PCMK_META_CLONE_MIN); if (clone_min != NULL) { int clone_min_int = 0; pcmk__scan_min_int(clone_min, &clone_min_int, 0); return clone_min_int; } /* @COMPAT 1.1.13: * PCMK_XA_REQUIRE_ALL=PCMK_VALUE_FALSE is deprecated equivalent of * PCMK_META_CLONE_MIN=1 */ if (pcmk__xe_get_bool_attr(xml, PCMK_XA_REQUIRE_ALL, &require_all) != ENODATA) { pcmk__warn_once(pcmk__wo_require_all, "Support for " PCMK_XA_REQUIRE_ALL " in ordering " "constraints is deprecated and will be removed in a " "future release (use " PCMK_META_CLONE_MIN " clone " "meta-attribute instead)"); if (!require_all) { return 1; } } return 0; } /*! * \internal * \brief Create orderings for a constraint with \c PCMK_META_CLONE_MIN > 0 * * \param[in] id Ordering ID * \param[in,out] rsc_first 'First' resource in ordering (a clone) * \param[in] action_first 'First' action in ordering * \param[in] rsc_then 'Then' resource in ordering * \param[in] action_then 'Then' action in ordering * \param[in] flags Ordering flags * \param[in] clone_min Minimum required instances of 'first' */ static void clone_min_ordering(const char *id, pcmk_resource_t *rsc_first, const char *action_first, pcmk_resource_t *rsc_then, const char *action_then, uint32_t flags, int clone_min) { // Create a pseudo-action for when the minimum instances are active char *task = crm_strdup_printf(PCMK_ACTION_CLONE_ONE_OR_MORE ":%s", id); pcmk_action_t *clone_min_met = get_pseudo_op(task, rsc_first->priv->scheduler); free(task); /* Require the pseudo-action to have the required number of actions to be * considered runnable before allowing the pseudo-action to be runnable. */ clone_min_met->required_runnable_before = clone_min; pcmk__set_action_flags(clone_min_met, pcmk__action_min_runnable); // Order the actions for each clone instance before the pseudo-action for (GList *iter = rsc_first->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = iter->data; pcmk__new_ordering(child, pcmk__op_key(child->id, action_first, 0), NULL, NULL, NULL, clone_min_met, pcmk__ar_min_runnable |pcmk__ar_first_implies_then_graphed, rsc_first->priv->scheduler); } // Order "then" action after the pseudo-action (if runnable) pcmk__new_ordering(NULL, NULL, clone_min_met, rsc_then, pcmk__op_key(rsc_then->id, action_then, 0), NULL, flags|pcmk__ar_unrunnable_first_blocks, rsc_first->priv->scheduler); } /*! * \internal * \brief Update ordering flags for restart-type=restart * * \param[in] rsc 'Then' resource in ordering * \param[in] kind Ordering kind * \param[in] flag Ordering flag to set (when applicable) * \param[in,out] flags Ordering flag set to update * * \compat The \c PCMK__META_RESTART_TYPE resource meta-attribute is deprecated. * Eventually, it will be removed, and \c pcmk__restart_ignore will be * the only behavior, at which time this can just be removed entirely. */ #define handle_restart_type(rsc, kind, flag, flags) do { \ if (((kind) == pe_order_kind_optional) \ && ((rsc)->priv->restart_type == pcmk__restart_restart)) { \ pcmk__set_relation_flags((flags), (flag)); \ } \ } while (0) /*! * \internal * \brief Create new ordering for inverse of symmetric constraint * * \param[in] id Ordering ID (for logging only) * \param[in] kind Ordering kind * \param[in] rsc_first 'First' resource in ordering (a clone) * \param[in] action_first 'First' action in ordering * \param[in,out] rsc_then 'Then' resource in ordering * \param[in] action_then 'Then' action in ordering */ static void inverse_ordering(const char *id, enum pe_order_kind kind, pcmk_resource_t *rsc_first, const char *action_first, pcmk_resource_t *rsc_then, const char *action_then) { action_then = invert_action(action_then); action_first = invert_action(action_first); if ((action_then == NULL) || (action_first == NULL)) { pcmk__config_warn("Cannot invert constraint '%s' " "(please specify inverse manually)", id); } else { uint32_t flags = ordering_flags_for_kind(kind, action_first, ordering_symmetric_inverse); handle_restart_type(rsc_then, kind, pcmk__ar_then_implies_first, flags); pcmk__order_resource_actions(rsc_then, action_then, rsc_first, action_first, flags); } } static void unpack_simple_rsc_order(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { pcmk_resource_t *rsc_then = NULL; pcmk_resource_t *rsc_first = NULL; int min_required_before = 0; enum pe_order_kind kind = pe_order_kind_mandatory; uint32_t flags = pcmk__ar_none; enum ordering_symmetry symmetry; const char *action_then = NULL; const char *action_first = NULL; const char *id = NULL; CRM_CHECK(xml_obj != NULL, return); id = crm_element_value(xml_obj, PCMK_XA_ID); if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return; } rsc_first = get_ordering_resource(xml_obj, PCMK_XA_FIRST, PCMK__XA_FIRST_INSTANCE, scheduler); if (rsc_first == NULL) { return; } rsc_then = get_ordering_resource(xml_obj, PCMK_XA_THEN, PCMK__XA_THEN_INSTANCE, scheduler); if (rsc_then == NULL) { return; } action_first = crm_element_value(xml_obj, PCMK_XA_FIRST_ACTION); if (action_first == NULL) { action_first = PCMK_ACTION_START; } action_then = crm_element_value(xml_obj, PCMK_XA_THEN_ACTION); if (action_then == NULL) { action_then = action_first; } kind = get_ordering_type(xml_obj); symmetry = get_ordering_symmetry(xml_obj, kind, NULL); flags = ordering_flags_for_kind(kind, action_first, symmetry); handle_restart_type(rsc_then, kind, pcmk__ar_first_implies_then, flags); /* If there is a minimum number of instances that must be runnable before * the 'then' action is runnable, we use a pseudo-action for convenience: * minimum number of clone instances have runnable actions -> * pseudo-action is runnable -> dependency is runnable. */ min_required_before = get_minimum_first_instances(rsc_first, xml_obj); if (min_required_before > 0) { clone_min_ordering(id, rsc_first, action_first, rsc_then, action_then, flags, min_required_before); } else { pcmk__order_resource_actions(rsc_first, action_first, rsc_then, action_then, flags); } if (symmetry == ordering_symmetric) { inverse_ordering(id, kind, rsc_first, action_first, rsc_then, action_then); } } /*! * \internal * \brief Create a new ordering between two actions * * \param[in,out] first_rsc Resource for 'first' action (if NULL and * \p first_action is a resource action, that * resource will be used) * \param[in,out] first_action_task Action key for 'first' action (if NULL and * \p first_action is not NULL, its UUID will * be used) * \param[in,out] first_action 'first' action (if NULL, \p first_rsc and * \p first_action_task must be set) * * \param[in] then_rsc Resource for 'then' action (if NULL and * \p then_action is a resource action, that * resource will be used) * \param[in,out] then_action_task Action key for 'then' action (if NULL and * \p then_action is not NULL, its UUID will * be used) * \param[in] then_action 'then' action (if NULL, \p then_rsc and * \p then_action_task must be set) * * \param[in] flags Group of enum pcmk__action_relation_flags * \param[in,out] sched Scheduler data to add ordering to * * \note This function takes ownership of first_action_task and * then_action_task, which do not need to be freed by the caller. */ void pcmk__new_ordering(pcmk_resource_t *first_rsc, char *first_action_task, pcmk_action_t *first_action, pcmk_resource_t *then_rsc, char *then_action_task, pcmk_action_t *then_action, uint32_t flags, pcmk_scheduler_t *sched) { pcmk__action_relation_t *order = NULL; // One of action or resource must be specified for each side CRM_CHECK(((first_action != NULL) || (first_rsc != NULL)) && ((then_action != NULL) || (then_rsc != NULL)), free(first_action_task); free(then_action_task); return); if ((first_rsc == NULL) && (first_action != NULL)) { first_rsc = first_action->rsc; } if ((then_rsc == NULL) && (then_action != NULL)) { then_rsc = then_action->rsc; } order = pcmk__assert_alloc(1, sizeof(pcmk__action_relation_t)); order->id = sched->order_id++; order->flags = flags; order->rsc1 = first_rsc; order->rsc2 = then_rsc; order->action1 = first_action; order->action2 = then_action; order->task1 = first_action_task; order->task2 = then_action_task; if ((order->task1 == NULL) && (first_action != NULL)) { order->task1 = strdup(first_action->uuid); } if ((order->task2 == NULL) && (then_action != NULL)) { order->task2 = strdup(then_action->uuid); } if ((order->rsc1 == NULL) && (first_action != NULL)) { order->rsc1 = first_action->rsc; } if ((order->rsc2 == NULL) && (then_action != NULL)) { order->rsc2 = then_action->rsc; } pcmk__rsc_trace(first_rsc, "Created ordering %d for %s then %s", (sched->order_id - 1), pcmk__s(order->task1, "an underspecified action"), pcmk__s(order->task2, "an underspecified action")); sched->ordering_constraints = g_list_prepend(sched->ordering_constraints, order); pcmk__order_migration_equivalents(order); } /*! * \brief Unpack a set in an ordering constraint * * \param[in] set Set XML to unpack * \param[in] parent_kind \c PCMK_XE_RSC_ORDER XML \c PCMK_XA_KIND * attribute * \param[in] parent_symmetrical_s \c PCMK_XE_RSC_ORDER XML * \c PCMK_XA_SYMMETRICAL attribute * \param[in,out] scheduler Scheduler data * * \return Standard Pacemaker return code */ static int unpack_order_set(const xmlNode *set, enum pe_order_kind parent_kind, const char *parent_symmetrical_s, pcmk_scheduler_t *scheduler) { GList *set_iter = NULL; GList *resources = NULL; pcmk_resource_t *last = NULL; pcmk_resource_t *resource = NULL; int local_kind = parent_kind; bool sequential = false; uint32_t flags = pcmk__ar_ordered; enum ordering_symmetry symmetry; char *key = NULL; const char *id = pcmk__xe_id(set); const char *action = crm_element_value(set, PCMK_XA_ACTION); const char *sequential_s = crm_element_value(set, PCMK_XA_SEQUENTIAL); const char *kind_s = crm_element_value(set, PCMK_XA_KIND); if (action == NULL) { action = PCMK_ACTION_START; } if (kind_s) { local_kind = get_ordering_type(set); } if (sequential_s == NULL) { sequential_s = "1"; } sequential = crm_is_true(sequential_s); symmetry = get_ordering_symmetry(set, parent_kind, parent_symmetrical_s); flags = ordering_flags_for_kind(local_kind, action, symmetry); for (const xmlNode *xml_rsc = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { EXPAND_CONSTRAINT_IDREF(id, resource, pcmk__xe_id(xml_rsc)); resources = g_list_append(resources, resource); } if (pcmk__list_of_1(resources)) { crm_trace("Single set: %s", id); goto done; } set_iter = resources; while (set_iter != NULL) { resource = (pcmk_resource_t *) set_iter->data; set_iter = set_iter->next; key = pcmk__op_key(resource->id, action, 0); if (local_kind == pe_order_kind_serialize) { /* Serialize before everything that comes after */ for (GList *iter = set_iter; iter != NULL; iter = iter->next) { pcmk_resource_t *then_rsc = iter->data; char *then_key = pcmk__op_key(then_rsc->id, action, 0); pcmk__new_ordering(resource, strdup(key), NULL, then_rsc, then_key, NULL, flags, scheduler); } } else if (sequential) { if (last != NULL) { pcmk__order_resource_actions(last, action, resource, action, flags); } last = resource; } free(key); } if (symmetry == ordering_asymmetric) { goto done; } last = NULL; action = invert_action(action); flags = ordering_flags_for_kind(local_kind, action, ordering_symmetric_inverse); set_iter = resources; while (set_iter != NULL) { resource = (pcmk_resource_t *) set_iter->data; set_iter = set_iter->next; if (sequential) { if (last != NULL) { pcmk__order_resource_actions(resource, action, last, action, flags); } last = resource; } } done: g_list_free(resources); return pcmk_rc_ok; } /*! * \brief Order two resource sets relative to each other * * \param[in] id Ordering ID (for logging) * \param[in] set1 First listed set * \param[in] set2 Second listed set * \param[in] kind Ordering kind * \param[in,out] scheduler Scheduler data * \param[in] symmetry Which ordering symmetry applies to this relation * * \return Standard Pacemaker return code */ static int order_rsc_sets(const char *id, const xmlNode *set1, const xmlNode *set2, enum pe_order_kind kind, pcmk_scheduler_t *scheduler, enum ordering_symmetry symmetry) { const xmlNode *xml_rsc = NULL; const xmlNode *xml_rsc_2 = NULL; pcmk_resource_t *rsc_1 = NULL; pcmk_resource_t *rsc_2 = NULL; const char *action_1 = crm_element_value(set1, PCMK_XA_ACTION); const char *action_2 = crm_element_value(set2, PCMK_XA_ACTION); uint32_t flags = pcmk__ar_none; bool require_all = true; (void) pcmk__xe_get_bool_attr(set1, PCMK_XA_REQUIRE_ALL, &require_all); if (action_1 == NULL) { action_1 = PCMK_ACTION_START; } if (action_2 == NULL) { action_2 = PCMK_ACTION_START; } if (symmetry == ordering_symmetric_inverse) { action_1 = invert_action(action_1); action_2 = invert_action(action_2); } if (pcmk__str_eq(PCMK_ACTION_STOP, action_1, pcmk__str_none) || pcmk__str_eq(PCMK_ACTION_DEMOTE, action_1, pcmk__str_none)) { /* Assuming: A -> ( B || C) -> D * The one-or-more logic only applies during the start/promote phase. * During shutdown neither B nor can shutdown until D is down, so simply * turn require_all back on. */ require_all = true; } flags = ordering_flags_for_kind(kind, action_1, symmetry); /* If we have an unordered set1, whether it is sequential or not is * irrelevant in regards to set2. */ if (!require_all) { char *task = crm_strdup_printf(PCMK_ACTION_ONE_OR_MORE ":%s", pcmk__xe_id(set1)); pcmk_action_t *unordered_action = get_pseudo_op(task, scheduler); free(task); pcmk__set_action_flags(unordered_action, pcmk__action_min_runnable); for (xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { EXPAND_CONSTRAINT_IDREF(id, rsc_1, pcmk__xe_id(xml_rsc)); /* Add an ordering constraint between every element in set1 and the * pseudo action. If any action in set1 is runnable the pseudo * action will be runnable. */ pcmk__new_ordering(rsc_1, pcmk__op_key(rsc_1->id, action_1, 0), NULL, NULL, NULL, unordered_action, pcmk__ar_min_runnable |pcmk__ar_first_implies_then_graphed, scheduler); } for (xml_rsc_2 = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc_2 != NULL; xml_rsc_2 = pcmk__xe_next_same(xml_rsc_2)) { EXPAND_CONSTRAINT_IDREF(id, rsc_2, pcmk__xe_id(xml_rsc_2)); /* Add an ordering constraint between the pseudo-action and every * element in set2. If the pseudo-action is runnable, every action * in set2 will be runnable. */ pcmk__new_ordering(NULL, NULL, unordered_action, rsc_2, pcmk__op_key(rsc_2->id, action_2, 0), NULL, flags|pcmk__ar_unrunnable_first_blocks, scheduler); } return pcmk_rc_ok; } if (pcmk__xe_attr_is_true(set1, PCMK_XA_SEQUENTIAL)) { if (symmetry == ordering_symmetric_inverse) { // Get the first one xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); if (xml_rsc != NULL) { EXPAND_CONSTRAINT_IDREF(id, rsc_1, pcmk__xe_id(xml_rsc)); } } else { // Get the last one const char *rid = NULL; for (xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { rid = pcmk__xe_id(xml_rsc); } EXPAND_CONSTRAINT_IDREF(id, rsc_1, rid); } } if (pcmk__xe_attr_is_true(set2, PCMK_XA_SEQUENTIAL)) { if (symmetry == ordering_symmetric_inverse) { // Get the last one const char *rid = NULL; for (xml_rsc = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { rid = pcmk__xe_id(xml_rsc); } EXPAND_CONSTRAINT_IDREF(id, rsc_2, rid); } else { // Get the first one xml_rsc = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); if (xml_rsc != NULL) { EXPAND_CONSTRAINT_IDREF(id, rsc_2, pcmk__xe_id(xml_rsc)); } } } if ((rsc_1 != NULL) && (rsc_2 != NULL)) { pcmk__order_resource_actions(rsc_1, action_1, rsc_2, action_2, flags); } else if (rsc_1 != NULL) { for (xml_rsc = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { EXPAND_CONSTRAINT_IDREF(id, rsc_2, pcmk__xe_id(xml_rsc)); pcmk__order_resource_actions(rsc_1, action_1, rsc_2, action_2, flags); } } else if (rsc_2 != NULL) { for (xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { EXPAND_CONSTRAINT_IDREF(id, rsc_1, pcmk__xe_id(xml_rsc)); pcmk__order_resource_actions(rsc_1, action_1, rsc_2, action_2, flags); } } else { for (xml_rsc = pcmk__xe_first_child(set1, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { EXPAND_CONSTRAINT_IDREF(id, rsc_1, pcmk__xe_id(xml_rsc)); for (xmlNode *xml_rsc_2 = pcmk__xe_first_child(set2, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc_2 != NULL; xml_rsc_2 = pcmk__xe_next_same(xml_rsc_2)) { EXPAND_CONSTRAINT_IDREF(id, rsc_2, pcmk__xe_id(xml_rsc_2)); pcmk__order_resource_actions(rsc_1, action_1, rsc_2, action_2, flags); } } } return pcmk_rc_ok; } /*! * \internal * \brief If an ordering constraint uses resource tags, expand them * * \param[in,out] xml_obj Ordering constraint XML * \param[out] expanded_xml Equivalent XML with tags expanded * \param[in] scheduler Scheduler data * * \return Standard Pacemaker return code (specifically, pcmk_rc_ok on success, * and pcmk_rc_unpack_error on invalid configuration) */ static int unpack_order_tags(xmlNode *xml_obj, xmlNode **expanded_xml, const pcmk_scheduler_t *scheduler) { const char *id_first = NULL; const char *id_then = NULL; const char *action_first = NULL; const char *action_then = NULL; pcmk_resource_t *rsc_first = NULL; pcmk_resource_t *rsc_then = NULL; pcmk__idref_t *tag_first = NULL; pcmk__idref_t *tag_then = NULL; xmlNode *rsc_set_first = NULL; xmlNode *rsc_set_then = NULL; bool any_sets = false; // Check whether there are any resource sets with template or tag references *expanded_xml = pcmk__expand_tags_in_sets(xml_obj, scheduler); if (*expanded_xml != NULL) { crm_log_xml_trace(*expanded_xml, "Expanded " PCMK_XE_RSC_ORDER); return pcmk_rc_ok; } id_first = crm_element_value(xml_obj, PCMK_XA_FIRST); id_then = crm_element_value(xml_obj, PCMK_XA_THEN); if ((id_first == NULL) || (id_then == NULL)) { return pcmk_rc_ok; } if (!pcmk__valid_resource_or_tag(scheduler, id_first, &rsc_first, &tag_first)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", pcmk__xe_id(xml_obj), id_first); return pcmk_rc_unpack_error; } if (!pcmk__valid_resource_or_tag(scheduler, id_then, &rsc_then, &tag_then)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", pcmk__xe_id(xml_obj), id_then); return pcmk_rc_unpack_error; } if ((rsc_first != NULL) && (rsc_then != NULL)) { // Neither side references a template or tag return pcmk_rc_ok; } action_first = crm_element_value(xml_obj, PCMK_XA_FIRST_ACTION); action_then = crm_element_value(xml_obj, PCMK_XA_THEN_ACTION); *expanded_xml = pcmk__xml_copy(NULL, xml_obj); /* Convert template/tag reference in PCMK_XA_FIRST into constraint * PCMK_XE_RESOURCE_SET */ if (!pcmk__tag_to_set(*expanded_xml, &rsc_set_first, PCMK_XA_FIRST, true, scheduler)) { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; return pcmk_rc_unpack_error; } if (rsc_set_first != NULL) { if (action_first != NULL) { /* Move PCMK_XA_FIRST_ACTION into converted PCMK_XE_RESOURCE_SET as * PCMK_XA_ACTION */ crm_xml_add(rsc_set_first, PCMK_XA_ACTION, action_first); pcmk__xe_remove_attr(*expanded_xml, PCMK_XA_FIRST_ACTION); } any_sets = true; } /* Convert template/tag reference in PCMK_XA_THEN into constraint * PCMK_XE_RESOURCE_SET */ if (!pcmk__tag_to_set(*expanded_xml, &rsc_set_then, PCMK_XA_THEN, true, scheduler)) { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; return pcmk_rc_unpack_error; } if (rsc_set_then != NULL) { if (action_then != NULL) { /* Move PCMK_XA_THEN_ACTION into converted PCMK_XE_RESOURCE_SET as * PCMK_XA_ACTION */ crm_xml_add(rsc_set_then, PCMK_XA_ACTION, action_then); pcmk__xe_remove_attr(*expanded_xml, PCMK_XA_THEN_ACTION); } any_sets = true; } if (any_sets) { crm_log_xml_trace(*expanded_xml, "Expanded " PCMK_XE_RSC_ORDER); } else { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; } return pcmk_rc_ok; } /*! * \internal * \brief Unpack ordering constraint XML * * \param[in,out] xml_obj Ordering constraint XML to unpack * \param[in,out] scheduler Scheduler data */ void pcmk__unpack_ordering(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { xmlNode *set = NULL; xmlNode *last = NULL; xmlNode *orig_xml = NULL; xmlNode *expanded_xml = NULL; const char *id = crm_element_value(xml_obj, PCMK_XA_ID); const char *invert = crm_element_value(xml_obj, PCMK_XA_SYMMETRICAL); enum pe_order_kind kind = get_ordering_type(xml_obj); enum ordering_symmetry symmetry = get_ordering_symmetry(xml_obj, kind, NULL); // Expand any resource tags in the constraint XML if (unpack_order_tags(xml_obj, &expanded_xml, scheduler) != pcmk_rc_ok) { return; } if (expanded_xml != NULL) { orig_xml = xml_obj; xml_obj = expanded_xml; } // If the constraint has resource sets, unpack them for (set = pcmk__xe_first_child(xml_obj, PCMK_XE_RESOURCE_SET, NULL, NULL); set != NULL; set = pcmk__xe_next_same(set)) { set = pcmk__xe_resolve_idref(set, scheduler->input); if ((set == NULL) // Configuration error, message already logged || (unpack_order_set(set, kind, invert, scheduler) != pcmk_rc_ok)) { if (expanded_xml != NULL) { pcmk__xml_free(expanded_xml); } return; } if (last != NULL) { if (order_rsc_sets(id, last, set, kind, scheduler, symmetry) != pcmk_rc_ok) { if (expanded_xml != NULL) { pcmk__xml_free(expanded_xml); } return; } if ((symmetry == ordering_symmetric) && (order_rsc_sets(id, set, last, kind, scheduler, ordering_symmetric_inverse) != pcmk_rc_ok)) { if (expanded_xml != NULL) { pcmk__xml_free(expanded_xml); } return; } } last = set; } if (expanded_xml) { pcmk__xml_free(expanded_xml); xml_obj = orig_xml; } // If the constraint has no resource sets, unpack it as a simple ordering if (last == NULL) { return unpack_simple_rsc_order(xml_obj, scheduler); } } static bool ordering_is_invalid(pcmk_action_t *action, pcmk__related_action_t *input) { /* Prevent user-defined ordering constraints between resources * running in a guest node and the resource that defines that node. */ if (!pcmk_is_set(input->flags, pcmk__ar_guest_allowed) && (input->action->rsc != NULL) && pcmk__rsc_corresponds_to_guest(action->rsc, input->action->node)) { pcmk__config_warn("Invalid ordering constraint between %s and %s", input->action->rsc->id, action->rsc->id); return true; } /* If there's an order like * "rscB_stop node2"-> "load_stopped_node2" -> "rscA_migrate_to node1" * * then rscA is being migrated from node1 to node2, while rscB is being * migrated from node2 to node1. If there would be a graph loop, * break the order "load_stopped_node2" -> "rscA_migrate_to node1". */ if ((input->flags == pcmk__ar_if_on_same_node_or_target) && (action->rsc != NULL) && pcmk__str_eq(action->task, PCMK_ACTION_MIGRATE_TO, pcmk__str_none) && pcmk__graph_has_loop(action, action, input)) { return true; } return false; } void pcmk__disable_invalid_orderings(pcmk_scheduler_t *scheduler) { for (GList *iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = (pcmk_action_t *) iter->data; pcmk__related_action_t *input = NULL; for (GList *input_iter = action->actions_before; input_iter != NULL; input_iter = input_iter->next) { input = input_iter->data; if (ordering_is_invalid(action, input)) { input->flags = pcmk__ar_none; } } } } /*! * \internal * \brief Order stops on a node before the node's shutdown * * \param[in,out] node Node being shut down * \param[in] shutdown_op Shutdown action for node */ void pcmk__order_stops_before_shutdown(pcmk_node_t *node, pcmk_action_t *shutdown_op) { for (GList *iter = node->priv->scheduler->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = (pcmk_action_t *) iter->data; // Only stops on the node shutting down are relevant if (!pcmk__same_node(action->node, node) || !pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_none)) { continue; } // Resources and nodes in maintenance mode won't be touched if (pcmk_is_set(action->rsc->flags, pcmk__rsc_maintenance)) { pcmk__rsc_trace(action->rsc, "Not ordering %s before shutdown of %s because " "resource in maintenance mode", action->uuid, pcmk__node_name(node)); continue; } else if (node->details->maintenance) { pcmk__rsc_trace(action->rsc, "Not ordering %s before shutdown of %s because " "node in maintenance mode", action->uuid, pcmk__node_name(node)); continue; } /* Don't touch a resource that is unmanaged or blocked, to avoid * blocking the shutdown (though if another action depends on this one, * we may still end up blocking) */ if (!pcmk_any_flags_set(action->rsc->flags, pcmk__rsc_managed|pcmk__rsc_blocked)) { pcmk__rsc_trace(action->rsc, "Not ordering %s before shutdown of %s because " "resource is unmanaged or blocked", action->uuid, pcmk__node_name(node)); continue; } pcmk__rsc_trace(action->rsc, "Ordering %s before shutdown of %s", action->uuid, pcmk__node_name(node)); pcmk__clear_action_flags(action, pcmk__action_optional); pcmk__new_ordering(action->rsc, NULL, action, NULL, strdup(PCMK_ACTION_DO_SHUTDOWN), shutdown_op, pcmk__ar_ordered|pcmk__ar_unrunnable_first_blocks, node->priv->scheduler); } } /*! * \brief Find resource actions matching directly or as child * * \param[in] rsc Resource to check * \param[in] original_key Action key to search for (possibly referencing * parent of \rsc) * * \return Newly allocated list of matching actions * \note It is the caller's responsibility to free the result with g_list_free() */ static GList * find_actions_by_task(const pcmk_resource_t *rsc, const char *original_key) { // Search under given task key directly GList *list = find_actions(rsc->priv->actions, original_key, NULL); if (list == NULL) { // Search again using this resource's ID char *key = NULL; char *task = NULL; guint interval_ms = 0; CRM_CHECK(parse_op_key(original_key, NULL, &task, &interval_ms), return NULL); key = pcmk__op_key(rsc->id, task, interval_ms); list = find_actions(rsc->priv->actions, key, NULL); free(key); free(task); } return list; } /*! * \internal * \brief Order relevant resource actions after a given action * * \param[in,out] first_action Action to order after (or NULL if none runnable) * \param[in] rsc Resource whose actions should be ordered * \param[in,out] order Ordering constraint being applied */ static void order_resource_actions_after(pcmk_action_t *first_action, const pcmk_resource_t *rsc, pcmk__action_relation_t *order) { GList *then_actions = NULL; uint32_t flags = pcmk__ar_none; CRM_CHECK((rsc != NULL) && (order != NULL), return); flags = order->flags; pcmk__rsc_trace(rsc, "Applying ordering %d for 'then' resource %s", order->id, rsc->id); if (order->action2 != NULL) { then_actions = g_list_prepend(NULL, order->action2); } else { then_actions = find_actions_by_task(rsc, order->task2); } if (then_actions == NULL) { pcmk__rsc_trace(rsc, "Ignoring ordering %d: no %s actions found for %s", order->id, order->task2, rsc->id); return; } if ((first_action != NULL) && (first_action->rsc == rsc) && pcmk_is_set(first_action->flags, pcmk__action_migration_abort)) { pcmk__rsc_trace(rsc, "Detected dangling migration ordering (%s then %s %s)", first_action->uuid, order->task2, rsc->id); pcmk__clear_relation_flags(flags, pcmk__ar_first_implies_then); } if ((first_action == NULL) && !pcmk_is_set(flags, pcmk__ar_first_implies_then)) { pcmk__rsc_debug(rsc, "Ignoring ordering %d for %s: No first action found", order->id, rsc->id); g_list_free(then_actions); return; } for (GList *iter = then_actions; iter != NULL; iter = iter->next) { pcmk_action_t *then_action_iter = (pcmk_action_t *) iter->data; if (first_action != NULL) { order_actions(first_action, then_action_iter, flags); } else { pcmk__clear_action_flags(then_action_iter, pcmk__action_runnable); crm_warn("%s of %s is unrunnable because there is no %s of %s " "to order it after", then_action_iter->task, rsc->id, order->task1, order->rsc1->id); } } g_list_free(then_actions); } static void rsc_order_first(pcmk_resource_t *first_rsc, pcmk__action_relation_t *order) { GList *first_actions = NULL; pcmk_action_t *first_action = order->action1; pcmk_resource_t *then_rsc = order->rsc2; CRM_ASSERT(first_rsc != NULL); pcmk__rsc_trace(first_rsc, "Applying ordering constraint %d (first: %s)", order->id, first_rsc->id); if (first_action != NULL) { first_actions = g_list_prepend(NULL, first_action); } else { first_actions = find_actions_by_task(first_rsc, order->task1); } if ((first_actions == NULL) && (first_rsc == then_rsc)) { pcmk__rsc_trace(first_rsc, "Ignoring constraint %d: first (%s for %s) not found", order->id, order->task1, first_rsc->id); } else if (first_actions == NULL) { char *key = NULL; char *op_type = NULL; guint interval_ms = 0; enum rsc_role_e first_role; parse_op_key(order->task1, NULL, &op_type, &interval_ms); key = pcmk__op_key(first_rsc->id, op_type, interval_ms); first_role = first_rsc->priv->fns->state(first_rsc, TRUE); if ((first_role == pcmk_role_stopped) && pcmk__str_eq(op_type, PCMK_ACTION_STOP, pcmk__str_none)) { free(key); pcmk__rsc_trace(first_rsc, "Ignoring constraint %d: first (%s for %s) " "not found", order->id, order->task1, first_rsc->id); } else if ((first_role == pcmk_role_unpromoted) && pcmk__str_eq(op_type, PCMK_ACTION_DEMOTE, pcmk__str_none)) { free(key); pcmk__rsc_trace(first_rsc, "Ignoring constraint %d: first (%s for %s) " "not found", order->id, order->task1, first_rsc->id); } else { pcmk__rsc_trace(first_rsc, "Creating first (%s for %s) for constraint %d ", order->task1, first_rsc->id, order->id); first_action = custom_action(first_rsc, key, op_type, NULL, TRUE, first_rsc->priv->scheduler); first_actions = g_list_prepend(NULL, first_action); } free(op_type); } if (then_rsc == NULL) { if (order->action2 == NULL) { pcmk__rsc_trace(first_rsc, "Ignoring constraint %d: then not found", order->id); return; } then_rsc = order->action2->rsc; } for (GList *iter = first_actions; iter != NULL; iter = iter->next) { first_action = iter->data; if (then_rsc == NULL) { order_actions(first_action, order->action2, order->flags); } else { order_resource_actions_after(first_action, then_rsc, order); } } g_list_free(first_actions); } // GFunc to call pcmk__block_colocation_dependents() static void block_colocation_dependents(gpointer data, gpointer user_data) { pcmk__block_colocation_dependents(data); } // GFunc to call pcmk__update_action_for_orderings() static void update_action_for_orderings(gpointer data, gpointer user_data) { pcmk__update_action_for_orderings((pcmk_action_t *) data, (pcmk_scheduler_t *) user_data); } /*! * \internal * \brief Apply all ordering constraints * * \param[in,out] sched Scheduler data */ void pcmk__apply_orderings(pcmk_scheduler_t *sched) { crm_trace("Applying ordering constraints"); /* Ordering constraints need to be processed in the order they were created. * rsc_order_first() and order_resource_actions_after() require the relevant * actions to already exist in some cases, but rsc_order_first() will create * the 'first' action in certain cases. Thus calling rsc_order_first() can * change the behavior of later-created orderings. * * Also, g_list_append() should be avoided for performance reasons, so we * prepend orderings when creating them and reverse the list here. * * @TODO This is brittle and should be carefully redesigned so that the * order of creation doesn't matter, and the reverse becomes unneeded. */ sched->ordering_constraints = g_list_reverse(sched->ordering_constraints); for (GList *iter = sched->ordering_constraints; iter != NULL; iter = iter->next) { pcmk__action_relation_t *order = iter->data; pcmk_resource_t *rsc = order->rsc1; if (rsc != NULL) { rsc_order_first(rsc, order); continue; } rsc = order->rsc2; if (rsc != NULL) { order_resource_actions_after(order->action1, rsc, order); } else { crm_trace("Applying ordering constraint %d (non-resource actions)", order->id); order_actions(order->action1, order->action2, order->flags); } } g_list_foreach(sched->priv->actions, block_colocation_dependents, NULL); crm_trace("Ordering probes"); pcmk__order_probes(sched); crm_trace("Updating %d actions", g_list_length(sched->priv->actions)); g_list_foreach(sched->priv->actions, update_action_for_orderings, sched); pcmk__disable_invalid_orderings(sched); } /*! * \internal * \brief Order a given action after each action in a given list * * \param[in,out] after "After" action * \param[in,out] list List of "before" actions */ void pcmk__order_after_each(pcmk_action_t *after, GList *list) { const char *after_desc = (after->task == NULL)? after->uuid : after->task; for (GList *iter = list; iter != NULL; iter = iter->next) { pcmk_action_t *before = (pcmk_action_t *) iter->data; const char *before_desc = before->task? before->task : before->uuid; crm_debug("Ordering %s on %s before %s on %s", before_desc, pcmk__node_name(before->node), after_desc, pcmk__node_name(after->node)); order_actions(before, after, pcmk__ar_ordered); } } /*! * \internal * \brief Order promotions and demotions for restarts of a clone or bundle * * \param[in,out] rsc Clone or bundle to order */ void pcmk__promotable_restart_ordering(pcmk_resource_t *rsc) { // Order start and promote after all instances are stopped pcmk__order_resource_actions(rsc, PCMK_ACTION_STOPPED, rsc, PCMK_ACTION_START, pcmk__ar_ordered); pcmk__order_resource_actions(rsc, PCMK_ACTION_STOPPED, rsc, PCMK_ACTION_PROMOTE, pcmk__ar_ordered); // Order stop, start, and promote after all instances are demoted pcmk__order_resource_actions(rsc, PCMK_ACTION_DEMOTED, rsc, PCMK_ACTION_STOP, pcmk__ar_ordered); pcmk__order_resource_actions(rsc, PCMK_ACTION_DEMOTED, rsc, PCMK_ACTION_START, pcmk__ar_ordered); pcmk__order_resource_actions(rsc, PCMK_ACTION_DEMOTED, rsc, PCMK_ACTION_PROMOTE, pcmk__ar_ordered); // Order promote after all instances are started pcmk__order_resource_actions(rsc, PCMK_ACTION_RUNNING, rsc, PCMK_ACTION_PROMOTE, pcmk__ar_ordered); // Order demote after all instances are demoted pcmk__order_resource_actions(rsc, PCMK_ACTION_DEMOTE, rsc, PCMK_ACTION_DEMOTED, pcmk__ar_ordered); } diff --git a/lib/pacemaker/pcmk_sched_probes.c b/lib/pacemaker/pcmk_sched_probes.c index 9824a8e684..edc476b6cb 100644 --- a/lib/pacemaker/pcmk_sched_probes.c +++ b/lib/pacemaker/pcmk_sched_probes.c @@ -1,906 +1,907 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include "libpacemaker_private.h" /*! * \internal * \brief Add the expected result to a newly created probe * * \param[in,out] probe Probe action to add expected result to * \param[in] rsc Resource that probe is for * \param[in] node Node that probe will run on */ static void add_expected_result(pcmk_action_t *probe, const pcmk_resource_t *rsc, const pcmk_node_t *node) { // Check whether resource is currently active on node pcmk_node_t *running = pe_find_node_id(rsc->priv->active_nodes, node->priv->id); // The expected result is what we think the resource's current state is if (running == NULL) { pe__add_action_expected_result(probe, CRM_EX_NOT_RUNNING); } else if (rsc->priv->orig_role == pcmk_role_promoted) { pe__add_action_expected_result(probe, CRM_EX_PROMOTED); } } /*! * \internal * \brief Create any needed robes on a node for a list of resources * * \param[in,out] rscs List of resources to create probes for * \param[in,out] node Node to create probes on * * \return true if any probe was created, otherwise false */ bool pcmk__probe_resource_list(GList *rscs, pcmk_node_t *node) { bool any_created = false; for (GList *iter = rscs; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (rsc->priv->cmds->create_probe(rsc, node)) { any_created = true; } } return any_created; } /*! * \internal * \brief Order one resource's start after another's start-up probe * * \param[in,out] rsc1 Resource that might get start-up probe * \param[in] rsc2 Resource that might be started */ static void probe_then_start(pcmk_resource_t *rsc1, pcmk_resource_t *rsc2) { const pcmk_node_t *rsc1_node = rsc1->priv->assigned_node; if ((rsc1_node != NULL) && (g_hash_table_lookup(rsc1->priv->probed_nodes, rsc1_node->priv->id) == NULL)) { pcmk__new_ordering(rsc1, pcmk__op_key(rsc1->id, PCMK_ACTION_MONITOR, 0), NULL, rsc2, pcmk__op_key(rsc2->id, PCMK_ACTION_START, 0), NULL, pcmk__ar_ordered, rsc1->priv->scheduler); } } /*! * \internal * \brief Check whether a guest resource will stop * * \param[in] node Guest node to check * * \return true if guest resource will likely stop, otherwise false */ static bool guest_resource_will_stop(const pcmk_node_t *node) { const pcmk_resource_t *guest_rsc = NULL; const pcmk_node_t *guest_node = NULL; guest_rsc = node->priv->remote->priv->launcher; guest_node = guest_rsc->priv->assigned_node; /* Ideally, we'd check whether the guest has a required stop, but that * information doesn't exist yet, so approximate it ... */ return pcmk_is_set(node->priv->flags, pcmk__node_remote_reset) || node->details->unclean || pcmk_is_set(guest_rsc->flags, pcmk__rsc_failed) || (guest_rsc->priv->next_role == pcmk_role_stopped) // Guest is moving || ((guest_rsc->priv->orig_role > pcmk_role_stopped) && (guest_node != NULL) && pcmk__find_node_in_list(guest_rsc->priv->active_nodes, guest_node->priv->name) == NULL); } /*! * \internal * \brief Create a probe action for a resource on a node * * \param[in,out] rsc Resource to create probe for * \param[in,out] node Node to create probe on * * \return Newly created probe action */ static pcmk_action_t * probe_action(pcmk_resource_t *rsc, pcmk_node_t *node) { pcmk_action_t *probe = NULL; char *key = pcmk__op_key(rsc->id, PCMK_ACTION_MONITOR, 0); crm_debug("Scheduling probe of %s %s on %s", pcmk_role_text(rsc->priv->orig_role), rsc->id, pcmk__node_name(node)); probe = custom_action(rsc, key, PCMK_ACTION_MONITOR, node, FALSE, rsc->priv->scheduler); pcmk__clear_action_flags(probe, pcmk__action_optional); pcmk__order_vs_unfence(rsc, node, probe, pcmk__ar_ordered); add_expected_result(probe, rsc, node); return probe; } /*! * \internal * \brief Create probes for a resource on a node, if needed * * \brief Schedule any probes needed for a resource on a node * * \param[in,out] rsc Resource to create probe for * \param[in,out] node Node to create probe on * * \return true if any probe was created, otherwise false */ bool pcmk__probe_rsc_on_node(pcmk_resource_t *rsc, pcmk_node_t *node) { uint32_t flags = pcmk__ar_ordered; pcmk_action_t *probe = NULL; pcmk_node_t *allowed = NULL; pcmk_resource_t *top = uber_parent(rsc); const char *reason = NULL; CRM_ASSERT((rsc != NULL) && (node != NULL)); if (!pcmk_is_set(rsc->priv->scheduler->flags, pcmk__sched_probe_resources)) { reason = "start-up probes are disabled"; goto no_probe; } if (pcmk__is_pacemaker_remote_node(node)) { const char *class = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS); if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_none)) { reason = "Pacemaker Remote nodes cannot run stonith agents"; goto no_probe; } else if (pcmk__is_guest_or_bundle_node(node) && pe__resource_contains_guest_node(rsc->priv->scheduler, rsc)) { reason = "guest nodes cannot run resources containing guest nodes"; goto no_probe; } else if (pcmk_is_set(rsc->flags, pcmk__rsc_is_remote_connection)) { reason = "Pacemaker Remote nodes cannot host remote connections"; goto no_probe; } } // If this is a collective resource, probes are created for its children if (rsc->priv->children != NULL) { return pcmk__probe_resource_list(rsc->priv->children, node); } if ((rsc->priv->launcher != NULL) && !pcmk_is_set(rsc->flags, pcmk__rsc_is_remote_connection)) { reason = "resource is inside a container"; goto no_probe; } else if (pcmk_is_set(rsc->flags, pcmk__rsc_removed)) { reason = "resource is orphaned"; goto no_probe; } else if (g_hash_table_lookup(rsc->priv->probed_nodes, node->priv->id) != NULL) { reason = "resource state is already known"; goto no_probe; } allowed = g_hash_table_lookup(rsc->priv->allowed_nodes, node->priv->id); if (pcmk_is_set(rsc->flags, pcmk__rsc_exclusive_probes) || pcmk_is_set(top->flags, pcmk__rsc_exclusive_probes)) { // Exclusive discovery is enabled ... if (allowed == NULL) { // ... but this node is not allowed to run the resource reason = "resource has exclusive discovery but is not allowed " "on node"; goto no_probe; } else if (allowed->assign->probe_mode != pcmk__probe_exclusive) { // ... but no constraint marks this node for discovery of resource reason = "resource has exclusive discovery but is not enabled " "on node"; goto no_probe; } } if (allowed == NULL) { allowed = node; } if (allowed->assign->probe_mode == pcmk__probe_never) { reason = "node has discovery disabled"; goto no_probe; } if (pcmk__is_guest_or_bundle_node(node)) { pcmk_resource_t *guest = node->priv->remote->priv->launcher; if (guest->priv->orig_role == pcmk_role_stopped) { // The guest is stopped, so we know no resource is active there reason = "node's guest is stopped"; probe_then_start(guest, top); goto no_probe; } else if (guest_resource_will_stop(node)) { reason = "node's guest will stop"; // Order resource start after guest stop (in case it's restarting) pcmk__new_ordering(guest, pcmk__op_key(guest->id, PCMK_ACTION_STOP, 0), NULL, top, pcmk__op_key(top->id, PCMK_ACTION_START, 0), NULL, pcmk__ar_ordered, rsc->priv->scheduler); goto no_probe; } } // We've eliminated all cases where a probe is not needed, so now it is probe = probe_action(rsc, node); /* Below, we will order the probe relative to start or reload. If this is a * clone instance, the start or reload is for the entire clone rather than * just the instance. Otherwise, the start or reload is for the resource * itself. */ if (!pcmk__is_clone(top)) { top = rsc; } /* Prevent a start if the resource can't be probed, but don't cause the * resource or entire clone to stop if already active. */ if (!pcmk_is_set(probe->flags, pcmk__action_runnable) && (top->priv->active_nodes == NULL)) { pcmk__set_relation_flags(flags, pcmk__ar_unrunnable_first_blocks); } // Start or reload after probing the resource pcmk__new_ordering(rsc, NULL, probe, top, pcmk__op_key(top->id, PCMK_ACTION_START, 0), NULL, flags, rsc->priv->scheduler); pcmk__new_ordering(rsc, NULL, probe, top, reload_key(rsc), NULL, pcmk__ar_ordered, rsc->priv->scheduler); return true; no_probe: pcmk__rsc_trace(rsc, "Skipping probe for %s on %s because %s", rsc->id, node->priv->id, reason); return false; } /*! * \internal * \brief Check whether a probe should be ordered before another action * * \param[in] probe Probe action to check * \param[in] then Other action to check * * \return true if \p probe should be ordered before \p then, otherwise false */ static bool probe_needed_before_action(const pcmk_action_t *probe, const pcmk_action_t *then) { // Probes on a node are performed after unfencing it, not before if (pcmk__str_eq(then->task, PCMK_ACTION_STONITH, pcmk__str_none) && pcmk__same_node(probe->node, then->node)) { const char *op = g_hash_table_lookup(then->meta, PCMK__META_STONITH_ACTION); if (pcmk__str_eq(op, PCMK_ACTION_ON, pcmk__str_casei)) { return false; } } // Probes should be done on a node before shutting it down if (pcmk__str_eq(then->task, PCMK_ACTION_DO_SHUTDOWN, pcmk__str_none) && (probe->node != NULL) && (then->node != NULL) && !pcmk__same_node(probe->node, then->node)) { return false; } // Otherwise probes should always be done before any other action return true; } /*! * \internal * \brief Add implicit "probe then X" orderings for "stop then X" orderings * * If the state of a resource is not known yet, a probe will be scheduled, * expecting a "not running" result. If the probe fails, a stop will not be * scheduled until the next transition. Thus, if there are ordering constraints * like "stop this resource then do something else that's not for the same * resource", add implicit "probe this resource then do something" equivalents * so the relation is upheld until we know whether a stop is needed. * * \param[in,out] scheduler Scheduler data */ static void add_probe_orderings_for_stops(pcmk_scheduler_t *scheduler) { for (GList *iter = scheduler->ordering_constraints; iter != NULL; iter = iter->next) { pcmk__action_relation_t *order = iter->data; uint32_t order_flags = pcmk__ar_ordered; GList *probes = NULL; GList *then_actions = NULL; pcmk_action_t *first = NULL; pcmk_action_t *then = NULL; // Skip disabled orderings if (order->flags == pcmk__ar_none) { continue; } // Skip non-resource orderings, and orderings for the same resource if ((order->rsc1 == NULL) || (order->rsc1 == order->rsc2)) { continue; } // Skip invalid orderings (shouldn't be possible) first = order->action1; then = order->action2; if (((first == NULL) && (order->task1 == NULL)) || ((then == NULL) && (order->task2 == NULL))) { continue; } // Skip orderings for first actions other than stop if ((first != NULL) && !pcmk__str_eq(first->task, PCMK_ACTION_STOP, pcmk__str_none)) { continue; } else if ((first == NULL) && !pcmk__ends_with(order->task1, "_" PCMK_ACTION_STOP "_0")) { continue; } /* Do not imply a probe ordering for a resource inside of a stopping * launcher. Otherwise, it might introduce a transition loop, since a * probe could be scheduled after the launcher starts again. */ if ((order->rsc2 != NULL) && (order->rsc1->priv->launcher == order->rsc2)) { if ((then != NULL) && pcmk__str_eq(then->task, PCMK_ACTION_STOP, pcmk__str_none)) { continue; } else if ((then == NULL) && pcmk__ends_with(order->task2, "_" PCMK_ACTION_STOP "_0")) { continue; } } // Preserve certain order options for future filtering if (pcmk_is_set(order->flags, pcmk__ar_if_first_unmigratable)) { pcmk__set_relation_flags(order_flags, pcmk__ar_if_first_unmigratable); } if (pcmk_is_set(order->flags, pcmk__ar_if_on_same_node)) { pcmk__set_relation_flags(order_flags, pcmk__ar_if_on_same_node); } // Preserve certain order types for future filtering if ((order->flags == pcmk__ar_if_required_on_same_node) || (order->flags == pcmk__ar_if_on_same_node_or_target)) { order_flags = order->flags; } // List all scheduled probes for the first resource probes = pe__resource_actions(order->rsc1, NULL, PCMK_ACTION_MONITOR, FALSE); if (probes == NULL) { // There aren't any continue; } // List all relevant "then" actions if (then != NULL) { then_actions = g_list_prepend(NULL, then); } else if (order->rsc2 != NULL) { then_actions = find_actions(order->rsc2->priv->actions, order->task2, NULL); if (then_actions == NULL) { // There aren't any g_list_free(probes); continue; } } crm_trace("Implying 'probe then' orderings for '%s then %s' " "(id=%d, type=%.6x)", ((first == NULL)? order->task1 : first->uuid), ((then == NULL)? order->task2 : then->uuid), order->id, order->flags); for (GList *probe_iter = probes; probe_iter != NULL; probe_iter = probe_iter->next) { pcmk_action_t *probe = (pcmk_action_t *) probe_iter->data; for (GList *then_iter = then_actions; then_iter != NULL; then_iter = then_iter->next) { pcmk_action_t *then = (pcmk_action_t *) then_iter->data; if (probe_needed_before_action(probe, then)) { order_actions(probe, then, order_flags); } } } g_list_free(then_actions); g_list_free(probes); } } /*! * \internal * \brief Add necessary orderings between probe and starts of clone instances * * , in additon to the ordering with the parent resource added upon creating * the probe. * * \param[in,out] probe Probe as 'first' action in an ordering * \param[in,out] after 'then' action wrapper in the ordering */ static void add_start_orderings_for_probe(pcmk_action_t *probe, pcmk__related_action_t *after) { uint32_t flags = pcmk__ar_ordered|pcmk__ar_unrunnable_first_blocks; /* Although the ordering between the probe of the clone instance and the * start of its parent has been added in pcmk__probe_rsc_on_node(), we * avoided enforcing `pcmk__ar_unrunnable_first_blocks` order type for that * as long as any of the clone instances are running to prevent them from * being unexpectedly stopped. * * On the other hand, we still need to prevent any inactive instances from * starting unless the probe is runnable so that we don't risk starting too * many instances before we know the state on all nodes. */ if ((after->action->rsc->priv->variant <= pcmk__rsc_variant_group) || pcmk_is_set(probe->flags, pcmk__action_runnable) // The order type is already enforced for its parent. || pcmk_is_set(after->flags, pcmk__ar_unrunnable_first_blocks) || (pe__const_top_resource(probe->rsc, false) != after->action->rsc) || !pcmk__str_eq(after->action->task, PCMK_ACTION_START, pcmk__str_none)) { return; } crm_trace("Adding probe start orderings for 'unrunnable %s@%s " "then instances of %s@%s'", probe->uuid, pcmk__node_name(probe->node), after->action->uuid, pcmk__node_name(after->action->node)); for (GList *then_iter = after->action->actions_after; then_iter != NULL; then_iter = then_iter->next) { pcmk__related_action_t *then = then_iter->data; if ((then->action->rsc->priv->active_nodes != NULL) || (pe__const_top_resource(then->action->rsc, false) != after->action->rsc) || !pcmk__str_eq(then->action->task, PCMK_ACTION_START, pcmk__str_none)) { continue; } crm_trace("Adding probe start ordering for 'unrunnable %s@%s " "then %s@%s' (type=%#.6x)", probe->uuid, pcmk__node_name(probe->node), then->action->uuid, pcmk__node_name(then->action->node), flags); /* Prevent the instance from starting if the instance can't, but don't * cause any other intances to stop if already active. */ order_actions(probe, then->action, flags); } return; } /*! * \internal * \brief Order probes before restarts and re-promotes * * If a given ordering is a "probe then start" or "probe then promote" ordering, * add an implicit "probe then stop/demote" ordering in case the action is part * of a restart/re-promote, and do the same recursively for all actions ordered * after the "then" action. * * \param[in,out] probe Probe as 'first' action in an ordering * \param[in,out] after 'then' action in the ordering */ static void add_restart_orderings_for_probe(pcmk_action_t *probe, pcmk_action_t *after) { GList *iter = NULL; bool interleave = false; pcmk_resource_t *compatible_rsc = NULL; // Validate that this is a resource probe followed by some action if ((after == NULL) || (probe == NULL) || !pcmk__is_primitive(probe->rsc) || !pcmk__str_eq(probe->task, PCMK_ACTION_MONITOR, pcmk__str_none)) { return; } // Avoid running into any possible loop if (pcmk_is_set(after->flags, pcmk__action_detect_loop)) { return; } pcmk__set_action_flags(after, pcmk__action_detect_loop); crm_trace("Adding probe restart orderings for '%s@%s then %s@%s'", probe->uuid, pcmk__node_name(probe->node), after->uuid, pcmk__node_name(after->node)); /* Add restart orderings if "then" is for a different primitive. * Orderings for collective resources will be added later. */ if (pcmk__is_primitive(after->rsc) && (probe->rsc != after->rsc)) { GList *then_actions = NULL; if (pcmk__str_eq(after->task, PCMK_ACTION_START, pcmk__str_none)) { then_actions = pe__resource_actions(after->rsc, NULL, PCMK_ACTION_STOP, FALSE); } else if (pcmk__str_eq(after->task, PCMK_ACTION_PROMOTE, pcmk__str_none)) { then_actions = pe__resource_actions(after->rsc, NULL, PCMK_ACTION_DEMOTE, FALSE); } for (iter = then_actions; iter != NULL; iter = iter->next) { pcmk_action_t *then = (pcmk_action_t *) iter->data; // Skip pseudo-actions (for example, those implied by fencing) if (!pcmk_is_set(then->flags, pcmk__action_pseudo)) { order_actions(probe, then, pcmk__ar_ordered); } } g_list_free(then_actions); } /* Detect whether "then" is an interleaved clone action. For these, we want * to add orderings only for the relevant instance. */ if ((after->rsc != NULL) && (after->rsc->priv->variant > pcmk__rsc_variant_group)) { interleave = crm_is_true(g_hash_table_lookup(after->rsc->priv->meta, PCMK_META_INTERLEAVE)); if (interleave) { compatible_rsc = pcmk__find_compatible_instance(probe->rsc, after->rsc, pcmk_role_unknown, false); } } /* Now recursively do the same for all actions ordered after "then". This * also handles collective resources since the collective action will be * ordered before its individual instances' actions. */ for (iter = after->actions_after; iter != NULL; iter = iter->next) { pcmk__related_action_t *after_wrapper = iter->data; const pcmk_resource_t *chained_rsc = NULL; /* pcmk__ar_first_implies_then is the reason why a required A.start * implies/enforces B.start to be required too, which is the cause of * B.restart/re-promote. * * Not sure about pcmk__ar_first_implies_same_node_then though. It's now * only used for unfencing case, which tends to introduce transition * loops... */ if (!pcmk_is_set(after_wrapper->flags, pcmk__ar_first_implies_then)) { /* The order type between a group/clone and its child such as * B.start-> B_child.start is: * pcmk__ar_then_implies_first_graphed * |pcmk__ar_unrunnable_first_blocks * * Proceed through the ordering chain and build dependencies with * its children. */ if ((after->rsc == NULL) || (after->rsc->priv->variant < pcmk__rsc_variant_group) || (probe->rsc->priv->parent == after->rsc) || (after_wrapper->action->rsc == NULL)) { continue; } chained_rsc = after_wrapper->action->rsc; if ((chained_rsc->priv->variant > pcmk__rsc_variant_group) || (after->rsc != chained_rsc->priv->parent)) { continue; } /* Proceed to the children of a group or a non-interleaved clone. * For an interleaved clone, proceed only to the relevant child. */ if ((after->rsc->priv->variant > pcmk__rsc_variant_group) && interleave && ((compatible_rsc == NULL) || (compatible_rsc != chained_rsc))) { continue; } } crm_trace("Recursively adding probe restart orderings for " "'%s@%s then %s@%s' (type=%#.6x)", after->uuid, pcmk__node_name(after->node), after_wrapper->action->uuid, pcmk__node_name(after_wrapper->action->node), after_wrapper->flags); add_restart_orderings_for_probe(probe, after_wrapper->action); } } /*! * \internal * \brief Clear the tracking flag on all scheduled actions * * \param[in,out] scheduler Scheduler data */ static void clear_actions_tracking_flag(pcmk_scheduler_t *scheduler) { for (GList *iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = iter->data; pcmk__clear_action_flags(action, pcmk__action_detect_loop); } } /*! * \internal * \brief Add start and restart orderings for probes scheduled for a resource * * \param[in,out] data Resource whose probes should be ordered * \param[in] user_data Unused */ static void add_start_restart_orderings_for_rsc(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; GList *probes = NULL; // For collective resources, order each instance recursively if (!pcmk__is_primitive(rsc)) { g_list_foreach(rsc->priv->children, add_start_restart_orderings_for_rsc, NULL); return; } // Find all probes for given resource probes = pe__resource_actions(rsc, NULL, PCMK_ACTION_MONITOR, FALSE); // Add probe restart orderings for each probe found for (GList *iter = probes; iter != NULL; iter = iter->next) { pcmk_action_t *probe = (pcmk_action_t *) iter->data; for (GList *then_iter = probe->actions_after; then_iter != NULL; then_iter = then_iter->next) { pcmk__related_action_t *then = then_iter->data; add_start_orderings_for_probe(probe, then); add_restart_orderings_for_probe(probe, then->action); clear_actions_tracking_flag(rsc->priv->scheduler); } } g_list_free(probes); } /*! * \internal * \brief Add "A then probe B" orderings for "A then B" orderings * * \param[in,out] scheduler Scheduler data * * \note This function is currently disabled (see next comment). */ static void order_then_probes(pcmk_scheduler_t *scheduler) { #if 0 /* Given an ordering "A then B", we would prefer to wait for A to be started * before probing B. * * For example, if A is a filesystem which B can't even run without, it * would be helpful if the author of B's agent could assume that A is * running before B.monitor will be called. * * However, we can't _only_ probe after A is running, otherwise we wouldn't * detect the state of B if A could not be started. We can't even do an * opportunistic version of this, because B may be moving: * * A.stop -> A.start -> B.probe -> B.stop -> B.start * * and if we add B.stop -> A.stop here, we get a loop: * * A.stop -> A.start -> B.probe -> B.stop -> A.stop * * We could kill the "B.probe -> B.stop" dependency, but that could mean * stopping B "too" soon, because B.start must wait for the probe, and * we don't want to stop B if we can't start it. * * We could add the ordering only if A is an anonymous clone with * clone-max == node-max (since we'll never be moving it). However, we could * still be stopping one instance at the same time as starting another. * * The complexity of checking for allowed conditions combined with the ever * narrowing use case suggests that this code should remain disabled until * someone gets smarter. */ - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; pcmk_action_t *start = NULL; GList *actions = NULL; GList *probes = NULL; actions = pe__resource_actions(rsc, NULL, PCMK_ACTION_START, FALSE); if (actions) { start = actions->data; g_list_free(actions); } if (start == NULL) { crm_debug("No start action for %s", rsc->id); continue; } probes = pe__resource_actions(rsc, NULL, PCMK_ACTION_MONITOR, FALSE); for (actions = start->actions_before; actions != NULL; actions = actions->next) { pcmk__related_action_t *before = actions->data; pcmk_action_t *first = before->action; pcmk_resource_t *first_rsc = first->rsc; if (first->required_runnable_before) { for (GList *clone_actions = first->actions_before; clone_actions != NULL; clone_actions = clone_actions->next) { before = clone_actions->data; crm_trace("Testing '%s then %s' for %s", first->uuid, before->action->uuid, start->uuid); CRM_ASSERT(before->action->rsc != NULL); first_rsc = before->action->rsc; break; } } else if (!pcmk__str_eq(first->task, PCMK_ACTION_START, pcmk__str_none)) { crm_trace("Not a start op %s for %s", first->uuid, start->uuid); } if (first_rsc == NULL) { continue; } else if (pe__const_top_resource(first_rsc, false) == pe__const_top_resource(start->rsc, false)) { crm_trace("Same parent %s for %s", first_rsc->id, start->uuid); continue; } else if (!pcmk__is_clone(pe__const_top_resource(first_rsc, false))) { crm_trace("Not a clone %s for %s", first_rsc->id, start->uuid); continue; } crm_debug("Applying %s before %s", first->uuid, start->uuid); for (GList *probe_iter = probes; probe_iter != NULL; probe_iter = probe_iter->next) { pcmk_action_t *probe = (pcmk_action_t *) probe_iter->data; crm_debug("Ordering %s before %s", first->uuid, probe->uuid); order_actions(first, probe, pcmk__ar_ordered); } } } #endif } void pcmk__order_probes(pcmk_scheduler_t *scheduler) { // Add orderings for "probe then X" - g_list_foreach(scheduler->resources, add_start_restart_orderings_for_rsc, - NULL); + g_list_foreach(scheduler->priv->resources, + add_start_restart_orderings_for_rsc, NULL); add_probe_orderings_for_stops(scheduler); order_then_probes(scheduler); } /*! * \internal * \brief Schedule any probes needed * * \param[in,out] scheduler Scheduler data * * \note This may also schedule fencing of failed remote nodes. */ void pcmk__schedule_probes(pcmk_scheduler_t *scheduler) { // Schedule probes on each node in the cluster as needed for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; if (!node->details->online) { // Don't probe offline nodes if (pcmk__is_failed_remote_node(node)) { pe_fence_node(scheduler, node, "the connection is unrecoverable", FALSE); } continue; } if (node->details->unclean) { // Don't probe nodes that need fencing continue; } if (!pcmk_is_set(node->priv->flags, pcmk__node_probes_allowed)) { // The user requested that probes not be done on this node continue; } // Probe each resource in the cluster on this node, as needed - pcmk__probe_resource_list(scheduler->resources, node); + pcmk__probe_resource_list(scheduler->priv->resources, node); } } diff --git a/lib/pacemaker/pcmk_sched_resource.c b/lib/pacemaker/pcmk_sched_resource.c index b46afa9cd0..d016857b6c 100644 --- a/lib/pacemaker/pcmk_sched_resource.c +++ b/lib/pacemaker/pcmk_sched_resource.c @@ -1,796 +1,800 @@ /* * Copyright 2014-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include "libpacemaker_private.h" // Resource assignment methods by resource variant static pcmk__assignment_methods_t assignment_methods[] = { { pcmk__primitive_assign, pcmk__primitive_create_actions, pcmk__probe_rsc_on_node, pcmk__primitive_internal_constraints, pcmk__primitive_apply_coloc_score, pcmk__colocated_resources, pcmk__with_primitive_colocations, pcmk__primitive_with_colocations, pcmk__add_colocated_node_scores, pcmk__apply_location, pcmk__primitive_action_flags, pcmk__update_ordered_actions, pcmk__output_resource_actions, pcmk__add_rsc_actions_to_graph, pcmk__primitive_add_graph_meta, pcmk__primitive_add_utilization, pcmk__primitive_shutdown_lock, }, { pcmk__group_assign, pcmk__group_create_actions, pcmk__probe_rsc_on_node, pcmk__group_internal_constraints, pcmk__group_apply_coloc_score, pcmk__group_colocated_resources, pcmk__with_group_colocations, pcmk__group_with_colocations, pcmk__group_add_colocated_node_scores, pcmk__group_apply_location, pcmk__group_action_flags, pcmk__group_update_ordered_actions, pcmk__output_resource_actions, pcmk__add_rsc_actions_to_graph, pcmk__noop_add_graph_meta, pcmk__group_add_utilization, pcmk__group_shutdown_lock, }, { pcmk__clone_assign, pcmk__clone_create_actions, pcmk__clone_create_probe, pcmk__clone_internal_constraints, pcmk__clone_apply_coloc_score, pcmk__colocated_resources, pcmk__with_clone_colocations, pcmk__clone_with_colocations, pcmk__add_colocated_node_scores, pcmk__clone_apply_location, pcmk__clone_action_flags, pcmk__instance_update_ordered_actions, pcmk__output_resource_actions, pcmk__clone_add_actions_to_graph, pcmk__clone_add_graph_meta, pcmk__clone_add_utilization, pcmk__clone_shutdown_lock, }, { pcmk__bundle_assign, pcmk__bundle_create_actions, pcmk__bundle_create_probe, pcmk__bundle_internal_constraints, pcmk__bundle_apply_coloc_score, pcmk__colocated_resources, pcmk__with_bundle_colocations, pcmk__bundle_with_colocations, pcmk__add_colocated_node_scores, pcmk__bundle_apply_location, pcmk__bundle_action_flags, pcmk__instance_update_ordered_actions, pcmk__output_bundle_actions, pcmk__bundle_add_actions_to_graph, pcmk__noop_add_graph_meta, pcmk__bundle_add_utilization, pcmk__bundle_shutdown_lock, } }; /*! * \internal * \brief Check whether a resource's agent standard, provider, or type changed * * \param[in,out] rsc Resource to check * \param[in,out] node Node needing unfencing if agent changed * \param[in] rsc_entry XML with previously known agent information * \param[in] active_on_node Whether \p rsc is active on \p node * * \return true if agent for \p rsc changed, otherwise false */ bool pcmk__rsc_agent_changed(pcmk_resource_t *rsc, pcmk_node_t *node, const xmlNode *rsc_entry, bool active_on_node) { bool changed = false; const char *attr_list[] = { PCMK_XA_TYPE, PCMK_XA_CLASS, PCMK_XA_PROVIDER, }; for (int i = 0; i < PCMK__NELEM(attr_list); i++) { const char *value = crm_element_value(rsc->priv->xml, attr_list[i]); const char *old_value = crm_element_value(rsc_entry, attr_list[i]); if (!pcmk__str_eq(value, old_value, pcmk__str_none)) { changed = true; trigger_unfencing(rsc, node, "Device definition changed", NULL, rsc->priv->scheduler); if (active_on_node) { crm_notice("Forcing restart of %s on %s " "because %s changed from '%s' to '%s'", rsc->id, pcmk__node_name(node), attr_list[i], pcmk__s(old_value, ""), pcmk__s(value, "")); } } } if (changed && active_on_node) { // Make sure the resource is restarted custom_action(rsc, stop_key(rsc), PCMK_ACTION_STOP, node, FALSE, rsc->priv->scheduler); pcmk__set_rsc_flags(rsc, pcmk__rsc_start_pending); } return changed; } /*! * \internal * \brief Add resource (and any matching children) to list if it matches ID * * \param[in] result List to add resource to * \param[in] rsc Resource to check * \param[in] id ID to match * * \return (Possibly new) head of list */ static GList * add_rsc_if_matching(GList *result, pcmk_resource_t *rsc, const char *id) { if (pcmk__str_eq(id, rsc->id, pcmk__str_none) || pcmk__str_eq(id, rsc->priv->history_id, pcmk__str_none)) { result = g_list_prepend(result, rsc); } for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = (pcmk_resource_t *) iter->data; result = add_rsc_if_matching(result, child, id); } return result; } /*! * \internal * \brief Find all resources matching a given ID by either ID or clone name * * \param[in] id Resource ID to check * \param[in] scheduler Scheduler data * * \return List of all resources that match \p id * \note The caller is responsible for freeing the return value with * g_list_free(). */ GList * pcmk__rscs_matching_id(const char *id, const pcmk_scheduler_t *scheduler) { GList *result = NULL; CRM_CHECK((id != NULL) && (scheduler != NULL), return NULL); - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + result = add_rsc_if_matching(result, (pcmk_resource_t *) iter->data, id); } return result; } /*! * \internal * \brief Set the variant-appropriate assignment methods for a resource * * \param[in,out] data Resource to set assignment methods for * \param[in] user_data Ignored */ static void set_assignment_methods_for_rsc(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; rsc->priv->cmds = &assignment_methods[rsc->priv->variant]; g_list_foreach(rsc->priv->children, set_assignment_methods_for_rsc, NULL); } /*! * \internal * \brief Set the variant-appropriate assignment methods for all resources * * \param[in,out] scheduler Scheduler data */ void pcmk__set_assignment_methods(pcmk_scheduler_t *scheduler) { - g_list_foreach(scheduler->resources, set_assignment_methods_for_rsc, NULL); + g_list_foreach(scheduler->priv->resources, set_assignment_methods_for_rsc, + NULL); } /*! * \internal * \brief Wrapper for colocated_resources() method for readability * * \param[in] rsc Resource to add to colocated list * \param[in] orig_rsc Resource originally requested * \param[in,out] list Pointer to list to add to * * \return (Possibly new) head of list */ static inline void add_colocated_resources(const pcmk_resource_t *rsc, const pcmk_resource_t *orig_rsc, GList **list) { *list = rsc->priv->cmds->colocated_resources(rsc, orig_rsc, *list); } // Shared implementation of pcmk__assignment_methods_t:colocated_resources() GList * pcmk__colocated_resources(const pcmk_resource_t *rsc, const pcmk_resource_t *orig_rsc, GList *colocated_rscs) { const GList *iter = NULL; GList *colocations = NULL; if (orig_rsc == NULL) { orig_rsc = rsc; } if ((rsc == NULL) || (g_list_find(colocated_rscs, rsc) != NULL)) { return colocated_rscs; } pcmk__rsc_trace(orig_rsc, "%s is in colocation chain with %s", rsc->id, orig_rsc->id); colocated_rscs = g_list_prepend(colocated_rscs, (gpointer) rsc); // Follow colocations where this resource is the dependent resource colocations = pcmk__this_with_colocations(rsc); for (iter = colocations; iter != NULL; iter = iter->next) { const pcmk__colocation_t *constraint = iter->data; const pcmk_resource_t *primary = constraint->primary; if (primary == orig_rsc) { continue; // Break colocation loop } if ((constraint->score == PCMK_SCORE_INFINITY) && (pcmk__colocation_affects(rsc, primary, constraint, true) == pcmk__coloc_affects_location)) { add_colocated_resources(primary, orig_rsc, &colocated_rscs); } } g_list_free(colocations); // Follow colocations where this resource is the primary resource colocations = pcmk__with_this_colocations(rsc); for (iter = colocations; iter != NULL; iter = iter->next) { const pcmk__colocation_t *constraint = iter->data; const pcmk_resource_t *dependent = constraint->dependent; if (dependent == orig_rsc) { continue; // Break colocation loop } if (pcmk__is_clone(rsc) && !pcmk__is_clone(dependent)) { continue; // We can't be sure whether dependent will be colocated } if ((constraint->score == PCMK_SCORE_INFINITY) && (pcmk__colocation_affects(dependent, rsc, constraint, true) == pcmk__coloc_affects_location)) { add_colocated_resources(dependent, orig_rsc, &colocated_rscs); } } g_list_free(colocations); return colocated_rscs; } // No-op function for variants that don't need to implement add_graph_meta() void pcmk__noop_add_graph_meta(const pcmk_resource_t *rsc, xmlNode *xml) { } /*! * \internal * \brief Output a summary of scheduled actions for a resource * * \param[in,out] rsc Resource to output actions for */ void pcmk__output_resource_actions(pcmk_resource_t *rsc) { pcmk_node_t *next = NULL; pcmk_node_t *current = NULL; pcmk__output_t *out = NULL; CRM_ASSERT(rsc != NULL); out = rsc->priv->scheduler->priv->out; if (rsc->priv->children != NULL) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = (pcmk_resource_t *) iter->data; child->priv->cmds->output_actions(child); } return; } next = rsc->priv->assigned_node; if (rsc->priv->active_nodes != NULL) { current = pcmk__current_node(rsc); if (rsc->priv->orig_role == pcmk_role_stopped) { /* This can occur when resources are being recovered because * the current role can change in pcmk__primitive_create_actions() */ rsc->priv->orig_role = pcmk_role_started; } } if ((current == NULL) && pcmk_is_set(rsc->flags, pcmk__rsc_removed)) { /* Don't log stopped orphans */ return; } out->message(out, "rsc-action", rsc, current, next); } /*! * \internal * \brief Add a resource to a node's list of assigned resources * * \param[in,out] node Node to add resource to * \param[in] rsc Resource to add */ static inline void add_assigned_resource(pcmk_node_t *node, pcmk_resource_t *rsc) { node->priv->assigned_resources = g_list_prepend(node->priv->assigned_resources, rsc); } /*! * \internal * \brief Assign a specified resource (of any variant) to a node * * Assign a specified resource and its children (if any) to a specified node, if * the node can run the resource (or unconditionally, if \p force is true). Mark * the resources as no longer provisional. * * If a resource can't be assigned (or \p node is \c NULL), unassign any * previous assignment. If \p stop_if_fail is \c true, set next role to stopped * and update any existing actions scheduled for the resource. * * \param[in,out] rsc Resource to assign * \param[in,out] node Node to assign \p rsc to * \param[in] force If true, assign to \p node even if unavailable * \param[in] stop_if_fail If \c true and either \p rsc can't be assigned * or \p chosen is \c NULL, set next role to * stopped and update existing actions (if \p rsc * is not a primitive, this applies to its * primitive descendants instead) * * \return \c true if the assignment of \p rsc changed, or \c false otherwise * * \note Assigning a resource to the NULL node using this function is different * from calling pcmk__unassign_resource(), in that it may also update any * actions created for the resource. * \note The \c pcmk__assignment_methods_t:assign() method is preferred, unless * a resource should be assigned to the \c NULL node or every resource in * a tree should be assigned to the same node. * \note If \p stop_if_fail is \c false, then \c pcmk__unassign_resource() can * completely undo the assignment. A successful assignment can be either * undone or left alone as final. A failed assignment has the same effect * as calling pcmk__unassign_resource(); there are no side effects on * roles or actions. */ bool pcmk__assign_resource(pcmk_resource_t *rsc, pcmk_node_t *node, bool force, bool stop_if_fail) { bool changed = false; pcmk_scheduler_t *scheduler = NULL; CRM_ASSERT(rsc != NULL); scheduler = rsc->priv->scheduler; if (rsc->priv->children != NULL) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child_rsc = iter->data; changed |= pcmk__assign_resource(child_rsc, node, force, stop_if_fail); } return changed; } // Assigning a primitive if (!force && (node != NULL) && ((node->assign->score < 0) // Allow graph to assume that guest node connections will come up || (!pcmk__node_available(node, true, false) && !pcmk__is_guest_or_bundle_node(node)))) { pcmk__rsc_debug(rsc, "All nodes for resource %s are unavailable, unclean or " "shutting down (%s can%s run resources, with score %s)", rsc->id, pcmk__node_name(node), (pcmk__node_available(node, true, false)? "" : "not"), pcmk_readable_score(node->assign->score)); if (stop_if_fail) { pe__set_next_role(rsc, pcmk_role_stopped, "node availability"); } node = NULL; } if (rsc->priv->assigned_node != NULL) { changed = !pcmk__same_node(rsc->priv->assigned_node, node); } else { changed = (node != NULL); } pcmk__unassign_resource(rsc); pcmk__clear_rsc_flags(rsc, pcmk__rsc_unassigned); if (node == NULL) { char *rc_stopped = NULL; pcmk__rsc_debug(rsc, "Could not assign %s to a node", rsc->id); if (!stop_if_fail) { return changed; } pe__set_next_role(rsc, pcmk_role_stopped, "unable to assign"); for (GList *iter = rsc->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *op = (pcmk_action_t *) iter->data; pcmk__rsc_debug(rsc, "Updating %s for %s assignment failure", op->uuid, rsc->id); if (pcmk__str_eq(op->task, PCMK_ACTION_STOP, pcmk__str_none)) { pcmk__clear_action_flags(op, pcmk__action_optional); } else if (pcmk__str_eq(op->task, PCMK_ACTION_START, pcmk__str_none)) { pcmk__clear_action_flags(op, pcmk__action_runnable); } else { // Cancel recurring actions, unless for stopped state const char *interval_ms_s = NULL; const char *target_rc_s = NULL; interval_ms_s = g_hash_table_lookup(op->meta, PCMK_META_INTERVAL); target_rc_s = g_hash_table_lookup(op->meta, PCMK__META_OP_TARGET_RC); if (rc_stopped == NULL) { rc_stopped = pcmk__itoa(PCMK_OCF_NOT_RUNNING); } if (!pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches) && !pcmk__str_eq(rc_stopped, target_rc_s, pcmk__str_none)) { pcmk__clear_action_flags(op, pcmk__action_runnable); } } } free(rc_stopped); return changed; } pcmk__rsc_debug(rsc, "Assigning %s to %s", rsc->id, pcmk__node_name(node)); rsc->priv->assigned_node = pe__copy_node(node); add_assigned_resource(node, rsc); node->priv->num_resources++; node->assign->count++; pcmk__consume_node_capacity(node->priv->utilization, rsc); if (pcmk_is_set(scheduler->flags, pcmk__sched_show_utilization)) { pcmk__output_t *out = scheduler->priv->out; out->message(out, "resource-util", rsc, node, __func__); } return changed; } /*! * \internal * \brief Remove any node assignment from a specified resource and its children * * If a specified resource has been assigned to a node, remove that assignment * and mark the resource as provisional again. * * \param[in,out] rsc Resource to unassign * * \note This function is called recursively on \p rsc and its children. */ void pcmk__unassign_resource(pcmk_resource_t *rsc) { pcmk_node_t *old = rsc->priv->assigned_node; if (old == NULL) { crm_info("Unassigning %s", rsc->id); } else { crm_info("Unassigning %s from %s", rsc->id, pcmk__node_name(old)); } pcmk__set_rsc_flags(rsc, pcmk__rsc_unassigned); if (rsc->priv->children == NULL) { if (old == NULL) { return; } rsc->priv->assigned_node = NULL; /* We're going to free the pcmk_node_t, but its details member is shared * and will remain, so update that appropriately first. */ old->priv->assigned_resources = g_list_remove(old->priv->assigned_resources, rsc); old->priv->num_resources--; pcmk__release_node_capacity(old->priv->utilization, rsc); free(old); return; } for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk__unassign_resource((pcmk_resource_t *) iter->data); } } /*! * \internal * \brief Check whether a resource has reached its migration threshold on a node * * \param[in,out] rsc Resource to check * \param[in] node Node to check * \param[out] failed If threshold has been reached, this will be set to * resource that failed (possibly a parent of \p rsc) * * \return true if the migration threshold has been reached, false otherwise */ bool pcmk__threshold_reached(pcmk_resource_t *rsc, const pcmk_node_t *node, pcmk_resource_t **failed) { int fail_count, remaining_tries; pcmk_resource_t *rsc_to_ban = rsc; // Migration threshold of 0 means never force away if (rsc->priv->ban_after_failures == 0) { return false; } // If we're ignoring failures, also ignore the migration threshold if (pcmk_is_set(rsc->flags, pcmk__rsc_ignore_failure)) { return false; } // If there are no failures, there's no need to force away fail_count = pe_get_failcount(node, rsc, NULL, pcmk__fc_effective|pcmk__fc_launched, NULL); if (fail_count <= 0) { return false; } // If failed resource is anonymous clone instance, we'll force clone away if (!pcmk_is_set(rsc->flags, pcmk__rsc_unique)) { rsc_to_ban = uber_parent(rsc); } // How many more times recovery will be tried on this node remaining_tries = rsc->priv->ban_after_failures - fail_count; if (remaining_tries <= 0) { pcmk__sched_warn(rsc->priv->scheduler, "%s cannot run on %s due to reaching migration " "threshold (clean up resource to allow again)" QB_XS " failures=%d " PCMK_META_MIGRATION_THRESHOLD "=%d", rsc_to_ban->id, pcmk__node_name(node), fail_count, rsc->priv->ban_after_failures); if (failed != NULL) { *failed = rsc_to_ban; } return true; } crm_info("%s can fail %d more time%s on " "%s before reaching migration threshold (%d)", rsc_to_ban->id, remaining_tries, pcmk__plural_s(remaining_tries), pcmk__node_name(node), rsc->priv->ban_after_failures); return false; } /*! * \internal * \brief Get a node's score * * \param[in] node Node with ID to check * \param[in] nodes List of nodes to look for \p node score in * * \return Node's score, or -INFINITY if not found */ static int get_node_score(const pcmk_node_t *node, GHashTable *nodes) { pcmk_node_t *found_node = NULL; if ((node != NULL) && (nodes != NULL)) { found_node = g_hash_table_lookup(nodes, node->priv->id); } if (found_node == NULL) { return -PCMK_SCORE_INFINITY; } return found_node->assign->score; } /*! * \internal * \brief Compare two resources according to which should be assigned first * * \param[in] a First resource to compare * \param[in] b Second resource to compare * \param[in] data Sorted list of all nodes in cluster * * \return -1 if \p a should be assigned before \b, 0 if they are equal, * or +1 if \p a should be assigned after \b */ static gint cmp_resources(gconstpointer a, gconstpointer b, gpointer data) { /* GLib insists that this function require gconstpointer arguments, but we * make a small, temporary change to each argument (setting the * pe_rsc_merging flag) during comparison */ pcmk_resource_t *resource1 = (pcmk_resource_t *) a; pcmk_resource_t *resource2 = (pcmk_resource_t *) b; const GList *nodes = data; int rc = 0; int r1_score = -PCMK_SCORE_INFINITY; int r2_score = -PCMK_SCORE_INFINITY; pcmk_node_t *r1_node = NULL; pcmk_node_t *r2_node = NULL; GHashTable *r1_nodes = NULL; GHashTable *r2_nodes = NULL; const char *reason = NULL; // Resources with highest priority should be assigned first reason = "priority"; r1_score = resource1->priv->priority; r2_score = resource2->priv->priority; if (r1_score > r2_score) { rc = -1; goto done; } if (r1_score < r2_score) { rc = 1; goto done; } // We need nodes to make any other useful comparisons reason = "no node list"; if (nodes == NULL) { goto done; } // Calculate and log node scores resource1->priv->cmds->add_colocated_node_scores(resource1, NULL, resource1->id, &r1_nodes, NULL, 1, pcmk__coloc_select_this_with); resource2->priv->cmds->add_colocated_node_scores(resource2, NULL, resource2->id, &r2_nodes, NULL, 1, pcmk__coloc_select_this_with); pe__show_node_scores(true, NULL, resource1->id, r1_nodes, resource1->priv->scheduler); pe__show_node_scores(true, NULL, resource2->id, r2_nodes, resource2->priv->scheduler); // The resource with highest score on its current node goes first reason = "current location"; if (resource1->priv->active_nodes != NULL) { r1_node = pcmk__current_node(resource1); } if (resource2->priv->active_nodes != NULL) { r2_node = pcmk__current_node(resource2); } r1_score = get_node_score(r1_node, r1_nodes); r2_score = get_node_score(r2_node, r2_nodes); if (r1_score > r2_score) { rc = -1; goto done; } if (r1_score < r2_score) { rc = 1; goto done; } // Otherwise a higher score on any node will do reason = "score"; for (const GList *iter = nodes; iter != NULL; iter = iter->next) { const pcmk_node_t *node = (const pcmk_node_t *) iter->data; r1_score = get_node_score(node, r1_nodes); r2_score = get_node_score(node, r2_nodes); if (r1_score > r2_score) { rc = -1; goto done; } if (r1_score < r2_score) { rc = 1; goto done; } } done: crm_trace("%s (%d)%s%s %c %s (%d)%s%s: %s", resource1->id, r1_score, ((r1_node == NULL)? "" : " on "), ((r1_node == NULL)? "" : r1_node->priv->id), ((rc < 0)? '>' : ((rc > 0)? '<' : '=')), resource2->id, r2_score, ((r2_node == NULL)? "" : " on "), ((r2_node == NULL)? "" : r2_node->priv->id), reason); if (r1_nodes != NULL) { g_hash_table_destroy(r1_nodes); } if (r2_nodes != NULL) { g_hash_table_destroy(r2_nodes); } return rc; } /*! * \internal * \brief Sort resources in the order they should be assigned to nodes * * \param[in,out] scheduler Scheduler data */ void pcmk__sort_resources(pcmk_scheduler_t *scheduler) { GList *nodes = g_list_copy(scheduler->nodes); nodes = pcmk__sort_nodes(nodes, NULL); - scheduler->resources = g_list_sort_with_data(scheduler->resources, - cmp_resources, nodes); + scheduler->priv->resources = + g_list_sort_with_data(scheduler->priv->resources, cmp_resources, nodes); g_list_free(nodes); } diff --git a/lib/pacemaker/pcmk_sched_tickets.c b/lib/pacemaker/pcmk_sched_tickets.c index 68ab6ea0c5..6632c30cc4 100644 --- a/lib/pacemaker/pcmk_sched_tickets.c +++ b/lib/pacemaker/pcmk_sched_tickets.c @@ -1,553 +1,554 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include "libpacemaker_private.h" enum loss_ticket_policy { loss_ticket_stop, loss_ticket_demote, loss_ticket_fence, loss_ticket_freeze }; typedef struct { const char *id; pcmk_resource_t *rsc; pcmk__ticket_t *ticket; enum loss_ticket_policy loss_policy; int role; } rsc_ticket_t; /*! * \brief Check whether a ticket constraint matches a resource by role * * \param[in] rsc_ticket Ticket constraint * \param[in] rsc Resource to compare with ticket * * \param[in] true if constraint has no role or resource's role matches * constraint's, otherwise false */ static bool ticket_role_matches(const pcmk_resource_t *rsc, const rsc_ticket_t *rsc_ticket) { if ((rsc_ticket->role == pcmk_role_unknown) || (rsc_ticket->role == rsc->priv->orig_role)) { return true; } pcmk__rsc_trace(rsc, "Skipping constraint: \"%s\" state filter", pcmk_role_text(rsc_ticket->role)); return false; } /*! * \brief Create location constraints and fencing as needed for a ticket * * \param[in,out] rsc Resource affected by ticket * \param[in] rsc_ticket Ticket */ static void constraints_for_ticket(pcmk_resource_t *rsc, const rsc_ticket_t *rsc_ticket) { GList *iter = NULL; CRM_CHECK((rsc != NULL) && (rsc_ticket != NULL), return); if (pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_granted) && !pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_standby)) { return; } if (rsc->priv->children != NULL) { pcmk__rsc_trace(rsc, "Processing ticket dependencies from %s", rsc->id); for (iter = rsc->priv->children; iter != NULL; iter = iter->next) { constraints_for_ticket((pcmk_resource_t *) iter->data, rsc_ticket); } return; } pcmk__rsc_trace(rsc, "%s: Processing ticket dependency on %s (%s, %s)", rsc->id, rsc_ticket->ticket->id, rsc_ticket->id, pcmk_role_text(rsc_ticket->role)); if (!pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_granted) && (rsc->priv->active_nodes != NULL)) { switch (rsc_ticket->loss_policy) { case loss_ticket_stop: resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__loss_of_ticket__", rsc->priv->scheduler); break; case loss_ticket_demote: // Promotion score will be set to -INFINITY in promotion_order() if (rsc_ticket->role != pcmk_role_promoted) { resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__loss_of_ticket__", rsc->priv->scheduler); } break; case loss_ticket_fence: if (!ticket_role_matches(rsc, rsc_ticket)) { return; } resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__loss_of_ticket__", rsc->priv->scheduler); for (iter = rsc->priv->active_nodes; iter != NULL; iter = iter->next) { pe_fence_node(rsc->priv->scheduler, (pcmk_node_t *) iter->data, "deadman ticket was lost", FALSE); } break; case loss_ticket_freeze: if (!ticket_role_matches(rsc, rsc_ticket)) { return; } if (rsc->priv->active_nodes != NULL) { pcmk__clear_rsc_flags(rsc, pcmk__rsc_managed); pcmk__set_rsc_flags(rsc, pcmk__rsc_blocked); } break; } } else if (!pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_granted)) { if ((rsc_ticket->role != pcmk_role_promoted) || (rsc_ticket->loss_policy == loss_ticket_stop)) { resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__no_ticket__", rsc->priv->scheduler); } } else if (pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_standby)) { if ((rsc_ticket->role != pcmk_role_promoted) || (rsc_ticket->loss_policy == loss_ticket_stop)) { resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__ticket_standby__", rsc->priv->scheduler); } } } static void rsc_ticket_new(const char *id, pcmk_resource_t *rsc, pcmk__ticket_t *ticket, const char *state, const char *loss_policy) { rsc_ticket_t *new_rsc_ticket = NULL; if (rsc == NULL) { pcmk__config_err("Ignoring ticket '%s' because resource " "does not exist", id); return; } new_rsc_ticket = calloc(1, sizeof(rsc_ticket_t)); if (new_rsc_ticket == NULL) { return; } if (pcmk__str_eq(state, PCMK_ROLE_STARTED, pcmk__str_null_matches|pcmk__str_casei)) { state = PCMK__ROLE_UNKNOWN; } new_rsc_ticket->id = id; new_rsc_ticket->ticket = ticket; new_rsc_ticket->rsc = rsc; new_rsc_ticket->role = pcmk_parse_role(state); if (pcmk__str_eq(loss_policy, PCMK_VALUE_FENCE, pcmk__str_casei)) { if (pcmk_is_set(rsc->priv->scheduler->flags, pcmk__sched_fencing_enabled)) { new_rsc_ticket->loss_policy = loss_ticket_fence; } else { pcmk__config_err("Resetting '" PCMK_XA_LOSS_POLICY "' " "for ticket '%s' to '" PCMK_VALUE_STOP "' " "because fencing is not configured", ticket->id); loss_policy = PCMK_VALUE_STOP; } } if (new_rsc_ticket->loss_policy == loss_ticket_fence) { crm_debug("On loss of ticket '%s': Fence the nodes running %s (%s)", new_rsc_ticket->ticket->id, new_rsc_ticket->rsc->id, pcmk_role_text(new_rsc_ticket->role)); } else if (pcmk__str_eq(loss_policy, PCMK_VALUE_FREEZE, pcmk__str_casei)) { crm_debug("On loss of ticket '%s': Freeze %s (%s)", new_rsc_ticket->ticket->id, new_rsc_ticket->rsc->id, pcmk_role_text(new_rsc_ticket->role)); new_rsc_ticket->loss_policy = loss_ticket_freeze; } else if (pcmk__str_eq(loss_policy, PCMK_VALUE_DEMOTE, pcmk__str_casei)) { crm_debug("On loss of ticket '%s': Demote %s (%s)", new_rsc_ticket->ticket->id, new_rsc_ticket->rsc->id, pcmk_role_text(new_rsc_ticket->role)); new_rsc_ticket->loss_policy = loss_ticket_demote; } else if (pcmk__str_eq(loss_policy, PCMK_VALUE_STOP, pcmk__str_casei)) { crm_debug("On loss of ticket '%s': Stop %s (%s)", new_rsc_ticket->ticket->id, new_rsc_ticket->rsc->id, pcmk_role_text(new_rsc_ticket->role)); new_rsc_ticket->loss_policy = loss_ticket_stop; } else { if (new_rsc_ticket->role == pcmk_role_promoted) { crm_debug("On loss of ticket '%s': Default to demote %s (%s)", new_rsc_ticket->ticket->id, new_rsc_ticket->rsc->id, pcmk_role_text(new_rsc_ticket->role)); new_rsc_ticket->loss_policy = loss_ticket_demote; } else { crm_debug("On loss of ticket '%s': Default to stop %s (%s)", new_rsc_ticket->ticket->id, new_rsc_ticket->rsc->id, pcmk_role_text(new_rsc_ticket->role)); new_rsc_ticket->loss_policy = loss_ticket_stop; } } pcmk__rsc_trace(rsc, "%s (%s) ==> %s", rsc->id, pcmk_role_text(new_rsc_ticket->role), ticket->id); rsc->priv->ticket_constraints = g_list_append(rsc->priv->ticket_constraints, new_rsc_ticket); rsc->priv->scheduler->ticket_constraints = g_list_append(rsc->priv->scheduler->ticket_constraints, new_rsc_ticket); if (!pcmk_is_set(new_rsc_ticket->ticket->flags, pcmk__ticket_granted) || pcmk_is_set(new_rsc_ticket->ticket->flags, pcmk__ticket_standby)) { constraints_for_ticket(rsc, new_rsc_ticket); } } // \return Standard