diff --git a/include/pcmki/pcmki_simulate.h b/include/pcmki/pcmki_simulate.h index 6f55e6f15d..e940a9af7d 100644 --- a/include/pcmki/pcmki_simulate.h +++ b/include/pcmki/pcmki_simulate.h @@ -1,104 +1,104 @@ /* * Copyright 2021-2025 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__PCMKI_PCMKI_SIMULATE__H #define PCMK__PCMKI_PCMKI_SIMULATE__H #include #include #include #include // cib_t #include #include #include #ifdef __cplusplus extern "C" { #endif /*! * \internal * \brief Profile the configuration updates and scheduler actions in every * CIB file in a given directory, printing the profiling timings for * each. * - * \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] out Output object + * \param[in] flags Group of enum pcmk_sim_flags + * \param[in] dir Directory full of CIB files to be profiled + * \param[in] repeat Number of times to run on each input file + * \param[in] use_date Date to set the cluster's time to (can be \c NULL) * - * \param[in] dir A directory full of CIB files to be profiled - * \param[in] repeat Number of times to run on each input file - * \param[in,out] scheduler Scheduler data - * \param[in] use_date The date to set the cluster's time to (may be NULL) + * \return Standard Pacemaker return code */ -void pcmk__profile_dir(const char *dir, long long repeat, - pcmk_scheduler_t *scheduler, const char *use_date); +int pcmk__profile_dir(pcmk__output_t *out, uint32_t flags, const char *dir, + long long repeat, const char *use_date); /*! * \internal * \brief Simulate executing a transition * * \param[in,out] scheduler Scheduler data * \param[in,out] cib CIB object for scheduler input * \param[in] op_fail_list List of actions to simulate as failing * * \return Transition status after simulated execution */ enum pcmk__graph_status pcmk__simulate_transition(pcmk_scheduler_t *scheduler, cib_t *cib, const GList *op_fail_list); /*! * \internal * \brief Simulate a cluster's response to events * * This high-level function essentially implements crm_simulate(8). It operates * on an input CIB file and various lists of events that can be simulated. It * optionally writes out a variety of artifacts to show the results of the * simulation. Output can be modified with various flags. * * \param[in,out] scheduler Scheduler data * \param[in,out] out The output functions structure * \param[in] injections A structure containing cluster events * (node up/down, tickets, injected operations) * and related data * \param[in] flags Group of enum pcmk_sim_flags * \param[in] section_opts Which portions of the cluster status output * should be displayed? * \param[in] use_date The date to set the cluster's time to * (may be NULL) * \param[in] input_file The source CIB file, which may be overwritten by * this function (may be NULL) * \param[in] graph_file Where to write the XML-formatted transition graph * (may be NULL, in which case no file will be * written) * \param[in] dot_file Where to write the dot(1) formatted transition * graph (may be NULL, in which case no file will * be written; see \p pcmk__write_sim_dotfile()) * * \return Standard Pacemaker return code */ int pcmk__simulate(pcmk_scheduler_t *scheduler, pcmk__output_t *out, const pcmk_injections_t *injections, uint32_t flags, uint32_t section_opts, const char *use_date, const char *input_file, const char *graph_file, const char *dot_file); /*! * \internal * * If this global is set to true, simulations will add nodes to the * CIB configuration section, as well as the status section. */ extern bool pcmk__simulate_node_config; #ifdef __cplusplus } #endif #endif // PCMK__PCMKI_PCMKI_SIMULATE__H diff --git a/lib/pacemaker/pcmk_simulate.c b/lib/pacemaker/pcmk_simulate.c index 2374a8b2cb..55231e8f35 100644 --- a/lib/pacemaker/pcmk_simulate.c +++ b/lib/pacemaker/pcmk_simulate.c @@ -1,1022 +1,1035 @@ /* * Copyright 2021-2025 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 // uint32_t +#include // uint32_t, uint64_t #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"); pcmk__assert((n_type != NULL) && (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; } /*! + * \internal * \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 + * \note \p scheduler->priv->out must have been set to a valid \c 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,out] flags Group of enum pcmk__scheduler_flags to set + * in addition to defaults * \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_scheduler_t *scheduler, uint64_t flags, 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_none; pcmk__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) { goto done; } if (!pcmk__validate_xml(cib_object, NULL, NULL, NULL)) { goto done; } - 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) { pcmk_reset_scheduler(scheduler); scheduler->input = cib_object; - pcmk__set_scheduler_flags(scheduler, scheduler_flags); + pcmk__set_scheduler_flags(scheduler, flags); set_effective_date(scheduler, false, use_date); cluster_status(scheduler); pcmk__schedule_actions(NULL, pcmk__sched_none, scheduler); // Avoid freeing cib_object in pcmk_reset_scheduler() scheduler->input = NULL; } pcmk_reset_scheduler(scheduler); end = clock(); out->message(out, "profile", xml_file, start, end); done: pcmk__xml_free(cib_object); } -void -pcmk__profile_dir(const char *dir, long long repeat, - pcmk_scheduler_t *scheduler, const char *use_date) +int +pcmk__profile_dir(pcmk__output_t *out, uint32_t flags, const char *dir, + long long repeat, const char *use_date) { - pcmk__output_t *out = scheduler->priv->out; + pcmk_scheduler_t *scheduler = NULL; + uint64_t scheduler_flags = pcmk__sched_none; struct dirent **namelist; - - int file_num = scandir(dir, &namelist, 0, alphasort); + int file_num = 0; pcmk__assert(out != NULL); + scheduler = pcmk_new_scheduler(); + if (scheduler == NULL) { + return ENOMEM; + } + + scheduler->priv->out = out; + if (pcmk_is_set(flags, pcmk_sim_show_scores)) { + scheduler_flags |= pcmk__sched_output_scores; + } + if (pcmk_is_set(flags, pcmk_sim_show_utilization)) { + scheduler_flags |= pcmk__sched_show_utilization; + } + + file_num = scandir(dir, &namelist, 0, alphasort); 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); + profile_file(buffer, repeat, scheduler, scheduler_flags, + use_date); } free(namelist[file_num]); } free(namelist); out->end_list(out); } + + pcmk_free_scheduler(scheduler); + return pcmk_rc_ok; } /*! * \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; pcmk__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); pcmk__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); pcmk__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; const char *offset = 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; if (pcmk__str_eq(op->op_type, PCMK_ACTION_START, pcmk__str_none)) { offset = pcmk__s(graph->failed_start_offset, PCMK_VALUE_INFINITY); } else if (pcmk__str_eq(op->op_type, PCMK_ACTION_STOP, pcmk__str_none)) { offset = pcmk__s(graph->failed_stop_offset, PCMK_VALUE_INFINITY); } pcmk__inject_failcount(out, fake_cib, cib_node, match_name, op->op_type, op->interval_ms, op->rc, pcmk_str_is_infinity(offset)); 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); pcmk__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); pcmk__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); pcmk__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->priv->graph, crm_system_name); pcmk__log_graph(LOG_DEBUG, transition); 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); pcmk__assert(rc == pcmk_ok); pcmk_reset_scheduler(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, uint32_t 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 (!