Pacemaker return code static int unpack_rsc_ticket_set(xmlNode *set, pcmk__ticket_t *ticket, const char *loss_policy, pcmk_scheduler_t *scheduler) { const char *set_id = NULL; const char *role = NULL; CRM_CHECK(set != NULL, return EINVAL); CRM_CHECK(ticket != NULL, return EINVAL); set_id = pcmk__xe_id(set); if (set_id == NULL) { pcmk__config_err("Ignoring <" PCMK_XE_RESOURCE_SET "> without " PCMK_XA_ID); return pcmk_rc_unpack_error; } role = crm_element_value(set, PCMK_XA_ROLE); for (xmlNode *xml_rsc = pcmk__xe_first_child(set, PCMK_XE_RESOURCE_REF, NULL, NULL); xml_rsc != NULL; xml_rsc = pcmk__xe_next_same(xml_rsc)) { pcmk_resource_t *resource = NULL; - resource = pcmk__find_constraint_resource(scheduler->resources, + resource = pcmk__find_constraint_resource(scheduler->priv->resources, pcmk__xe_id(xml_rsc)); if (resource == NULL) { pcmk__config_err("%s: No resource found for %s", set_id, pcmk__xe_id(xml_rsc)); return pcmk_rc_unpack_error; } pcmk__rsc_trace(resource, "Resource '%s' depends on ticket '%s'", resource->id, ticket->id); rsc_ticket_new(set_id, resource, ticket, role, loss_policy); } return pcmk_rc_ok; } static void unpack_simple_rsc_ticket(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { const char *id = NULL; const char *ticket_str = crm_element_value(xml_obj, PCMK_XA_TICKET); const char *loss_policy = crm_element_value(xml_obj, PCMK_XA_LOSS_POLICY); pcmk__ticket_t *ticket = NULL; const char *rsc_id = crm_element_value(xml_obj, PCMK_XA_RSC); const char *state = crm_element_value(xml_obj, PCMK_XA_RSC_ROLE); // @COMPAT: Deprecated since 2.1.5 const char *instance = crm_element_value(xml_obj, PCMK__XA_RSC_INSTANCE); pcmk_resource_t *rsc = NULL; if (instance != NULL) { pcmk__warn_once(pcmk__wo_coloc_inst, "Support for " PCMK__XA_RSC_INSTANCE " is deprecated " "and will be removed in a future release"); } CRM_CHECK(xml_obj != NULL, return); id = pcmk__xe_id(xml_obj); if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return; } if (ticket_str == NULL) { pcmk__config_err("Ignoring constraint '%s' without ticket specified", id); return; } else { ticket = g_hash_table_lookup(scheduler->priv->ticket_constraints, ticket_str); } if (ticket == NULL) { pcmk__config_err("Ignoring constraint '%s' because ticket '%s' " "does not exist", id, ticket_str); return; } if (rsc_id == NULL) { pcmk__config_err("Ignoring constraint '%s' without resource", id); return; } else { - rsc = pcmk__find_constraint_resource(scheduler->resources, rsc_id); + rsc = pcmk__find_constraint_resource(scheduler->priv->resources, + rsc_id); } if (rsc == NULL) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "does not exist", id, rsc_id); return; } else if ((instance != NULL) && !pcmk__is_clone(rsc)) { pcmk__config_err("Ignoring constraint '%s' because resource '%s' " "is not a clone but instance '%s' was requested", id, rsc_id, instance); return; } if (instance != NULL) { rsc = find_clone_instance(rsc, instance); if (rsc == NULL) { pcmk__config_warn("Ignoring constraint '%s' because resource '%s' " "does not have an instance '%s'", "'%s'", id, rsc_id, instance); return; } } rsc_ticket_new(id, rsc, ticket, state, loss_policy); } // \return Standard Pacemaker return code static int unpack_rsc_ticket_tags(xmlNode *xml_obj, xmlNode **expanded_xml, pcmk_scheduler_t *scheduler) { const char *id = NULL; const char *rsc_id = NULL; const char *state = NULL; pcmk_resource_t *rsc = NULL; pcmk__idref_t *tag = NULL; xmlNode *rsc_set = NULL; *expanded_xml = NULL; CRM_CHECK(xml_obj != NULL, return EINVAL); id = pcmk__xe_id(xml_obj); if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return pcmk_rc_unpack_error; } // Check whether there are any resource sets with template or tag references *expanded_xml = pcmk__expand_tags_in_sets(xml_obj, scheduler); if (*expanded_xml != NULL) { crm_log_xml_trace(*expanded_xml, "Expanded rsc_ticket"); return pcmk_rc_ok; } rsc_id = crm_element_value(xml_obj, PCMK_XA_RSC); if (rsc_id == NULL) { return pcmk_rc_ok; } if (!pcmk__valid_resource_or_tag(scheduler, rsc_id, &rsc, &tag)) { pcmk__config_err("Ignoring constraint '%s' because '%s' is not a " "valid resource or tag", id, rsc_id); return pcmk_rc_unpack_error; } else if (rsc != NULL) { // No template or tag is referenced return pcmk_rc_ok; } state = crm_element_value(xml_obj, PCMK_XA_RSC_ROLE); *expanded_xml = pcmk__xml_copy(NULL, xml_obj); /* Convert any template or tag reference in "rsc" into ticket * PCMK_XE_RESOURCE_SET */ if (!pcmk__tag_to_set(*expanded_xml, &rsc_set, PCMK_XA_RSC, false, scheduler)) { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; return pcmk_rc_unpack_error; } if (rsc_set != NULL) { if (state != NULL) { /* Move PCMK_XA_RSC_ROLE into converted PCMK_XE_RESOURCE_SET as a * PCMK_XA_ROLE attribute */ crm_xml_add(rsc_set, PCMK_XA_ROLE, state); pcmk__xe_remove_attr(*expanded_xml, PCMK_XA_RSC_ROLE); } } else { pcmk__xml_free(*expanded_xml); *expanded_xml = NULL; } return pcmk_rc_ok; } void pcmk__unpack_rsc_ticket(xmlNode *xml_obj, pcmk_scheduler_t *scheduler) { xmlNode *set = NULL; bool any_sets = false; const char *id = NULL; const char *ticket_str = NULL; pcmk__ticket_t *ticket = NULL; xmlNode *orig_xml = NULL; xmlNode *expanded_xml = NULL; CRM_CHECK(xml_obj != NULL, return); id = pcmk__xe_id(xml_obj); if (id == NULL) { pcmk__config_err("Ignoring <%s> constraint without " PCMK_XA_ID, xml_obj->name); return; } if (scheduler->priv->ticket_constraints == NULL) { scheduler->priv->ticket_constraints = pcmk__strkey_table(free, destroy_ticket); } ticket_str = crm_element_value(xml_obj, PCMK_XA_TICKET); if (ticket_str == NULL) { pcmk__config_err("Ignoring constraint '%s' without ticket", id); return; } else { ticket = g_hash_table_lookup(scheduler->priv->ticket_constraints, ticket_str); } if (ticket == NULL) { ticket = ticket_new(ticket_str, scheduler); if (ticket == NULL) { return; } } if (unpack_rsc_ticket_tags(xml_obj, &expanded_xml, scheduler) != pcmk_rc_ok) { return; } if (expanded_xml != NULL) { orig_xml = xml_obj; xml_obj = expanded_xml; } for (set = pcmk__xe_first_child(xml_obj, PCMK_XE_RESOURCE_SET, NULL, NULL); set != NULL; set = pcmk__xe_next_same(set)) { const char *loss_policy = NULL; any_sets = true; set = pcmk__xe_resolve_idref(set, scheduler->input); loss_policy = crm_element_value(xml_obj, PCMK_XA_LOSS_POLICY); if ((set == NULL) // Configuration error, message already logged || (unpack_rsc_ticket_set(set, ticket, loss_policy, scheduler) != pcmk_rc_ok)) { if (expanded_xml != NULL) { pcmk__xml_free(expanded_xml); } return; } } if (expanded_xml) { pcmk__xml_free(expanded_xml); xml_obj = orig_xml; } if (!any_sets) { unpack_simple_rsc_ticket(xml_obj, scheduler); } } /*! * \internal * \brief Ban resource from a node if it doesn't have a promotion ticket * * If a resource has tickets for the promoted role, and the ticket is either not * granted or set to standby, then ban the resource from all nodes. * * \param[in,out] rsc Resource to check */ void pcmk__require_promotion_tickets(pcmk_resource_t *rsc) { for (GList *item = rsc->priv->ticket_constraints; item != NULL; item = item->next) { rsc_ticket_t *rsc_ticket = (rsc_ticket_t *) item->data; if ((rsc_ticket->role == pcmk_role_promoted) && (!pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_granted) || pcmk_is_set(rsc_ticket->ticket->flags, pcmk__ticket_standby))) { resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__stateful_without_ticket__", rsc->priv->scheduler); } } } diff --git a/lib/pacemaker/pcmk_scheduler.c b/lib/pacemaker/pcmk_scheduler.c index e1161cbc00..9bd4fe2edd 100644 --- a/lib/pacemaker/pcmk_scheduler.c +++ b/lib/pacemaker/pcmk_scheduler.c @@ -1,908 +1,918 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include "libpacemaker_private.h" CRM_TRACE_INIT_DATA(pacemaker); /*! * \internal * \brief Do deferred action checks after assignment * * When unpacking the resource history, the scheduler checks for resource * configurations that have changed since an action was run. However, at that * time, bundles using the REMOTE_CONTAINER_HACK don't have their final * parameter information, so instead they add a deferred check to a list. This * function processes one entry in that list. * * \param[in,out] rsc Resource that action history is for * \param[in,out] node Node that action history is for * \param[in] rsc_op Action history entry * \param[in] check Type of deferred check to do */ static void check_params(pcmk_resource_t *rsc, pcmk_node_t *node, const xmlNode *rsc_op, enum pcmk__check_parameters check) { const char *reason = NULL; pcmk__op_digest_t *digest_data = NULL; switch (check) { case pcmk__check_active: if (pcmk__check_action_config(rsc, node, rsc_op) && pe_get_failcount(node, rsc, NULL, pcmk__fc_effective, NULL)) { reason = "action definition changed"; } break; case pcmk__check_last_failure: digest_data = rsc_action_digest_cmp(rsc, rsc_op, node, rsc->priv->scheduler); switch (digest_data->rc) { case pcmk__digest_unknown: crm_trace("Resource %s history entry %s on %s has " "no digest to compare", rsc->id, pcmk__xe_id(rsc_op), node->priv->id); break; case pcmk__digest_match: break; default: reason = "resource parameters have changed"; break; } break; } if (reason != NULL) { pe__clear_failcount(rsc, node, reason, rsc->priv->scheduler); } } /*! * \internal * \brief Check whether a resource has failcount clearing scheduled on a node * * \param[in] node Node to check * \param[in] rsc Resource to check * * \return true if \p rsc has failcount clearing scheduled on \p node, * otherwise false */ static bool failcount_clear_action_exists(const pcmk_node_t *node, const pcmk_resource_t *rsc) { GList *list = pe__resource_actions(rsc, node, PCMK_ACTION_CLEAR_FAILCOUNT, TRUE); if (list != NULL) { g_list_free(list); return true; } return false; } /*! * \internal * \brief Ban a resource from a node if it reached its failure threshold there * * \param[in,out] data Resource to check failure threshold for * \param[in] user_data Node to check resource on */ static void check_failure_threshold(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; const pcmk_node_t *node = user_data; // If this is a collective resource, apply recursively to children instead if (rsc->priv->children != NULL) { g_list_foreach(rsc->priv->children, check_failure_threshold, user_data); return; } if (!failcount_clear_action_exists(node, rsc)) { /* Don't force the resource away from this node due to a failcount * that's going to be cleared. * * @TODO Failcount clearing can be scheduled in * pcmk__handle_rsc_config_changes() via process_rsc_history(), or in * schedule_resource_actions() via check_params(). This runs well before * then, so it cannot detect those, meaning we might check the migration * threshold when we shouldn't. Worst case, we stop or move the * resource, then move it back in the next transition. */ pcmk_resource_t *failed = NULL; if (pcmk__threshold_reached(rsc, node, &failed)) { resource_location(failed, node, -PCMK_SCORE_INFINITY, "__fail_limit__", rsc->priv->scheduler); } } } /*! * \internal * \brief If resource has exclusive discovery, ban node if not allowed * * Location constraints have a PCMK_XA_RESOURCE_DISCOVERY option that allows * users to specify where probes are done for the affected resource. If this is * set to \c exclusive, probes will only be done on nodes listed in exclusive * constraints. This function bans the resource from the node if the node is not * listed. * * \param[in,out] data Resource to check * \param[in] user_data Node to check resource on */ static void apply_exclusive_discovery(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; const pcmk_node_t *node = user_data; if (pcmk_is_set(rsc->flags, pcmk__rsc_exclusive_probes) || pcmk_is_set(pe__const_top_resource(rsc, false)->flags, pcmk__rsc_exclusive_probes)) { pcmk_node_t *match = NULL; // If this is a collective resource, apply recursively to children g_list_foreach(rsc->priv->children, apply_exclusive_discovery, user_data); match = g_hash_table_lookup(rsc->priv->allowed_nodes, node->priv->id); if ((match != NULL) && (match->assign->probe_mode != pcmk__probe_exclusive)) { match->assign->score = -PCMK_SCORE_INFINITY; } } } /*! * \internal * \brief Apply stickiness to a resource if appropriate * * \param[in,out] data Resource to check for stickiness * \param[in] user_data Ignored */ static void apply_stickiness(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; pcmk_node_t *node = NULL; // If this is a collective resource, apply recursively to children instead if (rsc->priv->children != NULL) { g_list_foreach(rsc->priv->children, apply_stickiness, NULL); return; } /* A resource is sticky if it is managed, has stickiness configured, and is * active on a single node. */ if (!pcmk_is_set(rsc->flags, pcmk__rsc_managed) || (rsc->priv->stickiness < 1) || !pcmk__list_of_1(rsc->priv->active_nodes)) { return; } node = rsc->priv->active_nodes->data; /* In a symmetric cluster, stickiness can always be used. In an * asymmetric cluster, we have to check whether the resource is still * allowed on the node, so we don't keep the resource somewhere it is no * longer explicitly enabled. */ if (!pcmk_is_set(rsc->priv->scheduler->flags, pcmk__sched_symmetric_cluster) && (g_hash_table_lookup(rsc->priv->allowed_nodes, node->priv->id) == NULL)) { pcmk__rsc_debug(rsc, "Ignoring %s stickiness because the cluster is " "asymmetric and %s is not explicitly allowed", rsc->id, pcmk__node_name(node)); return; } pcmk__rsc_debug(rsc, "Resource %s has %d stickiness on %s", rsc->id, rsc->priv->stickiness, pcmk__node_name(node)); resource_location(rsc, node, rsc->priv->stickiness, "stickiness", rsc->priv->scheduler); } /*! * \internal * \brief Apply shutdown locks for all resources as appropriate * * \param[in,out] scheduler Scheduler data */ static void apply_shutdown_locks(pcmk_scheduler_t *scheduler) { if (!pcmk_is_set(scheduler->flags, pcmk__sched_shutdown_lock)) { return; } - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; rsc->priv->cmds->shutdown_lock(rsc); } } /*! * \internal * \brief Calculate the number of available nodes in the cluster * * \param[in,out] scheduler Scheduler data */ static void count_available_nodes(pcmk_scheduler_t *scheduler) { if (pcmk_is_set(scheduler->flags, pcmk__sched_no_compat)) { return; } // @COMPAT for API backward compatibility only (cluster does not use value) for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; if ((node != NULL) && (node->assign->score >= 0) && node->details->online && (node->priv->variant != pcmk__node_variant_ping)) { scheduler->max_valid_nodes++; } } crm_trace("Online node count: %d", scheduler->max_valid_nodes); } /* * \internal * \brief Apply node-specific scheduling criteria * * After the CIB has been unpacked, process node-specific scheduling criteria * including shutdown locks, location constraints, resource stickiness, * migration thresholds, and exclusive resource discovery. */ static void apply_node_criteria(pcmk_scheduler_t *scheduler) { crm_trace("Applying node-specific scheduling criteria"); apply_shutdown_locks(scheduler); count_available_nodes(scheduler); pcmk__apply_locations(scheduler); - g_list_foreach(scheduler->resources, apply_stickiness, NULL); + g_list_foreach(scheduler->priv->resources, apply_stickiness, NULL); for (GList *node_iter = scheduler->nodes; node_iter != NULL; node_iter = node_iter->next) { - for (GList *rsc_iter = scheduler->resources; rsc_iter != NULL; - rsc_iter = rsc_iter->next) { + + for (GList *rsc_iter = scheduler->priv->resources; + rsc_iter != NULL; rsc_iter = rsc_iter->next) { + check_failure_threshold(rsc_iter->data, node_iter->data); apply_exclusive_discovery(rsc_iter->data, node_iter->data); } } } /*! * \internal * \brief Assign resources to nodes * * \param[in,out] scheduler Scheduler data */ static void assign_resources(pcmk_scheduler_t *scheduler) { GList *iter = NULL; crm_trace("Assigning resources to nodes"); if (!pcmk__str_eq(scheduler->priv->placement_strategy, PCMK_VALUE_DEFAULT, pcmk__str_casei)) { pcmk__sort_resources(scheduler); } pcmk__show_node_capacities("Original", scheduler); if (pcmk_is_set(scheduler->flags, pcmk__sched_have_remote_nodes)) { /* Assign remote connection resources first (which will also assign any * colocation dependencies). If the connection is migrating, always * prefer the partial migration target. */ - for (iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; const pcmk_node_t *target = rsc->priv->partial_migration_target; if (pcmk_is_set(rsc->flags, pcmk__rsc_is_remote_connection)) { pcmk__rsc_trace(rsc, "Assigning remote connection resource '%s'", rsc->id); rsc->priv->cmds->assign(rsc, target, true); } } } /* now do the rest of the resources */ - for (iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (iter = scheduler->priv->resources; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (!pcmk_is_set(rsc->flags, pcmk__rsc_is_remote_connection)) { pcmk__rsc_trace(rsc, "Assigning %s resource '%s'", rsc->priv->xml->name, rsc->id); rsc->priv->cmds->assign(rsc, NULL, true); } } pcmk__show_node_capacities("Remaining", scheduler); } /*! * \internal * \brief Schedule fail count clearing on online nodes if resource is orphaned * * \param[in,out] data Resource to check * \param[in] user_data Ignored */ static void clear_failcounts_if_orphaned(gpointer data, gpointer user_data) { pcmk_resource_t *rsc = data; if (!pcmk_is_set(rsc->flags, pcmk__rsc_removed)) { return; } crm_trace("Clear fail counts for orphaned resource %s", rsc->id); /* There's no need to recurse into rsc->private->children because those * should just be unassigned clone instances. */ for (GList *iter = rsc->priv->scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; pcmk_action_t *clear_op = NULL; if (!node->details->online) { continue; } if (pe_get_failcount(node, rsc, NULL, pcmk__fc_effective, NULL) == 0) { continue; } clear_op = pe__clear_failcount(rsc, node, "it is orphaned", rsc->priv->scheduler); /* We can't use order_action_then_stop() here because its * pcmk__ar_guest_allowed breaks things */ pcmk__new_ordering(clear_op->rsc, NULL, clear_op, rsc, stop_key(rsc), NULL, pcmk__ar_ordered, rsc->priv->scheduler); } } /*! * \internal * \brief Schedule any resource actions needed * * \param[in,out] scheduler Scheduler data */ static void schedule_resource_actions(pcmk_scheduler_t *scheduler) { // Process deferred action checks pe__foreach_param_check(scheduler, check_params); pe__free_param_checks(scheduler); if (pcmk_is_set(scheduler->flags, pcmk__sched_probe_resources)) { crm_trace("Scheduling probes"); pcmk__schedule_probes(scheduler); } if (pcmk_is_set(scheduler->flags, pcmk__sched_stop_removed_resources)) { - g_list_foreach(scheduler->resources, clear_failcounts_if_orphaned, + g_list_foreach(scheduler->priv->resources, clear_failcounts_if_orphaned, NULL); } crm_trace("Scheduling resource actions"); - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; rsc->priv->cmds->create_actions(rsc); } } /*! * \internal * \brief Check whether a resource or any of its descendants are managed * * \param[in] rsc Resource to check * * \return true if resource or any descendant is managed, otherwise false */ static bool is_managed(const pcmk_resource_t *rsc) { if (pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { return true; } for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { if (is_managed((pcmk_resource_t *) iter->data)) { return true; } } return false; } /*! * \internal * \brief Check whether any resources in the cluster are managed * * \param[in] scheduler Scheduler data * * \return true if any resource is managed, otherwise false */ static bool any_managed_resources(const pcmk_scheduler_t *scheduler) { - for (const GList *iter = scheduler->resources; + for (const GList *iter = scheduler->priv->resources; iter != NULL; iter = iter->next) { if (is_managed((const pcmk_resource_t *) iter->data)) { return true; } } return false; } /*! * \internal * \brief Check whether a node requires fencing * * \param[in] node Node to check * \param[in] have_managed Whether any resource in cluster is managed * * \return true if \p node should be fenced, otherwise false */ static bool needs_fencing(const pcmk_node_t *node, bool have_managed) { return have_managed && node->details->unclean && pe_can_fence(node->priv->scheduler, node); } /*! * \internal * \brief Check whether a node requires shutdown * * \param[in] node Node to check * * \return true if \p node should be shut down, otherwise false */ static bool needs_shutdown(const pcmk_node_t *node) { if (pcmk__is_pacemaker_remote_node(node)) { /* Do not send shutdown actions for Pacemaker Remote nodes. * @TODO We might come up with a good use for this in the future. */ return false; } return node->details->online && node->details->shutdown; } /*! * \internal * \brief Track and order non-DC fencing * * \param[in,out] list List of existing non-DC fencing actions * \param[in,out] action Fencing action to prepend to \p list * \param[in] scheduler Scheduler data * * \return (Possibly new) head of \p list */ static GList * add_nondc_fencing(GList *list, pcmk_action_t *action, const pcmk_scheduler_t *scheduler) { if (!pcmk_is_set(scheduler->flags, pcmk__sched_concurrent_fencing) && (list != NULL)) { /* Concurrent fencing is disabled, so order each non-DC * fencing in a chain. If there is any DC fencing or * shutdown, it will be ordered after the last action in the * chain later. */ order_actions((pcmk_action_t *) list->data, action, pcmk__ar_ordered); } return g_list_prepend(list, action); } /*! * \internal * \brief Schedule a node for fencing * * \param[in,out] node Node that requires fencing */ static pcmk_action_t * schedule_fencing(pcmk_node_t *node) { pcmk_action_t *fencing = pe_fence_op(node, NULL, FALSE, "node is unclean", FALSE, node->priv->scheduler); pcmk__sched_warn(node->priv->scheduler, "Scheduling node %s for fencing", pcmk__node_name(node)); pcmk__order_vs_fence(fencing, node->priv->scheduler); return fencing; } /*! * \internal * \brief Create and order node fencing and shutdown actions * * \param[in,out] scheduler Scheduler data */ static void schedule_fencing_and_shutdowns(pcmk_scheduler_t *scheduler) { pcmk_action_t *dc_down = NULL; bool integrity_lost = false; bool have_managed = any_managed_resources(scheduler); GList *fencing_ops = NULL; GList *shutdown_ops = NULL; crm_trace("Scheduling fencing and shutdowns as needed"); if (!have_managed) { crm_notice("No fencing will be done until there are resources " "to manage"); } // Check each node for whether it needs fencing or shutdown for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; pcmk_action_t *fencing = NULL; const bool is_dc = pcmk__same_node(node, scheduler->dc_node); /* Guest nodes are "fenced" by recovering their container resource, * so handle them separately. */ if (pcmk__is_guest_or_bundle_node(node)) { if (pcmk_is_set(node->priv->flags, pcmk__node_remote_reset) && have_managed && pe_can_fence(scheduler, node)) { pcmk__fence_guest(node); } continue; } if (needs_fencing(node, have_managed)) { fencing = schedule_fencing(node); // Track DC and non-DC fence actions separately if (is_dc) { dc_down = fencing; } else { fencing_ops = add_nondc_fencing(fencing_ops, fencing, scheduler); } } else if (needs_shutdown(node)) { pcmk_action_t *down_op = pcmk__new_shutdown_action(node); // Track DC and non-DC shutdown actions separately if (is_dc) { dc_down = down_op; } else { shutdown_ops = g_list_prepend(shutdown_ops, down_op); } } if ((fencing == NULL) && node->details->unclean) { integrity_lost = true; pcmk__config_warn("Node %s is unclean but cannot be fenced", pcmk__node_name(node)); } } if (integrity_lost) { if (!pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { pcmk__config_warn("Resource functionality and data integrity " "cannot be guaranteed (configure, enable, " "and test fencing to correct this)"); } else if (!pcmk_is_set(scheduler->flags, pcmk__sched_quorate)) { crm_notice("Unclean nodes will not be fenced until quorum is " "attained or " PCMK_OPT_NO_QUORUM_POLICY " is set to " PCMK_VALUE_IGNORE); } } if (dc_down != NULL) { /* Order any non-DC shutdowns before any DC shutdown, to avoid repeated * DC elections. However, we don't want to order non-DC shutdowns before * a DC *fencing*, because even though we don't want a node that's * shutting down to become DC, the DC fencing could be ordered before a * clone stop that's also ordered before the shutdowns, thus leading to * a graph loop. */ if (pcmk__str_eq(dc_down->task, PCMK_ACTION_DO_SHUTDOWN, pcmk__str_none)) { pcmk__order_after_each(dc_down, shutdown_ops); } // Order any non-DC fencing before any DC fencing or shutdown if (pcmk_is_set(scheduler->flags, pcmk__sched_concurrent_fencing)) { /* With concurrent fencing, order each non-DC fencing action * separately before any DC fencing or shutdown. */ pcmk__order_after_each(dc_down, fencing_ops); } else if (fencing_ops != NULL) { /* Without concurrent fencing, the non-DC fencing actions are * already ordered relative to each other, so we just need to order * the DC fencing after the last action in the chain (which is the * first item in the list). */ order_actions((pcmk_action_t *) fencing_ops->data, dc_down, pcmk__ar_ordered); } } g_list_free(fencing_ops); g_list_free(shutdown_ops); } static void log_resource_details(pcmk_scheduler_t *scheduler) { pcmk__output_t *out = scheduler->priv->out; GList *all = NULL; /* Due to the `crm_mon --node=` feature, out->message() for all the * resource-related messages expects a list of nodes that we are allowed to * output information for. Here, we create a wildcard to match all nodes. */ all = g_list_prepend(all, (gpointer) "*"); - for (GList *item = scheduler->resources; item != NULL; item = item->next) { + for (GList *item = scheduler->priv->resources; + item != NULL; item = item->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) item->data; // Log all resources except inactive orphans if (!pcmk_is_set(rsc->flags, pcmk__rsc_removed) || (rsc->priv->orig_role != pcmk_role_stopped)) { out->message(out, pcmk__map_element_name(rsc->priv->xml), 0UL, rsc, all, all); } } g_list_free(all); } static void log_all_actions(pcmk_scheduler_t *scheduler) { /* This only ever outputs to the log, so ignore whatever output object was * previously set and just log instead. */ pcmk__output_t *prev_out = scheduler->priv->out; pcmk__output_t *out = NULL; if (pcmk__log_output_new(&out) != pcmk_rc_ok) { return; } pe__register_messages(out); pcmk__register_lib_messages(out); pcmk__output_set_log_level(out, LOG_NOTICE); scheduler->priv->out = out; out->begin_list(out, NULL, NULL, "Actions"); pcmk__output_actions(scheduler); out->end_list(out); out->finish(out, CRM_EX_OK, true, NULL); pcmk__output_free(out); scheduler->priv->out = prev_out; } /*! * \internal * \brief Log all required but unrunnable actions at trace level * * \param[in] scheduler Scheduler data */ static void log_unrunnable_actions(const pcmk_scheduler_t *scheduler) { const uint64_t flags = pcmk__action_optional |pcmk__action_runnable |pcmk__action_pseudo; crm_trace("Required but unrunnable actions:"); for (const GList *iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { const pcmk_action_t *action = (const pcmk_action_t *) iter->data; if (!pcmk_any_flags_set(action->flags, flags)) { pcmk__log_action("\t", action, true); } } } /*! * \internal * \brief Unpack the CIB for scheduling * * \param[in,out] cib CIB XML to unpack (may be NULL if already unpacked) * \param[in] flags Scheduler flags to set in addition to defaults * \param[in,out] scheduler Scheduler data */ static void unpack_cib(xmlNode *cib, unsigned long long flags, pcmk_scheduler_t *scheduler) { const char* localhost_save = NULL; if (pcmk_is_set(scheduler->flags, pcmk__sched_have_status)) { crm_trace("Reusing previously calculated cluster status"); pcmk__set_scheduler_flags(scheduler, flags); return; } if (scheduler->localhost) { localhost_save = scheduler->localhost; } CRM_ASSERT(cib != NULL); crm_trace("Calculating cluster status"); /* This will zero the entire struct without freeing anything first, so * callers should never call pcmk__schedule_actions() with a populated data * set unless pcmk__sched_have_status is set (i.e. cluster_status() was * previously called, whether directly or via pcmk__schedule_actions()). */ set_working_set_defaults(scheduler); if (localhost_save) { scheduler->localhost = localhost_save; } pcmk__set_scheduler_flags(scheduler, flags); scheduler->input = cib; cluster_status(scheduler); // Sets pcmk__sched_have_status } /*! * \internal * \brief Run the scheduler for a given CIB * * \param[in,out] cib CIB XML to use as scheduler input * \param[in] flags Scheduler flags to set in addition to defaults * \param[in,out] scheduler Scheduler data */ void pcmk__schedule_actions(xmlNode *cib, unsigned long long flags, pcmk_scheduler_t *scheduler) { unpack_cib(cib, flags, scheduler); pcmk__set_assignment_methods(scheduler); pcmk__apply_node_health(scheduler); pcmk__unpack_constraints(scheduler); if (pcmk_is_set(scheduler->flags, pcmk__sched_validate_only)) { return; } if (!pcmk_is_set(scheduler->flags, pcmk__sched_location_only) && pcmk__is_daemon) { log_resource_details(scheduler); } apply_node_criteria(scheduler); if (pcmk_is_set(scheduler->flags, pcmk__sched_location_only)) { return; } pcmk__create_internal_constraints(scheduler); pcmk__handle_rsc_config_changes(scheduler); assign_resources(scheduler); schedule_resource_actions(scheduler); /* Remote ordering constraints need to happen prior to calculating fencing * because it is one more place we can mark nodes as needing fencing. */ pcmk__order_remote_connection_actions(scheduler); schedule_fencing_and_shutdowns(scheduler); pcmk__apply_orderings(scheduler); log_all_actions(scheduler); pcmk__create_graph(scheduler); if (get_crm_log_level() == LOG_TRACE) { log_unrunnable_actions(scheduler); } } /*! * \internal * \brief Initialize scheduler data * * Make our own copies of the CIB XML and date/time object, if they're not * \c NULL. This way we don't have to take ownership of the objects passed via * the API. * * This function is most useful for public API functions that want the caller * to retain ownership of the CIB object * * \param[in,out] out Output object * \param[in] input The CIB XML to check (if \c NULL, use current CIB) * \param[in] date Date and time to use in the scheduler (if \c NULL, * use current date and time). This can be used for * checking whether a rule is in effect at a certa * date and time. * \param[out] scheduler Where to store initialized scheduler data * * \return Standard Pacemaker return code */ int pcmk__init_scheduler(pcmk__output_t *out, xmlNodePtr input, const crm_time_t *date, pcmk_scheduler_t **scheduler) { // Allows for cleaner syntax than dereferencing the scheduler argument pcmk_scheduler_t *new_scheduler = NULL; new_scheduler = pe_new_working_set(); if (new_scheduler == NULL) { return ENOMEM; } pcmk__set_scheduler_flags(new_scheduler, pcmk__sched_no_counts|pcmk__sched_no_compat); // Populate the scheduler data // Make our own copy of the given input or fetch the CIB and use that if (input != NULL) { new_scheduler->input = pcmk__xml_copy(NULL, input); if (new_scheduler->input == NULL) { out->err(out, "Failed to copy input XML"); pe_free_working_set(new_scheduler); return ENOMEM; } } else { int rc = cib__signon_query(out, NULL, &(new_scheduler->input)); if (rc != pcmk_rc_ok) { pe_free_working_set(new_scheduler); return rc; } } // Make our own copy of the given crm_time_t object; otherwise // cluster_status() populates with the current time if (date != NULL) { // pcmk_copy_time() guarantees non-NULL new_scheduler->priv->now = pcmk_copy_time(date); } // Unpack everything cluster_status(new_scheduler); *scheduler = new_scheduler; return pcmk_rc_ok; } diff --git a/lib/pacemaker/pcmk_simulate.c b/lib/pacemaker/pcmk_simulate.c index 823eeacf48..63c96807a2 100644 --- a/lib/pacemaker/pcmk_simulate.c +++ b/lib/pacemaker/pcmk_simulate.c @@ -1,1013 +1,1013 @@ /* * Copyright 2021-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include "libpacemaker_private.h" static pcmk__output_t *out = NULL; static cib_t *fake_cib = NULL; static GList *fake_resource_list = NULL; static const GList *fake_op_fail_list = NULL; static void set_effective_date(pcmk_scheduler_t *scheduler, bool print_original, const char *use_date); /*! * \internal * \brief Create an action name for use in a dot graph * * \param[in] action Action to create name for * \param[in] verbose If true, add action ID to name * * \return Newly allocated string with action name * \note It is the caller's responsibility to free the result. */ static char * create_action_name(const pcmk_action_t *action, bool verbose) { char *action_name = NULL; const char *prefix = ""; const char *action_host = NULL; const char *history_id = NULL; const char *task = action->task; if (action->node != NULL) { action_host = action->node->priv->name; } else if (!pcmk_is_set(action->flags, pcmk__action_pseudo)) { action_host = ""; } if (pcmk__str_eq(action->task, PCMK_ACTION_CANCEL, pcmk__str_none)) { prefix = "Cancel "; task = action->cancel_task; } if (action->rsc != NULL) { history_id = action->rsc->priv->history_id; } if (history_id != NULL) { char *key = NULL; guint interval_ms = 0; if (pcmk__guint_from_hash(action->meta, PCMK_META_INTERVAL, 0, &interval_ms) != pcmk_rc_ok) { interval_ms = 0; } if (pcmk__strcase_any_of(action->task, PCMK_ACTION_NOTIFY, PCMK_ACTION_NOTIFIED, NULL)) { const char *n_type = g_hash_table_lookup(action->meta, "notify_key_type"); const char *n_task = g_hash_table_lookup(action->meta, "notify_key_operation"); CRM_ASSERT(n_type != NULL); CRM_ASSERT(n_task != NULL); key = pcmk__notify_key(history_id, n_type, n_task); } else { key = pcmk__op_key(history_id, task, interval_ms); } if (action_host != NULL) { action_name = crm_strdup_printf("%s%s %s", prefix, key, action_host); } else { action_name = crm_strdup_printf("%s%s", prefix, key); } free(key); } else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none)) { const char *op = g_hash_table_lookup(action->meta, PCMK__META_STONITH_ACTION); action_name = crm_strdup_printf("%s%s '%s' %s", prefix, action->task, op, action_host); } else if (action->rsc && action_host) { action_name = crm_strdup_printf("%s%s %s", prefix, action->uuid, action_host); } else if (action_host) { action_name = crm_strdup_printf("%s%s %s", prefix, action->task, action_host); } else { action_name = crm_strdup_printf("%s", action->uuid); } if (verbose) { char *with_id = crm_strdup_printf("%s (%d)", action_name, action->id); free(action_name); action_name = with_id; } return action_name; } /*! * \internal * \brief Display the status of a cluster * * \param[in,out] scheduler Scheduler data * \param[in] show_opts How to modify display (as pcmk_show_opt_e flags) * \param[in] section_opts Sections to display (as pcmk_section_e flags) * \param[in] title What to use as list title * \param[in] print_spacer Whether to display a spacer first */ static void print_cluster_status(pcmk_scheduler_t *scheduler, uint32_t show_opts, uint32_t section_opts, const char *title, bool print_spacer) { pcmk__output_t *out = scheduler->priv->out; GList *all = NULL; crm_exit_t stonith_rc = 0; enum pcmk_pacemakerd_state state = pcmk_pacemakerd_state_invalid; section_opts |= pcmk_section_nodes | pcmk_section_resources; show_opts |= pcmk_show_inactive_rscs | pcmk_show_failed_detail; all = g_list_prepend(all, (gpointer) "*"); PCMK__OUTPUT_SPACER_IF(out, print_spacer); out->begin_list(out, NULL, NULL, "%s", title); out->message(out, "cluster-status", scheduler, state, stonith_rc, NULL, pcmk__fence_history_none, section_opts, show_opts, NULL, all, all); out->end_list(out); g_list_free(all); } /*! * \internal * \brief Display a summary of all actions scheduled in a transition * * \param[in,out] scheduler Scheduler data (fully scheduled) * \param[in] print_spacer Whether to display a spacer first */ static void print_transition_summary(pcmk_scheduler_t *scheduler, bool print_spacer) { pcmk__output_t *out = scheduler->priv->out; PCMK__OUTPUT_SPACER_IF(out, print_spacer); out->begin_list(out, NULL, NULL, "Transition Summary"); pcmk__output_actions(scheduler); out->end_list(out); } /*! * \internal * \brief Reset scheduler input, output, date, and flags * * \param[in,out] scheduler Scheduler data * \param[in] input What to set as cluster input * \param[in] out What to set as cluster output object * \param[in] use_date What to set as cluster's current timestamp * \param[in] flags Group of enum pcmk__scheduler_flags to set */ static void reset(pcmk_scheduler_t *scheduler, xmlNodePtr input, pcmk__output_t *out, const char *use_date, unsigned int flags) { scheduler->input = input; scheduler->priv->out = out; set_effective_date(scheduler, true, use_date); if (pcmk_is_set(flags, pcmk_sim_sanitized)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_sanitized); } if (pcmk_is_set(flags, pcmk_sim_show_scores)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_output_scores); } if (pcmk_is_set(flags, pcmk_sim_show_utilization)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_show_utilization); } } /*! * \brief Write out a file in dot(1) format describing the actions that will * be taken by the scheduler in response to an input CIB file. * * \param[in,out] scheduler Scheduler data * \param[in] dot_file The filename to write * \param[in] all_actions Write all actions, even those that are optional * or are on unmanaged resources * \param[in] verbose Add extra information, such as action IDs, to the * output * * \return Standard Pacemaker return code */ static int write_sim_dotfile(pcmk_scheduler_t *scheduler, const char *dot_file, bool all_actions, bool verbose) { GList *iter = NULL; FILE *dot_strm = fopen(dot_file, "w"); if (dot_strm == NULL) { return errno; } fprintf(dot_strm, " digraph \"g\" {\n"); for (iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = (pcmk_action_t *) iter->data; const char *style = "dashed"; const char *font = "black"; const char *color = "black"; char *action_name = create_action_name(action, verbose); if (pcmk_is_set(action->flags, pcmk__action_pseudo)) { font = "orange"; } if (pcmk_is_set(action->flags, pcmk__action_added_to_graph)) { style = PCMK__VALUE_BOLD; color = "green"; } else if ((action->rsc != NULL) && !pcmk_is_set(action->rsc->flags, pcmk__rsc_managed)) { color = "red"; font = "purple"; if (!all_actions) { goto do_not_write; } } else if (pcmk_is_set(action->flags, pcmk__action_optional)) { color = "blue"; if (!all_actions) { goto do_not_write; } } else { color = "red"; CRM_LOG_ASSERT(!pcmk_is_set(action->flags, pcmk__action_runnable)); } pcmk__set_action_flags(action, pcmk__action_added_to_graph); fprintf(dot_strm, "\"%s\" [ style=%s color=\"%s\" fontcolor=\"%s\"]\n", action_name, style, color, font); do_not_write: free(action_name); } for (iter = scheduler->priv->actions; iter != NULL; iter = iter->next) { pcmk_action_t *action = (pcmk_action_t *) iter->data; for (GList *before_iter = action->actions_before; before_iter != NULL; before_iter = before_iter->next) { pcmk__related_action_t *before = before_iter->data; char *before_name = NULL; char *after_name = NULL; const char *style = "dashed"; bool optional = true; if (before->graphed) { optional = false; style = PCMK__VALUE_BOLD; } else if (before->flags == pcmk__ar_none) { continue; } else if (pcmk_is_set(before->action->flags, pcmk__action_added_to_graph) && pcmk_is_set(action->flags, pcmk__action_added_to_graph) && before->flags != pcmk__ar_if_on_same_node_or_target) { optional = false; } if (all_actions || !optional) { before_name = create_action_name(before->action, verbose); after_name = create_action_name(action, verbose); fprintf(dot_strm, "\"%s\" -> \"%s\" [ style = %s]\n", before_name, after_name, style); free(before_name); free(after_name); } } } fprintf(dot_strm, "}\n"); fflush(dot_strm); fclose(dot_strm); return pcmk_rc_ok; } /*! * \brief Profile the configuration updates and scheduler actions in a single * CIB file, printing the profiling timings. * * \note \p scheduler->priv->out must have been set to a valid \p pcmk__output_t * object before this function is called. * * \param[in] xml_file The CIB file to profile * \param[in] repeat Number of times to run * \param[in,out] scheduler Scheduler data * \param[in] use_date The date to set the cluster's time to (may be NULL) */ static void profile_file(const char *xml_file, long long repeat, pcmk_scheduler_t *scheduler, const char *use_date) { pcmk__output_t *out = scheduler->priv->out; xmlNode *cib_object = NULL; clock_t start = 0; clock_t end; unsigned long long scheduler_flags = pcmk__sched_no_compat; CRM_ASSERT(out != NULL); cib_object = pcmk__xml_read(xml_file); start = clock(); if (pcmk_find_cib_element(cib_object, PCMK_XE_STATUS) == NULL) { pcmk__xe_create(cib_object, PCMK_XE_STATUS); } if (pcmk_update_configured_schema(&cib_object, false) != pcmk_rc_ok) { pcmk__xml_free(cib_object); return; } if (!pcmk__validate_xml(cib_object, NULL, NULL, NULL)) { pcmk__xml_free(cib_object); return; } if (pcmk_is_set(scheduler->flags, pcmk__sched_output_scores)) { scheduler_flags |= pcmk__sched_output_scores; } if (pcmk_is_set(scheduler->flags, pcmk__sched_show_utilization)) { scheduler_flags |= pcmk__sched_show_utilization; } for (int i = 0; i < repeat; ++i) { xmlNode *input = cib_object; if (repeat > 1) { input = pcmk__xml_copy(NULL, cib_object); } scheduler->input = input; set_effective_date(scheduler, false, use_date); pcmk__schedule_actions(input, scheduler_flags, scheduler); pe_reset_working_set(scheduler); } end = clock(); out->message(out, "profile", xml_file, start, end); } void pcmk__profile_dir(const char *dir, long long repeat, pcmk_scheduler_t *scheduler, const char *use_date) { pcmk__output_t *out = scheduler->priv->out; struct dirent **namelist; int file_num = scandir(dir, &namelist, 0, alphasort); CRM_ASSERT(out != NULL); if (file_num > 0) { struct stat prop; char buffer[FILENAME_MAX]; out->begin_list(out, NULL, NULL, "Timings"); while (file_num--) { if ('.' == namelist[file_num]->d_name[0]) { free(namelist[file_num]); continue; } else if (!pcmk__ends_with_ext(namelist[file_num]->d_name, ".xml")) { free(namelist[file_num]); continue; } snprintf(buffer, sizeof(buffer), "%s/%s", dir, namelist[file_num]->d_name); if (stat(buffer, &prop) == 0 && S_ISREG(prop.st_mode)) { profile_file(buffer, repeat, scheduler, use_date); } free(namelist[file_num]); } free(namelist); out->end_list(out); } } /*! * \brief Set the date of the cluster, either to the value given by * \p use_date, or to the \c PCMK_XA_EXECUTION_DATE value in the CIB. * * \note \p scheduler->priv->out must have been set to a valid \p pcmk__output_t * object before this function is called. * * \param[in,out] scheduler Scheduler data * \param[in] print_original If \p true, the \c PCMK_XA_EXECUTION_DATE * should also be printed * \param[in] use_date The date to set the cluster's time to * (may be NULL) */ static void set_effective_date(pcmk_scheduler_t *scheduler, bool print_original, const char *use_date) { pcmk__output_t *out = scheduler->priv->out; time_t original_date = 0; CRM_ASSERT(out != NULL); crm_element_value_epoch(scheduler->input, PCMK_XA_EXECUTION_DATE, &original_date); if (use_date) { scheduler->priv->now = crm_time_new(use_date); out->info(out, "Setting effective cluster time: %s", use_date); crm_time_log(LOG_NOTICE, "Pretending 'now' is", scheduler->priv->now, crm_time_log_date | crm_time_log_timeofday); } else if (original_date != 0) { scheduler->priv->now = pcmk__copy_timet(original_date); if (print_original) { char *when = crm_time_as_string(scheduler->priv->now, crm_time_log_date |crm_time_log_timeofday); out->info(out, "Using the original execution date of: %s", when); free(when); } } } /*! * \internal * \brief Simulate successfully executing a pseudo-action in a graph * * \param[in,out] graph Graph to update with pseudo-action result * \param[in,out] action Pseudo-action to simulate executing * * \return Standard Pacemaker return code */ static int simulate_pseudo_action(pcmk__graph_t *graph, pcmk__graph_action_t *action) { const char *node = crm_element_value(action->xml, PCMK__META_ON_NODE); const char *task = crm_element_value(action->xml, PCMK__XA_OPERATION_KEY); pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed); out->message(out, "inject-pseudo-action", node, task); pcmk__update_graph(graph, action); return pcmk_rc_ok; } /*! * \internal * \brief Simulate executing a resource action in a graph * * \param[in,out] graph Graph to update with resource action result * \param[in,out] action Resource action to simulate executing * * \return Standard Pacemaker return code */ static int simulate_resource_action(pcmk__graph_t *graph, pcmk__graph_action_t *action) { int rc; lrmd_event_data_t *op = NULL; int target_outcome = PCMK_OCF_OK; const char *rtype = NULL; const char *rclass = NULL; const char *resource = NULL; const char *rprovider = NULL; const char *resource_config_name = NULL; const char *operation = crm_element_value(action->xml, PCMK_XA_OPERATION); const char *target_rc_s = crm_meta_value(action->params, PCMK__META_OP_TARGET_RC); xmlNode *cib_node = NULL; xmlNode *cib_resource = NULL; xmlNode *action_rsc = pcmk__xe_first_child(action->xml, PCMK_XE_PRIMITIVE, NULL, NULL); char *node = crm_element_value_copy(action->xml, PCMK__META_ON_NODE); char *uuid = NULL; const char *router_node = crm_element_value(action->xml, PCMK__XA_ROUTER_NODE); // Certain actions don't need to be displayed or history entries if (pcmk__str_eq(operation, CRM_OP_REPROBE, pcmk__str_none)) { crm_debug("No history injection for %s op on %s", operation, node); goto done; // Confirm action and update graph } if (action_rsc == NULL) { // Shouldn't be possible crm_log_xml_err(action->xml, "Bad"); free(node); return EPROTO; } /* A resource might be known by different names in the configuration and in * the action (for example, a clone instance). Grab the configuration name * (which is preferred when writing history), and if necessary, the instance * name. */ resource_config_name = crm_element_value(action_rsc, PCMK_XA_ID); if (resource_config_name == NULL) { // Shouldn't be possible crm_log_xml_err(action->xml, "No ID"); free(node); return EPROTO; } resource = resource_config_name; if (pe_find_resource(fake_resource_list, resource) == NULL) { const char *longname = crm_element_value(action_rsc, PCMK__XA_LONG_ID); if ((longname != NULL) && (pe_find_resource(fake_resource_list, longname) != NULL)) { resource = longname; } } // Certain actions need to be displayed but don't need history entries if (pcmk__strcase_any_of(operation, PCMK_ACTION_DELETE, PCMK_ACTION_META_DATA, NULL)) { out->message(out, "inject-rsc-action", resource, operation, node, (guint) 0); goto done; // Confirm action and update graph } rclass = crm_element_value(action_rsc, PCMK_XA_CLASS); rtype = crm_element_value(action_rsc, PCMK_XA_TYPE); rprovider = crm_element_value(action_rsc, PCMK_XA_PROVIDER); pcmk__scan_min_int(target_rc_s, &target_outcome, 0); CRM_ASSERT(fake_cib->cmds->query(fake_cib, NULL, NULL, cib_sync_call) == pcmk_ok); // Ensure the action node is in the CIB uuid = crm_element_value_copy(action->xml, PCMK__META_ON_NODE_UUID); cib_node = pcmk__inject_node(fake_cib, node, ((router_node == NULL)? uuid: node)); free(uuid); CRM_ASSERT(cib_node != NULL); // Add a history entry for the action cib_resource = pcmk__inject_resource_history(out, cib_node, resource, resource_config_name, rclass, rtype, rprovider); if (cib_resource == NULL) { crm_err("Could not simulate action %d history for resource %s", action->id, resource); free(node); pcmk__xml_free(cib_node); return EINVAL; } // Simulate and display an executor event for the action result op = pcmk__event_from_graph_action(cib_resource, action, PCMK_EXEC_DONE, target_outcome, "User-injected result"); out->message(out, "inject-rsc-action", resource, op->op_type, node, op->interval_ms); // Check whether action is in a list of desired simulated failures for (const GList *iter = fake_op_fail_list; iter != NULL; iter = iter->next) { const char *spec = (const char *) iter->data; char *key = NULL; const char *match_name = NULL; // Allow user to specify anonymous clone with or without instance number key = crm_strdup_printf(PCMK__OP_FMT "@%s=", resource, op->op_type, op->interval_ms, node); if (strncasecmp(key, spec, strlen(key)) == 0) { match_name = resource; } free(key); // If not found, try the resource's name in the configuration if ((match_name == NULL) && (strcmp(resource, resource_config_name) != 0)) { key = crm_strdup_printf(PCMK__OP_FMT "@%s=", resource_config_name, op->op_type, op->interval_ms, node); if (strncasecmp(key, spec, strlen(key)) == 0) { match_name = resource_config_name; } free(key); } if (match_name == NULL) { continue; // This failed action entry doesn't match } // ${match_name}_${task}_${interval_in_ms}@${node}=${rc} rc = sscanf(spec, "%*[^=]=%d", (int *) &op->rc); if (rc != 1) { out->err(out, "Invalid failed operation '%s' " "(result code must be integer)", spec); continue; // Keep checking other list entries } out->info(out, "Pretending action %d failed with rc=%d", action->id, op->rc); pcmk__set_graph_action_flags(action, pcmk__graph_action_failed); graph->abort_priority = PCMK_SCORE_INFINITY; pcmk__inject_failcount(out, fake_cib, cib_node, match_name, op->op_type, op->interval_ms, op->rc); break; } pcmk__inject_action_result(cib_resource, op, node, target_outcome); lrmd_free_event(op); rc = fake_cib->cmds->modify(fake_cib, PCMK_XE_STATUS, cib_node, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); done: free(node); pcmk__xml_free(cib_node); pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed); pcmk__update_graph(graph, action); return pcmk_rc_ok; } /*! * \internal * \brief Simulate successfully executing a cluster action * * \param[in,out] graph Graph to update with action result * \param[in,out] action Cluster action to simulate * * \return Standard Pacemaker return code */ static int simulate_cluster_action(pcmk__graph_t *graph, pcmk__graph_action_t *action) { const char *node = crm_element_value(action->xml, PCMK__META_ON_NODE); const char *task = crm_element_value(action->xml, PCMK_XA_OPERATION); xmlNode *rsc = pcmk__xe_first_child(action->xml, PCMK_XE_PRIMITIVE, NULL, NULL); pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed); out->message(out, "inject-cluster-action", node, task, rsc); pcmk__update_graph(graph, action); return pcmk_rc_ok; } /*! * \internal * \brief Simulate successfully executing a fencing action * * \param[in,out] graph Graph to update with action result * \param[in,out] action Fencing action to simulate * * \return Standard Pacemaker return code */ static int simulate_fencing_action(pcmk__graph_t *graph, pcmk__graph_action_t *action) { const char *op = crm_meta_value(action->params, PCMK__META_STONITH_ACTION); char *target = crm_element_value_copy(action->xml, PCMK__META_ON_NODE); out->message(out, "inject-fencing-action", target, op); if (!pcmk__str_eq(op, PCMK_ACTION_ON, pcmk__str_casei)) { int rc = pcmk_ok; GString *xpath = g_string_sized_new(512); // Set node state to offline xmlNode *cib_node = pcmk__inject_node_state_change(fake_cib, target, false); CRM_ASSERT(cib_node != NULL); crm_xml_add(cib_node, PCMK_XA_CRM_DEBUG_ORIGIN, __func__); rc = fake_cib->cmds->replace(fake_cib, PCMK_XE_STATUS, cib_node, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); // Simulate controller clearing node's resource history and attributes pcmk__g_strcat(xpath, "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='", target, "']/" PCMK__XE_LRM, NULL); fake_cib->cmds->remove(fake_cib, (const char *) xpath->str, NULL, cib_xpath|cib_sync_call); g_string_truncate(xpath, 0); pcmk__g_strcat(xpath, "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='", target, "']" "/" PCMK__XE_TRANSIENT_ATTRIBUTES, NULL); fake_cib->cmds->remove(fake_cib, (const char *) xpath->str, NULL, cib_xpath|cib_sync_call); pcmk__xml_free(cib_node); g_string_free(xpath, TRUE); } pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed); pcmk__update_graph(graph, action); free(target); return pcmk_rc_ok; } enum pcmk__graph_status pcmk__simulate_transition(pcmk_scheduler_t *scheduler, cib_t *cib, const GList *op_fail_list) { pcmk__graph_t *transition = NULL; enum pcmk__graph_status graph_rc; pcmk__graph_functions_t simulation_fns = { simulate_pseudo_action, simulate_resource_action, simulate_cluster_action, simulate_fencing_action, }; out = scheduler->priv->out; fake_cib = cib; fake_op_fail_list = op_fail_list; if (!out->is_quiet(out)) { out->begin_list(out, NULL, NULL, "Executing Cluster Transition"); } pcmk__set_graph_functions(&simulation_fns); transition = pcmk__unpack_graph(scheduler->graph, crm_system_name); pcmk__log_graph(LOG_DEBUG, transition); - fake_resource_list = scheduler->resources; + fake_resource_list = scheduler->priv->resources; do { graph_rc = pcmk__execute_graph(transition); } while (graph_rc == pcmk__graph_active); fake_resource_list = NULL; if (graph_rc != pcmk__graph_complete) { out->err(out, "Transition failed: %s", pcmk__graph_status2text(graph_rc)); pcmk__log_graph(LOG_ERR, transition); out->err(out, "An invalid transition was produced"); } pcmk__free_graph(transition); if (!out->is_quiet(out)) { // If not quiet, we'll need the resulting CIB for later display xmlNode *cib_object = NULL; int rc = fake_cib->cmds->query(fake_cib, NULL, &cib_object, cib_sync_call); CRM_ASSERT(rc == pcmk_ok); pe_reset_working_set(scheduler); scheduler->input = cib_object; out->end_list(out); } return graph_rc; } int pcmk__simulate(pcmk_scheduler_t *scheduler, pcmk__output_t *out, const pcmk_injections_t *injections, unsigned int flags, uint32_t section_opts, const char *use_date, const char *input_file, const char *graph_file, const char *dot_file) { int printed = pcmk_rc_no_output; int rc = pcmk_rc_ok; xmlNodePtr input = NULL; cib_t *cib = NULL; rc = cib__signon_query(out, &cib, &input); if (rc != pcmk_rc_ok) { goto simulate_done; } reset(scheduler, input, out, use_date, flags); cluster_status(scheduler); if ((cib->variant == cib_native) && pcmk_is_set(section_opts, pcmk_section_times)) { if (pcmk__our_nodename == NULL) { // Currently used only in the times section pcmk__query_node_name(out, 0, &pcmk__our_nodename, 0); } scheduler->localhost = pcmk__our_nodename; } if (!out->is_quiet(out)) { const bool show_pending = pcmk_is_set(flags, pcmk_sim_show_pending); if (pcmk_is_set(scheduler->flags, pcmk__sched_in_maintenance)) { printed = out->message(out, "maint-mode", scheduler->flags); } if (scheduler->disabled_resources || scheduler->blocked_resources) { PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok); printed = out->info(out, "%d of %d resource instances DISABLED and " "%d BLOCKED from further action due to failure", scheduler->disabled_resources, scheduler->ninstances, scheduler->blocked_resources); } /* Most formatted output headers use caps for each word, but this one * only has the first word capitalized for compatibility with pcs. */ print_cluster_status(scheduler, (show_pending? pcmk_show_pending : 0), section_opts, "Current cluster status", (printed == pcmk_rc_ok)); printed = pcmk_rc_ok; } // If the user requested any injections, handle them if ((injections->node_down != NULL) || (injections->node_fail != NULL) || (injections->node_up != NULL) || (injections->op_inject != NULL) || (injections->ticket_activate != NULL) || (injections->ticket_grant != NULL) || (injections->ticket_revoke != NULL) || (injections->ticket_standby != NULL) || (injections->watchdog != NULL)) { PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok); pcmk__inject_scheduler_input(scheduler, cib, injections); printed = pcmk_rc_ok; rc = cib->cmds->query(cib, NULL, &input, cib_sync_call); if (rc != pcmk_rc_ok) { rc = pcmk_legacy2rc(rc); goto simulate_done; } cleanup_calculations(scheduler); reset(scheduler, input, out, use_date, flags); cluster_status(scheduler); } if (input_file != NULL) { rc = pcmk__xml_write_file(input, input_file, false); if (rc != pcmk_rc_ok) { goto simulate_done; } } if (pcmk_any_flags_set(flags, pcmk_sim_process | pcmk_sim_simulate)) { pcmk__output_t *logger_out = NULL; unsigned long long scheduler_flags = pcmk__sched_no_compat; if (pcmk_is_set(scheduler->flags, pcmk__sched_output_scores)) { scheduler_flags |= pcmk__sched_output_scores; } if (pcmk_is_set(scheduler->flags, pcmk__sched_show_utilization)) { scheduler_flags |= pcmk__sched_show_utilization; } if (pcmk_all_flags_set(scheduler->flags, pcmk__sched_output_scores |pcmk__sched_show_utilization)) { PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok); out->begin_list(out, NULL, NULL, "Assignment Scores and Utilization Information"); printed = pcmk_rc_ok; } else if (pcmk_is_set(scheduler->flags, pcmk__sched_output_scores)) { PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok); out->begin_list(out, NULL, NULL, "Assignment Scores"); printed = pcmk_rc_ok; } else if (pcmk_is_set(scheduler->flags, pcmk__sched_show_utilization)) { PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok); out->begin_list(out, NULL, NULL, "Utilization Information"); printed = pcmk_rc_ok; } else { rc = pcmk__log_output_new(&logger_out); if (rc != pcmk_rc_ok) { goto simulate_done; } pe__register_messages(logger_out); pcmk__register_lib_messages(logger_out); scheduler->priv->out = logger_out; } pcmk__schedule_actions(input, scheduler_flags, scheduler); if (logger_out == NULL) { out->end_list(out); } else { logger_out->finish(logger_out, CRM_EX_OK, true, NULL); pcmk__output_free(logger_out); scheduler->priv->out = out; } input = NULL; /* Don't try and free it twice */ if (graph_file != NULL) { rc = pcmk__xml_write_file(scheduler->graph, graph_file, false); if (rc != pcmk_rc_ok) { rc = pcmk_rc_graph_error; goto simulate_done; } } if (dot_file != NULL) { rc = write_sim_dotfile(scheduler, dot_file, pcmk_is_set(flags, pcmk_sim_all_actions), pcmk_is_set(flags, pcmk_sim_verbose)); if (rc != pcmk_rc_ok) { rc = pcmk_rc_dot_error; goto simulate_done; } } if (!out->is_quiet(out)) { print_transition_summary(scheduler, printed == pcmk_rc_ok); } } rc = pcmk_rc_ok; if (!pcmk_is_set(flags, pcmk_sim_simulate)) { goto simulate_done; } PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok); if (pcmk__simulate_transition(scheduler, cib, injections->op_fail) != pcmk__graph_complete) { rc = pcmk_rc_invalid_transition; } if (out->is_quiet(out)) { goto simulate_done; } set_effective_date(scheduler, true, use_date); if (pcmk_is_set(flags, pcmk_sim_show_scores)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_output_scores); } if (pcmk_is_set(flags, pcmk_sim_show_utilization)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_show_utilization); } cluster_status(scheduler); print_cluster_status(scheduler, 0, section_opts, "Revised Cluster Status", true); simulate_done: cib__clean_up_connection(&cib); return rc; } int pcmk_simulate(xmlNodePtr *xml, pcmk_scheduler_t *scheduler, const pcmk_injections_t *injections, unsigned int flags, unsigned int section_opts, const char *use_date, const char *input_file, const char *graph_file, const char *dot_file) { pcmk__output_t *out = NULL; int rc = pcmk_rc_ok; rc = pcmk__xml_output_new(&out, xml); if (rc != pcmk_rc_ok) { return rc; } pe__register_messages(out); pcmk__register_lib_messages(out); rc = pcmk__simulate(scheduler, out, injections, flags, section_opts, use_date, input_file, graph_file, dot_file); pcmk__xml_output_finish(out, pcmk_rc2exitc(rc), xml); return rc; } diff --git a/lib/pengine/bundle.c b/lib/pengine/bundle.c index bb021cccd3..985a5a652e 100644 --- a/lib/pengine/bundle.c +++ b/lib/pengine/bundle.c @@ -1,2147 +1,2146 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include enum pe__bundle_mount_flags { pe__bundle_mount_none = 0x00, // mount instance-specific subdirectory rather than source directly pe__bundle_mount_subdir = 0x01 }; typedef struct { char *source; char *target; char *options; uint32_t flags; // bitmask of pe__bundle_mount_flags } pe__bundle_mount_t; typedef struct { char *source; char *target; } pe__bundle_port_t; enum pe__container_agent { PE__CONTAINER_AGENT_UNKNOWN, PE__CONTAINER_AGENT_DOCKER, PE__CONTAINER_AGENT_RKT, PE__CONTAINER_AGENT_PODMAN, }; #define PE__CONTAINER_AGENT_UNKNOWN_S "unknown" #define PE__CONTAINER_AGENT_DOCKER_S "docker" #define PE__CONTAINER_AGENT_RKT_S "rkt" #define PE__CONTAINER_AGENT_PODMAN_S "podman" typedef struct pe__bundle_variant_data_s { int promoted_max; int nreplicas; int nreplicas_per_host; char *prefix; char *image; const char *ip_last; char *host_network; char *host_netmask; char *control_port; char *container_network; char *ip_range_start; gboolean add_host; gchar *container_host_options; char *container_command; char *launcher_options; const char *attribute_target; pcmk_resource_t *child; GList *replicas; // pcmk__bundle_replica_t * GList *ports; // pe__bundle_port_t * GList *mounts; // pe__bundle_mount_t * enum pe__container_agent agent_type; } pe__bundle_variant_data_t; #define get_bundle_variant_data(data, rsc) do { \ CRM_ASSERT(pcmk__is_bundle(rsc)); \ data = rsc->priv->variant_opaque; \ } while (0) /*! * \internal * \brief Get maximum number of bundle replicas allowed to run * * \param[in] rsc Bundle or bundled resource to check * * \return Maximum replicas for bundle corresponding to \p rsc */ int pe__bundle_max(const pcmk_resource_t *rsc) { const pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, pe__const_top_resource(rsc, true)); return bundle_data->nreplicas; } /*! * \internal * \brief Get the resource inside a bundle * * \param[in] bundle Bundle to check * * \return Resource inside \p bundle if any, otherwise NULL */ pcmk_resource_t * pe__bundled_resource(const pcmk_resource_t *rsc) { const pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, pe__const_top_resource(rsc, true)); return bundle_data->child; } /*! * \internal * \brief Get containerized resource corresponding to a given bundle container * * \param[in] instance Collective instance that might be a bundle container * * \return Bundled resource instance inside \p instance if it is a bundle * container instance, otherwise NULL */ const pcmk_resource_t * pe__get_rsc_in_container(const pcmk_resource_t *instance) { const pe__bundle_variant_data_t *data = NULL; const pcmk_resource_t *top = pe__const_top_resource(instance, true); if (!pcmk__is_bundle(top)) { return NULL; } get_bundle_variant_data(data, top); for (const GList *iter = data->replicas; iter != NULL; iter = iter->next) { const pcmk__bundle_replica_t *replica = iter->data; if (instance == replica->container) { return replica->child; } } return NULL; } /*! * \internal * \brief Check whether a given node is created by a bundle * * \param[in] bundle Bundle resource to check * \param[in] node Node to check * * \return true if \p node is an instance of \p bundle, otherwise false */ bool pe__node_is_bundle_instance(const pcmk_resource_t *bundle, const pcmk_node_t *node) { pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, bundle); for (GList *iter = bundle_data->replicas; iter != NULL; iter = iter->next) { pcmk__bundle_replica_t *replica = iter->data; if (pcmk__same_node(node, replica->node)) { return true; } } return false; } /*! * \internal * \brief Get the container of a bundle's first replica * * \param[in] bundle Bundle resource to get container for * * \return Container resource from first replica of \p bundle if any, * otherwise NULL */ pcmk_resource_t * pe__first_container(const pcmk_resource_t *bundle) { const pe__bundle_variant_data_t *bundle_data = NULL; const pcmk__bundle_replica_t *replica = NULL; get_bundle_variant_data(bundle_data, bundle); if (bundle_data->replicas == NULL) { return NULL; } replica = bundle_data->replicas->data; return replica->container; } /*! * \internal * \brief Iterate over bundle replicas * * \param[in,out] bundle Bundle to iterate over * \param[in] fn Function to call for each replica (its return value * indicates whether to continue iterating) * \param[in,out] user_data Pointer to pass to \p fn */ void pe__foreach_bundle_replica(pcmk_resource_t *bundle, bool (*fn)(pcmk__bundle_replica_t *, void *), void *user_data) { const pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, bundle); for (GList *iter = bundle_data->replicas; iter != NULL; iter = iter->next) { if (!fn((pcmk__bundle_replica_t *) iter->data, user_data)) { break; } } } /*! * \internal * \brief Iterate over const bundle replicas * * \param[in] bundle Bundle to iterate over * \param[in] fn Function to call for each replica (its return value * indicates whether to continue iterating) * \param[in,out] user_data Pointer to pass to \p fn */ void pe__foreach_const_bundle_replica(const pcmk_resource_t *bundle, bool (*fn)(const pcmk__bundle_replica_t *, void *), void *user_data) { const pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, bundle); for (const GList *iter = bundle_data->replicas; iter != NULL; iter = iter->next) { if (!fn((const pcmk__bundle_replica_t *) iter->data, user_data)) { break; } } } static char * next_ip(const char *last_ip) { unsigned int oct1 = 0; unsigned int oct2 = 0; unsigned int oct3 = 0; unsigned int oct4 = 0; int rc = sscanf(last_ip, "%u.%u.%u.%u", &oct1, &oct2, &oct3, &oct4); if (rc != 4) { /*@ TODO check for IPv6 */ return NULL; } else if (oct3 > 253) { return NULL; } else if (oct4 > 253) { ++oct3; oct4 = 1; } else { ++oct4; } return crm_strdup_printf("%u.%u.%u.%u", oct1, oct2, oct3, oct4); } static void allocate_ip(pe__bundle_variant_data_t *data, pcmk__bundle_replica_t *replica, GString *buffer) { if(data->ip_range_start == NULL) { return; } else if(data->ip_last) { replica->ipaddr = next_ip(data->ip_last); } else { replica->ipaddr = strdup(data->ip_range_start); } data->ip_last = replica->ipaddr; switch (data->agent_type) { case PE__CONTAINER_AGENT_DOCKER: case PE__CONTAINER_AGENT_PODMAN: if (data->add_host) { g_string_append_printf(buffer, " --add-host=%s-%d:%s", data->prefix, replica->offset, replica->ipaddr); } else { g_string_append_printf(buffer, " --hosts-entry=%s=%s-%d", replica->ipaddr, data->prefix, replica->offset); } break; case PE__CONTAINER_AGENT_RKT: g_string_append_printf(buffer, " --hosts-entry=%s=%s-%d", replica->ipaddr, data->prefix, replica->offset); break; default: // PE__CONTAINER_AGENT_UNKNOWN break; } } static xmlNode * create_resource(const char *name, const char *provider, const char *kind) { xmlNode *rsc = pcmk__xe_create(NULL, PCMK_XE_PRIMITIVE); crm_xml_add(rsc, PCMK_XA_ID, name); crm_xml_add(rsc, PCMK_XA_CLASS, PCMK_RESOURCE_CLASS_OCF); crm_xml_add(rsc, PCMK_XA_PROVIDER, provider); crm_xml_add(rsc, PCMK_XA_TYPE, kind); return rsc; } /*! * \internal * \brief Check whether cluster can manage resource inside container * * \param[in,out] data Container variant data * * \return TRUE if networking configuration is acceptable, FALSE otherwise * * \note The resource is manageable if an IP range or control port has been * specified. If a control port is used without an IP range, replicas per * host must be 1. */ static bool valid_network(pe__bundle_variant_data_t *data) { if(data->ip_range_start) { return TRUE; } if(data->control_port) { if(data->nreplicas_per_host > 1) { pcmk__config_err("Specifying the '" PCMK_XA_CONTROL_PORT "' for %s " "requires '" PCMK_XA_REPLICAS_PER_HOST "=1'", data->prefix); data->nreplicas_per_host = 1; // @TODO to be sure: // pcmk__clear_rsc_flags(rsc, pcmk__rsc_unique); } return TRUE; } return FALSE; } static int create_ip_resource(pcmk_resource_t *parent, pe__bundle_variant_data_t *data, pcmk__bundle_replica_t *replica) { if(data->ip_range_start) { char *id = NULL; xmlNode *xml_ip = NULL; xmlNode *xml_obj = NULL; id = crm_strdup_printf("%s-ip-%s", data->prefix, replica->ipaddr); pcmk__xml_sanitize_id(id); xml_ip = create_resource(id, "heartbeat", "IPaddr2"); free(id); xml_obj = pcmk__xe_create(xml_ip, PCMK_XE_INSTANCE_ATTRIBUTES); pcmk__xe_set_id(xml_obj, "%s-attributes-%d", data->prefix, replica->offset); crm_create_nvpair_xml(xml_obj, NULL, "ip", replica->ipaddr); if(data->host_network) { crm_create_nvpair_xml(xml_obj, NULL, "nic", data->host_network); } if(data->host_netmask) { crm_create_nvpair_xml(xml_obj, NULL, "cidr_netmask", data->host_netmask); } else { crm_create_nvpair_xml(xml_obj, NULL, "cidr_netmask", "32"); } xml_obj = pcmk__xe_create(xml_ip, PCMK_XE_OPERATIONS); crm_create_op_xml(xml_obj, pcmk__xe_id(xml_ip), PCMK_ACTION_MONITOR, "60s", NULL); // TODO: Other ops? Timeouts and intervals from underlying resource? if (pe__unpack_resource(xml_ip, &replica->ip, parent, parent->priv->scheduler) != pcmk_rc_ok) { return pcmk_rc_unpack_error; } parent->priv->children = g_list_append(parent->priv->children, replica->ip); } return pcmk_rc_ok; } static const char* container_agent_str(enum pe__container_agent t) { switch (t) { case PE__CONTAINER_AGENT_DOCKER: return PE__CONTAINER_AGENT_DOCKER_S; case PE__CONTAINER_AGENT_RKT: return PE__CONTAINER_AGENT_RKT_S; case PE__CONTAINER_AGENT_PODMAN: return PE__CONTAINER_AGENT_PODMAN_S; default: // PE__CONTAINER_AGENT_UNKNOWN break; } return PE__CONTAINER_AGENT_UNKNOWN_S; } static int create_container_resource(pcmk_resource_t *parent, const pe__bundle_variant_data_t *data, pcmk__bundle_replica_t *replica) { char *id = NULL; xmlNode *xml_container = NULL; xmlNode *xml_obj = NULL; // Agent-specific const char *hostname_opt = NULL; const char *env_opt = NULL; const char *agent_str = NULL; int volid = 0; // rkt-only GString *buffer = NULL; GString *dbuffer = NULL; // Where syntax differences are drop-in replacements, set them now switch (data->agent_type) { case PE__CONTAINER_AGENT_DOCKER: case PE__CONTAINER_AGENT_PODMAN: hostname_opt = "-h "; env_opt = "-e "; break; case PE__CONTAINER_AGENT_RKT: hostname_opt = "--hostname="; env_opt = "--environment="; break; default: // PE__CONTAINER_AGENT_UNKNOWN return pcmk_rc_unpack_error; } agent_str = container_agent_str(data->agent_type); buffer = g_string_sized_new(4096); id = crm_strdup_printf("%s-%s-%d", data->prefix, agent_str, replica->offset); pcmk__xml_sanitize_id(id); xml_container = create_resource(id, "heartbeat", agent_str); free(id); xml_obj = pcmk__xe_create(xml_container, PCMK_XE_INSTANCE_ATTRIBUTES); pcmk__xe_set_id(xml_obj, "%s-attributes-%d", data->prefix, replica->offset); crm_create_nvpair_xml(xml_obj, NULL, "image", data->image); crm_create_nvpair_xml(xml_obj, NULL, "allow_pull", PCMK_VALUE_TRUE); crm_create_nvpair_xml(xml_obj, NULL, "force_kill", PCMK_VALUE_FALSE); crm_create_nvpair_xml(xml_obj, NULL, "reuse", PCMK_VALUE_FALSE); if (data->agent_type == PE__CONTAINER_AGENT_DOCKER) { g_string_append(buffer, " --restart=no"); } /* Set a container hostname only if we have an IP to map it to. The user can * set -h or --uts=host themselves if they want a nicer name for logs, but * this makes applications happy who need their hostname to match the IP * they bind to. */ if (data->ip_range_start != NULL) { g_string_append_printf(buffer, " %s%s-%d", hostname_opt, data->prefix, replica->offset); } pcmk__g_strcat(buffer, " ", env_opt, "PCMK_stderr=1", NULL); if (data->container_network != NULL) { pcmk__g_strcat(buffer, " --net=", data->container_network, NULL); } if (data->control_port != NULL) { pcmk__g_strcat(buffer, " ", env_opt, "PCMK_" PCMK__ENV_REMOTE_PORT "=", data->control_port, NULL); } else { g_string_append_printf(buffer, " %sPCMK_" PCMK__ENV_REMOTE_PORT "=%d", env_opt, DEFAULT_REMOTE_PORT); } for (GList *iter = data->mounts; iter != NULL; iter = iter->next) { pe__bundle_mount_t *mount = (pe__bundle_mount_t *) iter->data; char *source = NULL; if (pcmk_is_set(mount->flags, pe__bundle_mount_subdir)) { source = crm_strdup_printf("%s/%s-%d", mount->source, data->prefix, replica->offset); pcmk__add_separated_word(&dbuffer, 1024, source, ","); } switch (data->agent_type) { case PE__CONTAINER_AGENT_DOCKER: case PE__CONTAINER_AGENT_PODMAN: pcmk__g_strcat(buffer, " -v ", pcmk__s(source, mount->source), ":", mount->target, NULL); if (mount->options != NULL) { pcmk__g_strcat(buffer, ":", mount->options, NULL); } break; case PE__CONTAINER_AGENT_RKT: g_string_append_printf(buffer, " --volume vol%d,kind=host," "source=%s%s%s " "--mount volume=vol%d,target=%s", volid, pcmk__s(source, mount->source), (mount->options != NULL)? "," : "", pcmk__s(mount->options, ""), volid, mount->target); volid++; break; default: break; } free(source); } for (GList *iter = data->ports; iter != NULL; iter = iter->next) { pe__bundle_port_t *port = (pe__bundle_port_t *) iter->data; switch (data->agent_type) { case PE__CONTAINER_AGENT_DOCKER: case PE__CONTAINER_AGENT_PODMAN: if (replica->ipaddr != NULL) { pcmk__g_strcat(buffer, " -p ", replica->ipaddr, ":", port->source, ":", port->target, NULL); } else if (!pcmk__str_eq(data->container_network, PCMK_VALUE_HOST, pcmk__str_none)) { // No need to do port mapping if net == host pcmk__g_strcat(buffer, " -p ", port->source, ":", port->target, NULL); } break; case PE__CONTAINER_AGENT_RKT: if (replica->ipaddr != NULL) { pcmk__g_strcat(buffer, " --port=", port->target, ":", replica->ipaddr, ":", port->source, NULL); } else { pcmk__g_strcat(buffer, " --port=", port->target, ":", port->source, NULL); } break; default: break; } } /* @COMPAT: We should use pcmk__add_word() here, but we can't yet, because * it would cause restarts during rolling upgrades. * * In a previous version of the container resource creation logic, if * data->launcher_options is not NULL, we append * (" %s", data->launcher_options) even if data->launcher_options is an * empty string. Likewise for data->container_host_options. Using * * pcmk__add_word(buffer, 0, data->launcher_options) * * removes that extra trailing space, causing a resource definition change. */ if (data->launcher_options != NULL) { pcmk__g_strcat(buffer, " ", data->launcher_options, NULL); } if (data->container_host_options != NULL) { pcmk__g_strcat(buffer, " ", data->container_host_options, NULL); } crm_create_nvpair_xml(xml_obj, NULL, "run_opts", (const char *) buffer->str); g_string_free(buffer, TRUE); crm_create_nvpair_xml(xml_obj, NULL, "mount_points", (dbuffer != NULL)? (const char *) dbuffer->str : ""); if (dbuffer != NULL) { g_string_free(dbuffer, TRUE); } if (replica->child != NULL) { if (data->container_command != NULL) { crm_create_nvpair_xml(xml_obj, NULL, "run_cmd", data->container_command); } else { crm_create_nvpair_xml(xml_obj, NULL, "run_cmd", SBIN_DIR "/pacemaker-remoted"); } /* TODO: Allow users to specify their own? * * We just want to know if the container is alive; we'll monitor the * child independently. */ crm_create_nvpair_xml(xml_obj, NULL, "monitor_cmd", "/bin/true"); #if 0 /* @TODO Consider supporting the use case where we can start and stop * resources, but not proxy local commands (such as setting node * attributes), by running the local executor in stand-alone mode. * However, this would probably be better done via ACLs as with other * Pacemaker Remote nodes. */ } else if ((child != NULL) && data->untrusted) { crm_create_nvpair_xml(xml_obj, NULL, "run_cmd", CRM_DAEMON_DIR "/pacemaker-execd"); crm_create_nvpair_xml(xml_obj, NULL, "monitor_cmd", CRM_DAEMON_DIR "/pacemaker/cts-exec-helper -c poke"); #endif } else { if (data->container_command != NULL) { crm_create_nvpair_xml(xml_obj, NULL, "run_cmd", data->container_command); } /* TODO: Allow users to specify their own? * * We don't know what's in the container, so we just want to know if it * is alive. */ crm_create_nvpair_xml(xml_obj, NULL, "monitor_cmd", "/bin/true"); } xml_obj = pcmk__xe_create(xml_container, PCMK_XE_OPERATIONS); crm_create_op_xml(xml_obj, pcmk__xe_id(xml_container), PCMK_ACTION_MONITOR, "60s", NULL); // TODO: Other ops? Timeouts and intervals from underlying resource? if (pe__unpack_resource(xml_container, &replica->container, parent, parent->priv->scheduler) != pcmk_rc_ok) { return pcmk_rc_unpack_error; } pcmk__set_rsc_flags(replica->container, pcmk__rsc_replica_container); parent->priv->children = g_list_append(parent->priv->children, replica->container); return pcmk_rc_ok; } /*! * \brief Ban a node from a resource's (and its children's) allowed nodes list * * \param[in,out] rsc Resource to modify * \param[in] uname Name of node to ban */ static void disallow_node(pcmk_resource_t *rsc, const char *uname) { gpointer match = g_hash_table_lookup(rsc->priv->allowed_nodes, uname); if (match) { ((pcmk_node_t *) match)->assign->score = -PCMK_SCORE_INFINITY; ((pcmk_node_t *) match)->assign->probe_mode = pcmk__probe_never; } g_list_foreach(rsc->priv->children, (GFunc) disallow_node, (gpointer) uname); } static int create_remote_resource(pcmk_resource_t *parent, pe__bundle_variant_data_t *data, pcmk__bundle_replica_t *replica) { if (replica->child && valid_network(data)) { GHashTableIter gIter; pcmk_node_t *node = NULL; xmlNode *xml_remote = NULL; char *id = crm_strdup_printf("%s-%d", data->prefix, replica->offset); char *port_s = NULL; const char *uname = NULL; const char *connect_name = NULL; + pcmk_scheduler_t *scheduler = parent->priv->scheduler; - if (pe_find_resource(parent->priv->scheduler->resources, - id) != NULL) { + if (pe_find_resource(scheduler->priv->resources, id) != NULL) { free(id); // The biggest hammer we have id = crm_strdup_printf("pcmk-internal-%s-remote-%d", replica->child->id, replica->offset); //@TODO return error instead of asserting? - CRM_ASSERT(pe_find_resource(parent->priv->scheduler->resources, + CRM_ASSERT(pe_find_resource(scheduler->priv->resources, id) == NULL); } /* REMOTE_CONTAINER_HACK: Using "#uname" as the server name when the * connection does not have its own IP is a magic string that we use to * support nested remotes (i.e. a bundle running on a remote node). */ connect_name = (replica->ipaddr? replica->ipaddr : "#uname"); if (data->control_port == NULL) { port_s = pcmk__itoa(DEFAULT_REMOTE_PORT); } /* This sets replica->container as replica->remote's container, which is * similar to what happens with guest nodes. This is how the scheduler * knows that the bundle node is fenced by recovering the container, and * that remote should be ordered relative to the container. */ xml_remote = pe_create_remote_xml(NULL, id, replica->container->id, NULL, NULL, NULL, connect_name, (data->control_port? data->control_port : port_s)); free(port_s); /* Abandon our created ID, and pull the copy from the XML, because we * need something that will get freed during scheduler data cleanup to * use as the node ID and uname. */ free(id); id = NULL; uname = pcmk__xe_id(xml_remote); /* Ensure a node has been created for the guest (it may have already * been, if it has a permanent node attribute), and ensure its weight is * -INFINITY so no other resources can run on it. */ - node = pcmk_find_node(parent->priv->scheduler, uname); + node = pcmk_find_node(scheduler, uname); if (node == NULL) { node = pe_create_node(uname, uname, PCMK_VALUE_REMOTE, - PCMK_VALUE_MINUS_INFINITY, - parent->priv->scheduler); + PCMK_VALUE_MINUS_INFINITY, scheduler); } else { node->assign->score = -PCMK_SCORE_INFINITY; } node->assign->probe_mode = pcmk__probe_never; /* unpack_remote_nodes() ensures that each remote node and guest node * has a pcmk_node_t entry. Ideally, it would do the same for bundle * nodes. Unfortunately, a bundle has to be mostly unpacked before it's * obvious what nodes will be needed, so we do it just above. * * Worse, that means that the node may have been utilized while * unpacking other resources, without our weight correction. The most * likely place for this to happen is when pe__unpack_resource() calls * resource_location() to set a default score in symmetric clusters. * This adds a node *copy* to each resource's allowed nodes, and these * copies will have the wrong weight. * * As a hacky workaround, fix those copies here. * * @TODO Possible alternative: ensure bundles are unpacked before other * resources, so the weight is correct before any copies are made. */ - g_list_foreach(parent->priv->scheduler->resources, + g_list_foreach(scheduler->priv->resources, (GFunc) disallow_node, (gpointer) uname); replica->node = pe__copy_node(node); replica->node->assign->score = 500; replica->node->assign->probe_mode = pcmk__probe_exclusive; /* Ensure the node shows up as allowed and with the correct discovery set */ if (replica->child->priv->allowed_nodes != NULL) { g_hash_table_destroy(replica->child->priv->allowed_nodes); } replica->child->priv->allowed_nodes = pcmk__strkey_table(NULL, free); g_hash_table_insert(replica->child->priv->allowed_nodes, (gpointer) replica->node->priv->id, pe__copy_node(replica->node)); { const pcmk_resource_t *parent = replica->child->priv->parent; pcmk_node_t *copy = pe__copy_node(replica->node); copy->assign->score = -PCMK_SCORE_INFINITY; g_hash_table_insert(parent->priv->allowed_nodes, (gpointer) replica->node->priv->id, copy); } if (pe__unpack_resource(xml_remote, &replica->remote, parent, - parent->priv->scheduler) != pcmk_rc_ok) { + scheduler) != pcmk_rc_ok) { return pcmk_rc_unpack_error; } g_hash_table_iter_init(&gIter, replica->remote->priv->allowed_nodes); while (g_hash_table_iter_next(&gIter, NULL, (void **)&node)) { if (pcmk__is_pacemaker_remote_node(node)) { /* Remote resources can only run on 'normal' cluster node */ node->assign->score = -PCMK_SCORE_INFINITY; } } replica->node->priv->remote = replica->remote; // Ensure pcmk__is_guest_or_bundle_node() functions correctly replica->remote->priv->launcher = replica->container; /* A bundle's #kind is closer to "container" (guest node) than the * "remote" set by pe_create_node(). */ pcmk__insert_dup(replica->node->priv->attrs, CRM_ATTR_KIND, "container"); /* One effect of this is that unpack_launcher() will add * replica->remote to replica->container's launched resources, which * will make pe__resource_contains_guest_node() true for * replica->container. * * replica->child does NOT get added to replica->container's launched * resources. The only noticeable effect if it did would be for its * fail count to be taken into account when checking * replica->container's migration threshold. */ parent->priv->children = g_list_append(parent->priv->children, replica->remote); } return pcmk_rc_ok; } static int create_replica_resources(pcmk_resource_t *parent, pe__bundle_variant_data_t *data, pcmk__bundle_replica_t *replica) { int rc = pcmk_rc_ok; rc = create_container_resource(parent, data, replica); if (rc != pcmk_rc_ok) { return rc; } rc = create_ip_resource(parent, data, replica); if (rc != pcmk_rc_ok) { return rc; } rc = create_remote_resource(parent, data, replica); if (rc != pcmk_rc_ok) { return rc; } if ((replica->child != NULL) && (replica->ipaddr != NULL)) { pcmk__insert_meta(replica->child->priv, "external-ip", replica->ipaddr); } if (replica->remote != NULL) { /* * Allow the remote connection resource to be allocated to a * different node than the one on which the container is active. * * This makes it possible to have Pacemaker Remote nodes running * containers with pacemaker-remoted inside in order to start * services inside those containers. */ pcmk__set_rsc_flags(replica->remote, pcmk__rsc_remote_nesting_allowed); } return rc; } static void mount_add(pe__bundle_variant_data_t *bundle_data, const char *source, const char *target, const char *options, uint32_t flags) { pe__bundle_mount_t *mount = pcmk__assert_alloc(1, sizeof(pe__bundle_mount_t)); mount->source = pcmk__str_copy(source); mount->target = pcmk__str_copy(target); mount->options = pcmk__str_copy(options); mount->flags = flags; bundle_data->mounts = g_list_append(bundle_data->mounts, mount); } static void mount_free(pe__bundle_mount_t *mount) { free(mount->source); free(mount->target); free(mount->options); free(mount); } static void port_free(pe__bundle_port_t *port) { free(port->source); free(port->target); free(port); } static pcmk__bundle_replica_t * replica_for_remote(pcmk_resource_t *remote) { pcmk_resource_t *top = remote; pe__bundle_variant_data_t *bundle_data = NULL; if (top == NULL) { return NULL; } while (top->priv->parent != NULL) { top = top->priv->parent; } get_bundle_variant_data(bundle_data, top); for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; if (replica->remote == remote) { return replica; } } CRM_LOG_ASSERT(FALSE); return NULL; } bool pe__bundle_needs_remote_name(pcmk_resource_t *rsc) { const char *value; GHashTable *params = NULL; if (rsc == NULL) { return false; } // Use NULL node since pcmk__bundle_expand() uses that to set value params = pe_rsc_params(rsc, NULL, rsc->priv->scheduler); value = g_hash_table_lookup(params, PCMK_REMOTE_RA_ADDR); return pcmk__str_eq(value, "#uname", pcmk__str_casei) && xml_contains_remote_node(rsc->priv->xml); } const char * pe__add_bundle_remote_name(pcmk_resource_t *rsc, xmlNode *xml, const char *field) { // REMOTE_CONTAINER_HACK: Allow remote nodes that start containers with pacemaker remote inside pcmk_node_t *node = NULL; pcmk__bundle_replica_t *replica = NULL; if (!pe__bundle_needs_remote_name(rsc)) { return NULL; } replica = replica_for_remote(rsc); if (replica == NULL) { return NULL; } node = replica->container->priv->assigned_node; if (node == NULL) { /* If it won't be running anywhere after the * transition, go with where it's running now. */ node = pcmk__current_node(replica->container); } if(node == NULL) { crm_trace("Cannot determine address for bundle connection %s", rsc->id); return NULL; } crm_trace("Setting address for bundle connection %s to bundle host %s", rsc->id, pcmk__node_name(node)); if(xml != NULL && field != NULL) { crm_xml_add(xml, field, node->priv->name); } return node->priv->name; } #define pe__set_bundle_mount_flags(mount_xml, flags, flags_to_set) do { \ flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE, \ "Bundle mount", pcmk__xe_id(mount_xml), \ flags, (flags_to_set), #flags_to_set); \ } while (0) gboolean pe__unpack_bundle(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler) { const char *value = NULL; xmlNode *xml_obj = NULL; const xmlNode *xml_child = NULL; xmlNode *xml_resource = NULL; pe__bundle_variant_data_t *bundle_data = NULL; bool need_log_mount = TRUE; CRM_ASSERT(rsc != NULL); pcmk__rsc_trace(rsc, "Processing resource %s...", rsc->id); bundle_data = pcmk__assert_alloc(1, sizeof(pe__bundle_variant_data_t)); rsc->priv->variant_opaque = bundle_data; bundle_data->prefix = strdup(rsc->id); xml_obj = pcmk__xe_first_child(rsc->priv->xml, PCMK_XE_DOCKER, NULL, NULL); if (xml_obj != NULL) { bundle_data->agent_type = PE__CONTAINER_AGENT_DOCKER; } else { xml_obj = pcmk__xe_first_child(rsc->priv->xml, PCMK__XE_RKT, NULL, NULL); if (xml_obj != NULL) { pcmk__warn_once(pcmk__wo_rkt, "Support for " PCMK__XE_RKT " in bundles " "(such as %s) is deprecated and will be " "removed in a future release", rsc->id); bundle_data->agent_type = PE__CONTAINER_AGENT_RKT; } else { xml_obj = pcmk__xe_first_child(rsc->priv->xml, PCMK_XE_PODMAN, NULL, NULL); if (xml_obj != NULL) { bundle_data->agent_type = PE__CONTAINER_AGENT_PODMAN; } else { return FALSE; } } } // Use 0 for default, minimum, and invalid PCMK_XA_PROMOTED_MAX value = crm_element_value(xml_obj, PCMK_XA_PROMOTED_MAX); if (value == NULL) { // @COMPAT deprecated since 2.0.0 value = crm_element_value(xml_obj, PCMK__XA_PROMOTED_MAX_LEGACY); if (value != NULL) { pcmk__warn_once(pcmk__wo_bundle_master, "Support for the " PCMK__XA_PROMOTED_MAX_LEGACY " attribute (such as in %s) is deprecated and " "will be removed in a future release. Use " PCMK_XA_PROMOTED_MAX " instead.", rsc->id); } } pcmk__scan_min_int(value, &bundle_data->promoted_max, 0); /* Default replicas to PCMK_XA_PROMOTED_MAX if it was specified and 1 * otherwise */ value = crm_element_value(xml_obj, PCMK_XA_REPLICAS); if ((value == NULL) && (bundle_data->promoted_max > 0)) { bundle_data->nreplicas = bundle_data->promoted_max; } else { pcmk__scan_min_int(value, &bundle_data->nreplicas, 1); } /* * Communication between containers on the same host via the * floating IPs only works if the container is started with: * --userland-proxy=false --ip-masq=false */ value = crm_element_value(xml_obj, PCMK_XA_REPLICAS_PER_HOST); pcmk__scan_min_int(value, &bundle_data->nreplicas_per_host, 1); if (bundle_data->nreplicas_per_host == 1) { pcmk__clear_rsc_flags(rsc, pcmk__rsc_unique); } bundle_data->container_command = crm_element_value_copy(xml_obj, PCMK_XA_RUN_COMMAND); bundle_data->launcher_options = crm_element_value_copy(xml_obj, PCMK_XA_OPTIONS); bundle_data->image = crm_element_value_copy(xml_obj, PCMK_XA_IMAGE); bundle_data->container_network = crm_element_value_copy(xml_obj, PCMK_XA_NETWORK); xml_obj = pcmk__xe_first_child(rsc->priv->xml, PCMK_XE_NETWORK, NULL, NULL); if(xml_obj) { bundle_data->ip_range_start = crm_element_value_copy(xml_obj, PCMK_XA_IP_RANGE_START); bundle_data->host_netmask = crm_element_value_copy(xml_obj, PCMK_XA_HOST_NETMASK); bundle_data->host_network = crm_element_value_copy(xml_obj, PCMK_XA_HOST_INTERFACE); bundle_data->control_port = crm_element_value_copy(xml_obj, PCMK_XA_CONTROL_PORT); value = crm_element_value(xml_obj, PCMK_XA_ADD_HOST); if (crm_str_to_boolean(value, &bundle_data->add_host) != 1) { bundle_data->add_host = TRUE; } for (xml_child = pcmk__xe_first_child(xml_obj, PCMK_XE_PORT_MAPPING, NULL, NULL); xml_child != NULL; xml_child = pcmk__xe_next_same(xml_child)) { pe__bundle_port_t *port = pcmk__assert_alloc(1, sizeof(pe__bundle_port_t)); port->source = crm_element_value_copy(xml_child, PCMK_XA_PORT); if(port->source == NULL) { port->source = crm_element_value_copy(xml_child, PCMK_XA_RANGE); } else { port->target = crm_element_value_copy(xml_child, PCMK_XA_INTERNAL_PORT); } if(port->source != NULL && strlen(port->source) > 0) { if(port->target == NULL) { port->target = strdup(port->source); } bundle_data->ports = g_list_append(bundle_data->ports, port); } else { pcmk__config_err("Invalid " PCMK_XA_PORT " directive %s", pcmk__xe_id(xml_child)); port_free(port); } } } xml_obj = pcmk__xe_first_child(rsc->priv->xml, PCMK_XE_STORAGE, NULL, NULL); for (xml_child = pcmk__xe_first_child(xml_obj, PCMK_XE_STORAGE_MAPPING, NULL, NULL); xml_child != NULL; xml_child = pcmk__xe_next_same(xml_child)) { const char *source = crm_element_value(xml_child, PCMK_XA_SOURCE_DIR); const char *target = crm_element_value(xml_child, PCMK_XA_TARGET_DIR); const char *options = crm_element_value(xml_child, PCMK_XA_OPTIONS); int flags = pe__bundle_mount_none; if (source == NULL) { source = crm_element_value(xml_child, PCMK_XA_SOURCE_DIR_ROOT); pe__set_bundle_mount_flags(xml_child, flags, pe__bundle_mount_subdir); } if (source && target) { mount_add(bundle_data, source, target, options, flags); if (strcmp(target, "/var/log") == 0) { need_log_mount = FALSE; } } else { pcmk__config_err("Invalid mount directive %s", pcmk__xe_id(xml_child)); } } xml_obj = pcmk__xe_first_child(rsc->priv->xml, PCMK_XE_PRIMITIVE, NULL, NULL); if (xml_obj && valid_network(bundle_data)) { const char *suffix = NULL; char *value = NULL; xmlNode *xml_set = NULL; xml_resource = pcmk__xe_create(NULL, PCMK_XE_CLONE); /* @COMPAT We no longer use the tag, but we need to keep it as * part of the resource name, so that bundles don't restart in a rolling * upgrade. (It also avoids needing to change regression tests.) */ suffix = (const char *) xml_resource->name; if (bundle_data->promoted_max > 0) { suffix = "master"; } pcmk__xe_set_id(xml_resource, "%s-%s", bundle_data->prefix, suffix); xml_set = pcmk__xe_create(xml_resource, PCMK_XE_META_ATTRIBUTES); pcmk__xe_set_id(xml_set, "%s-%s-meta", bundle_data->prefix, xml_resource->name); crm_create_nvpair_xml(xml_set, NULL, PCMK_META_ORDERED, PCMK_VALUE_TRUE); value = pcmk__itoa(bundle_data->nreplicas); crm_create_nvpair_xml(xml_set, NULL, PCMK_META_CLONE_MAX, value); free(value); value = pcmk__itoa(bundle_data->nreplicas_per_host); crm_create_nvpair_xml(xml_set, NULL, PCMK_META_CLONE_NODE_MAX, value); free(value); crm_create_nvpair_xml(xml_set, NULL, PCMK_META_GLOBALLY_UNIQUE, pcmk__btoa(bundle_data->nreplicas_per_host > 1)); if (bundle_data->promoted_max) { crm_create_nvpair_xml(xml_set, NULL, PCMK_META_PROMOTABLE, PCMK_VALUE_TRUE); value = pcmk__itoa(bundle_data->promoted_max); crm_create_nvpair_xml(xml_set, NULL, PCMK_META_PROMOTED_MAX, value); free(value); } //crm_xml_add(xml_obj, PCMK_XA_ID, bundle_data->prefix); pcmk__xml_copy(xml_resource, xml_obj); } else if(xml_obj) { pcmk__config_err("Cannot control %s inside %s without either " PCMK_XA_IP_RANGE_START " or " PCMK_XA_CONTROL_PORT, rsc->id, pcmk__xe_id(xml_obj)); return FALSE; } if(xml_resource) { int lpc = 0; GList *childIter = NULL; pe__bundle_port_t *port = NULL; GString *buffer = NULL; if (pe__unpack_resource(xml_resource, &(bundle_data->child), rsc, scheduler) != pcmk_rc_ok) { return FALSE; } /* Currently, we always map the default authentication key location * into the same location inside the container. * * Ideally, we would respect the host's PCMK_authkey_location, but: * - it may be different on different nodes; * - the actual connection will do extra checking to make sure the key * file exists and is readable, that we can't do here on the DC * - tools such as crm_resource and crm_simulate may not have the same * environment variables as the cluster, causing operation digests to * differ * * Always using the default location inside the container is fine, * because we control the pacemaker_remote environment, and it avoids * having to pass another environment variable to the container. * * @TODO A better solution may be to have only pacemaker_remote use the * environment variable, and have the cluster nodes use a new * cluster option for key location. This would introduce the limitation * of the location being the same on all cluster nodes, but that's * reasonable. */ mount_add(bundle_data, DEFAULT_REMOTE_KEY_LOCATION, DEFAULT_REMOTE_KEY_LOCATION, NULL, pe__bundle_mount_none); if (need_log_mount) { mount_add(bundle_data, CRM_BUNDLE_DIR, "/var/log", NULL, pe__bundle_mount_subdir); } port = pcmk__assert_alloc(1, sizeof(pe__bundle_port_t)); if(bundle_data->control_port) { port->source = strdup(bundle_data->control_port); } else { /* If we wanted to respect PCMK_remote_port, we could use * crm_default_remote_port() here and elsewhere in this file instead * of DEFAULT_REMOTE_PORT. * * However, it gains nothing, since we control both the container * environment and the connection resource parameters, and the user * can use a different port if desired by setting * PCMK_XA_CONTROL_PORT. */ port->source = pcmk__itoa(DEFAULT_REMOTE_PORT); } port->target = strdup(port->source); bundle_data->ports = g_list_append(bundle_data->ports, port); buffer = g_string_sized_new(1024); for (childIter = bundle_data->child->priv->children; childIter != NULL; childIter = childIter->next) { pcmk__bundle_replica_t *replica = NULL; replica = pcmk__assert_alloc(1, sizeof(pcmk__bundle_replica_t)); replica->child = childIter->data; pcmk__set_rsc_flags(replica->child, pcmk__rsc_exclusive_probes); replica->offset = lpc++; // Ensure the child's notify gets set based on the underlying primitive's value if (pcmk_is_set(replica->child->flags, pcmk__rsc_notify)) { pcmk__set_rsc_flags(bundle_data->child, pcmk__rsc_notify); } allocate_ip(bundle_data, replica, buffer); bundle_data->replicas = g_list_append(bundle_data->replicas, replica); bundle_data->attribute_target = g_hash_table_lookup(replica->child->priv->meta, PCMK_META_CONTAINER_ATTRIBUTE_TARGET); } bundle_data->container_host_options = g_string_free(buffer, FALSE); if (bundle_data->attribute_target) { pcmk__insert_dup(rsc->priv->meta, PCMK_META_CONTAINER_ATTRIBUTE_TARGET, bundle_data->attribute_target); pcmk__insert_dup(bundle_data->child->priv->meta, PCMK_META_CONTAINER_ATTRIBUTE_TARGET, bundle_data->attribute_target); } } else { // Just a naked container, no pacemaker-remote GString *buffer = g_string_sized_new(1024); for (int lpc = 0; lpc < bundle_data->nreplicas; lpc++) { pcmk__bundle_replica_t *replica = NULL; replica = pcmk__assert_alloc(1, sizeof(pcmk__bundle_replica_t)); replica->offset = lpc; allocate_ip(bundle_data, replica, buffer); bundle_data->replicas = g_list_append(bundle_data->replicas, replica); } bundle_data->container_host_options = g_string_free(buffer, FALSE); } for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; if (create_replica_resources(rsc, bundle_data, replica) != pcmk_rc_ok) { pcmk__config_err("Failed unpacking resource %s", rsc->id); rsc->priv->fns->free(rsc); return FALSE; } /* Utilization needs special handling for bundles. It makes no sense for * the inner primitive to have utilization, because it is tied * one-to-one to the guest node created by the container resource -- and * there's no way to set capacities for that guest node anyway. * * What the user really wants is to configure utilization for the * container. However, the schema only allows utilization for * primitives, and the container resource is implicit anyway, so the * user can *only* configure utilization for the inner primitive. If * they do, move the primitive's utilization values to the container. * * @TODO This means that bundles without an inner primitive can't have * utilization. An alternative might be to allow utilization values in * the top-level bundle XML in the schema, and copy those to each * container. */ if (replica->child != NULL) { GHashTable *empty = replica->container->priv->utilization; replica->container->priv->utilization = replica->child->priv->utilization; replica->child->priv->utilization = empty; } } if (bundle_data->child) { rsc->priv->children = g_list_append(rsc->priv->children, bundle_data->child); } return TRUE; } static int replica_resource_active(pcmk_resource_t *rsc, gboolean all) { if (rsc) { gboolean child_active = rsc->priv->fns->active(rsc, all); if (child_active && !all) { return TRUE; } else if (!child_active && all) { return FALSE; } } return -1; } gboolean pe__bundle_active(pcmk_resource_t *rsc, gboolean all) { pe__bundle_variant_data_t *bundle_data = NULL; GList *iter = NULL; get_bundle_variant_data(bundle_data, rsc); for (iter = bundle_data->replicas; iter != NULL; iter = iter->next) { pcmk__bundle_replica_t *replica = iter->data; int rsc_active; rsc_active = replica_resource_active(replica->ip, all); if (rsc_active >= 0) { return (gboolean) rsc_active; } rsc_active = replica_resource_active(replica->child, all); if (rsc_active >= 0) { return (gboolean) rsc_active; } rsc_active = replica_resource_active(replica->container, all); if (rsc_active >= 0) { return (gboolean) rsc_active; } rsc_active = replica_resource_active(replica->remote, all); if (rsc_active >= 0) { return (gboolean) rsc_active; } } /* If "all" is TRUE, we've already checked that no resources were inactive, * so return TRUE; if "all" is FALSE, we didn't find any active resources, * so return FALSE. */ return all; } /*! * \internal * \brief Find the bundle replica corresponding to a given node * * \param[in] bundle Top-level bundle resource * \param[in] node Node to search for * * \return Bundle replica if found, NULL otherwise */ pcmk_resource_t * pe__find_bundle_replica(const pcmk_resource_t *bundle, const pcmk_node_t *node) { pe__bundle_variant_data_t *bundle_data = NULL; CRM_ASSERT(bundle && node); get_bundle_variant_data(bundle_data, bundle); for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; CRM_ASSERT(replica && replica->node); if (pcmk__same_node(replica->node, node)) { return replica->child; } } return NULL; } PCMK__OUTPUT_ARGS("bundle", "uint32_t", "pcmk_resource_t *", "GList *", "GList *") int pe__bundle_xml(pcmk__output_t *out, va_list args) { uint32_t show_opts = va_arg(args, uint32_t); pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); pe__bundle_variant_data_t *bundle_data = NULL; int rc = pcmk_rc_no_output; gboolean printed_header = FALSE; gboolean print_everything = TRUE; const char *desc = NULL; CRM_ASSERT(rsc != NULL); get_bundle_variant_data(bundle_data, rsc); if (rsc->priv->fns->is_filtered(rsc, only_rsc, TRUE)) { return rc; } print_everything = pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches); for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; pcmk_resource_t *ip = replica->ip; pcmk_resource_t *child = replica->child; pcmk_resource_t *container = replica->container; pcmk_resource_t *remote = replica->remote; char *id = NULL; gboolean print_ip, print_child, print_ctnr, print_remote; CRM_ASSERT(replica); if (pcmk__rsc_filtered_by_node(container, only_node)) { continue; } print_ip = (ip != NULL) && !ip->priv->fns->is_filtered(ip, only_rsc, print_everything); print_child = (child != NULL) && !child->priv->fns->is_filtered(child, only_rsc, print_everything); print_ctnr = !container->priv->fns->is_filtered(container, only_rsc, print_everything); print_remote = (remote != NULL) && !remote->priv->fns->is_filtered(remote, only_rsc, print_everything); if (!print_everything && !print_ip && !print_child && !print_ctnr && !print_remote) { continue; } if (!printed_header) { const char *type = container_agent_str(bundle_data->agent_type); const char *unique = pcmk__flag_text(rsc->flags, pcmk__rsc_unique); const char *maintenance = pcmk__flag_text(rsc->flags, pcmk__rsc_maintenance); const char *managed = pcmk__flag_text(rsc->flags, pcmk__rsc_managed); const char *failed = pcmk__flag_text(rsc->flags, pcmk__rsc_failed); printed_header = TRUE; desc = pe__resource_description(rsc, show_opts); rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_BUNDLE, PCMK_XA_ID, rsc->id, PCMK_XA_TYPE, type, PCMK_XA_IMAGE, bundle_data->image, PCMK_XA_UNIQUE, unique, PCMK_XA_MAINTENANCE, maintenance, PCMK_XA_MANAGED, managed, PCMK_XA_FAILED, failed, PCMK_XA_DESCRIPTION, desc, NULL); CRM_ASSERT(rc == pcmk_rc_ok); } id = pcmk__itoa(replica->offset); rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_REPLICA, PCMK_XA_ID, id, NULL); free(id); CRM_ASSERT(rc == pcmk_rc_ok); if (print_ip) { out->message(out, (const char *) ip->priv->xml->name, show_opts, ip, only_node, only_rsc); } if (print_child) { out->message(out, (const char *) child->priv->xml->name, show_opts, child, only_node, only_rsc); } if (print_ctnr) { out->message(out, (const char *) container->priv->xml->name, show_opts, container, only_node, only_rsc); } if (print_remote) { out->message(out, (const char *) remote->priv->xml->name, show_opts, remote, only_node, only_rsc); } pcmk__output_xml_pop_parent(out); // replica } if (printed_header) { pcmk__output_xml_pop_parent(out); // bundle } return rc; } static void pe__bundle_replica_output_html(pcmk__output_t *out, pcmk__bundle_replica_t *replica, pcmk_node_t *node, uint32_t show_opts) { pcmk_resource_t *rsc = replica->child; int offset = 0; char buffer[LINE_MAX]; if(rsc == NULL) { rsc = replica->container; } if (replica->remote) { offset += snprintf(buffer + offset, LINE_MAX - offset, "%s", rsc_printable_id(replica->remote)); } else { offset += snprintf(buffer + offset, LINE_MAX - offset, "%s", rsc_printable_id(replica->container)); } if (replica->ipaddr) { offset += snprintf(buffer + offset, LINE_MAX - offset, " (%s)", replica->ipaddr); } pe__common_output_html(out, rsc, buffer, node, show_opts); } /*! * \internal * \brief Get a string describing a resource's unmanaged state or lack thereof * * \param[in] rsc Resource to describe * * \return A string indicating that a resource is in maintenance mode or * otherwise unmanaged, or an empty string otherwise */ static const char * get_unmanaged_str(const pcmk_resource_t *rsc) { if (pcmk_is_set(rsc->flags, pcmk__rsc_maintenance)) { return " (maintenance)"; } if (!pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { return " (unmanaged)"; } return ""; } PCMK__OUTPUT_ARGS("bundle", "uint32_t", "pcmk_resource_t *", "GList *", "GList *") int pe__bundle_html(pcmk__output_t *out, va_list args) { uint32_t show_opts = va_arg(args, uint32_t); pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); const char *desc = NULL; pe__bundle_variant_data_t *bundle_data = NULL; int rc = pcmk_rc_no_output; gboolean print_everything = TRUE; CRM_ASSERT(rsc != NULL); get_bundle_variant_data(bundle_data, rsc); desc = pe__resource_description(rsc, show_opts); if (rsc->priv->fns->is_filtered(rsc, only_rsc, TRUE)) { return rc; } print_everything = pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches); for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; pcmk_resource_t *ip = replica->ip; pcmk_resource_t *child = replica->child; pcmk_resource_t *container = replica->container; pcmk_resource_t *remote = replica->remote; gboolean print_ip, print_child, print_ctnr, print_remote; CRM_ASSERT(replica); if (pcmk__rsc_filtered_by_node(container, only_node)) { continue; } print_ip = (ip != NULL) && !ip->priv->fns->is_filtered(ip, only_rsc, print_everything); print_child = (child != NULL) && !child->priv->fns->is_filtered(child, only_rsc, print_everything); print_ctnr = !container->priv->fns->is_filtered(container, only_rsc, print_everything); print_remote = (remote != NULL) && !remote->priv->fns->is_filtered(remote, only_rsc, print_everything); if (pcmk_is_set(show_opts, pcmk_show_implicit_rscs) || (print_everything == FALSE && (print_ip || print_child || print_ctnr || print_remote))) { /* The text output messages used below require pe_print_implicit to * be set to do anything. */ uint32_t new_show_opts = show_opts | pcmk_show_implicit_rscs; PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s", (bundle_data->nreplicas > 1)? " set" : "", rsc->id, bundle_data->image, pcmk_is_set(rsc->flags, pcmk__rsc_unique)? " (unique)" : "", desc ? " (" : "", desc ? desc : "", desc ? ")" : "", get_unmanaged_str(rsc)); if (pcmk__list_of_multiple(bundle_data->replicas)) { out->begin_list(out, NULL, NULL, "Replica[%d]", replica->offset); } if (print_ip) { out->message(out, (const char *) ip->priv->xml->name, new_show_opts, ip, only_node, only_rsc); } if (print_child) { out->message(out, (const char *) child->priv->xml->name, new_show_opts, child, only_node, only_rsc); } if (print_ctnr) { out->message(out, (const char *) container->priv->xml->name, new_show_opts, container, only_node, only_rsc); } if (print_remote) { out->message(out, (const char *) remote->priv->xml->name, new_show_opts, remote, only_node, only_rsc); } if (pcmk__list_of_multiple(bundle_data->replicas)) { out->end_list(out); } } else if (print_everything == FALSE && !(print_ip || print_child || print_ctnr || print_remote)) { continue; } else { PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s", (bundle_data->nreplicas > 1)? " set" : "", rsc->id, bundle_data->image, pcmk_is_set(rsc->flags, pcmk__rsc_unique)? " (unique)" : "", desc ? " (" : "", desc ? desc : "", desc ? ")" : "", get_unmanaged_str(rsc)); pe__bundle_replica_output_html(out, replica, pcmk__current_node(container), show_opts); } } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } static void pe__bundle_replica_output_text(pcmk__output_t *out, pcmk__bundle_replica_t *replica, pcmk_node_t *node, uint32_t show_opts) { const pcmk_resource_t *rsc = replica->child; int offset = 0; char buffer[LINE_MAX]; if(rsc == NULL) { rsc = replica->container; } if (replica->remote) { offset += snprintf(buffer + offset, LINE_MAX - offset, "%s", rsc_printable_id(replica->remote)); } else { offset += snprintf(buffer + offset, LINE_MAX - offset, "%s", rsc_printable_id(replica->container)); } if (replica->ipaddr) { offset += snprintf(buffer + offset, LINE_MAX - offset, " (%s)", replica->ipaddr); } pe__common_output_text(out, rsc, buffer, node, show_opts); } PCMK__OUTPUT_ARGS("bundle", "uint32_t", "pcmk_resource_t *", "GList *", "GList *") int pe__bundle_text(pcmk__output_t *out, va_list args) { uint32_t show_opts = va_arg(args, uint32_t); pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); const char *desc = NULL; pe__bundle_variant_data_t *bundle_data = NULL; int rc = pcmk_rc_no_output; gboolean print_everything = TRUE; desc = pe__resource_description(rsc, show_opts); CRM_ASSERT(rsc != NULL); get_bundle_variant_data(bundle_data, rsc); if (rsc->priv->fns->is_filtered(rsc, only_rsc, TRUE)) { return rc; } print_everything = pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches); for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; pcmk_resource_t *ip = replica->ip; pcmk_resource_t *child = replica->child; pcmk_resource_t *container = replica->container; pcmk_resource_t *remote = replica->remote; gboolean print_ip, print_child, print_ctnr, print_remote; CRM_ASSERT(replica); if (pcmk__rsc_filtered_by_node(container, only_node)) { continue; } print_ip = (ip != NULL) && !ip->priv->fns->is_filtered(ip, only_rsc, print_everything); print_child = (child != NULL) && !child->priv->fns->is_filtered(child, only_rsc, print_everything); print_ctnr = !container->priv->fns->is_filtered(container, only_rsc, print_everything); print_remote = (remote != NULL) && !remote->priv->fns->is_filtered(remote, only_rsc, print_everything); if (pcmk_is_set(show_opts, pcmk_show_implicit_rscs) || (print_everything == FALSE && (print_ip || print_child || print_ctnr || print_remote))) { /* The text output messages used below require pe_print_implicit to * be set to do anything. */ uint32_t new_show_opts = show_opts | pcmk_show_implicit_rscs; PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s", (bundle_data->nreplicas > 1)? " set" : "", rsc->id, bundle_data->image, pcmk_is_set(rsc->flags, pcmk__rsc_unique)? " (unique)" : "", desc ? " (" : "", desc ? desc : "", desc ? ")" : "", get_unmanaged_str(rsc)); if (pcmk__list_of_multiple(bundle_data->replicas)) { out->list_item(out, NULL, "Replica[%d]", replica->offset); } out->begin_list(out, NULL, NULL, NULL); if (print_ip) { out->message(out, (const char *) ip->priv->xml->name, new_show_opts, ip, only_node, only_rsc); } if (print_child) { out->message(out, (const char *) child->priv->xml->name, new_show_opts, child, only_node, only_rsc); } if (print_ctnr) { out->message(out, (const char *) container->priv->xml->name, new_show_opts, container, only_node, only_rsc); } if (print_remote) { out->message(out, (const char *) remote->priv->xml->name, new_show_opts, remote, only_node, only_rsc); } out->end_list(out); } else if (print_everything == FALSE && !(print_ip || print_child || print_ctnr || print_remote)) { continue; } else { PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s", (bundle_data->nreplicas > 1)? " set" : "", rsc->id, bundle_data->image, pcmk_is_set(rsc->flags, pcmk__rsc_unique)? " (unique)" : "", desc ? " (" : "", desc ? desc : "", desc ? ")" : "", get_unmanaged_str(rsc)); pe__bundle_replica_output_text(out, replica, pcmk__current_node(container), show_opts); } } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } static void free_bundle_replica(pcmk__bundle_replica_t *replica) { if (replica == NULL) { return; } if (replica->node) { free(replica->node); replica->node = NULL; } if (replica->ip) { pcmk__xml_free(replica->ip->priv->xml); replica->ip->priv->xml = NULL; replica->ip->priv->fns->free(replica->ip); } if (replica->container) { pcmk__xml_free(replica->container->priv->xml); replica->container->priv->xml = NULL; replica->container->priv->fns->free(replica->container); } if (replica->remote) { pcmk__xml_free(replica->remote->priv->xml); replica->remote->priv->xml = NULL; replica->remote->priv->fns->free(replica->remote); } free(replica->ipaddr); free(replica); } void pe__free_bundle(pcmk_resource_t *rsc) { pe__bundle_variant_data_t *bundle_data = NULL; CRM_CHECK(rsc != NULL, return); get_bundle_variant_data(bundle_data, rsc); pcmk__rsc_trace(rsc, "Freeing %s", rsc->id); free(bundle_data->prefix); free(bundle_data->image); free(bundle_data->control_port); free(bundle_data->host_network); free(bundle_data->host_netmask); free(bundle_data->ip_range_start); free(bundle_data->container_network); free(bundle_data->launcher_options); free(bundle_data->container_command); g_free(bundle_data->container_host_options); g_list_free_full(bundle_data->replicas, (GDestroyNotify) free_bundle_replica); g_list_free_full(bundle_data->mounts, (GDestroyNotify)mount_free); g_list_free_full(bundle_data->ports, (GDestroyNotify)port_free); g_list_free(rsc->priv->children); if(bundle_data->child) { pcmk__xml_free(bundle_data->child->priv->xml); bundle_data->child->priv->xml = NULL; bundle_data->child->priv->fns->free(bundle_data->child); } common_free(rsc); } enum rsc_role_e pe__bundle_resource_state(const pcmk_resource_t *rsc, gboolean current) { enum rsc_role_e container_role = pcmk_role_unknown; return container_role; } /*! * \brief Get the number of configured replicas in a bundle * * \param[in] rsc Bundle resource * * \return Number of configured replicas, or 0 on error */ int pe_bundle_replicas(const pcmk_resource_t *rsc) { if (pcmk__is_bundle(rsc)) { pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, rsc); return bundle_data->nreplicas; } return 0; } void pe__count_bundle(pcmk_resource_t *rsc) { pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, rsc); for (GList *item = bundle_data->replicas; item != NULL; item = item->next) { pcmk__bundle_replica_t *replica = item->data; if (replica->ip) { replica->ip->priv->fns->count(replica->ip); } if (replica->child) { replica->child->priv->fns->count(replica->child); } if (replica->container) { replica->container->priv->fns->count(replica->container); } if (replica->remote) { replica->remote->priv->fns->count(replica->remote); } } } gboolean pe__bundle_is_filtered(const pcmk_resource_t *rsc, GList *only_rsc, gboolean check_parent) { gboolean passes = FALSE; pe__bundle_variant_data_t *bundle_data = NULL; if (pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches)) { passes = TRUE; } else { get_bundle_variant_data(bundle_data, rsc); for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) { pcmk__bundle_replica_t *replica = gIter->data; pcmk_resource_t *ip = replica->ip; pcmk_resource_t *child = replica->child; pcmk_resource_t *container = replica->container; pcmk_resource_t *remote = replica->remote; if ((ip != NULL) && !ip->priv->fns->is_filtered(ip, only_rsc, FALSE)) { passes = TRUE; break; } if ((child != NULL) && !child->priv->fns->is_filtered(child, only_rsc, FALSE)) { passes = TRUE; break; } if (!container->priv->fns->is_filtered(container, only_rsc, FALSE)) { passes = TRUE; break; } if ((remote != NULL) && !remote->priv->fns->is_filtered(remote, only_rsc, FALSE)) { passes = TRUE; break; } } } return !passes; } /*! * \internal * \brief Get a list of a bundle's containers * * \param[in] bundle Bundle resource * * \return Newly created list of \p bundle's containers * \note It is the caller's responsibility to free the result with * g_list_free(). */ GList * pe__bundle_containers(const pcmk_resource_t *bundle) { GList *containers = NULL; const pe__bundle_variant_data_t *data = NULL; get_bundle_variant_data(data, bundle); for (GList *iter = data->replicas; iter != NULL; iter = iter->next) { pcmk__bundle_replica_t *replica = iter->data; containers = g_list_append(containers, replica->container); } return containers; } // Bundle implementation of pcmk__rsc_methods_t:active_node() pcmk_node_t * pe__bundle_active_node(const pcmk_resource_t *rsc, unsigned int *count_all, unsigned int *count_clean) { pcmk_node_t *active = NULL; pcmk_node_t *node = NULL; pcmk_resource_t *container = NULL; GList *containers = NULL; GList *iter = NULL; GHashTable *nodes = NULL; const pe__bundle_variant_data_t *data = NULL; if (count_all != NULL) { *count_all = 0; } if (count_clean != NULL) { *count_clean = 0; } if (rsc == NULL) { return NULL; } /* For the purposes of this method, we only care about where the bundle's * containers are active, so build a list of active containers. */ get_bundle_variant_data(data, rsc); for (iter = data->replicas; iter != NULL; iter = iter->next) { pcmk__bundle_replica_t *replica = iter->data; if (replica->container->priv->active_nodes != NULL) { containers = g_list_append(containers, replica->container); } } if (containers == NULL) { return NULL; } /* If the bundle has only a single active container, just use that * container's method. If live migration is ever supported for bundle * containers, this will allow us to prefer the migration source when there * is only one container and it is migrating. For now, this just lets us * avoid creating the nodes table. */ if (pcmk__list_of_1(containers)) { container = containers->data; node = container->priv->fns->active_node(container, count_all, count_clean); g_list_free(containers); return node; } // Add all containers' active nodes to a hash table (for uniqueness) nodes = g_hash_table_new(NULL, NULL); for (iter = containers; iter != NULL; iter = iter->next) { container = iter->data; for (GList *node_iter = container->priv->active_nodes; node_iter != NULL; node_iter = node_iter->next) { node = node_iter->data; // If insert returns true, we haven't counted this node yet if (g_hash_table_insert(nodes, (gpointer) node->details, (gpointer) node) && !pe__count_active_node(rsc, node, &active, count_all, count_clean)) { goto done; } } } done: g_list_free(containers); g_hash_table_destroy(nodes); return active; } /*! * \internal * \brief Get maximum bundle resource instances per node * * \param[in] rsc Bundle resource to check * * \return Maximum number of \p rsc instances that can be active on one node */ unsigned int pe__bundle_max_per_node(const pcmk_resource_t *rsc) { pe__bundle_variant_data_t *bundle_data = NULL; get_bundle_variant_data(bundle_data, rsc); CRM_ASSERT(bundle_data->nreplicas_per_host >= 0); return (unsigned int) bundle_data->nreplicas_per_host; } diff --git a/lib/pengine/pe_actions.c b/lib/pengine/pe_actions.c index c939459a60..138f05fd1c 100644 --- a/lib/pengine/pe_actions.c +++ b/lib/pengine/pe_actions.c @@ -1,1798 +1,1799 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include "pe_status_private.h" static void unpack_operation(pcmk_action_t *action, const xmlNode *xml_obj, guint interval_ms); static void add_singleton(pcmk_scheduler_t *scheduler, pcmk_action_t *action) { if (scheduler->priv->singletons == NULL) { scheduler->priv->singletons = pcmk__strkey_table(NULL, NULL); } g_hash_table_insert(scheduler->priv->singletons, action->uuid, action); } static pcmk_action_t * lookup_singleton(pcmk_scheduler_t *scheduler, const char *action_uuid) { /* @TODO This is the only use of the pcmk_scheduler_t:singletons hash table. * Compare the performance of this approach to keeping the * pcmk_scheduler_t:actions list sorted by action key and just searching * that instead. */ if (scheduler->priv->singletons == NULL) { return NULL; } return g_hash_table_lookup(scheduler->priv->singletons, action_uuid); } /*! * \internal * \brief Find an existing action that matches arguments * * \param[in] key Action key to match * \param[in] rsc Resource to match (if any) * \param[in] node Node to match (if any) * \param[in] scheduler Scheduler data * * \return Existing action that matches arguments (or NULL if none) */ static pcmk_action_t * find_existing_action(const char *key, const pcmk_resource_t *rsc, const pcmk_node_t *node, const pcmk_scheduler_t *scheduler) { /* When rsc is NULL, it would be quicker to check * scheduler->priv->singletons, but checking all scheduler->priv->actions * takes the node into account. */ GList *actions = (rsc == NULL)? scheduler->priv->actions : rsc->priv->actions; GList *matches = find_actions(actions, key, node); pcmk_action_t *action = NULL; if (matches == NULL) { return NULL; } CRM_LOG_ASSERT(!pcmk__list_of_multiple(matches)); action = matches->data; g_list_free(matches); return action; } /*! * \internal * \brief Find the XML configuration corresponding to a specific action key * * \param[in] rsc Resource to find action configuration for * \param[in] key "RSC_ACTION_INTERVAL" of action to find * \param[in] include_disabled If false, do not return disabled actions * * \return XML configuration of desired action if any, otherwise NULL */ static xmlNode * find_exact_action_config(const pcmk_resource_t *rsc, const char *action_name, guint interval_ms, bool include_disabled) { for (xmlNode *operation = pcmk__xe_first_child(rsc->priv->ops_xml, PCMK_XE_OP, NULL, NULL); operation != NULL; operation = pcmk__xe_next_same(operation)) { bool enabled = false; const char *config_name = NULL; const char *interval_spec = NULL; guint tmp_ms = 0U; // @TODO This does not consider meta-attributes, rules, defaults, etc. if (!include_disabled && (pcmk__xe_get_bool_attr(operation, PCMK_META_ENABLED, &enabled) == pcmk_rc_ok) && !enabled) { continue; } interval_spec = crm_element_value(operation, PCMK_META_INTERVAL); pcmk_parse_interval_spec(interval_spec, &tmp_ms); if (tmp_ms != interval_ms) { continue; } config_name = crm_element_value(operation, PCMK_XA_NAME); if (pcmk__str_eq(action_name, config_name, pcmk__str_none)) { return operation; } } return NULL; } /*! * \internal * \brief Find the XML configuration of a resource action * * \param[in] rsc Resource to find action configuration for * \param[in] action_name Action name to search for * \param[in] interval_ms Action interval (in milliseconds) to search for * \param[in] include_disabled If false, do not return disabled actions * * \return XML configuration of desired action if any, otherwise NULL */ xmlNode * pcmk__find_action_config(const pcmk_resource_t *rsc, const char *action_name, guint interval_ms, bool include_disabled) { xmlNode *action_config = NULL; // Try requested action first action_config = find_exact_action_config(rsc, action_name, interval_ms, include_disabled); // For migrate_to and migrate_from actions, retry with "migrate" // @TODO This should be either documented or deprecated if ((action_config == NULL) && pcmk__str_any_of(action_name, PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM, NULL)) { action_config = find_exact_action_config(rsc, "migrate", 0, include_disabled); } return action_config; } /*! * \internal * \brief Create a new action object * * \param[in] key Action key * \param[in] task Action name * \param[in,out] rsc Resource that action is for (if any) * \param[in] node Node that action is on (if any) * \param[in] optional Whether action should be considered optional * \param[in,out] scheduler Scheduler data * * \return Newly allocated action * \note This function takes ownership of \p key. It is the caller's * responsibility to free the return value with pe_free_action(). */ static pcmk_action_t * new_action(char *key, const char *task, pcmk_resource_t *rsc, const pcmk_node_t *node, bool optional, pcmk_scheduler_t *scheduler) { pcmk_action_t *action = pcmk__assert_alloc(1, sizeof(pcmk_action_t)); action->rsc = rsc; action->task = pcmk__str_copy(task); action->uuid = key; action->scheduler = scheduler; if (node) { action->node = pe__copy_node(node); } if (pcmk__str_eq(task, PCMK_ACTION_LRM_DELETE, pcmk__str_casei)) { // Resource history deletion for a node can be done on the DC pcmk__set_action_flags(action, pcmk__action_on_dc); } pcmk__set_action_flags(action, pcmk__action_runnable); if (optional) { pcmk__set_action_flags(action, pcmk__action_optional); } else { pcmk__clear_action_flags(action, pcmk__action_optional); } if (rsc == NULL) { action->meta = pcmk__strkey_table(free, free); } else { guint interval_ms = 0; parse_op_key(key, NULL, NULL, &interval_ms); action->op_entry = pcmk__find_action_config(rsc, task, interval_ms, true); /* If the given key is for one of the many notification pseudo-actions * (pre_notify_promote, etc.), the actual action name is "notify" */ if ((action->op_entry == NULL) && (strstr(key, "_notify_") != NULL)) { action->op_entry = find_exact_action_config(rsc, PCMK_ACTION_NOTIFY, 0, true); } unpack_operation(action, action->op_entry, interval_ms); } pcmk__rsc_trace(rsc, "Created %s action %d (%s): %s for %s on %s", (optional? "optional" : "required"), scheduler->action_id, key, task, ((rsc == NULL)? "no resource" : rsc->id), pcmk__node_name(node)); action->id = scheduler->action_id++; scheduler->priv->actions = g_list_prepend(scheduler->priv->actions, action); if (rsc == NULL) { add_singleton(scheduler, action); } else { rsc->priv->actions = g_list_prepend(rsc->priv->actions, action); } return action; } /*! * \internal * \brief Unpack a resource's action-specific instance parameters * * \param[in] action_xml XML of action's configuration in CIB (if any) * \param[in,out] node_attrs Table of node attributes (for rule evaluation) * \param[in,out] scheduler Cluster working set (for rule evaluation) * * \return Newly allocated hash table of action-specific instance parameters */ GHashTable * pcmk__unpack_action_rsc_params(const xmlNode *action_xml, GHashTable *node_attrs, pcmk_scheduler_t *scheduler) { GHashTable *params = pcmk__strkey_table(free, free); pe_rule_eval_data_t rule_data = { .node_hash = node_attrs, .now = scheduler->priv->now, .match_data = NULL, .rsc_data = NULL, .op_data = NULL }; pe__unpack_dataset_nvpairs(action_xml, PCMK_XE_INSTANCE_ATTRIBUTES, &rule_data, params, NULL, FALSE, scheduler); return params; } /*! * \internal * \brief Update an action's optional flag * * \param[in,out] action Action to update * \param[in] optional Requested optional status */ static void update_action_optional(pcmk_action_t *action, gboolean optional) { // Force a non-recurring action to be optional if its resource is unmanaged if ((action->rsc != NULL) && (action->node != NULL) && !pcmk_is_set(action->flags, pcmk__action_pseudo) && !pcmk_is_set(action->rsc->flags, pcmk__rsc_managed) && (g_hash_table_lookup(action->meta, PCMK_META_INTERVAL) == NULL)) { pcmk__rsc_debug(action->rsc, "%s on %s is optional (%s is unmanaged)", action->uuid, pcmk__node_name(action->node), action->rsc->id); pcmk__set_action_flags(action, pcmk__action_optional); // We shouldn't clear runnable here because ... something // Otherwise require the action if requested } else if (!optional) { pcmk__clear_action_flags(action, pcmk__action_optional); } } static enum pe_quorum_policy effective_quorum_policy(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler) { enum pe_quorum_policy policy = scheduler->no_quorum_policy; if (pcmk_is_set(scheduler->flags, pcmk__sched_quorate)) { policy = pcmk_no_quorum_ignore; } else if (scheduler->no_quorum_policy == pcmk_no_quorum_demote) { switch (rsc->priv->orig_role) { case pcmk_role_promoted: case pcmk_role_unpromoted: if (rsc->priv->next_role > pcmk_role_unpromoted) { pe__set_next_role(rsc, pcmk_role_unpromoted, PCMK_OPT_NO_QUORUM_POLICY "=demote"); } policy = pcmk_no_quorum_ignore; break; default: policy = pcmk_no_quorum_stop; break; } } return policy; } /*! * \internal * \brief Update a resource action's runnable flag * * \param[in,out] action Action to update * \param[in,out] scheduler Scheduler data * * \note This may also schedule fencing if a stop is unrunnable. */ static void update_resource_action_runnable(pcmk_action_t *action, pcmk_scheduler_t *scheduler) { pcmk_resource_t *rsc = action->rsc; if (pcmk_is_set(action->flags, pcmk__action_pseudo)) { return; } if (action->node == NULL) { pcmk__rsc_trace(rsc, "%s is unrunnable (unallocated)", action->uuid); pcmk__clear_action_flags(action, pcmk__action_runnable); } else if (!pcmk_is_set(action->flags, pcmk__action_on_dc) && !(action->node->details->online) && (!pcmk__is_guest_or_bundle_node(action->node) || pcmk_is_set(action->node->priv->flags, pcmk__node_remote_reset))) { pcmk__clear_action_flags(action, pcmk__action_runnable); do_crm_log(LOG_WARNING, "%s on %s is unrunnable (node is offline)", action->uuid, pcmk__node_name(action->node)); if (pcmk_is_set(rsc->flags, pcmk__rsc_managed) && pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_casei) && !(action->node->details->unclean)) { pe_fence_node(scheduler, action->node, "stop is unrunnable", false); } } else if (!pcmk_is_set(action->flags, pcmk__action_on_dc) && action->node->details->pending) { pcmk__clear_action_flags(action, pcmk__action_runnable); do_crm_log(LOG_WARNING, "Action %s on %s is unrunnable (node is pending)", action->uuid, pcmk__node_name(action->node)); } else if (action->needs == pcmk__requires_nothing) { pe_action_set_reason(action, NULL, TRUE); if (pcmk__is_guest_or_bundle_node(action->node) && !pe_can_fence(scheduler, action->node)) { /* An action that requires nothing usually does not require any * fencing in order to be runnable. However, there is an exception: * such an action cannot be completed if it is on a guest node whose * host is unclean and cannot be fenced. */ pcmk__rsc_debug(rsc, "%s on %s is unrunnable " "(node's host cannot be fenced)", action->uuid, pcmk__node_name(action->node)); pcmk__clear_action_flags(action, pcmk__action_runnable); } else { pcmk__rsc_trace(rsc, "%s on %s does not require fencing or quorum", action->uuid, pcmk__node_name(action->node)); pcmk__set_action_flags(action, pcmk__action_runnable); } } else { switch (effective_quorum_policy(rsc, scheduler)) { case pcmk_no_quorum_stop: pcmk__rsc_debug(rsc, "%s on %s is unrunnable (no quorum)", action->uuid, pcmk__node_name(action->node)); pcmk__clear_action_flags(action, pcmk__action_runnable); pe_action_set_reason(action, "no quorum", true); break; case pcmk_no_quorum_freeze: if (!rsc->priv->fns->active(rsc, TRUE) || (rsc->priv->next_role > rsc->priv->orig_role)) { pcmk__rsc_debug(rsc, "%s on %s is unrunnable (no quorum)", action->uuid, pcmk__node_name(action->node)); pcmk__clear_action_flags(action, pcmk__action_runnable); pe_action_set_reason(action, "quorum freeze", true); } break; default: //pe_action_set_reason(action, NULL, TRUE); pcmk__set_action_flags(action, pcmk__action_runnable); break; } } } static bool valid_stop_on_fail(const char *value) { return !pcmk__strcase_any_of(value, PCMK_VALUE_STANDBY, PCMK_VALUE_DEMOTE, PCMK_VALUE_STOP, NULL); } /*! * \internal * \brief Validate (and possibly reset) resource action's on_fail meta-attribute * * \param[in] rsc Resource that action is for * \param[in] action_name Action name * \param[in] action_config Action configuration XML from CIB (if any) * \param[in,out] meta Table of action meta-attributes */ static void validate_on_fail(const pcmk_resource_t *rsc, const char *action_name, const xmlNode *action_config, GHashTable *meta) { const char *name = NULL; const char *role = NULL; const char *interval_spec = NULL; const char *value = g_hash_table_lookup(meta, PCMK_META_ON_FAIL); guint interval_ms = 0U; // Stop actions can only use certain on-fail values if (pcmk__str_eq(action_name, PCMK_ACTION_STOP, pcmk__str_none) && !valid_stop_on_fail(value)) { pcmk__config_err("Resetting '" PCMK_META_ON_FAIL "' for %s stop " "action to default value because '%s' is not " "allowed for stop", rsc->id, value); g_hash_table_remove(meta, PCMK_META_ON_FAIL); return; } /* Demote actions default on-fail to the on-fail value for the first * recurring monitor for the promoted role (if any). */ if (pcmk__str_eq(action_name, PCMK_ACTION_DEMOTE, pcmk__str_none) && (value == NULL)) { /* @TODO This does not consider promote options set in a meta-attribute * block (which may have rules that need to be evaluated) rather than * XML properties. */ for (xmlNode *operation = pcmk__xe_first_child(rsc->priv->ops_xml, PCMK_XE_OP, NULL, NULL); operation != NULL; operation = pcmk__xe_next_same(operation)) { bool enabled = false; const char *promote_on_fail = NULL; /* We only care about explicit on-fail (if promote uses default, so * can demote) */ promote_on_fail = crm_element_value(operation, PCMK_META_ON_FAIL); if (promote_on_fail == NULL) { continue; } // We only care about recurring monitors for the promoted role name = crm_element_value(operation, PCMK_XA_NAME); role = crm_element_value(operation, PCMK_XA_ROLE); if (!pcmk__str_eq(name, PCMK_ACTION_MONITOR, pcmk__str_none) || !pcmk__strcase_any_of(role, PCMK_ROLE_PROMOTED, PCMK__ROLE_PROMOTED_LEGACY, NULL)) { continue; } interval_spec = crm_element_value(operation, PCMK_META_INTERVAL); pcmk_parse_interval_spec(interval_spec, &interval_ms); if (interval_ms == 0U) { continue; } // We only care about enabled monitors if ((pcmk__xe_get_bool_attr(operation, PCMK_META_ENABLED, &enabled) == pcmk_rc_ok) && !enabled) { continue; } /* Demote actions can't default to * PCMK_META_ON_FAIL=PCMK_VALUE_DEMOTE */ if (pcmk__str_eq(promote_on_fail, PCMK_VALUE_DEMOTE, pcmk__str_casei)) { continue; } // Use value from first applicable promote action found pcmk__insert_dup(meta, PCMK_META_ON_FAIL, promote_on_fail); } return; } if (pcmk__str_eq(action_name, PCMK_ACTION_LRM_DELETE, pcmk__str_none) && !pcmk__str_eq(value, PCMK_VALUE_IGNORE, pcmk__str_casei)) { pcmk__insert_dup(meta, PCMK_META_ON_FAIL, PCMK_VALUE_IGNORE); return; } // PCMK_META_ON_FAIL=PCMK_VALUE_DEMOTE is allowed only for certain actions if (pcmk__str_eq(value, PCMK_VALUE_DEMOTE, pcmk__str_casei)) { name = crm_element_value(action_config, PCMK_XA_NAME); role = crm_element_value(action_config, PCMK_XA_ROLE); interval_spec = crm_element_value(action_config, PCMK_META_INTERVAL); pcmk_parse_interval_spec(interval_spec, &interval_ms); if (!pcmk__str_eq(name, PCMK_ACTION_PROMOTE, pcmk__str_none) && ((interval_ms == 0U) || !pcmk__str_eq(name, PCMK_ACTION_MONITOR, pcmk__str_none) || !pcmk__strcase_any_of(role, PCMK_ROLE_PROMOTED, PCMK__ROLE_PROMOTED_LEGACY, NULL))) { pcmk__config_err("Resetting '" PCMK_META_ON_FAIL "' for %s %s " "action to default value because 'demote' is not " "allowed for it", rsc->id, name); g_hash_table_remove(meta, PCMK_META_ON_FAIL); return; } } } static int unpack_timeout(const char *value) { long long timeout_ms = crm_get_msec(value); if (timeout_ms <= 0) { timeout_ms = PCMK_DEFAULT_ACTION_TIMEOUT_MS; } return (int) QB_MIN(timeout_ms, INT_MAX); } // true if value contains valid, non-NULL interval origin for recurring op static bool unpack_interval_origin(const char *value, const xmlNode *xml_obj, guint interval_ms, const crm_time_t *now, long long *start_delay) { long long result = 0; guint interval_sec = interval_ms / 1000; crm_time_t *origin = NULL; // Ignore unspecified values and non-recurring operations if ((value == NULL) || (interval_ms == 0) || (now == NULL)) { return false; } // Parse interval origin from text origin = crm_time_new(value); if (origin == NULL) { pcmk__config_err("Ignoring '" PCMK_META_INTERVAL_ORIGIN "' for " "operation '%s' because '%s' is not valid", pcmk__s(pcmk__xe_id(xml_obj), "(missing ID)"), value); return false; } // Get seconds since origin (negative if origin is in the future) result = crm_time_get_seconds(now) - crm_time_get_seconds(origin); crm_time_free(origin); // Calculate seconds from closest interval to now result = result % interval_sec; // Calculate seconds remaining until next interval result = ((result <= 0)? 0 : interval_sec) - result; crm_info("Calculated a start delay of %llds for operation '%s'", result, pcmk__s(pcmk__xe_id(xml_obj), "(unspecified)")); if (start_delay != NULL) { *start_delay = result * 1000; // milliseconds } return true; } static int unpack_start_delay(const char *value, GHashTable *meta) { long long start_delay_ms = 0; if (value == NULL) { return 0; } start_delay_ms = crm_get_msec(value); start_delay_ms = QB_MIN(start_delay_ms, INT_MAX); if (start_delay_ms < 0) { start_delay_ms = 0; } if (meta != NULL) { g_hash_table_replace(meta, strdup(PCMK_META_START_DELAY), pcmk__itoa(start_delay_ms)); } return (int) start_delay_ms; } /*! * \internal * \brief Find a resource's most frequent recurring monitor * * \param[in] rsc Resource to check * * \return Operation XML configured for most frequent recurring monitor for * \p rsc (if any) */ static xmlNode * most_frequent_monitor(const pcmk_resource_t *rsc) { guint min_interval_ms = G_MAXUINT; xmlNode *op = NULL; for (xmlNode *operation = pcmk__xe_first_child(rsc->priv->ops_xml, PCMK_XE_OP, NULL, NULL); operation != NULL; operation = pcmk__xe_next_same(operation)) { bool enabled = false; guint interval_ms = 0U; const char *interval_spec = crm_element_value(operation, PCMK_META_INTERVAL); // We only care about enabled recurring monitors if (!pcmk__str_eq(crm_element_value(operation, PCMK_XA_NAME), PCMK_ACTION_MONITOR, pcmk__str_none)) { continue; } pcmk_parse_interval_spec(interval_spec, &interval_ms); if (interval_ms == 0U) { continue; } // @TODO This does not consider meta-attributes, rules, defaults, etc. if ((pcmk__xe_get_bool_attr(operation, PCMK_META_ENABLED, &enabled) == pcmk_rc_ok) && !enabled) { continue; } if (interval_ms < min_interval_ms) { min_interval_ms = interval_ms; op = operation; } } return op; } /*! * \internal * \brief Unpack action meta-attributes * * \param[in,out] rsc Resource that action is for * \param[in] node Node that action is on * \param[in] action_name Action name * \param[in] interval_ms Action interval (in milliseconds) * \param[in] action_config Action XML configuration from CIB (if any) * * Unpack a resource action's meta-attributes (normalizing the interval, * timeout, and start delay values as integer milliseconds) from its CIB XML * configuration (including defaults). * * \return Newly allocated hash table with normalized action meta-attributes */ GHashTable * pcmk__unpack_action_meta(pcmk_resource_t *rsc, const pcmk_node_t *node, const char *action_name, guint interval_ms, const xmlNode *action_config) { GHashTable *meta = NULL; const char *timeout_spec = NULL; const char *str = NULL; pe_rsc_eval_data_t rsc_rule_data = { .standard = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS), .provider = crm_element_value(rsc->priv->xml, PCMK_XA_PROVIDER), .agent = crm_element_value(rsc->priv->xml, PCMK_XA_TYPE), }; pe_op_eval_data_t op_rule_data = { .op_name = action_name, .interval = interval_ms, }; pe_rule_eval_data_t rule_data = { /* @COMPAT Support for node attribute expressions in operation * meta-attributes (whether in the operation configuration or operation * defaults) is deprecated. When we can break behavioral backward * compatibility, drop this line. */ .node_hash = (node == NULL)? NULL : node->priv->attrs, .now = rsc->priv->scheduler->priv->now, .match_data = NULL, .rsc_data = &rsc_rule_data, .op_data = &op_rule_data, }; meta = pcmk__strkey_table(free, free); // Cluster-wide pe__unpack_dataset_nvpairs(rsc->priv->scheduler->op_defaults, PCMK_XE_META_ATTRIBUTES, &rule_data, meta, NULL, FALSE, rsc->priv->scheduler); // Derive default timeout for probes from recurring monitor timeouts if (pcmk_is_probe(action_name, interval_ms)) { xmlNode *min_interval_mon = most_frequent_monitor(rsc); if (min_interval_mon != NULL) { /* @TODO This does not consider timeouts set in * PCMK_XE_META_ATTRIBUTES blocks (which may also have rules that * need to be evaluated). */ timeout_spec = crm_element_value(min_interval_mon, PCMK_META_TIMEOUT); if (timeout_spec != NULL) { pcmk__rsc_trace(rsc, "Setting default timeout for %s probe to " "most frequent monitor's timeout '%s'", rsc->id, timeout_spec); pcmk__insert_dup(meta, PCMK_META_TIMEOUT, timeout_spec); } } } if (action_config != NULL) { // take precedence over defaults pe__unpack_dataset_nvpairs(action_config, PCMK_XE_META_ATTRIBUTES, &rule_data, meta, NULL, TRUE, rsc->priv->scheduler); /* Anything set as an XML property has highest precedence. * This ensures we use the name and interval from the tag. * (See below for the only exception, fence device start/probe timeout.) */ for (xmlAttrPtr attr = action_config->properties; attr != NULL; attr = attr->next) { pcmk__insert_dup(meta, (const char *) attr->name, pcmk__xml_attr_value(attr)); } } g_hash_table_remove(meta, PCMK_XA_ID); // Normalize interval to milliseconds if (interval_ms > 0) { g_hash_table_insert(meta, pcmk__str_copy(PCMK_META_INTERVAL), crm_strdup_printf("%u", interval_ms)); } else { g_hash_table_remove(meta, PCMK_META_INTERVAL); } /* Timeout order of precedence (highest to lowest): * 1. pcmk_monitor_timeout resource parameter (only for starts and probes * when rsc has pcmk_ra_cap_fence_params; this gets used for recurring * monitors via the executor instead) * 2. timeout configured in (with taking precedence over * ) * 3. timeout configured in * 4. PCMK_DEFAULT_ACTION_TIMEOUT_MS */ // Check for pcmk_monitor_timeout if (pcmk_is_set(pcmk_get_ra_caps(rsc_rule_data.standard), pcmk_ra_cap_fence_params) && (pcmk__str_eq(action_name, PCMK_ACTION_START, pcmk__str_none) || pcmk_is_probe(action_name, interval_ms))) { GHashTable *params = pe_rsc_params(rsc, node, rsc->priv->scheduler); timeout_spec = g_hash_table_lookup(params, "pcmk_monitor_timeout"); if (timeout_spec != NULL) { pcmk__rsc_trace(rsc, "Setting timeout for %s %s to " "pcmk_monitor_timeout (%s)", rsc->id, action_name, timeout_spec); pcmk__insert_dup(meta, PCMK_META_TIMEOUT, timeout_spec); } } // Normalize timeout to positive milliseconds timeout_spec = g_hash_table_lookup(meta, PCMK_META_TIMEOUT); g_hash_table_insert(meta, pcmk__str_copy(PCMK_META_TIMEOUT), pcmk__itoa(unpack_timeout(timeout_spec))); // Ensure on-fail has a valid value validate_on_fail(rsc, action_name, action_config, meta); // Normalize PCMK_META_START_DELAY str = g_hash_table_lookup(meta, PCMK_META_START_DELAY); if (str != NULL) { unpack_start_delay(str, meta); } else { long long start_delay = 0; str = g_hash_table_lookup(meta, PCMK_META_INTERVAL_ORIGIN); if (unpack_interval_origin(str, action_config, interval_ms, rsc->priv->scheduler->priv->now, &start_delay)) { g_hash_table_insert(meta, pcmk__str_copy(PCMK_META_START_DELAY), crm_strdup_printf("%lld", start_delay)); } } return meta; } /*! * \internal * \brief Determine an action's quorum and fencing dependency * * \param[in] rsc Resource that action is for * \param[in] action_name Name of action being unpacked * * \return Quorum and fencing dependency appropriate to action */ enum pcmk__requires pcmk__action_requires(const pcmk_resource_t *rsc, const char *action_name) { const char *value = NULL; enum pcmk__requires requires = pcmk__requires_nothing; CRM_CHECK((rsc != NULL) && (action_name != NULL), return requires); if (!pcmk__strcase_any_of(action_name, PCMK_ACTION_START, PCMK_ACTION_PROMOTE, NULL)) { value = "nothing (not start or promote)"; } else if (pcmk_is_set(rsc->flags, pcmk__rsc_needs_fencing)) { requires = pcmk__requires_fencing; value = "fencing"; } else if (pcmk_is_set(rsc->flags, pcmk__rsc_needs_quorum)) { requires = pcmk__requires_quorum; value = "quorum"; } else { value = "nothing"; } pcmk__rsc_trace(rsc, "%s of %s requires %s", action_name, rsc->id, value); return requires; } /*! * \internal * \brief Parse action failure response from a user-provided string * * \param[in] rsc Resource that action is for * \param[in] action_name Name of action * \param[in] interval_ms Action interval (in milliseconds) * \param[in] value User-provided configuration value for on-fail * * \return Action failure response parsed from \p text */ enum pcmk__on_fail pcmk__parse_on_fail(const pcmk_resource_t *rsc, const char *action_name, guint interval_ms, const char *value) { const char *desc = NULL; bool needs_remote_reset = false; enum pcmk__on_fail on_fail = pcmk__on_fail_ignore; const pcmk_scheduler_t *scheduler = NULL; // There's no enum value for unknown or invalid, so assert CRM_ASSERT((rsc != NULL) && (action_name != NULL)); scheduler = rsc->priv->scheduler; if (value == NULL) { // Use default } else if (pcmk__str_eq(value, PCMK_VALUE_BLOCK, pcmk__str_casei)) { on_fail = pcmk__on_fail_block; desc = "block"; } else if (pcmk__str_eq(value, PCMK_VALUE_FENCE, pcmk__str_casei)) { if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { on_fail = pcmk__on_fail_fence_node; desc = "node fencing"; } else { pcmk__config_err("Resetting '" PCMK_META_ON_FAIL "' for " "%s of %s to 'stop' because 'fence' is not " "valid when fencing is disabled", action_name, rsc->id); on_fail = pcmk__on_fail_stop; desc = "stop resource"; } } else if (pcmk__str_eq(value, PCMK_VALUE_STANDBY, pcmk__str_casei)) { on_fail = pcmk__on_fail_standby_node; desc = "node standby"; } else if (pcmk__strcase_any_of(value, PCMK_VALUE_IGNORE, PCMK_VALUE_NOTHING, NULL)) { desc = "ignore"; } else if (pcmk__str_eq(value, "migrate", pcmk__str_casei)) { on_fail = pcmk__on_fail_ban; desc = "force migration"; } else if (pcmk__str_eq(value, PCMK_VALUE_STOP, pcmk__str_casei)) { on_fail = pcmk__on_fail_stop; desc = "stop resource"; } else if (pcmk__str_eq(value, PCMK_VALUE_RESTART, pcmk__str_casei)) { on_fail = pcmk__on_fail_restart; desc = "restart (and possibly migrate)"; } else if (pcmk__str_eq(value, PCMK_VALUE_RESTART_CONTAINER, pcmk__str_casei)) { if (rsc->priv->launcher == NULL) { pcmk__rsc_debug(rsc, "Using default " PCMK_META_ON_FAIL " for %s " "of %s because it does not have a launcher", action_name, rsc->id); } else { on_fail = pcmk__on_fail_restart_container; desc = "restart container (and possibly migrate)"; } } else if (pcmk__str_eq(value, PCMK_VALUE_DEMOTE, pcmk__str_casei)) { on_fail = pcmk__on_fail_demote; desc = "demote instance"; } else { pcmk__config_err("Using default '" PCMK_META_ON_FAIL "' for " "%s of %s because '%s' is not valid", action_name, rsc->id, value); } /* Remote node connections are handled specially. Failures that result * in dropping an active connection must result in fencing. The only * failures that don't are probes and starts. The user can explicitly set * PCMK_META_ON_FAIL=PCMK_VALUE_FENCE to fence after start failures. */ if (pcmk_is_set(rsc->flags, pcmk__rsc_is_remote_connection) && pcmk__is_remote_node(pcmk_find_node(scheduler, rsc->id)) && !pcmk_is_probe(action_name, interval_ms) && !pcmk__str_eq(action_name, PCMK_ACTION_START, pcmk__str_none)) { needs_remote_reset = true; if (!pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { desc = NULL; // Force default for unmanaged connections } } if (desc != NULL) { // Explicit value used, default not needed } else if (rsc->priv->launcher != NULL) { on_fail = pcmk__on_fail_restart_container; desc = "restart container (and possibly migrate) (default)"; } else if (needs_remote_reset) { if (pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { desc = "fence remote node (default)"; } else { desc = "recover remote node connection (default)"; } on_fail = pcmk__on_fail_reset_remote; } else { on_fail = pcmk__on_fail_stop; desc = "stop unmanaged remote node (enforcing default)"; } } else if (pcmk__str_eq(action_name, PCMK_ACTION_STOP, pcmk__str_none)) { if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { on_fail = pcmk__on_fail_fence_node; desc = "resource fence (default)"; } else { on_fail = pcmk__on_fail_block; desc = "resource block (default)"; } } else { on_fail = pcmk__on_fail_restart; desc = "restart (and possibly migrate) (default)"; } pcmk__rsc_trace(rsc, "Failure handling for %s-interval %s of %s: %s", pcmk__readable_interval(interval_ms), action_name, rsc->id, desc); return on_fail; } /*! * \internal * \brief Determine a resource's role after failure of an action * * \param[in] rsc Resource that action is for * \param[in] action_name Action name * \param[in] on_fail Failure handling for action * \param[in] meta Unpacked action meta-attributes * * \return Resource role that results from failure of action */ enum rsc_role_e pcmk__role_after_failure(const pcmk_resource_t *rsc, const char *action_name, enum pcmk__on_fail on_fail, GHashTable *meta) { const char *value = NULL; enum rsc_role_e role = pcmk_role_unknown; // Set default for role after failure specially in certain circumstances switch (on_fail) { case pcmk__on_fail_stop: role = pcmk_role_stopped; break; case pcmk__on_fail_reset_remote: if (rsc->priv->remote_reconnect_ms != 0U) { role = pcmk_role_stopped; } break; default: break; } // @COMPAT Check for explicitly configured role (deprecated) value = g_hash_table_lookup(meta, PCMK__META_ROLE_AFTER_FAILURE); if (value != NULL) { pcmk__warn_once(pcmk__wo_role_after, "Support for " PCMK__META_ROLE_AFTER_FAILURE " is " "deprecated and will be removed in a future release"); if (role == pcmk_role_unknown) { role = pcmk_parse_role(value); if (role == pcmk_role_unknown) { pcmk__config_err("Ignoring invalid value %s for " PCMK__META_ROLE_AFTER_FAILURE, value); } } } if (role == pcmk_role_unknown) { // Use default if (pcmk__str_eq(action_name, PCMK_ACTION_PROMOTE, pcmk__str_none)) { role = pcmk_role_unpromoted; } else { role = pcmk_role_started; } } pcmk__rsc_trace(rsc, "Role after %s %s failure is: %s", rsc->id, action_name, pcmk_role_text(role)); return role; } /*! * \internal * \brief Unpack action configuration * * Unpack a resource action's meta-attributes (normalizing the interval, * timeout, and start delay values as integer milliseconds), requirements, and * failure policy from its CIB XML configuration (including defaults). * * \param[in,out] action Resource action to unpack into * \param[in] xml_obj Action configuration XML (NULL for defaults only) * \param[in] interval_ms How frequently to perform the operation */ static void unpack_operation(pcmk_action_t *action, const xmlNode *xml_obj, guint interval_ms) { const char *value = NULL; action->meta = pcmk__unpack_action_meta(action->rsc, action->node, action->task, interval_ms, xml_obj); action->needs = pcmk__action_requires(action->rsc, action->task); value = g_hash_table_lookup(action->meta, PCMK_META_ON_FAIL); action->on_fail = pcmk__parse_on_fail(action->rsc, action->task, interval_ms, value); action->fail_role = pcmk__role_after_failure(action->rsc, action->task, action->on_fail, action->meta); } /*! * \brief Create or update an action object * * \param[in,out] rsc Resource that action is for (if any) * \param[in,out] key Action key (must be non-NULL) * \param[in] task Action name (must be non-NULL) * \param[in] on_node Node that action is on (if any) * \param[in] optional Whether action should be considered optional * \param[in,out] scheduler Scheduler data * * \return Action object corresponding to arguments (guaranteed not to be * \c NULL) * \note This function takes ownership of (and might free) \p key, and * \p scheduler takes ownership of the returned action (the caller should * not free it). */ pcmk_action_t * custom_action(pcmk_resource_t *rsc, char *key, const char *task, const pcmk_node_t *on_node, gboolean optional, pcmk_scheduler_t *scheduler) { pcmk_action_t *action = NULL; CRM_ASSERT((key != NULL) && (task != NULL) && (scheduler != NULL)); action = find_existing_action(key, rsc, on_node, scheduler); if (action == NULL) { action = new_action(key, task, rsc, on_node, optional, scheduler); } else { free(key); } update_action_optional(action, optional); if (rsc != NULL) { /* An action can be initially created with a NULL node, and later have * the node added via find_existing_action() (above) -> find_actions(). * That is why the extra parameters are unpacked here rather than in * new_action(). */ if ((action->node != NULL) && (action->op_entry != NULL) && !pcmk_is_set(action->flags, pcmk__action_attrs_evaluated)) { GHashTable *attrs = action->node->priv->attrs; if (action->extra != NULL) { g_hash_table_destroy(action->extra); } action->extra = pcmk__unpack_action_rsc_params(action->op_entry, attrs, scheduler); pcmk__set_action_flags(action, pcmk__action_attrs_evaluated); } update_resource_action_runnable(action, scheduler); } if (action->extra == NULL) { action->extra = pcmk__strkey_table(free, free); } return action; } pcmk_action_t * get_pseudo_op(const char *name, pcmk_scheduler_t *scheduler) { pcmk_action_t *op = lookup_singleton(scheduler, name); if (op == NULL) { op = custom_action(NULL, strdup(name), name, NULL, TRUE, scheduler); pcmk__set_action_flags(op, pcmk__action_pseudo|pcmk__action_runnable); } return op; } static GList * find_unfencing_devices(GList *candidates, GList *matches) { for (GList *gIter = candidates; gIter != NULL; gIter = gIter->next) { pcmk_resource_t *candidate = gIter->data; if (candidate->priv->children != NULL) { matches = find_unfencing_devices(candidate->priv->children, matches); } else if (!pcmk_is_set(candidate->flags, pcmk__rsc_fence_device)) { continue; } else if (pcmk_is_set(candidate->flags, pcmk__rsc_needs_unfencing)) { matches = g_list_prepend(matches, candidate); } else if (pcmk__str_eq(g_hash_table_lookup(candidate->priv->meta, PCMK_STONITH_PROVIDES), PCMK_VALUE_UNFENCING, pcmk__str_casei)) { matches = g_list_prepend(matches, candidate); } } return matches; } static int node_priority_fencing_delay(const pcmk_node_t *node, const pcmk_scheduler_t *scheduler) { int member_count = 0; int online_count = 0; int top_priority = 0; int lowest_priority = 0; GList *gIter = NULL; // PCMK_OPT_PRIORITY_FENCING_DELAY is disabled if (scheduler->priority_fencing_delay <= 0) { return 0; } /* No need to request a delay if the fencing target is not a normal cluster * member, for example if it's a remote node or a guest node. */ if (node->priv->variant != pcmk__node_variant_cluster) { return 0; } // No need to request a delay if the fencing target is in our partition if (node->details->online) { return 0; } for (gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *n = gIter->data; if (n->priv->variant != pcmk__node_variant_cluster) { continue; } member_count ++; if (n->details->online) { online_count++; } if (member_count == 1 || n->priv->priority > top_priority) { top_priority = n->priv->priority; } if (member_count == 1 || n->priv->priority < lowest_priority) { lowest_priority = n->priv->priority; } } // No need to delay if we have more than half of the cluster members if (online_count > member_count / 2) { return 0; } /* All the nodes have equal priority. * Any configured corresponding `pcmk_delay_base/max` will be applied. */ if (lowest_priority == top_priority) { return 0; } if (node->priv->priority < top_priority) { return 0; } return scheduler->priority_fencing_delay; } pcmk_action_t * pe_fence_op(pcmk_node_t *node, const char *op, bool optional, const char *reason, bool priority_delay, pcmk_scheduler_t *scheduler) { char *op_key = NULL; pcmk_action_t *stonith_op = NULL; if(op == NULL) { op = scheduler->priv->fence_action; } op_key = crm_strdup_printf("%s-%s-%s", PCMK_ACTION_STONITH, node->priv->name, op); stonith_op = lookup_singleton(scheduler, op_key); if(stonith_op == NULL) { stonith_op = custom_action(NULL, op_key, PCMK_ACTION_STONITH, node, TRUE, scheduler); pcmk__insert_meta(stonith_op, PCMK__META_ON_NODE, node->priv->name); pcmk__insert_meta(stonith_op, PCMK__META_ON_NODE_UUID, node->priv->id); pcmk__insert_meta(stonith_op, PCMK__META_STONITH_ACTION, op); if (pcmk_is_set(scheduler->flags, pcmk__sched_enable_unfencing)) { /* Extra work to detect device changes */ GString *digests_all = g_string_sized_new(1024); GString *digests_secure = g_string_sized_new(1024); - GList *matches = find_unfencing_devices(scheduler->resources, NULL); + GList *matches = find_unfencing_devices(scheduler->priv->resources, + NULL); for (GList *gIter = matches; gIter != NULL; gIter = gIter->next) { pcmk_resource_t *match = gIter->data; const char *agent = g_hash_table_lookup(match->priv->meta, PCMK_XA_TYPE); pcmk__op_digest_t *data = NULL; data = pe__compare_fencing_digest(match, agent, node, scheduler); if (data->rc == pcmk__digest_mismatch) { optional = FALSE; crm_notice("Unfencing node %s because the definition of " "%s changed", pcmk__node_name(node), match->id); if (!pcmk__is_daemon && (scheduler->priv->out != NULL)) { pcmk__output_t *out = scheduler->priv->out; out->info(out, "notice: Unfencing node %s because the " "definition of %s changed", pcmk__node_name(node), match->id); } } pcmk__g_strcat(digests_all, match->id, ":", agent, ":", data->digest_all_calc, ",", NULL); pcmk__g_strcat(digests_secure, match->id, ":", agent, ":", data->digest_secure_calc, ",", NULL); } pcmk__insert_dup(stonith_op->meta, PCMK__META_DIGESTS_ALL, digests_all->str); g_string_free(digests_all, TRUE); pcmk__insert_dup(stonith_op->meta, PCMK__META_DIGESTS_SECURE, digests_secure->str); g_string_free(digests_secure, TRUE); } } else { free(op_key); } if (scheduler->priority_fencing_delay > 0 /* It's a suitable case where PCMK_OPT_PRIORITY_FENCING_DELAY * applies. At least add PCMK_OPT_PRIORITY_FENCING_DELAY field as * an indicator. */ && (priority_delay /* The priority delay needs to be recalculated if this function has * been called by schedule_fencing_and_shutdowns() after node * priority has already been calculated by native_add_running(). */ || g_hash_table_lookup(stonith_op->meta, PCMK_OPT_PRIORITY_FENCING_DELAY) != NULL)) { /* Add PCMK_OPT_PRIORITY_FENCING_DELAY to the fencing op even if * it's 0 for the targeting node. So that it takes precedence over * any possible `pcmk_delay_base/max`. */ char *delay_s = pcmk__itoa(node_priority_fencing_delay(node, scheduler)); g_hash_table_insert(stonith_op->meta, strdup(PCMK_OPT_PRIORITY_FENCING_DELAY), delay_s); } if(optional == FALSE && pe_can_fence(scheduler, node)) { pcmk__clear_action_flags(stonith_op, pcmk__action_optional); pe_action_set_reason(stonith_op, reason, false); } else if(reason && stonith_op->reason == NULL) { stonith_op->reason = strdup(reason); } return stonith_op; } void pe_free_action(pcmk_action_t *action) { if (action == NULL) { return; } g_list_free_full(action->actions_before, free); g_list_free_full(action->actions_after, free); if (action->extra) { g_hash_table_destroy(action->extra); } if (action->meta) { g_hash_table_destroy(action->meta); } free(action->cancel_task); free(action->reason); free(action->task); free(action->uuid); free(action->node); free(action); } enum pcmk__action_type get_complex_task(const pcmk_resource_t *rsc, const char *name) { enum pcmk__action_type task = pcmk__parse_action(name); if (pcmk__is_primitive(rsc)) { switch (task) { case pcmk__action_stopped: case pcmk__action_started: case pcmk__action_demoted: case pcmk__action_promoted: crm_trace("Folding %s back into its atomic counterpart for %s", name, rsc->id); --task; break; default: break; } } return task; } /*! * \internal * \brief Find first matching action in a list * * \param[in] input List of actions to search * \param[in] uuid If not NULL, action must have this UUID * \param[in] task If not NULL, action must have this action name * \param[in] on_node If not NULL, action must be on this node * * \return First action in list that matches criteria, or NULL if none */ pcmk_action_t * find_first_action(const GList *input, const char *uuid, const char *task, const pcmk_node_t *on_node) { CRM_CHECK(uuid || task, return NULL); for (const GList *gIter = input; gIter != NULL; gIter = gIter->next) { pcmk_action_t *action = (pcmk_action_t *) gIter->data; if (uuid != NULL && !pcmk__str_eq(uuid, action->uuid, pcmk__str_casei)) { continue; } else if (task != NULL && !pcmk__str_eq(task, action->task, pcmk__str_casei)) { continue; } else if (on_node == NULL) { return action; } else if (action->node == NULL) { continue; } else if (pcmk__same_node(on_node, action->node)) { return action; } } return NULL; } GList * find_actions(GList *input, const char *key, const pcmk_node_t *on_node) { GList *gIter = input; GList *result = NULL; CRM_CHECK(key != NULL, return NULL); for (; gIter != NULL; gIter = gIter->next) { pcmk_action_t *action = (pcmk_action_t *) gIter->data; if (!pcmk__str_eq(key, action->uuid, pcmk__str_casei)) { continue; } else if (on_node == NULL) { crm_trace("Action %s matches (ignoring node)", key); result = g_list_prepend(result, action); } else if (action->node == NULL) { crm_trace("Action %s matches (unallocated, assigning to %s)", key, pcmk__node_name(on_node)); action->node = pe__copy_node(on_node); result = g_list_prepend(result, action); } else if (pcmk__same_node(on_node, action->node)) { crm_trace("Action %s on %s matches", key, pcmk__node_name(on_node)); result = g_list_prepend(result, action); } } return result; } GList * find_actions_exact(GList *input, const char *key, const pcmk_node_t *on_node) { GList *result = NULL; CRM_CHECK(key != NULL, return NULL); if (on_node == NULL) { return NULL; } for (GList *gIter = input; gIter != NULL; gIter = gIter->next) { pcmk_action_t *action = (pcmk_action_t *) gIter->data; if ((action->node != NULL) && pcmk__str_eq(key, action->uuid, pcmk__str_casei) && pcmk__same_node(on_node, action->node)) { crm_trace("Action %s on %s matches", key, pcmk__node_name(on_node)); result = g_list_prepend(result, action); } } return result; } /*! * \brief Find all actions of given type for a resource * * \param[in] rsc Resource to search * \param[in] node Find only actions scheduled on this node * \param[in] task Action name to search for * \param[in] require_node If TRUE, NULL node or action node will not match * * \return List of actions found (or NULL if none) * \note If node is not NULL and require_node is FALSE, matching actions * without a node will be assigned to node. */ GList * pe__resource_actions(const pcmk_resource_t *rsc, const pcmk_node_t *node, const char *task, bool require_node) { GList *result = NULL; char *key = pcmk__op_key(rsc->id, task, 0); if (require_node) { result = find_actions_exact(rsc->priv->actions, key, node); } else { result = find_actions(rsc->priv->actions, key, node); } free(key); return result; } /*! * \internal * \brief Create an action reason string based on the action itself * * \param[in] action Action to create reason string for * \param[in] flag Action flag that was cleared * * \return Newly allocated string suitable for use as action reason * \note It is the caller's responsibility to free() the result. */ char * pe__action2reason(const pcmk_action_t *action, enum pcmk__action_flags flag) { const char *change = NULL; switch (flag) { case pcmk__action_runnable: change = "unrunnable"; break; case pcmk__action_migratable: change = "unmigrateable"; break; case pcmk__action_optional: change = "required"; break; default: // Bug: caller passed unsupported flag CRM_CHECK(change != NULL, change = ""); break; } return crm_strdup_printf("%s%s%s %s", change, (action->rsc == NULL)? "" : " ", (action->rsc == NULL)? "" : action->rsc->id, action->task); } void pe_action_set_reason(pcmk_action_t *action, const char *reason, bool overwrite) { if (action->reason != NULL && overwrite) { pcmk__rsc_trace(action->rsc, "Changing %s reason from '%s' to '%s'", action->uuid, action->reason, pcmk__s(reason, "(none)")); } else if (action->reason == NULL) { pcmk__rsc_trace(action->rsc, "Set %s reason to '%s'", action->uuid, pcmk__s(reason, "(none)")); } else { // crm_assert(action->reason != NULL && !overwrite); return; } pcmk__str_update(&action->reason, reason); } /*! * \internal * \brief Create an action to clear a resource's history from CIB * * \param[in,out] rsc Resource to clear * \param[in] node Node to clear history on */ void pe__clear_resource_history(pcmk_resource_t *rsc, const pcmk_node_t *node) { CRM_ASSERT((rsc != NULL) && (node != NULL)); custom_action(rsc, pcmk__op_key(rsc->id, PCMK_ACTION_LRM_DELETE, 0), PCMK_ACTION_LRM_DELETE, node, FALSE, rsc->priv->scheduler); } #define sort_return(an_int, why) do { \ free(a_uuid); \ free(b_uuid); \ crm_trace("%s (%d) %c %s (%d) : %s", \ a_xml_id, a_call_id, an_int>0?'>':an_int<0?'<':'=', \ b_xml_id, b_call_id, why); \ return an_int; \ } while(0) int pe__is_newer_op(const xmlNode *xml_a, const xmlNode *xml_b) { int a_call_id = -1; int b_call_id = -1; char *a_uuid = NULL; char *b_uuid = NULL; const char *a_xml_id = crm_element_value(xml_a, PCMK_XA_ID); const char *b_xml_id = crm_element_value(xml_b, PCMK_XA_ID); const char *a_node = crm_element_value(xml_a, PCMK__META_ON_NODE); const char *b_node = crm_element_value(xml_b, PCMK__META_ON_NODE); bool same_node = pcmk__str_eq(a_node, b_node, pcmk__str_casei); if (same_node && pcmk__str_eq(a_xml_id, b_xml_id, pcmk__str_none)) { /* We have duplicate PCMK__XE_LRM_RSC_OP entries in the status * section which is unlikely to be a good thing * - we can handle it easily enough, but we need to get * to the bottom of why it's happening. */ pcmk__config_err("Duplicate " PCMK__XE_LRM_RSC_OP " entries named %s", a_xml_id); sort_return(0, "duplicate"); } crm_element_value_int(xml_a, PCMK__XA_CALL_ID, &a_call_id); crm_element_value_int(xml_b, PCMK__XA_CALL_ID, &b_call_id); if (a_call_id == -1 && b_call_id == -1) { /* both are pending ops so it doesn't matter since * stops are never pending */ sort_return(0, "pending"); } else if (same_node && a_call_id >= 0 && a_call_id < b_call_id) { sort_return(-1, "call id"); } else if (same_node && b_call_id >= 0 && a_call_id > b_call_id) { sort_return(1, "call id"); } else if (a_call_id >= 0 && b_call_id >= 0 && (!same_node || a_call_id == b_call_id)) { /* The op and last_failed_op are the same. Order on * PCMK_XA_LAST_RC_CHANGE. */ time_t last_a = -1; time_t last_b = -1; crm_element_value_epoch(xml_a, PCMK_XA_LAST_RC_CHANGE, &last_a); crm_element_value_epoch(xml_b, PCMK_XA_LAST_RC_CHANGE, &last_b); crm_trace("rc-change: %lld vs %lld", (long long) last_a, (long long) last_b); if (last_a >= 0 && last_a < last_b) { sort_return(-1, "rc-change"); } else if (last_b >= 0 && last_a > last_b) { sort_return(1, "rc-change"); } sort_return(0, "rc-change"); } else { /* One of the inputs is a pending operation. * Attempt to use PCMK__XA_TRANSITION_MAGIC to determine its age relative * to the other. */ int a_id = -1; int b_id = -1; const char *a_magic = crm_element_value(xml_a, PCMK__XA_TRANSITION_MAGIC); const char *b_magic = crm_element_value(xml_b, PCMK__XA_TRANSITION_MAGIC); CRM_CHECK(a_magic != NULL && b_magic != NULL, sort_return(0, "No magic")); if (!decode_transition_magic(a_magic, &a_uuid, &a_id, NULL, NULL, NULL, NULL)) { sort_return(0, "bad magic a"); } if (!decode_transition_magic(b_magic, &b_uuid, &b_id, NULL, NULL, NULL, NULL)) { sort_return(0, "bad magic b"); } /* try to determine the relative age of the operation... * some pending operations (e.g. a start) may have been superseded * by a subsequent stop * * [a|b]_id == -1 means it's a shutdown operation and _always_ comes last */ if (!pcmk__str_eq(a_uuid, b_uuid, pcmk__str_casei) || a_id == b_id) { /* * some of the logic in here may be redundant... * * if the UUID from the TE doesn't match then one better * be a pending operation. * pending operations don't survive between elections and joins * because we query the LRM directly */ if (b_call_id == -1) { sort_return(-1, "transition + call"); } else if (a_call_id == -1) { sort_return(1, "transition + call"); } } else if ((a_id >= 0 && a_id < b_id) || b_id == -1) { sort_return(-1, "transition"); } else if ((b_id >= 0 && a_id > b_id) || a_id == -1) { sort_return(1, "transition"); } } /* we should never end up here */ CRM_CHECK(FALSE, sort_return(0, "default")); } gint sort_op_by_callid(gconstpointer a, gconstpointer b) { return pe__is_newer_op((const xmlNode *) a, (const xmlNode *) b); } /*! * \internal * \brief Create a new pseudo-action for a resource * * \param[in,out] rsc Resource to create action for * \param[in] task Action name * \param[in] optional Whether action should be considered optional * \param[in] runnable Whethe action should be considered runnable * * \return New action object corresponding to arguments */ pcmk_action_t * pe__new_rsc_pseudo_action(pcmk_resource_t *rsc, const char *task, bool optional, bool runnable) { pcmk_action_t *action = NULL; CRM_ASSERT((rsc != NULL) && (task != NULL)); action = custom_action(rsc, pcmk__op_key(rsc->id, task, 0), task, NULL, optional, rsc->priv->scheduler); pcmk__set_action_flags(action, pcmk__action_pseudo); if (runnable) { pcmk__set_action_flags(action, pcmk__action_runnable); } return action; } /*! * \internal * \brief Add the expected result to an action * * \param[in,out] action Action to add expected result to * \param[in] expected_result Expected result to add * * \note This is more efficient than calling pcmk__insert_meta(). */ void pe__add_action_expected_result(pcmk_action_t *action, int expected_result) { CRM_ASSERT((action != NULL) && (action->meta != NULL)); g_hash_table_insert(action->meta, pcmk__str_copy(PCMK__META_OP_TARGET_RC), pcmk__itoa(expected_result)); } diff --git a/lib/pengine/pe_output.c b/lib/pengine/pe_output.c index 3d5ce29970..550efee938 100644 --- a/lib/pengine/pe_output.c +++ b/lib/pengine/pe_output.c @@ -1,3460 +1,3463 @@ /* * Copyright 2019-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include const char * pe__resource_description(const pcmk_resource_t *rsc, uint32_t show_opts) { const char * desc = NULL; // User-supplied description if (pcmk_any_flags_set(show_opts, pcmk_show_rsc_only|pcmk_show_description)) { desc = crm_element_value(rsc->priv->xml, PCMK_XA_DESCRIPTION); } return desc; } /* Never display node attributes whose name starts with one of these prefixes */ #define FILTER_STR { PCMK__FAIL_COUNT_PREFIX, PCMK__LAST_FAILURE_PREFIX, \ PCMK__NODE_ATTR_SHUTDOWN, PCMK_NODE_ATTR_TERMINATE, \ PCMK_NODE_ATTR_STANDBY, "#", NULL } static int compare_attribute(gconstpointer a, gconstpointer b) { int rc; rc = strcmp((const char *)a, (const char *)b); return rc; } /*! * \internal * \brief Determine whether extended information about an attribute should be added. * * \param[in] node Node that ran this resource * \param[in,out] rsc_list List of resources for this node * \param[in,out] scheduler Scheduler data * \param[in] attrname Attribute to find * \param[out] expected_score Expected value for this attribute * * \return true if extended information should be printed, false otherwise * \note Currently, extended information is only supported for ping/pingd * resources, for which a message will be printed if connectivity is lost * or degraded. */ static bool add_extra_info(const pcmk_node_t *node, GList *rsc_list, pcmk_scheduler_t *scheduler, const char *attrname, int *expected_score) { GList *gIter = NULL; for (gIter = rsc_list; gIter != NULL; gIter = gIter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data; const char *type = g_hash_table_lookup(rsc->priv->meta, PCMK_XA_TYPE); const char *name = NULL; GHashTable *params = NULL; if (rsc->priv->children != NULL) { if (add_extra_info(node, rsc->priv->children, scheduler, attrname, expected_score)) { return true; } } if (!pcmk__strcase_any_of(type, "ping", "pingd", NULL)) { continue; } params = pe_rsc_params(rsc, node, scheduler); name = g_hash_table_lookup(params, PCMK_XA_NAME); if (name == NULL) { name = "pingd"; } /* To identify the resource with the attribute name. */ if (pcmk__str_eq(name, attrname, pcmk__str_casei)) { int host_list_num = 0; const char *hosts = g_hash_table_lookup(params, "host_list"); const char *multiplier = g_hash_table_lookup(params, "multiplier"); int multiplier_i; if (hosts) { char **host_list = g_strsplit(hosts, " ", 0); host_list_num = g_strv_length(host_list); g_strfreev(host_list); } if ((multiplier == NULL) || (pcmk__scan_min_int(multiplier, &multiplier_i, INT_MIN) != pcmk_rc_ok)) { /* The ocf:pacemaker:ping resource agent defaults multiplier to * 1. The agent currently does not handle invalid text, but it * should, and this would be a reasonable choice ... */ multiplier_i = 1; } *expected_score = host_list_num * multiplier_i; return true; } } return false; } static GList * filter_attr_list(GList *attr_list, char *name) { int i; const char *filt_str[] = FILTER_STR; CRM_CHECK(name != NULL, return attr_list); /* filtering automatic attributes */ for (i = 0; filt_str[i] != NULL; i++) { if (g_str_has_prefix(name, filt_str[i])) { return attr_list; } } return g_list_insert_sorted(attr_list, name, compare_attribute); } static GList * get_operation_list(xmlNode *rsc_entry) { GList *op_list = NULL; xmlNode *rsc_op = NULL; for (rsc_op = pcmk__xe_first_child(rsc_entry, NULL, NULL, NULL); rsc_op != NULL; rsc_op = pcmk__xe_next(rsc_op)) { const char *task = crm_element_value(rsc_op, PCMK_XA_OPERATION); const char *interval_ms_s = crm_element_value(rsc_op, PCMK_META_INTERVAL); const char *op_rc = crm_element_value(rsc_op, PCMK__XA_RC_CODE); int op_rc_i; pcmk__scan_min_int(op_rc, &op_rc_i, 0); /* Display 0-interval monitors as "probe" */ if (pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei) && pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches | pcmk__str_casei)) { task = "probe"; } /* Ignore notifies and some probes */ if (pcmk__str_eq(task, PCMK_ACTION_NOTIFY, pcmk__str_none) || (pcmk__str_eq(task, "probe", pcmk__str_none) && (op_rc_i == CRM_EX_NOT_RUNNING))) { continue; } if (pcmk__xe_is(rsc_op, PCMK__XE_LRM_RSC_OP)) { op_list = g_list_append(op_list, rsc_op); } } op_list = g_list_sort(op_list, sort_op_by_callid); return op_list; } static void add_dump_node(gpointer key, gpointer value, gpointer user_data) { xmlNodePtr node = user_data; node = pcmk__xe_create(node, (const char *) key); pcmk__xe_set_content(node, "%s", (const char *) value); } static void append_dump_text(gpointer key, gpointer value, gpointer user_data) { char **dump_text = user_data; char *new_text = crm_strdup_printf("%s %s=%s", *dump_text, (char *)key, (char *)value); free(*dump_text); *dump_text = new_text; } #define XPATH_STACK "//" PCMK_XE_NVPAIR \ "[@" PCMK_XA_NAME "='" \ PCMK_OPT_CLUSTER_INFRASTRUCTURE "']" static const char * get_cluster_stack(pcmk_scheduler_t *scheduler) { xmlNode *stack = get_xpath_object(XPATH_STACK, scheduler->input, LOG_DEBUG); if (stack != NULL) { return crm_element_value(stack, PCMK_XA_VALUE); } return PCMK_VALUE_UNKNOWN; } static char * last_changed_string(const char *last_written, const char *user, const char *client, const char *origin) { if (last_written != NULL || user != NULL || client != NULL || origin != NULL) { return crm_strdup_printf("%s%s%s%s%s%s%s", last_written ? last_written : "", user ? " by " : "", user ? user : "", client ? " via " : "", client ? client : "", origin ? " on " : "", origin ? origin : ""); } else { return strdup(""); } } static char * op_history_string(xmlNode *xml_op, const char *task, const char *interval_ms_s, int rc, bool print_timing) { const char *call = crm_element_value(xml_op, PCMK__XA_CALL_ID); char *interval_str = NULL; char *buf = NULL; if (interval_ms_s && !pcmk__str_eq(interval_ms_s, "0", pcmk__str_casei)) { char *pair = pcmk__format_nvpair(PCMK_XA_INTERVAL, interval_ms_s, "ms"); interval_str = crm_strdup_printf(" %s", pair); free(pair); } if (print_timing) { char *last_change_str = NULL; char *exec_str = NULL; char *queue_str = NULL; const char *value = NULL; time_t epoch = 0; if ((crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &epoch) == pcmk_ok) && (epoch > 0)) { char *epoch_str = pcmk__epoch2str(&epoch, 0); last_change_str = crm_strdup_printf(" %s=\"%s\"", PCMK_XA_LAST_RC_CHANGE, pcmk__s(epoch_str, "")); free(epoch_str); } value = crm_element_value(xml_op, PCMK_XA_EXEC_TIME); if (value) { char *pair = pcmk__format_nvpair(PCMK_XA_EXEC_TIME, value, "ms"); exec_str = crm_strdup_printf(" %s", pair); free(pair); } value = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME); if (value) { char *pair = pcmk__format_nvpair(PCMK_XA_QUEUE_TIME, value, "ms"); queue_str = crm_strdup_printf(" %s", pair); free(pair); } buf = crm_strdup_printf("(%s) %s:%s%s%s%s rc=%d (%s)", call, task, interval_str ? interval_str : "", last_change_str ? last_change_str : "", exec_str ? exec_str : "", queue_str ? queue_str : "", rc, services_ocf_exitcode_str(rc)); if (last_change_str) { free(last_change_str); } if (exec_str) { free(exec_str); } if (queue_str) { free(queue_str); } } else { buf = crm_strdup_printf("(%s) %s%s%s", call, task, interval_str ? ":" : "", interval_str ? interval_str : ""); } if (interval_str) { free(interval_str); } return buf; } static char * resource_history_string(pcmk_resource_t *rsc, const char *rsc_id, bool all, int failcount, time_t last_failure) { char *buf = NULL; if (rsc == NULL) { buf = crm_strdup_printf("%s: orphan", rsc_id); } else if (all || failcount || last_failure > 0) { char *failcount_s = NULL; char *lastfail_s = NULL; if (failcount > 0) { failcount_s = crm_strdup_printf(" %s=%d", PCMK_XA_FAIL_COUNT, failcount); } else { failcount_s = strdup(""); } if (last_failure > 0) { buf = pcmk__epoch2str(&last_failure, 0); lastfail_s = crm_strdup_printf(" %s='%s'", PCMK_XA_LAST_FAILURE, buf); free(buf); } buf = crm_strdup_printf("%s: " PCMK_META_MIGRATION_THRESHOLD "=%d%s%s", rsc_id, rsc->priv->ban_after_failures, failcount_s, pcmk__s(lastfail_s, "")); free(failcount_s); free(lastfail_s); } else { buf = crm_strdup_printf("%s:", rsc_id); } return buf; } /*! * \internal * \brief Get a node's feature set for status display purposes * * \param[in] node Node to check * * \return String representation of feature set if the node is fully up (using * "<3.15.1" for older nodes that don't set the #feature-set attribute), * otherwise NULL */ static const char * get_node_feature_set(const pcmk_node_t *node) { if (node->details->online && pcmk_is_set(node->priv->flags, pcmk__node_expected_up) && !pcmk__is_pacemaker_remote_node(node)) { const char *feature_set = g_hash_table_lookup(node->priv->attrs, CRM_ATTR_FEATURE_SET); /* The feature set attribute is present since 3.15.1. If it is missing, * then the node must be running an earlier version. */ return pcmk__s(feature_set, "<3.15.1"); } return NULL; } static bool is_mixed_version(pcmk_scheduler_t *scheduler) { const char *feature_set = NULL; for (GList *gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *node = gIter->data; const char *node_feature_set = get_node_feature_set(node); if (node_feature_set != NULL) { if (feature_set == NULL) { feature_set = node_feature_set; } else if (strcmp(feature_set, node_feature_set) != 0) { return true; } } } return false; } static void formatted_xml_buf(const pcmk_resource_t *rsc, GString *xml_buf, bool raw) { if (raw && (rsc->priv->orig_xml != NULL)) { pcmk__xml_string(rsc->priv->orig_xml, pcmk__xml_fmt_pretty, xml_buf, 0); } else { pcmk__xml_string(rsc->priv->xml, pcmk__xml_fmt_pretty, xml_buf, 0); } } #define XPATH_DC_VERSION "//" PCMK_XE_NVPAIR \ "[@" PCMK_XA_NAME "='" PCMK_OPT_DC_VERSION "']" PCMK__OUTPUT_ARGS("cluster-summary", "pcmk_scheduler_t *", "enum pcmk_pacemakerd_state", "uint32_t", "uint32_t") static int cluster_summary(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); enum pcmk_pacemakerd_state pcmkd_state = (enum pcmk_pacemakerd_state) va_arg(args, int); uint32_t section_opts = va_arg(args, uint32_t); uint32_t show_opts = va_arg(args, uint32_t); int rc = pcmk_rc_no_output; const char *stack_s = get_cluster_stack(scheduler); if (pcmk_is_set(section_opts, pcmk_section_stack)) { PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-stack", stack_s, pcmkd_state); } if (pcmk_is_set(section_opts, pcmk_section_dc)) { xmlNode *dc_version = get_xpath_object(XPATH_DC_VERSION, scheduler->input, LOG_DEBUG); const char *dc_version_s = dc_version? crm_element_value(dc_version, PCMK_XA_VALUE) : NULL; const char *quorum = crm_element_value(scheduler->input, PCMK_XA_HAVE_QUORUM); char *dc_name = scheduler->dc_node? pe__node_display_name(scheduler->dc_node, pcmk_is_set(show_opts, pcmk_show_node_id)) : NULL; bool mixed_version = is_mixed_version(scheduler); PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-dc", scheduler->dc_node, quorum, dc_version_s, dc_name, mixed_version); free(dc_name); } if (pcmk_is_set(section_opts, pcmk_section_times)) { const char *last_written = crm_element_value(scheduler->input, PCMK_XA_CIB_LAST_WRITTEN); const char *user = crm_element_value(scheduler->input, PCMK_XA_UPDATE_USER); const char *client = crm_element_value(scheduler->input, PCMK_XA_UPDATE_CLIENT); const char *origin = crm_element_value(scheduler->input, PCMK_XA_UPDATE_ORIGIN); PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-times", scheduler->localhost, last_written, user, client, origin); } if (pcmk_is_set(section_opts, pcmk_section_counts)) { PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-counts", g_list_length(scheduler->nodes), scheduler->ninstances, scheduler->disabled_resources, scheduler->blocked_resources); } if (pcmk_is_set(section_opts, pcmk_section_options)) { PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-options", scheduler); } PCMK__OUTPUT_LIST_FOOTER(out, rc); if (pcmk_is_set(section_opts, pcmk_section_maint_mode)) { if (out->message(out, "maint-mode", scheduler->flags) == pcmk_rc_ok) { rc = pcmk_rc_ok; } } return rc; } PCMK__OUTPUT_ARGS("cluster-summary", "pcmk_scheduler_t *", "enum pcmk_pacemakerd_state", "uint32_t", "uint32_t") static int cluster_summary_html(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); enum pcmk_pacemakerd_state pcmkd_state = (enum pcmk_pacemakerd_state) va_arg(args, int); uint32_t section_opts = va_arg(args, uint32_t); uint32_t show_opts = va_arg(args, uint32_t); int rc = pcmk_rc_no_output; const char *stack_s = get_cluster_stack(scheduler); if (pcmk_is_set(section_opts, pcmk_section_stack)) { PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-stack", stack_s, pcmkd_state); } /* Always print DC if none, even if not requested */ if ((scheduler->dc_node == NULL) || pcmk_is_set(section_opts, pcmk_section_dc)) { xmlNode *dc_version = get_xpath_object(XPATH_DC_VERSION, scheduler->input, LOG_DEBUG); const char *dc_version_s = dc_version? crm_element_value(dc_version, PCMK_XA_VALUE) : NULL; const char *quorum = crm_element_value(scheduler->input, PCMK_XA_HAVE_QUORUM); char *dc_name = scheduler->dc_node? pe__node_display_name(scheduler->dc_node, pcmk_is_set(show_opts, pcmk_show_node_id)) : NULL; bool mixed_version = is_mixed_version(scheduler); PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-dc", scheduler->dc_node, quorum, dc_version_s, dc_name, mixed_version); free(dc_name); } if (pcmk_is_set(section_opts, pcmk_section_times)) { const char *last_written = crm_element_value(scheduler->input, PCMK_XA_CIB_LAST_WRITTEN); const char *user = crm_element_value(scheduler->input, PCMK_XA_UPDATE_USER); const char *client = crm_element_value(scheduler->input, PCMK_XA_UPDATE_CLIENT); const char *origin = crm_element_value(scheduler->input, PCMK_XA_UPDATE_ORIGIN); PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-times", scheduler->localhost, last_written, user, client, origin); } if (pcmk_is_set(section_opts, pcmk_section_counts)) { PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary"); out->message(out, "cluster-counts", g_list_length(scheduler->nodes), scheduler->ninstances, scheduler->disabled_resources, scheduler->blocked_resources); } if (pcmk_is_set(section_opts, pcmk_section_options)) { /* Kind of a hack - close the list we may have opened earlier in this * function so we can put all the options into their own list. We * only want to do this on HTML output, though. */ PCMK__OUTPUT_LIST_FOOTER(out, rc); out->begin_list(out, NULL, NULL, "Config Options"); out->message(out, "cluster-options", scheduler); } PCMK__OUTPUT_LIST_FOOTER(out, rc); if (pcmk_is_set(section_opts, pcmk_section_maint_mode)) { if (out->message(out, "maint-mode", scheduler->flags) == pcmk_rc_ok) { rc = pcmk_rc_ok; } } return rc; } char * pe__node_display_name(pcmk_node_t *node, bool print_detail) { char *node_name; const char *node_host = NULL; const char *node_id = NULL; int name_len; CRM_ASSERT((node != NULL) && (node->priv->name != NULL)); /* Host is displayed only if this is a guest node and detail is requested */ if (print_detail && pcmk__is_guest_or_bundle_node(node)) { const pcmk_resource_t *launcher = NULL; const pcmk_node_t *host_node = NULL; launcher = node->priv->remote->priv->launcher; host_node = pcmk__current_node(launcher); if (host_node && host_node->details) { node_host = host_node->priv->name; } if (node_host == NULL) { node_host = ""; /* so we at least get "uname@" to indicate guest */ } } /* Node ID is displayed if different from uname and detail is requested */ if (print_detail && !pcmk__str_eq(node->priv->name, node->priv->id, pcmk__str_casei)) { node_id = node->priv->id; } /* Determine name length */ name_len = strlen(node->priv->name) + 1; if (node_host) { name_len += strlen(node_host) + 1; /* "@node_host" */ } if (node_id) { name_len += strlen(node_id) + 3; /* + " (node_id)" */ } /* Allocate and populate display name */ node_name = pcmk__assert_alloc(name_len, sizeof(char)); strcpy(node_name, node->priv->name); if (node_host) { strcat(node_name, "@"); strcat(node_name, node_host); } if (node_id) { strcat(node_name, " ("); strcat(node_name, node_id); strcat(node_name, ")"); } return node_name; } int pe__name_and_nvpairs_xml(pcmk__output_t *out, bool is_list, const char *tag_name, ...) { xmlNodePtr xml_node = NULL; va_list pairs; CRM_ASSERT(tag_name != NULL); xml_node = pcmk__output_xml_peek_parent(out); CRM_ASSERT(xml_node != NULL); xml_node = pcmk__xe_create(xml_node, tag_name); va_start(pairs, tag_name); pcmk__xe_set_propv(xml_node, pairs); va_end(pairs); if (is_list) { pcmk__output_xml_push_parent(out, xml_node); } return pcmk_rc_ok; } static const char * role_desc(enum rsc_role_e role) { if (role == pcmk_role_promoted) { return "in " PCMK_ROLE_PROMOTED " role "; } return ""; } PCMK__OUTPUT_ARGS("ban", "pcmk_node_t *", "pcmk__location_t *", "uint32_t") static int ban_html(pcmk__output_t *out, va_list args) { pcmk_node_t *pe_node = va_arg(args, pcmk_node_t *); pcmk__location_t *location = va_arg(args, pcmk__location_t *); uint32_t show_opts = va_arg(args, uint32_t); char *node_name = pe__node_display_name(pe_node, pcmk_is_set(show_opts, pcmk_show_node_id)); char *buf = crm_strdup_printf("%s\tprevents %s from running %son %s", location->id, location->rsc->id, role_desc(location->role_filter), node_name); pcmk__output_create_html_node(out, "li", NULL, NULL, buf); free(node_name); free(buf); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("ban", "pcmk_node_t *", "pcmk__location_t *", "uint32_t") static int ban_text(pcmk__output_t *out, va_list args) { pcmk_node_t *pe_node = va_arg(args, pcmk_node_t *); pcmk__location_t *location = va_arg(args, pcmk__location_t *); uint32_t show_opts = va_arg(args, uint32_t); char *node_name = pe__node_display_name(pe_node, pcmk_is_set(show_opts, pcmk_show_node_id)); out->list_item(out, NULL, "%s\tprevents %s from running %son %s", location->id, location->rsc->id, role_desc(location->role_filter), node_name); free(node_name); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("ban", "pcmk_node_t *", "pcmk__location_t *", "uint32_t") static int ban_xml(pcmk__output_t *out, va_list args) { pcmk_node_t *pe_node = va_arg(args, pcmk_node_t *); pcmk__location_t *location = va_arg(args, pcmk__location_t *); uint32_t show_opts G_GNUC_UNUSED = va_arg(args, uint32_t); const char *promoted_only = pcmk__btoa(location->role_filter == pcmk_role_promoted); char *weight_s = pcmk__itoa(pe_node->assign->score); pcmk__output_create_xml_node(out, PCMK_XE_BAN, PCMK_XA_ID, location->id, PCMK_XA_RESOURCE, location->rsc->id, PCMK_XA_NODE, pe_node->priv->name, PCMK_XA_WEIGHT, weight_s, PCMK_XA_PROMOTED_ONLY, promoted_only, /* This is a deprecated alias for * promoted_only. Removing it will break * backward compatibility of the API schema, * which will require an API schema major * version bump. */ PCMK__XA_PROMOTED_ONLY_LEGACY, promoted_only, NULL); free(weight_s); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("ban-list", "pcmk_scheduler_t *", "const char *", "GList *", "uint32_t", "bool") static int ban_list(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); const char *prefix = va_arg(args, const char *); GList *only_rsc = va_arg(args, GList *); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer = va_arg(args, int); GList *gIter, *gIter2; int rc = pcmk_rc_no_output; /* Print each ban */ for (gIter = scheduler->placement_constraints; gIter != NULL; gIter = gIter->next) { pcmk__location_t *location = gIter->data; const pcmk_resource_t *rsc = location->rsc; if (prefix != NULL && !g_str_has_prefix(location->id, prefix)) { continue; } if (!pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) && !pcmk__str_in_list(rsc_printable_id(pe__const_top_resource(rsc, false)), only_rsc, pcmk__str_star_matches)) { continue; } for (gIter2 = location->nodes; gIter2 != NULL; gIter2 = gIter2->next) { pcmk_node_t *node = (pcmk_node_t *) gIter2->data; if (node->assign->score < 0) { PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Negative Location Constraints"); out->message(out, "ban", node, location, show_opts); } } } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("cluster-counts", "unsigned int", "int", "int", "int") static int cluster_counts_html(pcmk__output_t *out, va_list args) { unsigned int nnodes = va_arg(args, unsigned int); int nresources = va_arg(args, int); int ndisabled = va_arg(args, int); int nblocked = va_arg(args, int); xmlNodePtr nodes_node = pcmk__output_create_xml_node(out, "li", NULL); xmlNodePtr resources_node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; child = pcmk__html_create(nodes_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%d node%s configured", nnodes, pcmk__plural_s(nnodes)); if (ndisabled && nblocked) { child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%d resource instance%s configured (%d ", nresources, pcmk__plural_s(nresources), ndisabled); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "DISABLED"); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, ", %d ", nblocked); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "BLOCKED"); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " from further action due to failure)"); } else if (ndisabled && !nblocked) { child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%d resource instance%s configured (%d ", nresources, pcmk__plural_s(nresources), ndisabled); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "DISABLED"); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, ")"); } else if (!ndisabled && nblocked) { child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%d resource instance%s configured (%d ", nresources, pcmk__plural_s(nresources), nblocked); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "BLOCKED"); child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " from further action due to failure)"); } else { child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%d resource instance%s configured", nresources, pcmk__plural_s(nresources)); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-counts", "unsigned int", "int", "int", "int") static int cluster_counts_text(pcmk__output_t *out, va_list args) { unsigned int nnodes = va_arg(args, unsigned int); int nresources = va_arg(args, int); int ndisabled = va_arg(args, int); int nblocked = va_arg(args, int); out->list_item(out, NULL, "%d node%s configured", nnodes, pcmk__plural_s(nnodes)); if (ndisabled && nblocked) { out->list_item(out, NULL, "%d resource instance%s configured " "(%d DISABLED, %d BLOCKED from " "further action due to failure)", nresources, pcmk__plural_s(nresources), ndisabled, nblocked); } else if (ndisabled && !nblocked) { out->list_item(out, NULL, "%d resource instance%s configured " "(%d DISABLED)", nresources, pcmk__plural_s(nresources), ndisabled); } else if (!ndisabled && nblocked) { out->list_item(out, NULL, "%d resource instance%s configured " "(%d BLOCKED from further action " "due to failure)", nresources, pcmk__plural_s(nresources), nblocked); } else { out->list_item(out, NULL, "%d resource instance%s configured", nresources, pcmk__plural_s(nresources)); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-counts", "unsigned int", "int", "int", "int") static int cluster_counts_xml(pcmk__output_t *out, va_list args) { unsigned int nnodes = va_arg(args, unsigned int); int nresources = va_arg(args, int); int ndisabled = va_arg(args, int); int nblocked = va_arg(args, int); xmlNodePtr nodes_node = NULL; xmlNodePtr resources_node = NULL; char *s = NULL; nodes_node = pcmk__output_create_xml_node(out, PCMK_XE_NODES_CONFIGURED, NULL); resources_node = pcmk__output_create_xml_node(out, PCMK_XE_RESOURCES_CONFIGURED, NULL); s = pcmk__itoa(nnodes); crm_xml_add(nodes_node, PCMK_XA_NUMBER, s); free(s); s = pcmk__itoa(nresources); crm_xml_add(resources_node, PCMK_XA_NUMBER, s); free(s); s = pcmk__itoa(ndisabled); crm_xml_add(resources_node, PCMK_XA_DISABLED, s); free(s); s = pcmk__itoa(nblocked); crm_xml_add(resources_node, PCMK_XA_BLOCKED, s); free(s); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-dc", "pcmk_node_t *", "const char *", "const char *", "char *", "int") static int cluster_dc_html(pcmk__output_t *out, va_list args) { pcmk_node_t *dc = va_arg(args, pcmk_node_t *); const char *quorum = va_arg(args, const char *); const char *dc_version_s = va_arg(args, const char *); char *dc_name = va_arg(args, char *); bool mixed_version = va_arg(args, int); xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "Current DC: "); if (dc) { child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%s (version %s) -", dc_name, pcmk__s(dc_version_s, "unknown")); if (mixed_version) { child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_WARNING); pcmk__xe_set_content(child, " MIXED-VERSION"); } child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " partition"); if (crm_is_true(quorum)) { child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " with"); } else { child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_WARNING); pcmk__xe_set_content(child, " WITHOUT"); } child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " quorum"); } else { child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_WARNING); pcmk__xe_set_content(child, "NONE"); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-dc", "pcmk_node_t *", "const char *", "const char *", "char *", "int") static int cluster_dc_text(pcmk__output_t *out, va_list args) { pcmk_node_t *dc = va_arg(args, pcmk_node_t *); const char *quorum = va_arg(args, const char *); const char *dc_version_s = va_arg(args, const char *); char *dc_name = va_arg(args, char *); bool mixed_version = va_arg(args, int); if (dc) { out->list_item(out, "Current DC", "%s (version %s) - %spartition %s quorum", dc_name, dc_version_s ? dc_version_s : "unknown", mixed_version ? "MIXED-VERSION " : "", crm_is_true(quorum) ? "with" : "WITHOUT"); } else { out->list_item(out, "Current DC", "NONE"); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-dc", "pcmk_node_t *", "const char *", "const char *", "char *", "int") static int cluster_dc_xml(pcmk__output_t *out, va_list args) { pcmk_node_t *dc = va_arg(args, pcmk_node_t *); const char *quorum = va_arg(args, const char *); const char *dc_version_s = va_arg(args, const char *); char *dc_name G_GNUC_UNUSED = va_arg(args, char *); bool mixed_version = va_arg(args, int); if (dc) { const char *with_quorum = pcmk__btoa(crm_is_true(quorum)); const char *mixed_version_s = pcmk__btoa(mixed_version); pcmk__output_create_xml_node(out, PCMK_XE_CURRENT_DC, PCMK_XA_PRESENT, PCMK_VALUE_TRUE, PCMK_XA_VERSION, pcmk__s(dc_version_s, ""), PCMK_XA_NAME, dc->priv->name, PCMK_XA_ID, dc->priv->id, PCMK_XA_WITH_QUORUM, with_quorum, PCMK_XA_MIXED_VERSION, mixed_version_s, NULL); } else { pcmk__output_create_xml_node(out, PCMK_XE_CURRENT_DC, PCMK_XA_PRESENT, PCMK_VALUE_FALSE, NULL); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("maint-mode", "unsigned long long int") static int cluster_maint_mode_text(pcmk__output_t *out, va_list args) { unsigned long long flags = va_arg(args, unsigned long long); if (pcmk_is_set(flags, pcmk__sched_in_maintenance)) { pcmk__formatted_printf(out, "\n *** Resource management is DISABLED ***\n"); pcmk__formatted_printf(out, " The cluster will not attempt to start, stop or recover services\n"); return pcmk_rc_ok; } else if (pcmk_is_set(flags, pcmk__sched_stop_all)) { pcmk__formatted_printf(out, "\n *** Resource management is DISABLED ***\n"); pcmk__formatted_printf(out, " The cluster will keep all resources stopped\n"); return pcmk_rc_ok; } else { return pcmk_rc_no_output; } } PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *") static int cluster_options_html(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { out->list_item(out, NULL, "STONITH of failed nodes enabled"); } else { out->list_item(out, NULL, "STONITH of failed nodes disabled"); } if (pcmk_is_set(scheduler->flags, pcmk__sched_symmetric_cluster)) { out->list_item(out, NULL, "Cluster is symmetric"); } else { out->list_item(out, NULL, "Cluster is asymmetric"); } switch (scheduler->no_quorum_policy) { case pcmk_no_quorum_freeze: out->list_item(out, NULL, "No quorum policy: Freeze resources"); break; case pcmk_no_quorum_stop: out->list_item(out, NULL, "No quorum policy: Stop ALL resources"); break; case pcmk_no_quorum_demote: out->list_item(out, NULL, "No quorum policy: Demote promotable " "resources and stop all other resources"); break; case pcmk_no_quorum_ignore: out->list_item(out, NULL, "No quorum policy: Ignore"); break; case pcmk_no_quorum_fence: out->list_item(out, NULL, "No quorum policy: Suicide"); break; } if (pcmk_is_set(scheduler->flags, pcmk__sched_in_maintenance)) { xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "Resource management: "); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "DISABLED"); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " (the cluster will not attempt to start, stop," " or recover services)"); } else if (pcmk_is_set(scheduler->flags, pcmk__sched_stop_all)) { xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "Resource management: "); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "STOPPED"); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " (the cluster will keep all resources stopped)"); } else { out->list_item(out, NULL, "Resource management: enabled"); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *") static int cluster_options_log(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); if (pcmk_is_set(scheduler->flags, pcmk__sched_in_maintenance)) { return out->info(out, "Resource management is DISABLED. The cluster will not attempt to start, stop or recover services."); } else if (pcmk_is_set(scheduler->flags, pcmk__sched_stop_all)) { return out->info(out, "Resource management is DISABLED. The cluster has stopped all resources."); } else { return pcmk_rc_no_output; } } PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *") static int cluster_options_text(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { out->list_item(out, NULL, "STONITH of failed nodes enabled"); } else { out->list_item(out, NULL, "STONITH of failed nodes disabled"); } if (pcmk_is_set(scheduler->flags, pcmk__sched_symmetric_cluster)) { out->list_item(out, NULL, "Cluster is symmetric"); } else { out->list_item(out, NULL, "Cluster is asymmetric"); } switch (scheduler->no_quorum_policy) { case pcmk_no_quorum_freeze: out->list_item(out, NULL, "No quorum policy: Freeze resources"); break; case pcmk_no_quorum_stop: out->list_item(out, NULL, "No quorum policy: Stop ALL resources"); break; case pcmk_no_quorum_demote: out->list_item(out, NULL, "No quorum policy: Demote promotable " "resources and stop all other resources"); break; case pcmk_no_quorum_ignore: out->list_item(out, NULL, "No quorum policy: Ignore"); break; case pcmk_no_quorum_fence: out->list_item(out, NULL, "No quorum policy: Suicide"); break; } return pcmk_rc_ok; } /*! * \internal * \brief Get readable string representation of a no-quorum policy * * \param[in] policy No-quorum policy * * \return String representation of \p policy */ static const char * no_quorum_policy_text(enum pe_quorum_policy policy) { switch (policy) { case pcmk_no_quorum_freeze: return PCMK_VALUE_FREEZE; case pcmk_no_quorum_stop: return PCMK_VALUE_STOP; case pcmk_no_quorum_demote: return PCMK_VALUE_DEMOTE; case pcmk_no_quorum_ignore: return PCMK_VALUE_IGNORE; case pcmk_no_quorum_fence: return PCMK_VALUE_FENCE_LEGACY; default: return PCMK_VALUE_UNKNOWN; } } PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *") static int cluster_options_xml(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); const char *stonith_enabled = pcmk__flag_text(scheduler->flags, pcmk__sched_fencing_enabled); const char *symmetric_cluster = pcmk__flag_text(scheduler->flags, pcmk__sched_symmetric_cluster); const char *no_quorum_policy = no_quorum_policy_text(scheduler->no_quorum_policy); const char *maintenance_mode = pcmk__flag_text(scheduler->flags, pcmk__sched_in_maintenance); const char *stop_all_resources = pcmk__flag_text(scheduler->flags, pcmk__sched_stop_all); char *stonith_timeout_ms_s = pcmk__itoa(scheduler->priv->fence_timeout_ms); char *priority_fencing_delay_ms_s = pcmk__itoa(scheduler->priority_fencing_delay * 1000); pcmk__output_create_xml_node(out, PCMK_XE_CLUSTER_OPTIONS, PCMK_XA_STONITH_ENABLED, stonith_enabled, PCMK_XA_SYMMETRIC_CLUSTER, symmetric_cluster, PCMK_XA_NO_QUORUM_POLICY, no_quorum_policy, PCMK_XA_MAINTENANCE_MODE, maintenance_mode, PCMK_XA_STOP_ALL_RESOURCES, stop_all_resources, PCMK_XA_STONITH_TIMEOUT_MS, stonith_timeout_ms_s, PCMK_XA_PRIORITY_FENCING_DELAY_MS, priority_fencing_delay_ms_s, NULL); free(stonith_timeout_ms_s); free(priority_fencing_delay_ms_s); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-stack", "const char *", "enum pcmk_pacemakerd_state") static int cluster_stack_html(pcmk__output_t *out, va_list args) { const char *stack_s = va_arg(args, const char *); enum pcmk_pacemakerd_state pcmkd_state = (enum pcmk_pacemakerd_state) va_arg(args, int); xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "Stack: "); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%s", stack_s); if (pcmkd_state != pcmk_pacemakerd_state_invalid) { child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " ("); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%s", pcmk__pcmkd_state_enum2friendly(pcmkd_state)); child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, ")"); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-stack", "const char *", "enum pcmk_pacemakerd_state") static int cluster_stack_text(pcmk__output_t *out, va_list args) { const char *stack_s = va_arg(args, const char *); enum pcmk_pacemakerd_state pcmkd_state = (enum pcmk_pacemakerd_state) va_arg(args, int); if (pcmkd_state != pcmk_pacemakerd_state_invalid) { out->list_item(out, "Stack", "%s (%s)", stack_s, pcmk__pcmkd_state_enum2friendly(pcmkd_state)); } else { out->list_item(out, "Stack", "%s", stack_s); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-stack", "const char *", "enum pcmk_pacemakerd_state") static int cluster_stack_xml(pcmk__output_t *out, va_list args) { const char *stack_s = va_arg(args, const char *); enum pcmk_pacemakerd_state pcmkd_state = (enum pcmk_pacemakerd_state) va_arg(args, int); const char *state_s = NULL; if (pcmkd_state != pcmk_pacemakerd_state_invalid) { state_s = pcmk_pacemakerd_api_daemon_state_enum2text(pcmkd_state); } pcmk__output_create_xml_node(out, PCMK_XE_STACK, PCMK_XA_TYPE, stack_s, PCMK_XA_PACEMAKERD_STATE, state_s, NULL); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-times", "const char *", "const char *", "const char *", "const char *", "const char *") static int cluster_times_html(pcmk__output_t *out, va_list args) { const char *our_nodename = va_arg(args, const char *); const char *last_written = va_arg(args, const char *); const char *user = va_arg(args, const char *); const char *client = va_arg(args, const char *); const char *origin = va_arg(args, const char *); xmlNodePtr updated_node = pcmk__output_create_xml_node(out, "li", NULL); xmlNodePtr changed_node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; char *time_s = NULL; child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "Last updated: "); child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, NULL); time_s = pcmk__epoch2str(NULL, 0); pcmk__xe_set_content(child, "%s", time_s); free(time_s); if (our_nodename != NULL) { child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, " on "); child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%s", our_nodename); } child = pcmk__html_create(changed_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "Last change: "); child = pcmk__html_create(changed_node, PCMK__XE_SPAN, NULL, NULL); time_s = last_changed_string(last_written, user, client, origin); pcmk__xe_set_content(child, "%s", time_s); free(time_s); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-times", "const char *", "const char *", "const char *", "const char *", "const char *") static int cluster_times_xml(pcmk__output_t *out, va_list args) { const char *our_nodename = va_arg(args, const char *); const char *last_written = va_arg(args, const char *); const char *user = va_arg(args, const char *); const char *client = va_arg(args, const char *); const char *origin = va_arg(args, const char *); char *time_s = pcmk__epoch2str(NULL, 0); pcmk__output_create_xml_node(out, PCMK_XE_LAST_UPDATE, PCMK_XA_TIME, time_s, PCMK_XA_ORIGIN, our_nodename, NULL); pcmk__output_create_xml_node(out, PCMK_XE_LAST_CHANGE, PCMK_XA_TIME, pcmk__s(last_written, ""), PCMK_XA_USER, pcmk__s(user, ""), PCMK_XA_CLIENT, pcmk__s(client, ""), PCMK_XA_ORIGIN, pcmk__s(origin, ""), NULL); free(time_s); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("cluster-times", "const char *", "const char *", "const char *", "const char *", "const char *") static int cluster_times_text(pcmk__output_t *out, va_list args) { const char *our_nodename = va_arg(args, const char *); const char *last_written = va_arg(args, const char *); const char *user = va_arg(args, const char *); const char *client = va_arg(args, const char *); const char *origin = va_arg(args, const char *); char *time_s = pcmk__epoch2str(NULL, 0); out->list_item(out, "Last updated", "%s%s%s", time_s, (our_nodename != NULL)? " on " : "", pcmk__s(our_nodename, "")); free(time_s); time_s = last_changed_string(last_written, user, client, origin); out->list_item(out, "Last change", " %s", time_s); free(time_s); return pcmk_rc_ok; } /*! * \internal * \brief Display a failed action in less-technical natural language * * \param[in,out] out Output object to use for display * \param[in] xml_op XML containing failed action * \param[in] op_key Operation key of failed action * \param[in] node_name Where failed action occurred * \param[in] rc OCF exit code of failed action * \param[in] status Execution status of failed action * \param[in] exit_reason Exit reason given for failed action * \param[in] exec_time String containing execution time in milliseconds */ static void failed_action_friendly(pcmk__output_t *out, const xmlNode *xml_op, const char *op_key, const char *node_name, int rc, int status, const char *exit_reason, const char *exec_time) { char *rsc_id = NULL; char *task = NULL; guint interval_ms = 0; time_t last_change_epoch = 0; GString *str = NULL; if (pcmk__str_empty(op_key) || !parse_op_key(op_key, &rsc_id, &task, &interval_ms)) { pcmk__str_update(&rsc_id, "unknown resource"); pcmk__str_update(&task, "unknown action"); interval_ms = 0; } CRM_ASSERT((rsc_id != NULL) && (task != NULL)); str = g_string_sized_new(256); // Should be sufficient for most messages pcmk__g_strcat(str, rsc_id, " ", NULL); if (interval_ms != 0) { pcmk__g_strcat(str, pcmk__readable_interval(interval_ms), "-interval ", NULL); } pcmk__g_strcat(str, pcmk__readable_action(task, interval_ms), " on ", node_name, NULL); if (status == PCMK_EXEC_DONE) { pcmk__g_strcat(str, " returned '", services_ocf_exitcode_str(rc), "'", NULL); if (!pcmk__str_empty(exit_reason)) { pcmk__g_strcat(str, " (", exit_reason, ")", NULL); } } else { pcmk__g_strcat(str, " could not be executed (", pcmk_exec_status_str(status), NULL); if (!pcmk__str_empty(exit_reason)) { pcmk__g_strcat(str, ": ", exit_reason, NULL); } g_string_append_c(str, ')'); } if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &last_change_epoch) == pcmk_ok) { char *s = pcmk__epoch2str(&last_change_epoch, 0); pcmk__g_strcat(str, " at ", s, NULL); free(s); } if (!pcmk__str_empty(exec_time)) { int exec_time_ms = 0; if ((pcmk__scan_min_int(exec_time, &exec_time_ms, 0) == pcmk_rc_ok) && (exec_time_ms > 0)) { pcmk__g_strcat(str, " after ", pcmk__readable_interval(exec_time_ms), NULL); } } out->list_item(out, NULL, "%s", str->str); g_string_free(str, TRUE); free(rsc_id); free(task); } /*! * \internal * \brief Display a failed action with technical details * * \param[in,out] out Output object to use for display * \param[in] xml_op XML containing failed action * \param[in] op_key Operation key of failed action * \param[in] node_name Where failed action occurred * \param[in] rc OCF exit code of failed action * \param[in] status Execution status of failed action * \param[in] exit_reason Exit reason given for failed action * \param[in] exec_time String containing execution time in milliseconds */ static void failed_action_technical(pcmk__output_t *out, const xmlNode *xml_op, const char *op_key, const char *node_name, int rc, int status, const char *exit_reason, const char *exec_time) { const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID); const char *queue_time = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME); const char *exit_status = services_ocf_exitcode_str(rc); const char *lrm_status = pcmk_exec_status_str(status); time_t last_change_epoch = 0; GString *str = NULL; if (pcmk__str_empty(op_key)) { op_key = "unknown operation"; } if (pcmk__str_empty(exit_status)) { exit_status = "unknown exit status"; } if (pcmk__str_empty(call_id)) { call_id = "unknown"; } str = g_string_sized_new(256); g_string_append_printf(str, "%s on %s '%s' (%d): call=%s, status='%s'", op_key, node_name, exit_status, rc, call_id, lrm_status); if (!pcmk__str_empty(exit_reason)) { pcmk__g_strcat(str, ", exitreason='", exit_reason, "'", NULL); } if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &last_change_epoch) == pcmk_ok) { char *last_change_str = pcmk__epoch2str(&last_change_epoch, 0); pcmk__g_strcat(str, ", " PCMK_XA_LAST_RC_CHANGE "=" "'", last_change_str, "'", NULL); free(last_change_str); } if (!pcmk__str_empty(queue_time)) { pcmk__g_strcat(str, ", queued=", queue_time, "ms", NULL); } if (!pcmk__str_empty(exec_time)) { pcmk__g_strcat(str, ", exec=", exec_time, "ms", NULL); } out->list_item(out, NULL, "%s", str->str); g_string_free(str, TRUE); } PCMK__OUTPUT_ARGS("failed-action", "xmlNode *", "uint32_t") static int failed_action_default(pcmk__output_t *out, va_list args) { xmlNodePtr xml_op = va_arg(args, xmlNodePtr); uint32_t show_opts = va_arg(args, uint32_t); const char *op_key = pcmk__xe_history_key(xml_op); const char *node_name = crm_element_value(xml_op, PCMK_XA_UNAME); const char *exit_reason = crm_element_value(xml_op, PCMK_XA_EXIT_REASON); const char *exec_time = crm_element_value(xml_op, PCMK_XA_EXEC_TIME); int rc; int status; pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_RC_CODE), &rc, 0); pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status, 0); if (pcmk__str_empty(node_name)) { node_name = "unknown node"; } if (pcmk_is_set(show_opts, pcmk_show_failed_detail)) { failed_action_technical(out, xml_op, op_key, node_name, rc, status, exit_reason, exec_time); } else { failed_action_friendly(out, xml_op, op_key, node_name, rc, status, exit_reason, exec_time); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("failed-action", "xmlNode *", "uint32_t") static int failed_action_xml(pcmk__output_t *out, va_list args) { xmlNodePtr xml_op = va_arg(args, xmlNodePtr); uint32_t show_opts G_GNUC_UNUSED = va_arg(args, uint32_t); const char *op_key = pcmk__xe_history_key(xml_op); const char *op_key_name = PCMK_XA_OP_KEY; int rc; int status; const char *uname = crm_element_value(xml_op, PCMK_XA_UNAME); const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID); const char *exitstatus = NULL; const char *exit_reason = pcmk__s(crm_element_value(xml_op, PCMK_XA_EXIT_REASON), "none"); const char *status_s = NULL; time_t epoch = 0; gchar *exit_reason_esc = NULL; char *rc_s = NULL; xmlNodePtr node = NULL; if (pcmk__xml_needs_escape(exit_reason, pcmk__xml_escape_attr)) { exit_reason_esc = pcmk__xml_escape(exit_reason, pcmk__xml_escape_attr); exit_reason = exit_reason_esc; } pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_RC_CODE), &rc, 0); pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status, 0); if (crm_element_value(xml_op, PCMK__XA_OPERATION_KEY) == NULL) { op_key_name = PCMK_XA_ID; } exitstatus = services_ocf_exitcode_str(rc); rc_s = pcmk__itoa(rc); status_s = pcmk_exec_status_str(status); node = pcmk__output_create_xml_node(out, PCMK_XE_FAILURE, op_key_name, op_key, PCMK_XA_NODE, uname, PCMK_XA_EXITSTATUS, exitstatus, PCMK_XA_EXITREASON, exit_reason, PCMK_XA_EXITCODE, rc_s, PCMK_XA_CALL, call_id, PCMK_XA_STATUS, status_s, NULL); free(rc_s); if ((crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &epoch) == pcmk_ok) && (epoch > 0)) { const char *queue_time = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME); const char *exec = crm_element_value(xml_op, PCMK_XA_EXEC_TIME); const char *task = crm_element_value(xml_op, PCMK_XA_OPERATION); guint interval_ms = 0; char *interval_ms_s = NULL; char *rc_change = pcmk__epoch2str(&epoch, crm_time_log_date |crm_time_log_timeofday |crm_time_log_with_timezone); crm_element_value_ms(xml_op, PCMK_META_INTERVAL, &interval_ms); interval_ms_s = crm_strdup_printf("%u", interval_ms); pcmk__xe_set_props(node, PCMK_XA_LAST_RC_CHANGE, rc_change, PCMK_XA_QUEUED, queue_time, PCMK_XA_EXEC, exec, PCMK_XA_INTERVAL, interval_ms_s, PCMK_XA_TASK, task, NULL); free(interval_ms_s); free(rc_change); } g_free(exit_reason_esc); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("failed-action-list", "pcmk_scheduler_t *", "GList *", "GList *", "uint32_t", "bool") static int failed_action_list(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer = va_arg(args, int); xmlNode *xml_op = NULL; int rc = pcmk_rc_no_output; if (xmlChildElementCount(scheduler->failed) == 0) { return rc; } for (xml_op = pcmk__xe_first_child(scheduler->failed, NULL, NULL, NULL); xml_op != NULL; xml_op = pcmk__xe_next(xml_op)) { char *rsc = NULL; if (!pcmk__str_in_list(crm_element_value(xml_op, PCMK_XA_UNAME), only_node, pcmk__str_star_matches|pcmk__str_casei)) { continue; } if (pcmk_xe_mask_probe_failure(xml_op)) { continue; } if (!parse_op_key(pcmk__xe_history_key(xml_op), &rsc, NULL, NULL)) { continue; } if (!pcmk__str_in_list(rsc, only_rsc, pcmk__str_star_matches)) { free(rsc); continue; } free(rsc); PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Failed Resource Actions"); out->message(out, "failed-action", xml_op, show_opts); } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } static void status_node(pcmk_node_t *node, xmlNodePtr parent, uint32_t show_opts) { int health = pe__node_health(node); xmlNode *child = NULL; // Cluster membership if (node->details->online) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK_VALUE_ONLINE); pcmk__xe_set_content(child, " online"); } else { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK_VALUE_OFFLINE); pcmk__xe_set_content(child, " OFFLINE"); } // Standby mode if (pcmk_is_set(node->priv->flags, pcmk__node_fail_standby)) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK_VALUE_STANDBY); if (node->details->running_rsc == NULL) { pcmk__xe_set_content(child, " (in standby due to " PCMK_META_ON_FAIL ")"); } else { pcmk__xe_set_content(child, " (in standby due to " PCMK_META_ON_FAIL "," " with active resources)"); } } else if (pcmk_is_set(node->priv->flags, pcmk__node_standby)) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK_VALUE_STANDBY); if (node->details->running_rsc == NULL) { pcmk__xe_set_content(child, " (in standby)"); } else { pcmk__xe_set_content(child, " (in standby, with active resources)"); } } // Maintenance mode if (node->details->maintenance) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK__VALUE_MAINT); pcmk__xe_set_content(child, " (in maintenance mode)"); } // Node health if (health < 0) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK__VALUE_HEALTH_RED); pcmk__xe_set_content(child, " (health is RED)"); } else if (health == 0) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, PCMK__VALUE_HEALTH_YELLOW); pcmk__xe_set_content(child, " (health is YELLOW)"); } // Feature set if (pcmk_is_set(show_opts, pcmk_show_feature_set)) { const char *feature_set = get_node_feature_set(node); if (feature_set != NULL) { child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, ", feature set %s", feature_set); } } } PCMK__OUTPUT_ARGS("node", "pcmk_node_t *", "uint32_t", "bool", "GList *", "GList *") static int node_html(pcmk__output_t *out, va_list args) { pcmk_node_t *node = va_arg(args, pcmk_node_t *); uint32_t show_opts = va_arg(args, uint32_t); bool full = va_arg(args, int); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id)); if (full) { xmlNode *item_node = NULL; xmlNode *child = NULL; if (pcmk_all_flags_set(show_opts, pcmk_show_brief | pcmk_show_rscs_by_node)) { GList *rscs = pe__filter_rsc_list(node->details->running_rsc, only_rsc); out->begin_list(out, NULL, NULL, "%s:", node_name); item_node = pcmk__output_xml_create_parent(out, "li", NULL); child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "Status:"); status_node(node, item_node, show_opts); if (rscs != NULL) { uint32_t new_show_opts = (show_opts | pcmk_show_rsc_only) & ~pcmk_show_inactive_rscs; out->begin_list(out, NULL, NULL, "Resources"); pe__rscs_brief_output(out, rscs, new_show_opts); out->end_list(out); } pcmk__output_xml_pop_parent(out); out->end_list(out); } else if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { GList *lpc2 = NULL; int rc = pcmk_rc_no_output; out->begin_list(out, NULL, NULL, "%s:", node_name); item_node = pcmk__output_xml_create_parent(out, "li", NULL); child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "Status:"); status_node(node, item_node, show_opts); for (lpc2 = node->details->running_rsc; lpc2 != NULL; lpc2 = lpc2->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) lpc2->data; PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Resources"); show_opts |= pcmk_show_rsc_only; out->message(out, pcmk__map_element_name(rsc->priv->xml), show_opts, rsc, only_node, only_rsc); } PCMK__OUTPUT_LIST_FOOTER(out, rc); pcmk__output_xml_pop_parent(out); out->end_list(out); } else { item_node = pcmk__output_create_xml_node(out, "li", NULL); child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "%s:", node_name); status_node(node, item_node, show_opts); } } else { out->begin_list(out, NULL, NULL, "%s:", node_name); } free(node_name); return pcmk_rc_ok; } /*! * \internal * \brief Get a human-friendly textual description of a node's status * * \param[in] node Node to check * * \return String representation of node's status */ static const char * node_text_status(const pcmk_node_t *node) { if (node->details->unclean) { if (node->details->online) { return "UNCLEAN (online)"; } else if (node->details->pending) { return "UNCLEAN (pending)"; } else { return "UNCLEAN (offline)"; } } else if (node->details->pending) { return "pending"; } else if (pcmk_is_set(node->priv->flags, pcmk__node_fail_standby) && node->details->online) { return "standby (" PCMK_META_ON_FAIL ")"; } else if (pcmk_is_set(node->priv->flags, pcmk__node_standby)) { if (!node->details->online) { return "OFFLINE (standby)"; } else if (node->details->running_rsc == NULL) { return "standby"; } else { return "standby (with active resources)"; } } else if (node->details->maintenance) { if (node->details->online) { return "maintenance"; } else { return "OFFLINE (maintenance)"; } } else if (node->details->online) { return "online"; } return "OFFLINE"; } PCMK__OUTPUT_ARGS("node", "pcmk_node_t *", "uint32_t", "bool", "GList *", "GList *") static int node_text(pcmk__output_t *out, va_list args) { pcmk_node_t *node = va_arg(args, pcmk_node_t *); uint32_t show_opts = va_arg(args, uint32_t); bool full = va_arg(args, int); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); if (full) { char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id)); GString *str = g_string_sized_new(64); int health = pe__node_health(node); // Create a summary line with node type, name, and status if (pcmk__is_guest_or_bundle_node(node)) { g_string_append(str, "GuestNode"); } else if (pcmk__is_remote_node(node)) { g_string_append(str, "RemoteNode"); } else { g_string_append(str, "Node"); } pcmk__g_strcat(str, " ", node_name, ": ", node_text_status(node), NULL); if (health < 0) { g_string_append(str, " (health is RED)"); } else if (health == 0) { g_string_append(str, " (health is YELLOW)"); } if (pcmk_is_set(show_opts, pcmk_show_feature_set)) { const char *feature_set = get_node_feature_set(node); if (feature_set != NULL) { pcmk__g_strcat(str, ", feature set ", feature_set, NULL); } } /* If we're grouping by node, print its resources */ if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { if (pcmk_is_set(show_opts, pcmk_show_brief)) { GList *rscs = pe__filter_rsc_list(node->details->running_rsc, only_rsc); if (rscs != NULL) { uint32_t new_show_opts = (show_opts | pcmk_show_rsc_only) & ~pcmk_show_inactive_rscs; out->begin_list(out, NULL, NULL, "%s", str->str); out->begin_list(out, NULL, NULL, "Resources"); pe__rscs_brief_output(out, rscs, new_show_opts); out->end_list(out); out->end_list(out); g_list_free(rscs); } } else { GList *gIter2 = NULL; out->begin_list(out, NULL, NULL, "%s", str->str); out->begin_list(out, NULL, NULL, "Resources"); for (gIter2 = node->details->running_rsc; gIter2 != NULL; gIter2 = gIter2->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) gIter2->data; show_opts |= pcmk_show_rsc_only; out->message(out, pcmk__map_element_name(rsc->priv->xml), show_opts, rsc, only_node, only_rsc); } out->end_list(out); out->end_list(out); } } else { out->list_item(out, NULL, "%s", str->str); } g_string_free(str, TRUE); free(node_name); } else { char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id)); out->begin_list(out, NULL, NULL, "Node: %s", node_name); free(node_name); } return pcmk_rc_ok; } /*! * \internal * \brief Convert an integer health value to a string representation * * \param[in] health Integer health value * * \retval \c PCMK_VALUE_RED if \p health is less than 0 * \retval \c PCMK_VALUE_YELLOW if \p health is equal to 0 * \retval \c PCMK_VALUE_GREEN if \p health is greater than 0 */ static const char * health_text(int health) { if (health < 0) { return PCMK_VALUE_RED; } else if (health == 0) { return PCMK_VALUE_YELLOW; } else { return PCMK_VALUE_GREEN; } } /*! * \internal * \brief Convert a node variant to a string representation * * \param[in] variant Node variant * * \retval \c PCMK_VALUE_MEMBER if \p node_type is \c pcmk__node_variant_cluster * \retval \c PCMK_VALUE_REMOTE if \p node_type is \c pcmk__node_variant_remote * \retval \c PCMK__VALUE_PING if \p node_type is \c pcmk__node_variant_ping * \retval \c PCMK_VALUE_UNKNOWN otherwise */ static const char * node_variant_text(enum pcmk__node_variant variant) { switch (variant) { case pcmk__node_variant_cluster: return PCMK_VALUE_MEMBER; case pcmk__node_variant_remote: return PCMK_VALUE_REMOTE; case pcmk__node_variant_ping: return PCMK__VALUE_PING; default: return PCMK_VALUE_UNKNOWN; } } PCMK__OUTPUT_ARGS("node", "pcmk_node_t *", "uint32_t", "bool", "GList *", "GList *") static int node_xml(pcmk__output_t *out, va_list args) { pcmk_node_t *node = va_arg(args, pcmk_node_t *); uint32_t show_opts G_GNUC_UNUSED = va_arg(args, uint32_t); bool full = va_arg(args, int); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); if (full) { const char *online = pcmk__btoa(node->details->online); const char *standby = pcmk__flag_text(node->priv->flags, pcmk__node_standby); const char *standby_onfail = pcmk__flag_text(node->priv->flags, pcmk__node_fail_standby); const char *maintenance = pcmk__btoa(node->details->maintenance); const char *pending = pcmk__btoa(node->details->pending); const char *unclean = pcmk__btoa(node->details->unclean); const char *health = health_text(pe__node_health(node)); const char *feature_set = get_node_feature_set(node); const char *shutdown = pcmk__btoa(node->details->shutdown); const char *expected_up = pcmk__flag_text(node->priv->flags, pcmk__node_expected_up); const bool is_dc = pcmk__same_node(node, node->priv->scheduler->dc_node); int length = g_list_length(node->details->running_rsc); char *resources_running = pcmk__itoa(length); const char *node_type = node_variant_text(node->priv->variant); int rc = pcmk_rc_ok; rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_NODE, PCMK_XA_NAME, node->priv->name, PCMK_XA_ID, node->priv->id, PCMK_XA_ONLINE, online, PCMK_XA_STANDBY, standby, PCMK_XA_STANDBY_ONFAIL, standby_onfail, PCMK_XA_MAINTENANCE, maintenance, PCMK_XA_PENDING, pending, PCMK_XA_UNCLEAN, unclean, PCMK_XA_HEALTH, health, PCMK_XA_FEATURE_SET, feature_set, PCMK_XA_SHUTDOWN, shutdown, PCMK_XA_EXPECTED_UP, expected_up, PCMK_XA_IS_DC, pcmk__btoa(is_dc), PCMK_XA_RESOURCES_RUNNING, resources_running, PCMK_XA_TYPE, node_type, NULL); free(resources_running); CRM_ASSERT(rc == pcmk_rc_ok); if (pcmk__is_guest_or_bundle_node(node)) { xmlNodePtr xml_node = pcmk__output_xml_peek_parent(out); crm_xml_add(xml_node, PCMK_XA_ID_AS_RESOURCE, node->priv->remote->priv->launcher->id); } if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { GList *lpc = NULL; for (lpc = node->details->running_rsc; lpc != NULL; lpc = lpc->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data; show_opts |= pcmk_show_rsc_only; out->message(out, pcmk__map_element_name(rsc->priv->xml), show_opts, rsc, only_node, only_rsc); } } out->end_list(out); } else { pcmk__output_xml_create_parent(out, PCMK_XE_NODE, PCMK_XA_NAME, node->priv->name, NULL); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-attribute", "const char *", "const char *", "bool", "int") static int node_attribute_text(pcmk__output_t *out, va_list args) { const char *name = va_arg(args, const char *); const char *value = va_arg(args, const char *); bool add_extra = va_arg(args, int); int expected_score = va_arg(args, int); if (add_extra) { int v; if (value == NULL) { v = 0; } else { pcmk__scan_min_int(value, &v, INT_MIN); } if (v <= 0) { out->list_item(out, NULL, "%-32s\t: %-10s\t: Connectivity is lost", name, value); } else if (v < expected_score) { out->list_item(out, NULL, "%-32s\t: %-10s\t: Connectivity is degraded (Expected=%d)", name, value, expected_score); } else { out->list_item(out, NULL, "%-32s\t: %-10s", name, value); } } else { out->list_item(out, NULL, "%-32s\t: %-10s", name, value); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-attribute", "const char *", "const char *", "bool", "int") static int node_attribute_html(pcmk__output_t *out, va_list args) { const char *name = va_arg(args, const char *); const char *value = va_arg(args, const char *); bool add_extra = va_arg(args, int); int expected_score = va_arg(args, int); if (add_extra) { int v = 0; xmlNodePtr item_node = pcmk__output_create_xml_node(out, "li", NULL); xmlNode *child = NULL; if (value != NULL) { pcmk__scan_min_int(value, &v, INT_MIN); } child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, NULL); pcmk__xe_set_content(child, "%s: %s", name, value); if (v <= 0) { child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "(connectivity is lost)"); } else if (v < expected_score) { child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD); pcmk__xe_set_content(child, "(connectivity is degraded -- expected %d)", expected_score); } } else { out->list_item(out, NULL, "%s: %s", name, value); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-and-op", "pcmk_scheduler_t *", "xmlNode *") static int node_and_op(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); xmlNodePtr xml_op = va_arg(args, xmlNodePtr); pcmk_resource_t *rsc = NULL; gchar *node_str = NULL; char *last_change_str = NULL; const char *op_rsc = crm_element_value(xml_op, PCMK_XA_RESOURCE); int status; time_t last_change = 0; pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status, PCMK_EXEC_UNKNOWN); - rsc = pe_find_resource(scheduler->resources, op_rsc); + rsc = pe_find_resource(scheduler->priv->resources, op_rsc); if (rsc) { const pcmk_node_t *node = pcmk__current_node(rsc); const char *target_role = g_hash_table_lookup(rsc->priv->meta, PCMK_META_TARGET_ROLE); uint32_t show_opts = pcmk_show_rsc_only | pcmk_show_pending; if (node == NULL) { node = rsc->priv->pending_node; } node_str = pcmk__native_output_string(rsc, rsc_printable_id(rsc), node, show_opts, target_role, false); } else { node_str = crm_strdup_printf("Unknown resource %s", op_rsc); } if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &last_change) == pcmk_ok) { const char *exec_time = crm_element_value(xml_op, PCMK_XA_EXEC_TIME); last_change_str = crm_strdup_printf(", %s='%s', exec=%sms", PCMK_XA_LAST_RC_CHANGE, pcmk__trim(ctime(&last_change)), exec_time); } out->list_item(out, NULL, "%s: %s (node=%s, call=%s, rc=%s%s): %s", node_str, pcmk__xe_history_key(xml_op), crm_element_value(xml_op, PCMK_XA_UNAME), crm_element_value(xml_op, PCMK__XA_CALL_ID), crm_element_value(xml_op, PCMK__XA_RC_CODE), last_change_str ? last_change_str : "", pcmk_exec_status_str(status)); g_free(node_str); free(last_change_str); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-and-op", "pcmk_scheduler_t *", "xmlNode *") static int node_and_op_xml(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); xmlNodePtr xml_op = va_arg(args, xmlNodePtr); pcmk_resource_t *rsc = NULL; const char *uname = crm_element_value(xml_op, PCMK_XA_UNAME); const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID); const char *rc_s = crm_element_value(xml_op, PCMK__XA_RC_CODE); const char *status_s = NULL; const char *op_rsc = crm_element_value(xml_op, PCMK_XA_RESOURCE); int status; time_t last_change = 0; xmlNode *node = NULL; pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status, PCMK_EXEC_UNKNOWN); status_s = pcmk_exec_status_str(status); node = pcmk__output_create_xml_node(out, PCMK_XE_OPERATION, PCMK_XA_OP, pcmk__xe_history_key(xml_op), PCMK_XA_NODE, uname, PCMK_XA_CALL, call_id, PCMK_XA_RC, rc_s, PCMK_XA_STATUS, status_s, NULL); - rsc = pe_find_resource(scheduler->resources, op_rsc); + rsc = pe_find_resource(scheduler->priv->resources, op_rsc); if (rsc) { const char *class = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS); const char *provider = crm_element_value(rsc->priv->xml, PCMK_XA_PROVIDER); const char *kind = crm_element_value(rsc->priv->xml, PCMK_XA_TYPE); bool has_provider = pcmk_is_set(pcmk_get_ra_caps(class), pcmk_ra_cap_provider); char *agent_tuple = crm_strdup_printf("%s:%s:%s", class, (has_provider? provider : ""), kind); pcmk__xe_set_props(node, PCMK_XA_RSC, rsc_printable_id(rsc), PCMK_XA_AGENT, agent_tuple, NULL); free(agent_tuple); } if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &last_change) == pcmk_ok) { const char *last_rc_change = pcmk__trim(ctime(&last_change)); const char *exec_time = crm_element_value(xml_op, PCMK_XA_EXEC_TIME); pcmk__xe_set_props(node, PCMK_XA_LAST_RC_CHANGE, last_rc_change, PCMK_XA_EXEC_TIME, exec_time, NULL); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-attribute", "const char *", "const char *", "bool", "int") static int node_attribute_xml(pcmk__output_t *out, va_list args) { const char *name = va_arg(args, const char *); const char *value = va_arg(args, const char *); bool add_extra = va_arg(args, int); int expected_score = va_arg(args, int); xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_ATTRIBUTE, PCMK_XA_NAME, name, PCMK_XA_VALUE, value, NULL); if (add_extra) { char *buf = pcmk__itoa(expected_score); crm_xml_add(node, PCMK_XA_EXPECTED, buf); free(buf); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-attribute-list", "pcmk_scheduler_t *", "uint32_t", "bool", "GList *", "GList *") static int node_attribute_list(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer = va_arg(args, int); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); int rc = pcmk_rc_no_output; /* Display each node's attributes */ for (GList *gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *node = gIter->data; GList *attr_list = NULL; GHashTableIter iter; gpointer key; if (!node || !node->details || !node->details->online) { continue; } g_hash_table_iter_init(&iter, node->priv->attrs); while (g_hash_table_iter_next (&iter, &key, NULL)) { attr_list = filter_attr_list(attr_list, key); } if (attr_list == NULL) { continue; } if (!pcmk__str_in_list(node->priv->name, only_node, pcmk__str_star_matches|pcmk__str_casei)) { g_list_free(attr_list); continue; } PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Node Attributes"); out->message(out, "node", node, show_opts, false, only_node, only_rsc); for (GList *aIter = attr_list; aIter != NULL; aIter = aIter->next) { const char *name = aIter->data; const char *value = NULL; int expected_score = 0; bool add_extra = false; value = pcmk__node_attr(node, name, NULL, pcmk__rsc_node_current); add_extra = add_extra_info(node, node->details->running_rsc, scheduler, name, &expected_score); /* Print attribute name and value */ out->message(out, "node-attribute", name, value, add_extra, expected_score); } g_list_free(attr_list); out->end_list(out); } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("node-capacity", "const pcmk_node_t *", "const char *") static int node_capacity(pcmk__output_t *out, va_list args) { const pcmk_node_t *node = va_arg(args, pcmk_node_t *); const char *comment = va_arg(args, const char *); char *dump_text = crm_strdup_printf("%s: %s capacity:", comment, pcmk__node_name(node)); g_hash_table_foreach(node->priv->utilization, append_dump_text, &dump_text); out->list_item(out, NULL, "%s", dump_text); free(dump_text); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-capacity", "const pcmk_node_t *", "const char *") static int node_capacity_xml(pcmk__output_t *out, va_list args) { const pcmk_node_t *node = va_arg(args, pcmk_node_t *); const char *uname = node->priv->name; const char *comment = va_arg(args, const char *); xmlNodePtr xml_node = pcmk__output_create_xml_node(out, PCMK_XE_CAPACITY, PCMK_XA_NODE, uname, PCMK_XA_COMMENT, comment, NULL); g_hash_table_foreach(node->priv->utilization, add_dump_node, xml_node); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-history-list", "pcmk_scheduler_t *", "pcmk_node_t *", "xmlNode *", "GList *", "GList *", "uint32_t", "uint32_t") static int node_history_list(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); pcmk_node_t *node = va_arg(args, pcmk_node_t *); xmlNode *node_state = va_arg(args, xmlNode *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); uint32_t section_opts = va_arg(args, uint32_t); uint32_t show_opts = va_arg(args, uint32_t); xmlNode *lrm_rsc = NULL; xmlNode *rsc_entry = NULL; int rc = pcmk_rc_no_output; lrm_rsc = pcmk__xe_first_child(node_state, PCMK__XE_LRM, NULL, NULL); lrm_rsc = pcmk__xe_first_child(lrm_rsc, PCMK__XE_LRM_RESOURCES, NULL, NULL); /* Print history of each of the node's resources */ for (rsc_entry = pcmk__xe_first_child(lrm_rsc, PCMK__XE_LRM_RESOURCE, NULL, NULL); rsc_entry != NULL; rsc_entry = pcmk__xe_next_same(rsc_entry)) { const char *rsc_id = crm_element_value(rsc_entry, PCMK_XA_ID); - pcmk_resource_t *rsc = pe_find_resource(scheduler->resources, rsc_id); + pcmk_resource_t *rsc = pe_find_resource(scheduler->priv->resources, + rsc_id); const pcmk_resource_t *parent = pe__const_top_resource(rsc, false); /* We can't use is_filtered here to filter group resources. For is_filtered, * we have to decide whether to check the parent or not. If we check the * parent, all elements of a group will always be printed because that's how * is_filtered works for groups. If we do not check the parent, sometimes * this will filter everything out. * * For other resource types, is_filtered is okay. */ if (pcmk__is_group(parent)) { if (!pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) && !pcmk__str_in_list(rsc_printable_id(parent), only_rsc, pcmk__str_star_matches)) { continue; } } else if (rsc->priv->fns->is_filtered(rsc, only_rsc, TRUE)) { continue; } if (!pcmk_is_set(section_opts, pcmk_section_operations)) { time_t last_failure = 0; int failcount = pe_get_failcount(node, rsc, &last_failure, pcmk__fc_default, NULL); if (failcount <= 0) { continue; } if (rc == pcmk_rc_no_output) { rc = pcmk_rc_ok; out->message(out, "node", node, show_opts, false, only_node, only_rsc); } out->message(out, "resource-history", rsc, rsc_id, false, failcount, last_failure, false); } else { GList *op_list = get_operation_list(rsc_entry); pcmk_resource_t *rsc = NULL; if (op_list == NULL) { continue; } - rsc = pe_find_resource(scheduler->resources, + rsc = pe_find_resource(scheduler->priv->resources, crm_element_value(rsc_entry, PCMK_XA_ID)); if (rc == pcmk_rc_no_output) { rc = pcmk_rc_ok; out->message(out, "node", node, show_opts, false, only_node, only_rsc); } out->message(out, "resource-operation-list", scheduler, rsc, node, op_list, show_opts); } } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("node-list", "GList *", "GList *", "GList *", "uint32_t", "bool") static int node_list_html(pcmk__output_t *out, va_list args) { GList *nodes = va_arg(args, GList *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer G_GNUC_UNUSED = va_arg(args, int); int rc = pcmk_rc_no_output; for (GList *gIter = nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *node = (pcmk_node_t *) gIter->data; if (!pcmk__str_in_list(node->priv->name, only_node, pcmk__str_star_matches|pcmk__str_casei)) { continue; } PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Node List"); out->message(out, "node", node, show_opts, true, only_node, only_rsc); } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("node-list", "GList *", "GList *", "GList *", "uint32_t", "bool") static int node_list_text(pcmk__output_t *out, va_list args) { GList *nodes = va_arg(args, GList *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer = va_arg(args, int); /* space-separated lists of node names */ GString *online_nodes = NULL; GString *online_remote_nodes = NULL; GString *online_guest_nodes = NULL; GString *offline_nodes = NULL; GString *offline_remote_nodes = NULL; int rc = pcmk_rc_no_output; for (GList *gIter = nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *node = (pcmk_node_t *) gIter->data; char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id)); if (!pcmk__str_in_list(node->priv->name, only_node, pcmk__str_star_matches|pcmk__str_casei)) { free(node_name); continue; } PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Node List"); // Determine whether to display node individually or in a list if (node->details->unclean || node->details->pending || (pcmk_is_set(node->priv->flags, pcmk__node_fail_standby) && node->details->online) || pcmk_is_set(node->priv->flags, pcmk__node_standby) || node->details->maintenance || pcmk_is_set(show_opts, pcmk_show_rscs_by_node) || pcmk_is_set(show_opts, pcmk_show_feature_set) || (pe__node_health(node) <= 0)) { // Display node individually } else if (node->details->online) { // Display online node in a list if (pcmk__is_guest_or_bundle_node(node)) { pcmk__add_word(&online_guest_nodes, 1024, node_name); } else if (pcmk__is_remote_node(node)) { pcmk__add_word(&online_remote_nodes, 1024, node_name); } else { pcmk__add_word(&online_nodes, 1024, node_name); } free(node_name); continue; } else { // Display offline node in a list if (pcmk__is_remote_node(node)) { pcmk__add_word(&offline_remote_nodes, 1024, node_name); } else if (pcmk__is_guest_or_bundle_node(node)) { /* ignore offline guest nodes */ } else { pcmk__add_word(&offline_nodes, 1024, node_name); } free(node_name); continue; } /* If we get here, node is in bad state, or we're grouping by node */ out->message(out, "node", node, show_opts, true, only_node, only_rsc); free(node_name); } /* If we're not grouping by node, summarize nodes by status */ if (online_nodes != NULL) { out->list_item(out, "Online", "[ %s ]", (const char *) online_nodes->str); g_string_free(online_nodes, TRUE); } if (offline_nodes != NULL) { out->list_item(out, "OFFLINE", "[ %s ]", (const char *) offline_nodes->str); g_string_free(offline_nodes, TRUE); } if (online_remote_nodes) { out->list_item(out, "RemoteOnline", "[ %s ]", (const char *) online_remote_nodes->str); g_string_free(online_remote_nodes, TRUE); } if (offline_remote_nodes) { out->list_item(out, "RemoteOFFLINE", "[ %s ]", (const char *) offline_remote_nodes->str); g_string_free(offline_remote_nodes, TRUE); } if (online_guest_nodes != NULL) { out->list_item(out, "GuestOnline", "[ %s ]", (const char *) online_guest_nodes->str); g_string_free(online_guest_nodes, TRUE); } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("node-list", "GList *", "GList *", "GList *", "uint32_t", "bool") static int node_list_xml(pcmk__output_t *out, va_list args) { GList *nodes = va_arg(args, GList *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer G_GNUC_UNUSED = va_arg(args, int); /* PCMK_XE_NODES acts as the list's element name for CLI tools that use * pcmk__output_enable_list_element. Otherwise PCMK_XE_NODES is the * value of the list's PCMK_XA_NAME attribute. */ out->begin_list(out, NULL, NULL, PCMK_XE_NODES); for (GList *gIter = nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *node = (pcmk_node_t *) gIter->data; if (!pcmk__str_in_list(node->priv->name, only_node, pcmk__str_star_matches|pcmk__str_casei)) { continue; } out->message(out, "node", node, show_opts, true, only_node, only_rsc); } out->end_list(out); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-summary", "pcmk_scheduler_t *", "GList *", "GList *", "uint32_t", "uint32_t", "bool") static int node_summary(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); uint32_t section_opts = va_arg(args, uint32_t); uint32_t show_opts = va_arg(args, uint32_t); bool print_spacer = va_arg(args, int); xmlNode *node_state = NULL; xmlNode *cib_status = pcmk_find_cib_element(scheduler->input, PCMK_XE_STATUS); int rc = pcmk_rc_no_output; if (xmlChildElementCount(cib_status) == 0) { return rc; } for (node_state = pcmk__xe_first_child(cib_status, PCMK__XE_NODE_STATE, NULL, NULL); node_state != NULL; node_state = pcmk__xe_next_same(node_state)) { pcmk_node_t *node = pe_find_node_id(scheduler->nodes, pcmk__xe_id(node_state)); if (!node || !node->details || !node->details->online) { continue; } if (!pcmk__str_in_list(node->priv->name, only_node, pcmk__str_star_matches|pcmk__str_casei)) { continue; } PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, pcmk_is_set(section_opts, pcmk_section_operations) ? "Operations" : "Migration Summary"); out->message(out, "node-history-list", scheduler, node, node_state, only_node, only_rsc, section_opts, show_opts); } PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("node-weight", "const pcmk_resource_t *", "const char *", "const char *", "const char *") static int node_weight(pcmk__output_t *out, va_list args) { const pcmk_resource_t *rsc = va_arg(args, const pcmk_resource_t *); const char *prefix = va_arg(args, const char *); const char *uname = va_arg(args, const char *); const char *score = va_arg(args, const char *); if (rsc) { out->list_item(out, NULL, "%s: %s allocation score on %s: %s", prefix, rsc->id, uname, score); } else { out->list_item(out, NULL, "%s: %s = %s", prefix, uname, score); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("node-weight", "const pcmk_resource_t *", "const char *", "const char *", "const char *") static int node_weight_xml(pcmk__output_t *out, va_list args) { const pcmk_resource_t *rsc = va_arg(args, const pcmk_resource_t *); const char *prefix = va_arg(args, const char *); const char *uname = va_arg(args, const char *); const char *score = va_arg(args, const char *); xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_NODE_WEIGHT, PCMK_XA_FUNCTION, prefix, PCMK_XA_NODE, uname, PCMK_XA_SCORE, score, NULL); if (rsc) { crm_xml_add(node, PCMK_XA_ID, rsc->id); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("op-history", "xmlNode *", "const char *", "const char *", "int", "uint32_t") static int op_history_text(pcmk__output_t *out, va_list args) { xmlNodePtr xml_op = va_arg(args, xmlNodePtr); const char *task = va_arg(args, const char *); const char *interval_ms_s = va_arg(args, const char *); int rc = va_arg(args, int); uint32_t show_opts = va_arg(args, uint32_t); char *buf = op_history_string(xml_op, task, interval_ms_s, rc, pcmk_is_set(show_opts, pcmk_show_timing)); out->list_item(out, NULL, "%s", buf); free(buf); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("op-history", "xmlNode *", "const char *", "const char *", "int", "uint32_t") static int op_history_xml(pcmk__output_t *out, va_list args) { xmlNodePtr xml_op = va_arg(args, xmlNodePtr); const char *task = va_arg(args, const char *); const char *interval_ms_s = va_arg(args, const char *); int rc = va_arg(args, int); uint32_t show_opts = va_arg(args, uint32_t); const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID); char *rc_s = pcmk__itoa(rc); const char *rc_text = services_ocf_exitcode_str(rc); xmlNodePtr node = NULL; node = pcmk__output_create_xml_node(out, PCMK_XE_OPERATION_HISTORY, PCMK_XA_CALL, call_id, PCMK_XA_TASK, task, PCMK_XA_RC, rc_s, PCMK_XA_RC_TEXT, rc_text, NULL); free(rc_s); if (interval_ms_s && !pcmk__str_eq(interval_ms_s, "0", pcmk__str_casei)) { char *s = crm_strdup_printf("%sms", interval_ms_s); crm_xml_add(node, PCMK_XA_INTERVAL, s); free(s); } if (pcmk_is_set(show_opts, pcmk_show_timing)) { const char *value = NULL; time_t epoch = 0; if ((crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &epoch) == pcmk_ok) && (epoch > 0)) { char *s = pcmk__epoch2str(&epoch, 0); crm_xml_add(node, PCMK_XA_LAST_RC_CHANGE, s); free(s); } value = crm_element_value(xml_op, PCMK_XA_EXEC_TIME); if (value) { char *s = crm_strdup_printf("%sms", value); crm_xml_add(node, PCMK_XA_EXEC_TIME, s); free(s); } value = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME); if (value) { char *s = crm_strdup_printf("%sms", value); crm_xml_add(node, PCMK_XA_QUEUE_TIME, s); free(s); } } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("promotion-score", "pcmk_resource_t *", "pcmk_node_t *", "const char *") static int promotion_score(pcmk__output_t *out, va_list args) { pcmk_resource_t *child_rsc = va_arg(args, pcmk_resource_t *); pcmk_node_t *chosen = va_arg(args, pcmk_node_t *); const char *score = va_arg(args, const char *); if (chosen == NULL) { out->list_item(out, NULL, "%s promotion score (inactive): %s", child_rsc->id, score); } else { out->list_item(out, NULL, "%s promotion score on %s: %s", child_rsc->id, pcmk__node_name(chosen), score); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("promotion-score", "pcmk_resource_t *", "pcmk_node_t *", "const char *") static int promotion_score_xml(pcmk__output_t *out, va_list args) { pcmk_resource_t *child_rsc = va_arg(args, pcmk_resource_t *); pcmk_node_t *chosen = va_arg(args, pcmk_node_t *); const char *score = va_arg(args, const char *); xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_PROMOTION_SCORE, PCMK_XA_ID, child_rsc->id, PCMK_XA_SCORE, score, NULL); if (chosen) { crm_xml_add(node, PCMK_XA_NODE, chosen->priv->name); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("resource-config", "const pcmk_resource_t *", "bool") static int resource_config(pcmk__output_t *out, va_list args) { const pcmk_resource_t *rsc = va_arg(args, const pcmk_resource_t *); GString *xml_buf = g_string_sized_new(1024); bool raw = va_arg(args, int); formatted_xml_buf(rsc, xml_buf, raw); out->output_xml(out, PCMK_XE_XML, xml_buf->str); g_string_free(xml_buf, TRUE); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("resource-config", "const pcmk_resource_t *", "bool") static int resource_config_text(pcmk__output_t *out, va_list args) { pcmk__formatted_printf(out, "Resource XML:\n"); return resource_config(out, args); } PCMK__OUTPUT_ARGS("resource-history", "pcmk_resource_t *", "const char *", "bool", "int", "time_t", "bool") static int resource_history_text(pcmk__output_t *out, va_list args) { pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); const char *rsc_id = va_arg(args, const char *); bool all = va_arg(args, int); int failcount = va_arg(args, int); time_t last_failure = va_arg(args, time_t); bool as_header = va_arg(args, int); char *buf = resource_history_string(rsc, rsc_id, all, failcount, last_failure); if (as_header) { out->begin_list(out, NULL, NULL, "%s", buf); } else { out->list_item(out, NULL, "%s", buf); } free(buf); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("resource-history", "pcmk_resource_t *", "const char *", "bool", "int", "time_t", "bool") static int resource_history_xml(pcmk__output_t *out, va_list args) { pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); const char *rsc_id = va_arg(args, const char *); bool all = va_arg(args, int); int failcount = va_arg(args, int); time_t last_failure = va_arg(args, time_t); bool as_header = va_arg(args, int); xmlNodePtr node = pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCE_HISTORY, PCMK_XA_ID, rsc_id, NULL); if (rsc == NULL) { pcmk__xe_set_bool_attr(node, PCMK_XA_ORPHAN, true); } else if (all || failcount || last_failure > 0) { char *migration_s = pcmk__itoa(rsc->priv->ban_after_failures); pcmk__xe_set_props(node, PCMK_XA_ORPHAN, PCMK_VALUE_FALSE, PCMK_META_MIGRATION_THRESHOLD, migration_s, NULL); free(migration_s); if (failcount > 0) { char *s = pcmk__itoa(failcount); crm_xml_add(node, PCMK_XA_FAIL_COUNT, s); free(s); } if (last_failure > 0) { char *s = pcmk__epoch2str(&last_failure, 0); crm_xml_add(node, PCMK_XA_LAST_FAILURE, s); free(s); } } if (!as_header) { pcmk__output_xml_pop_parent(out); } return pcmk_rc_ok; } static void print_resource_header(pcmk__output_t *out, uint32_t show_opts) { if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { /* Active resources have already been printed by node */ out->begin_list(out, NULL, NULL, "Inactive Resources"); } else if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) { out->begin_list(out, NULL, NULL, "Full List of Resources"); } else { out->begin_list(out, NULL, NULL, "Active Resources"); } } PCMK__OUTPUT_ARGS("resource-list", "pcmk_scheduler_t *", "uint32_t", "bool", "GList *", "GList *", "bool") static int resource_list(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *); uint32_t show_opts = va_arg(args, uint32_t); bool print_summary = va_arg(args, int); GList *only_node = va_arg(args, GList *); GList *only_rsc = va_arg(args, GList *); bool print_spacer = va_arg(args, int); GList *rsc_iter; int rc = pcmk_rc_no_output; bool printed_header = false; /* If we already showed active resources by node, and * we're not showing inactive resources, we have nothing to do */ if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node) && !pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) { return rc; } /* If we haven't already printed resources grouped by node, * and brief output was requested, print resource summary */ if (pcmk_is_set(show_opts, pcmk_show_brief) && !pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { - GList *rscs = pe__filter_rsc_list(scheduler->resources, only_rsc); + GList *rscs = pe__filter_rsc_list(scheduler->priv->resources, only_rsc); PCMK__OUTPUT_SPACER_IF(out, print_spacer); print_resource_header(out, show_opts); printed_header = true; rc = pe__rscs_brief_output(out, rscs, show_opts); g_list_free(rscs); } /* For each resource, display it if appropriate */ - for (rsc_iter = scheduler->resources; rsc_iter != NULL; rsc_iter = rsc_iter->next) { + for (rsc_iter = scheduler->priv->resources; + rsc_iter != NULL; rsc_iter = rsc_iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) rsc_iter->data; int x; /* Complex resources may have some sub-resources active and some inactive */ gboolean is_active = rsc->priv->fns->active(rsc, TRUE); gboolean partially_active = rsc->priv->fns->active(rsc, FALSE); /* Skip inactive orphans (deleted but still in CIB) */ if (pcmk_is_set(rsc->flags, pcmk__rsc_removed) && !is_active) { continue; /* Skip active resources if we already displayed them by node */ } else if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { if (is_active) { continue; } /* Skip primitives already counted in a brief summary */ } else if (pcmk_is_set(show_opts, pcmk_show_brief) && pcmk__is_primitive(rsc)) { continue; /* Skip resources that aren't at least partially active, * unless we're displaying inactive resources */ } else if (!partially_active && !pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) { continue; } else if (partially_active && !pe__rsc_running_on_any(rsc, only_node)) { continue; } if (!printed_header) { PCMK__OUTPUT_SPACER_IF(out, print_spacer); print_resource_header(out, show_opts); printed_header = true; } /* Print this resource */ x = out->message(out, pcmk__map_element_name(rsc->priv->xml), show_opts, rsc, only_node, only_rsc); if (x == pcmk_rc_ok) { rc = pcmk_rc_ok; } } if (print_summary && rc != pcmk_rc_ok) { if (!printed_header) { PCMK__OUTPUT_SPACER_IF(out, print_spacer); print_resource_header(out, show_opts); printed_header = true; } if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) { out->list_item(out, NULL, "No inactive resources"); } else if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) { out->list_item(out, NULL, "No resources"); } else { out->list_item(out, NULL, "No active resources"); } } if (printed_header) { out->end_list(out); } return rc; } PCMK__OUTPUT_ARGS("resource-operation-list", "pcmk_scheduler_t *", "pcmk_resource_t *", "pcmk_node_t *", "GList *", "uint32_t") static int resource_operation_list(pcmk__output_t *out, va_list args) { pcmk_scheduler_t *scheduler G_GNUC_UNUSED = va_arg(args, pcmk_scheduler_t *); pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); pcmk_node_t *node = va_arg(args, pcmk_node_t *); GList *op_list = va_arg(args, GList *); uint32_t show_opts = va_arg(args, uint32_t); GList *gIter = NULL; int rc = pcmk_rc_no_output; /* Print each operation */ for (gIter = op_list; gIter != NULL; gIter = gIter->next) { xmlNode *xml_op = (xmlNode *) gIter->data; const char *task = crm_element_value(xml_op, PCMK_XA_OPERATION); const char *interval_ms_s = crm_element_value(xml_op, PCMK_META_INTERVAL); const char *op_rc = crm_element_value(xml_op, PCMK__XA_RC_CODE); int op_rc_i; pcmk__scan_min_int(op_rc, &op_rc_i, 0); /* Display 0-interval monitors as "probe" */ if (pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei) && pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches | pcmk__str_casei)) { task = "probe"; } /* If this is the first printed operation, print heading for resource */ if (rc == pcmk_rc_no_output) { time_t last_failure = 0; int failcount = pe_get_failcount(node, rsc, &last_failure, pcmk__fc_default, NULL); out->message(out, "resource-history", rsc, rsc_printable_id(rsc), true, failcount, last_failure, true); rc = pcmk_rc_ok; } /* Print the operation */ out->message(out, "op-history", xml_op, task, interval_ms_s, op_rc_i, show_opts); } /* Free the list we created (no need to free the individual items) */ g_list_free(op_list); PCMK__OUTPUT_LIST_FOOTER(out, rc); return rc; } PCMK__OUTPUT_ARGS("resource-util", "pcmk_resource_t *", "pcmk_node_t *", "const char *") static int resource_util(pcmk__output_t *out, va_list args) { pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); pcmk_node_t *node = va_arg(args, pcmk_node_t *); const char *fn = va_arg(args, const char *); char *dump_text = crm_strdup_printf("%s: %s utilization on %s:", fn, rsc->id, pcmk__node_name(node)); g_hash_table_foreach(rsc->priv->utilization, append_dump_text, &dump_text); out->list_item(out, NULL, "%s", dump_text); free(dump_text); return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("resource-util", "pcmk_resource_t *", "pcmk_node_t *", "const char *") static int resource_util_xml(pcmk__output_t *out, va_list args) { pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *); pcmk_node_t *node = va_arg(args, pcmk_node_t *); const char *uname = node->priv->name; const char *fn = va_arg(args, const char *); xmlNodePtr xml_node = NULL; xml_node = pcmk__output_create_xml_node(out, PCMK_XE_UTILIZATION, PCMK_XA_RESOURCE, rsc->id, PCMK_XA_NODE, uname, PCMK_XA_FUNCTION, fn, NULL); g_hash_table_foreach(rsc->priv->utilization, add_dump_node, xml_node); return pcmk_rc_ok; } static inline const char * ticket_status(pcmk__ticket_t *ticket) { if (pcmk_is_set(ticket->flags, pcmk__ticket_granted)) { return PCMK_VALUE_GRANTED; } return PCMK_VALUE_REVOKED; } static inline const char * ticket_standby_text(pcmk__ticket_t *ticket) { return pcmk_is_set(ticket->flags, pcmk__ticket_standby)? " [standby]" : ""; } PCMK__OUTPUT_ARGS("ticket", "pcmk__ticket_t *", "bool", "bool") static int ticket_default(pcmk__output_t *out, va_list args) { pcmk__ticket_t *ticket = va_arg(args, pcmk__ticket_t *); bool raw = va_arg(args, int); bool details = va_arg(args, int); GString *detail_str = NULL; if (raw) { out->list_item(out, ticket->id, "%s", ticket->id); return pcmk_rc_ok; } if (details && g_hash_table_size(ticket->state) > 0) { GHashTableIter iter; const char *name = NULL; const char *value = NULL; bool already_added = false; detail_str = g_string_sized_new(100); pcmk__g_strcat(detail_str, "\t(", NULL); g_hash_table_iter_init(&iter, ticket->state); while (g_hash_table_iter_next(&iter, (void **) &name, (void **) &value)) { if (already_added) { g_string_append_printf(detail_str, ", %s=", name); } else { g_string_append_printf(detail_str, "%s=", name); already_added = true; } if (pcmk__str_any_of(name, PCMK_XA_LAST_GRANTED, "expires", NULL)) { char *epoch_str = NULL; long long time_ll; pcmk__scan_ll(value, &time_ll, 0); epoch_str = pcmk__epoch2str((const time_t *) &time_ll, 0); pcmk__g_strcat(detail_str, epoch_str, NULL); free(epoch_str); } else { pcmk__g_strcat(detail_str, value, NULL); } } pcmk__g_strcat(detail_str, ")", NULL); } if (ticket->last_granted > -1) { /* Prior to the introduction of the details & raw arguments to this * function, last-granted would always be added in this block. We need * to preserve that behavior. At the same time, we also need to preserve * the existing behavior from crm_ticket, which would include last-granted * as part of the (...) detail string. * * Luckily we can check detail_str - if it's NULL, either there were no * details, or we are preserving the previous behavior of this function. * If it's not NULL, we are either preserving the previous behavior of * crm_ticket or we were given details=true as an argument. */ if (detail_str == NULL) { char *epoch_str = pcmk__epoch2str(&(ticket->last_granted), 0); out->list_item(out, NULL, "%s\t%s%s last-granted=\"%s\"", ticket->id, ticket_status(ticket), ticket_standby_text(ticket), pcmk__s(epoch_str, "")); free(epoch_str); } else { out->list_item(out, NULL, "%s\t%s%s %s", ticket->id, ticket_status(ticket), ticket_standby_text(ticket), detail_str->str); } } else { out->list_item(out, NULL, "%s\t%s%s%s", ticket->id, ticket_status(ticket), ticket_standby_text(ticket), detail_str != NULL ? detail_str->str : ""); } if (detail_str != NULL) { g_string_free(detail_str, TRUE); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("ticket", "pcmk__ticket_t *", "bool", "bool") static int ticket_xml(pcmk__output_t *out, va_list args) { pcmk__ticket_t *ticket = va_arg(args, pcmk__ticket_t *); bool raw G_GNUC_UNUSED = va_arg(args, int); bool details G_GNUC_UNUSED = va_arg(args, int); const char *standby = pcmk__flag_text(ticket->flags, pcmk__ticket_standby); xmlNodePtr node = NULL; GHashTableIter iter; const char *name = NULL; const char *value = NULL; node = pcmk__output_create_xml_node(out, PCMK_XE_TICKET, PCMK_XA_ID, ticket->id, PCMK_XA_STATUS, ticket_status(ticket), PCMK_XA_STANDBY, standby, NULL); if (ticket->last_granted > -1) { char *buf = pcmk__epoch2str(&ticket->last_granted, 0); crm_xml_add(node, PCMK_XA_LAST_GRANTED, buf); free(buf); } g_hash_table_iter_init(&iter, ticket->state); while (g_hash_table_iter_next(&iter, (void **) &name, (void **) &value)) { /* PCMK_XA_LAST_GRANTED and "expires" are already added by the check * for ticket->last_granted above. */ if (pcmk__str_any_of(name, PCMK_XA_LAST_GRANTED, PCMK_XA_EXPIRES, NULL)) { continue; } crm_xml_add(node, name, value); } return pcmk_rc_ok; } PCMK__OUTPUT_ARGS("ticket-list", "GHashTable *", "bool", "bool", "bool") static int ticket_list(pcmk__output_t *out, va_list args) { GHashTable *tickets = va_arg(args, GHashTable *); bool print_spacer = va_arg(args, int); bool raw = va_arg(args, int); bool details = va_arg(args, int); GHashTableIter iter; gpointer value; if (g_hash_table_size(tickets) == 0) { return pcmk_rc_no_output; } PCMK__OUTPUT_SPACER_IF(out, print_spacer); /* Print section heading */ out->begin_list(out, NULL, NULL, "Tickets"); /* Print each ticket */ g_hash_table_iter_init(&iter, tickets); while (g_hash_table_iter_next(&iter, NULL, &value)) { pcmk__ticket_t *ticket = (pcmk__ticket_t *) value; out->message(out, "ticket", ticket, raw, details); } /* Close section */ out->end_list(out); return pcmk_rc_ok; } static pcmk__message_entry_t fmt_functions[] = { { "ban", "default", ban_text }, { "ban", "html", ban_html }, { "ban", "xml", ban_xml }, { "ban-list", "default", ban_list }, { "bundle", "default", pe__bundle_text }, { "bundle", "xml", pe__bundle_xml }, { "bundle", "html", pe__bundle_html }, { "clone", "default", pe__clone_default }, { "clone", "xml", pe__clone_xml }, { "cluster-counts", "default", cluster_counts_text }, { "cluster-counts", "html", cluster_counts_html }, { "cluster-counts", "xml", cluster_counts_xml }, { "cluster-dc", "default", cluster_dc_text }, { "cluster-dc", "html", cluster_dc_html }, { "cluster-dc", "xml", cluster_dc_xml }, { "cluster-options", "default", cluster_options_text }, { "cluster-options", "html", cluster_options_html }, { "cluster-options", "log", cluster_options_log }, { "cluster-options", "xml", cluster_options_xml }, { "cluster-summary", "default", cluster_summary }, { "cluster-summary", "html", cluster_summary_html }, { "cluster-stack", "default", cluster_stack_text }, { "cluster-stack", "html", cluster_stack_html }, { "cluster-stack", "xml", cluster_stack_xml }, { "cluster-times", "default", cluster_times_text }, { "cluster-times", "html", cluster_times_html }, { "cluster-times", "xml", cluster_times_xml }, { "failed-action", "default", failed_action_default }, { "failed-action", "xml", failed_action_xml }, { "failed-action-list", "default", failed_action_list }, { "group", "default", pe__group_default}, { "group", "xml", pe__group_xml }, { "maint-mode", "text", cluster_maint_mode_text }, { "node", "default", node_text }, { "node", "html", node_html }, { "node", "xml", node_xml }, { "node-and-op", "default", node_and_op }, { "node-and-op", "xml", node_and_op_xml }, { "node-capacity", "default", node_capacity }, { "node-capacity", "xml", node_capacity_xml }, { "node-history-list", "default", node_history_list }, { "node-list", "default", node_list_text }, { "node-list", "html", node_list_html }, { "node-list", "xml", node_list_xml }, { "node-weight", "default", node_weight }, { "node-weight", "xml", node_weight_xml }, { "node-attribute", "default", node_attribute_text }, { "node-attribute", "html", node_attribute_html }, { "node-attribute", "xml", node_attribute_xml }, { "node-attribute-list", "default", node_attribute_list }, { "node-summary", "default", node_summary }, { "op-history", "default", op_history_text }, { "op-history", "xml", op_history_xml }, { "primitive", "default", pe__resource_text }, { "primitive", "xml", pe__resource_xml }, { "primitive", "html", pe__resource_html }, { "promotion-score", "default", promotion_score }, { "promotion-score", "xml", promotion_score_xml }, { "resource-config", "default", resource_config }, { "resource-config", "text", resource_config_text }, { "resource-history", "default", resource_history_text }, { "resource-history", "xml", resource_history_xml }, { "resource-list", "default", resource_list }, { "resource-operation-list", "default", resource_operation_list }, { "resource-util", "default", resource_util }, { "resource-util", "xml", resource_util_xml }, { "ticket", "default", ticket_default }, { "ticket", "xml", ticket_xml }, { "ticket-list", "default", ticket_list }, { NULL, NULL, NULL } }; void pe__register_messages(pcmk__output_t *out) { pcmk__register_messages(out, fmt_functions); } diff --git a/lib/pengine/status.c b/lib/pengine/status.c index 8adfe6ffab..997e4a11c0 100644 --- a/lib/pengine/status.c +++ b/lib/pengine/status.c @@ -1,528 +1,529 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include /*! * \brief Create a new object to hold scheduler data * * \return New, initialized scheduler data on success, else NULL (and set errno) * \note Only pcmk_scheduler_t objects created with this function (as opposed * to statically declared or directly allocated) should be used with the * functions in this library, to allow for future extensions to the * data type. The caller is responsible for freeing the memory with * pe_free_working_set() when the instance is no longer needed. */ pcmk_scheduler_t * pe_new_working_set(void) { pcmk_scheduler_t *scheduler = calloc(1, sizeof(pcmk_scheduler_t)); if (scheduler == NULL) { return NULL; } scheduler->priv = calloc(1, sizeof(pcmk__scheduler_private_t)); if (scheduler->priv == NULL) { free(scheduler); return NULL; } set_working_set_defaults(scheduler); return scheduler; } /*! * \brief Free scheduler data * * \param[in,out] scheduler Scheduler data to free */ void pe_free_working_set(pcmk_scheduler_t *scheduler) { if (scheduler != NULL) { pe_reset_working_set(scheduler); free(scheduler->priv); free(scheduler); } } #define XPATH_DEPRECATED_RULES \ "//" PCMK_XE_OP_DEFAULTS "//" PCMK_XE_EXPRESSION \ "|//" PCMK_XE_OP "//" PCMK_XE_EXPRESSION /*! * \internal * \brief Log a warning for deprecated rule syntax in operations * * \param[in] scheduler Scheduler data */ static void check_for_deprecated_rules(pcmk_scheduler_t *scheduler) { // @COMPAT Drop this function when support for the syntax is dropped xmlNode *deprecated = get_xpath_object(XPATH_DEPRECATED_RULES, scheduler->input, LOG_NEVER); if (deprecated != NULL) { pcmk__warn_once(pcmk__wo_op_attr_expr, "Support for rules with node attribute expressions in " PCMK_XE_OP " or " PCMK_XE_OP_DEFAULTS " is deprecated " "and will be dropped in a future release"); } } /* * Unpack everything * At the end you'll have: * - A list of nodes * - A list of resources (each with any dependencies on other resources) * - A list of constraints between resources and nodes * - A list of constraints between start/stop actions * - A list of nodes that need to be stonith'd * - A list of nodes that need to be shutdown * - A list of the possible stop/start actions (without dependencies) */ gboolean cluster_status(pcmk_scheduler_t * scheduler) { const char *new_version = NULL; xmlNode *section = NULL; if ((scheduler == NULL) || (scheduler->input == NULL)) { return FALSE; } new_version = crm_element_value(scheduler->input, PCMK_XA_CRM_FEATURE_SET); if (pcmk__check_feature_set(new_version) != pcmk_rc_ok) { pcmk__config_err("Can't process CIB with feature set '%s' greater than our own '%s'", new_version, CRM_FEATURE_SET); return FALSE; } crm_trace("Beginning unpack"); if (scheduler->failed != NULL) { pcmk__xml_free(scheduler->failed); } scheduler->failed = pcmk__xe_create(NULL, "failed-ops"); if (scheduler->priv->now == NULL) { scheduler->priv->now = crm_time_new(NULL); } if (pcmk__xe_attr_is_true(scheduler->input, PCMK_XA_HAVE_QUORUM)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_quorate); } else { pcmk__clear_scheduler_flags(scheduler, pcmk__sched_quorate); } scheduler->op_defaults = get_xpath_object("//" PCMK_XE_OP_DEFAULTS, scheduler->input, LOG_NEVER); check_for_deprecated_rules(scheduler); scheduler->rsc_defaults = get_xpath_object("//" PCMK_XE_RSC_DEFAULTS, scheduler->input, LOG_NEVER); section = get_xpath_object("//" PCMK_XE_CRM_CONFIG, scheduler->input, LOG_TRACE); unpack_config(section, scheduler); if (!pcmk_any_flags_set(scheduler->flags, pcmk__sched_location_only|pcmk__sched_quorate) && (scheduler->no_quorum_policy != pcmk_no_quorum_ignore)) { pcmk__sched_warn(scheduler, "Fencing and resource management disabled " "due to lack of quorum"); } section = get_xpath_object("//" PCMK_XE_NODES, scheduler->input, LOG_TRACE); unpack_nodes(section, scheduler); section = get_xpath_object("//" PCMK_XE_RESOURCES, scheduler->input, LOG_TRACE); if (!pcmk_is_set(scheduler->flags, pcmk__sched_location_only)) { unpack_remote_nodes(section, scheduler); } unpack_resources(section, scheduler); section = get_xpath_object("//" PCMK_XE_TAGS, scheduler->input, LOG_NEVER); unpack_tags(section, scheduler); if (!pcmk_is_set(scheduler->flags, pcmk__sched_location_only)) { section = get_xpath_object("//" PCMK_XE_STATUS, scheduler->input, LOG_TRACE); unpack_status(section, scheduler); } if (!pcmk_is_set(scheduler->flags, pcmk__sched_no_counts)) { - for (GList *item = scheduler->resources; item != NULL; - item = item->next) { + for (GList *item = scheduler->priv->resources; + item != NULL; item = item->next) { + pcmk_resource_t *rsc = item->data; rsc->priv->fns->count(item->data); } crm_trace("Cluster resource count: %d (%d disabled, %d blocked)", scheduler->ninstances, scheduler->disabled_resources, scheduler->blocked_resources); } pcmk__set_scheduler_flags(scheduler, pcmk__sched_have_status); return TRUE; } /*! * \internal * \brief Free a list of pcmk_resource_t * * \param[in,out] resources List to free * * \note When the scheduler's resource list is freed, that includes the original * storage for the uname and id of any Pacemaker Remote nodes in the * scheduler's node list, so take care not to use those afterward. * \todo Refactor pcmk_node_t to strdup() the node name. */ static void pe_free_resources(GList *resources) { pcmk_resource_t *rsc = NULL; GList *iterator = resources; while (iterator != NULL) { rsc = (pcmk_resource_t *) iterator->data; iterator = iterator->next; rsc->priv->fns->free(rsc); } if (resources != NULL) { g_list_free(resources); } } static void pe_free_actions(GList *actions) { GList *iterator = actions; while (iterator != NULL) { pe_free_action(iterator->data); iterator = iterator->next; } if (actions != NULL) { g_list_free(actions); } } static void pe_free_nodes(GList *nodes) { for (GList *iterator = nodes; iterator != NULL; iterator = iterator->next) { pcmk_node_t *node = (pcmk_node_t *) iterator->data; // Shouldn't be possible, but to be safe ... if (node == NULL) { continue; } if (node->details == NULL) { free(node); continue; } /* This is called after pe_free_resources(), which means that we can't * use node->private->name for Pacemaker Remote nodes. */ crm_trace("Freeing node %s", (pcmk__is_pacemaker_remote_node(node)? "(guest or remote)" : pcmk__node_name(node))); if (node->priv->attrs != NULL) { g_hash_table_destroy(node->priv->attrs); } if (node->priv->utilization != NULL) { g_hash_table_destroy(node->priv->utilization); } if (node->priv->digest_cache != NULL) { g_hash_table_destroy(node->priv->digest_cache); } g_list_free(node->details->running_rsc); g_list_free(node->priv->assigned_resources); free(node->priv); free(node->details); free(node->assign); free(node); } if (nodes != NULL) { g_list_free(nodes); } } static void pe__free_ordering(GList *constraints) { GList *iterator = constraints; while (iterator != NULL) { pcmk__action_relation_t *order = iterator->data; iterator = iterator->next; free(order->task1); free(order->task2); free(order); } if (constraints != NULL) { g_list_free(constraints); } } static void pe__free_location(GList *constraints) { GList *iterator = constraints; while (iterator != NULL) { pcmk__location_t *cons = iterator->data; iterator = iterator->next; g_list_free_full(cons->nodes, free); free(cons->id); free(cons); } if (constraints != NULL) { g_list_free(constraints); } } /*! * \brief Reset scheduler data to defaults without freeing it or constraints * * \param[in,out] scheduler Scheduler data to reset * * \deprecated This function is deprecated as part of the API; * pe_reset_working_set() should be used instead. */ void cleanup_calculations(pcmk_scheduler_t *scheduler) { if (scheduler == NULL) { return; } pcmk__clear_scheduler_flags(scheduler, pcmk__sched_have_status); if (scheduler->priv->options != NULL) { g_hash_table_destroy(scheduler->priv->options); } if (scheduler->priv->singletons != NULL) { g_hash_table_destroy(scheduler->priv->singletons); } if (scheduler->priv->ticket_constraints != NULL) { g_hash_table_destroy(scheduler->priv->ticket_constraints); } if (scheduler->template_rsc_sets) { g_hash_table_destroy(scheduler->template_rsc_sets); } if (scheduler->tags) { g_hash_table_destroy(scheduler->tags); } crm_trace("deleting resources"); - pe_free_resources(scheduler->resources); + pe_free_resources(scheduler->priv->resources); crm_trace("deleting actions"); pe_free_actions(scheduler->priv->actions); crm_trace("deleting nodes"); pe_free_nodes(scheduler->nodes); pe__free_param_checks(scheduler); g_list_free(scheduler->stop_needed); pcmk__xml_free(scheduler->graph); crm_time_free(scheduler->priv->now); pcmk__xml_free(scheduler->input); pcmk__xml_free(scheduler->failed); set_working_set_defaults(scheduler); CRM_CHECK(scheduler->ordering_constraints == NULL,; ); CRM_CHECK(scheduler->placement_constraints == NULL,; ); } /*! * \brief Reset scheduler data to default state without freeing it * * \param[in,out] scheduler Scheduler data to reset */ void pe_reset_working_set(pcmk_scheduler_t *scheduler) { if (scheduler == NULL) { return; } crm_trace("Deleting %d ordering constraints", g_list_length(scheduler->ordering_constraints)); pe__free_ordering(scheduler->ordering_constraints); scheduler->ordering_constraints = NULL; crm_trace("Deleting %d location constraints", g_list_length(scheduler->placement_constraints)); pe__free_location(scheduler->placement_constraints); scheduler->placement_constraints = NULL; crm_trace("Deleting %d colocation constraints", g_list_length(scheduler->colocation_constraints)); g_list_free_full(scheduler->colocation_constraints, free); scheduler->colocation_constraints = NULL; crm_trace("Deleting %d ticket constraints", g_list_length(scheduler->ticket_constraints)); g_list_free_full(scheduler->ticket_constraints, free); scheduler->ticket_constraints = NULL; cleanup_calculations(scheduler); } void set_working_set_defaults(pcmk_scheduler_t *scheduler) { // These members must be preserved pcmk__scheduler_private_t *priv = scheduler->priv; pcmk__output_t *out = priv->out; // Wipe the main structs (any other members must have previously been freed) memset(scheduler, 0, sizeof(pcmk_scheduler_t)); memset(priv, 0, sizeof(pcmk__scheduler_private_t)); // Restore the members to preserve scheduler->priv = priv; scheduler->priv->out = out; // Set defaults for everything else scheduler->order_id = 1; scheduler->action_id = 1; scheduler->no_quorum_policy = pcmk_no_quorum_stop; pcmk__set_scheduler_flags(scheduler, pcmk__sched_symmetric_cluster |pcmk__sched_stop_removed_resources |pcmk__sched_cancel_removed_actions); if (!strcmp(PCMK__CONCURRENT_FENCING_DEFAULT, PCMK_VALUE_TRUE)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_concurrent_fencing); } } pcmk_resource_t * pe_find_resource(GList *rsc_list, const char *id) { return pe_find_resource_with_flags(rsc_list, id, pcmk_rsc_match_history); } pcmk_resource_t * pe_find_resource_with_flags(GList *rsc_list, const char *id, enum pe_find flags) { GList *rIter = NULL; for (rIter = rsc_list; id && rIter; rIter = rIter->next) { pcmk_resource_t *parent = rIter->data; pcmk_resource_t *match = parent->priv->fns->find_rsc(parent, id, NULL, flags); if (match != NULL) { return match; } } crm_trace("No match for %s", id); return NULL; } /*! * \brief Find a node by name or ID in a list of nodes * * \param[in] nodes List of nodes (as pcmk_node_t*) * \param[in] id If not NULL, ID of node to find * \param[in] node_name If not NULL, name of node to find * * \return Node from \p nodes that matches \p id if any, * otherwise node from \p nodes that matches \p uname if any, * otherwise NULL */ pcmk_node_t * pe_find_node_any(const GList *nodes, const char *id, const char *uname) { pcmk_node_t *match = NULL; if (id != NULL) { match = pe_find_node_id(nodes, id); } if ((match == NULL) && (uname != NULL)) { match = pcmk__find_node_in_list(nodes, uname); } return match; } /*! * \brief Find a node by ID in a list of nodes * * \param[in] nodes List of nodes (as pcmk_node_t*) * \param[in] id ID of node to find * * \return Node from \p nodes that matches \p id if any, otherwise NULL */ pcmk_node_t * pe_find_node_id(const GList *nodes, const char *id) { for (const GList *iter = nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; /* @TODO Whether node IDs should be considered case-sensitive should * probably depend on the node type, so functionizing the comparison * would be worthwhile */ if (pcmk__str_eq(node->priv->id, id, pcmk__str_casei)) { return node; } } return NULL; } // Deprecated functions kept only for backward API compatibility // LCOV_EXCL_START #include /*! * \brief Find a node by name in a list of nodes * * \param[in] nodes List of nodes (as pcmk_node_t*) * \param[in] node_name Name of node to find * * \return Node from \p nodes that matches \p node_name if any, otherwise NULL */ pcmk_node_t * pe_find_node(const GList *nodes, const char *node_name) { return pcmk__find_node_in_list(nodes, node_name); } // LCOV_EXCL_STOP // End deprecated API diff --git a/lib/pengine/tags.c b/lib/pengine/tags.c index a068c09121..43d7dc8f2c 100644 --- a/lib/pengine/tags.c +++ b/lib/pengine/tags.c @@ -1,118 +1,118 @@ /* * Copyright 2020-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include GList * pe__rscs_with_tag(pcmk_scheduler_t *scheduler, const char *tag_name) { gpointer value; GList *retval = NULL; if (scheduler->tags == NULL) { return retval; } value = g_hash_table_lookup(scheduler->tags, tag_name); if (value == NULL) { return retval; } for (GList *refs = ((pcmk__idref_t *) value)->refs; refs != NULL; refs = refs->next) { const char *id = (const char *) refs->data; const uint32_t flags = pcmk_rsc_match_history|pcmk_rsc_match_basename; - pcmk_resource_t *rsc = pe_find_resource_with_flags(scheduler->resources, - id, flags); + pcmk_resource_t *rsc = + pe_find_resource_with_flags(scheduler->priv->resources, id, flags); if (!rsc) { continue; } retval = g_list_append(retval, strdup(rsc_printable_id(rsc))); } return retval; } GList * pe__unames_with_tag(pcmk_scheduler_t *scheduler, const char *tag_name) { gpointer value; GList *retval = NULL; if (scheduler->tags == NULL) { return retval; } value = g_hash_table_lookup(scheduler->tags, tag_name); if (value == NULL) { return retval; } /* Iterate over the list of node IDs. */ for (GList *refs = ((pcmk__idref_t *) value)->refs; refs != NULL; refs = refs->next) { /* Find the node that has this ID. */ const char *id = (const char *) refs->data; pcmk_node_t *node = pe_find_node_id(scheduler->nodes, id); if (!node) { continue; } /* Get the uname for the node and add it to the return list. */ retval = g_list_append(retval, strdup(node->priv->name)); } return retval; } bool pe__rsc_has_tag(pcmk_scheduler_t *scheduler, const char *rsc_name, const char *tag_name) { GList *rscs = pe__rscs_with_tag(scheduler, tag_name); bool retval = false; if (rscs == NULL) { return retval; } retval = g_list_find_custom(rscs, rsc_name, (GCompareFunc) strcmp) != NULL; g_list_free_full(rscs, free); return retval; } bool pe__uname_has_tag(pcmk_scheduler_t *scheduler, const char *node_name, const char *tag_name) { GList *unames = pe__unames_with_tag(scheduler, tag_name); bool retval = false; if (unames == NULL) { return retval; } retval = g_list_find_custom(unames, node_name, (GCompareFunc) strcmp) != NULL; g_list_free_full(unames, free); return retval; } diff --git a/lib/pengine/tests/native/native_find_rsc_test.c b/lib/pengine/tests/native/native_find_rsc_test.c index ffc69ee26b..d1facc428e 100644 --- a/lib/pengine/tests/native/native_find_rsc_test.c +++ b/lib/pengine/tests/native/native_find_rsc_test.c @@ -1,930 +1,934 @@ /* * Copyright 2022-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include xmlNode *input = NULL; pcmk_scheduler_t *scheduler = NULL; pcmk_node_t *cluster01, *cluster02, *httpd_bundle_0; pcmk_resource_t *exim_group, *inactive_group; pcmk_resource_t *promotable_clone, *inactive_clone; pcmk_resource_t *httpd_bundle, *mysql_clone_group; static int setup(void **state) { char *path = NULL; pcmk__xml_init(); path = crm_strdup_printf("%s/crm_mon.xml", getenv("PCMK_CTS_CLI_DIR")); input = pcmk__xml_read(path); free(path); if (input == NULL) { return 1; } scheduler = pe_new_working_set(); if (scheduler == NULL) { return 1; } pcmk__set_scheduler_flags(scheduler, pcmk__sched_no_counts|pcmk__sched_no_compat); scheduler->input = input; cluster_status(scheduler); /* Get references to the cluster nodes so we don't have to find them repeatedly. */ cluster01 = pcmk_find_node(scheduler, "cluster01"); cluster02 = pcmk_find_node(scheduler, "cluster02"); httpd_bundle_0 = pcmk_find_node(scheduler, "httpd-bundle-0"); /* Get references to several resources we use frequently. */ - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "exim-group") == 0) { exim_group = rsc; } else if (strcmp(rsc->id, "httpd-bundle") == 0) { httpd_bundle = rsc; } else if (strcmp(rsc->id, "inactive-clone") == 0) { inactive_clone = rsc; } else if (strcmp(rsc->id, "inactive-group") == 0) { inactive_group = rsc; } else if (strcmp(rsc->id, "mysql-clone-group") == 0) { mysql_clone_group = rsc; } else if (strcmp(rsc->id, "promotable-clone") == 0) { promotable_clone = rsc; } } return 0; } static int teardown(void **state) { pe_free_working_set(scheduler); pcmk__xml_cleanup(); return 0; } static void bad_args(void **state) { - pcmk_resource_t *rsc = g_list_first(scheduler->resources)->data; + pcmk_resource_t *rsc = g_list_first(scheduler->priv->resources)->data; char *id = rsc->id; char *name = NULL; assert_non_null(rsc); assert_null(native_find_rsc(NULL, "dummy", NULL, 0)); assert_null(native_find_rsc(rsc, NULL, NULL, 0)); /* No resources exist with these names. */ name = crm_strdup_printf("%sX", rsc->id); assert_null(native_find_rsc(rsc, name, NULL, 0)); free(name); name = crm_strdup_printf("x%s", rsc->id); assert_null(native_find_rsc(rsc, name, NULL, 0)); free(name); name = g_ascii_strup(rsc->id, -1); assert_null(native_find_rsc(rsc, name, NULL, 0)); g_free(name); /* Fails because resource ID is NULL. */ rsc->id = NULL; assert_null(native_find_rsc(rsc, id, NULL, 0)); rsc->id = id; } static void primitive_rsc(void **state) { pcmk_resource_t *dummy = NULL; /* Find the "dummy" resource, which is the only one with that ID in the set. */ - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "dummy") == 0) { dummy = rsc; break; } } assert_non_null(dummy); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(dummy, native_find_rsc(dummy, "dummy", NULL, 0)); assert_ptr_equal(dummy, native_find_rsc(dummy, "dummy", NULL, pcmk_rsc_match_current_node)); /* Fails because resource is not a clone (nor cloned). */ assert_null(native_find_rsc(dummy, "dummy", NULL, pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(dummy, "dummy", cluster02, pcmk_rsc_match_clone_only)); /* Fails because dummy is not running on cluster01, even with the right flags. */ assert_null(native_find_rsc(dummy, "dummy", cluster01, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(dummy, "dummy", cluster02, 0)); /* Passes because dummy is running on cluster02. */ assert_ptr_equal(dummy, native_find_rsc(dummy, "dummy", cluster02, pcmk_rsc_match_current_node)); } static void group_rsc(void **state) { assert_non_null(exim_group); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(exim_group, native_find_rsc(exim_group, "exim-group", NULL, 0)); assert_ptr_equal(exim_group, native_find_rsc(exim_group, "exim-group", NULL, pcmk_rsc_match_current_node)); /* Fails because resource is not a clone (nor cloned). */ assert_null(native_find_rsc(exim_group, "exim-group", NULL, pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(exim_group, "exim-group", cluster01, pcmk_rsc_match_clone_only)); /* Fails because none of exim-group's children are running on cluster01, even with the right flags. */ assert_null(native_find_rsc(exim_group, "exim-group", cluster01, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(exim_group, "exim-group", cluster01, 0)); /* Passes because one of exim-group's children is running on cluster02. */ assert_ptr_equal(exim_group, native_find_rsc(exim_group, "exim-group", cluster02, pcmk_rsc_match_current_node)); } static void inactive_group_rsc(void **state) { assert_non_null(inactive_group); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(inactive_group, native_find_rsc(inactive_group, "inactive-group", NULL, 0)); assert_ptr_equal(inactive_group, native_find_rsc(inactive_group, "inactive-group", NULL, pcmk_rsc_match_current_node)); /* Fails because resource is not a clone (nor cloned). */ assert_null(native_find_rsc(inactive_group, "inactive-group", NULL, pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(inactive_group, "inactive-group", cluster01, pcmk_rsc_match_clone_only)); /* Fails because none of inactive-group's children are running. */ assert_null(native_find_rsc(inactive_group, "inactive-group", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(inactive_group, "inactive-group", cluster02, pcmk_rsc_match_current_node)); } static void group_member_rsc(void **state) { pcmk_resource_t *public_ip = NULL; /* Find the "Public-IP" resource, a member of "exim-group". */ for (GList *iter = exim_group->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "Public-IP") == 0) { public_ip = rsc; break; } } assert_non_null(public_ip); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(public_ip, native_find_rsc(public_ip, "Public-IP", NULL, 0)); assert_ptr_equal(public_ip, native_find_rsc(public_ip, "Public-IP", NULL, pcmk_rsc_match_current_node)); /* Fails because resource is not a clone (nor cloned). */ assert_null(native_find_rsc(public_ip, "Public-IP", NULL, pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(public_ip, "Public-IP", cluster02, pcmk_rsc_match_clone_only)); /* Fails because Public-IP is not running on cluster01, even with the right flags. */ assert_null(native_find_rsc(public_ip, "Public-IP", cluster01, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(public_ip, "Public-IP", cluster02, 0)); /* Passes because Public-IP is running on cluster02. */ assert_ptr_equal(public_ip, native_find_rsc(public_ip, "Public-IP", cluster02, pcmk_rsc_match_current_node)); } static void inactive_group_member_rsc(void **state) { pcmk_resource_t *inactive_dummy_1 = NULL; /* Find the "inactive-dummy-1" resource, a member of "inactive-group". */ for (GList *iter = inactive_group->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "inactive-dummy-1") == 0) { inactive_dummy_1 = rsc; break; } } assert_non_null(inactive_dummy_1); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(inactive_dummy_1, native_find_rsc(inactive_dummy_1, "inactive-dummy-1", NULL, 0)); assert_ptr_equal(inactive_dummy_1, native_find_rsc(inactive_dummy_1, "inactive-dummy-1", NULL, pcmk_rsc_match_current_node)); /* Fails because resource is not a clone (nor cloned). */ assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", NULL, pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", cluster01, pcmk_rsc_match_clone_only)); /* Fails because inactive-dummy-1 is not running. */ assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", cluster02, pcmk_rsc_match_current_node)); } static void clone_rsc(void **state) { assert_non_null(promotable_clone); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", NULL, 0)); assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", NULL, pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", NULL, pcmk_rsc_match_clone_only)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(promotable_clone, "promotable-clone", cluster01, 0)); /* Passes because one of ping-clone's children is running on cluster01. */ assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", cluster01, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(promotable_clone, "promotable-clone", cluster02, 0)); /* Passes because one of ping_clone's children is running on cluster02. */ assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", cluster02, pcmk_rsc_match_current_node)); // Passes for previous reasons, plus includes pcmk_rsc_match_clone_only assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", cluster01, pcmk_rsc_match_clone_only |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", cluster02, pcmk_rsc_match_clone_only |pcmk_rsc_match_current_node)); } static void inactive_clone_rsc(void **state) { assert_non_null(inactive_clone); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(inactive_clone, native_find_rsc(inactive_clone, "inactive-clone", NULL, 0)); assert_ptr_equal(inactive_clone, native_find_rsc(inactive_clone, "inactive-clone", NULL, pcmk_rsc_match_current_node)); assert_ptr_equal(inactive_clone, native_find_rsc(inactive_clone, "inactive-clone", NULL, pcmk_rsc_match_clone_only)); /* Fails because none of inactive-clone's children are running. */ assert_null(native_find_rsc(inactive_clone, "inactive-clone", cluster01, pcmk_rsc_match_current_node |pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(inactive_clone, "inactive-clone", cluster02, pcmk_rsc_match_current_node |pcmk_rsc_match_clone_only)); } static void clone_instance_rsc(void **state) { pcmk_resource_t *promotable_0 = NULL; pcmk_resource_t *promotable_1 = NULL; /* Find the "promotable-rsc:0" and "promotable-rsc:1" resources, members of "promotable-clone". */ for (GList *iter = promotable_clone->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "promotable-rsc:0") == 0) { promotable_0 = rsc; } else if (strcmp(rsc->id, "promotable-rsc:1") == 0) { promotable_1 = rsc; } } assert_non_null(promotable_0); assert_non_null(promotable_1); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc:0", NULL, 0)); assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc:0", NULL, pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc:1", NULL, 0)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc:1", NULL, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(promotable_0, "promotable-rsc:0", cluster02, 0)); assert_null(native_find_rsc(promotable_1, "promotable-rsc:1", cluster01, 0)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc:0", cluster02, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_0, "promotable-rsc:0", cluster01, pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc:1", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_1, "promotable-rsc:1", cluster02, pcmk_rsc_match_current_node)); /* Passes because NULL was passed for node and primitive name was given, with correct flags. */ assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc", NULL, pcmk_rsc_match_clone_only)); // Passes because pcmk_rsc_match_basename matches any instance's base name assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc", NULL, pcmk_rsc_match_basename)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc", NULL, pcmk_rsc_match_basename)); // Passes because pcmk_rsc_match_anon_basename matches assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc", NULL, pcmk_rsc_match_anon_basename)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc", NULL, pcmk_rsc_match_anon_basename)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_0, "promotable-rsc", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_0, "promotable-rsc", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_1, "promotable-rsc", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_1, "promotable-rsc", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); /* Fails because incorrect flags were given along with primitive name. */ assert_null(native_find_rsc(promotable_0, "promotable-rsc", NULL, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(promotable_1, "promotable-rsc", NULL, pcmk_rsc_match_current_node)); /* And then we check failure possibilities again, except passing promotable_clone * instead of promotable_X as the first argument to native_find_rsc. */ // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(promotable_clone, "promotable-rsc:0", cluster02, 0)); assert_null(native_find_rsc(promotable_clone, "promotable-rsc:1", cluster01, 0)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(promotable_0, native_find_rsc(promotable_clone, "promotable-rsc:0", cluster02, pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_0, native_find_rsc(promotable_clone, "promotable-rsc", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_0, native_find_rsc(promotable_clone, "promotable-rsc", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_clone, "promotable-rsc:1", cluster01, pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_clone, "promotable-rsc", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_clone, "promotable-rsc", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); } static void renamed_rsc(void **state) { pcmk_resource_t *promotable_0 = NULL; pcmk_resource_t *promotable_1 = NULL; /* Find the "promotable-rsc:0" and "promotable-rsc:1" resources, members of "promotable-clone". */ for (GList *iter = promotable_clone->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "promotable-rsc:0") == 0) { promotable_0 = rsc; } else if (strcmp(rsc->id, "promotable-rsc:1") == 0) { promotable_1 = rsc; } } assert_non_null(promotable_0); assert_non_null(promotable_1); // Passes because pcmk_rsc_match_history means base name matches history_id assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc", NULL, pcmk_rsc_match_history)); assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc", NULL, pcmk_rsc_match_history)); } static void bundle_rsc(void **state) { assert_non_null(httpd_bundle); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(httpd_bundle, native_find_rsc(httpd_bundle, "httpd-bundle", NULL, 0)); assert_ptr_equal(httpd_bundle, native_find_rsc(httpd_bundle, "httpd-bundle", NULL, pcmk_rsc_match_current_node)); /* Fails because resource is not a clone (nor cloned). */ assert_null(native_find_rsc(httpd_bundle, "httpd-bundle", NULL, pcmk_rsc_match_clone_only)); assert_null(native_find_rsc(httpd_bundle, "httpd-bundle", cluster01, pcmk_rsc_match_clone_only)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(httpd_bundle, "httpd-bundle", cluster01, 0)); /* Passes because one of httpd_bundle's children is running on cluster01. */ assert_ptr_equal(httpd_bundle, native_find_rsc(httpd_bundle, "httpd-bundle", cluster01, pcmk_rsc_match_current_node)); } static bool bundle_first_replica(pcmk__bundle_replica_t *replica, void *user_data) { pcmk_resource_t *ip_0 = replica->ip; pcmk_resource_t *child_0 = replica->child; pcmk_resource_t *container_0 = replica->container; pcmk_resource_t *remote_0 = replica->remote; assert_non_null(ip_0); assert_non_null(child_0); assert_non_null(container_0); assert_non_null(remote_0); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(ip_0, native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", NULL, 0)); assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd:0", NULL, 0)); assert_ptr_equal(container_0, native_find_rsc(container_0, "httpd-bundle-docker-0", NULL, 0)); assert_ptr_equal(remote_0, native_find_rsc(remote_0, "httpd-bundle-0", NULL, 0)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", cluster01, 0)); assert_null(native_find_rsc(child_0, "httpd:0", httpd_bundle_0, 0)); assert_null(native_find_rsc(container_0, "httpd-bundle-docker-0", cluster01, 0)); assert_null(native_find_rsc(remote_0, "httpd-bundle-0", cluster01, 0)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(ip_0, native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", cluster02, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", httpd_bundle_0, pcmk_rsc_match_current_node)); assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd:0", httpd_bundle_0, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(child_0, "httpd:0", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(child_0, "httpd:0", cluster02, pcmk_rsc_match_current_node)); assert_ptr_equal(container_0, native_find_rsc(container_0, "httpd-bundle-docker-0", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(container_0, "httpd-bundle-docker-0", cluster02, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(container_0, "httpd-bundle-docker-0", httpd_bundle_0, pcmk_rsc_match_current_node)); assert_ptr_equal(remote_0, native_find_rsc(remote_0, "httpd-bundle-0", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(remote_0, "httpd-bundle-0", cluster02, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(remote_0, "httpd-bundle-0", httpd_bundle_0, pcmk_rsc_match_current_node)); // Passes because pcmk_rsc_match_basename matches any replica's base name assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd", NULL, pcmk_rsc_match_basename)); // Passes because pcmk_rsc_match_anon_basename matches assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd", NULL, pcmk_rsc_match_anon_basename)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd", httpd_bundle_0, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd", httpd_bundle_0, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(child_0, "httpd", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(child_0, "httpd", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(child_0, "httpd", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(child_0, "httpd", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); /* Fails because incorrect flags were given along with base name. */ assert_null(native_find_rsc(child_0, "httpd", NULL, pcmk_rsc_match_current_node)); /* And then we check failure possibilities again, except passing httpd-bundle * instead of X_0 as the first argument to native_find_rsc. */ // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(httpd_bundle, "httpd-bundle-ip-192.168.122.131", cluster01, 0)); assert_null(native_find_rsc(httpd_bundle, "httpd:0", httpd_bundle_0, 0)); assert_null(native_find_rsc(httpd_bundle, "httpd-bundle-docker-0", cluster01, 0)); assert_null(native_find_rsc(httpd_bundle, "httpd-bundle-0", cluster01, 0)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(ip_0, native_find_rsc(httpd_bundle, "httpd-bundle-ip-192.168.122.131", cluster01, pcmk_rsc_match_current_node)); assert_ptr_equal(child_0, native_find_rsc(httpd_bundle, "httpd:0", httpd_bundle_0, pcmk_rsc_match_current_node)); assert_ptr_equal(container_0, native_find_rsc(httpd_bundle, "httpd-bundle-docker-0", cluster01, pcmk_rsc_match_current_node)); assert_ptr_equal(remote_0, native_find_rsc(httpd_bundle, "httpd-bundle-0", cluster01, pcmk_rsc_match_current_node)); return false; // Do not iterate through any further replicas } static void bundle_replica_rsc(void **state) { pe__foreach_bundle_replica(httpd_bundle, bundle_first_replica, NULL); } static void clone_group_rsc(void **rsc) { assert_non_null(mysql_clone_group); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", NULL, 0)); assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", NULL, pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", NULL, pcmk_rsc_match_clone_only)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster01, 0)); /* Passes because one of mysql-clone-group's children is running on cluster01. */ assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster01, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster02, 0)); /* Passes because one of mysql-clone-group's children is running on cluster02. */ assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster02, pcmk_rsc_match_current_node)); // Passes for previous reasons, plus includes pcmk_rsc_match_clone_only assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster01, pcmk_rsc_match_clone_only |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster02, pcmk_rsc_match_clone_only |pcmk_rsc_match_current_node)); } static void clone_group_instance_rsc(void **rsc) { pcmk_resource_t *mysql_group_0 = NULL; pcmk_resource_t *mysql_group_1 = NULL; /* Find the "mysql-group:0" and "mysql-group:1" resources, members of "mysql-clone-group". */ for (GList *iter = mysql_clone_group->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "mysql-group:0") == 0) { mysql_group_0 = rsc; } else if (strcmp(rsc->id, "mysql-group:1") == 0) { mysql_group_1 = rsc; } } assert_non_null(mysql_group_0); assert_non_null(mysql_group_1); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group:0", NULL, 0)); assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group:0", NULL, pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group:1", NULL, 0)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group:1", NULL, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(mysql_group_0, "mysql-group:0", cluster02, 0)); assert_null(native_find_rsc(mysql_group_1, "mysql-group:1", cluster01, 0)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group:0", cluster02, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_0, "mysql-group:0", cluster01, pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group:1", cluster01, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_1, "mysql-group:1", cluster02, pcmk_rsc_match_current_node)); /* Passes because NULL was passed for node and base name was given, with correct flags. */ assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group" , NULL, pcmk_rsc_match_clone_only)); // Passes because pcmk_rsc_match_basename matches any base name assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group" , NULL, pcmk_rsc_match_basename)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group" , NULL, pcmk_rsc_match_basename)); // Passes because pcmk_rsc_match_anon_basename matches assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group" , NULL, pcmk_rsc_match_anon_basename)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group" , NULL, pcmk_rsc_match_anon_basename)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_0, "mysql-group", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_0, "mysql-group", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_1, "mysql-group", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_1, "mysql-group", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); /* Fails because incorrect flags were given along with base name. */ assert_null(native_find_rsc(mysql_group_0, "mysql-group", NULL, pcmk_rsc_match_current_node)); assert_null(native_find_rsc(mysql_group_1, "mysql-group", NULL, pcmk_rsc_match_current_node)); /* And then we check failure possibilities again, except passing mysql_clone_group * instead of mysql_group_X as the first argument to native_find_rsc. */ // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(mysql_clone_group, "mysql-group:0", cluster02, 0)); assert_null(native_find_rsc(mysql_clone_group, "mysql-group:1", cluster01, 0)); /* Check that the resource is running on the node we expect. */ assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_clone_group, "mysql-group:0", cluster02, pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_clone_group, "mysql-group", cluster02, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_clone_group, "mysql-group", cluster02, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_clone_group, "mysql-group:1", cluster01, pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_clone_group, "mysql-group", cluster01, pcmk_rsc_match_basename |pcmk_rsc_match_current_node)); assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_clone_group, "mysql-group", cluster01, pcmk_rsc_match_anon_basename |pcmk_rsc_match_current_node)); } static void clone_group_member_rsc(void **state) { pcmk_resource_t *mysql_proxy = NULL; /* Find the "mysql-proxy" resource, a member of "mysql-group". */ for (GList *iter = mysql_clone_group->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "mysql-group:0") == 0) { for (GList *iter2 = rsc->priv->children; iter2 != NULL; iter2 = iter2->next) { pcmk_resource_t *child = (pcmk_resource_t *) iter2->data; if (strcmp(child->id, "mysql-proxy:0") == 0) { mysql_proxy = child; break; } } break; } } assert_non_null(mysql_proxy); /* Passes because NULL was passed for node, regardless of flags. */ assert_ptr_equal(mysql_proxy, native_find_rsc(mysql_proxy, "mysql-proxy:0", NULL, 0)); assert_ptr_equal(mysql_proxy, native_find_rsc(mysql_proxy, "mysql-proxy:0", NULL, pcmk_rsc_match_current_node)); /* Passes because resource's parent is a clone. */ assert_ptr_equal(mysql_proxy, native_find_rsc(mysql_proxy, "mysql-proxy:0", NULL, pcmk_rsc_match_clone_only)); assert_ptr_equal(mysql_proxy, native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster02, pcmk_rsc_match_clone_only |pcmk_rsc_match_current_node)); /* Fails because mysql-proxy:0 is not running on cluster01, even with the right flags. */ assert_null(native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster01, pcmk_rsc_match_current_node)); // Fails because pcmk_rsc_match_current_node is required if a node is given assert_null(native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster02, 0)); /* Passes because mysql-proxy:0 is running on cluster02. */ assert_ptr_equal(mysql_proxy, native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster02, pcmk_rsc_match_current_node)); } /* TODO: Add tests for finding on assigned node (passing a node without * pcmk_rsc_match_current_node, after scheduling, for a resource that is * starting/stopping/moving. */ PCMK__UNIT_TEST(setup, teardown, cmocka_unit_test(bad_args), cmocka_unit_test(primitive_rsc), cmocka_unit_test(group_rsc), cmocka_unit_test(inactive_group_rsc), cmocka_unit_test(group_member_rsc), cmocka_unit_test(inactive_group_member_rsc), cmocka_unit_test(clone_rsc), cmocka_unit_test(inactive_clone_rsc), cmocka_unit_test(clone_instance_rsc), cmocka_unit_test(renamed_rsc), cmocka_unit_test(bundle_rsc), cmocka_unit_test(bundle_replica_rsc), cmocka_unit_test(clone_group_rsc), cmocka_unit_test(clone_group_instance_rsc), cmocka_unit_test(clone_group_member_rsc)) diff --git a/lib/pengine/tests/native/pe_base_name_eq_test.c b/lib/pengine/tests/native/pe_base_name_eq_test.c index e0941f2e06..81fb1ef82f 100644 --- a/lib/pengine/tests/native/pe_base_name_eq_test.c +++ b/lib/pengine/tests/native/pe_base_name_eq_test.c @@ -1,158 +1,160 @@ /* * Copyright 2022-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include xmlNode *input = NULL; pcmk_scheduler_t *scheduler = NULL; pcmk_resource_t *exim_group, *promotable_0, *promotable_1, *dummy; pcmk_resource_t *httpd_bundle, *mysql_group_0, *mysql_group_1; static int setup(void **state) { char *path = NULL; pcmk__xml_init(); path = crm_strdup_printf("%s/crm_mon.xml", getenv("PCMK_CTS_CLI_DIR")); input = pcmk__xml_read(path); free(path); if (input == NULL) { return 1; } scheduler = pe_new_working_set(); if (scheduler == NULL) { return 1; } pcmk__set_scheduler_flags(scheduler, pcmk__sched_no_counts|pcmk__sched_no_compat); scheduler->input = input; cluster_status(scheduler); /* Get references to several resources we use frequently. */ - for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) { + for (GList *iter = scheduler->priv->resources; + iter != NULL; iter = iter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data; if (strcmp(rsc->id, "dummy") == 0) { dummy = rsc; } else if (strcmp(rsc->id, "exim-group") == 0) { exim_group = rsc; } else if (strcmp(rsc->id, "httpd-bundle") == 0) { httpd_bundle = rsc; } else if (strcmp(rsc->id, "mysql-clone-group") == 0) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = (pcmk_resource_t *) iter->data; if (strcmp(child->id, "mysql-group:0") == 0) { mysql_group_0 = child; } else if (strcmp(child->id, "mysql-group:1") == 0) { mysql_group_1 = child; } } } else if (strcmp(rsc->id, "promotable-clone") == 0) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = (pcmk_resource_t *) iter->data; if (strcmp(child->id, "promotable-rsc:0") == 0) { promotable_0 = child; } else if (strcmp(child->id, "promotable-rsc:1") == 0) { promotable_1 = child; } } } } return 0; } static int teardown(void **state) { pe_free_working_set(scheduler); pcmk__xml_cleanup(); return 0; } static void bad_args(void **state) { char *id = dummy->id; assert_false(pe_base_name_eq(NULL, "dummy")); assert_false(pe_base_name_eq(dummy, NULL)); dummy->id = NULL; assert_false(pe_base_name_eq(dummy, "dummy")); dummy->id = id; } static void primitive_rsc(void **state) { assert_true(pe_base_name_eq(dummy, "dummy")); assert_false(pe_base_name_eq(dummy, "DUMMY")); assert_false(pe_base_name_eq(dummy, "dUmMy")); assert_false(pe_base_name_eq(dummy, "dummy0")); assert_false(pe_base_name_eq(dummy, "dummy:0")); } static void group_rsc(void **state) { assert_true(pe_base_name_eq(exim_group, "exim-group")); assert_false(pe_base_name_eq(exim_group, "EXIM-GROUP")); assert_false(pe_base_name_eq(exim_group, "exim-group0")); assert_false(pe_base_name_eq(exim_group, "exim-group:0")); assert_false(pe_base_name_eq(exim_group, "Public-IP")); } static void clone_rsc(void **state) { assert_true(pe_base_name_eq(promotable_0, "promotable-rsc")); assert_true(pe_base_name_eq(promotable_1, "promotable-rsc")); assert_false(pe_base_name_eq(promotable_0, "promotable-rsc:0")); assert_false(pe_base_name_eq(promotable_1, "promotable-rsc:1")); assert_false(pe_base_name_eq(promotable_0, "PROMOTABLE-RSC")); assert_false(pe_base_name_eq(promotable_1, "PROMOTABLE-RSC")); assert_false(pe_base_name_eq(promotable_0, "Promotable-rsc")); assert_false(pe_base_name_eq(promotable_1, "Promotable-rsc")); } static void bundle_rsc(void **state) { assert_true(pe_base_name_eq(httpd_bundle, "httpd-bundle")); assert_false(pe_base_name_eq(httpd_bundle, "HTTPD-BUNDLE")); assert_false(pe_base_name_eq(httpd_bundle, "httpd")); assert_false(pe_base_name_eq(httpd_bundle, "httpd-docker-0")); } PCMK__UNIT_TEST(setup, teardown, cmocka_unit_test(bad_args), cmocka_unit_test(primitive_rsc), cmocka_unit_test(group_rsc), cmocka_unit_test(clone_rsc), cmocka_unit_test(bundle_rsc)) diff --git a/lib/pengine/unpack.c b/lib/pengine/unpack.c index 0ba63e13ca..3bcf8f97f0 100644 --- a/lib/pengine/unpack.c +++ b/lib/pengine/unpack.c @@ -1,5094 +1,5097 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include #include #include #include CRM_TRACE_INIT_DATA(pe_status); // A (parsed) resource action history entry struct action_history { pcmk_resource_t *rsc; // Resource that history is for pcmk_node_t *node; // Node that history is for xmlNode *xml; // History entry XML // Parsed from entry XML const char *id; // XML ID of history entry const char *key; // Operation key of action const char *task; // Action name const char *exit_reason; // Exit reason given for result guint interval_ms; // Action interval int call_id; // Call ID of action int expected_exit_status; // Expected exit status of action int exit_status; // Actual exit status of action int execution_status; // Execution status of action }; /* This uses pcmk__set_flags_as()/pcmk__clear_flags_as() directly rather than * use pcmk__set_scheduler_flags()/pcmk__clear_scheduler_flags() so that the * flag is stringified more readably in log messages. */ #define set_config_flag(scheduler, option, flag) do { \ GHashTable *config_hash = (scheduler)->priv->options; \ const char *scf_value = pcmk__cluster_option(config_hash, (option)); \ \ if (scf_value != NULL) { \ if (crm_is_true(scf_value)) { \ (scheduler)->flags = pcmk__set_flags_as(__func__, __LINE__, \ LOG_TRACE, "Scheduler", \ crm_system_name, (scheduler)->flags, \ (flag), #flag); \ } else { \ (scheduler)->flags = pcmk__clear_flags_as(__func__, __LINE__, \ LOG_TRACE, "Scheduler", \ crm_system_name, (scheduler)->flags, \ (flag), #flag); \ } \ } \ } while(0) static void unpack_rsc_op(pcmk_resource_t *rsc, pcmk_node_t *node, xmlNode *xml_op, xmlNode **last_failure, enum pcmk__on_fail *failed); static void determine_remote_online_status(pcmk_scheduler_t *scheduler, pcmk_node_t *this_node); static void add_node_attrs(const xmlNode *xml_obj, pcmk_node_t *node, bool overwrite, pcmk_scheduler_t *scheduler); static void determine_online_status(const xmlNode *node_state, pcmk_node_t *this_node, pcmk_scheduler_t *scheduler); static void unpack_node_lrm(pcmk_node_t *node, const xmlNode *xml, pcmk_scheduler_t *scheduler); /*! * \internal * \brief Check whether a node is a dangling guest node * * \param[in] node Node to check * * \return true if \p node had a Pacemaker Remote connection resource with a * launcher that was removed from the CIB, otherwise false. */ static bool is_dangling_guest_node(pcmk_node_t *node) { return pcmk__is_pacemaker_remote_node(node) && (node->priv->remote != NULL) && (node->priv->remote->priv->launcher == NULL) && pcmk_is_set(node->priv->remote->flags, pcmk__rsc_removed_launched); } /*! * \brief Schedule a fence action for a node * * \param[in,out] scheduler Scheduler data * \param[in,out] node Node to fence * \param[in] reason Text description of why fencing is needed * \param[in] priority_delay Whether to consider * \c PCMK_OPT_PRIORITY_FENCING_DELAY */ void pe_fence_node(pcmk_scheduler_t *scheduler, pcmk_node_t *node, const char *reason, bool priority_delay) { CRM_CHECK(node, return); if (pcmk__is_guest_or_bundle_node(node)) { // Fence a guest or bundle node by marking its launcher as failed pcmk_resource_t *rsc = node->priv->remote->priv->launcher; if (!pcmk_is_set(rsc->flags, pcmk__rsc_failed)) { if (!pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { crm_notice("Not fencing guest node %s " "(otherwise would because %s): " "its guest resource %s is unmanaged", pcmk__node_name(node), reason, rsc->id); } else { pcmk__sched_warn(scheduler, "Guest node %s will be fenced " "(by recovering its guest resource %s): %s", pcmk__node_name(node), rsc->id, reason); /* We don't mark the node as unclean because that would prevent the * node from running resources. We want to allow it to run resources * in this transition if the recovery succeeds. */ pcmk__set_node_flags(node, pcmk__node_remote_reset); pcmk__set_rsc_flags(rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); } } } else if (is_dangling_guest_node(node)) { crm_info("Cleaning up dangling connection for guest node %s: " "fencing was already done because %s, " "and guest resource no longer exists", pcmk__node_name(node), reason); pcmk__set_rsc_flags(node->priv->remote, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); } else if (pcmk__is_remote_node(node)) { pcmk_resource_t *rsc = node->priv->remote; if ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { crm_notice("Not fencing remote node %s " "(otherwise would because %s): connection is unmanaged", pcmk__node_name(node), reason); } else if (!pcmk_is_set(node->priv->flags, pcmk__node_remote_reset)) { pcmk__set_node_flags(node, pcmk__node_remote_reset); pcmk__sched_warn(scheduler, "Remote node %s %s: %s", pcmk__node_name(node), pe_can_fence(scheduler, node)? "will be fenced" : "is unclean", reason); } node->details->unclean = TRUE; // No need to apply PCMK_OPT_PRIORITY_FENCING_DELAY for remote nodes pe_fence_op(node, NULL, TRUE, reason, FALSE, scheduler); } else if (node->details->unclean) { crm_trace("Cluster node %s %s because %s", pcmk__node_name(node), pe_can_fence(scheduler, node)? "would also be fenced" : "also is unclean", reason); } else { pcmk__sched_warn(scheduler, "Cluster node %s %s: %s", pcmk__node_name(node), pe_can_fence(scheduler, node)? "will be fenced" : "is unclean", reason); node->details->unclean = TRUE; pe_fence_op(node, NULL, TRUE, reason, priority_delay, scheduler); } } // @TODO xpaths can't handle templates, rules, or id-refs // nvpair with provides or requires set to unfencing #define XPATH_UNFENCING_NVPAIR PCMK_XE_NVPAIR \ "[(@" PCMK_XA_NAME "='" PCMK_STONITH_PROVIDES "'" \ "or @" PCMK_XA_NAME "='" PCMK_META_REQUIRES "') " \ "and @" PCMK_XA_VALUE "='" PCMK_VALUE_UNFENCING "']" // unfencing in rsc_defaults or any resource #define XPATH_ENABLE_UNFENCING \ "/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_RESOURCES \ "//" PCMK_XE_META_ATTRIBUTES "/" XPATH_UNFENCING_NVPAIR \ "|/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_RSC_DEFAULTS \ "/" PCMK_XE_META_ATTRIBUTES "/" XPATH_UNFENCING_NVPAIR static void set_if_xpath(uint64_t flag, const char *xpath, pcmk_scheduler_t *scheduler) { xmlXPathObjectPtr result = NULL; if (!pcmk_is_set(scheduler->flags, flag)) { result = xpath_search(scheduler->input, xpath); if (result && (numXpathResults(result) > 0)) { pcmk__set_scheduler_flags(scheduler, flag); } freeXpathObject(result); } } gboolean unpack_config(xmlNode *config, pcmk_scheduler_t *scheduler) { const char *value = NULL; guint interval_ms = 0U; GHashTable *config_hash = pcmk__strkey_table(free, free); pe_rule_eval_data_t rule_data = { .node_hash = NULL, .now = scheduler->priv->now, .match_data = NULL, .rsc_data = NULL, .op_data = NULL }; scheduler->priv->options = config_hash; pe__unpack_dataset_nvpairs(config, PCMK_XE_CLUSTER_PROPERTY_SET, &rule_data, config_hash, PCMK_VALUE_CIB_BOOTSTRAP_OPTIONS, FALSE, scheduler); pcmk__validate_cluster_options(config_hash); set_config_flag(scheduler, PCMK_OPT_ENABLE_STARTUP_PROBES, pcmk__sched_probe_resources); if (!pcmk_is_set(scheduler->flags, pcmk__sched_probe_resources)) { crm_info("Startup probes: disabled (dangerous)"); } value = pcmk__cluster_option(config_hash, PCMK_OPT_HAVE_WATCHDOG); if (value && crm_is_true(value)) { crm_info("Watchdog-based self-fencing will be performed via SBD if " "fencing is required and " PCMK_OPT_STONITH_WATCHDOG_TIMEOUT " is nonzero"); pcmk__set_scheduler_flags(scheduler, pcmk__sched_have_fencing); } /* Set certain flags via xpath here, so they can be used before the relevant * configuration sections are unpacked. */ set_if_xpath(pcmk__sched_enable_unfencing, XPATH_ENABLE_UNFENCING, scheduler); value = pcmk__cluster_option(config_hash, PCMK_OPT_STONITH_TIMEOUT); pcmk_parse_interval_spec(value, &interval_ms); if (interval_ms >= INT_MAX) { scheduler->priv->fence_timeout_ms = INT_MAX; } else { scheduler->priv->fence_timeout_ms = (int) interval_ms; } crm_debug("STONITH timeout: %d", scheduler->priv->fence_timeout_ms); set_config_flag(scheduler, PCMK_OPT_STONITH_ENABLED, pcmk__sched_fencing_enabled); if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { crm_debug("STONITH of failed nodes is enabled"); } else { crm_debug("STONITH of failed nodes is disabled"); } scheduler->priv->fence_action = pcmk__cluster_option(config_hash, PCMK_OPT_STONITH_ACTION); if (!strcmp(scheduler->priv->fence_action, PCMK__ACTION_POWEROFF)) { pcmk__warn_once(pcmk__wo_poweroff, "Support for " PCMK_OPT_STONITH_ACTION " of " "'" PCMK__ACTION_POWEROFF "' is deprecated and will be " "removed in a future release " "(use '" PCMK_ACTION_OFF "' instead)"); scheduler->priv->fence_action = PCMK_ACTION_OFF; } crm_trace("STONITH will %s nodes", scheduler->priv->fence_action); set_config_flag(scheduler, PCMK_OPT_CONCURRENT_FENCING, pcmk__sched_concurrent_fencing); if (pcmk_is_set(scheduler->flags, pcmk__sched_concurrent_fencing)) { crm_debug("Concurrent fencing is enabled"); } else { crm_debug("Concurrent fencing is disabled"); } value = pcmk__cluster_option(config_hash, PCMK_OPT_PRIORITY_FENCING_DELAY); if (value) { pcmk_parse_interval_spec(value, &interval_ms); scheduler->priority_fencing_delay = (int) (interval_ms / 1000); crm_trace("Priority fencing delay is %ds", scheduler->priority_fencing_delay); } set_config_flag(scheduler, PCMK_OPT_STOP_ALL_RESOURCES, pcmk__sched_stop_all); crm_debug("Stop all active resources: %s", pcmk__flag_text(scheduler->flags, pcmk__sched_stop_all)); set_config_flag(scheduler, PCMK_OPT_SYMMETRIC_CLUSTER, pcmk__sched_symmetric_cluster); if (pcmk_is_set(scheduler->flags, pcmk__sched_symmetric_cluster)) { crm_debug("Cluster is symmetric" " - resources can run anywhere by default"); } value = pcmk__cluster_option(config_hash, PCMK_OPT_NO_QUORUM_POLICY); if (pcmk__str_eq(value, PCMK_VALUE_IGNORE, pcmk__str_casei)) { scheduler->no_quorum_policy = pcmk_no_quorum_ignore; } else if (pcmk__str_eq(value, PCMK_VALUE_FREEZE, pcmk__str_casei)) { scheduler->no_quorum_policy = pcmk_no_quorum_freeze; } else if (pcmk__str_eq(value, PCMK_VALUE_DEMOTE, pcmk__str_casei)) { scheduler->no_quorum_policy = pcmk_no_quorum_demote; } else if (pcmk__str_eq(value, PCMK_VALUE_FENCE_LEGACY, pcmk__str_casei)) { if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { int do_panic = 0; crm_element_value_int(scheduler->input, PCMK_XA_NO_QUORUM_PANIC, &do_panic); if (do_panic || pcmk_is_set(scheduler->flags, pcmk__sched_quorate)) { scheduler->no_quorum_policy = pcmk_no_quorum_fence; } else { crm_notice("Resetting " PCMK_OPT_NO_QUORUM_POLICY " to 'stop': cluster has never had quorum"); scheduler->no_quorum_policy = pcmk_no_quorum_stop; } } else { pcmk__config_err("Resetting " PCMK_OPT_NO_QUORUM_POLICY " to 'stop' because fencing is disabled"); scheduler->no_quorum_policy = pcmk_no_quorum_stop; } } else { scheduler->no_quorum_policy = pcmk_no_quorum_stop; } switch (scheduler->no_quorum_policy) { case pcmk_no_quorum_freeze: crm_debug("On loss of quorum: Freeze resources"); break; case pcmk_no_quorum_stop: crm_debug("On loss of quorum: Stop ALL resources"); break; case pcmk_no_quorum_demote: crm_debug("On loss of quorum: " "Demote promotable resources and stop other resources"); break; case pcmk_no_quorum_fence: crm_notice("On loss of quorum: Fence all remaining nodes"); break; case pcmk_no_quorum_ignore: crm_notice("On loss of quorum: Ignore"); break; } set_config_flag(scheduler, PCMK_OPT_STOP_ORPHAN_RESOURCES, pcmk__sched_stop_removed_resources); if (pcmk_is_set(scheduler->flags, pcmk__sched_stop_removed_resources)) { crm_trace("Orphan resources are stopped"); } else { crm_trace("Orphan resources are ignored"); } set_config_flag(scheduler, PCMK_OPT_STOP_ORPHAN_ACTIONS, pcmk__sched_cancel_removed_actions); if (pcmk_is_set(scheduler->flags, pcmk__sched_cancel_removed_actions)) { crm_trace("Orphan resource actions are stopped"); } else { crm_trace("Orphan resource actions are ignored"); } value = pcmk__cluster_option(config_hash, PCMK__OPT_REMOVE_AFTER_STOP); if (value != NULL) { if (crm_is_true(value)) { pcmk__set_scheduler_flags(scheduler, pcmk__sched_remove_after_stop); pcmk__warn_once(pcmk__wo_remove_after, "Support for the " PCMK__OPT_REMOVE_AFTER_STOP " cluster property is deprecated and will be " "removed in a future release"); } else { pcmk__clear_scheduler_flags(scheduler, pcmk__sched_remove_after_stop); } } set_config_flag(scheduler, PCMK_OPT_MAINTENANCE_MODE, pcmk__sched_in_maintenance); crm_trace("Maintenance mode: %s", pcmk__flag_text(scheduler->flags, pcmk__sched_in_maintenance)); set_config_flag(scheduler, PCMK_OPT_START_FAILURE_IS_FATAL, pcmk__sched_start_failure_fatal); if (pcmk_is_set(scheduler->flags, pcmk__sched_start_failure_fatal)) { crm_trace("Start failures are always fatal"); } else { crm_trace("Start failures are handled by failcount"); } if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { set_config_flag(scheduler, PCMK_OPT_STARTUP_FENCING, pcmk__sched_startup_fencing); } if (pcmk_is_set(scheduler->flags, pcmk__sched_startup_fencing)) { crm_trace("Unseen nodes will be fenced"); } else { pcmk__warn_once(pcmk__wo_blind, "Blind faith: not fencing unseen nodes"); } pe__unpack_node_health_scores(scheduler); scheduler->priv->placement_strategy = pcmk__cluster_option(config_hash, PCMK_OPT_PLACEMENT_STRATEGY); crm_trace("Placement strategy: %s", scheduler->priv->placement_strategy); set_config_flag(scheduler, PCMK_OPT_SHUTDOWN_LOCK, pcmk__sched_shutdown_lock); if (pcmk_is_set(scheduler->flags, pcmk__sched_shutdown_lock)) { value = pcmk__cluster_option(config_hash, PCMK_OPT_SHUTDOWN_LOCK_LIMIT); pcmk_parse_interval_spec(value, &(scheduler->shutdown_lock)); scheduler->shutdown_lock /= 1000; crm_trace("Resources will be locked to nodes that were cleanly " "shut down (locks expire after %s)", pcmk__readable_interval(scheduler->shutdown_lock)); } else { crm_trace("Resources will not be locked to nodes that were cleanly " "shut down"); } value = pcmk__cluster_option(config_hash, PCMK_OPT_NODE_PENDING_TIMEOUT); pcmk_parse_interval_spec(value, &(scheduler->node_pending_timeout)); scheduler->node_pending_timeout /= 1000; if (scheduler->node_pending_timeout == 0) { crm_trace("Do not fence pending nodes"); } else { crm_trace("Fence pending nodes after %s", pcmk__readable_interval(scheduler->node_pending_timeout * 1000)); } return TRUE; } pcmk_node_t * pe_create_node(const char *id, const char *uname, const char *type, const char *score, pcmk_scheduler_t *scheduler) { pcmk_node_t *new_node = NULL; if (pcmk_find_node(scheduler, uname) != NULL) { pcmk__config_warn("More than one node entry has name '%s'", uname); } new_node = calloc(1, sizeof(pcmk_node_t)); if (new_node == NULL) { pcmk__sched_err(scheduler, "Could not allocate memory for node %s", uname); return NULL; } new_node->assign = calloc(1, sizeof(struct pcmk__node_assignment)); new_node->details = calloc(1, sizeof(struct pcmk__node_details)); new_node->priv = calloc(1, sizeof(pcmk__node_private_t)); if ((new_node->assign == NULL) || (new_node->details == NULL) || (new_node->priv == NULL)) { free(new_node->assign); free(new_node->details); free(new_node->priv); free(new_node); pcmk__sched_err(scheduler, "Could not allocate memory for node %s", uname); return NULL; } crm_trace("Creating node for entry %s/%s", uname, id); new_node->assign->score = char2score(score); new_node->priv->id = id; new_node->priv->name = uname; new_node->priv->flags = pcmk__node_probes_allowed; new_node->details->online = FALSE; new_node->details->shutdown = FALSE; new_node->details->running_rsc = NULL; new_node->priv->scheduler = scheduler; if (pcmk__str_eq(type, PCMK_VALUE_MEMBER, pcmk__str_null_matches|pcmk__str_casei)) { new_node->priv->variant = pcmk__node_variant_cluster; } else if (pcmk__str_eq(type, PCMK_VALUE_REMOTE, pcmk__str_casei)) { new_node->priv->variant = pcmk__node_variant_remote; pcmk__set_scheduler_flags(scheduler, pcmk__sched_have_remote_nodes); } else { /* @COMPAT 'ping' is the default for backward compatibility, but it * should be changed to 'member' at a compatibility break */ if (!pcmk__str_eq(type, PCMK__VALUE_PING, pcmk__str_casei)) { pcmk__config_warn("Node %s has unrecognized type '%s', " "assuming '" PCMK__VALUE_PING "'", pcmk__s(uname, "without name"), type); } pcmk__warn_once(pcmk__wo_ping_node, "Support for nodes of type '" PCMK__VALUE_PING "' " "(such as %s) is deprecated and will be removed in a " "future release", pcmk__s(uname, "unnamed node")); new_node->priv->variant = pcmk__node_variant_ping; } new_node->priv->attrs = pcmk__strkey_table(free, free); if (pcmk__is_pacemaker_remote_node(new_node)) { pcmk__insert_dup(new_node->priv->attrs, CRM_ATTR_KIND, "remote"); } else { pcmk__insert_dup(new_node->priv->attrs, CRM_ATTR_KIND, "cluster"); } new_node->priv->utilization = pcmk__strkey_table(free, free); new_node->priv->digest_cache = pcmk__strkey_table(free, pe__free_digests); scheduler->nodes = g_list_insert_sorted(scheduler->nodes, new_node, pe__cmp_node_name); return new_node; } static const char * expand_remote_rsc_meta(xmlNode *xml_obj, xmlNode *parent, pcmk_scheduler_t *data) { xmlNode *attr_set = NULL; xmlNode *attr = NULL; const char *container_id = pcmk__xe_id(xml_obj); const char *remote_name = NULL; const char *remote_server = NULL; const char *remote_port = NULL; const char *connect_timeout = "60s"; const char *remote_allow_migrate=NULL; const char *is_managed = NULL; for (attr_set = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL); attr_set != NULL; attr_set = pcmk__xe_next(attr_set)) { if (!pcmk__xe_is(attr_set, PCMK_XE_META_ATTRIBUTES)) { continue; } for (attr = pcmk__xe_first_child(attr_set, NULL, NULL, NULL); attr != NULL; attr = pcmk__xe_next(attr)) { const char *value = crm_element_value(attr, PCMK_XA_VALUE); const char *name = crm_element_value(attr, PCMK_XA_NAME); if (name == NULL) { // Sanity continue; } if (strcmp(name, PCMK_META_REMOTE_NODE) == 0) { remote_name = value; } else if (strcmp(name, PCMK_META_REMOTE_ADDR) == 0) { remote_server = value; } else if (strcmp(name, PCMK_META_REMOTE_PORT) == 0) { remote_port = value; } else if (strcmp(name, PCMK_META_REMOTE_CONNECT_TIMEOUT) == 0) { connect_timeout = value; } else if (strcmp(name, PCMK_META_REMOTE_ALLOW_MIGRATE) == 0) { remote_allow_migrate = value; } else if (strcmp(name, PCMK_META_IS_MANAGED) == 0) { is_managed = value; } } } if (remote_name == NULL) { return NULL; } - if (pe_find_resource(data->resources, remote_name) != NULL) { + if (pe_find_resource(data->priv->resources, remote_name) != NULL) { return NULL; } pe_create_remote_xml(parent, remote_name, container_id, remote_allow_migrate, is_managed, connect_timeout, remote_server, remote_port); return remote_name; } static void handle_startup_fencing(pcmk_scheduler_t *scheduler, pcmk_node_t *new_node) { if ((new_node->priv->variant == pcmk__node_variant_remote) && (new_node->priv->remote == NULL)) { /* Ignore fencing for remote nodes that don't have a connection resource * associated with them. This happens when remote node entries get left * in the nodes section after the connection resource is removed. */ return; } if (pcmk_is_set(scheduler->flags, pcmk__sched_startup_fencing)) { // All nodes are unclean until we've seen their status entry new_node->details->unclean = TRUE; } else { // Blind faith ... new_node->details->unclean = FALSE; } } gboolean unpack_nodes(xmlNode *xml_nodes, pcmk_scheduler_t *scheduler) { xmlNode *xml_obj = NULL; pcmk_node_t *new_node = NULL; const char *id = NULL; const char *uname = NULL; const char *type = NULL; const char *score = NULL; for (xml_obj = pcmk__xe_first_child(xml_nodes, NULL, NULL, NULL); xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) { if (pcmk__xe_is(xml_obj, PCMK_XE_NODE)) { new_node = NULL; id = crm_element_value(xml_obj, PCMK_XA_ID); uname = crm_element_value(xml_obj, PCMK_XA_UNAME); type = crm_element_value(xml_obj, PCMK_XA_TYPE); score = crm_element_value(xml_obj, PCMK_XA_SCORE); crm_trace("Processing node %s/%s", uname, id); if (id == NULL) { pcmk__config_err("Ignoring <" PCMK_XE_NODE "> entry in configuration without id"); continue; } new_node = pe_create_node(id, uname, type, score, scheduler); if (new_node == NULL) { return FALSE; } handle_startup_fencing(scheduler, new_node); add_node_attrs(xml_obj, new_node, FALSE, scheduler); crm_trace("Done with node %s", crm_element_value(xml_obj, PCMK_XA_UNAME)); } } if (scheduler->localhost && (pcmk_find_node(scheduler, scheduler->localhost) == NULL)) { crm_info("Creating a fake local node"); pe_create_node(scheduler->localhost, scheduler->localhost, NULL, 0, scheduler); } return TRUE; } static void unpack_launcher(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler) { const char *launcher_id = NULL; if (rsc->priv->children != NULL) { g_list_foreach(rsc->priv->children, (GFunc) unpack_launcher, scheduler); return; } launcher_id = g_hash_table_lookup(rsc->priv->meta, PCMK__META_CONTAINER); if ((launcher_id != NULL) && !pcmk__str_eq(launcher_id, rsc->id, pcmk__str_none)) { - pcmk_resource_t *launcher = pe_find_resource(scheduler->resources, + pcmk_resource_t *launcher = pe_find_resource(scheduler->priv->resources, launcher_id); if (launcher != NULL) { rsc->priv->launcher = launcher; launcher->priv->launched = g_list_append(launcher->priv->launched, rsc); pcmk__rsc_trace(rsc, "Resource %s's launcher is %s", rsc->id, launcher_id); } else { pcmk__config_err("Resource %s: Unknown " PCMK__META_CONTAINER " %s", rsc->id, launcher_id); } } } gboolean unpack_remote_nodes(xmlNode *xml_resources, pcmk_scheduler_t *scheduler) { xmlNode *xml_obj = NULL; /* Create remote nodes and guest nodes from the resource configuration * before unpacking resources. */ for (xml_obj = pcmk__xe_first_child(xml_resources, NULL, NULL, NULL); xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) { const char *new_node_id = NULL; /* Check for remote nodes, which are defined by ocf:pacemaker:remote * primitives. */ if (xml_contains_remote_node(xml_obj)) { new_node_id = pcmk__xe_id(xml_obj); /* The pcmk_find_node() check ensures we don't iterate over an * expanded node that has already been added to the node list */ if (new_node_id && (pcmk_find_node(scheduler, new_node_id) == NULL)) { crm_trace("Found remote node %s defined by resource %s", new_node_id, pcmk__xe_id(xml_obj)); pe_create_node(new_node_id, new_node_id, PCMK_VALUE_REMOTE, NULL, scheduler); } continue; } /* Check for guest nodes, which are defined by special meta-attributes * of a primitive of any type (for example, VirtualDomain or Xen). */ if (pcmk__xe_is(xml_obj, PCMK_XE_PRIMITIVE)) { /* This will add an ocf:pacemaker:remote primitive to the * configuration for the guest node's connection, to be unpacked * later. */ new_node_id = expand_remote_rsc_meta(xml_obj, xml_resources, scheduler); if (new_node_id && (pcmk_find_node(scheduler, new_node_id) == NULL)) { crm_trace("Found guest node %s in resource %s", new_node_id, pcmk__xe_id(xml_obj)); pe_create_node(new_node_id, new_node_id, PCMK_VALUE_REMOTE, NULL, scheduler); } continue; } /* Check for guest nodes inside a group. Clones are currently not * supported as guest nodes. */ if (pcmk__xe_is(xml_obj, PCMK_XE_GROUP)) { xmlNode *xml_obj2 = NULL; for (xml_obj2 = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL); xml_obj2 != NULL; xml_obj2 = pcmk__xe_next(xml_obj2)) { new_node_id = expand_remote_rsc_meta(xml_obj2, xml_resources, scheduler); if (new_node_id && (pcmk_find_node(scheduler, new_node_id) == NULL)) { crm_trace("Found guest node %s in resource %s inside group %s", new_node_id, pcmk__xe_id(xml_obj2), pcmk__xe_id(xml_obj)); pe_create_node(new_node_id, new_node_id, PCMK_VALUE_REMOTE, NULL, scheduler); } } } } return TRUE; } /* Call this after all the nodes and resources have been * unpacked, but before the status section is read. * * A remote node's online status is reflected by the state * of the remote node's connection resource. We need to link * the remote node to this connection resource so we can have * easy access to the connection resource during the scheduler calculations. */ static void link_rsc2remotenode(pcmk_scheduler_t *scheduler, pcmk_resource_t *new_rsc) { pcmk_node_t *remote_node = NULL; if (!pcmk_is_set(new_rsc->flags, pcmk__rsc_is_remote_connection)) { return; } if (pcmk_is_set(scheduler->flags, pcmk__sched_location_only)) { /* remote_nodes and remote_resources are not linked in quick location calculations */ return; } remote_node = pcmk_find_node(scheduler, new_rsc->id); CRM_CHECK(remote_node != NULL, return); pcmk__rsc_trace(new_rsc, "Linking remote connection resource %s to %s", new_rsc->id, pcmk__node_name(remote_node)); remote_node->priv->remote = new_rsc; if (new_rsc->priv->launcher == NULL) { /* Handle start-up fencing for remote nodes (as opposed to guest nodes) * the same as is done for cluster nodes. */ handle_startup_fencing(scheduler, remote_node); } else { /* pe_create_node() marks the new node as "remote" or "cluster"; now * that we know the node is a guest node, update it correctly. */ pcmk__insert_dup(remote_node->priv->attrs, CRM_ATTR_KIND, "container"); } } /*! * \internal * \brief Parse configuration XML for resource information * * \param[in] xml_resources Top of resource configuration XML * \param[in,out] scheduler Scheduler data * * \return TRUE * * \note unpack_remote_nodes() MUST be called before this, so that the nodes can * be used when pe__unpack_resource() calls resource_location() */ gboolean unpack_resources(const xmlNode *xml_resources, pcmk_scheduler_t *scheduler) { xmlNode *xml_obj = NULL; GList *gIter = NULL; scheduler->template_rsc_sets = pcmk__strkey_table(free, pcmk__free_idref); for (xml_obj = pcmk__xe_first_child(xml_resources, NULL, NULL, NULL); xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) { pcmk_resource_t *new_rsc = NULL; const char *id = pcmk__xe_id(xml_obj); if (pcmk__str_empty(id)) { pcmk__config_err("Ignoring <%s> resource without ID", xml_obj->name); continue; } if (pcmk__xe_is(xml_obj, PCMK_XE_TEMPLATE)) { if (g_hash_table_lookup_extended(scheduler->template_rsc_sets, id, NULL, NULL) == FALSE) { /* Record the template's ID for the knowledge of its existence anyway. */ pcmk__insert_dup(scheduler->template_rsc_sets, id, NULL); } continue; } crm_trace("Unpacking <%s " PCMK_XA_ID "='%s'>", xml_obj->name, id); if (pe__unpack_resource(xml_obj, &new_rsc, NULL, scheduler) == pcmk_rc_ok) { - scheduler->resources = g_list_append(scheduler->resources, new_rsc); + scheduler->priv->resources = + g_list_append(scheduler->priv->resources, new_rsc); pcmk__rsc_trace(new_rsc, "Added resource %s", new_rsc->id); } else { pcmk__config_err("Ignoring <%s> resource '%s' " "because configuration is invalid", xml_obj->name, id); } } - for (gIter = scheduler->resources; gIter != NULL; gIter = gIter->next) { + for (gIter = scheduler->priv->resources; + gIter != NULL; gIter = gIter->next) { + pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data; unpack_launcher(rsc, scheduler); link_rsc2remotenode(scheduler, rsc); } - scheduler->resources = g_list_sort(scheduler->resources, - pe__cmp_rsc_priority); + scheduler->priv->resources = g_list_sort(scheduler->priv->resources, + pe__cmp_rsc_priority); if (pcmk_is_set(scheduler->flags, pcmk__sched_location_only)) { /* Ignore */ } else if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled) && !pcmk_is_set(scheduler->flags, pcmk__sched_have_fencing)) { pcmk__config_err("Resource start-up disabled since no STONITH resources have been defined"); pcmk__config_err("Either configure some or disable STONITH with the " PCMK_OPT_STONITH_ENABLED " option"); pcmk__config_err("NOTE: Clusters with shared data need STONITH to ensure data integrity"); } return TRUE; } gboolean unpack_tags(xmlNode *xml_tags, pcmk_scheduler_t *scheduler) { xmlNode *xml_tag = NULL; scheduler->tags = pcmk__strkey_table(free, pcmk__free_idref); for (xml_tag = pcmk__xe_first_child(xml_tags, NULL, NULL, NULL); xml_tag != NULL; xml_tag = pcmk__xe_next(xml_tag)) { xmlNode *xml_obj_ref = NULL; const char *tag_id = pcmk__xe_id(xml_tag); if (!pcmk__xe_is(xml_tag, PCMK_XE_TAG)) { continue; } if (tag_id == NULL) { pcmk__config_err("Ignoring <%s> without " PCMK_XA_ID, (const char *) xml_tag->name); continue; } for (xml_obj_ref = pcmk__xe_first_child(xml_tag, NULL, NULL, NULL); xml_obj_ref != NULL; xml_obj_ref = pcmk__xe_next(xml_obj_ref)) { const char *obj_ref = pcmk__xe_id(xml_obj_ref); if (!pcmk__xe_is(xml_obj_ref, PCMK_XE_OBJ_REF)) { continue; } if (obj_ref == NULL) { pcmk__config_err("Ignoring <%s> for tag '%s' without " PCMK_XA_ID, xml_obj_ref->name, tag_id); continue; } pcmk__add_idref(scheduler->tags, tag_id, obj_ref); } } return TRUE; } /* The ticket state section: * "/cib/status/tickets/ticket_state" */ static gboolean unpack_ticket_state(xmlNode *xml_ticket, pcmk_scheduler_t *scheduler) { const char *ticket_id = NULL; const char *granted = NULL; const char *last_granted = NULL; const char *standby = NULL; xmlAttrPtr xIter = NULL; pcmk__ticket_t *ticket = NULL; ticket_id = pcmk__xe_id(xml_ticket); if (pcmk__str_empty(ticket_id)) { return FALSE; } crm_trace("Processing ticket state for %s", ticket_id); ticket = g_hash_table_lookup(scheduler->priv->ticket_constraints, ticket_id); if (ticket == NULL) { ticket = ticket_new(ticket_id, scheduler); if (ticket == NULL) { return FALSE; } } for (xIter = xml_ticket->properties; xIter; xIter = xIter->next) { const char *prop_name = (const char *)xIter->name; const char *prop_value = pcmk__xml_attr_value(xIter); if (pcmk__str_eq(prop_name, PCMK_XA_ID, pcmk__str_none)) { continue; } pcmk__insert_dup(ticket->state, prop_name, prop_value); } granted = g_hash_table_lookup(ticket->state, PCMK__XA_GRANTED); if (granted && crm_is_true(granted)) { pcmk__set_ticket_flags(ticket, pcmk__ticket_granted); crm_info("We have ticket '%s'", ticket->id); } else { pcmk__clear_ticket_flags(ticket, pcmk__ticket_granted); crm_info("We do not have ticket '%s'", ticket->id); } last_granted = g_hash_table_lookup(ticket->state, PCMK_XA_LAST_GRANTED); if (last_granted) { long long last_granted_ll; pcmk__scan_ll(last_granted, &last_granted_ll, 0LL); ticket->last_granted = (time_t) last_granted_ll; } standby = g_hash_table_lookup(ticket->state, PCMK_XA_STANDBY); if (standby && crm_is_true(standby)) { pcmk__set_ticket_flags(ticket, pcmk__ticket_standby); if (pcmk_is_set(ticket->flags, pcmk__ticket_granted)) { crm_info("Granted ticket '%s' is in standby-mode", ticket->id); } } else { pcmk__clear_ticket_flags(ticket, pcmk__ticket_standby); } crm_trace("Done with ticket state for %s", ticket_id); return TRUE; } static gboolean unpack_tickets_state(xmlNode *xml_tickets, pcmk_scheduler_t *scheduler) { xmlNode *xml_obj = NULL; for (xml_obj = pcmk__xe_first_child(xml_tickets, NULL, NULL, NULL); xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) { if (!pcmk__xe_is(xml_obj, PCMK__XE_TICKET_STATE)) { continue; } unpack_ticket_state(xml_obj, scheduler); } return TRUE; } static void unpack_handle_remote_attrs(pcmk_node_t *this_node, const xmlNode *state, pcmk_scheduler_t *scheduler) { const char *discovery = NULL; const xmlNode *attrs = NULL; pcmk_resource_t *rsc = NULL; int maint = 0; if (!pcmk__xe_is(state, PCMK__XE_NODE_STATE)) { return; } if ((this_node == NULL) || !pcmk__is_pacemaker_remote_node(this_node)) { return; } crm_trace("Processing Pacemaker Remote node %s", pcmk__node_name(this_node)); pcmk__scan_min_int(crm_element_value(state, PCMK__XA_NODE_IN_MAINTENANCE), &maint, 0); if (maint) { pcmk__set_node_flags(this_node, pcmk__node_remote_maint); } else { pcmk__clear_node_flags(this_node, pcmk__node_remote_maint); } rsc = this_node->priv->remote; if (!pcmk_is_set(this_node->priv->flags, pcmk__node_remote_reset)) { this_node->details->unclean = FALSE; pcmk__set_node_flags(this_node, pcmk__node_seen); } attrs = pcmk__xe_first_child(state, PCMK__XE_TRANSIENT_ATTRIBUTES, NULL, NULL); add_node_attrs(attrs, this_node, TRUE, scheduler); if (pe__shutdown_requested(this_node)) { crm_info("%s is shutting down", pcmk__node_name(this_node)); this_node->details->shutdown = TRUE; } if (crm_is_true(pcmk__node_attr(this_node, PCMK_NODE_ATTR_STANDBY, NULL, pcmk__rsc_node_current))) { crm_info("%s is in standby mode", pcmk__node_name(this_node)); pcmk__set_node_flags(this_node, pcmk__node_standby); } if (crm_is_true(pcmk__node_attr(this_node, PCMK_NODE_ATTR_MAINTENANCE, NULL, pcmk__rsc_node_current)) || ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk__rsc_managed))) { crm_info("%s is in maintenance mode", pcmk__node_name(this_node)); this_node->details->maintenance = TRUE; } discovery = pcmk__node_attr(this_node, PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED, NULL, pcmk__rsc_node_current); if ((discovery != NULL) && !crm_is_true(discovery)) { pcmk__warn_once(pcmk__wo_rdisc_enabled, "Support for the " PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED " node attribute is deprecated and will be removed" " (and behave as 'true') in a future release."); if (pcmk__is_remote_node(this_node) && !pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { pcmk__config_warn("Ignoring " PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED " attribute on Pacemaker Remote node %s" " because fencing is disabled", pcmk__node_name(this_node)); } else { /* This is either a remote node with fencing enabled, or a guest * node. We don't care whether fencing is enabled when fencing guest * nodes, because they are "fenced" by recovering their containing * resource. */ crm_info("%s has resource discovery disabled", pcmk__node_name(this_node)); pcmk__clear_node_flags(this_node, pcmk__node_probes_allowed); } } } /*! * \internal * \brief Unpack a cluster node's transient attributes * * \param[in] state CIB node state XML * \param[in,out] node Cluster node whose attributes are being unpacked * \param[in,out] scheduler Scheduler data */ static void unpack_transient_attributes(const xmlNode *state, pcmk_node_t *node, pcmk_scheduler_t *scheduler) { const char *discovery = NULL; const xmlNode *attrs = pcmk__xe_first_child(state, PCMK__XE_TRANSIENT_ATTRIBUTES, NULL, NULL); add_node_attrs(attrs, node, TRUE, scheduler); if (crm_is_true(pcmk__node_attr(node, PCMK_NODE_ATTR_STANDBY, NULL, pcmk__rsc_node_current))) { crm_info("%s is in standby mode", pcmk__node_name(node)); pcmk__set_node_flags(node, pcmk__node_standby); } if (crm_is_true(pcmk__node_attr(node, PCMK_NODE_ATTR_MAINTENANCE, NULL, pcmk__rsc_node_current))) { crm_info("%s is in maintenance mode", pcmk__node_name(node)); node->details->maintenance = TRUE; } discovery = pcmk__node_attr(node, PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED, NULL, pcmk__rsc_node_current); if ((discovery != NULL) && !crm_is_true(discovery)) { pcmk__config_warn("Ignoring " PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED " attribute for %s because disabling resource" " discovery is not allowed for cluster nodes", pcmk__node_name(node)); } } /*! * \internal * \brief Unpack a node state entry (first pass) * * Unpack one node state entry from status. This unpacks information from the * \C PCMK__XE_NODE_STATE element itself and node attributes inside it, but not * the resource history inside it. Multiple passes through the status are needed * to fully unpack everything. * * \param[in] state CIB node state XML * \param[in,out] scheduler Scheduler data */ static void unpack_node_state(const xmlNode *state, pcmk_scheduler_t *scheduler) { const char *id = NULL; const char *uname = NULL; pcmk_node_t *this_node = NULL; id = crm_element_value(state, PCMK_XA_ID); if (id == NULL) { pcmk__config_err("Ignoring invalid " PCMK__XE_NODE_STATE " entry without " PCMK_XA_ID); crm_log_xml_info(state, "missing-id"); return; } uname = crm_element_value(state, PCMK_XA_UNAME); if (uname == NULL) { /* If a joining peer makes the cluster acquire the quorum from corosync * meanwhile it has not joined CPG membership of pacemaker-controld yet, * it's possible that the created PCMK__XE_NODE_STATE entry doesn't have * a PCMK_XA_UNAME yet. We should recognize the node as `pending` and * wait for it to join CPG. */ crm_trace("Handling " PCMK__XE_NODE_STATE " entry with id=\"%s\" " "without " PCMK_XA_UNAME, id); } this_node = pe_find_node_any(scheduler->nodes, id, uname); if (this_node == NULL) { crm_notice("Ignoring recorded state for removed node with name %s and " PCMK_XA_ID " %s", pcmk__s(uname, "unknown"), id); return; } if (pcmk__is_pacemaker_remote_node(this_node)) { int remote_fenced = 0; /* We can't determine the online status of Pacemaker Remote nodes until * after all resource history has been unpacked. In this first pass, we * do need to mark whether the node has been fenced, as this plays a * role during unpacking cluster node resource state. */ pcmk__scan_min_int(crm_element_value(state, PCMK__XA_NODE_FENCED), &remote_fenced, 0); if (remote_fenced) { pcmk__set_node_flags(this_node, pcmk__node_remote_fenced); } else { pcmk__clear_node_flags(this_node, pcmk__node_remote_fenced); } return; } unpack_transient_attributes(state, this_node, scheduler); /* Provisionally mark this cluster node as clean. We have at least seen it * in the current cluster's lifetime. */ this_node->details->unclean = FALSE; pcmk__set_node_flags(this_node, pcmk__node_seen); crm_trace("Determining online status of cluster node %s (id %s)", pcmk__node_name(this_node), id); determine_online_status(state, this_node, scheduler); if (!pcmk_is_set(scheduler->flags, pcmk__sched_quorate) && this_node->details->online && (scheduler->no_quorum_policy == pcmk_no_quorum_fence)) { /* Everything else should flow from this automatically * (at least until the scheduler becomes able to migrate off * healthy resources) */ pe_fence_node(scheduler, this_node, "cluster does not have quorum", FALSE); } } /*! * \internal * \brief Unpack nodes' resource history as much as possible * * Unpack as many nodes' resource history as possible in one pass through the * status. We need to process Pacemaker Remote nodes' connections/containers * before unpacking their history; the connection/container history will be * in another node's history, so it might take multiple passes to unpack * everything. * * \param[in] status CIB XML status section * \param[in] fence If true, treat any not-yet-unpacked nodes as unseen * \param[in,out] scheduler Scheduler data * * \return Standard Pacemaker return code (specifically pcmk_rc_ok if done, * or EAGAIN if more unpacking remains to be done) */ static int unpack_node_history(const xmlNode *status, bool fence, pcmk_scheduler_t *scheduler) { int rc = pcmk_rc_ok; // Loop through all PCMK__XE_NODE_STATE entries in CIB status for (const xmlNode *state = pcmk__xe_first_child(status, PCMK__XE_NODE_STATE, NULL, NULL); state != NULL; state = pcmk__xe_next_same(state)) { const char *id = pcmk__xe_id(state); const char *uname = crm_element_value(state, PCMK_XA_UNAME); pcmk_node_t *this_node = NULL; if ((id == NULL) || (uname == NULL)) { // Warning already logged in first pass through status section crm_trace("Not unpacking resource history from malformed " PCMK__XE_NODE_STATE " without id and/or uname"); continue; } this_node = pe_find_node_any(scheduler->nodes, id, uname); if (this_node == NULL) { // Warning already logged in first pass through status section crm_trace("Not unpacking resource history for node %s because " "no longer in configuration", id); continue; } if (pcmk_is_set(this_node->priv->flags, pcmk__node_unpacked)) { crm_trace("Not unpacking resource history for node %s because " "already unpacked", id); continue; } if (fence) { // We're processing all remaining nodes } else if (pcmk__is_guest_or_bundle_node(this_node)) { /* We can unpack a guest node's history only after we've unpacked * other resource history