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->priv->disabled_resources > 0) || (scheduler->priv->blocked_resources > 0)) { 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->priv->disabled_resources, scheduler->priv->ninstances, scheduler->priv->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; } pcmk_reset_scheduler(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_none; 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->priv->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; } // @COMPAT Use uint32_t for flags 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, (uint32_t) flags, (uint32_t) section_opts, use_date, input_file, graph_file, dot_file); pcmk__xml_output_finish(out, pcmk_rc2exitc(rc), xml); return rc; } diff --git a/tools/crm_simulate.c b/tools/crm_simulate.c index cc0b9c2e4f..257ea9fbfb 100644 --- a/tools/crm_simulate.c +++ b/tools/crm_simulate.c @@ -1,585 +1,574 @@ /* * Copyright 2009-2025 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 // uint32_t #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SUMMARY "crm_simulate - simulate a Pacemaker cluster's response to events" struct { char *dot_file; char *graph_file; gchar *input_file; pcmk_injections_t *injections; uint32_t flags; gchar *output_file; long long repeat; gboolean store; gchar *test_dir; char *use_date; char *xml_file; } options = { .flags = pcmk_sim_show_pending | pcmk_sim_sanitized, .repeat = 1 }; uint32_t section_opts = 0; char *temp_shadow = NULL; crm_exit_t exit_code = CRM_EX_OK; #define INDENT " " static pcmk__supported_format_t formats[] = { PCMK__SUPPORTED_FORMAT_NONE, PCMK__SUPPORTED_FORMAT_TEXT, PCMK__SUPPORTED_FORMAT_XML, { NULL, NULL, NULL } }; static gboolean all_actions_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_all_actions; return TRUE; } static gboolean attrs_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { section_opts |= pcmk_section_attributes; return TRUE; } static gboolean failcounts_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { section_opts |= pcmk_section_failcounts | pcmk_section_failures; return TRUE; } static gboolean in_place_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.store = TRUE; options.flags |= pcmk_sim_process | pcmk_sim_simulate; return TRUE; } static gboolean live_check_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { if (options.xml_file) { free(options.xml_file); } options.xml_file = NULL; options.flags &= ~pcmk_sim_sanitized; return TRUE; } static gboolean node_down_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->node_down = g_list_append(options.injections->node_down, g_strdup(optarg)); return TRUE; } static gboolean node_fail_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->node_fail = g_list_append(options.injections->node_fail, g_strdup(optarg)); return TRUE; } static gboolean node_up_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { pcmk__simulate_node_config = true; options.injections->node_up = g_list_append(options.injections->node_up, g_strdup(optarg)); return TRUE; } static gboolean op_fail_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process | pcmk_sim_simulate; options.injections->op_fail = g_list_append(options.injections->op_fail, g_strdup(optarg)); return TRUE; } static gboolean op_inject_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->op_inject = g_list_append(options.injections->op_inject, g_strdup(optarg)); return TRUE; } static gboolean pending_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_show_pending; return TRUE; } static gboolean process_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process; return TRUE; } static gboolean quorum_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { pcmk__str_update(&options.injections->quorum, optarg); return TRUE; } static gboolean save_dotfile_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process; pcmk__str_update(&options.dot_file, optarg); return TRUE; } static gboolean save_graph_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process; pcmk__str_update(&options.graph_file, optarg); return TRUE; } static gboolean show_scores_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process | pcmk_sim_show_scores; return TRUE; } static gboolean simulate_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process | pcmk_sim_simulate; return TRUE; } static gboolean ticket_activate_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->ticket_activate = g_list_append(options.injections->ticket_activate, g_strdup(optarg)); return