to the point that we know that the node's * connection and containing resource are both up. */ const pcmk_resource_t *remote = this_node->priv->remote; const pcmk_resource_t *launcher = remote->priv->launcher; if ((remote->priv->orig_role != pcmk_role_started) || (launcher->priv->orig_role != pcmk_role_started)) { crm_trace("Not unpacking resource history for guest node %s " "because launcher and connection are not known to " "be up", id); continue; } } else if (pcmk__is_remote_node(this_node)) { /* We can unpack a remote node's history only after we've unpacked * other resource history to the point that we know that the node's * connection is up, with the exception of when shutdown locks are * in use. */ pcmk_resource_t *rsc = this_node->priv->remote; if ((rsc == NULL) || (!pcmk_is_set(scheduler->flags, pcmk__sched_shutdown_lock) && (rsc->priv->orig_role != pcmk_role_started))) { crm_trace("Not unpacking resource history for remote node %s " "because connection is not known to be up", id); continue; } /* If fencing and shutdown locks are disabled and we're not processing * unseen nodes, then we don't want to unpack offline nodes until online * nodes have been unpacked. This allows us to number active clone * instances first. */ } else if (!pcmk_any_flags_set(scheduler->flags, pcmk__sched_fencing_enabled |pcmk__sched_shutdown_lock) && !this_node->details->online) { crm_trace("Not unpacking resource history for offline " "cluster node %s", id); continue; } if (pcmk__is_pacemaker_remote_node(this_node)) { determine_remote_online_status(scheduler, this_node); unpack_handle_remote_attrs(this_node, state, scheduler); } crm_trace("Unpacking resource history for %snode %s", (fence? "unseen " : ""), id); pcmk__set_node_flags(this_node, pcmk__node_unpacked); unpack_node_lrm(this_node, state, scheduler); rc = EAGAIN; // Other node histories might depend on this one } return rc; } /* remove nodes that are down, stopping */ /* create positive rsc_to_node constraints between resources and the nodes they are running on */ /* anything else? */ gboolean unpack_status(xmlNode *status, pcmk_scheduler_t *scheduler) { xmlNode *state = NULL; crm_trace("Beginning unpack"); if (scheduler->priv->ticket_constraints == NULL) { scheduler->priv->ticket_constraints = pcmk__strkey_table(free, destroy_ticket); } for (state = pcmk__xe_first_child(status, NULL, NULL, NULL); state != NULL; state = pcmk__xe_next(state)) { if (pcmk__xe_is(state, PCMK_XE_TICKETS)) { unpack_tickets_state((xmlNode *) state, scheduler); } else if (pcmk__xe_is(state, PCMK__XE_NODE_STATE)) { unpack_node_state(state, scheduler); } } while (unpack_node_history(status, FALSE, scheduler) == EAGAIN) { crm_trace("Another pass through node resource histories is needed"); } // Now catch any nodes we didn't see unpack_node_history(status, pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled), scheduler); /* Now that we know where resources are, we can schedule stops of containers * with failed bundle connections */ if (scheduler->stop_needed != NULL) { for (GList *item = scheduler->stop_needed; item; item = item->next) { pcmk_resource_t *container = item->data; pcmk_node_t *node = pcmk__current_node(container); if (node) { stop_action(container, node, FALSE); } } g_list_free(scheduler->stop_needed); scheduler->stop_needed = NULL; } /* Now that we know status of all Pacemaker Remote connections and nodes, * we can stop connections for node shutdowns, and check the online status * of remote/guest nodes that didn't have any node history to unpack. */ for (GList *gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) { pcmk_node_t *this_node = gIter->data; if (!pcmk__is_pacemaker_remote_node(this_node)) { continue; } if (this_node->details->shutdown && (this_node->priv->remote != NULL)) { pe__set_next_role(this_node->priv->remote, pcmk_role_stopped, "remote shutdown"); } if (!pcmk_is_set(this_node->priv->flags, pcmk__node_unpacked)) { determine_remote_online_status(scheduler, this_node); } } return TRUE; } /*! * \internal * \brief Unpack node's time when it became a member at the cluster layer * * \param[in] node_state Node's \c PCMK__XE_NODE_STATE entry * \param[in,out] scheduler Scheduler data * * \return Epoch time when node became a cluster member * (or scheduler effective time for legacy entries) if a member, * 0 if not a member, or -1 if no valid information available */ static long long unpack_node_member(const xmlNode *node_state, pcmk_scheduler_t *scheduler) { const char *member_time = crm_element_value(node_state, PCMK__XA_IN_CCM); int member = 0; if (member_time == NULL) { return -1LL; } else if (crm_str_to_boolean(member_time, &member) == 1) { /* If in_ccm=0, we'll return 0 here. If in_ccm=1, either the entry was * recorded as a boolean for a DC < 2.1.7, or the node is pending * shutdown and has left the CPG, in which case it was set to 1 to avoid * fencing for PCMK_OPT_NODE_PENDING_TIMEOUT. * * We return the effective time for in_ccm=1 because what's important to * avoid fencing is that effective time minus this value is less than * the pending node timeout. */ return member? (long long) get_effective_time(scheduler) : 0LL; } else { long long when_member = 0LL; if ((pcmk__scan_ll(member_time, &when_member, 0LL) != pcmk_rc_ok) || (when_member < 0LL)) { crm_warn("Unrecognized value '%s' for " PCMK__XA_IN_CCM " in " PCMK__XE_NODE_STATE " entry", member_time); return -1LL; } return when_member; } } /*! * \internal * \brief Unpack node's time when it became online in process group * * \param[in] node_state Node's \c PCMK__XE_NODE_STATE entry * * \return Epoch time when node became online in process group (or 0 if not * online, or 1 for legacy online entries) */ static long long unpack_node_online(const xmlNode *node_state) { const char *peer_time = crm_element_value(node_state, PCMK_XA_CRMD); // @COMPAT Entries recorded for DCs < 2.1.7 have "online" or "offline" if (pcmk__str_eq(peer_time, PCMK_VALUE_OFFLINE, pcmk__str_casei|pcmk__str_null_matches)) { return 0LL; } else if (pcmk__str_eq(peer_time, PCMK_VALUE_ONLINE, pcmk__str_casei)) { return 1LL; } else { long long when_online = 0LL; if ((pcmk__scan_ll(peer_time, &when_online, 0LL) != pcmk_rc_ok) || (when_online < 0)) { crm_warn("Unrecognized value '%s' for " PCMK_XA_CRMD " in " PCMK__XE_NODE_STATE " entry, assuming offline", peer_time); return 0LL; } return when_online; } } /*! * \internal * \brief Unpack node attribute for user-requested fencing * * \param[in] node Node to check * \param[in] node_state Node's \c PCMK__XE_NODE_STATE entry in CIB status * * \return \c true if fencing has been requested for \p node, otherwise \c false */ static bool unpack_node_terminate(const pcmk_node_t *node, const xmlNode *node_state) { long long value = 0LL; int value_i = 0; const char *value_s = pcmk__node_attr(node, PCMK_NODE_ATTR_TERMINATE, NULL, pcmk__rsc_node_current); // Value may be boolean or an epoch time if (crm_str_to_boolean(value_s, &value_i) == 1) { return (value_i != 0); } if (pcmk__scan_ll(value_s, &value, 0LL) == pcmk_rc_ok) { return (value > 0); } crm_warn("Ignoring unrecognized value '%s' for " PCMK_NODE_ATTR_TERMINATE "node attribute for %s", value_s, pcmk__node_name(node)); return false; } static gboolean determine_online_status_no_fencing(pcmk_scheduler_t *scheduler, const xmlNode *node_state, pcmk_node_t *this_node) { gboolean online = FALSE; const char *join = crm_element_value(node_state, PCMK__XA_JOIN); const char *exp_state = crm_element_value(node_state, PCMK_XA_EXPECTED); long long when_member = unpack_node_member(node_state, scheduler); long long when_online = unpack_node_online(node_state); if (when_member <= 0) { crm_trace("Node %s is %sdown", pcmk__node_name(this_node), ((when_member < 0)? "presumed " : "")); } else if (when_online > 0) { if (pcmk__str_eq(join, CRMD_JOINSTATE_MEMBER, pcmk__str_casei)) { online = TRUE; } else { crm_debug("Node %s is not ready to run resources: %s", pcmk__node_name(this_node), join); } } else if (!pcmk_is_set(this_node->priv->flags, pcmk__node_expected_up)) { crm_trace("Node %s controller is down: " "member@%lld online@%lld join=%s expected=%s", pcmk__node_name(this_node), when_member, when_online, pcmk__s(join, ""), pcmk__s(exp_state, "")); } else { /* mark it unclean */ pe_fence_node(scheduler, this_node, "peer is unexpectedly down", FALSE); crm_info("Node %s member@%lld online@%lld join=%s expected=%s", pcmk__node_name(this_node), when_member, when_online, pcmk__s(join, ""), pcmk__s(exp_state, "")); } return online; } /*! * \internal * \brief Check whether a node has taken too long to join controller group * * \param[in,out] scheduler Scheduler data * \param[in] node Node to check * \param[in] when_member Epoch time when node became a cluster member * \param[in] when_online Epoch time when node joined controller group * * \return true if node has been pending (on the way up) longer than * \c PCMK_OPT_NODE_PENDING_TIMEOUT, otherwise false * \note This will also update the cluster's recheck time if appropriate. */ static inline bool pending_too_long(pcmk_scheduler_t *scheduler, const pcmk_node_t *node, long long when_member, long long when_online) { if ((scheduler->node_pending_timeout > 0) && (when_member > 0) && (when_online <= 0)) { // There is a timeout on pending nodes, and node is pending time_t timeout = when_member + scheduler->node_pending_timeout; if (get_effective_time(node->priv->scheduler) >= timeout) { return true; // Node has timed out } // Node is pending, but still has time pe__update_recheck_time(timeout, scheduler, "pending node timeout"); } return false; } static bool determine_online_status_fencing(pcmk_scheduler_t *scheduler, const xmlNode *node_state, pcmk_node_t *this_node) { bool termination_requested = unpack_node_terminate(this_node, node_state); const char *join = crm_element_value(node_state, PCMK__XA_JOIN); const char *exp_state = crm_element_value(node_state, PCMK_XA_EXPECTED); long long when_member = unpack_node_member(node_state, scheduler); long long when_online = unpack_node_online(node_state); /* - PCMK__XA_JOIN ::= member|down|pending|banned - PCMK_XA_EXPECTED ::= member|down @COMPAT with entries recorded for DCs < 2.1.7 - PCMK__XA_IN_CCM ::= true|false - PCMK_XA_CRMD ::= online|offline Since crm_feature_set 3.18.0 (pacemaker-2.1.7): - PCMK__XA_IN_CCM ::= |0 Since when node has been a cluster member. A value 0 of means the node is not a cluster member. - PCMK_XA_CRMD ::= |0 Since when peer has been online in CPG. A value 0 means the peer is offline in CPG. */ crm_trace("Node %s member@%lld online@%lld join=%s expected=%s%s", pcmk__node_name(this_node), when_member, when_online, pcmk__s(join, ""), pcmk__s(exp_state, ""), (termination_requested? " (termination requested)" : "")); if (this_node->details->shutdown) { crm_debug("%s is shutting down", pcmk__node_name(this_node)); /* Slightly different criteria since we can't shut down a dead peer */ return (when_online > 0); } if (when_member < 0) { pe_fence_node(scheduler, this_node, "peer has not been seen by the cluster", FALSE); return false; } if (pcmk__str_eq(join, CRMD_JOINSTATE_NACK, pcmk__str_none)) { pe_fence_node(scheduler, this_node, "peer failed Pacemaker membership criteria", FALSE); } else if (termination_requested) { if ((when_member <= 0) && (when_online <= 0) && pcmk__str_eq(join, CRMD_JOINSTATE_DOWN, pcmk__str_none)) { crm_info("%s was fenced as requested", pcmk__node_name(this_node)); return false; } pe_fence_node(scheduler, this_node, "fencing was requested", false); } else if (pcmk__str_eq(exp_state, CRMD_JOINSTATE_DOWN, pcmk__str_null_matches)) { if (pending_too_long(scheduler, this_node, when_member, when_online)) { pe_fence_node(scheduler, this_node, "peer pending timed out on joining the process group", FALSE); } else if ((when_member > 0) || (when_online > 0)) { crm_info("- %s is not ready to run resources", pcmk__node_name(this_node)); pcmk__set_node_flags(this_node, pcmk__node_standby); this_node->details->pending = TRUE; } else { crm_trace("%s is down or still coming up", pcmk__node_name(this_node)); } } else if (when_member <= 0) { // Consider PCMK_OPT_PRIORITY_FENCING_DELAY for lost nodes pe_fence_node(scheduler, this_node, "peer is no longer part of the cluster", TRUE); } else if (when_online <= 0) { pe_fence_node(scheduler, this_node, "peer process is no longer available", FALSE); /* Everything is running at this point, now check join state */ } else if (pcmk__str_eq(join, CRMD_JOINSTATE_MEMBER, pcmk__str_none)) { crm_info("%s is active", pcmk__node_name(this_node)); } else if (pcmk__str_any_of(join, CRMD_JOINSTATE_PENDING, CRMD_JOINSTATE_DOWN, NULL)) { crm_info("%s is not ready to run resources", pcmk__node_name(this_node)); pcmk__set_node_flags(this_node, pcmk__node_standby); this_node->details->pending = TRUE; } else { pe_fence_node(scheduler, this_node, "peer was in an unknown state", FALSE); } return (when_member > 0); } static void determine_remote_online_status(pcmk_scheduler_t *scheduler, pcmk_node_t *this_node) { pcmk_resource_t *rsc = this_node->priv->remote; pcmk_resource_t *launcher = NULL; pcmk_node_t *host = NULL; const char *node_type = "Remote"; if (rsc == NULL) { /* This is a leftover node state entry for a former Pacemaker Remote * node whose connection resource was removed. Consider it offline. */ crm_trace("Pacemaker Remote node %s is considered OFFLINE because " "its connection resource has been removed from the CIB", this_node->priv->id); this_node->details->online = FALSE; return; } launcher = rsc->priv->launcher; if (launcher != NULL) { node_type = "Guest"; if (pcmk__list_of_1(rsc->priv->active_nodes)) { host = rsc->priv->active_nodes->data; } } /* If the resource is currently started, mark it online. */ if (rsc->priv->orig_role == pcmk_role_started) { this_node->details->online = TRUE; } /* consider this node shutting down if transitioning start->stop */ if ((rsc->priv->orig_role == pcmk_role_started) && (rsc->priv->next_role == pcmk_role_stopped)) { crm_trace("%s node %s shutting down because connection resource is stopping", node_type, this_node->priv->id); this_node->details->shutdown = TRUE; } /* Now check all the failure conditions. */ if ((launcher != NULL) && pcmk_is_set(launcher->flags, pcmk__rsc_failed)) { crm_trace("Guest node %s UNCLEAN because guest resource failed", this_node->priv->id); this_node->details->online = FALSE; pcmk__set_node_flags(this_node, pcmk__node_remote_reset); } else if (pcmk_is_set(rsc->flags, pcmk__rsc_failed)) { crm_trace("%s node %s OFFLINE because connection resource failed", node_type, this_node->priv->id); this_node->details->online = FALSE; } else if ((rsc->priv->orig_role == pcmk_role_stopped) || ((launcher != NULL) && (launcher->priv->orig_role == pcmk_role_stopped))) { crm_trace("%s node %s OFFLINE because its resource is stopped", node_type, this_node->priv->id); this_node->details->online = FALSE; pcmk__clear_node_flags(this_node, pcmk__node_remote_reset); } else if (host && (host->details->online == FALSE) && host->details->unclean) { crm_trace("Guest node %s UNCLEAN because host is unclean", this_node->priv->id); this_node->details->online = FALSE; pcmk__set_node_flags(this_node, pcmk__node_remote_reset); } else { crm_trace("%s node %s is %s", node_type, this_node->priv->id, this_node->details->online? "ONLINE" : "OFFLINE"); } } static void determine_online_status(const xmlNode *node_state, pcmk_node_t *this_node, pcmk_scheduler_t *scheduler) { gboolean online = FALSE; const char *exp_state = crm_element_value(node_state, PCMK_XA_EXPECTED); CRM_CHECK(this_node != NULL, return); this_node->details->shutdown = FALSE; if (pe__shutdown_requested(this_node)) { this_node->details->shutdown = TRUE; } else if (pcmk__str_eq(exp_state, CRMD_JOINSTATE_MEMBER, pcmk__str_casei)) { pcmk__set_node_flags(this_node, pcmk__node_expected_up); } if (this_node->priv->variant == pcmk__node_variant_ping) { this_node->details->unclean = FALSE; online = FALSE; /* As far as resource management is concerned, * the node is safely offline. * Anyone caught abusing this logic will be shot */ } else if (!pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { online = determine_online_status_no_fencing(scheduler, node_state, this_node); } else { online = determine_online_status_fencing(scheduler, node_state, this_node); } if (online) { this_node->details->online = TRUE; } else { /* remove node from contention */ this_node->assign->score = -PCMK_SCORE_INFINITY; } if (online && this_node->details->shutdown) { /* don't run resources here */ this_node->assign->score = -PCMK_SCORE_INFINITY; } if (this_node->priv->variant == pcmk__node_variant_ping) { crm_info("%s is not a Pacemaker node", pcmk__node_name(this_node)); } else if (this_node->details->unclean) { pcmk__sched_warn(scheduler, "%s is unclean", pcmk__node_name(this_node)); } else if (!this_node->details->online) { crm_trace("%s is offline", pcmk__node_name(this_node)); } else if (this_node->details->shutdown) { crm_info("%s is shutting down", pcmk__node_name(this_node)); } else if (this_node->details->pending) { crm_info("%s is pending", pcmk__node_name(this_node)); } else if (pcmk_is_set(this_node->priv->flags, pcmk__node_standby)) { crm_info("%s is in standby", pcmk__node_name(this_node)); } else if (this_node->details->maintenance) { crm_info("%s is in maintenance", pcmk__node_name(this_node)); } else { crm_info("%s is online", pcmk__node_name(this_node)); } } /*! * \internal * \brief Find the end of a resource's name, excluding any clone suffix * * \param[in] id Resource ID to check * * \return Pointer to last character of resource's base name */ const char * pe_base_name_end(const char *id) { if (!pcmk__str_empty(id)) { const char *end = id + strlen(id) - 1; for (const char *s = end; s > id; --s) { switch (*s) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': break; case ':': return (s == end)? s : (s - 1); default: return end; } } return end; } return NULL; } /*! * \internal * \brief Get a resource name excluding any clone suffix * * \param[in] last_rsc_id Resource ID to check * * \return Pointer to newly allocated string with resource's base name * \note It is the caller's responsibility to free() the result. * This asserts on error, so callers can assume result is not NULL. */ char * clone_strip(const char *last_rsc_id) { const char *end = pe_base_name_end(last_rsc_id); char *basename = NULL; CRM_ASSERT(end); basename = strndup(last_rsc_id, end - last_rsc_id + 1); CRM_ASSERT(basename); return basename; } /*! * \internal * \brief Get the name of the first instance of a cloned resource * * \param[in] last_rsc_id Resource ID to check * * \return Pointer to newly allocated string with resource's base name plus :0 * \note It is the caller's responsibility to free() the result. * This asserts on error, so callers can assume result is not NULL. */ char * clone_zero(const char *last_rsc_id) { const char *end = pe_base_name_end(last_rsc_id); size_t base_name_len = end - last_rsc_id + 1; char *zero = NULL; CRM_ASSERT(end); zero = pcmk__assert_alloc(base_name_len + 3, sizeof(char)); memcpy(zero, last_rsc_id, base_name_len); zero[base_name_len] = ':'; zero[base_name_len + 1] = '0'; return zero; } static pcmk_resource_t * create_fake_resource(const char *rsc_id, const xmlNode *rsc_entry, pcmk_scheduler_t *scheduler) { pcmk_resource_t *rsc = NULL; xmlNode *xml_rsc = pcmk__xe_create(NULL, PCMK_XE_PRIMITIVE); pcmk__xe_copy_attrs(xml_rsc, rsc_entry, pcmk__xaf_none); crm_xml_add(xml_rsc, PCMK_XA_ID, rsc_id); crm_log_xml_debug(xml_rsc, "Orphan resource"); if (pe__unpack_resource(xml_rsc, &rsc, NULL, scheduler) != pcmk_rc_ok) { return NULL; } if (xml_contains_remote_node(xml_rsc)) { pcmk_node_t *node; crm_debug("Detected orphaned remote node %s", rsc_id); node = pcmk_find_node(scheduler, rsc_id); if (node == NULL) { node = pe_create_node(rsc_id, rsc_id, PCMK_VALUE_REMOTE, NULL, scheduler); } link_rsc2remotenode(scheduler, rsc); if (node) { crm_trace("Setting node %s as shutting down due to orphaned connection resource", rsc_id); node->details->shutdown = TRUE; } } if (crm_element_value(rsc_entry, PCMK__META_CONTAINER)) { // This removed resource needs to be mapped to a launcher crm_trace("Launched resource %s was removed from the configuration", rsc_id); pcmk__set_rsc_flags(rsc, pcmk__rsc_removed_launched); } pcmk__set_rsc_flags(rsc, pcmk__rsc_removed); - scheduler->resources = g_list_append(scheduler->resources, rsc); + scheduler->priv->resources = g_list_append(scheduler->priv->resources, rsc); return rsc; } /*! * \internal * \brief Create orphan instance for anonymous clone resource history * * \param[in,out] parent Clone resource that orphan will be added to * \param[in] rsc_id Orphan's resource ID * \param[in] node Where orphan is active (for logging only) * \param[in,out] scheduler Scheduler data * * \return Newly added orphaned instance of \p parent */ static pcmk_resource_t * create_anonymous_orphan(pcmk_resource_t *parent, const char *rsc_id, const pcmk_node_t *node, pcmk_scheduler_t *scheduler) { pcmk_resource_t *top = pe__create_clone_child(parent, scheduler); pcmk_resource_t *orphan = NULL; // find_rsc() because we might be a cloned group orphan = top->priv->fns->find_rsc(top, rsc_id, NULL, pcmk_rsc_match_clone_only); pcmk__rsc_debug(parent, "Created orphan %s for %s: %s on %s", top->id, parent->id, rsc_id, pcmk__node_name(node)); return orphan; } /*! * \internal * \brief Check a node for an instance of an anonymous clone * * Return a child instance of the specified anonymous clone, in order of * preference: (1) the instance running on the specified node, if any; * (2) an inactive instance (i.e. within the total of \c PCMK_META_CLONE_MAX * instances); (3) a newly created orphan (that is, \c PCMK_META_CLONE_MAX * instances are already active). * * \param[in,out] scheduler Scheduler data * \param[in] node Node on which to check for instance * \param[in,out] parent Clone to check * \param[in] rsc_id Name of cloned resource in history (no instance) */ static pcmk_resource_t * find_anonymous_clone(pcmk_scheduler_t *scheduler, const pcmk_node_t *node, pcmk_resource_t *parent, const char *rsc_id) { GList *rIter = NULL; pcmk_resource_t *rsc = NULL; pcmk_resource_t *inactive_instance = NULL; gboolean skip_inactive = FALSE; CRM_ASSERT(pcmk__is_anonymous_clone(parent)); // Check for active (or partially active, for cloned groups) instance pcmk__rsc_trace(parent, "Looking for %s on %s in %s", rsc_id, pcmk__node_name(node), parent->id); for (rIter = parent->priv->children; (rIter != NULL) && (rsc == NULL); rIter = rIter->next) { GList *locations = NULL; pcmk_resource_t *child = rIter->data; /* Check whether this instance is already known to be active or pending * anywhere, at this stage of unpacking. Because this function is called * for a resource before the resource's individual operation history * entries are unpacked, locations will generally not contain the * desired node. * * However, there are three exceptions: * (1) when child is a cloned group and we have already unpacked the * history of another member of the group on the same node; * (2) when we've already unpacked the history of another numbered * instance on the same node (which can happen if * PCMK_META_GLOBALLY_UNIQUE was flipped from true to false); and * (3) when we re-run calculations on the same scheduler data as part of * a simulation. */ child->priv->fns->location(child, &locations, 2); if (locations) { /* We should never associate the same numbered anonymous clone * instance with multiple nodes, and clone instances can't migrate, * so there must be only one location, regardless of history. */ CRM_LOG_ASSERT(locations->next == NULL); if (pcmk__same_node((pcmk_node_t *) locations->data, node)) { /* This child instance is active on the requested node, so check * for a corresponding configured resource. We use find_rsc() * instead of child because child may be a cloned group, and we * need the particular member corresponding to rsc_id. * * If the history entry is orphaned, rsc will be NULL. */ rsc = parent->priv->fns->find_rsc(child, rsc_id, NULL, pcmk_rsc_match_clone_only); if (rsc) { /* If there are multiple instance history entries for an * anonymous clone in a single node's history (which can * happen if PCMK_META_GLOBALLY_UNIQUE is switched from true * to false), we want to consider the instances beyond the * first as orphans, even if there are inactive instance * numbers available. */ if (rsc->priv->active_nodes != NULL) { crm_notice("Active (now-)anonymous clone %s has " "multiple (orphan) instance histories on %s", parent->id, pcmk__node_name(node)); skip_inactive = TRUE; rsc = NULL; } else { pcmk__rsc_trace(parent, "Resource %s, active", rsc->id); } } } g_list_free(locations); } else { pcmk__rsc_trace(parent, "Resource %s, skip inactive", child->id); if (!skip_inactive && !inactive_instance && !pcmk_is_set(child->flags, pcmk__rsc_blocked)) { // Remember one inactive instance in case we don't find active inactive_instance = parent->priv->fns->find_rsc(child, rsc_id, NULL, pcmk_rsc_match_clone_only); /* ... but don't use it if it was already associated with a * pending action on another node */ if (inactive_instance != NULL) { const pcmk_node_t *pending_node = NULL; pending_node = inactive_instance->priv->pending_node; if ((pending_node != NULL) && !pcmk__same_node(pending_node, node)) { inactive_instance = NULL; } } } } } if ((rsc == NULL) && !skip_inactive && (inactive_instance != NULL)) { pcmk__rsc_trace(parent, "Resource %s, empty slot", inactive_instance->id); rsc = inactive_instance; } /* If the resource has PCMK_META_REQUIRES set to PCMK_VALUE_QUORUM or * PCMK_VALUE_NOTHING, and we don't have a clone instance for every node, we * don't want to consume a valid instance number for unclean nodes. Such * instances may appear to be active according to the history, but should be * considered inactive, so we can start an instance elsewhere. Treat such * instances as orphans. * * An exception is instances running on guest nodes -- since guest node * "fencing" is actually just a resource stop, requires shouldn't apply. * * @TODO Ideally, we'd use an inactive instance number if it is not needed * for any clean instances. However, we don't know that at this point. */ if ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk__rsc_needs_fencing) && (!node->details->online || node->details->unclean) && !pcmk__is_guest_or_bundle_node(node) && !pe__is_universal_clone(parent, scheduler)) { rsc = NULL; } if (rsc == NULL) { rsc = create_anonymous_orphan(parent, rsc_id, node, scheduler); pcmk__rsc_trace(parent, "Resource %s, orphan", rsc->id); } return rsc; } static pcmk_resource_t * unpack_find_resource(pcmk_scheduler_t *scheduler, const pcmk_node_t *node, const char *rsc_id) { pcmk_resource_t *rsc = NULL; pcmk_resource_t *parent = NULL; crm_trace("looking for %s", rsc_id); - rsc = pe_find_resource(scheduler->resources, rsc_id); + rsc = pe_find_resource(scheduler->priv->resources, rsc_id); if (rsc == NULL) { /* If we didn't find the resource by its name in the operation history, * check it again as a clone instance. Even when PCMK_META_CLONE_MAX=0, * we create a single :0 orphan to match against here. */ char *clone0_id = clone_zero(rsc_id); - pcmk_resource_t *clone0 = pe_find_resource(scheduler->resources, + pcmk_resource_t *clone0 = pe_find_resource(scheduler->priv->resources, clone0_id); if (clone0 && !pcmk_is_set(clone0->flags, pcmk__rsc_unique)) { rsc = clone0; parent = uber_parent(clone0); crm_trace("%s found as %s (%s)", rsc_id, clone0_id, parent->id); } else { crm_trace("%s is not known as %s either (orphan)", rsc_id, clone0_id); } free(clone0_id); } else if (rsc->priv->variant > pcmk__rsc_variant_primitive) { crm_trace("Resource history for %s is orphaned " "because it is no longer primitive", rsc_id); return NULL; } else { parent = uber_parent(rsc); } if (pcmk__is_anonymous_clone(parent)) { if (pcmk__is_bundled(parent)) { rsc = pe__find_bundle_replica(parent->priv->parent, node); } else { char *base = clone_strip(rsc_id); rsc = find_anonymous_clone(scheduler, node, parent, base); free(base); CRM_ASSERT(rsc != NULL); } } if (rsc && !pcmk__str_eq(rsc_id, rsc->id, pcmk__str_none) && !pcmk__str_eq(rsc_id, rsc->priv->history_id, pcmk__str_none)) { pcmk__str_update(&(rsc->priv->history_id), rsc_id); pcmk__rsc_debug(rsc, "Internally renamed %s on %s to %s%s", rsc_id, pcmk__node_name(node), rsc->id, pcmk_is_set(rsc->flags, pcmk__rsc_removed)? " (ORPHAN)" : ""); } return rsc; } static pcmk_resource_t * process_orphan_resource(const xmlNode *rsc_entry, const pcmk_node_t *node, pcmk_scheduler_t *scheduler) { pcmk_resource_t *rsc = NULL; const char *rsc_id = crm_element_value(rsc_entry, PCMK_XA_ID); crm_debug("Detected orphan resource %s on %s", rsc_id, pcmk__node_name(node)); rsc = create_fake_resource(rsc_id, rsc_entry, scheduler); if (rsc == NULL) { return NULL; } if (!pcmk_is_set(scheduler->flags, pcmk__sched_stop_removed_resources)) { pcmk__clear_rsc_flags(rsc, pcmk__rsc_managed); } else { CRM_CHECK(rsc != NULL, return NULL); pcmk__rsc_trace(rsc, "Added orphan %s", rsc->id); resource_location(rsc, NULL, -PCMK_SCORE_INFINITY, "__orphan_do_not_run__", scheduler); } return rsc; } static void process_rsc_state(pcmk_resource_t *rsc, pcmk_node_t *node, enum pcmk__on_fail on_fail) { pcmk_node_t *tmpnode = NULL; char *reason = NULL; enum pcmk__on_fail save_on_fail = pcmk__on_fail_ignore; pcmk_scheduler_t *scheduler = NULL; bool known_active = false; CRM_ASSERT(rsc); scheduler = rsc->priv->scheduler; known_active = (rsc->priv->orig_role > pcmk_role_stopped); pcmk__rsc_trace(rsc, "Resource %s is %s on %s: on_fail=%s", rsc->id, pcmk_role_text(rsc->priv->orig_role), pcmk__node_name(node), pcmk__on_fail_text(on_fail)); /* process current state */ if (rsc->priv->orig_role != pcmk_role_unknown) { pcmk_resource_t *iter = rsc; while (iter) { if (g_hash_table_lookup(iter->priv->probed_nodes, node->priv->id) == NULL) { pcmk_node_t *n = pe__copy_node(node); pcmk__rsc_trace(rsc, "%s (%s in history) known on %s", rsc->id, pcmk__s(rsc->priv->history_id, "the same"), pcmk__node_name(n)); g_hash_table_insert(iter->priv->probed_nodes, (gpointer) n->priv->id, n); } if (pcmk_is_set(iter->flags, pcmk__rsc_unique)) { break; } iter = iter->priv->parent; } } /* If a managed resource is believed to be running, but node is down ... */ if (known_active && !node->details->online && !node->details->maintenance && pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { gboolean should_fence = FALSE; /* If this is a guest node, fence it (regardless of whether fencing is * enabled, because guest node fencing is done by recovery of the * container resource rather than by the fencer). Mark the resource * we're processing as failed. When the guest comes back up, its * operation history in the CIB will be cleared, freeing the affected * resource to run again once we are sure we know its state. */ if (pcmk__is_guest_or_bundle_node(node)) { pcmk__set_rsc_flags(rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); should_fence = TRUE; } else if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { if (pcmk__is_remote_node(node) && (node->priv->remote != NULL) && !pcmk_is_set(node->priv->remote->flags, pcmk__rsc_failed)) { /* Setting unseen means that fencing of the remote node will * occur only if the connection resource is not going to start * somewhere. This allows connection resources on a failed * cluster node to move to another node without requiring the * remote nodes to be fenced as well. */ pcmk__clear_node_flags(node, pcmk__node_seen); reason = crm_strdup_printf("%s is active there (fencing will be" " revoked if remote connection can " "be re-established elsewhere)", rsc->id); } should_fence = TRUE; } if (should_fence) { if (reason == NULL) { reason = crm_strdup_printf("%s is thought to be active there", rsc->id); } pe_fence_node(scheduler, node, reason, FALSE); } free(reason); } /* In order to calculate priority_fencing_delay correctly, save the failure information and pass it to native_add_running(). */ save_on_fail = on_fail; if (node->details->unclean) { /* No extra processing needed * Also allows resources to be started again after a node is shot */ on_fail = pcmk__on_fail_ignore; } switch (on_fail) { case pcmk__on_fail_ignore: /* nothing to do */ break; case pcmk__on_fail_demote: pcmk__set_rsc_flags(rsc, pcmk__rsc_failed); demote_action(rsc, node, FALSE); break; case pcmk__on_fail_fence_node: /* treat it as if it is still running * but also mark the node as unclean */ reason = crm_strdup_printf("%s failed there", rsc->id); pe_fence_node(scheduler, node, reason, FALSE); free(reason); break; case pcmk__on_fail_standby_node: pcmk__set_node_flags(node, pcmk__node_standby|pcmk__node_fail_standby); break; case pcmk__on_fail_block: /* is_managed == FALSE will prevent any * actions being sent for the resource */ pcmk__clear_rsc_flags(rsc, pcmk__rsc_managed); pcmk__set_rsc_flags(rsc, pcmk__rsc_blocked); break; case pcmk__on_fail_ban: /* make sure it comes up somewhere else * or not at all */ resource_location(rsc, node, -PCMK_SCORE_INFINITY, "__action_migration_auto__", scheduler); break; case pcmk__on_fail_stop: pe__set_next_role(rsc, pcmk_role_stopped, PCMK_META_ON_FAIL "=" PCMK_VALUE_STOP); break; case pcmk__on_fail_restart: if (known_active) { pcmk__set_rsc_flags(rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); stop_action(rsc, node, FALSE); } break; case pcmk__on_fail_restart_container: pcmk__set_rsc_flags(rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); if ((rsc->priv->launcher != NULL) && pcmk__is_bundled(rsc)) { /* A bundle's remote connection can run on a different node than * the bundle's container. We don't necessarily know where the * container is running yet, so remember it and add a stop * action for it later. */ scheduler->stop_needed = g_list_prepend(scheduler->stop_needed, rsc->priv->launcher); } else if (rsc->priv->launcher != NULL) { stop_action(rsc->priv->launcher, node, FALSE); } else if (known_active) { stop_action(rsc, node, FALSE); } break; case pcmk__on_fail_reset_remote: pcmk__set_rsc_flags(rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { tmpnode = NULL; if (pcmk_is_set(rsc->flags, pcmk__rsc_is_remote_connection)) { tmpnode = pcmk_find_node(scheduler, rsc->id); } if (pcmk__is_remote_node(tmpnode) && !pcmk_is_set(tmpnode->priv->flags, pcmk__node_remote_fenced)) { /* The remote connection resource failed in a way that * should result in fencing the remote node. */ pe_fence_node(scheduler, tmpnode, "remote connection is unrecoverable", FALSE); } } /* require the stop action regardless if fencing is occurring or not. */ if (known_active) { stop_action(rsc, node, FALSE); } /* if reconnect delay is in use, prevent the connection from exiting the * "STOPPED" role until the failure is cleared by the delay timeout. */ if (rsc->priv->remote_reconnect_ms > 0U) { pe__set_next_role(rsc, pcmk_role_stopped, "remote reset"); } break; } /* Ensure a remote connection failure forces an unclean Pacemaker Remote * node to be fenced. By marking the node as seen, the failure will result * in a fencing operation regardless if we're going to attempt to reconnect * in this transition. */ if (pcmk_all_flags_set(rsc->flags, pcmk__rsc_failed|pcmk__rsc_is_remote_connection)) { tmpnode = pcmk_find_node(scheduler, rsc->id); if (tmpnode && tmpnode->details->unclean) { pcmk__set_node_flags(tmpnode, pcmk__node_seen); } } if (known_active) { if (pcmk_is_set(rsc->flags, pcmk__rsc_removed)) { if (pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { crm_notice("Removed resource %s is active on %s and will be " "stopped when possible", rsc->id, pcmk__node_name(node)); } else { crm_notice("Removed resource %s must be stopped manually on %s " "because " PCMK_OPT_STOP_ORPHAN_RESOURCES " is set to false", rsc->id, pcmk__node_name(node)); } } native_add_running(rsc, node, scheduler, (save_on_fail != pcmk__on_fail_ignore)); switch (on_fail) { case pcmk__on_fail_ignore: break; case pcmk__on_fail_demote: case pcmk__on_fail_block: pcmk__set_rsc_flags(rsc, pcmk__rsc_failed); break; default: pcmk__set_rsc_flags(rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); break; } } else if ((rsc->priv->history_id != NULL) && (strchr(rsc->priv->history_id, ':') != NULL)) { /* Only do this for older status sections that included instance numbers * Otherwise stopped instances will appear as orphans */ pcmk__rsc_trace(rsc, "Clearing history ID %s for %s (stopped)", rsc->priv->history_id, rsc->id); free(rsc->priv->history_id); rsc->priv->history_id = NULL; } else { GList *possible_matches = pe__resource_actions(rsc, node, PCMK_ACTION_STOP, FALSE); GList *gIter = possible_matches; for (; gIter != NULL; gIter = gIter->next) { pcmk_action_t *stop = (pcmk_action_t *) gIter->data; pcmk__set_action_flags(stop, pcmk__action_optional); } g_list_free(possible_matches); } /* A successful stop after migrate_to on the migration source doesn't make * the partially migrated resource stopped on the migration target. */ if ((rsc->priv->orig_role == pcmk_role_stopped) && (rsc->priv->active_nodes != NULL) && (rsc->priv->partial_migration_target != NULL) && pcmk__same_node(rsc->priv->partial_migration_source, node)) { rsc->priv->orig_role = pcmk_role_started; } } /* create active recurring operations as optional */ static void process_recurring(pcmk_node_t *node, pcmk_resource_t *rsc, int start_index, int stop_index, GList *sorted_op_list, pcmk_scheduler_t *scheduler) { int counter = -1; const char *task = NULL; const char *status = NULL; GList *gIter = sorted_op_list; CRM_ASSERT(rsc); pcmk__rsc_trace(rsc, "%s: Start index %d, stop index = %d", rsc->id, start_index, stop_index); for (; gIter != NULL; gIter = gIter->next) { xmlNode *rsc_op = (xmlNode *) gIter->data; guint interval_ms = 0; char *key = NULL; const char *id = pcmk__xe_id(rsc_op); counter++; if (node->details->online == FALSE) { pcmk__rsc_trace(rsc, "Skipping %s on %s: node is offline", rsc->id, pcmk__node_name(node)); break; /* Need to check if there's a monitor for role="Stopped" */ } else if (start_index < stop_index && counter <= stop_index) { pcmk__rsc_trace(rsc, "Skipping %s on %s: resource is not active", id, pcmk__node_name(node)); continue; } else if (counter < start_index) { pcmk__rsc_trace(rsc, "Skipping %s on %s: old %d", id, pcmk__node_name(node), counter); continue; } crm_element_value_ms(rsc_op, PCMK_META_INTERVAL, &interval_ms); if (interval_ms == 0) { pcmk__rsc_trace(rsc, "Skipping %s on %s: non-recurring", id, pcmk__node_name(node)); continue; } status = crm_element_value(rsc_op, PCMK__XA_OP_STATUS); if (pcmk__str_eq(status, "-1", pcmk__str_casei)) { pcmk__rsc_trace(rsc, "Skipping %s on %s: status", id, pcmk__node_name(node)); continue; } task = crm_element_value(rsc_op, PCMK_XA_OPERATION); /* create the action */ key = pcmk__op_key(rsc->id, task, interval_ms); pcmk__rsc_trace(rsc, "Creating %s on %s", key, pcmk__node_name(node)); custom_action(rsc, key, task, node, TRUE, scheduler); } } void calculate_active_ops(const GList *sorted_op_list, int *start_index, int *stop_index) { int counter = -1; int implied_monitor_start = -1; int implied_clone_start = -1; const char *task = NULL; const char *status = NULL; *stop_index = -1; *start_index = -1; for (const GList *iter = sorted_op_list; iter != NULL; iter = iter->next) { const xmlNode *rsc_op = (const xmlNode *) iter->data; counter++; task = crm_element_value(rsc_op, PCMK_XA_OPERATION); status = crm_element_value(rsc_op, PCMK__XA_OP_STATUS); if (pcmk__str_eq(task, PCMK_ACTION_STOP, pcmk__str_casei) && pcmk__str_eq(status, "0", pcmk__str_casei)) { *stop_index = counter; } else if (pcmk__strcase_any_of(task, PCMK_ACTION_START, PCMK_ACTION_MIGRATE_FROM, NULL)) { *start_index = counter; } else if ((implied_monitor_start <= *stop_index) && pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei)) { const char *rc = crm_element_value(rsc_op, PCMK__XA_RC_CODE); if (pcmk__strcase_any_of(rc, "0", "8", NULL)) { implied_monitor_start = counter; } } else if (pcmk__strcase_any_of(task, PCMK_ACTION_PROMOTE, PCMK_ACTION_DEMOTE, NULL)) { implied_clone_start = counter; } } if (*start_index == -1) { if (implied_clone_start != -1) { *start_index = implied_clone_start; } else if (implied_monitor_start != -1) { *start_index = implied_monitor_start; } } } // If resource history entry has shutdown lock, remember lock node and time static void unpack_shutdown_lock(const xmlNode *rsc_entry, pcmk_resource_t *rsc, const pcmk_node_t *node, pcmk_scheduler_t *scheduler) { time_t lock_time = 0; // When lock started (i.e. node shutdown time) if ((crm_element_value_epoch(rsc_entry, PCMK_OPT_SHUTDOWN_LOCK, &lock_time) == pcmk_ok) && (lock_time != 0)) { if ((scheduler->shutdown_lock > 0) && (get_effective_time(scheduler) > (lock_time + scheduler->shutdown_lock))) { pcmk__rsc_info(rsc, "Shutdown lock for %s on %s expired", rsc->id, pcmk__node_name(node)); pe__clear_resource_history(rsc, node); } else { rsc->priv->lock_node = node; rsc->priv->lock_time = lock_time; } } } /*! * \internal * \brief Unpack one \c PCMK__XE_LRM_RESOURCE entry from a node's CIB status * * \param[in,out] node Node whose status is being unpacked * \param[in] rsc_entry \c PCMK__XE_LRM_RESOURCE XML being unpacked * \param[in,out] scheduler Scheduler data * * \return Resource corresponding to the entry, or NULL if no operation history */ static pcmk_resource_t * unpack_lrm_resource(pcmk_node_t *node, const xmlNode *lrm_resource, pcmk_scheduler_t *scheduler) { GList *gIter = NULL; int stop_index = -1; int start_index = -1; enum rsc_role_e req_role = pcmk_role_unknown; const char *rsc_id = pcmk__xe_id(lrm_resource); pcmk_resource_t *rsc = NULL; GList *op_list = NULL; GList *sorted_op_list = NULL; xmlNode *rsc_op = NULL; xmlNode *last_failure = NULL; enum pcmk__on_fail on_fail = pcmk__on_fail_ignore; enum rsc_role_e saved_role = pcmk_role_unknown; if (rsc_id == NULL) { pcmk__config_err("Ignoring invalid " PCMK__XE_LRM_RESOURCE " entry: No " PCMK_XA_ID); crm_log_xml_info(lrm_resource, "missing-id"); return NULL; } crm_trace("Unpacking " PCMK__XE_LRM_RESOURCE " for %s on %s", rsc_id, pcmk__node_name(node)); /* Build a list of individual PCMK__XE_LRM_RSC_OP entries, so we can sort * them */ for (rsc_op = pcmk__xe_first_child(lrm_resource, PCMK__XE_LRM_RSC_OP, NULL, NULL); rsc_op != NULL; rsc_op = pcmk__xe_next_same(rsc_op)) { op_list = g_list_prepend(op_list, rsc_op); } if (!pcmk_is_set(scheduler->flags, pcmk__sched_shutdown_lock)) { if (op_list == NULL) { // If there are no operations, there is nothing to do return NULL; } } /* find the resource */ rsc = unpack_find_resource(scheduler, node, rsc_id); if (rsc == NULL) { if (op_list == NULL) { // If there are no operations, there is nothing to do return NULL; } else { rsc = process_orphan_resource(lrm_resource, node, scheduler); } } CRM_ASSERT(rsc != NULL); // Check whether the resource is "shutdown-locked" to this node if (pcmk_is_set(scheduler->flags, pcmk__sched_shutdown_lock)) { unpack_shutdown_lock(lrm_resource, rsc, node, scheduler); } /* process operations */ saved_role = rsc->priv->orig_role; rsc->priv->orig_role = pcmk_role_unknown; sorted_op_list = g_list_sort(op_list, sort_op_by_callid); for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) { xmlNode *rsc_op = (xmlNode *) gIter->data; unpack_rsc_op(rsc, node, rsc_op, &last_failure, &on_fail); } /* create active recurring operations as optional */ calculate_active_ops(sorted_op_list, &start_index, &stop_index); process_recurring(node, rsc, start_index, stop_index, sorted_op_list, scheduler); /* no need to free the contents */ g_list_free(sorted_op_list); process_rsc_state(rsc, node, on_fail); if (get_target_role(rsc, &req_role)) { if ((rsc->priv->next_role == pcmk_role_unknown) || (req_role < rsc->priv->next_role)) { pe__set_next_role(rsc, req_role, PCMK_META_TARGET_ROLE); } else if (req_role > rsc->priv->next_role) { pcmk__rsc_info(rsc, "%s: Not overwriting calculated next role %s" " with requested next role %s", rsc->id, pcmk_role_text(rsc->priv->next_role), pcmk_role_text(req_role)); } } if (saved_role > rsc->priv->orig_role) { rsc->priv->orig_role = saved_role; } return rsc; } static void handle_removed_launched_resources(const xmlNode *lrm_rsc_list, pcmk_scheduler_t *scheduler) { for (const xmlNode *rsc_entry = pcmk__xe_first_child(lrm_rsc_list, NULL, NULL, NULL); rsc_entry != NULL; rsc_entry = pcmk__xe_next(rsc_entry)) { pcmk_resource_t *rsc; pcmk_resource_t *launcher = NULL; const char *rsc_id; const char *launcher_id = NULL; if (!pcmk__xe_is(rsc_entry, PCMK__XE_LRM_RESOURCE)) { continue; } launcher_id = crm_element_value(rsc_entry, PCMK__META_CONTAINER); rsc_id = crm_element_value(rsc_entry, PCMK_XA_ID); if ((launcher_id == NULL) || (rsc_id == NULL)) { continue; } - launcher = pe_find_resource(scheduler->resources, launcher_id); + launcher = pe_find_resource(scheduler->priv->resources, launcher_id); if (launcher == NULL) { continue; } - rsc = pe_find_resource(scheduler->resources, rsc_id); + rsc = pe_find_resource(scheduler->priv->resources, rsc_id); if ((rsc == NULL) || (rsc->priv->launcher != NULL) || !pcmk_is_set(rsc->flags, pcmk__rsc_removed_launched)) { continue; } pcmk__rsc_trace(rsc, "Mapped launcher of removed resource %s to %s", rsc->id, launcher_id); rsc->priv->launcher = launcher; launcher->priv->launched = g_list_append(launcher->priv->launched, rsc); } } /*! * \internal * \brief Unpack one node's lrm status section * * \param[in,out] node Node whose status is being unpacked * \param[in] xml CIB node state XML * \param[in,out] scheduler Scheduler data */ static void unpack_node_lrm(pcmk_node_t *node, const xmlNode *xml, pcmk_scheduler_t *scheduler) { bool found_removed_launched_resource = false; // Drill down to PCMK__XE_LRM_RESOURCES section xml = pcmk__xe_first_child(xml, PCMK__XE_LRM, NULL, NULL); if (xml == NULL) { return; } xml = pcmk__xe_first_child(xml, PCMK__XE_LRM_RESOURCES, NULL, NULL); if (xml == NULL) { return; } // Unpack each PCMK__XE_LRM_RESOURCE entry for (const xmlNode *rsc_entry = pcmk__xe_first_child(xml, PCMK__XE_LRM_RESOURCE, NULL, NULL); rsc_entry != NULL; rsc_entry = pcmk__xe_next_same(rsc_entry)) { pcmk_resource_t *rsc = unpack_lrm_resource(node, rsc_entry, scheduler); if ((rsc != NULL) && pcmk_is_set(rsc->flags, pcmk__rsc_removed_launched)) { found_removed_launched_resource = true; } } /* Now that all resource state has been unpacked for this node, map any * removed launched resources to their launchers. */ if (found_removed_launched_resource) { handle_removed_launched_resources(xml, scheduler); } } static void set_active(pcmk_resource_t *rsc) { const pcmk_resource_t *top = pe__const_top_resource(rsc, false); if (top && pcmk_is_set(top->flags, pcmk__rsc_promotable)) { rsc->priv->orig_role = pcmk_role_unpromoted; } else { rsc->priv->orig_role = pcmk_role_started; } } static void set_node_score(gpointer key, gpointer value, gpointer user_data) { pcmk_node_t *node = value; int *score = user_data; node->assign->score = *score; } #define XPATH_NODE_STATE "/" PCMK_XE_CIB "/" PCMK_XE_STATUS \ "/" PCMK__XE_NODE_STATE #define SUB_XPATH_LRM_RESOURCE "/" PCMK__XE_LRM \ "/" PCMK__XE_LRM_RESOURCES \ "/" PCMK__XE_LRM_RESOURCE #define SUB_XPATH_LRM_RSC_OP "/" PCMK__XE_LRM_RSC_OP static xmlNode * find_lrm_op(const char *resource, const char *op, const char *node, const char *source, int target_rc, pcmk_scheduler_t *scheduler) { GString *xpath = NULL; xmlNode *xml = NULL; CRM_CHECK((resource != NULL) && (op != NULL) && (node != NULL), return NULL); xpath = g_string_sized_new(256); pcmk__g_strcat(xpath, XPATH_NODE_STATE "[@" PCMK_XA_UNAME "='", node, "']" SUB_XPATH_LRM_RESOURCE "[@" PCMK_XA_ID "='", resource, "']" SUB_XPATH_LRM_RSC_OP "[@" PCMK_XA_OPERATION "='", op, "'", NULL); /* Need to check against transition_magic too? */ if ((source != NULL) && (strcmp(op, PCMK_ACTION_MIGRATE_TO) == 0)) { pcmk__g_strcat(xpath, " and @" PCMK__META_MIGRATE_TARGET "='", source, "']", NULL); } else if ((source != NULL) && (strcmp(op, PCMK_ACTION_MIGRATE_FROM) == 0)) { pcmk__g_strcat(xpath, " and @" PCMK__META_MIGRATE_SOURCE "='", source, "']", NULL); } else { g_string_append_c(xpath, ']'); } xml = get_xpath_object((const char *) xpath->str, scheduler->input, LOG_DEBUG); g_string_free(xpath, TRUE); if (xml && target_rc >= 0) { int rc = PCMK_OCF_UNKNOWN_ERROR; int status = PCMK_EXEC_ERROR; crm_element_value_int(xml, PCMK__XA_RC_CODE, &rc); crm_element_value_int(xml, PCMK__XA_OP_STATUS, &status); if ((rc != target_rc) || (status != PCMK_EXEC_DONE)) { return NULL; } } return xml; } static xmlNode * find_lrm_resource(const char *rsc_id, const char *node_name, pcmk_scheduler_t *scheduler) { GString *xpath = NULL; xmlNode *xml = NULL; CRM_CHECK((rsc_id != NULL) && (node_name != NULL), return NULL); xpath = g_string_sized_new(256); pcmk__g_strcat(xpath, XPATH_NODE_STATE "[@" PCMK_XA_UNAME "='", node_name, "']" SUB_XPATH_LRM_RESOURCE "[@" PCMK_XA_ID "='", rsc_id, "']", NULL); xml = get_xpath_object((const char *) xpath->str, scheduler->input, LOG_DEBUG); g_string_free(xpath, TRUE); return xml; } /*! * \internal * \brief Check whether a resource has no completed action history on a node * * \param[in,out] rsc Resource to check * \param[in] node_name Node to check * * \return true if \p rsc_id is unknown on \p node_name, otherwise false */ static bool unknown_on_node(pcmk_resource_t *rsc, const char *node_name) { bool result = false; xmlXPathObjectPtr search; char *xpath = NULL; xpath = crm_strdup_printf(XPATH_NODE_STATE "[@" PCMK_XA_UNAME "='%s']" SUB_XPATH_LRM_RESOURCE "[@" PCMK_XA_ID "='%s']" SUB_XPATH_LRM_RSC_OP "[@" PCMK__XA_RC_CODE "!='%d']", node_name, rsc->id, PCMK_OCF_UNKNOWN); search = xpath_search(rsc->priv->scheduler->input, xpath); result = (numXpathResults(search) == 0); freeXpathObject(search); free(xpath); return result; } /*! * \internal * \brief Check whether a probe/monitor indicating the resource was not running * on a node happened after some event * * \param[in] rsc_id Resource being checked * \param[in] node_name Node being checked * \param[in] xml_op Event that monitor is being compared to * \param[in,out] scheduler Scheduler data * * \return true if such a monitor happened after event, false otherwise */ static bool monitor_not_running_after(const char *rsc_id, const char *node_name, const xmlNode *xml_op, pcmk_scheduler_t *scheduler) { /* Any probe/monitor operation on the node indicating it was not running * there */ xmlNode *monitor = find_lrm_op(rsc_id, PCMK_ACTION_MONITOR, node_name, NULL, PCMK_OCF_NOT_RUNNING, scheduler); return (monitor != NULL) && (pe__is_newer_op(monitor, xml_op) > 0); } /*! * \internal * \brief Check whether any non-monitor operation on a node happened after some * event * * \param[in] rsc_id Resource being checked * \param[in] node_name Node being checked * \param[in] xml_op Event that non-monitor is being compared to * \param[in,out] scheduler Scheduler data * * \return true if such a operation happened after event, false otherwise */ static bool non_monitor_after(const char *rsc_id, const char *node_name, const xmlNode *xml_op, pcmk_scheduler_t *scheduler) { xmlNode *lrm_resource = NULL; lrm_resource = find_lrm_resource(rsc_id, node_name, scheduler); if (lrm_resource == NULL) { return false; } for (xmlNode *op = pcmk__xe_first_child(lrm_resource, PCMK__XE_LRM_RSC_OP, NULL, NULL); op != NULL; op = pcmk__xe_next_same(op)) { const char * task = NULL; if (op == xml_op) { continue; } task = crm_element_value(op, PCMK_XA_OPERATION); if (pcmk__str_any_of(task, PCMK_ACTION_START, PCMK_ACTION_STOP, PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM, NULL) && pe__is_newer_op(op, xml_op) > 0) { return true; } } return false; } /*! * \internal * \brief Check whether the resource has newer state on a node after a migration * attempt * * \param[in] rsc_id Resource being checked * \param[in] node_name Node being checked * \param[in] migrate_to Any migrate_to event that is being compared to * \param[in] migrate_from Any migrate_from event that is being compared to * \param[in,out] scheduler Scheduler data * * \return true if such a operation happened after event, false otherwise */ static bool newer_state_after_migrate(const char *rsc_id, const char *node_name, const xmlNode *migrate_to, const xmlNode *migrate_from, pcmk_scheduler_t *scheduler) { const xmlNode *xml_op = (migrate_from != NULL)? migrate_from : migrate_to; const char *source = crm_element_value(xml_op, PCMK__META_MIGRATE_SOURCE); /* It's preferred to compare to the migrate event on the same node if * existing, since call ids are more reliable. */ if ((xml_op != migrate_to) && (migrate_to != NULL) && pcmk__str_eq(node_name, source, pcmk__str_casei)) { xml_op = migrate_to; } /* If there's any newer non-monitor operation on the node, or any newer * probe/monitor operation on the node indicating it was not running there, * the migration events potentially no longer matter for the node. */ return non_monitor_after(rsc_id, node_name, xml_op, scheduler) || monitor_not_running_after(rsc_id, node_name, xml_op, scheduler); } /*! * \internal * \brief Parse migration source and target node names from history entry * * \param[in] entry Resource history entry for a migration action * \param[in] source_node If not NULL, source must match this node * \param[in] target_node If not NULL, target must match this node * \param[out] source_name Where to store migration source node name * \param[out] target_name Where to store migration target node name * * \return Standard Pacemaker return code */ static int get_migration_node_names(const xmlNode *entry, const pcmk_node_t *source_node, const pcmk_node_t *target_node, const char **source_name, const char **target_name) { *source_name = crm_element_value(entry, PCMK__META_MIGRATE_SOURCE); *target_name = crm_element_value(entry, PCMK__META_MIGRATE_TARGET); if ((*source_name == NULL) || (*target_name == NULL)) { pcmk__config_err("Ignoring resource history entry %s without " PCMK__META_MIGRATE_SOURCE " and " PCMK__META_MIGRATE_TARGET, pcmk__xe_id(entry)); return pcmk_rc_unpack_error; } if ((source_node != NULL) && !pcmk__str_eq(*source_name, source_node->priv->name, pcmk__str_casei|pcmk__str_null_matches)) { pcmk__config_err("Ignoring resource history entry %s because " PCMK__META_MIGRATE_SOURCE "='%s' does not match %s", pcmk__xe_id(entry), *source_name, pcmk__node_name(source_node)); return pcmk_rc_unpack_error; } if ((target_node != NULL) && !pcmk__str_eq(*target_name, target_node->priv->name, pcmk__str_casei|pcmk__str_null_matches)) { pcmk__config_err("Ignoring resource history entry %s because " PCMK__META_MIGRATE_TARGET "='%s' does not match %s", pcmk__xe_id(entry), *target_name, pcmk__node_name(target_node)); return pcmk_rc_unpack_error; } return pcmk_rc_ok; } /* * \internal * \brief Add a migration source to a resource's list of dangling migrations * * If the migrate_to and migrate_from actions in a live migration both * succeeded, but there is no stop on the source, the migration is considered * "dangling." Add the source to the resource's dangling migration list, which * will be used to schedule a stop on the source without affecting the target. * * \param[in,out] rsc Resource involved in migration * \param[in] node Migration source */ static void add_dangling_migration(pcmk_resource_t *rsc, const pcmk_node_t *node) { pcmk__rsc_trace(rsc, "Dangling migration of %s requires stop on %s", rsc->id, pcmk__node_name(node)); rsc->priv->orig_role = pcmk_role_stopped; rsc->priv->dangling_migration_sources = g_list_prepend(rsc->priv->dangling_migration_sources, (gpointer) node); } /*! * \internal * \brief Update resource role etc. after a successful migrate_to action * * \param[in,out] history Parsed action result history */ static void unpack_migrate_to_success(struct action_history *history) { /* A complete migration sequence is: * 1. migrate_to on source node (which succeeded if we get to this function) * 2. migrate_from on target node * 3. stop on source node * * If no migrate_from has happened, the migration is considered to be * "partial". If the migrate_from succeeded but no stop has happened, the * migration is considered to be "dangling". * * If a successful migrate_to and stop have happened on the source node, we * still need to check for a partial migration, due to scenarios (easier to * produce with batch-limit=1) like: * * - A resource is migrating from node1 to node2, and a migrate_to is * initiated for it on node1. * * - node2 goes into standby mode while the migrate_to is pending, which * aborts the transition. * * - Upon completion of the migrate_to, a new transition schedules a stop * on both nodes and a start on node1. * * - If the new transition is aborted for any reason while the resource is * stopping on node1, the transition after that stop completes will see * the migrate_to and stop on the source, but it's still a partial * migration, and the resource must be stopped on node2 because it is * potentially active there due to the migrate_to. * * We also need to take into account that either node's history may be * cleared at any point in the migration process. */ int from_rc = PCMK_OCF_OK; int from_status = PCMK_EXEC_PENDING; pcmk_node_t *target_node = NULL; xmlNode *migrate_from = NULL; const char *source = NULL; const char *target = NULL; bool source_newer_op = false; bool target_newer_state = false; bool active_on_target = false; pcmk_scheduler_t *scheduler = history->rsc->priv->scheduler; // Get source and target node names from XML if (get_migration_node_names(history->xml, history->node, NULL, &source, &target) != pcmk_rc_ok) { return; } // Check for newer state on the source source_newer_op = non_monitor_after(history->rsc->id, source, history->xml, scheduler); // Check for a migrate_from action from this source on the target migrate_from = find_lrm_op(history->rsc->id, PCMK_ACTION_MIGRATE_FROM, target, source, -1, scheduler); if (migrate_from != NULL) { if (source_newer_op) { /* There's a newer non-monitor operation on the source and a * migrate_from on the target, so this migrate_to is irrelevant to * the resource's state. */ return; } crm_element_value_int(migrate_from, PCMK__XA_RC_CODE, &from_rc); crm_element_value_int(migrate_from, PCMK__XA_OP_STATUS, &from_status); } /* If the resource has newer state on both the source and target after the * migration events, this migrate_to is irrelevant to the resource's state. */ target_newer_state = newer_state_after_migrate(history->rsc->id, target, history->xml, migrate_from, scheduler); if (source_newer_op && target_newer_state) { return; } /* Check for dangling migration (migrate_from succeeded but stop not done). * We know there's no stop because we already returned if the target has a * migrate_from and the source has any newer non-monitor operation. */ if ((from_rc == PCMK_OCF_OK) && (from_status == PCMK_EXEC_DONE)) { add_dangling_migration(history->rsc, history->node); return; } /* Without newer state, this migrate_to implies the resource is active. * (Clones are not allowed to migrate, so role can't be promoted.) */ history->rsc->priv->orig_role = pcmk_role_started; target_node = pcmk_find_node(scheduler, target); active_on_target = !target_newer_state && (target_node != NULL) && target_node->details->online; if (from_status != PCMK_EXEC_PENDING) { // migrate_from failed on target if (active_on_target) { native_add_running(history->rsc, target_node, scheduler, TRUE); } else { // Mark resource as failed, require recovery, and prevent migration pcmk__set_rsc_flags(history->rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); pcmk__clear_rsc_flags(history->rsc, pcmk__rsc_migratable); } return; } // The migrate_from is pending, complete but erased, or to be scheduled /* If there is no history at all for the resource on an online target, then * it was likely cleaned. Just return, and we'll schedule a probe. Once we * have the probe result, it will be reflected in target_newer_state. */ if ((target_node != NULL) && target_node->details->online && unknown_on_node(history->rsc, target)) { return; } if (active_on_target) { pcmk_node_t *source_node = pcmk_find_node(scheduler, source); native_add_running(history->rsc, target_node, scheduler, FALSE); if ((source_node != NULL) && source_node->details->online) { /* This is a partial migration: the migrate_to completed * successfully on the source, but the migrate_from has not * completed. Remember the source and target; if the newly * chosen target remains the same when we schedule actions * later, we may continue with the migration. */ history->rsc->priv->partial_migration_target = target_node; history->rsc->priv->partial_migration_source = source_node; } } else if (!source_newer_op) { // Mark resource as failed, require recovery, and prevent migration pcmk__set_rsc_flags(history->rsc, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); pcmk__clear_rsc_flags(history->rsc, pcmk__rsc_migratable); } } /*! * \internal * \brief Update resource role etc. after a failed migrate_to action * * \param[in,out] history Parsed action result history */ static void unpack_migrate_to_failure(struct action_history *history) { xmlNode *target_migrate_from = NULL; const char *source = NULL; const char *target = NULL; pcmk_scheduler_t *scheduler = history->rsc->priv->scheduler; // Get source and target node names from XML if (get_migration_node_names(history->xml, history->node, NULL, &source, &target) != pcmk_rc_ok) { return; } /* If a migration failed, we have to assume the resource is active. Clones * are not allowed to migrate, so role can't be promoted. */ history->rsc->priv->orig_role = pcmk_role_started; // Check for migrate_from on the target target_migrate_from = find_lrm_op(history->rsc->id, PCMK_ACTION_MIGRATE_FROM, target, source, PCMK_OCF_OK, scheduler); if (/* If the resource state is unknown on the target, it will likely be * probed there. * Don't just consider it running there. We will get back here anyway in * case the probe detects it's running there. */ !unknown_on_node(history->rsc, target) /* If the resource has newer state on the target after the migration * events, this migrate_to no longer matters for the target. */ && !newer_state_after_migrate(history->rsc->id, target, history->xml, target_migrate_from, scheduler)) { /* The resource has no newer state on the target, so assume it's still * active there. * (if it is up). */ pcmk_node_t *target_node = pcmk_find_node(scheduler, target); if (target_node && target_node->details->online) { native_add_running(history->rsc, target_node, scheduler, FALSE); } } else if (!non_monitor_after(history->rsc->id, source, history->xml, scheduler)) { /* We know the resource has newer state on the target, but this * migrate_to still matters for the source as long as there's no newer * non-monitor operation there. */ // Mark node as having dangling migration so we can force a stop later history->rsc->priv->dangling_migration_sources = g_list_prepend(history->rsc->priv->dangling_migration_sources, (gpointer) history->node); } } /*! * \internal * \brief Update resource role etc. after a failed migrate_from action * * \param[in,out] history Parsed action result history */ static void unpack_migrate_from_failure(struct action_history *history) { xmlNode *source_migrate_to = NULL; const char *source = NULL; const char *target = NULL; pcmk_scheduler_t *scheduler = history->rsc->priv->scheduler; // Get source and target node names from XML if (get_migration_node_names(history->xml, NULL, history->node, &source, &target) != pcmk_rc_ok) { return; } /* If a migration failed, we have to assume the resource is active. Clones * are not allowed to migrate, so role can't be promoted. */ history->rsc->priv->orig_role = pcmk_role_started; // Check for a migrate_to on the source source_migrate_to = find_lrm_op(history->rsc->id, PCMK_ACTION_MIGRATE_TO, source, target, PCMK_OCF_OK, scheduler); if (/* If the resource state is unknown on the source, it will likely be * probed there. * Don't just consider it running there. We will get back here anyway in * case the probe detects it's running there. */ !unknown_on_node(history->rsc, source) /* If the resource has newer state on the source after the migration * events, this migrate_from no longer matters for the source. */ && !newer_state_after_migrate(history->rsc->id, source, source_migrate_to, history->xml, scheduler)) { /* The resource has no newer state on the source, so assume it's still * active there (if it is up). */ pcmk_node_t *source_node = pcmk_find_node(scheduler, source); if (source_node && source_node->details->online) { native_add_running(history->rsc, source_node, scheduler, TRUE); } } } /*! * \internal * \brief Add an action to cluster's list of failed actions * * \param[in,out] history Parsed action result history */ static void record_failed_op(struct action_history *history) { const pcmk_scheduler_t *scheduler = history->rsc->priv->scheduler; if (!(history->node->details->online)) { return; } for (const xmlNode *xIter = scheduler->failed->children; xIter != NULL; xIter = xIter->next) { const char *key = pcmk__xe_history_key(xIter); const char *uname = crm_element_value(xIter, PCMK_XA_UNAME); if (pcmk__str_eq(history->key, key, pcmk__str_none) && pcmk__str_eq(uname, history->node->priv->name, pcmk__str_casei)) { crm_trace("Skipping duplicate entry %s on %s", history->key, pcmk__node_name(history->node)); return; } } crm_trace("Adding entry for %s on %s to failed action list", history->key, pcmk__node_name(history->node)); crm_xml_add(history->xml, PCMK_XA_UNAME, history->node->priv->name); crm_xml_add(history->xml, PCMK__XA_RSC_ID, history->rsc->id); pcmk__xml_copy(scheduler->failed, history->xml); } static char * last_change_str(const xmlNode *xml_op) { time_t when; char *result = NULL; if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE, &when) == pcmk_ok) { char *when_s = pcmk__epoch2str(&when, 0); const char *p = strchr(when_s, ' '); // Skip day of week to make message shorter if ((p != NULL) && (*(++p) != '\0')) { result = pcmk__str_copy(p); } free(when_s); } if (result == NULL) { result = pcmk__str_copy("unknown_time"); } return result; } /*! * \internal * \brief Ban a resource (or its clone if an anonymous instance) from all nodes * * \param[in,out] rsc Resource to ban */ static void ban_from_all_nodes(pcmk_resource_t *rsc) { int score = -PCMK_SCORE_INFINITY; const pcmk_scheduler_t *scheduler = rsc->priv->scheduler; if (rsc->priv->parent != NULL) { pcmk_resource_t *parent = uber_parent(rsc); if (pcmk__is_anonymous_clone(parent)) { /* For anonymous clones, if an operation with * PCMK_META_ON_FAIL=PCMK_VALUE_STOP fails for any instance, the * entire clone must stop. */ rsc = parent; } } // Ban the resource from all nodes crm_notice("%s will not be started under current conditions", rsc->id); if (rsc->priv->allowed_nodes != NULL) { g_hash_table_destroy(rsc->priv->allowed_nodes); } rsc->priv->allowed_nodes = pe__node_list2table(scheduler->nodes); g_hash_table_foreach(rsc->priv->allowed_nodes, set_node_score, &score); } /*! * \internal * \brief Get configured failure handling and role after failure for an action * * \param[in,out] history Unpacked action history entry * \param[out] on_fail Where to set configured failure handling * \param[out] fail_role Where to set to role after failure */ static void unpack_failure_handling(struct action_history *history, enum pcmk__on_fail *on_fail, enum rsc_role_e *fail_role) { xmlNode *config = pcmk__find_action_config(history->rsc, history->task, history->interval_ms, true); GHashTable *meta = pcmk__unpack_action_meta(history->rsc, history->node, history->task, history->interval_ms, config); const char *on_fail_str = g_hash_table_lookup(meta, PCMK_META_ON_FAIL); *on_fail = pcmk__parse_on_fail(history->rsc, history->task, history->interval_ms, on_fail_str); *fail_role = pcmk__role_after_failure(history->rsc, history->task, *on_fail, meta); g_hash_table_destroy(meta); } /*! * \internal * \brief Update resource role, failure handling, etc., after a failed action * * \param[in,out] history Parsed action result history * \param[in] config_on_fail Action failure handling from configuration * \param[in] fail_role Resource's role after failure of this action * \param[out] last_failure This will be set to the history XML * \param[in,out] on_fail Actual handling of action result */ static void unpack_rsc_op_failure(struct action_history *history, enum pcmk__on_fail config_on_fail, enum rsc_role_e fail_role, xmlNode **last_failure, enum pcmk__on_fail *on_fail) { bool is_probe = false; char *last_change_s = NULL; pcmk_scheduler_t *scheduler = history->rsc->priv->scheduler; *last_failure = history->xml; is_probe = pcmk_xe_is_probe(history->xml); last_change_s = last_change_str(history->xml); if (!pcmk_is_set(scheduler->flags, pcmk__sched_symmetric_cluster) && (history->exit_status == PCMK_OCF_NOT_INSTALLED)) { crm_trace("Unexpected result (%s%s%s) was recorded for " "%s of %s on %s at %s " QB_XS " exit-status=%d id=%s", services_ocf_exitcode_str(history->exit_status), (pcmk__str_empty(history->exit_reason)? "" : ": "), pcmk__s(history->exit_reason, ""), (is_probe? "probe" : history->task), history->rsc->id, pcmk__node_name(history->node), last_change_s, history->exit_status, history->id); } else { pcmk__sched_warn(scheduler, "Unexpected result (%s%s%s) was recorded for %s of " "%s on %s at %s " QB_XS " exit-status=%d id=%s", services_ocf_exitcode_str(history->exit_status), (pcmk__str_empty(history->exit_reason)? "" : ": "), pcmk__s(history->exit_reason, ""), (is_probe? "probe" : history->task), history->rsc->id, pcmk__node_name(history->node), last_change_s, history->exit_status, history->id); if (is_probe && (history->exit_status != PCMK_OCF_OK) && (history->exit_status != PCMK_OCF_NOT_RUNNING) && (history->exit_status != PCMK_OCF_RUNNING_PROMOTED)) { /* A failed (not just unexpected) probe result could mean the user * didn't know resources will be probed even where they can't run. */ crm_notice("If it is not possible for %s to run on %s, see " "the " PCMK_XA_RESOURCE_DISCOVERY " option for location " "constraints", history->rsc->id, pcmk__node_name(history->node)); } record_failed_op(history); } free(last_change_s); if (*on_fail < config_on_fail) { pcmk__rsc_trace(history->rsc, "on-fail %s -> %s for %s", pcmk__on_fail_text(*on_fail), pcmk__on_fail_text(config_on_fail), history->key); *on_fail = config_on_fail; } if (strcmp(history->task, PCMK_ACTION_STOP) == 0) { resource_location(history->rsc, history->node, -PCMK_SCORE_INFINITY, "__stop_fail__", scheduler); } else if (strcmp(history->task, PCMK_ACTION_MIGRATE_TO) == 0) { unpack_migrate_to_failure(history); } else if (strcmp(history->task, PCMK_ACTION_MIGRATE_FROM) == 0) { unpack_migrate_from_failure(history); } else if (strcmp(history->task, PCMK_ACTION_PROMOTE) == 0) { history->rsc->priv->orig_role = pcmk_role_promoted; } else if (strcmp(history->task, PCMK_ACTION_DEMOTE) == 0) { if (config_on_fail == pcmk__on_fail_block) { history->rsc->priv->orig_role = pcmk_role_promoted; pe__set_next_role(history->rsc, pcmk_role_stopped, "demote with " PCMK_META_ON_FAIL "=block"); } else if (history->exit_status == PCMK_OCF_NOT_RUNNING) { history->rsc->priv->orig_role = pcmk_role_stopped; } else { /* Staying in the promoted role would put the scheduler and * controller into a loop. Setting the role to unpromoted is not * dangerous because the resource will be stopped as part of * recovery, and any promotion will be ordered after that stop. */ history->rsc->priv->orig_role = pcmk_role_unpromoted; } } if (is_probe && (history->exit_status == PCMK_OCF_NOT_INSTALLED)) { /* leave stopped */ pcmk__rsc_trace(history->rsc, "Leaving %s stopped", history->rsc->id); history->rsc->priv->orig_role = pcmk_role_stopped; } else if (history->rsc->priv->orig_role < pcmk_role_started) { pcmk__rsc_trace(history->rsc, "Setting %s active", history->rsc->id); set_active(history->rsc); } pcmk__rsc_trace(history->rsc, "Resource %s: role=%s unclean=%s on_fail=%s fail_role=%s", history->rsc->id, pcmk_role_text(history->rsc->priv->orig_role), pcmk__btoa(history->node->details->unclean), pcmk__on_fail_text(config_on_fail), pcmk_role_text(fail_role)); if ((fail_role != pcmk_role_started) && (history->rsc->priv->next_role < fail_role)) { pe__set_next_role(history->rsc, fail_role, "failure"); } if (fail_role == pcmk_role_stopped) { ban_from_all_nodes(history->rsc); } } /*! * \internal * \brief Block a resource with a failed action if it cannot be recovered * * If resource action is a failed stop and fencing is not possible, mark the * resource as unmanaged and blocked, since recovery cannot be done. * * \param[in,out] history Parsed action history entry */ static void block_if_unrecoverable(struct action_history *history) { char *last_change_s = NULL; if (strcmp(history->task, PCMK_ACTION_STOP) != 0) { return; // All actions besides stop are always recoverable } if (pe_can_fence(history->node->priv->scheduler, history->node)) { return; // Failed stops are recoverable via fencing } last_change_s = last_change_str(history->xml); pcmk__sched_err(history->node->priv->scheduler, "No further recovery can be attempted for %s " "because %s on %s failed (%s%s%s) at %s " QB_XS " rc=%d id=%s", history->rsc->id, history->task, pcmk__node_name(history->node), services_ocf_exitcode_str(history->exit_status), (pcmk__str_empty(history->exit_reason)? "" : ": "), pcmk__s(history->exit_reason, ""), last_change_s, history->exit_status, history->id); free(last_change_s); pcmk__clear_rsc_flags(history->rsc, pcmk__rsc_managed); pcmk__set_rsc_flags(history->rsc, pcmk__rsc_blocked); } /*! * \internal * \brief Update action history's execution status and why * * \param[in,out] history Parsed action history entry * \param[out] why Where to store reason for update * \param[in] value New value * \param[in] reason Description of why value was changed */ static inline void remap_because(struct action_history *history, const char **why, int value, const char *reason) { if (history->execution_status != value) { history->execution_status = value; *why = reason; } } /*! * \internal * \brief Remap informational monitor results and operation status * * For the monitor results, certain OCF codes are for providing extended information * to the user about services that aren't yet failed but not entirely healthy either. * These must be treated as the "normal" result by Pacemaker. * * For operation status, the action result can be used to determine an appropriate * status for the purposes of responding to the action. The status provided by the * executor is not directly usable since the executor does not know what was expected. * * \param[in,out] history Parsed action history entry * \param[in,out] on_fail What should be done about the result * \param[in] expired Whether result is expired * * \note If the result is remapped and the node is not shutting down or failed, * the operation will be recorded in the scheduler data's list of failed * operations to highlight it for the user. * * \note This may update the resource's current and next role. */ static void remap_operation(struct action_history *history, enum pcmk__on_fail *on_fail, bool expired) { bool is_probe = false; int orig_exit_status = history->exit_status; int orig_exec_status = history->execution_status; const char *why = NULL; const char *task = history->task; // Remap degraded results to their successful counterparts history->exit_status = pcmk__effective_rc(history->exit_status); if (history->exit_status != orig_exit_status) { why = "degraded result"; if (!expired && (!history->node->details->shutdown || history->node->details->online)) { record_failed_op(history); } } if (!pcmk__is_bundled(history->rsc) && pcmk_xe_mask_probe_failure(history->xml) && ((history->execution_status != PCMK_EXEC_DONE) || (history->exit_status != PCMK_OCF_NOT_RUNNING))) { history->execution_status = PCMK_EXEC_DONE; history->exit_status = PCMK_OCF_NOT_RUNNING; why = "equivalent probe result"; } /* If the executor reported an execution status of anything but done or * error, consider that final. But for done or error, we know better whether * it should be treated as a failure or not, because we know the expected * result. */ switch (history->execution_status) { case PCMK_EXEC_DONE: case PCMK_EXEC_ERROR: break; // These should be treated as node-fatal case PCMK_EXEC_NO_FENCE_DEVICE: case PCMK_EXEC_NO_SECRETS: remap_because(history, &why, PCMK_EXEC_ERROR_HARD, "node-fatal error"); goto remap_done; default: goto remap_done; } is_probe = pcmk_xe_is_probe(history->xml); if (is_probe) { task = "probe"; } if (history->expected_exit_status < 0) { /* Pre-1.0 Pacemaker versions, and Pacemaker 1.1.6 or earlier with * Heartbeat 2.0.7 or earlier as the cluster layer, did not include the * expected exit status in the transition key, which (along with the * similar case of a corrupted transition key in the CIB) will be * reported to this function as -1. Pacemaker 2.0+ does not support * rolling upgrades from those versions or processing of saved CIB files * from those versions, so we do not need to care much about this case. */ remap_because(history, &why, PCMK_EXEC_ERROR, "obsolete history format"); pcmk__config_warn("Expected result not found for %s on %s " "(corrupt or obsolete CIB?)", history->key, pcmk__node_name(history->node)); } else if (history->exit_status == history->expected_exit_status) { remap_because(history, &why, PCMK_EXEC_DONE, "expected result"); } else { remap_because(history, &why, PCMK_EXEC_ERROR, "unexpected result"); pcmk__rsc_debug(history->rsc, "%s on %s: expected %d (%s), got %d (%s%s%s)", history->key, pcmk__node_name(history->node), history->expected_exit_status, services_ocf_exitcode_str(history->expected_exit_status), history->exit_status, services_ocf_exitcode_str(history->exit_status), (pcmk__str_empty(history->exit_reason)? "" : ": "), pcmk__s(history->exit_reason, "")); } switch (history->exit_status) { case PCMK_OCF_OK: if (is_probe && (history->expected_exit_status == PCMK_OCF_NOT_RUNNING)) { char *last_change_s = last_change_str(history->xml); remap_because(history, &why, PCMK_EXEC_DONE, "probe"); pcmk__rsc_info(history->rsc, "Probe found %s active on %s at %s", history->rsc->id, pcmk__node_name(history->node), last_change_s); free(last_change_s); } break; case PCMK_OCF_NOT_RUNNING: if (is_probe || (history->expected_exit_status == history->exit_status) || !pcmk_is_set(history->rsc->flags, pcmk__rsc_managed)) { /* For probes, recurring monitors for the Stopped role, and * unmanaged resources, "not running" is not considered a * failure. */ remap_because(history, &why, PCMK_EXEC_DONE, "exit status"); history->rsc->priv->orig_role = pcmk_role_stopped; *on_fail = pcmk__on_fail_ignore; pe__set_next_role(history->rsc, pcmk_role_unknown, "not running"); } break; case PCMK_OCF_RUNNING_PROMOTED: if (is_probe && (history->exit_status != history->expected_exit_status)) { char *last_change_s = last_change_str(history->xml); remap_because(history, &why, PCMK_EXEC_DONE, "probe"); pcmk__rsc_info(history->rsc, "Probe found %s active and promoted on %s at %s", history->rsc->id, pcmk__node_name(history->node), last_change_s); free(last_change_s); } if (!expired || (history->exit_status == history->expected_exit_status)) { history->rsc->priv->orig_role = pcmk_role_promoted; } break; case PCMK_OCF_FAILED_PROMOTED: if (!expired) { history->rsc->priv->orig_role = pcmk_role_promoted; } remap_because(history, &why, PCMK_EXEC_ERROR, "exit status"); break; case PCMK_OCF_NOT_CONFIGURED: remap_because(history, &why, PCMK_EXEC_ERROR_FATAL, "exit status"); break; case PCMK_OCF_UNIMPLEMENT_FEATURE: { guint interval_ms = 0; crm_element_value_ms(history->xml, PCMK_META_INTERVAL, &interval_ms); if (interval_ms == 0) { if (!expired) { block_if_unrecoverable(history); } remap_because(history, &why, PCMK_EXEC_ERROR_HARD, "exit status"); } else { remap_because(history, &why, PCMK_EXEC_NOT_SUPPORTED, "exit status"); } } break; case PCMK_OCF_NOT_INSTALLED: case PCMK_OCF_INVALID_PARAM: case PCMK_OCF_INSUFFICIENT_PRIV: if (!expired) { block_if_unrecoverable(history); } remap_because(history, &why, PCMK_EXEC_ERROR_HARD, "exit status"); break; default: if (history->execution_status == PCMK_EXEC_DONE) { char *last_change_s = last_change_str(history->xml); crm_info("Treating unknown exit status %d from %s of %s " "on %s at %s as failure", history->exit_status, task, history->rsc->id, pcmk__node_name(history->node), last_change_s); remap_because(history, &why, PCMK_EXEC_ERROR, "unknown exit status"); free(last_change_s); } break; } remap_done: if (why != NULL) { pcmk__rsc_trace(history->rsc, "Remapped %s result from [%s: %s] to [%s: %s] " "because of %s", history->key, pcmk_exec_status_str(orig_exec_status), crm_exit_str(orig_exit_status), pcmk_exec_status_str(history->execution_status), crm_exit_str(history->exit_status), why); } } // return TRUE if start or monitor last failure but parameters changed static bool should_clear_for_param_change(const xmlNode *xml_op, const char *task, pcmk_resource_t *rsc, pcmk_node_t *node) { if (pcmk__str_any_of(task, PCMK_ACTION_START, PCMK_ACTION_MONITOR, NULL)) { if (pe__bundle_needs_remote_name(rsc)) { /* We haven't allocated resources yet, so we can't reliably * substitute addr parameters for the REMOTE_CONTAINER_HACK. * When that's needed, defer the check until later. */ pe__add_param_check(xml_op, rsc, node, pcmk__check_last_failure, rsc->priv->scheduler); } else { pcmk__op_digest_t *digest_data = NULL; digest_data = rsc_action_digest_cmp(rsc, xml_op, node, rsc->priv->scheduler); switch (digest_data->rc) { case pcmk__digest_unknown: crm_trace("Resource %s history entry %s on %s" " has no digest to compare", rsc->id, pcmk__xe_history_key(xml_op), node->priv->id); break; case pcmk__digest_match: break; default: return TRUE; } } } return FALSE; } // Order action after fencing of remote node, given connection rsc static void order_after_remote_fencing(pcmk_action_t *action, pcmk_resource_t *remote_conn, pcmk_scheduler_t *scheduler) { pcmk_node_t *remote_node = pcmk_find_node(scheduler, remote_conn->id); if (remote_node) { pcmk_action_t *fence = pe_fence_op(remote_node, NULL, TRUE, NULL, FALSE, scheduler); order_actions(fence, action, pcmk__ar_first_implies_then); } } static bool should_ignore_failure_timeout(const pcmk_resource_t *rsc, const char *task, guint interval_ms, bool is_last_failure) { /* Clearing failures of recurring monitors has special concerns. The * executor reports only changes in the monitor result, so if the * monitor is still active and still getting the same failure result, * that will go undetected after the failure is cleared. * * Also, the operation history will have the time when the recurring * monitor result changed to the given code, not the time when the * result last happened. * * @TODO We probably should clear such failures only when the failure * timeout has passed since the last occurrence of the failed result. * However we don't record that information. We could maybe approximate * that by clearing only if there is a more recent successful monitor or * stop result, but we don't even have that information at this point * since we are still unpacking the resource's operation history. * * This is especially important for remote connection resources with a * reconnect interval, so in that case, we skip clearing failures * if the remote node hasn't been fenced. */ if ((rsc->priv->remote_reconnect_ms > 0U) && pcmk_is_set(rsc->priv->scheduler->flags, pcmk__sched_fencing_enabled) && (interval_ms != 0) && pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei)) { pcmk_node_t *remote_node = pcmk_find_node(rsc->priv->scheduler, rsc->id); if (remote_node && !pcmk_is_set(remote_node->priv->flags, pcmk__node_remote_fenced)) { if (is_last_failure) { crm_info("Waiting to clear monitor failure for remote node %s" " until fencing has occurred", rsc->id); } return TRUE; } } return FALSE; } /*! * \internal * \brief Check operation age and schedule failure clearing when appropriate * * This function has two distinct purposes. The first is to check whether an * operation history entry is expired (i.e. the resource has a failure timeout, * the entry is older than the timeout, and the resource either has no fail * count or its fail count is entirely older than the timeout). The second is to * schedule fail count clearing when appropriate (i.e. the operation is expired * and either the resource has an expired fail count or the operation is a * last_failure for a remote connection resource with a reconnect interval, * or the operation is a last_failure for a start or monitor operation and the * resource's parameters have changed since the operation). * * \param[in,out] history Parsed action result history * * \return true if operation history entry is expired, otherwise false */ static bool check_operation_expiry(struct action_history *history) { bool expired = false; bool is_last_failure = pcmk__ends_with(history->id, "_last_failure_0"); time_t last_run = 0; int unexpired_fail_count = 0; const char *clear_reason = NULL; const guint expiration_sec = history->rsc->priv->failure_expiration_ms / 1000; pcmk_scheduler_t *scheduler = history->rsc->priv->scheduler; if (history->execution_status == PCMK_EXEC_NOT_INSTALLED) { pcmk__rsc_trace(history->rsc, "Resource history entry %s on %s is not expired: " "Not Installed does not expire", history->id, pcmk__node_name(history->node)); return false; // "Not installed" must always be cleared manually } if ((expiration_sec > 0) && (crm_element_value_epoch(history->xml, PCMK_XA_LAST_RC_CHANGE, &last_run) == 0)) { /* Resource has a PCMK_META_FAILURE_TIMEOUT and history entry has a * timestamp */ time_t now = get_effective_time(scheduler); time_t last_failure = 0; // Is this particular operation history older than the failure timeout? if ((now >= (last_run + expiration_sec)) && !should_ignore_failure_timeout(history->rsc, history->task, history->interval_ms, is_last_failure)) { expired = true; } // Does the resource as a whole have an unexpired fail count? unexpired_fail_count = pe_get_failcount(history->node, history->rsc, &last_failure, pcmk__fc_effective, history->xml); // Update scheduler recheck time according to *last* failure crm_trace("%s@%lld is %sexpired @%lld with unexpired_failures=%d " "expiration=%s last-failure@%lld", history->id, (long long) last_run, (expired? "" : "not "), (long long) now, unexpired_fail_count, pcmk__readable_interval(expiration_sec * 1000), (long long) last_failure); last_failure += expiration_sec + 1; if (unexpired_fail_count && (now < last_failure)) { pe__update_recheck_time(last_failure, scheduler, "fail count expiration"); } } if (expired) { if (pe_get_failcount(history->node, history->rsc, NULL, pcmk__fc_default, history->xml)) { // There is a fail count ignoring timeout if (unexpired_fail_count == 0) { // There is no fail count considering timeout clear_reason = "it expired"; } else { /* This operation is old, but there is an unexpired fail count. * In a properly functioning cluster, this should only be * possible if this operation is not a failure (otherwise the * fail count should be expired too), so this is really just a * failsafe. */ pcmk__rsc_trace(history->rsc, "Resource history entry %s on %s is not " "expired: Unexpired fail count", history->id, pcmk__node_name(history->node)); expired = false; } } else if (is_last_failure && (history->rsc->priv->remote_reconnect_ms > 0U)) { /* Clear any expired last failure when reconnect interval is set, * even if there is no fail count. */ clear_reason = "reconnect interval is set"; } } if (!expired && is_last_failure && should_clear_for_param_change(history->xml, history->task, history->rsc, history->node)) { clear_reason = "resource parameters have changed"; } if (clear_reason != NULL) { pcmk_action_t *clear_op = NULL; // Schedule clearing of the fail count clear_op = pe__clear_failcount(history->rsc, history->node, clear_reason, scheduler); if (pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled) && (history->rsc->priv->remote_reconnect_ms > 0)) { /* If we're clearing a remote connection due to a reconnect * interval, we want to wait until any scheduled fencing * completes. * * We could limit this to remote_node->details->unclean, but at * this point, that's always true (it won't be reliable until * after unpack_node_history() is done). */ crm_info("Clearing %s failure will wait until any scheduled " "fencing of %s completes", history->task, history->rsc->id); order_after_remote_fencing(clear_op, history->rsc, scheduler); } } if (expired && (history->interval_ms == 0) && pcmk__str_eq(history->task, PCMK_ACTION_MONITOR, pcmk__str_none)) { switch (history->exit_status) { case PCMK_OCF_OK: case PCMK_OCF_NOT_RUNNING: case PCMK_OCF_RUNNING_PROMOTED: case PCMK_OCF_DEGRADED: case PCMK_OCF_DEGRADED_PROMOTED: // Don't expire probes that return these values pcmk__rsc_trace(history->rsc, "Resource history entry %s on %s is not " "expired: Probe result", history->id, pcmk__node_name(history->node)); expired = false; break; } } return expired; } int pe__target_rc_from_xml(const xmlNode *xml_op) { int target_rc = 0; const char *key = crm_element_value(xml_op, PCMK__XA_TRANSITION_KEY); if (key == NULL) { return -1; } decode_transition_key(key, NULL, NULL, NULL, &target_rc); return target_rc; } /*! * \internal * \brief Update a resource's state for an action result * * \param[in,out] history Parsed action history entry * \param[in] exit_status Exit status to base new state on * \param[in] last_failure Resource's last_failure entry, if known * \param[in,out] on_fail Resource's current failure handling */ static void update_resource_state(struct action_history *history, int exit_status, const xmlNode *last_failure, enum pcmk__on_fail *on_fail) { bool clear_past_failure = false; if ((exit_status == PCMK_OCF_NOT_INSTALLED) || (!pcmk__is_bundled(history->rsc) && pcmk_xe_mask_probe_failure(history->xml))) { history->rsc->priv->orig_role = pcmk_role_stopped; } else if (exit_status == PCMK_OCF_NOT_RUNNING) { clear_past_failure = true; } else if (pcmk__str_eq(history->task, PCMK_ACTION_MONITOR, pcmk__str_none)) { if ((last_failure != NULL) && pcmk__str_eq(history->key, pcmk__xe_history_key(last_failure), pcmk__str_none)) { clear_past_failure = true; } if (history->rsc->priv->orig_role < pcmk_role_started) { set_active(history->rsc); } } else if (pcmk__str_eq(history->task, PCMK_ACTION_START, pcmk__str_none)) { history->rsc->priv->orig_role = pcmk_role_started; clear_past_failure = true; } else if (pcmk__str_eq(history->task, PCMK_ACTION_STOP, pcmk__str_none)) { history->rsc->priv->orig_role = pcmk_role_stopped; clear_past_failure = true; } else if (pcmk__str_eq(history->task, PCMK_ACTION_PROMOTE, pcmk__str_none)) { history->rsc->priv->orig_role = pcmk_role_promoted; clear_past_failure = true; } else if (pcmk__str_eq(history->task, PCMK_ACTION_DEMOTE, pcmk__str_none)) { if (*on_fail == pcmk__on_fail_demote) { /* Demote clears an error only if * PCMK_META_ON_FAIL=PCMK_VALUE_DEMOTE */ clear_past_failure = true; } history->rsc->priv->orig_role = pcmk_role_unpromoted; } else if (pcmk__str_eq(history->task, PCMK_ACTION_MIGRATE_FROM, pcmk__str_none)) { history->rsc->priv->orig_role = pcmk_role_started; clear_past_failure = true; } else if (pcmk__str_eq(history->task, PCMK_ACTION_MIGRATE_TO, pcmk__str_none)) { unpack_migrate_to_success(history); } else if (history->rsc->priv->orig_role < pcmk_role_started) { pcmk__rsc_trace(history->rsc, "%s active on %s", history->rsc->id, pcmk__node_name(history->node)); set_active(history->rsc); } if (!clear_past_failure) { return; } switch (*on_fail) { case pcmk__on_fail_stop: case pcmk__on_fail_ban: case pcmk__on_fail_standby_node: case pcmk__on_fail_fence_node: pcmk__rsc_trace(history->rsc, "%s (%s) is not cleared by a completed %s", history->rsc->id, pcmk__on_fail_text(*on_fail), history->task); break; case pcmk__on_fail_block: case pcmk__on_fail_ignore: case pcmk__on_fail_demote: case pcmk__on_fail_restart: case pcmk__on_fail_restart_container: *on_fail = pcmk__on_fail_ignore; pe__set_next_role(history->rsc, pcmk_role_unknown, "clear past failures"); break; case pcmk__on_fail_reset_remote: if (history->rsc->priv->remote_reconnect_ms == 0U) { /* With no reconnect interval, the connection is allowed to * start again after the remote node is fenced and * completely stopped. (With a reconnect interval, we wait * for the failure to be cleared entirely before attempting * to reconnect.) */ *on_fail = pcmk__on_fail_ignore; pe__set_next_role(history->rsc, pcmk_role_unknown, "clear past failures and reset remote"); } break; } } /*! * \internal * \brief Check whether a given history entry matters for resource state * * \param[in] history Parsed action history entry * * \return true if action can affect resource state, otherwise false */ static inline bool can_affect_state(struct action_history *history) { #if 0 /* @COMPAT It might be better to parse only actions we know we're interested * in, rather than exclude a couple we don't. However that would be a * behavioral change that should be done at a major or minor series release. * Currently, unknown operations can affect whether a resource is considered * active and/or failed. */ return pcmk__str_any_of(history->task, PCMK_ACTION_MONITOR, PCMK_ACTION_START, PCMK_ACTION_STOP, PCMK_ACTION_PROMOTE, PCMK_ACTION_DEMOTE, PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM, "asyncmon", NULL); #else return !pcmk__str_any_of(history->task, PCMK_ACTION_NOTIFY, PCMK_ACTION_META_DATA, NULL); #endif } /*! * \internal * \brief Unpack execution/exit status and exit reason from a history entry * * \param[in,out] history Action history entry to unpack * * \return Standard Pacemaker return code */ static int unpack_action_result(struct action_history *history) { if ((crm_element_value_int(history->xml, PCMK__XA_OP_STATUS, &(history->execution_status)) < 0) || (history->execution_status < PCMK_EXEC_PENDING) || (history->execution_status > PCMK_EXEC_MAX) || (history->execution_status == PCMK_EXEC_CANCELLED)) { pcmk__config_err("Ignoring resource history entry %s for %s on %s " "with invalid " PCMK__XA_OP_STATUS " '%s'", history->id, history->rsc->id, pcmk__node_name(history->node), pcmk__s(crm_element_value(history->xml, PCMK__XA_OP_STATUS), "")); return pcmk_rc_unpack_error; } if ((crm_element_value_int(history->xml, PCMK__XA_RC_CODE, &(history->exit_status)) < 0) || (history->exit_status < 0) || (history->exit_status > CRM_EX_MAX)) { #if 0 /* @COMPAT We should ignore malformed entries, but since that would * change behavior, it should be done at a major or minor series * release. */ pcmk__config_err("Ignoring resource history entry %s for %s on %s " "with invalid " PCMK__XA_RC_CODE " '%s'", history->id, history->rsc->id, pcmk__node_name(history->node), pcmk__s(crm_element_value(history->xml, PCMK__XA_RC_CODE), "")); return pcmk_rc_unpack_error; #else history->exit_status = CRM_EX_ERROR; #endif } history->exit_reason = crm_element_value(history->xml, PCMK_XA_EXIT_REASON); return pcmk_rc_ok; } /*! * \internal * \brief Process an action history entry whose result expired * * \param[in,out] history Parsed action history entry * \param[in] orig_exit_status Action exit status before remapping * * \return Standard Pacemaker return code (in particular, pcmk_rc_ok means the * entry needs no further processing) */ static int process_expired_result(struct action_history *history, int orig_exit_status) { if (!pcmk__is_bundled(history->rsc) && pcmk_xe_mask_probe_failure(history->xml) && (orig_exit_status != history->expected_exit_status)) { if (history->rsc->priv->orig_role <= pcmk_role_stopped) { history->rsc->priv->orig_role = pcmk_role_unknown; } crm_trace("Ignoring resource history entry %s for probe of %s on %s: " "Masked failure expired", history->id, history->rsc->id, pcmk__node_name(history->node)); return pcmk_rc_ok; } if (history->exit_status == history->expected_exit_status) { return pcmk_rc_undetermined; // Only failures expire } if (history->interval_ms == 0) { crm_notice("Ignoring resource history entry %s for %s of %s on %s: " "Expired failure", history->id, history->task, history->rsc->id, pcmk__node_name(history->node)); return pcmk_rc_ok; } if (history->node->details->online && !history->node->details->unclean) { /* Reschedule the recurring action. schedule_cancel() won't work at * this stage, so as a hacky workaround, forcibly change the restart * digest so pcmk__check_action_config() does what we want later. * * @TODO We should skip this if there is a newer successful monitor. * Also, this causes rescheduling only if the history entry * has a PCMK__XA_OP_DIGEST (which the expire-non-blocked-failure * scheduler regression test doesn't, but that may not be a * realistic scenario in production). */ crm_notice("Rescheduling %s-interval %s of %s on %s " "after failure expired", pcmk__readable_interval(history->interval_ms), history->task, history->rsc->id, pcmk__node_name(history->node)); crm_xml_add(history->xml, PCMK__XA_OP_RESTART_DIGEST, "calculated-failure-timeout"); return pcmk_rc_ok; } return pcmk_rc_undetermined; } /*! * \internal * \brief Process a masked probe failure * * \param[in,out] history Parsed action history entry * \param[in] orig_exit_status Action exit status before remapping * \param[in] last_failure Resource's last_failure entry, if known * \param[in,out] on_fail Resource's current failure handling */ static void mask_probe_failure(struct action_history *history, int orig_exit_status, const xmlNode *last_failure, enum pcmk__on_fail *on_fail) { pcmk_resource_t *ban_rsc = history->rsc; if (!pcmk_is_set(history->rsc->flags, pcmk__rsc_unique)) { ban_rsc = uber_parent(history->rsc); } crm_notice("Treating probe result '%s' for %s on %s as 'not running'", services_ocf_exitcode_str(orig_exit_status), history->rsc->id, pcmk__node_name(history->node)); update_resource_state(history, history->expected_exit_status, last_failure, on_fail); crm_xml_add(history->xml, PCMK_XA_UNAME, history->node->priv->name); record_failed_op(history); resource_location(ban_rsc, history->node, -PCMK_SCORE_INFINITY, "masked-probe-failure", ban_rsc->priv->scheduler); } /*! * \internal Check whether a given failure is for a given pending action * * \param[in] history Parsed history entry for pending action * \param[in] last_failure Resource's last_failure entry, if known * * \return true if \p last_failure is failure of pending action in \p history, * otherwise false * \note Both \p history and \p last_failure must come from the same * \c PCMK__XE_LRM_RESOURCE block, as node and resource are assumed to be * the same. */ static bool failure_is_newer(const struct action_history *history, const xmlNode *last_failure) { guint failure_interval_ms = 0U; long long failure_change = 0LL; long long this_change = 0LL; if (last_failure == NULL) { return false; // Resource has no last_failure entry } if (!pcmk__str_eq(history->task, crm_element_value(last_failure, PCMK_XA_OPERATION), pcmk__str_none)) { return false; // last_failure is for different action } if ((crm_element_value_ms(last_failure, PCMK_META_INTERVAL, &failure_interval_ms) != pcmk_ok) || (history->interval_ms != failure_interval_ms)) { return false; // last_failure is for action with different interval } if ((pcmk__scan_ll(crm_element_value(history->xml, PCMK_XA_LAST_RC_CHANGE), &this_change, 0LL) != pcmk_rc_ok) || (pcmk__scan_ll(crm_element_value(last_failure, PCMK_XA_LAST_RC_CHANGE), &failure_change, 0LL) != pcmk_rc_ok) || (failure_change < this_change)) { return false; // Failure is not known to be newer } return true; } /*! * \internal * \brief Update a resource's role etc. for a pending action * * \param[in,out] history Parsed history entry for pending action * \param[in] last_failure Resource's last_failure entry, if known */ static void process_pending_action(struct action_history *history, const xmlNode *last_failure) { /* For recurring monitors, a failure is recorded only in RSC_last_failure_0, * and there might be a RSC_monitor_INTERVAL entry with the last successful * or pending result. * * If last_failure contains the failure of the pending recurring monitor * we're processing here, and is newer, the action is no longer pending. * (Pending results have call ID -1, which sorts last, so the last failure * if any should be known.) */ if (failure_is_newer(history, last_failure)) { return; } if (strcmp(history->task, PCMK_ACTION_START) == 0) { pcmk__set_rsc_flags(history->rsc, pcmk__rsc_start_pending); set_active(history->rsc); } else if (strcmp(history->task, PCMK_ACTION_PROMOTE) == 0) { history->rsc->priv->orig_role = pcmk_role_promoted; } else if ((strcmp(history->task, PCMK_ACTION_MIGRATE_TO) == 0) && history->node->details->unclean) { /* A migrate_to action is pending on a unclean source, so force a stop * on the target. */ const char *migrate_target = NULL; pcmk_node_t *target = NULL; migrate_target = crm_element_value(history->xml, PCMK__META_MIGRATE_TARGET); target = pcmk_find_node(history->rsc->priv->scheduler, migrate_target); if (target != NULL) { stop_action(history->rsc, target, FALSE); } } if (history->rsc->priv->pending_action != NULL) { /* There should never be multiple pending actions, but as a failsafe, * just remember the first one processed for display purposes. */ return; } if (pcmk_is_probe(history->task, history->interval_ms)) { /* Pending probes are currently never displayed, even if pending * operations are requested. If we ever want to change that, * enable the below and the corresponding part of * native.c:native_pending_action(). */ #if 0 history->rsc->private->pending_action = strdup("probe"); history->rsc->private->pending_node = history->node; #endif } else { history->rsc->priv->pending_action = strdup(history->task); history->rsc->priv->pending_node = history->node; } } static void unpack_rsc_op(pcmk_resource_t *rsc, pcmk_node_t *node, xmlNode *xml_op, xmlNode **last_failure, enum pcmk__on_fail *on_fail) { int old_rc = 0; bool expired = false; pcmk_resource_t *parent = rsc; enum rsc_role_e fail_role = pcmk_role_unknown; enum pcmk__on_fail failure_strategy = pcmk__on_fail_restart; struct action_history history = { .rsc = rsc, .node = node, .xml = xml_op, .execution_status = PCMK_EXEC_UNKNOWN, }; CRM_CHECK(rsc && node && xml_op, return); history.id = pcmk__xe_id(xml_op); if (history.id == NULL) { pcmk__config_err("Ignoring resource history entry for %s on %s " "without ID", rsc->id, pcmk__node_name(node)); return; } // Task and interval history.task = crm_element_value(xml_op, PCMK_XA_OPERATION); if (history.task == NULL) { pcmk__config_err("Ignoring resource history entry %s for %s on %s " "without " PCMK_XA_OPERATION, history.id, rsc->id, pcmk__node_name(node)); return; } crm_element_value_ms(xml_op, PCMK_META_INTERVAL, &(history.interval_ms)); if (!can_affect_state(&history)) { pcmk__rsc_trace(rsc, "Ignoring resource history entry %s for %s on %s " "with irrelevant action '%s'", history.id, rsc->id, pcmk__node_name(node), history.task); return; } if (unpack_action_result(&history) != pcmk_rc_ok) { return; // Error already logged } history.expected_exit_status = pe__target_rc_from_xml(xml_op); history.key = pcmk__xe_history_key(xml_op); crm_element_value_int(xml_op, PCMK__XA_CALL_ID, &(history.call_id)); pcmk__rsc_trace(rsc, "Unpacking %s (%s call %d on %s): %s (%s)", history.id, history.task, history.call_id, pcmk__node_name(node), pcmk_exec_status_str(history.execution_status), crm_exit_str(history.exit_status)); if (node->details->unclean) { pcmk__rsc_trace(rsc, "%s is running on %s, which is unclean (further action " "depends on value of stop's on-fail attribute)", rsc->id, pcmk__node_name(node)); } expired = check_operation_expiry(&history); old_rc = history.exit_status; remap_operation(&history, on_fail, expired); if (expired && (process_expired_result(&history, old_rc) == pcmk_rc_ok)) { goto done; } if (!pcmk__is_bundled(rsc) && pcmk_xe_mask_probe_failure(xml_op)) { mask_probe_failure(&history, old_rc, *last_failure, on_fail); goto done; } if (!pcmk_is_set(rsc->flags, pcmk__rsc_unique)) { parent = uber_parent(rsc); } switch (history.execution_status) { case PCMK_EXEC_PENDING: process_pending_action(&history, *last_failure); goto done; case PCMK_EXEC_DONE: update_resource_state(&history, history.exit_status, *last_failure, on_fail); goto done; case PCMK_EXEC_NOT_INSTALLED: unpack_failure_handling(&history, &failure_strategy, &fail_role); if (failure_strategy == pcmk__on_fail_ignore) { crm_warn("Cannot ignore failed %s of %s on %s: " "Resource agent doesn't exist " QB_XS " status=%d rc=%d id=%s", history.task, rsc->id, pcmk__node_name(node), history.execution_status, history.exit_status, history.id); /* Also for printing it as "FAILED" by marking it as * pcmk__rsc_failed later */ *on_fail = pcmk__on_fail_ban; } resource_location(parent, node, -PCMK_SCORE_INFINITY, "hard-error", rsc->priv->scheduler); unpack_rsc_op_failure(&history, failure_strategy, fail_role, last_failure, on_fail); goto done; case PCMK_EXEC_NOT_CONNECTED: if (pcmk__is_pacemaker_remote_node(node) && pcmk_is_set(node->priv->remote->flags, pcmk__rsc_managed)) { /* We should never get into a situation where a managed remote * connection resource is considered OK but a resource action * behind the connection gets a "not connected" status. But as a * fail-safe in case a bug or unusual circumstances do lead to * that, ensure the remote connection is considered failed. */ pcmk__set_rsc_flags(node->priv->remote, pcmk__rsc_failed|pcmk__rsc_stop_if_failed); } break; // Not done, do error handling case PCMK_EXEC_ERROR: case PCMK_EXEC_ERROR_HARD: case PCMK_EXEC_ERROR_FATAL: case PCMK_EXEC_TIMEOUT: case PCMK_EXEC_NOT_SUPPORTED: case PCMK_EXEC_INVALID: break; // Not done, do error handling default: // No other value should be possible at this point break; } unpack_failure_handling(&history, &failure_strategy, &fail_role); if ((failure_strategy == pcmk__on_fail_ignore) || ((failure_strategy == pcmk__on_fail_restart_container) && (strcmp(history.task, PCMK_ACTION_STOP) == 0))) { char *last_change_s = last_change_str(xml_op); crm_warn("Pretending failed %s (%s%s%s) of %s on %s at %s succeeded " QB_XS " %s", history.task, services_ocf_exitcode_str(history.exit_status), (pcmk__str_empty(history.exit_reason)? "" : ": "), pcmk__s(history.exit_reason, ""), rsc->id, pcmk__node_name(node), last_change_s, history.id); free(last_change_s); update_resource_state(&history, history.expected_exit_status, *last_failure, on_fail); crm_xml_add(xml_op, PCMK_XA_UNAME, node->priv->name); pcmk__set_rsc_flags(rsc, pcmk__rsc_ignore_failure); record_failed_op(&history); if ((failure_strategy == pcmk__on_fail_restart_container) && (*on_fail <= pcmk__on_fail_restart)) { *on_fail = failure_strategy; } } else { unpack_rsc_op_failure(&history, failure_strategy, fail_role, last_failure, on_fail); if (history.execution_status == PCMK_EXEC_ERROR_HARD) { uint8_t log_level = LOG_ERR; if (history.exit_status == PCMK_OCF_NOT_INSTALLED) { log_level = LOG_NOTICE; } do_crm_log(log_level, "Preventing %s from restarting on %s because " "of hard failure (%s%s%s) " QB_XS " %s", parent->id, pcmk__node_name(node), services_ocf_exitcode_str(history.exit_status), (pcmk__str_empty(history.exit_reason)? "" : ": "), pcmk__s(history.exit_reason, ""), history.id); resource_location(parent, node, -PCMK_SCORE_INFINITY, "hard-error", rsc->priv->scheduler); } else if (history.execution_status == PCMK_EXEC_ERROR_FATAL) { pcmk__sched_err(rsc->priv->scheduler, "Preventing %s from restarting anywhere because " "of fatal failure (%s%s%s) " QB_XS " %s", parent->id, services_ocf_exitcode_str(history.exit_status), (pcmk__str_empty(history.exit_reason)? "" : ": "), pcmk__s(history.exit_reason, ""), history.id); resource_location(parent, NULL, -PCMK_SCORE_INFINITY, "fatal-error", rsc->priv->scheduler); } } done: pcmk__rsc_trace(rsc, "%s role on %s after %s is %s (next %s)", rsc->id, pcmk__node_name(node), history.id, pcmk_role_text(rsc->priv->orig_role), pcmk_role_text(rsc->priv->next_role)); } static void add_node_attrs(const xmlNode *xml_obj, pcmk_node_t *node, bool overwrite, pcmk_scheduler_t *scheduler) { const char *cluster_name = NULL; const char *dc_id = crm_element_value(scheduler->input, PCMK_XA_DC_UUID); pe_rule_eval_data_t rule_data = { .node_hash = NULL, .now = scheduler->priv->now, .match_data = NULL, .rsc_data = NULL, .op_data = NULL }; pcmk__insert_dup(node->priv->attrs, CRM_ATTR_UNAME, node->priv->name); pcmk__insert_dup(node->priv->attrs, CRM_ATTR_ID, node->priv->id); if ((scheduler->dc_node == NULL) && pcmk__str_eq(node->priv->id, dc_id, pcmk__str_casei)) { scheduler->dc_node = node; pcmk__insert_dup(node->priv->attrs, CRM_ATTR_IS_DC, PCMK_VALUE_TRUE); } else if (!pcmk__same_node(node, scheduler->dc_node)) { pcmk__insert_dup(node->priv->attrs, CRM_ATTR_IS_DC, PCMK_VALUE_FALSE); } cluster_name = g_hash_table_lookup(scheduler->priv->options, PCMK_OPT_CLUSTER_NAME); if (cluster_name) { pcmk__insert_dup(node->priv->attrs, CRM_ATTR_CLUSTER_NAME, cluster_name); } pe__unpack_dataset_nvpairs(xml_obj, PCMK_XE_INSTANCE_ATTRIBUTES, &rule_data, node->priv->attrs, NULL, overwrite, scheduler); pe__unpack_dataset_nvpairs(xml_obj, PCMK_XE_UTILIZATION, &rule_data, node->priv->utilization, NULL, FALSE, scheduler); if (pcmk__node_attr(node, CRM_ATTR_SITE_NAME, NULL, pcmk__rsc_node_current) == NULL) { const char *site_name = pcmk__node_attr(node, "site-name", NULL, pcmk__rsc_node_current); if (site_name) { pcmk__insert_dup(node->priv->attrs, CRM_ATTR_SITE_NAME, site_name); } else if (cluster_name) { /* Default to cluster-name if unset */ pcmk__insert_dup(node->priv->attrs, CRM_ATTR_SITE_NAME, cluster_name); } } } static GList * extract_operations(const char *node, const char *rsc, xmlNode * rsc_entry, gboolean active_filter) { int counter = -1; int stop_index = -1; int start_index = -1; xmlNode *rsc_op = NULL; GList *gIter = NULL; GList *op_list = NULL; GList *sorted_op_list = NULL; /* extract operations */ op_list = NULL; sorted_op_list = NULL; for (rsc_op = pcmk__xe_first_child(rsc_entry, NULL, NULL, NULL); rsc_op != NULL; rsc_op = pcmk__xe_next(rsc_op)) { if (pcmk__xe_is(rsc_op, PCMK__XE_LRM_RSC_OP)) { crm_xml_add(rsc_op, PCMK_XA_RESOURCE, rsc); crm_xml_add(rsc_op, PCMK_XA_UNAME, node); op_list = g_list_prepend(op_list, rsc_op); } } if (op_list == NULL) { /* if there are no operations, there is nothing to do */ return NULL; } sorted_op_list = g_list_sort(op_list, sort_op_by_callid); /* create active recurring operations as optional */ if (active_filter == FALSE) { return sorted_op_list; } op_list = NULL; calculate_active_ops(sorted_op_list, &start_index, &stop_index); for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) { xmlNode *rsc_op = (xmlNode *) gIter->data; counter++; if (start_index < stop_index) { crm_trace("Skipping %s: not active", pcmk__xe_id(rsc_entry)); break; } else if (counter < start_index) { crm_trace("Skipping %s: old", pcmk__xe_id(rsc_op)); continue; } op_list = g_list_append(op_list, rsc_op); } g_list_free(sorted_op_list); return op_list; } GList * find_operations(const char *rsc, const char *node, gboolean active_filter, pcmk_scheduler_t *scheduler) { GList *output = NULL; GList *intermediate = NULL; xmlNode *tmp = NULL; xmlNode *status = pcmk__xe_first_child(scheduler->input, PCMK_XE_STATUS, NULL, NULL); pcmk_node_t *this_node = NULL; xmlNode *node_state = NULL; CRM_CHECK(status != NULL, return NULL); for (node_state = pcmk__xe_first_child(status, NULL, NULL, NULL); node_state != NULL; node_state = pcmk__xe_next(node_state)) { if (pcmk__xe_is(node_state, PCMK__XE_NODE_STATE)) { const char *uname = crm_element_value(node_state, PCMK_XA_UNAME); if (node != NULL && !pcmk__str_eq(uname, node, pcmk__str_casei)) { continue; } this_node = pcmk_find_node(scheduler, uname); if(this_node == NULL) { CRM_LOG_ASSERT(this_node != NULL); continue; } else if (pcmk__is_pacemaker_remote_node(this_node)) { determine_remote_online_status(scheduler, this_node); } else { determine_online_status(node_state, this_node, scheduler); } if (this_node->details->online || pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { /* offline nodes run no resources... * unless stonith is enabled in which case we need to * make sure rsc start events happen after the stonith */ xmlNode *lrm_rsc = NULL; tmp = pcmk__xe_first_child(node_state, PCMK__XE_LRM, NULL, NULL); tmp = pcmk__xe_first_child(tmp, PCMK__XE_LRM_RESOURCES, NULL, NULL); for (lrm_rsc = pcmk__xe_first_child(tmp, NULL, NULL, NULL); lrm_rsc != NULL; lrm_rsc = pcmk__xe_next(lrm_rsc)) { if (pcmk__xe_is(lrm_rsc, PCMK__XE_LRM_RESOURCE)) { const char *rsc_id = crm_element_value(lrm_rsc, PCMK_XA_ID); if (rsc != NULL && !pcmk__str_eq(rsc_id, rsc, pcmk__str_casei)) { continue; } intermediate = extract_operations(uname, rsc_id, lrm_rsc, active_filter); output = g_list_concat(output, intermediate); } } } } } return output; } diff --git a/lib/pengine/utils.c b/lib/pengine/utils.c index 2c0213c38b..e633e13b95 100644 --- a/lib/pengine/utils.c +++ b/lib/pengine/utils.c @@ -1,909 +1,912 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU Lesser General Public License * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include "pe_status_private.h" extern bool pcmk__is_daemon; gboolean ghash_free_str_str(gpointer key, gpointer value, gpointer user_data); /*! * \internal * \brief Check whether we can fence a particular node * * \param[in] scheduler Scheduler data * \param[in] node Name of node to check * * \return true if node can be fenced, false otherwise */ bool pe_can_fence(const pcmk_scheduler_t *scheduler, const pcmk_node_t *node) { if (pcmk__is_guest_or_bundle_node(node)) { /* A guest or bundle node is fenced by stopping its launcher, which is * possible if the launcher's host is either online or fenceable. */ pcmk_resource_t *rsc = node->priv->remote->priv->launcher; for (GList *n = rsc->priv->active_nodes; n != NULL; n = n->next) { pcmk_node_t *launcher_node = n->data; if (!launcher_node->details->online && !pe_can_fence(scheduler, launcher_node)) { return false; } } return true; } else if (!pcmk_is_set(scheduler->flags, pcmk__sched_fencing_enabled)) { return false; /* Turned off */ } else if (!pcmk_is_set(scheduler->flags, pcmk__sched_have_fencing)) { return false; /* No devices */ } else if (pcmk_is_set(scheduler->flags, pcmk__sched_quorate)) { return true; } else if (scheduler->no_quorum_policy == pcmk_no_quorum_ignore) { return true; } else if(node == NULL) { return false; } else if(node->details->online) { crm_notice("We can fence %s without quorum because they're in our membership", pcmk__node_name(node)); return true; } crm_trace("Cannot fence %s", pcmk__node_name(node)); return false; } /*! * \internal * \brief Copy a node object * * \param[in] this_node Node object to copy * * \return Newly allocated shallow copy of this_node * \note This function asserts on errors and is guaranteed to return non-NULL. */ pcmk_node_t * pe__copy_node(const pcmk_node_t *this_node) { pcmk_node_t *new_node = NULL; CRM_ASSERT(this_node != NULL); new_node = pcmk__assert_alloc(1, sizeof(pcmk_node_t)); new_node->assign = pcmk__assert_alloc(1, sizeof(struct pcmk__node_assignment)); new_node->assign->probe_mode = this_node->assign->probe_mode; new_node->assign->score = this_node->assign->score; new_node->assign->count = this_node->assign->count; new_node->details = this_node->details; new_node->priv = this_node->priv; return new_node; } /*! * \internal * \brief Create a node hash table from a node list * * \param[in] list Node list * * \return Hash table equivalent of node list */ GHashTable * pe__node_list2table(const GList *list) { GHashTable *result = NULL; result = pcmk__strkey_table(NULL, free); for (const GList *gIter = list; gIter != NULL; gIter = gIter->next) { pcmk_node_t *new_node = NULL; new_node = pe__copy_node((const pcmk_node_t *) gIter->data); g_hash_table_insert(result, (gpointer) new_node->priv->id, new_node); } return result; } /*! * \internal * \brief Compare two nodes by name, with numeric portions sorted numerically * * Sort two node names case-insensitively like strcasecmp(), but with any * numeric portions of the name sorted numerically. For example, "node10" will * sort higher than "node9" but lower than "remotenode9". * * \param[in] a First node to compare (can be \c NULL) * \param[in] b Second node to compare (can be \c NULL) * * \retval -1 \c a comes before \c b (or \c a is \c NULL and \c b is not) * \retval 0 \c a and \c b are equal (or both are \c NULL) * \retval 1 \c a comes after \c b (or \c b is \c NULL and \c a is not) */ gint pe__cmp_node_name(gconstpointer a, gconstpointer b) { const pcmk_node_t *node1 = (const pcmk_node_t *) a; const pcmk_node_t *node2 = (const pcmk_node_t *) b; if ((node1 == NULL) && (node2 == NULL)) { return 0; } if (node1 == NULL) { return -1; } if (node2 == NULL) { return 1; } return pcmk__numeric_strcasecmp(node1->priv->name, node2->priv->name); } /*! * \internal * \brief Output node weights to stdout * * \param[in] rsc Use allowed nodes for this resource * \param[in] comment Text description to prefix lines with * \param[in] nodes If rsc is not specified, use these nodes * \param[in,out] scheduler Scheduler data */ static void pe__output_node_weights(const pcmk_resource_t *rsc, const char *comment, GHashTable *nodes, pcmk_scheduler_t *scheduler) { pcmk__output_t *out = scheduler->priv->out; // Sort the nodes so the output is consistent for regression tests GList *list = g_list_sort(g_hash_table_get_values(nodes), pe__cmp_node_name); for (const GList *gIter = list; gIter != NULL; gIter = gIter->next) { const pcmk_node_t *node = (const pcmk_node_t *) gIter->data; out->message(out, "node-weight", rsc, comment, node->priv->name, pcmk_readable_score(node->assign->score)); } g_list_free(list); } /*! * \internal * \brief Log node weights at trace level * * \param[in] file Caller's filename * \param[in] function Caller's function name * \param[in] line Caller's line number * \param[in] rsc If not NULL, include this resource's ID in logs * \param[in] comment Text description to prefix lines with * \param[in] nodes Nodes whose scores should be logged */ static void pe__log_node_weights(const char *file, const char *function, int line, const pcmk_resource_t *rsc, const char *comment, GHashTable *nodes) { GHashTableIter iter; pcmk_node_t *node = NULL; // Don't waste time if we're not tracing at this point pcmk__if_tracing({}, return); g_hash_table_iter_init(&iter, nodes); while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) { if (rsc) { qb_log_from_external_source(function, file, "%s: %s allocation score on %s: %s", LOG_TRACE, line, 0, comment, rsc->id, pcmk__node_name(node), pcmk_readable_score(node->assign->score)); } else { qb_log_from_external_source(function, file, "%s: %s = %s", LOG_TRACE, line, 0, comment, pcmk__node_name(node), pcmk_readable_score(node->assign->score)); } } } /*! * \internal * \brief Log or output node weights * * \param[in] file Caller's filename * \param[in] function Caller's function name * \param[in] line Caller's line number * \param[in] to_log Log if true, otherwise output * \param[in] rsc If not NULL, use this resource's ID in logs, * and show scores recursively for any children * \param[in] comment Text description to prefix lines with * \param[in] nodes Nodes whose scores should be shown * \param[in,out] scheduler Scheduler data */ void pe__show_node_scores_as(const char *file, const char *function, int line, bool to_log, const pcmk_resource_t *rsc, const char *comment, GHashTable *nodes, pcmk_scheduler_t *scheduler) { if ((rsc != NULL) && pcmk_is_set(rsc->flags, pcmk__rsc_removed)) { // Don't show allocation scores for orphans return; } if (nodes == NULL) { // Nothing to show return; } if (to_log) { pe__log_node_weights(file, function, line, rsc, comment, nodes); } else { pe__output_node_weights(rsc, comment, nodes, scheduler); } if (rsc == NULL) { return; } // If this resource has children, repeat recursively for each for (GList *gIter = rsc->priv->children; gIter != NULL; gIter = gIter->next) { pcmk_resource_t *child = (pcmk_resource_t *) gIter->data; pe__show_node_scores_as(file, function, line, to_log, child, comment, child->priv->allowed_nodes, scheduler); } } /*! * \internal * \brief Compare two resources by priority * * \param[in] a First resource to compare (can be \c NULL) * \param[in] b Second resource to compare (can be \c NULL) * * \retval -1 a's priority > b's priority (or \c b is \c NULL and \c a is not) * \retval 0 a's priority == b's priority (or both \c a and \c b are \c NULL) * \retval 1 a's priority < b's priority (or \c a is \c NULL and \c b is not) */ gint pe__cmp_rsc_priority(gconstpointer a, gconstpointer b) { const pcmk_resource_t *resource1 = (const pcmk_resource_t *)a; const pcmk_resource_t *resource2 = (const pcmk_resource_t *)b; if (a == NULL && b == NULL) { return 0; } if (a == NULL) { return 1; } if (b == NULL) { return -1; } if (resource1->priv->priority > resource2->priv->priority) { return -1; } if (resource1->priv->priority < resource2->priv->priority) { return 1; } return 0; } static void resource_node_score(pcmk_resource_t *rsc, const pcmk_node_t *node, int score, const char *tag) { pcmk_node_t *match = NULL; if ((pcmk_is_set(rsc->flags, pcmk__rsc_exclusive_probes) || (node->assign->probe_mode == pcmk__probe_never)) && pcmk__str_eq(tag, "symmetric_default", pcmk__str_casei)) { /* This string comparision may be fragile, but exclusive resources and * exclusive nodes should not have the symmetric_default constraint * applied to them. */ return; } else { for (GList *gIter = rsc->priv->children; gIter != NULL; gIter = gIter->next) { pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data; resource_node_score(child_rsc, node, score, tag); } } match = g_hash_table_lookup(rsc->priv->allowed_nodes, node->priv->id); if (match == NULL) { match = pe__copy_node(node); g_hash_table_insert(rsc->priv->allowed_nodes, (gpointer) match->priv->id, match); } match->assign->score = pcmk__add_scores(match->assign->score, score); pcmk__rsc_trace(rsc, "Enabling %s preference (%s) for %s on %s (now %s)", tag, pcmk_readable_score(score), rsc->id, pcmk__node_name(node), pcmk_readable_score(match->assign->score)); } void resource_location(pcmk_resource_t *rsc, const pcmk_node_t *node, int score, const char *tag, pcmk_scheduler_t *scheduler) { if (node != NULL) { resource_node_score(rsc, node, score, tag); } else if (scheduler != NULL) { GList *gIter = scheduler->nodes; for (; gIter != NULL; gIter = gIter->next) { pcmk_node_t *node_iter = (pcmk_node_t *) gIter->data; resource_node_score(rsc, node_iter, score, tag); } } else { GHashTableIter iter; pcmk_node_t *node_iter = NULL; g_hash_table_iter_init(&iter, rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&node_iter)) { resource_node_score(rsc, node_iter, score, tag); } } if ((node == NULL) && (score == -PCMK_SCORE_INFINITY) && (rsc->priv->assigned_node != NULL)) { // @TODO Should this be more like pcmk__unassign_resource()? crm_info("Unassigning %s from %s", rsc->id, pcmk__node_name(rsc->priv->assigned_node)); free(rsc->priv->assigned_node); rsc->priv->assigned_node = NULL; } } time_t get_effective_time(pcmk_scheduler_t *scheduler) { if(scheduler) { if (scheduler->priv->now == NULL) { crm_trace("Recording a new 'now'"); scheduler->priv->now = crm_time_new(NULL); } return crm_time_get_seconds_since_epoch(scheduler->priv->now); } crm_trace("Defaulting to 'now'"); return time(NULL); } gboolean get_target_role(const pcmk_resource_t *rsc, enum rsc_role_e *role) { enum rsc_role_e local_role = pcmk_role_unknown; const char *value = g_hash_table_lookup(rsc->priv->meta, PCMK_META_TARGET_ROLE); CRM_CHECK(role != NULL, return FALSE); if (pcmk__str_eq(value, PCMK_ROLE_STARTED, pcmk__str_null_matches|pcmk__str_casei)) { return FALSE; } if (pcmk__str_eq(PCMK_VALUE_DEFAULT, value, pcmk__str_casei)) { // @COMPAT Deprecated since 2.1.8 pcmk__config_warn("Support for setting " PCMK_META_TARGET_ROLE " to the explicit value '" PCMK_VALUE_DEFAULT "' is deprecated and will be removed in a " "future release (just leave it unset)"); return FALSE; } local_role = pcmk_parse_role(value); if (local_role == pcmk_role_unknown) { pcmk__config_err("Ignoring '" PCMK_META_TARGET_ROLE "' for %s " "because '%s' is not valid", rsc->id, value); return FALSE; } else if (local_role > pcmk_role_started) { if (pcmk_is_set(pe__const_top_resource(rsc, false)->flags, pcmk__rsc_promotable)) { if (local_role > pcmk_role_unpromoted) { /* This is what we'd do anyway, just leave the default to avoid messing up the placement algorithm */ return FALSE; } } else { pcmk__config_err("Ignoring '" PCMK_META_TARGET_ROLE "' for %s " "because '%s' only makes sense for promotable " "clones", rsc->id, value); return FALSE; } } *role = local_role; return TRUE; } gboolean order_actions(pcmk_action_t *lh_action, pcmk_action_t *rh_action, uint32_t flags) { GList *gIter = NULL; pcmk__related_action_t *wrapper = NULL; GList *list = NULL; if (flags == pcmk__ar_none) { return FALSE; } if (lh_action == NULL || rh_action == NULL) { return FALSE; } crm_trace("Creating action wrappers for ordering: %s then %s", lh_action->uuid, rh_action->uuid); /* Ensure we never create a dependency on ourselves... it's happened */ CRM_ASSERT(lh_action != rh_action); /* Filter dups, otherwise update_action_states() has too much work to do */ gIter = lh_action->actions_after; for (; gIter != NULL; gIter = gIter->next) { pcmk__related_action_t *after = gIter->data; if ((after->action == rh_action) && pcmk_any_flags_set(after->flags, flags)) { return FALSE; } } wrapper = pcmk__assert_alloc(1, sizeof(pcmk__related_action_t)); wrapper->action = rh_action; wrapper->flags = flags; list = lh_action->actions_after; list = g_list_prepend(list, wrapper); lh_action->actions_after = list; wrapper = pcmk__assert_alloc(1, sizeof(pcmk__related_action_t)); wrapper->action = lh_action; wrapper->flags = flags; list = rh_action->actions_before; list = g_list_prepend(list, wrapper); rh_action->actions_before = list; return TRUE; } void destroy_ticket(gpointer data) { pcmk__ticket_t *ticket = data; if (ticket->state) { g_hash_table_destroy(ticket->state); } free(ticket->id); free(ticket); } pcmk__ticket_t * ticket_new(const char *ticket_id, pcmk_scheduler_t *scheduler) { pcmk__ticket_t *ticket = NULL; if (pcmk__str_empty(ticket_id)) { return NULL; } if (scheduler->priv->ticket_constraints == NULL) { scheduler->priv->ticket_constraints = pcmk__strkey_table(free, destroy_ticket); } ticket = g_hash_table_lookup(scheduler->priv->ticket_constraints, ticket_id); if (ticket == NULL) { ticket = calloc(1, sizeof(pcmk__ticket_t)); if (ticket == NULL) { pcmk__sched_err(scheduler, "Cannot allocate ticket '%s'", ticket_id); return NULL; } crm_trace("Creating ticket entry for %s", ticket_id); ticket->id = strdup(ticket_id); ticket->last_granted = -1; ticket->state = pcmk__strkey_table(free, free); g_hash_table_insert(scheduler->priv->ticket_constraints, pcmk__str_copy(ticket->id), ticket); } return ticket; } const char * rsc_printable_id(const pcmk_resource_t *rsc) { if (pcmk_is_set(rsc->flags, pcmk__rsc_unique)) { return rsc->id; } return pcmk__xe_id(rsc->priv->xml); } void pe__clear_resource_flags_recursive(pcmk_resource_t *rsc, uint64_t flags) { pcmk__clear_rsc_flags(rsc, flags); for (GList *gIter = rsc->priv->children; gIter != NULL; gIter = gIter->next) { pe__clear_resource_flags_recursive((pcmk_resource_t *) gIter->data, flags); } } void pe__clear_resource_flags_on_all(pcmk_scheduler_t *scheduler, uint64_t flag) { - for (GList *lpc = scheduler->resources; lpc != NULL; lpc = lpc->next) { + for (GList *lpc = scheduler->priv->resources; + lpc != NULL; lpc = lpc->next) { + pcmk_resource_t *r = (pcmk_resource_t *) lpc->data; + pe__clear_resource_flags_recursive(r, flag); } } void pe__set_resource_flags_recursive(pcmk_resource_t *rsc, uint64_t flags) { pcmk__set_rsc_flags(rsc, flags); for (GList *gIter = rsc->priv->children; gIter != NULL; gIter = gIter->next) { pe__set_resource_flags_recursive((pcmk_resource_t *) gIter->data, flags); } } void trigger_unfencing(pcmk_resource_t *rsc, pcmk_node_t *node, const char *reason, pcmk_action_t *dependency, pcmk_scheduler_t *scheduler) { if (!pcmk_is_set(scheduler->flags, pcmk__sched_enable_unfencing)) { /* No resources require it */ return; } else if ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk__rsc_fence_device)) { /* Wasn't a stonith device */ return; } else if(node && node->details->online && node->details->unclean == FALSE && node->details->shutdown == FALSE) { pcmk_action_t *unfence = pe_fence_op(node, PCMK_ACTION_ON, FALSE, reason, FALSE, scheduler); if(dependency) { order_actions(unfence, dependency, pcmk__ar_ordered); } } else if(rsc) { GHashTableIter iter; g_hash_table_iter_init(&iter, rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { if(node->details->online && node->details->unclean == FALSE && node->details->shutdown == FALSE) { trigger_unfencing(rsc, node, reason, dependency, scheduler); } } } } /*! * \internal * \brief Check whether shutdown has been requested for a node * * \param[in] node Node to check * * \return TRUE if node has shutdown attribute set and nonzero, FALSE otherwise * \note This differs from simply using node->details->shutdown in that it can * be used before that has been determined (and in fact to determine it), * and it can also be used to distinguish requested shutdown from implicit * shutdown of remote nodes by virtue of their connection stopping. */ bool pe__shutdown_requested(const pcmk_node_t *node) { const char *shutdown = pcmk__node_attr(node, PCMK__NODE_ATTR_SHUTDOWN, NULL, pcmk__rsc_node_current); return !pcmk__str_eq(shutdown, "0", pcmk__str_null_matches); } /*! * \internal * \brief Update "recheck by" time in scheduler data * * \param[in] recheck Epoch time when recheck should happen * \param[in,out] scheduler Scheduler data * \param[in] reason What time is being updated for (for logs) */ void pe__update_recheck_time(time_t recheck, pcmk_scheduler_t *scheduler, const char *reason) { if ((recheck > get_effective_time(scheduler)) && ((scheduler->recheck_by == 0) || (scheduler->recheck_by > recheck))) { scheduler->recheck_by = recheck; crm_debug("Updated next scheduler recheck to %s for %s", pcmk__trim(ctime(&recheck)), reason); } } /*! * \internal * \brief Extract nvpair blocks contained by a CIB XML element into a hash table * * \param[in] xml_obj XML element containing blocks of nvpair elements * \param[in] set_name If not NULL, only use blocks of this element * \param[in] rule_data Matching parameters to use when unpacking * \param[out] hash Where to store extracted name/value pairs * \param[in] always_first If not NULL, process block with this ID first * \param[in] overwrite Whether to replace existing values with same name * \param[in,out] scheduler Scheduler data containing \p xml_obj */ void pe__unpack_dataset_nvpairs(const xmlNode *xml_obj, const char *set_name, const pe_rule_eval_data_t *rule_data, GHashTable *hash, const char *always_first, gboolean overwrite, pcmk_scheduler_t *scheduler) { crm_time_t *next_change = crm_time_new_undefined(); pe_eval_nvpairs(scheduler->input, xml_obj, set_name, rule_data, hash, always_first, overwrite, next_change); if (crm_time_is_defined(next_change)) { time_t recheck = (time_t) crm_time_get_seconds_since_epoch(next_change); pe__update_recheck_time(recheck, scheduler, "rule evaluation"); } crm_time_free(next_change); } bool pe__resource_is_disabled(const pcmk_resource_t *rsc) { const char *target_role = NULL; CRM_CHECK(rsc != NULL, return false); target_role = g_hash_table_lookup(rsc->priv->meta, PCMK_META_TARGET_ROLE); if (target_role) { // If invalid, we've already logged an error when unpacking enum rsc_role_e target_role_e = pcmk_parse_role(target_role); if ((target_role_e == pcmk_role_stopped) || ((target_role_e == pcmk_role_unpromoted) && pcmk_is_set(pe__const_top_resource(rsc, false)->flags, pcmk__rsc_promotable))) { return true; } } return false; } /*! * \internal * \brief Check whether a resource is running only on given node * * \param[in] rsc Resource to check * \param[in] node Node to check * * \return true if \p rsc is running only on \p node, otherwise false */ bool pe__rsc_running_on_only(const pcmk_resource_t *rsc, const pcmk_node_t *node) { return (rsc != NULL) && pcmk__list_of_1(rsc->priv->active_nodes) && pcmk__same_node((const pcmk_node_t *) rsc->priv->active_nodes->data, node); } bool pe__rsc_running_on_any(pcmk_resource_t *rsc, GList *node_list) { if (rsc != NULL) { for (GList *ele = rsc->priv->active_nodes; ele; ele = ele->next) { pcmk_node_t *node = (pcmk_node_t *) ele->data; if (pcmk__str_in_list(node->priv->name, node_list, pcmk__str_star_matches|pcmk__str_casei)) { return true; } } } return false; } bool pcmk__rsc_filtered_by_node(pcmk_resource_t *rsc, GList *only_node) { return rsc->priv->fns->active(rsc, FALSE) && !pe__rsc_running_on_any(rsc, only_node); } GList * pe__filter_rsc_list(GList *rscs, GList *filter) { GList *retval = NULL; for (GList *gIter = rscs; gIter; gIter = gIter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data; /* I think the second condition is safe here for all callers of this * function. If not, it needs to move into pe__node_text. */ if (pcmk__str_in_list(rsc_printable_id(rsc), filter, pcmk__str_star_matches) || ((rsc->priv->parent != NULL) && pcmk__str_in_list(rsc_printable_id(rsc->priv->parent), filter, pcmk__str_star_matches))) { retval = g_list_prepend(retval, rsc); } } return retval; } GList * pe__build_node_name_list(pcmk_scheduler_t *scheduler, const char *s) { GList *nodes = NULL; if (pcmk__str_eq(s, "*", pcmk__str_null_matches)) { /* Nothing was given so return a list of all node names. Or, '*' was * given. This would normally fall into the pe__unames_with_tag branch * where it will return an empty list. Catch it here instead. */ nodes = g_list_prepend(nodes, strdup("*")); } else { pcmk_node_t *node = pcmk_find_node(scheduler, s); if (node) { /* The given string was a valid uname for a node. Return a * singleton list containing just that uname. */ nodes = g_list_prepend(nodes, strdup(s)); } else { /* The given string was not a valid uname. It's either a tag or * it's a typo or something. In the first case, we'll return a * list of all the unames of the nodes with the given tag. In the * second case, we'll return a NULL pointer and nothing will * get displayed. */ nodes = pe__unames_with_tag(scheduler, s); } } return nodes; } GList * pe__build_rsc_list(pcmk_scheduler_t *scheduler, const char *s) { GList *resources = NULL; if (pcmk__str_eq(s, "*", pcmk__str_null_matches)) { resources = g_list_prepend(resources, strdup("*")); } else { const uint32_t flags = pcmk_rsc_match_history|pcmk_rsc_match_basename; - pcmk_resource_t *rsc = pe_find_resource_with_flags(scheduler->resources, - s, flags); + pcmk_resource_t *rsc = + pe_find_resource_with_flags(scheduler->priv->resources, s, flags); if (rsc) { /* A colon in the name we were given means we're being asked to filter * on a specific instance of a cloned resource. Put that exact string * into the filter list. Otherwise, use the printable ID of whatever * resource was found that matches what was asked for. */ if (strstr(s, ":") != NULL) { resources = g_list_prepend(resources, strdup(rsc->id)); } else { resources = g_list_prepend(resources, strdup(rsc_printable_id(rsc))); } } else { /* The given string was not a valid resource name. It's a tag or a * typo or something. See pe__build_node_name_list() for more * detail. */ resources = pe__rscs_with_tag(scheduler, s); } } return resources; } xmlNode * pe__failed_probe_for_rsc(const pcmk_resource_t *rsc, const char *name) { const pcmk_resource_t *parent = pe__const_top_resource(rsc, false); const char *rsc_id = rsc->id; if (pcmk__is_clone(parent)) { rsc_id = pe__clone_child_id(parent); } for (xmlNode *xml_op = pcmk__xe_first_child(rsc->priv->scheduler->failed, NULL, NULL, NULL); xml_op != NULL; xml_op = pcmk__xe_next(xml_op)) { const char *value = NULL; char *op_id = NULL; /* This resource operation is not a failed probe. */ if (!pcmk_xe_mask_probe_failure(xml_op)) { continue; } /* This resource operation was not run on the given node. Note that if name is * NULL, this will always succeed. */ value = crm_element_value(xml_op, PCMK__META_ON_NODE); if (value == NULL || !pcmk__str_eq(value, name, pcmk__str_casei|pcmk__str_null_matches)) { continue; } if (!parse_op_key(pcmk__xe_history_key(xml_op), &op_id, NULL, NULL)) { continue; // This history entry is missing an operation key } /* This resource operation's ID does not match the rsc_id we are looking for. */ if (!pcmk__str_eq(op_id, rsc_id, pcmk__str_none)) { free(op_id); continue; } free(op_id); return xml_op; } return NULL; } diff --git a/tools/crm_resource.c b/tools/crm_resource.c index 76dace5c8c..065796b86d 100644 --- a/tools/crm_resource.c +++ b/tools/crm_resource.c @@ -1,2180 +1,2181 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include // uint32_t #include #include #include #include #include #include #include #include #include #include #include #include #define SUMMARY "crm_resource - perform tasks related to Pacemaker cluster resources" enum rsc_command { cmd_none = 0, // No command option given (yet) cmd_ban, cmd_cleanup, cmd_clear, cmd_colocations, cmd_cts, cmd_delete, cmd_delete_param, cmd_digests, cmd_execute_agent, cmd_fail, cmd_get_param, cmd_get_property, cmd_list_active_ops, cmd_list_agents, cmd_list_all_ops, cmd_list_alternatives, cmd_list_instances, cmd_list_options, cmd_list_providers, cmd_list_resources, cmd_list_standards, cmd_locate, cmd_metadata, cmd_move, cmd_query_xml, cmd_query_xml_raw, cmd_refresh, cmd_restart, cmd_set_param, cmd_set_property, cmd_wait, cmd_why, }; struct { enum rsc_command rsc_cmd; // crm_resource command to perform // Command-line option values gchar *rsc_id; // Value of --resource gchar *rsc_type; // Value of --resource-type gboolean all; // --all was given gboolean force; // --force was given gboolean clear_expired; // --expired was given gboolean recursive; // --recursive was given gboolean promoted_role_only; // --promoted was given gchar *host_uname; // Value of --node gchar *interval_spec; // Value of --interval gchar *move_lifetime; // Value of --lifetime gchar *operation; // Value of --operation enum pcmk__opt_flags opt_list; // Parsed from --list-options const char *attr_set_type; // Instance, meta, utilization, or element attribute gchar *prop_id; // --nvpair (attribute XML ID) char *prop_name; // Attribute name gchar *prop_set; // --set-name (attribute block XML ID) gchar *prop_value; // --parameter-value (attribute value) guint timeout_ms; // Parsed from --timeout value char *agent_spec; // Standard and/or provider and/or agent gchar *xml_file; // Value of (deprecated) --xml-file int check_level; // Optional value of --validate or --force-check // Resource configuration specified via command-line arguments bool cmdline_config; // Resource configuration was via arguments char *v_agent; // Value of --agent char *v_class; // Value of --class char *v_provider; // Value of --provider GHashTable *cmdline_params; // Resource parameters specified // Positional command-line arguments gchar **remainder; // Positional arguments as given GHashTable *override_params; // Resource parameter values that override config } options = { .attr_set_type = PCMK_XE_INSTANCE_ATTRIBUTES, .check_level = -1, .rsc_cmd = cmd_list_resources, // List all resources if no command given }; gboolean attr_set_type_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error); gboolean cmdline_config_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error); gboolean option_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error); gboolean timeout_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error); static crm_exit_t exit_code = CRM_EX_OK; static pcmk__output_t *out = NULL; static pcmk__common_args_t *args = NULL; // Things that should be cleaned up on exit static GError *error = NULL; static GMainLoop *mainloop = NULL; static cib_t *cib_conn = NULL; static pcmk_ipc_api_t *controld_api = NULL; static pcmk_scheduler_t *scheduler = NULL; #define MESSAGE_TIMEOUT_S 60 #define INDENT " " static pcmk__supported_format_t formats[] = { PCMK__SUPPORTED_FORMAT_NONE, PCMK__SUPPORTED_FORMAT_TEXT, PCMK__SUPPORTED_FORMAT_XML, { NULL, NULL, NULL } }; // Clean up and exit static crm_exit_t bye(crm_exit_t ec) { pcmk__output_and_clear_error(&error, out); if (out != NULL) { out->finish(out, ec, true, NULL); pcmk__output_free(out); } pcmk__unregister_formats(); if (cib_conn != NULL) { cib_t *save_cib_conn = cib_conn; cib_conn = NULL; // Ensure we can't free this twice cib__clean_up_connection(&save_cib_conn); } if (controld_api != NULL) { pcmk_ipc_api_t *save_controld_api = controld_api; controld_api = NULL; // Ensure we can't free this twice pcmk_free_ipc_api(save_controld_api); } if (mainloop != NULL) { g_main_loop_unref(mainloop); mainloop = NULL; } pe_free_working_set(scheduler); scheduler = NULL; crm_exit(ec); return ec; } static void quit_main_loop(crm_exit_t ec) { exit_code = ec; if (mainloop != NULL) { GMainLoop *mloop = mainloop; mainloop = NULL; // Don't re-enter this block pcmk_quit_main_loop(mloop, 10); g_main_loop_unref(mloop); } } static gboolean resource_ipc_timeout(gpointer data) { // Start with newline because "Waiting for ..." message doesn't have one if (error != NULL) { g_clear_error(&error); } g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_TIMEOUT, _("Aborting because no messages received in %d seconds"), MESSAGE_TIMEOUT_S); quit_main_loop(CRM_EX_TIMEOUT); return FALSE; } static void controller_event_callback(pcmk_ipc_api_t *api, enum pcmk_ipc_event event_type, crm_exit_t status, void *event_data, void *user_data) { switch (event_type) { case pcmk_ipc_event_disconnect: if (exit_code == CRM_EX_DISCONNECT) { // Unexpected crm_info("Connection to controller was terminated"); } quit_main_loop(exit_code); break; case pcmk_ipc_event_reply: if (status != CRM_EX_OK) { out->err(out, "Error: bad reply from controller: %s", crm_exit_str(status)); pcmk_disconnect_ipc(api); quit_main_loop(status); } else { if ((pcmk_controld_api_replies_expected(api) == 0) && mainloop && g_main_loop_is_running(mainloop)) { out->info(out, "... got reply (done)"); crm_debug("Got all the replies we expected"); pcmk_disconnect_ipc(api); quit_main_loop(CRM_EX_OK); } else { out->info(out, "... got reply"); } } break; default: break; } } static void start_mainloop(pcmk_ipc_api_t *capi) { unsigned int count = pcmk_controld_api_replies_expected(capi); if (count > 0) { out->info(out, "Waiting for %u %s from the controller", count, pcmk__plural_alt(count, "reply", "replies")); exit_code = CRM_EX_DISCONNECT; // For unexpected disconnects mainloop = g_main_loop_new(NULL, FALSE); g_timeout_add(MESSAGE_TIMEOUT_S * 1000, resource_ipc_timeout, NULL); g_main_loop_run(mainloop); } } static int compare_id(gconstpointer a, gconstpointer b) { return strcmp((const char *)a, (const char *)b); } static GList * build_constraint_list(xmlNode *root) { GList *retval = NULL; xmlNode *cib_constraints = NULL; xmlXPathObjectPtr xpathObj = NULL; int ndx = 0; cib_constraints = pcmk_find_cib_element(root, PCMK_XE_CONSTRAINTS); xpathObj = xpath_search(cib_constraints, "//" PCMK_XE_RSC_LOCATION); for (ndx = 0; ndx < numXpathResults(xpathObj); ndx++) { xmlNode *match = getXpathResult(xpathObj, ndx); retval = g_list_insert_sorted(retval, (gpointer) pcmk__xe_id(match), compare_id); } freeXpathObject(xpathObj); return retval; } static gboolean validate_opt_list(const gchar *optarg) { if (pcmk__str_eq(optarg, PCMK_VALUE_FENCING, pcmk__str_none)) { options.opt_list = pcmk__opt_fencing; } else if (pcmk__str_eq(optarg, PCMK__VALUE_PRIMITIVE, pcmk__str_none)) { options.opt_list = pcmk__opt_primitive; } else { return FALSE; } return TRUE; } /*! * \internal * \brief Process options that set the command * * Nothing else should set \c options.rsc_cmd. * * \param[in] option_name Name of the option being parsed * \param[in] optarg Value to be parsed * \param[in] data Ignored * \param[out] error Where to store recoverable error, if any * * \return \c TRUE if the option was successfully parsed, or \c FALSE if an * error occurred, in which case \p *error is set */ static gboolean command_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { // Sorted by enum rsc_command name if (pcmk__str_any_of(option_name, "-B", "--ban", NULL)) { options.rsc_cmd = cmd_ban; } else if (pcmk__str_any_of(option_name, "-C", "--cleanup", NULL)) { options.rsc_cmd = cmd_cleanup; } else if (pcmk__str_any_of(option_name, "-U", "--clear", NULL)) { options.rsc_cmd = cmd_clear; } else if (pcmk__str_any_of(option_name, "-a", "--constraints", NULL)) { options.rsc_cmd = cmd_colocations; } else if (pcmk__str_any_of(option_name, "-A", "--stack", NULL)) { options.rsc_cmd = cmd_colocations; options.recursive = TRUE; } else if (pcmk__str_any_of(option_name, "-c", "--list-cts", NULL)) { options.rsc_cmd = cmd_cts; } else if (pcmk__str_any_of(option_name, "-D", "--delete", NULL)) { options.rsc_cmd = cmd_delete; } else if (pcmk__str_any_of(option_name, "-d", "--delete-parameter", NULL)) { options.rsc_cmd = cmd_delete_param; pcmk__str_update(&options.prop_name, optarg); } else if (pcmk__str_eq(option_name, "--digests", pcmk__str_none)) { options.rsc_cmd = cmd_digests; if (options.override_params == NULL) { options.override_params = pcmk__strkey_table(free, free); } } else if (pcmk__str_any_of(option_name, "--force-demote", "--force-promote", "--force-start", "--force-stop", "--force-check", "--validate", NULL)) { options.rsc_cmd = cmd_execute_agent; g_free(options.operation); options.operation = g_strdup(option_name + 2); // skip "--" if (options.override_params == NULL) { options.override_params = pcmk__strkey_table(free, free); } if (optarg != NULL) { if (pcmk__scan_min_int(optarg, &options.check_level, 0) != pcmk_rc_ok) { g_set_error(error, G_OPTION_ERROR, CRM_EX_INVALID_PARAM, _("Invalid check level setting: %s"), optarg); return FALSE; } } } else if (pcmk__str_any_of(option_name, "-F", "--fail", NULL)) { options.rsc_cmd = cmd_fail; } else if (pcmk__str_any_of(option_name, "-g", "--get-parameter", NULL)) { options.rsc_cmd = cmd_get_param; pcmk__str_update(&options.prop_name, optarg); } else if (pcmk__str_any_of(option_name, "-G", "--get-property", NULL)) { options.rsc_cmd = cmd_get_property; pcmk__str_update(&options.prop_name, optarg); } else if (pcmk__str_any_of(option_name, "-O", "--list-operations", NULL)) { options.rsc_cmd = cmd_list_active_ops; } else if (pcmk__str_eq(option_name, "--list-agents", pcmk__str_none)) { options.rsc_cmd = cmd_list_agents; pcmk__str_update(&options.agent_spec, optarg); } else if (pcmk__str_any_of(option_name, "-o", "--list-all-operations", NULL)) { options.rsc_cmd = cmd_list_all_ops; } else if (pcmk__str_eq(option_name, "--list-ocf-alternatives", pcmk__str_none)) { options.rsc_cmd = cmd_list_alternatives; pcmk__str_update(&options.agent_spec, optarg); } else if (pcmk__str_eq(option_name, "--list-options", pcmk__str_none)) { options.rsc_cmd = cmd_list_options; return validate_opt_list(optarg); } else if (pcmk__str_any_of(option_name, "-l", "--list-raw", NULL)) { options.rsc_cmd = cmd_list_instances; } else if (pcmk__str_eq(option_name, "--list-ocf-providers", pcmk__str_none)) { options.rsc_cmd = cmd_list_providers; pcmk__str_update(&options.agent_spec, optarg); } else if (pcmk__str_any_of(option_name, "-L", "--list", NULL)) { options.rsc_cmd = cmd_list_resources; } else if (pcmk__str_eq(option_name, "--list-standards", pcmk__str_none)) { options.rsc_cmd = cmd_list_standards; } else if (pcmk__str_any_of(option_name, "-W", "--locate", NULL)) { options.rsc_cmd = cmd_locate; } else if (pcmk__str_eq(option_name, "--show-metadata", pcmk__str_none)) { options.rsc_cmd = cmd_metadata; pcmk__str_update(&options.agent_spec, optarg); } else if (pcmk__str_any_of(option_name, "-M", "--move", NULL)) { options.rsc_cmd = cmd_move; } else if (pcmk__str_any_of(option_name, "-q", "--query-xml", NULL)) { options.rsc_cmd = cmd_query_xml; } else if (pcmk__str_any_of(option_name, "-w", "--query-xml-raw", NULL)) { options.rsc_cmd = cmd_query_xml_raw; } else if (pcmk__str_any_of(option_name, "-R", "--refresh", NULL)) { options.rsc_cmd = cmd_refresh; } else if (pcmk__str_eq(option_name, "--restart", pcmk__str_none)) { options.rsc_cmd = cmd_restart; } else if (pcmk__str_any_of(option_name, "-p", "--set-parameter", NULL)) { options.rsc_cmd = cmd_set_param; pcmk__str_update(&options.prop_name, optarg); } else if (pcmk__str_any_of(option_name, "-S", "--set-property", NULL)) { options.rsc_cmd = cmd_set_property; pcmk__str_update(&options.prop_name, optarg); } else if (pcmk__str_eq(option_name, "--wait", pcmk__str_none)) { options.rsc_cmd = cmd_wait; } else if (pcmk__str_any_of(option_name, "-Y", "--why", NULL)) { options.rsc_cmd = cmd_why; } return TRUE; } /* short option letters still available: eEJkKXyYZ */ static GOptionEntry query_entries[] = { { "list", 'L', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "List all cluster resources with status", NULL }, { "list-raw", 'l', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "List IDs of all instantiated resources (individual members\n" INDENT "rather than groups etc.)", NULL }, { "list-cts", 'c', G_OPTION_FLAG_HIDDEN|G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, NULL, NULL }, { "list-operations", 'O', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "List active resource operations, optionally filtered by\n" INDENT "--resource and/or --node", NULL }, { "list-all-operations", 'o', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "List all resource operations, optionally filtered by\n" INDENT "--resource and/or --node", NULL }, { "list-options", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "List all available options of the given type.\n" INDENT "Allowed values:\n" INDENT PCMK__VALUE_PRIMITIVE " (primitive resource meta-attributes),\n" INDENT PCMK_VALUE_FENCING " (parameters common to all fencing resources)", "TYPE" }, { "list-standards", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "List supported standards", NULL }, { "list-ocf-providers", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "List all available OCF providers", NULL }, { "list-agents", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "List all agents available for the named standard and/or provider", "STD:PROV" }, { "list-ocf-alternatives", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "List all available providers for the named OCF agent", "AGENT" }, { "show-metadata", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "Show the metadata for the named class:provider:agent", "SPEC" }, { "query-xml", 'q', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Show XML configuration of resource (after any template expansion)", NULL }, { "query-xml-raw", 'w', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Show XML configuration of resource (before any template expansion)", NULL }, { "get-parameter", 'g', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "Display named parameter for resource (use instance attribute\n" INDENT "unless --element, --meta, or --utilization is specified)", "PARAM" }, { "get-property", 'G', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, command_cb, "Display named property of resource ('class', 'type', or 'provider') " "(requires --resource)", "PROPERTY" }, { "locate", 'W', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Show node(s) currently running resource", NULL }, { "constraints", 'a', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Display the location and colocation constraints that apply to a\n" INDENT "resource, and if --recursive is specified, to the resources\n" INDENT "directly or indirectly involved in those colocations.\n" INDENT "If the named resource is part of a group, or a clone or\n" INDENT "bundle instance, constraints for the collective resource\n" INDENT "will be shown unless --force is given.", NULL }, { "stack", 'A', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Equivalent to --constraints --recursive", NULL }, { "why", 'Y', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Show why resources are not running, optionally filtered by\n" INDENT "--resource and/or --node", NULL }, { NULL } }; static GOptionEntry command_entries[] = { { "validate", 0, G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Validate resource configuration by calling agent's validate-all\n" INDENT "action. The configuration may be specified either by giving an\n" INDENT "existing resource name with -r, or by specifying --class,\n" INDENT "--agent, and --provider arguments, along with any number of\n" INDENT "--option arguments. An optional LEVEL argument can be given\n" INDENT "to control the level of checking performed.", "LEVEL" }, { "cleanup", 'C', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "If resource has any past failures, clear its history and fail\n" INDENT "count. Optionally filtered by --resource, --node, --operation\n" INDENT "and --interval (otherwise all). --operation and --interval\n" INDENT "apply to fail counts, but entire history is always clear, to\n" INDENT "allow current state to be rechecked. If the named resource is\n" INDENT "part of a group, or one numbered instance of a clone or bundled\n" INDENT "resource, the clean-up applies to the whole collective resource\n" INDENT "unless --force is given.", NULL }, { "refresh", 'R', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Delete resource's history (including failures) so its current state\n" INDENT "is rechecked. Optionally filtered by --resource and --node\n" INDENT "(otherwise all). If the named resource is part of a group, or one\n" INDENT "numbered instance of a clone or bundled resource, the refresh\n" INDENT "applies to the whole collective resource unless --force is given.", NULL }, { "set-parameter", 'p', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "Set named parameter for resource (requires -v). Use instance\n" INDENT "attribute unless --element, --meta, or --utilization is " "specified.", "PARAM" }, { "delete-parameter", 'd', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb, "Delete named parameter for resource. Use instance attribute\n" INDENT "unless --element, --meta or, --utilization is specified.", "PARAM" }, { "set-property", 'S', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, command_cb, "Set named property of resource ('class', 'type', or 'provider') " "(requires -r, -t, -v)", "PROPERTY" }, { NULL } }; static GOptionEntry location_entries[] = { { "move", 'M', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Create a constraint to move resource. If --node is specified,\n" INDENT "the constraint will be to move to that node, otherwise it\n" INDENT "will be to ban the current node. Unless --force is specified\n" INDENT "this will return an error if the resource is already running\n" INDENT "on the specified node. If --force is specified, this will\n" INDENT "always ban the current node.\n" INDENT "Optional: --lifetime, --promoted. NOTE: This may prevent the\n" INDENT "resource from running on its previous location until the\n" INDENT "implicit constraint expires or is removed with --clear.", NULL }, { "ban", 'B', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Create a constraint to keep resource off a node.\n" INDENT "Optional: --node, --lifetime, --promoted.\n" INDENT "NOTE: This will prevent the resource from running on the\n" INDENT "affected node until the implicit constraint expires or is\n" INDENT "removed with --clear. If --node is not specified, it defaults\n" INDENT "to the node currently running the resource for primitives\n" INDENT "and groups, or the promoted instance of promotable clones with\n" INDENT PCMK_META_PROMOTED_MAX "=1 (all other situations result in an\n" INDENT "error as there is no sane default).", NULL }, { "clear", 'U', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "Remove all constraints created by the --ban and/or --move\n" INDENT "commands. Requires: --resource. Optional: --node, --promoted,\n" INDENT "--expired. If --node is not specified, all constraints created\n" INDENT "by --ban and --move will be removed for the named resource. If\n" INDENT "--node and --force are specified, any constraint created by\n" INDENT "--move will be cleared, even if it is not for the specified\n" INDENT "node. If --expired is specified, only those constraints whose\n" INDENT "lifetimes have expired will be removed.", NULL }, { "expired", 'e', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.clear_expired, "Modifies the --clear argument to remove constraints with\n" INDENT "expired lifetimes.", NULL }, { "lifetime", 'u', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.move_lifetime, "Lifespan (as ISO 8601 duration) of created constraints (with\n" INDENT "-B, -M) see https://en.wikipedia.org/wiki/ISO_8601#Durations)", "TIMESPEC" }, { "promoted", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.promoted_role_only, "Limit scope of command to promoted role (with -B, -M, -U). For\n" INDENT "-B and -M, previously promoted instances may remain\n" INDENT "active in the unpromoted role.", NULL }, // Deprecated since 2.1.0 { "master", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.promoted_role_only, "Deprecated: Use --promoted instead", NULL }, { NULL } }; static GOptionEntry advanced_entries[] = { { "delete", 'D', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Delete a resource from the CIB. Required: -t", NULL }, { "fail", 'F', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Tell the cluster this resource has failed", NULL }, { "restart", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Tell the cluster to restart this resource and\n" INDENT "anything that depends on it", NULL }, { "wait", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Wait until the cluster settles into a stable state", NULL }, { "digests", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Show parameter hashes that Pacemaker uses to detect\n" INDENT "configuration changes (only accurate if there is resource\n" INDENT "history on the specified node). Required: --resource, --node.\n" INDENT "Optional: any NAME=VALUE parameters will be used to override\n" INDENT "the configuration (to see what the hash would be with those\n" INDENT "changes).", NULL }, { "force-demote", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Bypass the cluster and demote a resource on the local\n" INDENT "node. Unless --force is specified, this will refuse to do so if\n" INDENT "the cluster believes the resource is a clone instance already\n" INDENT "running on the local node.", NULL }, { "force-stop", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Bypass the cluster and stop a resource on the local node", NULL }, { "force-start", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Bypass the cluster and start a resource on the local\n" INDENT "node. Unless --force is specified, this will refuse to do so if\n" INDENT "the cluster believes the resource is a clone instance already\n" INDENT "running on the local node.", NULL }, { "force-promote", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Bypass the cluster and promote a resource on the local\n" INDENT "node. Unless --force is specified, this will refuse to do so if\n" INDENT "the cluster believes the resource is a clone instance already\n" INDENT "running on the local node.", NULL }, { "force-check", 0, G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK, command_cb, "(Advanced) Bypass the cluster and check the state of a resource on\n" INDENT "the local node. An optional LEVEL argument can be given\n" INDENT "to control the level of checking performed.", "LEVEL" }, { NULL } }; static GOptionEntry addl_entries[] = { { "node", 'N', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.host_uname, "Node name", "NAME" }, { "recursive", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.recursive, "Follow colocation chains when using --set-parameter or --constraints", NULL }, { "resource-type", 't', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.rsc_type, "Resource XML element (primitive, group, etc.) (with -D)", "ELEMENT" }, { "parameter-value", 'v', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.prop_value, "Value to use with -p", "PARAM" }, { "meta", 'm', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attr_set_type_cb, "Use resource meta-attribute instead of instance attribute\n" INDENT "(with -p, -g, -d)", NULL }, { "utilization", 'z', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attr_set_type_cb, "Use resource utilization attribute instead of instance attribute\n" INDENT "(with -p, -g, -d)", NULL }, { "element", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attr_set_type_cb, "Use resource element attribute instead of instance attribute\n" INDENT "(with -p, -g, -d)", NULL }, { "operation", 'n', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.operation, "Operation to clear instead of all (with -C -r)", "OPERATION" }, { "interval", 'I', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.interval_spec, "Interval of operation to clear (default 0) (with -C -r -n)", "N" }, { "class", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, cmdline_config_cb, "The standard the resource agent conforms to (for example, ocf).\n" INDENT "Use with --agent, --provider, --option, and --validate.", "CLASS" }, { "agent", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, cmdline_config_cb, "The agent to use (for example, IPaddr). Use with --class,\n" INDENT "--provider, --option, and --validate.", "AGENT" }, { "provider", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, cmdline_config_cb, "The vendor that supplies the resource agent (for example,\n" INDENT "heartbeat). Use with --class, --agent, --option, and --validate.", "PROVIDER" }, { "option", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, option_cb, "Specify a device configuration parameter as NAME=VALUE (may be\n" INDENT "specified multiple times). Use with --validate and without the\n" INDENT "-r option.", "PARAM" }, { "set-name", 's', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.prop_set, "(Advanced) XML ID of attributes element to use (with -p, -d)", "ID" }, { "nvpair", 'i', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.prop_id, "(Advanced) XML ID of nvpair element to use (with -p, -d)", "ID" }, { "timeout", 'T', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, timeout_cb, "(Advanced) Abort if command does not finish in this time (with\n" INDENT "--restart, --wait, --force-*)", "N" }, { "all", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.all, "List all options, including advanced and deprecated (with\n" INDENT "--list-options)", NULL }, { "force", 'f', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.force, "Force the action to be performed. See help for individual commands for\n" INDENT "additional behavior.", NULL }, { "xml-file", 'x', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME, &options.xml_file, NULL, "FILE" }, { "host-uname", 'H', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, &options.host_uname, NULL, "HOST" }, { NULL } }; gboolean attr_set_type_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { if (pcmk__str_any_of(option_name, "-m", "--meta", NULL)) { options.attr_set_type = PCMK_XE_META_ATTRIBUTES; } else if (pcmk__str_any_of(option_name, "-z", "--utilization", NULL)) { options.attr_set_type = PCMK_XE_UTILIZATION; } else if (pcmk__str_eq(option_name, "--element", pcmk__str_none)) { options.attr_set_type = ATTR_SET_ELEMENT; } return TRUE; } gboolean cmdline_config_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.cmdline_config = true; if (pcmk__str_eq(option_name, "--class", pcmk__str_none)) { pcmk__str_update(&options.v_class, optarg); } else if (pcmk__str_eq(option_name, "--provider", pcmk__str_none)) { pcmk__str_update(&options.v_provider, optarg); } else { // --agent pcmk__str_update(&options.v_agent, optarg); } return TRUE; } gboolean option_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { char *name = NULL; char *value = NULL; if (pcmk__scan_nvpair(optarg, &name, &value) != 2) { return FALSE; } if (options.cmdline_params == NULL) { options.cmdline_params = pcmk__strkey_table(free, free); } g_hash_table_replace(options.cmdline_params, name, value); return TRUE; } gboolean timeout_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { long long timeout_ms = crm_get_msec(optarg); if (timeout_ms < 0) { return FALSE; } options.timeout_ms = (guint) QB_MIN(timeout_ms, UINT_MAX); return TRUE; } static int ban_or_move(pcmk__output_t *out, pcmk_resource_t *rsc, const char *move_lifetime) { int rc = pcmk_rc_ok; pcmk_node_t *current = NULL; unsigned int nactive = 0; CRM_CHECK(rsc != NULL, return EINVAL); current = pe__find_active_requires(rsc, &nactive); if (nactive == 1) { rc = cli_resource_ban(out, options.rsc_id, current->priv->name, move_lifetime, cib_conn, cib_sync_call, options.promoted_role_only, PCMK_ROLE_PROMOTED); } else if (pcmk_is_set(rsc->flags, pcmk__rsc_promotable)) { int count = 0; GList *iter = NULL; current = NULL; for (iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = (pcmk_resource_t *)iter->data; enum rsc_role_e child_role = child->priv->fns->state(child, TRUE); if (child_role == pcmk_role_promoted) { count++; current = pcmk__current_node(child); } } if(count == 1 && current) { rc = cli_resource_ban(out, options.rsc_id, current->priv->name, move_lifetime, cib_conn, cib_sync_call, options.promoted_role_only, PCMK_ROLE_PROMOTED); } else { rc = EINVAL; g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("Resource '%s' not moved: active in %d locations (promoted in %d).\n" "To prevent '%s' from running on a specific location, " "specify a node." "To prevent '%s' from being promoted at a specific " "location, specify a node and the --promoted option."), options.rsc_id, nactive, count, options.rsc_id, options.rsc_id); } } else { rc = EINVAL; g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("Resource '%s' not moved: active in %d locations.