TRUE; } static gboolean ticket_grant_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->ticket_grant = g_list_append(options.injections->ticket_grant, g_strdup(optarg)); return TRUE; } static gboolean ticket_revoke_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->ticket_revoke = g_list_append(options.injections->ticket_revoke, g_strdup(optarg)); return TRUE; } static gboolean ticket_standby_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.injections->ticket_standby = g_list_append(options.injections->ticket_standby, g_strdup(optarg)); return TRUE; } static gboolean utilization_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { options.flags |= pcmk_sim_process | pcmk_sim_show_utilization; return TRUE; } static gboolean watchdog_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { pcmk__str_update(&options.injections->watchdog, optarg); return TRUE; } static gboolean xml_file_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { pcmk__str_update(&options.xml_file, optarg); options.flags |= pcmk_sim_sanitized; return TRUE; } static gboolean xml_pipe_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) { pcmk__str_update(&options.xml_file, "-"); options.flags |= pcmk_sim_sanitized; return TRUE; } static GOptionEntry operation_entries[] = { { "run", 'R', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, process_cb, "Process the supplied input and show what actions the cluster will take in response", NULL }, { "simulate", 'S', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, simulate_cb, "Like --run, but also simulate taking those actions and show the resulting new status", NULL }, { "in-place", 'X', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, in_place_cb, "Like --simulate, but also store the results back to the input file", NULL }, { "show-attrs", 'A', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attrs_cb, "Show node attributes", NULL }, { "show-failcounts", 'c', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, failcounts_cb, "Show resource fail counts", NULL }, { "show-scores", 's', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, show_scores_cb, "Show allocation scores", NULL }, { "show-utilization", 'U', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, utilization_cb, "Show utilization information", NULL }, { "profile", 'P', 0, G_OPTION_ARG_FILENAME, &options.test_dir, "Process all the XML files in the named directory to create profiling data", "DIR" }, { "repeat", 'N', 0, G_OPTION_ARG_INT, &options.repeat, "With --profile, repeat each test N times and print timings", "N" }, /* Deprecated */ { "pending", 'j', G_OPTION_FLAG_NO_ARG|G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, pending_cb, "Display pending state if '" PCMK_META_RECORD_PENDING "' is enabled", NULL }, { NULL } }; static GOptionEntry synthetic_entries[] = { { "node-up", 'u', 0, G_OPTION_ARG_CALLBACK, node_up_cb, "Simulate bringing a node online", "NODE" }, { "node-down", 'd', 0, G_OPTION_ARG_CALLBACK, node_down_cb, "Simulate taking a node offline", "NODE" }, { "node-fail", 'f', 0, G_OPTION_ARG_CALLBACK, node_fail_cb, "Simulate a node failing", "NODE" }, { "op-inject", 'i', 0, G_OPTION_ARG_CALLBACK, op_inject_cb, "Generate a failure for the cluster to react to in the simulation.\n" INDENT "See `Operation Specification` help for more information.", "OPSPEC" }, { "op-fail", 'F', 0, G_OPTION_ARG_CALLBACK, op_fail_cb, "If the specified task occurs during the simulation, have it fail with return code ${rc}.\n" INDENT "The transition will normally stop at the failed action.\n" INDENT "Save the result with --save-output and re-run with --xml-file.\n" INDENT "See `Operation Specification` help for more information.", "OPSPEC" }, { "set-datetime", 't', 0, G_OPTION_ARG_STRING, &options.use_date, "Set date/time (ISO 8601 format, see https://en.wikipedia.org/wiki/ISO_8601)", "DATETIME" }, { "quorum", 'q', 0, G_OPTION_ARG_CALLBACK, quorum_cb, "Set to '1' (or 'true') to indicate cluster has quorum", "QUORUM" }, { "watchdog", 'w', 0, G_OPTION_ARG_CALLBACK, watchdog_cb, "Set to '1' (or 'true') to indicate cluster has an active watchdog device", "DEVICE" }, { "ticket-grant", 'g', 0, G_OPTION_ARG_CALLBACK, ticket_grant_cb, "Simulate granting a ticket", "TICKET" }, { "ticket-revoke", 'r', 0, G_OPTION_ARG_CALLBACK, ticket_revoke_cb, "Simulate revoking a ticket", "TICKET" }, { "ticket-standby", 'b', 0, G_OPTION_ARG_CALLBACK, ticket_standby_cb, "Simulate making a ticket standby", "TICKET" }, { "ticket-activate", 'e', 0, G_OPTION_ARG_CALLBACK, ticket_activate_cb, "Simulate activating a ticket", "TICKET" }, { NULL } }; static GOptionEntry artifact_entries[] = { { "save-input", 'I', 0, G_OPTION_ARG_FILENAME, &options.input_file, "Save the input configuration to the named file", "FILE" }, { "save-output", 'O', 0, G_OPTION_ARG_FILENAME, &options.output_file, "Save the output configuration to the named file", "FILE" }, { "save-graph", 'G', 0, G_OPTION_ARG_CALLBACK, save_graph_cb, "Save the transition graph (XML format) to the named file", "FILE" }, { "save-dotfile", 'D', 0, G_OPTION_ARG_CALLBACK, save_dotfile_cb, "Save the transition graph (DOT format) to the named file", "FILE" }, { "all-actions", 'a', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, all_actions_cb, "Display all possible actions in DOT graph (even if not part of transition)", NULL }, { NULL } }; static GOptionEntry source_entries[] = { { "live-check", 'L', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, live_check_cb, "Connect to CIB manager and use the current CIB contents as input", NULL }, { "xml-file", 'x', 0, G_OPTION_ARG_CALLBACK, xml_file_cb, "Retrieve XML from the named file", "FILE" }, { "xml-pipe", 'p', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, xml_pipe_cb, "Retrieve XML from stdin", NULL }, { NULL } }; static int setup_input(pcmk__output_t *out, const char *input, const char *output, GError **error) { int rc = pcmk_rc_ok; xmlNode *cib_object = NULL; char *local_output = NULL; if (input == NULL) { /* Use live CIB */ rc = cib__signon_query(out, NULL, &cib_object); if (rc != pcmk_rc_ok) { // cib__signon_query() outputs any relevant error return rc; } } else if (pcmk__str_eq(input, "-", pcmk__str_casei)) { cib_object = pcmk__xml_read(NULL); } else { cib_object = pcmk__xml_read(input); } if (cib_object == NULL) { rc = pcmk_rc_bad_input; g_set_error(error, PCMK__EXITC_ERROR, pcmk_rc2exitc(rc), "Could not read input XML: %s", pcmk_rc_str(rc)); return rc; } if (pcmk_find_cib_element(cib_object, PCMK_XE_STATUS) == NULL) { pcmk__xe_create(cib_object, PCMK_XE_STATUS); } rc = pcmk__update_configured_schema(&cib_object, false); if (rc != pcmk_rc_ok) { pcmk__xml_free(cib_object); return rc; } if (!pcmk__validate_xml(cib_object, NULL, NULL, NULL)) { pcmk__xml_free(cib_object); return pcmk_rc_schema_validation; } if (output == NULL) { char *pid = pcmk__getpid_s(); local_output = get_shadow_file(pid); temp_shadow = strdup(local_output); output = local_output; free(pid); } rc = pcmk__xml_write_file(cib_object, output, false); if (rc != pcmk_rc_ok) { g_set_error(error, PCMK__EXITC_ERROR, CRM_EX_CANTCREAT, "Could not create '%s': %s", output, pcmk_rc_str(rc)); } else { setenv("CIB_file", output, 1); } pcmk__xml_free(cib_object); free(local_output); return rc; } static GOptionContext * build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) { GOptionContext *context = NULL; GOptionEntry extra_prog_entries[] = { { "quiet", 'Q', 0, G_OPTION_ARG_NONE, &(args->quiet), "Display only essential output", NULL }, { NULL } }; const char *description = "Operation Specification:\n\n" "The OPSPEC in any command line option is of the form\n" "${resource}_${task}_${interval_in_ms}@${node}=${rc}\n" "(memcached_monitor_20000@bart.example.com=7, for example).