\n" "To prevent '%s' from running on a specific location, " "specify a node."), options.rsc_id, nactive, options.rsc_id); } return rc; } static void cleanup(pcmk__output_t *out, pcmk_resource_t *rsc, pcmk_node_t *node) { int rc = pcmk_rc_ok; if (options.force == FALSE) { rsc = uber_parent(rsc); } crm_debug("Erasing failures of %s (%s requested) on %s", rsc->id, options.rsc_id, (options.host_uname? options.host_uname: "all nodes")); rc = cli_resource_delete(controld_api, options.host_uname, rsc, options.operation, options.interval_spec, TRUE, scheduler, options.force); if ((rc == pcmk_rc_ok) && !out->is_quiet(out)) { // Show any reasons why resource might stay stopped cli_resource_check(out, rsc, node); } if (rc == pcmk_rc_ok) { start_mainloop(controld_api); } } static int clear_constraints(pcmk__output_t *out, xmlNodePtr *cib_xml_copy) { GList *before = NULL; GList *after = NULL; GList *remaining = NULL; GList *ele = NULL; pcmk_node_t *dest = NULL; int rc = pcmk_rc_ok; if (!out->is_quiet(out)) { before = build_constraint_list(scheduler->input); } if (options.clear_expired) { rc = cli_resource_clear_all_expired(scheduler->input, cib_conn, cib_sync_call, options.rsc_id, options.host_uname, options.promoted_role_only); } else if (options.host_uname) { dest = pcmk_find_node(scheduler, options.host_uname); if (dest == NULL) { rc = pcmk_rc_node_unknown; if (!out->is_quiet(out)) { g_list_free(before); } return rc; } rc = cli_resource_clear(options.rsc_id, dest->priv->name, NULL, cib_conn, cib_sync_call, true, options.force); } else { rc = cli_resource_clear(options.rsc_id, NULL, scheduler->nodes, cib_conn, cib_sync_call, true, options.force); } if (!out->is_quiet(out)) { rc = cib_conn->cmds->query(cib_conn, NULL, cib_xml_copy, cib_sync_call); rc = pcmk_legacy2rc(rc); if (rc != pcmk_rc_ok) { g_set_error(&error, PCMK__RC_ERROR, rc, _("Could not get modified CIB: %s\n"), pcmk_rc_str(rc)); g_list_free(before); pcmk__xml_free(*cib_xml_copy); *cib_xml_copy = NULL; return rc; } scheduler->input = *cib_xml_copy; cluster_status(scheduler); after = build_constraint_list(scheduler->input); remaining = pcmk__subtract_lists(before, after, (GCompareFunc) strcmp); for (ele = remaining; ele != NULL; ele = ele->next) { out->info(out, "Removing constraint: %s", (char *) ele->data); } g_list_free(before); g_list_free(after); g_list_free(remaining); } return rc; } static int initialize_scheduler_data(xmlNodePtr *cib_xml_copy) { int rc = pcmk_rc_ok; if (options.xml_file != NULL) { *cib_xml_copy = pcmk__xml_read(options.xml_file); if (*cib_xml_copy == NULL) { rc = pcmk_rc_cib_corrupt; } } else { rc = cib_conn->cmds->query(cib_conn, NULL, cib_xml_copy, cib_sync_call); rc = pcmk_legacy2rc(rc); } if (rc == pcmk_rc_ok) { scheduler = pe_new_working_set(); if (scheduler == NULL) { rc = ENOMEM; } else { pcmk__set_scheduler_flags(scheduler, pcmk__sched_no_counts |pcmk__sched_no_compat); scheduler->priv->out = out; rc = update_scheduler_input(scheduler, cib_xml_copy); } } if (rc != pcmk_rc_ok) { pcmk__xml_free(*cib_xml_copy); *cib_xml_copy = NULL; return rc; } cluster_status(scheduler); return pcmk_rc_ok; } static void list_options(void) { switch (options.opt_list) { case pcmk__opt_fencing: exit_code = pcmk_rc2exitc(pcmk__list_fencing_params(out, options.all)); break; case pcmk__opt_primitive: exit_code = pcmk_rc2exitc(pcmk__list_primitive_meta(out, options.all)); break; default: exit_code = CRM_EX_SOFTWARE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "BUG: Invalid option list type"); break; } } static int refresh(pcmk__output_t *out) { int rc = pcmk_rc_ok; const char *router_node = options.host_uname; int attr_options = pcmk__node_attr_none; if (options.host_uname) { pcmk_node_t *node = pcmk_find_node(scheduler, options.host_uname); if (pcmk__is_pacemaker_remote_node(node)) { node = pcmk__current_node(node->priv->remote); if (node == NULL) { rc = ENXIO; g_set_error(&error, PCMK__RC_ERROR, rc, _("No cluster connection to Pacemaker Remote node %s detected"), options.host_uname); return rc; } router_node = node->priv->name; attr_options |= pcmk__node_attr_remote; } } if (controld_api == NULL) { out->info(out, "Dry run: skipping clean-up of %s due to CIB_file", options.host_uname? options.host_uname : "all nodes"); rc = pcmk_rc_ok; return rc; } crm_debug("Re-checking the state of all resources on %s", options.host_uname?options.host_uname:"all nodes"); rc = pcmk__attrd_api_clear_failures(NULL, options.host_uname, NULL, NULL, NULL, NULL, attr_options); if (pcmk_controld_api_reprobe(controld_api, options.host_uname, router_node) == pcmk_rc_ok) { start_mainloop(controld_api); } return rc; } static void refresh_resource(pcmk__output_t *out, pcmk_resource_t *rsc, pcmk_node_t *node) { int rc = pcmk_rc_ok; if (options.force == FALSE) { rsc = uber_parent(rsc); } crm_debug("Re-checking the state of %s (%s requested) on %s", rsc->id, options.rsc_id, (options.host_uname? options.host_uname: "all nodes")); rc = cli_resource_delete(controld_api, options.host_uname, rsc, NULL, 0, FALSE, scheduler, options.force); if ((rc == pcmk_rc_ok) && !out->is_quiet(out)) { // Show any reasons why resource might stay stopped cli_resource_check(out, rsc, node); } if (rc == pcmk_rc_ok) { start_mainloop(controld_api); } } static int set_property(void) { int rc = pcmk_rc_ok; xmlNode *msg_data = NULL; if (pcmk__str_empty(options.rsc_type)) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("Must specify -t with resource type")); rc = ENXIO; return rc; } else if (pcmk__str_empty(options.prop_value)) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("Must supply -v with new value")); rc = ENXIO; return rc; } CRM_LOG_ASSERT(options.prop_name != NULL); msg_data = pcmk__xe_create(NULL, options.rsc_type); crm_xml_add(msg_data, PCMK_XA_ID, options.rsc_id); crm_xml_add(msg_data, options.prop_name, options.prop_value); rc = cib_conn->cmds->modify(cib_conn, PCMK_XE_RESOURCES, msg_data, cib_sync_call); rc = pcmk_legacy2rc(rc); pcmk__xml_free(msg_data); return rc; } static int show_metadata(pcmk__output_t *out, const char *agent_spec) { int rc = pcmk_rc_ok; char *standard = NULL; char *provider = NULL; char *type = NULL; char *metadata = NULL; lrmd_t *lrmd_conn = NULL; rc = lrmd__new(&lrmd_conn, NULL, NULL, 0); if (rc != pcmk_rc_ok) { g_set_error(&error, PCMK__RC_ERROR, rc, _("Could not create executor connection")); lrmd_api_delete(lrmd_conn); return rc; } rc = crm_parse_agent_spec(agent_spec, &standard, &provider, &type); rc = pcmk_legacy2rc(rc); if (rc == pcmk_rc_ok) { rc = lrmd_conn->cmds->get_metadata(lrmd_conn, standard, provider, type, &metadata, 0); rc = pcmk_legacy2rc(rc); if (metadata) { out->output_xml(out, PCMK_XE_METADATA, metadata); free(metadata); } else { /* We were given a validly formatted spec, but it doesn't necessarily * match up with anything that exists. Use ENXIO as the return code * here because that maps to an exit code of CRM_EX_NOSUCH, which * probably is the most common reason to get here. */ rc = ENXIO; g_set_error(&error, PCMK__RC_ERROR, rc, _("Metadata query for %s failed: %s"), agent_spec, pcmk_rc_str(rc)); } } else { rc = ENXIO; g_set_error(&error, PCMK__RC_ERROR, rc, _("'%s' is not a valid agent specification"), agent_spec); } lrmd_api_delete(lrmd_conn); return rc; } static void validate_cmdline_config(void) { // Cannot use both --resource and command-line resource configuration if (options.rsc_id != NULL) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("--resource cannot be used with --class, --agent, and --provider")); // Not all commands support command-line resource configuration } else if (options.rsc_cmd != cmd_execute_agent) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("--class, --agent, and --provider can only be used with " "--validate and --force-*")); // Not all of --class, --agent, and --provider need to be given. Not all // classes support the concept of a provider. Check that what we were given // is valid. } else if (pcmk__str_eq(options.v_class, "stonith", pcmk__str_none)) { if (options.v_provider != NULL) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("stonith does not support providers")); } else if (stonith_agent_exists(options.v_agent, 0) == FALSE) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("%s is not a known stonith agent"), options.v_agent ? options.v_agent : ""); } } else if (resources_agent_exists(options.v_class, options.v_provider, options.v_agent) == FALSE) { g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("%s:%s:%s is not a known resource"), options.v_class ? options.v_class : "", options.v_provider ? options.v_provider : "", options.v_agent ? options.v_agent : ""); } if ((error == NULL) && (options.cmdline_params == NULL)) { options.cmdline_params = pcmk__strkey_table(free, free); } } /*! * \internal * \brief Get the enum pe_find flags for a given command * * \return enum pe_find flag group appropriate for \c options.rsc_cmd. */ static uint32_t get_find_flags(void) { switch (options.rsc_cmd) { case cmd_ban: case cmd_cleanup: case cmd_clear: case cmd_colocations: case cmd_digests: case cmd_execute_agent: case cmd_locate: case cmd_move: case cmd_refresh: case cmd_restart: case cmd_why: return pcmk_rsc_match_history|pcmk_rsc_match_anon_basename; case cmd_delete_param: case cmd_get_param: case cmd_get_property: case cmd_query_xml_raw: case cmd_query_xml: case cmd_set_param: case cmd_set_property: return pcmk_rsc_match_history|pcmk_rsc_match_basename; default: return 0; } } /*! * \internal * \brief Check whether a node argument is required * * \return \c true if a \c --node argument is required, or \c false otherwise */ static bool is_node_required(void) { switch (options.rsc_cmd) { case cmd_digests: case cmd_fail: return true; default: return false; } } /*! * \internal * \brief Check whether a resource argument is required * * \return \c true if a \c --resource argument is required, or \c false * otherwise */ static bool is_resource_required(void) { if (options.cmdline_config) { return false; } switch (options.rsc_cmd) { case cmd_clear: return !options.clear_expired; case cmd_cleanup: case cmd_cts: case cmd_list_active_ops: case cmd_list_agents: case cmd_list_all_ops: case cmd_list_alternatives: case cmd_list_instances: case cmd_list_options: case cmd_list_providers: case cmd_list_resources: case cmd_list_standards: case cmd_metadata: case cmd_refresh: case cmd_wait: case cmd_why: return false; default: return true; } } /*! * \internal * \brief Check whether a CIB connection is required * * \return \c true if a CIB connection is required, or \c false otherwise */ static bool is_cib_required(void) { if (options.cmdline_config) { return false; } switch (options.rsc_cmd) { case cmd_list_agents: case cmd_list_alternatives: case cmd_list_options: case cmd_list_providers: case cmd_list_standards: case cmd_metadata: return false; default: return true; } } /*! * \internal * \brief Check whether a controller IPC connection is required * * \return \c true if a controller connection is required, or \c false otherwise */ static bool is_controller_required(void) { switch (options.rsc_cmd) { case cmd_cleanup: case cmd_refresh: return getenv("CIB_file") == NULL; case cmd_fail: return true; default: return false; } } /*! * \internal * \brief Check whether a scheduler IPC connection is required * * \return \c true if a scheduler connection is required, or \c false otherwise */ static bool is_scheduler_required(void) { if (options.cmdline_config) { return false; } switch (options.rsc_cmd) { case cmd_delete: case cmd_list_agents: case cmd_list_alternatives: case cmd_list_options: case cmd_list_providers: case cmd_list_standards: case cmd_metadata: case cmd_wait: return false; default: return true; } } /*! * \internal * \brief Check whether the chosen command accepts clone instances * * \return \c true if \p options.rsc_cmd accepts or ignores clone instances, or * \c false otherwise */ static bool accept_clone_instance(void) { switch (options.rsc_cmd) { case cmd_ban: case cmd_clear: case cmd_delete: case cmd_move: case cmd_restart: return false; default: return true; } } static GOptionContext * build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) { GOptionContext *context = NULL; GOptionEntry extra_prog_entries[] = { { "quiet", 'Q', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &(args->quiet), "Be less descriptive in output.", NULL }, { "resource", 'r', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.rsc_id, "Resource ID", "ID" }, { G_OPTION_REMAINING, 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING_ARRAY, &options.remainder, NULL, NULL }, { NULL } }; const char *description = "Examples:\n\n" "List the available OCF agents:\n\n" "\t# crm_resource --list-agents ocf\n\n" "List the available OCF agents from the linux-ha project:\n\n" "\t# crm_resource --list-agents ocf:heartbeat\n\n" "Move 'myResource' to a specific node:\n\n" "\t# crm_resource --resource myResource --move --node altNode\n\n" "Allow (but not force) 'myResource' to move back to its original " "location:\n\n" "\t# crm_resource --resource myResource --clear\n\n" "Stop 'myResource' (and anything that depends on it):\n\n" "\t# crm_resource --resource myResource --set-parameter " PCMK_META_TARGET_ROLE "--meta --parameter-value Stopped\n\n" "Tell the cluster not to manage 'myResource' (the cluster will not " "attempt to start or stop the\n" "resource under any circumstances; useful when performing maintenance " "tasks on a resource):\n\n" "\t# crm_resource --resource myResource --set-parameter " PCMK_META_IS_MANAGED "--meta --parameter-value false\n\n" "Erase the operation history of 'myResource' on 'aNode' (the cluster " "will 'forget' the existing\n" "resource state, including any errors, and attempt to recover the" "resource; useful when a resource\n" "had failed permanently and has been repaired by an administrator):\n\n" "\t# crm_resource --resource myResource --cleanup --node aNode\n\n"; context = pcmk__build_arg_context(args, "text (default), xml", group, NULL); g_option_context_set_description(context, description); /* Add the -Q option, which cannot be part of the globally supported options * because some tools use that flag for something else. */ pcmk__add_main_args(context, extra_prog_entries); pcmk__add_arg_group(context, "queries", "Queries:", "Show query help", query_entries); pcmk__add_arg_group(context, "commands", "Commands:", "Show command help", command_entries); pcmk__add_arg_group(context, "locations", "Locations:", "Show location help", location_entries); pcmk__add_arg_group(context, "advanced", "Advanced:", "Show advanced option help", advanced_entries); pcmk__add_arg_group(context, "additional", "Additional Options:", "Show additional options", addl_entries); return context; } int main(int argc, char **argv) { xmlNode *cib_xml_copy = NULL; pcmk_resource_t *rsc = NULL; pcmk_node_t *node = NULL; uint32_t find_flags = 0; int rc = pcmk_rc_ok; GOptionGroup *output_group = NULL; gchar **processed_args = NULL; GOptionContext *context = NULL; /* * Parse command line arguments */ args = pcmk__new_common_args(SUMMARY); processed_args = pcmk__cmdline_preproc(argv, "GHINSTdginpstuvx"); context = build_arg_context(args, &output_group); pcmk__register_formats(output_group, formats); if (!g_option_context_parse_strv(context, &processed_args, &error)) { exit_code = CRM_EX_USAGE; goto done; } pcmk__cli_init_logging("crm_resource", args->verbosity); rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv); if (rc != pcmk_rc_ok) { exit_code = CRM_EX_ERROR; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Error creating output format %s: %s"), args->output_ty, pcmk_rc_str(rc)); goto done; } pe__register_messages(out); crm_resource_register_messages(out); lrmd__register_messages(out); pcmk__register_lib_messages(out); out->quiet = args->quiet; crm_log_args(argc, argv); /* * Validate option combinations */ // --expired without --clear/-U doesn't make sense if (options.clear_expired && (options.rsc_cmd != cmd_clear)) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("--expired requires --clear or -U")); goto done; } if ((options.remainder != NULL) && (options.override_params != NULL)) { // Commands that use positional arguments will create override_params for (gchar **s = options.remainder; *s; s++) { char *name = pcmk__assert_alloc(1, strlen(*s)); char *value = pcmk__assert_alloc(1, strlen(*s)); int rc = sscanf(*s, "%[^=]=%s", name, value); if (rc == 2) { g_hash_table_replace(options.override_params, name, value); } else { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Error parsing '%s' as a name=value pair"), argv[optind]); free(value); free(name); goto done; } } } else if (options.remainder != NULL) { gchar **strv = NULL; gchar *msg = NULL; int i = 1; int len = 0; for (gchar **s = options.remainder; *s; s++) { len++; } CRM_ASSERT(len > 0); /* Add 1 for the strv[0] string below, and add another 1 for the NULL * at the end of the array so g_strjoinv knows when to stop. */ strv = pcmk__assert_alloc(len+2, sizeof(char *)); strv[0] = strdup("non-option ARGV-elements:\n"); for (gchar **s = options.remainder; *s; s++) { strv[i] = crm_strdup_printf("[%d of %d] %s\n", i, len, *s); i++; } strv[i] = NULL; exit_code = CRM_EX_USAGE; msg = g_strjoinv("", strv); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "%s", msg); g_free(msg); /* Don't try to free the last element, which is just NULL. */ for(i = 0; i < len+1; i++) { free(strv[i]); } free(strv); goto done; } if (pcmk__str_eq(args->output_ty, "xml", pcmk__str_none)) { switch (options.rsc_cmd) { /* These are the only commands that have historically used the * elements in their XML schema. For all others, use the simple list * argument. */ case cmd_get_param: case cmd_get_property: case cmd_list_instances: case cmd_list_standards: pcmk__output_enable_list_element(out); break; default: break; } } else if (pcmk__str_eq(args->output_ty, "text", pcmk__str_null_matches)) { switch (options.rsc_cmd) { case cmd_colocations: case cmd_list_resources: pcmk__output_text_set_fancy(out, true); break; default: break; } } if (args->version) { out->version(out, false); goto done; } if (options.cmdline_config) { /* A resource configuration was given on the command line. Sanity-check * the values and set error if they don't make sense. */ validate_cmdline_config(); if (error != NULL) { exit_code = CRM_EX_USAGE; goto done; } } else if (options.cmdline_params != NULL) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("--option must be used with --validate and without -r")); g_hash_table_destroy(options.cmdline_params); options.cmdline_params = NULL; goto done; } if (is_resource_required() && (options.rsc_id == NULL)) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Must supply a resource id with -r")); goto done; } if (is_node_required() && (options.host_uname == NULL)) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Must supply a node name with -N")); goto done; } /* * Set up necessary connections */ // Establish a connection to the CIB if needed if (is_cib_required()) { cib_conn = cib_new(); if ((cib_conn == NULL) || (cib_conn->cmds == NULL)) { exit_code = CRM_EX_DISCONNECT; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Could not create CIB connection")); goto done; } rc = cib_conn->cmds->signon(cib_conn, crm_system_name, cib_command); rc = pcmk_legacy2rc(rc); if (rc != pcmk_rc_ok) { exit_code = pcmk_rc2exitc(rc); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Could not connect to the CIB: %s"), pcmk_rc_str(rc)); goto done; } } // Populate scheduler data from XML file if specified or CIB query otherwise if (is_scheduler_required()) { rc = initialize_scheduler_data(&cib_xml_copy); if (rc != pcmk_rc_ok) { exit_code = pcmk_rc2exitc(rc); goto done; } } find_flags = get_find_flags(); // If command requires that resource exist if specified, find it if ((find_flags != 0) && (options.rsc_id != NULL)) { - rsc = pe_find_resource_with_flags(scheduler->resources, options.rsc_id, - find_flags); + rsc = pe_find_resource_with_flags(scheduler->priv->resources, + options.rsc_id, find_flags); if (rsc == NULL) { exit_code = CRM_EX_NOSUCH; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Resource '%s' not found"), options.rsc_id); goto done; } /* The --ban, --clear, --move, and --restart commands do not work with * instances of clone resourcs. */ if (pcmk__is_clone(rsc->priv->parent) && (strchr(options.rsc_id, ':') != NULL) && !accept_clone_instance()) { exit_code = CRM_EX_INVALID_PARAM; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Cannot operate on clone resource instance '%s'"), options.rsc_id); goto done; } } // If user supplied a node name, check whether it exists if ((options.host_uname != NULL) && (scheduler != NULL)) { node = pcmk_find_node(scheduler, options.host_uname); if (node == NULL) { exit_code = CRM_EX_NOSUCH; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Node '%s' not found"), options.host_uname); goto done; } } // Establish a connection to the controller if needed if (is_controller_required()) { rc = pcmk_new_ipc_api(&controld_api, pcmk_ipc_controld); if (rc != pcmk_rc_ok) { exit_code = pcmk_rc2exitc(rc); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Error connecting to the controller: %s"), pcmk_rc_str(rc)); goto done; } pcmk_register_ipc_callback(controld_api, controller_event_callback, NULL); rc = pcmk__connect_ipc(controld_api, pcmk_ipc_dispatch_main, 5); if (rc != pcmk_rc_ok) { exit_code = pcmk_rc2exitc(rc); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Error connecting to %s: %s"), pcmk_ipc_name(controld_api, true), pcmk_rc_str(rc)); goto done; } } /* * Handle requested command */ switch (options.rsc_cmd) { case cmd_list_resources: { GList *all = NULL; uint32_t show_opts = pcmk_show_inactive_rscs | pcmk_show_rsc_only | pcmk_show_pending; all = g_list_prepend(all, (gpointer) "*"); rc = out->message(out, "resource-list", scheduler, show_opts, true, all, all, false); g_list_free(all); if (rc == pcmk_rc_no_output) { rc = ENXIO; } break; } case cmd_list_instances: - rc = out->message(out, "resource-names-list", scheduler->resources); + rc = out->message(out, "resource-names-list", + scheduler->priv->resources); if (rc != pcmk_rc_ok) { rc = ENXIO; } break; case cmd_list_options: list_options(); break; case cmd_list_alternatives: rc = pcmk__list_alternatives(out, options.agent_spec); break; case cmd_list_agents: rc = pcmk__list_agents(out, options.agent_spec); break; case cmd_list_standards: rc = pcmk__list_standards(out); break; case cmd_list_providers: rc = pcmk__list_providers(out, options.agent_spec); break; case cmd_metadata: rc = show_metadata(out, options.agent_spec); break; case cmd_restart: /* We don't pass scheduler because rsc needs to stay valid for the * entire lifetime of cli_resource_restart(), but it will reset and * update the scheduler data multiple times, so it needs to use its * own copy. */ rc = cli_resource_restart(out, rsc, node, options.move_lifetime, options.timeout_ms, cib_conn, cib_sync_call, options.promoted_role_only, options.force); break; case cmd_wait: rc = wait_till_stable(out, options.timeout_ms, cib_conn); break; case cmd_execute_agent: if (options.cmdline_config) { exit_code = cli_resource_execute_from_params(out, NULL, options.v_class, options.v_provider, options.v_agent, options.operation, options.cmdline_params, options.override_params, options.timeout_ms, args->verbosity, options.force, options.check_level); } else { exit_code = cli_resource_execute(rsc, options.rsc_id, options.operation, options.override_params, options.timeout_ms, cib_conn, scheduler, args->verbosity, options.force, options.check_level); } goto done; case cmd_digests: node = pcmk_find_node(scheduler, options.host_uname); if (node == NULL) { rc = pcmk_rc_node_unknown; } else { rc = pcmk__resource_digests(out, rsc, node, options.override_params); } break; case cmd_colocations: rc = out->message(out, "locations-and-colocations", rsc, options.recursive, (bool) options.force); break; case cmd_cts: rc = pcmk_rc_ok; - g_list_foreach(scheduler->resources, (GFunc) cli_resource_print_cts, - out); + g_list_foreach(scheduler->priv->resources, + (GFunc) cli_resource_print_cts, out); cli_resource_print_cts_constraints(scheduler); break; case cmd_fail: rc = cli_resource_fail(controld_api, options.host_uname, options.rsc_id, scheduler); if (rc == pcmk_rc_ok) { start_mainloop(controld_api); } break; case cmd_list_active_ops: rc = cli_resource_print_operations(options.rsc_id, options.host_uname, TRUE, scheduler); break; case cmd_list_all_ops: rc = cli_resource_print_operations(options.rsc_id, options.host_uname, FALSE, scheduler); break; case cmd_locate: { GList *nodes = cli_resource_search(rsc, options.rsc_id, scheduler); rc = out->message(out, "resource-search-list", nodes, options.rsc_id); g_list_free_full(nodes, free); break; } case cmd_query_xml: rc = cli_resource_print(rsc, scheduler, true); break; case cmd_query_xml_raw: rc = cli_resource_print(rsc, scheduler, false); break; case cmd_why: if ((options.host_uname != NULL) && (node == NULL)) { rc = pcmk_rc_node_unknown; } else { rc = out->message(out, "resource-reasons-list", - scheduler->resources, rsc, node); + scheduler->priv->resources, rsc, node); } break; case cmd_clear: rc = clear_constraints(out, &cib_xml_copy); break; case cmd_move: if (options.host_uname == NULL) { rc = ban_or_move(out, rsc, options.move_lifetime); } else { rc = cli_resource_move(rsc, options.rsc_id, options.host_uname, options.move_lifetime, cib_conn, cib_sync_call, scheduler, options.promoted_role_only, options.force); } if (rc == EINVAL) { exit_code = CRM_EX_USAGE; goto done; } break; case cmd_ban: if (options.host_uname == NULL) { rc = ban_or_move(out, rsc, options.move_lifetime); } else if (node == NULL) { rc = pcmk_rc_node_unknown; } else { rc = cli_resource_ban(out, options.rsc_id, node->priv->name, options.move_lifetime, cib_conn, cib_sync_call, options.promoted_role_only, PCMK_ROLE_PROMOTED); } if (rc == EINVAL) { exit_code = CRM_EX_USAGE; goto done; } break; case cmd_get_property: rc = out->message(out, "property-list", rsc, options.prop_name); if (rc == pcmk_rc_no_output) { rc = ENXIO; } break; case cmd_set_property: rc = set_property(); break; case cmd_get_param: { unsigned int count = 0; GHashTable *params = NULL; pcmk_node_t *current = rsc->priv->fns->active_node(rsc, &count, NULL); bool free_params = true; const char* value = NULL; if (count > 1) { out->err(out, "%s is active on more than one node," " returning the default value for %s", rsc->id, pcmk__s(options.prop_name, "unspecified property")); current = NULL; } crm_debug("Looking up %s in %s", options.prop_name, rsc->id); if (pcmk__str_eq(options.attr_set_type, PCMK_XE_INSTANCE_ATTRIBUTES, pcmk__str_none)) { params = pe_rsc_params(rsc, current, scheduler); free_params = false; value = g_hash_table_lookup(params, options.prop_name); } else if (pcmk__str_eq(options.attr_set_type, PCMK_XE_META_ATTRIBUTES, pcmk__str_none)) { params = pcmk__strkey_table(free, free); get_meta_attributes(params, rsc, NULL, scheduler); value = g_hash_table_lookup(params, options.prop_name); } else if (pcmk__str_eq(options.attr_set_type, ATTR_SET_ELEMENT, pcmk__str_none)) { value = crm_element_value(rsc->priv->xml, options.prop_name); free_params = false; } else { pe_rule_eval_data_t rule_data = { .now = scheduler->priv->now, }; params = pcmk__strkey_table(free, free); pe__unpack_dataset_nvpairs(rsc->priv->xml, PCMK_XE_UTILIZATION, &rule_data, params, NULL, FALSE, scheduler); value = g_hash_table_lookup(params, options.prop_name); } rc = out->message(out, "attribute-list", rsc, options.prop_name, value); if (free_params) { g_hash_table_destroy(params); } break; } case cmd_set_param: if (pcmk__str_empty(options.prop_value)) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("You need to supply a value with the -v option")); goto done; } /* coverity[var_deref_model] False positive */ rc = cli_resource_update_attribute(rsc, options.rsc_id, options.prop_set, options.attr_set_type, options.prop_id, options.prop_name, options.prop_value, options.recursive, cib_conn, options.force); break; case cmd_delete_param: /* coverity[var_deref_model] False positive */ rc = cli_resource_delete_attribute(rsc, options.rsc_id, options.prop_set, options.attr_set_type, options.prop_id, options.prop_name, cib_conn, cib_sync_call, options.force); break; case cmd_cleanup: if (rsc == NULL) { rc = cli_cleanup_all(controld_api, options.host_uname, options.operation, options.interval_spec, scheduler); if (rc == pcmk_rc_ok) { start_mainloop(controld_api); } } else { cleanup(out, rsc, node); } break; case cmd_refresh: if (rsc == NULL) { rc = refresh(out); } else { refresh_resource(out, rsc, node); } break; case cmd_delete: /* rsc_id was already checked for NULL much earlier when validating * command line arguments. */ if (options.rsc_type == NULL) { exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE, _("You need to specify a resource type with -t")); } else { rc = pcmk__resource_delete(cib_conn, cib_sync_call, options.rsc_id, options.rsc_type); if (rc != pcmk_rc_ok) { g_set_error(&error, PCMK__RC_ERROR, rc, _("Could not delete resource %s: %s"), options.rsc_id, pcmk_rc_str(rc)); } } break; default: exit_code = CRM_EX_USAGE; g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Unimplemented command: %d"), (int) options.rsc_cmd); goto done; } /* Convert rc into an exit code. */ if (rc != pcmk_rc_ok && rc != pcmk_rc_no_output) { exit_code = pcmk_rc2exitc(rc); } /* * Clean up and exit */ done: /* When we get here, exit_code has been set one of two ways - either at one of * the spots where there's a "goto done" (which itself could have happened either * directly or by calling pcmk_rc2exitc), or just up above after any of the break * statements. * * Thus, we can use just exit_code here to decide what to do. */ if (exit_code != CRM_EX_OK && exit_code != CRM_EX_USAGE) { if (error != NULL) { char *msg = crm_strdup_printf("%s\nError performing operation: %s", error->message, crm_exit_str(exit_code)); g_clear_error(&error); g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "%s", msg); free(msg); } else { g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Error performing operation: %s"), crm_exit_str(exit_code)); } } g_free(options.host_uname); g_free(options.interval_spec); g_free(options.move_lifetime); g_free(options.operation); g_free(options.prop_id); free(options.prop_name); g_free(options.prop_set); g_free(options.prop_value); g_free(options.rsc_id); g_free(options.rsc_type); free(options.agent_spec); free(options.v_agent); free(options.v_class); free(options.v_provider); g_free(options.xml_file); g_strfreev(options.remainder); if (options.override_params != NULL) { g_hash_table_destroy(options.override_params); } /* options.cmdline_params does not need to be destroyed here. See the * comments in cli_resource_execute_from_params. */ g_strfreev(processed_args); g_option_context_free(context); return bye(exit_code); } diff --git a/tools/crm_resource_runtime.c b/tools/crm_resource_runtime.c index 6675cf0758..44bcfc991a 100644 --- a/tools/crm_resource_runtime.c +++ b/tools/crm_resource_runtime.c @@ -1,2434 +1,2437 @@ /* * Copyright 2004-2024 the Pacemaker project contributors * * The version control history for this file may have further details. * * This source code is licensed under the GNU General Public License version 2 * or later (GPLv2+) WITHOUT ANY WARRANTY. */ #include #include #include #include #include #include #include #include #include #include static GList * build_node_info_list(const pcmk_resource_t *rsc) { GList *retval = NULL; for (const GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { const pcmk_resource_t *child = (const pcmk_resource_t *) iter->data; for (const GList *iter2 = child->priv->active_nodes; iter2 != NULL; iter2 = iter2->next) { const pcmk_node_t *node = (const pcmk_node_t *) iter2->data; node_info_t *ni = pcmk__assert_alloc(1, sizeof(node_info_t)); ni->node_name = node->priv->name; if (pcmk_is_set(rsc->flags, pcmk__rsc_promotable) && (child->priv->fns->state(child, TRUE) == pcmk_role_promoted)) { ni->promoted = true; } retval = g_list_prepend(retval, ni); } } return retval; } GList * cli_resource_search(pcmk_resource_t *rsc, const char *requested_name, pcmk_scheduler_t *scheduler) { GList *retval = NULL; const pcmk_resource_t *parent = pe__const_top_resource(rsc, false); if (pcmk__is_clone(rsc)) { retval = build_node_info_list(rsc); /* The anonymous clone children's common ID is supplied */ } else if (pcmk__is_clone(parent) && !pcmk_is_set(rsc->flags, pcmk__rsc_unique) && (rsc->priv->history_id != NULL) && pcmk__str_eq(requested_name, rsc->priv->history_id, pcmk__str_none) && !pcmk__str_eq(requested_name, rsc->id, pcmk__str_none)) { retval = build_node_info_list(parent); } else { for (GList *iter = rsc->priv->active_nodes; iter != NULL; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; node_info_t *ni = pcmk__assert_alloc(1, sizeof(node_info_t)); ni->node_name = node->priv->name; if (rsc->priv->fns->state(rsc, TRUE) == pcmk_role_promoted) { ni->promoted = true; } retval = g_list_prepend(retval, ni); } } return retval; } // \return Standard Pacemaker return code static int find_resource_attr(pcmk__output_t *out, cib_t * the_cib, const char *attr, const char *rsc, const char *attr_set_type, const char *set_name, const char *attr_id, const char *attr_name, xmlNode **result) { xmlNode *xml_search; int rc = pcmk_rc_ok; GString *xpath = NULL; const char *xpath_base = NULL; if (result) { *result = NULL; } if(the_cib == NULL) { return ENOTCONN; } xpath_base = pcmk_cib_xpath_for(PCMK_XE_RESOURCES); if (xpath_base == NULL) { crm_err(PCMK_XE_RESOURCES " CIB element not known (bug?)"); return ENOMSG; } xpath = g_string_sized_new(1024); pcmk__g_strcat(xpath, xpath_base, "//*[@" PCMK_XA_ID "=\"", rsc, "\"]", NULL); if (attr_set_type != NULL) { pcmk__g_strcat(xpath, "/", attr_set_type, NULL); if (set_name != NULL) { pcmk__g_strcat(xpath, "[@" PCMK_XA_ID "=\"", set_name, "\"]", NULL); } } g_string_append(xpath, "//" PCMK_XE_NVPAIR); if (attr_id != NULL && attr_name!= NULL) { pcmk__g_strcat(xpath, "[@" PCMK_XA_ID "='", attr_id, "' " "and @" PCMK_XA_NAME "='", attr_name, "']", NULL); } else if (attr_id != NULL) { pcmk__g_strcat(xpath, "[@" PCMK_XA_ID "='", attr_id, "']", NULL); } else if (attr_name != NULL) { pcmk__g_strcat(xpath, "[@" PCMK_XA_NAME "='", attr_name, "']", NULL); } rc = the_cib->cmds->query(the_cib, xpath->str, &xml_search, cib_sync_call|cib_xpath); rc = pcmk_legacy2rc(rc); if (rc == pcmk_rc_ok) { crm_log_xml_debug(xml_search, "Match"); if (xml_search->children != NULL) { rc = ENOTUNIQ; pcmk__warn_multiple_name_matches(out, xml_search, attr_name); out->spacer(out); } } if (result) { *result = xml_search; } else { pcmk__xml_free(xml_search); } g_string_free(xpath, TRUE); return rc; } /* PRIVATE. Use the find_matching_attr_resources instead. */ static void find_matching_attr_resources_recursive(pcmk__output_t *out, GList /* */ **result, pcmk_resource_t *rsc, const char * attr_set, const char * attr_set_type, const char * attr_id, const char * attr_name, cib_t * cib, int depth) { int rc = pcmk_rc_ok; char *lookup_id = clone_strip(rsc->id); for (GList *gIter = rsc->priv->children; gIter != NULL; gIter = gIter->next) { find_matching_attr_resources_recursive(out, result, (pcmk_resource_t *) gIter->data, attr_set, attr_set_type, attr_id, attr_name, cib, depth+1); /* do it only once for clones */ if (pcmk__is_clone(rsc)) { break; } } rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type, attr_set, attr_id, attr_name, NULL); /* Post-order traversal. * The root is always on the list and it is the last item. */ if((0 == depth) || (pcmk_rc_ok == rc)) { /* push the head */ *result = g_list_append(*result, rsc); } free(lookup_id); } /* The result is a linearized pre-ordered tree of resources. */ static GList/**/ * find_matching_attr_resources(pcmk__output_t *out, pcmk_resource_t *rsc, const char * rsc_id, const char * attr_set, const char * attr_set_type, const char * attr_id, const char * attr_name, cib_t * cib, const char * cmd, gboolean force) { int rc = pcmk_rc_ok; char *lookup_id = NULL; GList * result = NULL; /* If --force is used, update only the requested resource (clone or primitive). * Otherwise, if the primitive has the attribute, use that. * Otherwise use the clone. */ if(force == TRUE) { return g_list_append(result, rsc); } if (pcmk__is_clone(rsc->priv->parent)) { int rc = find_resource_attr(out, cib, PCMK_XA_ID, rsc_id, attr_set_type, attr_set, attr_id, attr_name, NULL); if(rc != pcmk_rc_ok) { rsc = rsc->priv->parent; out->info(out, "Performing %s of '%s' on '%s', the parent of '%s'", cmd, attr_name, rsc->id, rsc_id); } return g_list_append(result, rsc); } else if ((rsc->priv->parent == NULL) && (rsc->priv->children != NULL) && pcmk__is_clone(rsc)) { pcmk_resource_t *child = rsc->priv->children->data; if (pcmk__is_primitive(child)) { lookup_id = clone_strip(child->id); /* Could be a cloned group! */ rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type, attr_set, attr_id, attr_name, NULL); if(rc == pcmk_rc_ok) { rsc = child; out->info(out, "A value for '%s' already exists in child '%s', performing %s on that instead of '%s'", attr_name, lookup_id, cmd, rsc_id); } free(lookup_id); } return g_list_append(result, rsc); } /* If the resource is a group ==> children inherit the attribute if defined. */ find_matching_attr_resources_recursive(out, &result, rsc, attr_set, attr_set_type, attr_id, attr_name, cib, 0); return result; } static int update_element_attribute(pcmk__output_t *out, pcmk_resource_t *rsc, cib_t *cib, const char *attr_name, const char *attr_value) { int rc = pcmk_rc_ok; if (cib == NULL) { return ENOTCONN; } crm_xml_add(rsc->priv->xml, attr_name, attr_value); rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->priv->xml, cib_sync_call); rc = pcmk_legacy2rc(rc); if (rc == pcmk_rc_ok) { out->info(out, "Set attribute: " PCMK_XA_NAME "=%s value=%s", attr_name, attr_value); } return rc; } static int resources_with_attr(pcmk__output_t *out, cib_t *cib, pcmk_resource_t *rsc, const char *requested_name, const char *attr_set, const char *attr_set_type, const char *attr_id, const char *attr_name, const char *top_id, gboolean force, GList **resources) { if (pcmk__str_eq(attr_set_type, PCMK_XE_INSTANCE_ATTRIBUTES, pcmk__str_casei)) { if (!force) { xmlNode *xml_search = NULL; int rc = pcmk_rc_ok; rc = find_resource_attr(out, cib, PCMK_XA_ID, top_id, PCMK_XE_META_ATTRIBUTES, attr_set, attr_id, attr_name, &xml_search); if (rc == pcmk_rc_ok || rc == ENOTUNIQ) { char *found_attr_id = NULL; found_attr_id = crm_element_value_copy(xml_search, PCMK_XA_ID); if (!out->is_quiet(out)) { out->err(out, "WARNING: There is already a meta attribute " "for '%s' called '%s' (id=%s)", top_id, attr_name, found_attr_id); out->err(out, " Delete '%s' first or use the force option " "to override", found_attr_id); } free(found_attr_id); pcmk__xml_free(xml_search); return ENOTUNIQ; } pcmk__xml_free(xml_search); } *resources = g_list_append(*resources, rsc); } else { *resources = find_matching_attr_resources(out, rsc, requested_name, attr_set, attr_set_type, attr_id, attr_name, cib, "update", force); } /* If the user specified attr_set or attr_id, the intent is to modify a * single resource, which will be the last item in the list. */ if ((attr_set != NULL) || (attr_id != NULL)) { GList *last = g_list_last(*resources); *resources = g_list_remove_link(*resources, last); g_list_free(*resources); *resources = last; } return pcmk_rc_ok; } static void free_attr_update_data(gpointer data) { attr_update_data_t *ud = data; if (ud == NULL) { return; } free(ud->attr_set_type); free(ud->attr_set_id); free(ud->attr_name); free(ud->attr_value); free(ud->given_rsc_id); free(ud->found_attr_id); free(ud); } static int update_attribute(pcmk_resource_t *rsc, const char *requested_name, const char *attr_set, const char *attr_set_type, const char *attr_id, const char *attr_name, const char *attr_value, gboolean recursive, cib_t *cib, gboolean force, GList **results) { pcmk__output_t *out = rsc->priv->scheduler->priv->out; int rc = pcmk_rc_ok; GList/**/ *resources = NULL; const char *top_id = pe__const_top_resource(rsc, false)->id; if ((attr_id == NULL) && !force) { find_resource_attr(out, cib, PCMK_XA_ID, top_id, NULL, NULL, NULL, attr_name, NULL); } rc = resources_with_attr(out, cib, rsc, requested_name, attr_set, attr_set_type, attr_id, attr_name, top_id, force, &resources); if (rc != pcmk_rc_ok) { return rc; } for (GList *iter = resources; iter != NULL; iter = iter->next) { char *lookup_id = NULL; char *local_attr_set = NULL; char *found_attr_id = NULL; const char *rsc_attr_id = attr_id; const char *rsc_attr_set = attr_set; xmlNode *xml_top = NULL; xmlNode *xml_obj = NULL; xmlNode *xml_search = NULL; rsc = (pcmk_resource_t *) iter->data; lookup_id = clone_strip(rsc->id); /* Could be a cloned group! */ rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type, attr_set, attr_id, attr_name, &xml_search); switch (rc) { case pcmk_rc_ok: found_attr_id = crm_element_value_copy(xml_search, PCMK_XA_ID); crm_debug("Found a match for " PCMK_XA_NAME "='%s': " PCMK_XA_ID "='%s'", attr_name, found_attr_id); rsc_attr_id = found_attr_id; break; case ENXIO: if (rsc_attr_set == NULL) { local_attr_set = crm_strdup_printf("%s-%s", lookup_id, attr_set_type); rsc_attr_set = local_attr_set; } if (rsc_attr_id == NULL) { found_attr_id = crm_strdup_printf("%s-%s", rsc_attr_set, attr_name); rsc_attr_id = found_attr_id; } xml_top = pcmk__xe_create(NULL, (const char *) rsc->priv->xml->name); crm_xml_add(xml_top, PCMK_XA_ID, lookup_id); xml_obj = pcmk__xe_create(xml_top, attr_set_type); crm_xml_add(xml_obj, PCMK_XA_ID, rsc_attr_set); break; default: free(lookup_id); free(found_attr_id); pcmk__xml_free(xml_search); g_list_free(resources); return rc; } xml_obj = crm_create_nvpair_xml(xml_obj, rsc_attr_id, attr_name, attr_value); if (xml_top == NULL) { xml_top = xml_obj; } crm_log_xml_debug(xml_top, "Update"); rc = cib->cmds->modify(cib, PCMK_XE_RESOURCES, xml_top, cib_sync_call); rc = pcmk_legacy2rc(rc); if (rc == pcmk_rc_ok) { attr_update_data_t *ud = pcmk__assert_alloc(1, sizeof(attr_update_data_t)); if (attr_set_type == NULL) { attr_set_type = (const char *) xml_search->parent->name; } if (rsc_attr_set == NULL) { rsc_attr_set = crm_element_value(xml_search->parent, PCMK_XA_ID); } ud->attr_set_type = pcmk__str_copy(attr_set_type); ud->attr_set_id = pcmk__str_copy(rsc_attr_set); ud->attr_name = pcmk__str_copy(attr_name); ud->attr_value = pcmk__str_copy(attr_value); ud->given_rsc_id = pcmk__str_copy(lookup_id); ud->found_attr_id = pcmk__str_copy(found_attr_id); ud->rsc = rsc; *results = g_list_append(*results, ud); } pcmk__xml_free(xml_top); pcmk__xml_free(xml_search); free(lookup_id); free(found_attr_id); free(local_attr_set); if (recursive && pcmk__str_eq(attr_set_type, PCMK_XE_META_ATTRIBUTES, pcmk__str_casei)) { /* We want to set the attribute only on resources explicitly * colocated with this one, so we use * rsc->priv->with_this_colocations directly rather than the * with_this_colocations() method. */ pcmk__set_rsc_flags(rsc, pcmk__rsc_detect_loop); for (GList *lpc = rsc->priv->with_this_colocations; lpc != NULL; lpc = lpc->next) { pcmk__colocation_t *cons = (pcmk__colocation_t *) lpc->data; crm_debug("Checking %s %d", cons->id, cons->score); if (pcmk_is_set(cons->dependent->flags, pcmk__rsc_detect_loop) || (cons->score <= 0)) { continue; } crm_debug("Setting %s=%s for dependent resource %s", attr_name, attr_value, cons->dependent->id); update_attribute(cons->dependent, cons->dependent->id, NULL, attr_set_type, NULL, attr_name, attr_value, recursive, cib, force, results); } } } g_list_free(resources); return rc; } // \return Standard Pacemaker return code int cli_resource_update_attribute(pcmk_resource_t *rsc, const char *requested_name, const char *attr_set, const char *attr_set_type, const char *attr_id, const char *attr_name, const char *attr_value, gboolean recursive, cib_t *cib, gboolean force) { static bool need_init = true; int rc = pcmk_rc_ok; GList *results = NULL; pcmk__output_t *out = rsc->priv->scheduler->priv->out; /* If we were asked to update the attribute in a resource element (for * instance, ) there's really not much we need to do. */ if (pcmk__str_eq(attr_set_type, ATTR_SET_ELEMENT, pcmk__str_none)) { return update_element_attribute(out, rsc, cib, attr_name, attr_value); } /* One time initialization - clear flags so we can detect loops */ if (need_init) { need_init = false; pcmk__unpack_constraints(rsc->priv->scheduler); pe__clear_resource_flags_on_all(rsc->priv->scheduler, pcmk__rsc_detect_loop); } rc = update_attribute(rsc, requested_name, attr_set, attr_set_type, attr_id, attr_name, attr_value, recursive, cib, force, &results); if (rc == pcmk_rc_ok) { if (results == NULL) { return rc; } out->message(out, "attribute-changed-list", results); g_list_free_full(results, free_attr_update_data); } return rc; } // \return Standard Pacemaker return code int cli_resource_delete_attribute(pcmk_resource_t *rsc, const char *requested_name, const char *attr_set, const char *attr_set_type, const char *attr_id, const char *attr_name, cib_t *cib, int cib_options, gboolean force) { pcmk__output_t *out = rsc->priv->scheduler->priv->out; int rc = pcmk_rc_ok; GList/**/ *resources = NULL; if ((attr_id == NULL) && !force) { find_resource_attr(out, cib, PCMK_XA_ID, pe__const_top_resource(rsc, false)->id, NULL, NULL, NULL, attr_name, NULL); } if (pcmk__str_eq(attr_set_type, PCMK_XE_META_ATTRIBUTES, pcmk__str_casei)) { resources = find_matching_attr_resources(out, rsc, requested_name, attr_set, attr_set_type, attr_id, attr_name, cib, "delete", force); } else if (pcmk__str_eq(attr_set_type, ATTR_SET_ELEMENT, pcmk__str_none)) { pcmk__xe_remove_attr(rsc->priv->xml, attr_name); CRM_ASSERT(cib != NULL); rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->priv->xml, cib_options); rc = pcmk_legacy2rc(rc); if (rc == pcmk_rc_ok) { out->info(out, "Deleted attribute: %s", attr_name); } return rc; } else { resources = g_list_append(resources, rsc); } for (GList *iter = resources; iter != NULL; iter = iter->next) { char *lookup_id = NULL; xmlNode *xml_obj = NULL; xmlNode *xml_search = NULL; char *found_attr_id = NULL; const char *rsc_attr_id = attr_id; rsc = (pcmk_resource_t *) iter->data; lookup_id = clone_strip(rsc->id); rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type, attr_set, attr_id, attr_name, &xml_search); switch (rc) { case pcmk_rc_ok: found_attr_id = crm_element_value_copy(xml_search, PCMK_XA_ID); pcmk__xml_free(xml_search); break; case ENXIO: free(lookup_id); pcmk__xml_free(xml_search); continue; default: free(lookup_id); pcmk__xml_free(xml_search); g_list_free(resources); return rc; } if (rsc_attr_id == NULL) { rsc_attr_id = found_attr_id; } xml_obj = crm_create_nvpair_xml(NULL, rsc_attr_id, attr_name, NULL); crm_log_xml_debug(xml_obj, "Delete"); CRM_ASSERT(cib); rc = cib->cmds->remove(cib, PCMK_XE_RESOURCES, xml_obj, cib_options); rc = pcmk_legacy2rc(rc); if (rc == pcmk_rc_ok) { out->info(out, "Deleted '%s' option: " PCMK_XA_ID "=%s%s%s%s%s", lookup_id, found_attr_id, ((attr_set == NULL)? "" : " set="), pcmk__s(attr_set, ""), ((attr_name == NULL)? "" : " " PCMK_XA_NAME "="), pcmk__s(attr_name, "")); } free(lookup_id); pcmk__xml_free(xml_obj); free(found_attr_id); } g_list_free(resources); return rc; } // \return Standard Pacemaker return code static int send_lrm_rsc_op(pcmk_ipc_api_t *controld_api, bool do_fail_resource, const char *host_uname, const char *rsc_id, pcmk_scheduler_t *scheduler) { pcmk__output_t *out = scheduler->priv->out; const char *router_node = host_uname; const char *rsc_api_id = NULL; const char *rsc_long_id = NULL; const char *rsc_class = NULL; const char *rsc_provider = NULL; const char *rsc_type = NULL; bool cib_only = false; - pcmk_resource_t *rsc = pe_find_resource(scheduler->resources, rsc_id); + pcmk_resource_t *rsc = pe_find_resource(scheduler->priv->resources, rsc_id); if (rsc == NULL) { out->err(out, "Resource %s not found", rsc_id); return ENXIO; } else if (!pcmk__is_primitive(rsc)) { out->err(out, "We can only process primitive resources, not %s", rsc_id); return EINVAL; } rsc_class = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS); rsc_provider = crm_element_value(rsc->priv->xml, PCMK_XA_PROVIDER); rsc_type = crm_element_value(rsc->priv->xml, PCMK_XA_TYPE); if ((rsc_class == NULL) || (rsc_type == NULL)) { out->err(out, "Resource %s does not have a class and type", rsc_id); return EINVAL; } { pcmk_node_t *node = pcmk_find_node(scheduler, host_uname); if (node == NULL) { out->err(out, "Node %s not found", host_uname); return pcmk_rc_node_unknown; } if (!(node->details->online)) { if (do_fail_resource) { out->err(out, "Node %s is not online", host_uname); return ENOTCONN; } else { cib_only = true; } } if (!cib_only && pcmk__is_pacemaker_remote_node(node)) { node = pcmk__current_node(node->priv->remote); if (node == NULL) { out->err(out, "No cluster connection to Pacemaker Remote node %s detected", host_uname); return ENOTCONN; } router_node = node->priv->name; } } if (rsc->priv->history_id != NULL) { rsc_api_id = rsc->priv->history_id; rsc_long_id = rsc->id; } else { rsc_api_id = rsc->id; } if (do_fail_resource) { return pcmk_controld_api_fail(controld_api, host_uname, router_node, rsc_api_id, rsc_long_id, rsc_class, rsc_provider, rsc_type); } else { return pcmk_controld_api_refresh(controld_api, host_uname, router_node, rsc_api_id, rsc_long_id, rsc_class, rsc_provider, rsc_type, cib_only); } } /*! * \internal * \brief Get resource name as used in failure-related node attributes * * \param[in] rsc Resource to check * * \return Newly allocated string containing resource's fail name * \note The caller is responsible for freeing the result. */ static inline char * rsc_fail_name(const pcmk_resource_t *rsc) { const char *name = pcmk__s(rsc->priv->history_id, rsc->id); if (pcmk_is_set(rsc->flags, pcmk__rsc_unique)) { return strdup(name); } return clone_strip(name); } // \return Standard Pacemaker return code static int clear_rsc_history(pcmk_ipc_api_t *controld_api, const char *host_uname, const char *rsc_id, pcmk_scheduler_t *scheduler) { int rc = pcmk_rc_ok; /* Erase the resource's entire LRM history in the CIB, even if we're only * clearing a single operation's fail count. If we erased only entries for a * single operation, we might wind up with a wrong idea of the current * resource state, and we might not re-probe the resource. */ rc = send_lrm_rsc_op(controld_api, false, host_uname, rsc_id, scheduler); if (rc != pcmk_rc_ok) { return rc; } crm_trace("Processing %d mainloop inputs", pcmk_controld_api_replies_expected(controld_api)); while (g_main_context_iteration(NULL, FALSE)) { crm_trace("Processed mainloop input, %d still remaining", pcmk_controld_api_replies_expected(controld_api)); } return rc; } // \return Standard Pacemaker return code static int clear_rsc_failures(pcmk__output_t *out, pcmk_ipc_api_t *controld_api, const char *node_name, const char *rsc_id, const char *operation, const char *interval_spec, pcmk_scheduler_t *scheduler) { int rc = pcmk_rc_ok; const char *failed_value = NULL; const char *failed_id = NULL; char *interval_ms_s = NULL; GHashTable *rscs = NULL; GHashTableIter iter; /* Create a hash table to use as a set of resources to clean. This lets us * clean each resource only once (per node) regardless of how many failed * operations it has. */ rscs = pcmk__strkey_table(NULL, NULL); // Normalize interval to milliseconds for comparison to history entry if (operation) { guint interval_ms = 0U; pcmk_parse_interval_spec(interval_spec, &interval_ms); interval_ms_s = crm_strdup_printf("%u", interval_ms); } for (xmlNode *xml_op = pcmk__xe_first_child(scheduler->failed, NULL, NULL, NULL); xml_op != NULL; xml_op = pcmk__xe_next(xml_op)) { failed_id = crm_element_value(xml_op, PCMK__XA_RSC_ID); if (failed_id == NULL) { // Malformed history entry, should never happen continue; } // No resource specified means all resources match if (rsc_id) { pcmk_resource_t *fail_rsc = NULL; - fail_rsc = pe_find_resource_with_flags(scheduler->resources, + fail_rsc = pe_find_resource_with_flags(scheduler->priv->resources, failed_id, pcmk_rsc_match_history |pcmk_rsc_match_anon_basename); if (!fail_rsc || !pcmk__str_eq(rsc_id, fail_rsc->id, pcmk__str_casei)) { continue; } } // Host name should always have been provided by this point failed_value = crm_element_value(xml_op, PCMK_XA_UNAME); if (!pcmk__str_eq(node_name, failed_value, pcmk__str_casei)) { continue; } // No operation specified means all operations match if (operation) { failed_value = crm_element_value(xml_op, PCMK_XA_OPERATION); if (!pcmk__str_eq(operation, failed_value, pcmk__str_casei)) { continue; } // Interval (if operation was specified) defaults to 0 (not all) failed_value = crm_element_value(xml_op, PCMK_META_INTERVAL); if (!pcmk__str_eq(interval_ms_s, failed_value, pcmk__str_casei)) { continue; } } g_hash_table_add(rscs, (gpointer) failed_id); } free(interval_ms_s); g_hash_table_iter_init(&iter, rscs); while (g_hash_table_iter_next(&iter, (gpointer *) &failed_id, NULL)) { crm_debug("Erasing failures of %s on %s", failed_id, node_name); rc = clear_rsc_history(controld_api, node_name, failed_id, scheduler); if (rc != pcmk_rc_ok) { return rc; } } g_hash_table_destroy(rscs); return rc; } // \return Standard Pacemaker return code static int clear_rsc_fail_attrs(const pcmk_resource_t *rsc, const char *operation, const char *interval_spec, const pcmk_node_t *node) { int rc = pcmk_rc_ok; int attr_options = pcmk__node_attr_none; char *rsc_name = rsc_fail_name(rsc); if (pcmk__is_pacemaker_remote_node(node)) { attr_options |= pcmk__node_attr_remote; } rc = pcmk__attrd_api_clear_failures(NULL, node->priv->name, rsc_name, operation, interval_spec, NULL, attr_options); free(rsc_name); return rc; } // \return Standard Pacemaker return code int cli_resource_delete(pcmk_ipc_api_t *controld_api, const char *host_uname, const pcmk_resource_t *rsc, const char *operation, const char *interval_spec, bool just_failures, pcmk_scheduler_t *scheduler, gboolean force) { pcmk__output_t *out = scheduler->priv->out; int rc = pcmk_rc_ok; pcmk_node_t *node = NULL; if (rsc == NULL) { return ENXIO; } else if (rsc->priv->children != NULL) { for (const GList *lpc = rsc->priv->children; lpc != NULL; lpc = lpc->next) { const pcmk_resource_t *child = (const pcmk_resource_t *) lpc->data; rc = cli_resource_delete(controld_api, host_uname, child, operation, interval_spec, just_failures, scheduler, force); if (rc != pcmk_rc_ok) { return rc; } } return pcmk_rc_ok; } else if (host_uname == NULL) { GList *lpc = NULL; GList *nodes = g_hash_table_get_values(rsc->priv->probed_nodes); if(nodes == NULL && force) { nodes = pcmk__copy_node_list(scheduler->nodes, false); } else if ((nodes == NULL) && pcmk_is_set(rsc->flags, pcmk__rsc_exclusive_probes)) { GHashTableIter iter; pcmk_node_t *node = NULL; g_hash_table_iter_init(&iter, rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void**)&node)) { if (node->assign->score >= 0) { nodes = g_list_prepend(nodes, node); } } } else if(nodes == NULL) { nodes = g_hash_table_get_values(rsc->priv->allowed_nodes); } for (lpc = nodes; lpc != NULL; lpc = lpc->next) { node = (pcmk_node_t *) lpc->data; if (node->details->online) { rc = cli_resource_delete(controld_api, node->priv->name, rsc, operation, interval_spec, just_failures, scheduler, force); } if (rc != pcmk_rc_ok) { g_list_free(nodes); return rc; } } g_list_free(nodes); return pcmk_rc_ok; } node = pcmk_find_node(scheduler, host_uname); if (node == NULL) { out->err(out, "Unable to clean up %s because node %s not found", rsc->id, host_uname); return ENODEV; } if (!pcmk_is_set(node->priv->flags, pcmk__node_probes_allowed)) { out->err(out, "Unable to clean up %s because resource discovery disabled on %s", rsc->id, host_uname); return EOPNOTSUPP; } if (controld_api == NULL) { out->err(out, "Dry run: skipping clean-up of %s on %s due to CIB_file", rsc->id, host_uname); return pcmk_rc_ok; } rc = clear_rsc_fail_attrs(rsc, operation, interval_spec, node); if (rc != pcmk_rc_ok) { out->err(out, "Unable to clean up %s failures on %s: %s", rsc->id, host_uname, pcmk_rc_str(rc)); return rc; } if (just_failures) { rc = clear_rsc_failures(out, controld_api, host_uname, rsc->id, operation, interval_spec, scheduler); } else { rc = clear_rsc_history(controld_api, host_uname, rsc->id, scheduler); } if (rc != pcmk_rc_ok) { out->err(out, "Cleaned %s failures on %s, but unable to clean history: %s", rsc->id, host_uname, pcmk_rc_str(rc)); } else { out->info(out, "Cleaned up %s on %s", rsc->id, host_uname); } return rc; } // \return Standard Pacemaker return code int cli_cleanup_all(pcmk_ipc_api_t *controld_api, const char *node_name, const char *operation, const char *interval_spec, pcmk_scheduler_t *scheduler) { pcmk__output_t *out = scheduler->priv->out; int rc = pcmk_rc_ok; int attr_options = pcmk__node_attr_none; const char *display_name = node_name? node_name : "all nodes"; if (controld_api == NULL) { out->info(out, "Dry run: skipping clean-up of %s due to CIB_file", display_name); return rc; } if (node_name) { pcmk_node_t *node = pcmk_find_node(scheduler, node_name); if (node == NULL) { out->err(out, "Unknown node: %s", node_name); return ENXIO; } if (pcmk__is_pacemaker_remote_node(node)) { attr_options |= pcmk__node_attr_remote; } } rc = pcmk__attrd_api_clear_failures(NULL, node_name, NULL, operation, interval_spec, NULL, attr_options); if (rc != pcmk_rc_ok) { out->err(out, "Unable to clean up all failures on %s: %s", display_name, pcmk_rc_str(rc)); return rc; } if (node_name) { rc = clear_rsc_failures(out, controld_api, node_name, NULL, operation, interval_spec, scheduler); if (rc != pcmk_rc_ok) { out->err(out, "Cleaned all resource failures on %s, but unable to clean history: %s", node_name, pcmk_rc_str(rc)); return rc; } } else { for (GList *iter = scheduler->nodes; iter; iter = iter->next) { pcmk_node_t *node = (pcmk_node_t *) iter->data; rc = clear_rsc_failures(out, controld_api, node->priv->name, NULL, operation, interval_spec, scheduler); if (rc != pcmk_rc_ok) { out->err(out, "Cleaned all resource failures on all nodes, but unable to clean history: %s", pcmk_rc_str(rc)); return rc; } } } out->info(out, "Cleaned up all resources on %s", display_name); return rc; } static void check_role(resource_checks_t *checks) { const char *role_s = g_hash_table_lookup(checks->rsc->priv->meta, PCMK_META_TARGET_ROLE); if (role_s == NULL) { return; } switch (pcmk_parse_role(role_s)) { case pcmk_role_stopped: checks->flags |= rsc_remain_stopped; break; case pcmk_role_unpromoted: if (pcmk_is_set(pe__const_top_resource(checks->rsc, false)->flags, pcmk__rsc_promotable)) { checks->flags |= rsc_unpromotable; } break; default: break; } } static void check_managed(resource_checks_t *checks) { const char *managed_s = g_hash_table_lookup(checks->rsc->priv->meta, PCMK_META_IS_MANAGED); if ((managed_s != NULL) && !crm_is_true(managed_s)) { checks->flags |= rsc_unmanaged; } } static void check_locked(resource_checks_t *checks) { const pcmk_node_t *lock_node = checks->rsc->priv->lock_node; if (lock_node != NULL) { checks->flags |= rsc_locked; checks->lock_node = lock_node->priv->name; } } static bool node_is_unhealthy(pcmk_node_t *node) { switch (pe__health_strategy(node->priv->scheduler)) { case pcmk__health_strategy_none: break; case pcmk__health_strategy_no_red: if (pe__node_health(node) < 0) { return true; } break; case pcmk__health_strategy_only_green: if (pe__node_health(node) <= 0) { return true; } break; case pcmk__health_strategy_progressive: case pcmk__health_strategy_custom: /* @TODO These are finite scores, possibly with rules, and possibly * combining with other scores, so attributing these as a cause is * nontrivial. */ break; } return false; } static void check_node_health(resource_checks_t *checks, pcmk_node_t *node) { if (node == NULL) { GHashTableIter iter; bool allowed = false; bool all_nodes_unhealthy = true; g_hash_table_iter_init(&iter, checks->rsc->priv->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) { allowed = true; if (!node_is_unhealthy(node)) { all_nodes_unhealthy = false; break; } } if (allowed && all_nodes_unhealthy) { checks->flags |= rsc_node_health; } } else if (node_is_unhealthy(node)) { checks->flags |= rsc_node_health; } } int cli_resource_check(pcmk__output_t *out, pcmk_resource_t *rsc, pcmk_node_t *node) { resource_checks_t checks = { .rsc = rsc }; check_role(&checks); check_managed(&checks); check_locked(&checks); check_node_health(&checks, node); return out->message(out, "resource-check-list", &checks); } // \return Standard Pacemaker return code int cli_resource_fail(pcmk_ipc_api_t *controld_api, const char *host_uname, const char *rsc_id, pcmk_scheduler_t *scheduler) { crm_notice("Failing %s on %s", rsc_id, host_uname); return send_lrm_rsc_op(controld_api, true, host_uname, rsc_id, scheduler); } static GHashTable * generate_resource_params(pcmk_resource_t *rsc, pcmk_node_t *node, pcmk_scheduler_t *scheduler) { GHashTable *params = NULL; GHashTable *meta = NULL; GHashTable *combined = NULL; GHashTableIter iter; char *key = NULL; char *value = NULL; combined = pcmk__strkey_table(free, free); params = pe_rsc_params(rsc, node, scheduler); if (params != NULL) { g_hash_table_iter_init(&iter, params); while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) { pcmk__insert_dup(combined, key, value); } } meta = pcmk__strkey_table(free, free); get_meta_attributes(meta, rsc, NULL, scheduler); if (meta != NULL) { g_hash_table_iter_init(&iter, meta); while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) { char *crm_name = crm_meta_name(key); g_hash_table_insert(combined, crm_name, strdup(value)); } g_hash_table_destroy(meta); } return combined; } bool resource_is_running_on(pcmk_resource_t *rsc, const char *host) { bool found = true; GList *hIter = NULL; GList *hosts = NULL; if (rsc == NULL) { return false; } rsc->priv->fns->location(rsc, &hosts, TRUE); for (hIter = hosts; host != NULL && hIter != NULL; hIter = hIter->next) { pcmk_node_t *node = (pcmk_node_t *) hIter->data; if (pcmk__strcase_any_of(host, node->priv->name, node->priv->id, NULL)) { crm_trace("Resource %s is running on %s\n", rsc->id, host); goto done; } } if (host != NULL) { crm_trace("Resource %s is not running on: %s\n", rsc->id, host); found = false; } else if(host == NULL && hosts == NULL) { crm_trace("Resource %s is not running\n", rsc->id); found = false; } done: g_list_free(hosts); return found; } /*! * \internal * \brief Create a list of all resources active on host from a given list * * \param[in] host Name of host to check whether resources are active * \param[in] rsc_list List of resources to check * * \return New list of resources from list that are active on host */ static GList * get_active_resources(const char *host, GList *rsc_list) { GList *rIter = NULL; GList *active = NULL; for (rIter = rsc_list; rIter != NULL; rIter = rIter->next) { pcmk_resource_t *rsc = (pcmk_resource_t *) rIter->data; /* Expand groups to their members, because if we're restarting a member * other than the first, we can't otherwise tell which resources are * stopping and starting. */ if (pcmk__is_group(rsc)) { GList *member_active = NULL; member_active = get_active_resources(host, rsc->priv->children); active = g_list_concat(active, member_active); } else if (resource_is_running_on(rsc, host)) { active = g_list_append(active, strdup(rsc->id)); } } return active; } static void dump_list(GList *items, const char *tag) { int lpc = 0; GList *item = NULL; for (item = items; item != NULL; item = item->next) { crm_trace("%s[%d]: %s", tag, lpc, (char*)item->data); lpc++; } } static void display_list(pcmk__output_t *out, GList *items, const char *tag) { GList *item = NULL; for (item = items; item != NULL; item = item->next) { out->info(out, "%s%s", tag, (const char *)item->data); } } /*! * \internal * \brief Upgrade XML to latest schema version and use it as scheduler input * * This also updates the scheduler timestamp to the current time. * * \param[in,out] scheduler Scheduler data to update * \param[in,out] xml XML to use as input * * \return Standard Pacemaker return code * \note On success, caller is responsible for freeing memory allocated for * scheduler->priv->now. */ int update_scheduler_input(pcmk_scheduler_t *scheduler, xmlNode **xml) { int rc = pcmk_update_configured_schema(xml, false); if (rc == pcmk_rc_ok) { scheduler->input = *xml; scheduler->priv->now = crm_time_new(NULL); } return pcmk_rc_ok; } /*! * \internal * \brief Update scheduler XML input based on a CIB query * * \param[in] scheduler Scheduler data to initialize * \param[in] cib Connection to the CIB manager * * \return Standard Pacemaker return code * \note On success, caller is responsible for freeing memory allocated for * scheduler->input and scheduler->priv->now. */ static int update_scheduler_input_to_cib(pcmk__output_t *out, pcmk_scheduler_t *scheduler, cib_t *cib) { xmlNode *cib_xml_copy = NULL; int rc = pcmk_rc_ok; rc = cib->cmds->query(cib, NULL, &cib_xml_copy, cib_sync_call); rc = pcmk_legacy2rc(rc); if (rc != pcmk_rc_ok) { out->err(out, "Could not obtain the current CIB: %s (%d)", pcmk_rc_str(rc), rc); return rc; } rc = update_scheduler_input(scheduler, &cib_xml_copy); if (rc != pcmk_rc_ok) { out->err(out, "Could not upgrade the current CIB XML"); pcmk__xml_free(cib_xml_copy); return rc; } return rc; } // \return Standard Pacemaker return code static int update_dataset(cib_t *cib, pcmk_scheduler_t *scheduler, bool simulate) { char *pid = NULL; char *shadow_file = NULL; cib_t *shadow_cib = NULL; int rc = pcmk_rc_ok; pcmk__output_t *out = scheduler->priv->out; pe_reset_working_set(scheduler); pcmk__set_scheduler_flags(scheduler, pcmk__sched_no_counts|pcmk__sched_no_compat); rc = update_scheduler_input_to_cib(out, scheduler, cib); if (rc != pcmk_rc_ok) { return rc; } if(simulate) { bool prev_quiet = false; pid = pcmk__getpid_s(); shadow_cib = cib_shadow_new(pid); shadow_file = get_shadow_file(pid); if (shadow_cib == NULL) { out->err(out, "Could not create shadow cib: '%s'", pid); rc = ENXIO; goto done; } rc = pcmk__xml_write_file(scheduler->input, shadow_file, false); if (rc != pcmk_rc_ok) { out->err(out, "Could not populate shadow cib: %s", pcmk_rc_str(rc)); goto done; } rc = shadow_cib->cmds->signon(shadow_cib, crm_system_name, cib_command); rc = pcmk_legacy2rc(rc); if (rc != pcmk_rc_ok) { out->err(out, "Could not connect to shadow cib: %s", pcmk_rc_str(rc)); goto done; } pcmk__schedule_actions(scheduler->input, pcmk__sched_no_counts|pcmk__sched_no_compat, scheduler); prev_quiet = out->is_quiet(out); out->quiet = true; pcmk__simulate_transition(scheduler, shadow_cib, NULL); out->quiet = prev_quiet; rc = update_dataset(shadow_cib, scheduler, false); } else { cluster_status(scheduler); } done: // Do not free scheduler->input because rsc->priv->xml must remain valid cib_delete(shadow_cib); free(pid); if(shadow_file) { unlink(shadow_file); free(shadow_file); } return rc; } /*! * \internal * \brief Find the maximum stop timeout of a resource and its children (if any) * * \param[in,out] rsc Resource to get timeout for * * \return Maximum stop timeout for \p rsc (in milliseconds) */ static guint max_rsc_stop_timeout(pcmk_resource_t *rsc) { long long result_ll; guint max_delay = 0; xmlNode *config = NULL; GHashTable *meta = NULL; if (rsc == NULL) { return 0; } // If resource is collective, use maximum of its children's stop timeouts if (rsc->priv->children != NULL) { for (GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { pcmk_resource_t *child = iter->data; guint delay = max_rsc_stop_timeout(child); if (delay > max_delay) { pcmk__rsc_trace(rsc, "Maximum stop timeout for %s is now %s " "due to %s", rsc->id, pcmk__readable_interval(delay), child->id); max_delay = delay; } } return max_delay; } // Get resource's stop action configuration from CIB config = pcmk__find_action_config(rsc, PCMK_ACTION_STOP, 0, true); /* Get configured timeout for stop action (fully evaluated for rules, * defaults, etc.). * * @TODO This currently ignores node (which might matter for rules) */ meta = pcmk__unpack_action_meta(rsc, NULL, PCMK_ACTION_STOP, 0, config); if ((pcmk__scan_ll(g_hash_table_lookup(meta, PCMK_META_TIMEOUT), &result_ll, -1LL) == pcmk_rc_ok) && (result_ll >= 0)) { max_delay = (guint) QB_MIN(result_ll, UINT_MAX); } g_hash_table_destroy(meta); return max_delay; } /*! * \internal * \brief Find a reasonable waiting time for stopping any one resource in a list * * \param[in,out] scheduler Scheduler data * \param[in] resources List of names of resources that will be stopped * * \return Rough estimate of a reasonable time to wait (in seconds) to stop any * one resource in \p resources * \note This estimate is very rough, simply the maximum stop timeout of all * given resources and their children, plus a small fudge factor. It does * not account for children that must be stopped in sequence, action * throttling, or any demotions needed. It checks the stop timeout, even * if the resources in question are actually being started. */ static guint wait_time_estimate(pcmk_scheduler_t *scheduler, const GList *resources) { guint max_delay = 0U; // Find maximum stop timeout in milliseconds for (const GList *item = resources; item != NULL; item = item->next) { - pcmk_resource_t *rsc = pe_find_resource(scheduler->resources, + pcmk_resource_t *rsc = pe_find_resource(scheduler->priv->resources, (const char *) item->data); guint delay = max_rsc_stop_timeout(rsc); if (delay > max_delay) { pcmk__rsc_trace(rsc, "Wait time is now %s due to %s", pcmk__readable_interval(delay), rsc->id); max_delay = delay; } } return (max_delay / 1000U) + 5U; } #define waiting_for_starts(d, r, h) ((d != NULL) || \ (!resource_is_running_on((r), (h)))) /*! * \internal * \brief Restart a resource (on a particular host if requested). * * \param[in,out] out Output object * \param[in,out] rsc The resource to restart * \param[in] node Node to restart resource on (NULL for all) * \param[in] move_lifetime If not NULL, how long constraint should * remain in effect (as ISO 8601 string) * \param[in] timeout_ms Consider failed if actions do not complete * in this time (specified in milliseconds, * but a two-second granularity is actually * used; if 0, it will be calculated based on * the resource timeout) * \param[in,out] cib Connection to the CIB manager * \param[in] cib_options Group of enum cib_call_options flags to * use with CIB calls * \param[in] promoted_role_only If true, limit to promoted instances * \param[in] force If true, apply only to requested instance * if part of a collective resource * * \return Standard Pacemaker return code (exits on certain failures) */ int cli_resource_restart(pcmk__output_t *out, pcmk_resource_t *rsc, const pcmk_node_t *node, const char *move_lifetime, guint timeout_ms, cib_t *cib, int cib_options, gboolean promoted_role_only, gboolean force) { int rc = pcmk_rc_ok; int lpc = 0; int before = 0; guint step_timeout_s = 0; guint sleep_interval = 2U; guint timeout = timeout_ms / 1000U; bool stop_via_ban = false; char *rsc_id = NULL; char *lookup_id = NULL; char *orig_target_role = NULL; GList *list_delta = NULL; GList *target_active = NULL; GList *current_active = NULL; GList *restart_target_active = NULL; pcmk_scheduler_t *scheduler = NULL; pcmk_resource_t *parent = uber_parent(rsc); bool running = false; const char *id = pcmk__s(rsc->priv->history_id, rsc->id); const char *host = node ? node->priv->name : NULL; /* If the implicit resource or primitive resource of a bundle is given, operate on the * bundle itself instead. */ if (pcmk__is_bundled(rsc)) { rsc = parent->priv->parent; } running = resource_is_running_on(rsc, host); if (pcmk__is_clone(parent) && !running) { if (pcmk__is_unique_clone(parent)) { lookup_id = strdup(rsc->id); } else { lookup_id = clone_strip(rsc->id); } rsc = parent->priv->fns->find_rsc(parent, lookup_id, node, pcmk_rsc_match_basename |pcmk_rsc_match_current_node); free(lookup_id); running = resource_is_running_on(rsc, host); } if (!running) { if (host) { out->err(out, "%s is not running on %s and so cannot be restarted", id, host); } else { out->err(out, "%s is not running anywhere and so cannot be restarted", id); } return ENXIO; } if (!pcmk_is_set(rsc->flags, pcmk__rsc_managed)) { out->err(out, "Unmanaged resources cannot be restarted."); return EAGAIN; } rsc_id = strdup(rsc->id); if (pcmk__is_unique_clone(parent)) { lookup_id = strdup(rsc->id); } else { lookup_id = clone_strip(rsc->id); } if (host) { if (pcmk__is_clone(rsc) || pe_bundle_replicas(rsc)) { stop_via_ban = true; } else if (pcmk__is_clone(parent)) { stop_via_ban = true; free(lookup_id); lookup_id = strdup(parent->id); } } /* grab full cib determine originally active resources disable or ban poll cib and watch for affected resources to get stopped without --timeout, calculate the stop timeout for each step and wait for that if we hit --timeout or the service timeout, re-enable or un-ban, report failure and indicate which resources we couldn't take down if everything stopped, re-enable or un-ban poll cib and watch for affected resources to get started without --timeout, calculate the start timeout for each step and wait for that if we hit --timeout or the service timeout, report (different) failure and indicate which resources we couldn't bring back up report success Optimizations: - use constraints to determine ordered list of affected resources - Allow a --no-deps option (aka. --force-restart) */ scheduler = pe_new_working_set(); if (scheduler == NULL) { rc = errno; out->err(out, "Could not allocate scheduler data: %s", pcmk_rc_str(rc)); goto done; } scheduler->priv->out = out; rc = update_dataset(cib, scheduler, false); if(rc != pcmk_rc_ok) { out->err(out, "Could not get new resource list: %s (%d)", pcmk_rc_str(rc), rc); goto done; } - restart_target_active = get_active_resources(host, scheduler->resources); - current_active = get_active_resources(host, scheduler->resources); + restart_target_active = get_active_resources(host, + scheduler->priv->resources); + current_active = get_active_resources(host, scheduler->priv->resources); dump_list(current_active, "Origin"); if (stop_via_ban) { /* Stop the clone or bundle instance by banning it from the host */ out->quiet = true; rc = cli_resource_ban(out, lookup_id, host, move_lifetime, cib, cib_options, promoted_role_only, PCMK_ROLE_PROMOTED); } else { xmlNode *xml_search = NULL; /* Stop the resource by setting PCMK_META_TARGET_ROLE to Stopped. * Remember any existing PCMK_META_TARGET_ROLE so we can restore it * later (though it only makes any difference if it's Unpromoted). */ rc = find_resource_attr(out, cib, PCMK_XA_VALUE, lookup_id, NULL, NULL, NULL, PCMK_META_TARGET_ROLE, &xml_search); if (rc == pcmk_rc_ok) { orig_target_role = crm_element_value_copy(xml_search, PCMK_XA_VALUE); } pcmk__xml_free(xml_search); rc = cli_resource_update_attribute(rsc, rsc_id, NULL, PCMK_XE_META_ATTRIBUTES, NULL, PCMK_META_TARGET_ROLE, PCMK_ACTION_STOPPED, FALSE, cib, force); } if(rc != pcmk_rc_ok) { out->err(out, "Could not set " PCMK_META_TARGET_ROLE " for %s: %s (%d)", rsc_id, pcmk_rc_str(rc), rc); if (current_active != NULL) { g_list_free_full(current_active, free); current_active = NULL; } if (restart_target_active != NULL) { g_list_free_full(restart_target_active, free); restart_target_active = NULL; } goto done; } rc = update_dataset(cib, scheduler, true); if(rc != pcmk_rc_ok) { out->err(out, "Could not determine which resources would be stopped"); goto failure; } - target_active = get_active_resources(host, scheduler->resources); + target_active = get_active_resources(host, scheduler->priv->resources); dump_list(target_active, "Target"); list_delta = pcmk__subtract_lists(current_active, target_active, (GCompareFunc) strcmp); out->info(out, "Waiting for %d resources to stop:", g_list_length(list_delta)); display_list(out, list_delta, " * "); step_timeout_s = timeout / sleep_interval; while (list_delta != NULL) { before = g_list_length(list_delta); if(timeout_ms == 0) { step_timeout_s = wait_time_estimate(scheduler, list_delta) / sleep_interval; } /* We probably don't need the entire step timeout */ for(lpc = 0; (lpc < step_timeout_s) && (list_delta != NULL); lpc++) { sleep(sleep_interval); if(timeout) { timeout -= sleep_interval; crm_trace("%us remaining", timeout); } rc = update_dataset(cib, scheduler, FALSE); if(rc != pcmk_rc_ok) { out->err(out, "Could not determine which resources were stopped"); goto failure; } if (current_active != NULL) { g_list_free_full(current_active, free); } - current_active = get_active_resources(host, scheduler->resources); + current_active = get_active_resources(host, + scheduler->priv->resources); g_list_free(list_delta); list_delta = pcmk__subtract_lists(current_active, target_active, (GCompareFunc) strcmp); dump_list(current_active, "Current"); dump_list(list_delta, "Delta"); } crm_trace("%d (was %d) resources remaining", g_list_length(list_delta), before); if(before == g_list_length(list_delta)) { /* aborted during stop phase, print the contents of list_delta */ out->err(out, "Could not complete shutdown of %s, %d resources remaining", rsc_id, g_list_length(list_delta)); display_list(out, list_delta, " * "); rc = ETIME; goto failure; } } if (stop_via_ban) { rc = cli_resource_clear(lookup_id, host, NULL, cib, cib_options, true, force); } else if (orig_target_role) { rc = cli_resource_update_attribute(rsc, rsc_id, NULL, PCMK_XE_META_ATTRIBUTES, NULL, PCMK_META_TARGET_ROLE, orig_target_role, FALSE, cib, force); free(orig_target_role); orig_target_role = NULL; } else { rc = cli_resource_delete_attribute(rsc, rsc_id, NULL, PCMK_XE_META_ATTRIBUTES, NULL, PCMK_META_TARGET_ROLE, cib, cib_options, force); } if(rc != pcmk_rc_ok) { out->err(out, "Could not unset " PCMK_META_TARGET_ROLE " for %s: %s (%d)", rsc_id, pcmk_rc_str(rc), rc); goto done; } if (target_active != NULL) { g_list_free_full(target_active, free); } target_active = restart_target_active; list_delta = pcmk__subtract_lists(target_active, current_active, (GCompareFunc) strcmp); out->info(out, "Waiting for %d resources to start again:", g_list_length(list_delta)); display_list(out, list_delta, " * "); step_timeout_s = timeout / sleep_interval; while (waiting_for_starts(list_delta, rsc, host)) { before = g_list_length(list_delta); if(timeout_ms == 0) { step_timeout_s = wait_time_estimate(scheduler, list_delta) / sleep_interval; } /* We probably don't need the entire step timeout */ for (lpc = 0; (lpc < step_timeout_s) && waiting_for_starts(list_delta, rsc, host); lpc++) { sleep(sleep_interval); if(timeout) { timeout -= sleep_interval; crm_trace("%ds remaining", timeout); } rc = update_dataset(cib, scheduler, false); if(rc != pcmk_rc_ok) { out->err(out, "Could not determine which resources were started"); goto failure; } /* It's OK if dependent resources moved to a different node, * so we check active resources on all nodes. */ if (current_active != NULL) { g_list_free_full(current_active, free); } - current_active = get_active_resources(NULL, scheduler->resources); + current_active = get_active_resources(NULL, + scheduler->priv->resources); g_list_free(list_delta); list_delta = pcmk__subtract_lists(target_active, current_active, (GCompareFunc) strcmp); dump_list(current_active, "Current"); dump_list(list_delta, "Delta"); } if(before == g_list_length(list_delta)) { /* aborted during start phase, print the contents of list_delta */ out->err(out, "Could not complete restart of %s, %d resources remaining", rsc_id, g_list_length(list_delta)); display_list(out, list_delta, " * "); rc = ETIME; goto failure; } } rc = pcmk_rc_ok; goto done; failure: if (stop_via_ban) { cli_resource_clear(lookup_id, host, NULL, cib, cib_options, true, force); } else if (orig_target_role) { cli_resource_update_attribute(rsc, rsc_id, NULL, PCMK_XE_META_ATTRIBUTES, NULL, PCMK_META_TARGET_ROLE, orig_target_role, FALSE, cib, force); free(orig_target_role); } else { cli_resource_delete_attribute(rsc, rsc_id, NULL, PCMK_XE_META_ATTRIBUTES, NULL, PCMK_META_TARGET_ROLE, cib, cib_options, force); } done: if (list_delta != NULL) { g_list_free(list_delta); } if (current_active != NULL) { g_list_free_full(current_active, free); } if (target_active != NULL && (target_active != restart_target_active)) { g_list_free_full(target_active, free); } if (restart_target_active != NULL) { g_list_free_full(restart_target_active, free); } free(rsc_id); free(lookup_id); pe_free_working_set(scheduler); return rc; } static inline bool action_is_pending(const pcmk_action_t *action) { if (pcmk_any_flags_set(action->flags, pcmk__action_optional|pcmk__action_pseudo) || !pcmk_is_set(action->flags, pcmk__action_runnable) || pcmk__str_eq(PCMK_ACTION_NOTIFY, action->task, pcmk__str_casei)) { return false; } return true; } /*! * \internal * \brief Check whether any actions in a list are pending * * \param[in] actions List of actions to check * * \return true if any actions in the list are pending, otherwise false */ static bool actions_are_pending(const GList *actions) { for (const GList *action = actions; action != NULL; action = action->next) { const pcmk_action_t *a = (const pcmk_action_t *) action->data; if (action_is_pending(a)) { crm_notice("Waiting for %s (flags=%#.8x)", a->uuid, a->flags); return true; } } return false; } static void print_pending_actions(pcmk__output_t *out, GList *actions) { GList *action; out->info(out, "Pending actions:"); for (action = actions; action != NULL; action = action->next) { pcmk_action_t *a = (pcmk_action_t *) action->data; if (!action_is_pending(a)) { continue; } if (a->node) { out->info(out, "\tAction %d: %s\ton %s", a->id, a->uuid, pcmk__node_name(a->node)); } else { out->info(out, "\tAction %d: %s", a->id, a->uuid); } } } /* For --wait, timeout (in seconds) to use if caller doesn't specify one */ #define WAIT_DEFAULT_TIMEOUT_S (60 * 60) /* For --wait, how long to sleep between cluster state checks */ #define WAIT_SLEEP_S (2) /*! * \internal * \brief Wait until all pending cluster actions are complete * * This waits until either the CIB's transition graph is idle or a timeout is * reached. * * \param[in,out] out Output object * \param[in] timeout_ms Consider failed if actions do not complete in * this time (specified in milliseconds, but * one-second granularity is actually used; if 0, a * default will be used) * \param[in,out] cib Connection to the CIB manager * * \return Standard Pacemaker return code */ int wait_till_stable(pcmk__output_t *out, guint timeout_ms, cib_t * cib) { pcmk_scheduler_t *scheduler = NULL; xmlXPathObjectPtr search; int rc = pcmk_rc_ok; bool pending_unknown_state_resources; time_t expire_time = time(NULL); time_t time_diff; bool printed_version_warning = out->is_quiet(out); // i.e. don't print if quiet char *xpath = NULL; if (timeout_ms == 0) { expire_time += WAIT_DEFAULT_TIMEOUT_S; } else { expire_time += (timeout_ms + 999) / 1000; } scheduler = pe_new_working_set(); if (scheduler == NULL) { return ENOMEM; } xpath = crm_strdup_printf("/" PCMK_XE_CIB "/" PCMK_XE_STATUS "/" PCMK__XE_NODE_STATE "/" PCMK__XE_LRM "/" PCMK__XE_LRM_RESOURCES "/" PCMK__XE_LRM_RESOURCE "/" PCMK__XE_LRM_RSC_OP "[@" PCMK__XA_RC_CODE "='%d']", PCMK_OCF_UNKNOWN); do { /* Abort if timeout is reached */ time_diff = expire_time - time(NULL); if (time_diff <= 0) { print_pending_actions(out, scheduler->priv->actions); rc = ETIME; break; } crm_info("Waiting up to %lld seconds for cluster actions to complete", (long long) time_diff); if (rc == pcmk_rc_ok) { /* this avoids sleep on first loop iteration */ sleep(WAIT_SLEEP_S); } /* Get latest transition graph */ pe_reset_working_set(scheduler); rc = update_scheduler_input_to_cib(out, scheduler, cib); if (rc != pcmk_rc_ok) { break; } pcmk__schedule_actions(scheduler->input, pcmk__sched_no_counts|pcmk__sched_no_compat, scheduler); if (!printed_version_warning) { /* If the DC has a different version than the local node, the two * could come to different conclusions about what actions need to be * done. Warn the user in this case. * * @TODO A possible long-term solution would be to reimplement the * wait as a new controller operation that would be forwarded to the * DC. However, that would have potential problems of its own. */ const char *dc_version = NULL; dc_version = g_hash_table_lookup(scheduler->priv->options, PCMK_OPT_DC_VERSION); if (!pcmk__str_eq(dc_version, PACEMAKER_VERSION "-" BUILD_VERSION, pcmk__str_casei)) { out->info(out, "warning: wait option may not work properly in " "mixed-version cluster"); printed_version_warning = true; } } search = xpath_search(scheduler->input, xpath); pending_unknown_state_resources = (numXpathResults(search) > 0); freeXpathObject(search); } while (actions_are_pending(scheduler->priv->actions) || pending_unknown_state_resources); pe_free_working_set(scheduler); free(xpath); return rc; } static const char * get_action(const char *rsc_action) { const char *action = NULL; if (pcmk__str_eq(rsc_action, "validate", pcmk__str_casei)) { action = PCMK_ACTION_VALIDATE_ALL; } else if (pcmk__str_eq(rsc_action, "force-check", pcmk__str_casei)) { action = PCMK_ACTION_MONITOR; } else if (pcmk__strcase_any_of(rsc_action, "force-start", "force-stop", "force-demote", "force-promote", NULL)) { action = rsc_action+6; } else { action = rsc_action; } return action; } /*! * \brief Set up environment variables as expected by resource agents * * When the cluster executes resource agents, it adds certain environment * variables (directly or via resource meta-attributes) expected by some * resource agents. Add the essential ones that many resource agents expect, so * the behavior is the same for command-line execution. * * \param[in,out] params Resource parameters that will be passed to agent * \param[in] timeout_ms Action timeout (in milliseconds) * \param[in] check_level OCF check level * \param[in] verbosity Verbosity level */ static void set_agent_environment(GHashTable *params, guint timeout_ms, int check_level, int verbosity) { g_hash_table_insert(params, crm_meta_name(PCMK_META_TIMEOUT), crm_strdup_printf("%u", timeout_ms)); pcmk__insert_dup(params, PCMK_XA_CRM_FEATURE_SET, CRM_FEATURE_SET); if (check_level >= 0) { char *level = crm_strdup_printf("%d", check_level); setenv("OCF_CHECK_LEVEL", level, 1); free(level); } pcmk__set_env_option(PCMK__ENV_DEBUG, ((verbosity > 0)? "1" : "0"), true); if (verbosity > 1) { setenv("OCF_TRACE_RA", "1", 1); } /* A resource agent using the standard ocf-shellfuncs library will not print * messages to stderr if it doesn't have a controlling terminal (e.g. if * crm_resource is called via script or ssh). This forces it to do so. */ setenv("OCF_TRACE_FILE", "/dev/stderr", 0); } /*! * \internal * \brief Apply command-line overrides to resource parameters * * \param[in,out] params Parameters to be passed to agent * \param[in] overrides Parameters to override (or NULL if none) */ static void apply_overrides(GHashTable *params, GHashTable *overrides) { if (overrides != NULL) { GHashTableIter iter; char *name = NULL; char *value = NULL; g_hash_table_iter_init(&iter, overrides); while (g_hash_table_iter_next(&iter, (gpointer *) &name, (gpointer *) &value)) { pcmk__insert_dup(params, name, value); } } } crm_exit_t cli_resource_execute_from_params(pcmk__output_t *out, const char *rsc_name, const char *rsc_class, const char *rsc_prov, const char *rsc_type, const char *rsc_action, GHashTable *params, GHashTable *override_hash, guint timeout_ms, int resource_verbose, gboolean force, int check_level) { const char *class = rsc_class; const char *action = get_action(rsc_action); crm_exit_t exit_code = CRM_EX_OK; svc_action_t *op = NULL; // If no timeout was provided, use the same default as the cluster if (timeout_ms == 0U) { timeout_ms = PCMK_DEFAULT_ACTION_TIMEOUT_MS; } set_agent_environment(params, timeout_ms, check_level, resource_verbose); apply_overrides(params, override_hash); op = services__create_resource_action(rsc_name? rsc_name : "test", rsc_class, rsc_prov, rsc_type, action, 0, QB_MIN(timeout_ms, INT_MAX), params, 0); if (op == NULL) { out->err(out, "Could not execute %s using %s%s%s:%s: %s", action, rsc_class, (rsc_prov? ":" : ""), (rsc_prov? rsc_prov : ""), rsc_type, strerror(ENOMEM)); g_hash_table_destroy(params); return CRM_EX_OSERR; } if (pcmk__str_eq(rsc_class, PCMK_RESOURCE_CLASS_SERVICE, pcmk__str_casei)) { class = resources_find_service_class(rsc_type); } if (!pcmk__strcase_any_of(class, PCMK_RESOURCE_CLASS_OCF, PCMK_RESOURCE_CLASS_LSB, NULL)) { services__format_result(op, CRM_EX_UNIMPLEMENT_FEATURE, PCMK_EXEC_ERROR, "Manual execution of the %s standard is " "unsupported", pcmk__s(class, "unspecified")); } if (op->rc != PCMK_OCF_UNKNOWN) { exit_code = op->rc; goto done; } services_action_sync(op); // Map results to OCF codes for consistent reporting to user { enum ocf_exitcode ocf_code = services_result2ocf(class, action, op->rc); // Cast variable instead of function return to keep compilers happy exit_code = (crm_exit_t) ocf_code; } done: out->message(out, "resource-agent-action", resource_verbose, rsc_class, rsc_prov, rsc_type, rsc_name, rsc_action, override_hash, exit_code, op->status, services__exit_reason(op), op->stdout_data, op->stderr_data); services_action_free(op); return exit_code; } /*! * \internal * \brief Get the timeout the cluster would use for an action * * \param[in] rsc Resource that action is for * \param[in] action Name of action */ static guint get_action_timeout(pcmk_resource_t *rsc, const char *action) { long long timeout_ms = -1LL; xmlNode *op = pcmk__find_action_config(rsc, action, 0, true); GHashTable *meta = pcmk__unpack_action_meta(rsc, NULL, action, 0, op); if ((pcmk__scan_ll(g_hash_table_lookup(meta, PCMK_META_TIMEOUT), &timeout_ms, -1LL) != pcmk_rc_ok) || (timeout_ms <= 0LL)) { timeout_ms = PCMK_DEFAULT_ACTION_TIMEOUT_MS; } g_hash_table_destroy(meta); return (guint) QB_MIN(timeout_ms, UINT_MAX); } crm_exit_t cli_resource_execute(pcmk_resource_t *rsc, const char *requested_name, const char *rsc_action, GHashTable *override_hash, guint timeout_ms, cib_t *cib, pcmk_scheduler_t *scheduler, int resource_verbose, gboolean force, int check_level) { pcmk__output_t *out = scheduler->priv->out; crm_exit_t exit_code = CRM_EX_OK; const char *rid = requested_name; const char *rtype = NULL; const char *rprov = NULL; const char *rclass = NULL; GHashTable *params = NULL; if (pcmk__strcase_any_of(rsc_action, "force-start", "force-demote", "force-promote", NULL)) { if (pcmk__is_clone(rsc)) { GList *nodes = cli_resource_search(rsc, requested_name, scheduler); if(nodes != NULL && force == FALSE) { out->err(out, "It is not safe to %s %s here: the cluster claims it is already active", rsc_action, rsc->id); out->err(out, "Try setting " PCMK_META_TARGET_ROLE "=" PCMK_ROLE_STOPPED " first or specifying the force option"); return CRM_EX_UNSAFE; } g_list_free_full(nodes, free); } } if (pcmk__is_clone(rsc)) { /* Grab the first child resource in the hope it's not a group */ rsc = rsc->priv->children->data; } if (pcmk__is_group(rsc)) { out->err(out, "Sorry, the %s option doesn't support group resources", rsc_action); return CRM_EX_UNIMPLEMENT_FEATURE; } else if (pcmk__is_bundled(rsc)) { out->err(out, "Sorry, the %s option doesn't support bundled resources", rsc_action); return CRM_EX_UNIMPLEMENT_FEATURE; } rclass = crm_element_value(rsc->priv->xml, PCMK_XA_CLASS); rprov = crm_element_value(rsc->priv->xml, PCMK_XA_PROVIDER); rtype = crm_element_value(rsc->priv->xml, PCMK_XA_TYPE); params = generate_resource_params(rsc, NULL /* @TODO use local node */, scheduler); if (timeout_ms == 0U) { timeout_ms = get_action_timeout(rsc, get_action(rsc_action)); } if (!pcmk__is_anonymous_clone(rsc->priv->parent)) { rid = rsc->id; } exit_code = cli_resource_execute_from_params(out, rid, rclass, rprov, rtype, rsc_action, params, override_hash, timeout_ms, resource_verbose, force, check_level); return exit_code; } // \return Standard Pacemaker return code int cli_resource_move(const pcmk_resource_t *rsc, const char *rsc_id, const char *host_name, const char *move_lifetime, cib_t *cib, int cib_options, pcmk_scheduler_t *scheduler, gboolean promoted_role_only, gboolean force) { pcmk__output_t *out = scheduler->priv->out; int rc = pcmk_rc_ok; unsigned int count = 0; pcmk_node_t *current = NULL; pcmk_node_t *dest = pcmk_find_node(scheduler, host_name); bool cur_is_dest = false; if (dest == NULL) { return pcmk_rc_node_unknown; } if (promoted_role_only && !pcmk_is_set(rsc->flags, pcmk__rsc_promotable)) { const pcmk_resource_t *p = pe__const_top_resource(rsc, false); if (pcmk_is_set(p->flags, pcmk__rsc_promotable)) { out->info(out, "Using parent '%s' for move instead of '%s'.", rsc->id, rsc_id); rsc_id = p->id; rsc = p; } else { out->info(out, "Ignoring --promoted option: %s is not promotable", rsc_id); promoted_role_only = FALSE; } } current = pe__find_active_requires(rsc, &count); if (pcmk_is_set(rsc->flags, pcmk__rsc_promotable)) { unsigned int promoted_count = 0; pcmk_node_t *promoted_node = NULL; for (const GList *iter = rsc->priv->children; iter != NULL; iter = iter->next) { const pcmk_resource_t *child = (const pcmk_resource_t *) iter->data; enum rsc_role_e child_role = child->priv->fns->state(child, TRUE); if (child_role == pcmk_role_promoted) { rsc = child; promoted_node = pcmk__current_node(child); promoted_count++; } } if (promoted_role_only || (promoted_count != 0)) { count = promoted_count; current = promoted_node; } } if (count > 1) { if (pcmk__is_clone(rsc)) { current = NULL; } else { return pcmk_rc_multiple; } } if (pcmk__same_node(current, dest)) { cur_is_dest = true; if (force) { crm_info("%s is already %s on %s, reinforcing placement with location constraint.", rsc_id, promoted_role_only?"promoted":"active", pcmk__node_name(dest)); } else { return pcmk_rc_already; } } /* Clear any previous prefer constraints across all nodes. */ cli_resource_clear(rsc_id, NULL, scheduler->nodes, cib, cib_options, false, force); /* Clear any previous ban constraints on 'dest'. */ cli_resource_clear(rsc_id, dest->priv->name, scheduler->nodes, cib, cib_options, TRUE, force); /* Record an explicit preference for 'dest' */ rc = cli_resource_prefer(out, rsc_id, dest->priv->name, move_lifetime, cib, cib_options, promoted_role_only, PCMK_ROLE_PROMOTED); crm_trace("%s%s now prefers %s%s", rsc->id, (promoted_role_only? " (promoted)" : ""), pcmk__node_name(dest), force?"(forced)":""); /* only ban the previous location if current location != destination location. * it is possible to use -M to enforce a location without regard of where the * resource is currently located */ if (force && !cur_is_dest) { /* Ban the original location if possible */ if(current) { (void)cli_resource_ban(out, rsc_id, current->priv->name, move_lifetime, cib, cib_options, promoted_role_only, PCMK_ROLE_PROMOTED); } else if(count > 1) { out->info(out, "Resource '%s' is currently %s in %d locations. " "One may now move to %s", rsc_id, (promoted_role_only? "promoted" : "active"), count, pcmk__node_name(dest)); out->info(out, "To prevent '%s' from being %s at a specific location, " "specify a node.", rsc_id, (promoted_role_only? "promoted" : "active")); } else { crm_trace("Not banning %s from its current location: not active", rsc_id); } } return rc; }