\n" "${rc} is an OCF return code. For more information on these\n" "return codes, refer to https://clusterlabs.org/pacemaker/doc/2.1/Pacemaker_Administration/html/agents.html#ocf-return-codes\n\n" "Examples:\n\n" "Pretend a recurring monitor action found memcached stopped on node\n" "fred.example.com and, during recovery, that the memcached stop\n" "action failed:\n\n" "\tcrm_simulate -LS --op-inject memcached:0_monitor_20000@bart.example.com=7 " "--op-fail memcached:0_stop_0@fred.example.com=1 --save-output /tmp/memcached-test.xml\n\n" "Now see what the reaction to the stop failed would be:\n\n" "\tcrm_simulate -S --xml-file /tmp/memcached-test.xml\n\n"; context = pcmk__build_arg_context(args, "text (default), xml", group, NULL); pcmk__add_main_args(context, extra_prog_entries); g_option_context_set_description(context, description); pcmk__add_arg_group(context, "operations", "Operations:", "Show operations options", operation_entries); pcmk__add_arg_group(context, "synthetic", "Synthetic Cluster Events:", "Show synthetic cluster event options", synthetic_entries); pcmk__add_arg_group(context, "artifact", "Artifact Options:", "Show artifact options", artifact_entries); pcmk__add_arg_group(context, "source", "Data Source:", "Show data source options", source_entries); return context; } int main(int argc, char **argv) { int rc = pcmk_rc_ok; pcmk_scheduler_t *scheduler = NULL; pcmk__output_t *out = NULL; GError *error = NULL; GOptionGroup *output_group = NULL; pcmk__common_args_t *args = pcmk__new_common_args(SUMMARY); gchar **processed_args = pcmk__cmdline_preproc(argv, "bdefgiqrtuwxDFGINOP"); GOptionContext *context = build_arg_context(args, &output_group); options.injections = calloc(1, sizeof(pcmk_injections_t)); if (options.injections == NULL) { rc = ENOMEM; goto done; } /* This must come before g_option_context_parse_strv. */ options.xml_file = strdup("-"); 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_simulate", args->verbosity); rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv); if (rc != pcmk_rc_ok) { fprintf(stderr, "Error creating output format %s: %s\n", args->output_ty, pcmk_rc_str(rc)); exit_code = CRM_EX_ERROR; goto done; } if (pcmk__str_eq(args->output_ty, "text", pcmk__str_null_matches) && !(pcmk_is_set(options.flags, pcmk_sim_show_scores) && args->quiet)) { pcmk__output_text_set_fancy(out, true); } pe__register_messages(out); pcmk__register_lib_messages(out); out->quiet = args->quiet; if (args->version) { out->version(out, false); goto done; } if (args->verbosity > 0) { options.flags |= pcmk_sim_verbose; } + if (options.test_dir != NULL) { + rc = pcmk__profile_dir(out, options.flags, options.test_dir, + options.repeat, options.use_date); + goto done; + } + scheduler = pcmk_new_scheduler(); if (scheduler == NULL) { rc = ENOMEM; g_set_error(&error, PCMK__RC_ERROR, rc, "Could not allocate scheduler data"); goto done; } - if (pcmk_is_set(options.flags, pcmk_sim_show_scores)) { - pcmk__set_scheduler_flags(scheduler, pcmk__sched_output_scores); - } - if (pcmk_is_set(options.flags, pcmk_sim_show_utilization)) { - pcmk__set_scheduler_flags(scheduler, pcmk__sched_show_utilization); - } - - if (options.test_dir != NULL) { - scheduler->priv->out = out; - pcmk__profile_dir(options.test_dir, options.repeat, scheduler, - options.use_date); - rc = pcmk_rc_ok; - goto done; - } - rc = setup_input(out, options.xml_file, options.store? options.xml_file : options.output_file, &error); if (rc != pcmk_rc_ok) { goto done; } rc = pcmk__simulate(scheduler, out, options.injections, options.flags, section_opts, options.use_date, options.input_file, options.graph_file, options.dot_file); done: pcmk__output_and_clear_error(&error, NULL); /* There sure is a lot to free in options. */ free(options.dot_file); free(options.graph_file); g_free(options.input_file); g_free(options.output_file); g_free(options.test_dir); free(options.use_date); free(options.xml_file); pcmk_free_injections(options.injections); pcmk__free_arg_context(context); g_strfreev(processed_args); - if (scheduler != NULL) { - pcmk_free_scheduler(scheduler); - } + pcmk_free_scheduler(scheduler); fflush(stderr); if (temp_shadow) { unlink(temp_shadow); free(temp_shadow); } if (rc != pcmk_rc_ok) { exit_code = pcmk_rc2exitc(rc); } if (out != NULL) { out->finish(out, exit_code, true, NULL); pcmk__output_free(out); } pcmk__unregister_formats(); crm_exit(exit_code); }