diff --git a/daemons/fenced/pacemaker-fenced.c b/daemons/fenced/pacemaker-fenced.c index 54ed83bd79..8465b8aee3 100644 --- a/daemons/fenced/pacemaker-fenced.c +++ b/daemons/fenced/pacemaker-fenced.c @@ -1,1713 +1,1739 @@ /* * Copyright 2009-2022 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 // PRIu32, PRIx32 #include #include #include #include #include #include #include #include #include #include #include #include #include #include char *stonith_our_uname = NULL; long stonith_watchdog_timeout_ms = 0; GList *stonith_watchdog_targets = NULL; static GMainLoop *mainloop = NULL; gboolean stand_alone = FALSE; static gboolean no_cib_connect = FALSE; static gboolean stonith_shutdown_flag = FALSE; static qb_ipcs_service_t *ipcs = NULL; static xmlNode *local_cib = NULL; static pe_working_set_t *fenced_data_set = NULL; static const unsigned long long data_set_flags = pe_flag_quick_location | pe_flag_no_compat | pe_flag_no_counts; static cib_t *cib_api = NULL; static pcmk__output_t *out = NULL; pcmk__supported_format_t formats[] = { PCMK__SUPPORTED_FORMAT_LOG, PCMK__SUPPORTED_FORMAT_NONE, PCMK__SUPPORTED_FORMAT_TEXT, { NULL, NULL, NULL } }; static void stonith_shutdown(int nsig); static void stonith_cleanup(void); static int32_t st_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid) { if (stonith_shutdown_flag) { crm_info("Ignoring new client [%d] during shutdown", pcmk__client_pid(c)); return -EPERM; } if (pcmk__new_client(c, uid, gid) == NULL) { return -EIO; } return 0; } /* Exit code means? */ static int32_t st_ipc_dispatch(qb_ipcs_connection_t * qbc, void *data, size_t size) { uint32_t id = 0; uint32_t flags = 0; int call_options = 0; xmlNode *request = NULL; pcmk__client_t *c = pcmk__find_client(qbc); const char *op = NULL; if (c == NULL) { crm_info("Invalid client: %p", qbc); return 0; } request = pcmk__client_data2xml(c, data, &id, &flags); if (request == NULL) { pcmk__ipc_send_ack(c, id, flags, "nack", CRM_EX_PROTOCOL); return 0; } op = crm_element_value(request, F_CRM_TASK); if(pcmk__str_eq(op, CRM_OP_RM_NODE_CACHE, pcmk__str_casei)) { crm_xml_add(request, F_TYPE, T_STONITH_NG); crm_xml_add(request, F_STONITH_OPERATION, op); crm_xml_add(request, F_STONITH_CLIENTID, c->id); crm_xml_add(request, F_STONITH_CLIENTNAME, pcmk__client_name(c)); crm_xml_add(request, F_STONITH_CLIENTNODE, stonith_our_uname); send_cluster_message(NULL, crm_msg_stonith_ng, request, FALSE); free_xml(request); return 0; } if (c->name == NULL) { const char *value = crm_element_value(request, F_STONITH_CLIENTNAME); if (value == NULL) { value = "unknown"; } c->name = crm_strdup_printf("%s.%u", value, c->pid); } crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options); crm_trace("Flags %#08" PRIx32 "/%#08x for command %" PRIu32 " from client %s", flags, call_options, id, pcmk__client_name(c)); if (pcmk_is_set(call_options, st_opt_sync_call)) { CRM_ASSERT(flags & crm_ipc_client_response); CRM_LOG_ASSERT(c->request_id == 0); /* This means the client has two synchronous events in-flight */ c->request_id = id; /* Reply only to the last one */ } crm_xml_add(request, F_STONITH_CLIENTID, c->id); crm_xml_add(request, F_STONITH_CLIENTNAME, pcmk__client_name(c)); crm_xml_add(request, F_STONITH_CLIENTNODE, stonith_our_uname); stonith_command(c, id, flags, request, NULL); free_xml(request); return 0; } /* Error code means? */ static int32_t st_ipc_closed(qb_ipcs_connection_t * c) { pcmk__client_t *client = pcmk__find_client(c); if (client == NULL) { return 0; } crm_trace("Connection %p closed", c); pcmk__free_client(client); /* 0 means: yes, go ahead and destroy the connection */ return 0; } static void st_ipc_destroy(qb_ipcs_connection_t * c) { crm_trace("Connection %p destroyed", c); st_ipc_closed(c); } static void stonith_peer_callback(xmlNode * msg, void *private_data) { const char *remote_peer = crm_element_value(msg, F_ORIG); const char *op = crm_element_value(msg, F_STONITH_OPERATION); if (pcmk__str_eq(op, "poke", pcmk__str_none)) { return; } crm_log_xml_trace(msg, "Peer[inbound]"); stonith_command(NULL, 0, 0, msg, remote_peer); } #if SUPPORT_COROSYNC static void stonith_peer_ais_callback(cpg_handle_t handle, const struct cpg_name *groupName, uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len) { uint32_t kind = 0; xmlNode *xml = NULL; const char *from = NULL; char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from); if(data == NULL) { return; } if (kind == crm_class_cluster) { xml = string2xml(data); if (xml == NULL) { crm_err("Invalid XML: '%.120s'", data); free(data); return; } crm_xml_add(xml, F_ORIG, from); /* crm_xml_add_int(xml, F_SEQ, wrapper->id); */ stonith_peer_callback(xml, NULL); } free_xml(xml); free(data); return; } static void stonith_peer_cs_destroy(gpointer user_data) { crm_crit("Lost connection to cluster layer, shutting down"); stonith_shutdown(0); } #endif void do_local_reply(xmlNode * notify_src, const char *client_id, gboolean sync_reply, gboolean from_peer) { /* send callback to originating child */ pcmk__client_t *client_obj = NULL; int local_rc = pcmk_rc_ok; crm_trace("Sending response"); client_obj = pcmk__find_client_by_id(client_id); crm_trace("Sending callback to request originator"); if (client_obj == NULL) { local_rc = EPROTO; crm_trace("No client to sent the response to. F_STONITH_CLIENTID not set."); } else { int rid = 0; if (sync_reply) { CRM_LOG_ASSERT(client_obj->request_id); rid = client_obj->request_id; client_obj->request_id = 0; crm_trace("Sending response %d to client %s%s", rid, pcmk__client_name(client_obj), (from_peer? " (originator of delegated request)" : "")); } else { crm_trace("Sending an event to client %s%s", pcmk__client_name(client_obj), (from_peer? " (originator of delegated request)" : "")); } local_rc = pcmk__ipc_send_xml(client_obj, rid, notify_src, (sync_reply? crm_ipc_flags_none : crm_ipc_server_event)); } if ((local_rc != pcmk_rc_ok) && (client_obj != NULL)) { crm_warn("%s reply to client %s failed: %s", (sync_reply? "Synchronous" : "Asynchronous"), pcmk__client_name(client_obj), pcmk_rc_str(local_rc)); } } uint64_t get_stonith_flag(const char *name) { if (pcmk__str_eq(name, T_STONITH_NOTIFY_FENCE, pcmk__str_casei)) { return st_callback_notify_fence; } else if (pcmk__str_eq(name, STONITH_OP_DEVICE_ADD, pcmk__str_casei)) { return st_callback_device_add; } else if (pcmk__str_eq(name, STONITH_OP_DEVICE_DEL, pcmk__str_casei)) { return st_callback_device_del; } else if (pcmk__str_eq(name, T_STONITH_NOTIFY_HISTORY, pcmk__str_casei)) { return st_callback_notify_history; } else if (pcmk__str_eq(name, T_STONITH_NOTIFY_HISTORY_SYNCED, pcmk__str_casei)) { return st_callback_notify_history_synced; } return st_callback_unknown; } static void stonith_notify_client(gpointer key, gpointer value, gpointer user_data) { xmlNode *update_msg = user_data; pcmk__client_t *client = value; const char *type = NULL; CRM_CHECK(client != NULL, return); CRM_CHECK(update_msg != NULL, return); type = crm_element_value(update_msg, F_SUBTYPE); CRM_CHECK(type != NULL, crm_log_xml_err(update_msg, "notify"); return); if (client->ipcs == NULL) { crm_trace("Skipping client with NULL channel"); return; } if (pcmk_is_set(client->flags, get_stonith_flag(type))) { int rc = pcmk__ipc_send_xml(client, 0, update_msg, crm_ipc_server_event|crm_ipc_server_error); if (rc != pcmk_rc_ok) { crm_warn("%s notification of client %s failed: %s " CRM_XS " id=%.8s rc=%d", type, pcmk__client_name(client), pcmk_rc_str(rc), client->id, rc); } else { crm_trace("Sent %s notification to client %s", type, pcmk__client_name(client)); } } } void do_stonith_async_timeout_update(const char *client_id, const char *call_id, int timeout) { pcmk__client_t *client = NULL; xmlNode *notify_data = NULL; if (!timeout || !call_id || !client_id) { return; } client = pcmk__find_client_by_id(client_id); if (!client) { return; } notify_data = create_xml_node(NULL, T_STONITH_TIMEOUT_VALUE); crm_xml_add(notify_data, F_TYPE, T_STONITH_TIMEOUT_VALUE); crm_xml_add(notify_data, F_STONITH_CALLID, call_id); crm_xml_add_int(notify_data, F_STONITH_TIMEOUT, timeout); crm_trace("timeout update is %d for client %s and call id %s", timeout, client_id, call_id); if (client) { pcmk__ipc_send_xml(client, 0, notify_data, crm_ipc_server_event); } free_xml(notify_data); } /*! * \internal * \brief Notify relevant IPC clients of a fencing operation result * * \param[in] type Notification type * \param[in] result Result of fencing operation (assume success if NULL) * \param[in] data If not NULL, add to notification as call data */ void fenced_send_notification(const char *type, const pcmk__action_result_t *result, xmlNode *data) { /* TODO: Standardize the contents of data */ xmlNode *update_msg = create_xml_node(NULL, "notify"); CRM_LOG_ASSERT(type != NULL); crm_xml_add(update_msg, F_TYPE, T_STONITH_NOTIFY); crm_xml_add(update_msg, F_SUBTYPE, type); crm_xml_add(update_msg, F_STONITH_OPERATION, type); stonith__xe_set_result(update_msg, result); if (data != NULL) { add_message_xml(update_msg, F_STONITH_CALLDATA, data); } crm_trace("Notifying clients"); pcmk__foreach_ipc_client(stonith_notify_client, update_msg); free_xml(update_msg); crm_trace("Notify complete"); } /*! * \internal * \brief Send notifications for a configuration change to subscribed clients * * \param[in] op Notification type (STONITH_OP_DEVICE_ADD, * STONITH_OP_DEVICE_DEL, STONITH_OP_LEVEL_ADD, or * STONITH_OP_LEVEL_DEL) * \param[in] result Operation result * \param[in] desc Description of what changed * \param[in] active Current number of devices or topologies in use */ static void send_config_notification(const char *op, const pcmk__action_result_t *result, const char *desc, int active) { xmlNode *notify_data = create_xml_node(NULL, op); CRM_CHECK(notify_data != NULL, return); crm_xml_add(notify_data, F_STONITH_DEVICE, desc); crm_xml_add_int(notify_data, F_STONITH_ACTIVE, active); fenced_send_notification(op, result, notify_data); free_xml(notify_data); } /*! * \internal * \brief Send notifications for a device change to subscribed clients * * \param[in] op Notification type (STONITH_OP_DEVICE_ADD or * STONITH_OP_DEVICE_DEL) * \param[in] result Operation result * \param[in] desc ID of device that changed */ void fenced_send_device_notification(const char *op, const pcmk__action_result_t *result, const char *desc) { send_config_notification(op, result, desc, g_hash_table_size(device_list)); } /*! * \internal * \brief Send notifications for a topology level change to subscribed clients * * \param[in] op Notification type (STONITH_OP_LEVEL_ADD or * STONITH_OP_LEVEL_DEL) * \param[in] result Operation result * \param[in] desc String representation of level ([]) */ void fenced_send_level_notification(const char *op, const pcmk__action_result_t *result, const char *desc) { send_config_notification(op, result, desc, g_hash_table_size(topology)); } static void topology_remove_helper(const char *node, int level) { char *desc = NULL; pcmk__action_result_t result = PCMK__UNKNOWN_RESULT; xmlNode *data = create_xml_node(NULL, XML_TAG_FENCING_LEVEL); crm_xml_add(data, F_STONITH_ORIGIN, __func__); crm_xml_add_int(data, XML_ATTR_STONITH_INDEX, level); crm_xml_add(data, XML_ATTR_STONITH_TARGET, node); fenced_unregister_level(data, &desc, &result); fenced_send_level_notification(STONITH_OP_LEVEL_DEL, &result, desc); pcmk__reset_result(&result); free_xml(data); free(desc); } static void remove_cib_device(xmlXPathObjectPtr xpathObj) { int max = numXpathResults(xpathObj), lpc = 0; for (lpc = 0; lpc < max; lpc++) { const char *rsc_id = NULL; const char *standard = NULL; xmlNode *match = getXpathResult(xpathObj, lpc); CRM_LOG_ASSERT(match != NULL); if(match != NULL) { standard = crm_element_value(match, XML_AGENT_ATTR_CLASS); } if (!pcmk__str_eq(standard, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) { continue; } rsc_id = crm_element_value(match, XML_ATTR_ID); stonith_device_remove(rsc_id, true); } } static void handle_topology_change(xmlNode *match, bool remove) { char *desc = NULL; pcmk__action_result_t result = PCMK__UNKNOWN_RESULT; CRM_CHECK(match != NULL, return); crm_trace("Updating %s", ID(match)); if(remove) { int index = 0; char *key = stonith_level_key(match, fenced_target_by_unknown); crm_element_value_int(match, XML_ATTR_STONITH_INDEX, &index); topology_remove_helper(key, index); free(key); } fenced_register_level(match, &desc, &result); fenced_send_level_notification(STONITH_OP_LEVEL_ADD, &result, desc); pcmk__reset_result(&result); free(desc); } static void remove_fencing_topology(xmlXPathObjectPtr xpathObj) { int max = numXpathResults(xpathObj), lpc = 0; for (lpc = 0; lpc < max; lpc++) { xmlNode *match = getXpathResult(xpathObj, lpc); CRM_LOG_ASSERT(match != NULL); if (match && crm_element_value(match, XML_DIFF_MARKER)) { /* Deletion */ int index = 0; char *target = stonith_level_key(match, fenced_target_by_unknown); crm_element_value_int(match, XML_ATTR_STONITH_INDEX, &index); if (target == NULL) { crm_err("Invalid fencing target in element %s", ID(match)); } else if (index <= 0) { crm_err("Invalid level for %s in element %s", target, ID(match)); } else { topology_remove_helper(target, index); } /* } else { Deal with modifications during the 'addition' stage */ } } } static void register_fencing_topology(xmlXPathObjectPtr xpathObj) { int max = numXpathResults(xpathObj), lpc = 0; for (lpc = 0; lpc < max; lpc++) { xmlNode *match = getXpathResult(xpathObj, lpc); handle_topology_change(match, TRUE); } } /* Fencing */ static void fencing_topology_init(void) { xmlXPathObjectPtr xpathObj = NULL; const char *xpath = "//" XML_TAG_FENCING_LEVEL; crm_trace("Full topology refresh"); free_topology_list(); init_topology_list(); /* Grab everything */ xpathObj = xpath_search(local_cib, xpath); register_fencing_topology(xpathObj); freeXpathObject(xpathObj); } #define rsc_name(x) x->clone_name?x->clone_name:x->id /*! * \internal * \brief Check whether our uname is in a resource's allowed node list * * \param[in] rsc Resource to check * * \return Pointer to node object if found, NULL otherwise */ static pe_node_t * our_node_allowed_for(pe_resource_t *rsc) { GHashTableIter iter; pe_node_t *node = NULL; if (rsc && stonith_our_uname) { g_hash_table_iter_init(&iter, rsc->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { if (node && strcmp(node->details->uname, stonith_our_uname) == 0) { break; } node = NULL; } } return node; } static void watchdog_device_update(void) { if (stonith_watchdog_timeout_ms > 0) { if (!g_hash_table_lookup(device_list, STONITH_WATCHDOG_ID) && !stonith_watchdog_targets) { /* getting here watchdog-fencing enabled, no device there yet and reason isn't stonith_watchdog_targets preventing that */ int rc; xmlNode *xml; xml = create_device_registration_xml( STONITH_WATCHDOG_ID, st_namespace_internal, STONITH_WATCHDOG_AGENT, NULL, /* stonith_device_register will add our own name as PCMK_STONITH_HOST_LIST param so we can skip that here */ NULL); rc = stonith_device_register(xml, NULL, TRUE); free_xml(xml); if (rc != pcmk_ok) { crm_crit("Cannot register watchdog pseudo fence agent"); crm_exit(CRM_EX_FATAL); } } } else { /* be silent if no device - todo parameter to stonith_device_remove */ if (g_hash_table_lookup(device_list, STONITH_WATCHDOG_ID)) { stonith_device_remove(STONITH_WATCHDOG_ID, true); } } } static void update_stonith_watchdog_timeout_ms(xmlNode *cib) { xmlNode *stonith_enabled_xml = NULL; bool stonith_enabled = false; int rc = pcmk_rc_ok; long timeout_ms = 0; stonith_enabled_xml = get_xpath_object("//nvpair[@name='stonith-enabled']", cib, LOG_NEVER); rc = pcmk__xe_get_bool_attr(stonith_enabled_xml, XML_NVPAIR_ATTR_VALUE, &stonith_enabled); if (rc != pcmk_rc_ok || stonith_enabled) { xmlNode *stonith_watchdog_xml = NULL; const char *value = NULL; stonith_watchdog_xml = get_xpath_object("//nvpair[@name='stonith-watchdog-timeout']", cib, LOG_NEVER); if (stonith_watchdog_xml) { value = crm_element_value(stonith_watchdog_xml, XML_NVPAIR_ATTR_VALUE); } if (value) { timeout_ms = crm_get_msec(value); } if (timeout_ms < 0) { timeout_ms = pcmk__auto_watchdog_timeout(); } } stonith_watchdog_timeout_ms = timeout_ms; } /*! * \internal * \brief If a resource or any of its children are STONITH devices, update their * definitions given a cluster working set. * * \param[in] rsc Resource to check * \param[in] data_set Cluster working set with device information */ static void cib_device_update(pe_resource_t *rsc, pe_working_set_t *data_set) { pe_node_t *node = NULL; const char *value = NULL; const char *rclass = NULL; pe_node_t *parent = NULL; /* If this is a complex resource, check children rather than this resource itself. */ if(rsc->children) { GList *gIter = NULL; for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) { cib_device_update(gIter->data, data_set); if(pe_rsc_is_clone(rsc)) { crm_trace("Only processing one copy of the clone %s", rsc->id); break; } } return; } /* We only care about STONITH resources. */ rclass = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS); if (!pcmk__str_eq(rclass, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) { return; } /* If this STONITH resource is disabled, remove it. */ if (pe__resource_is_disabled(rsc)) { crm_info("Device %s has been disabled", rsc->id); return; } /* if watchdog-fencing is disabled handle any watchdog-fence resource as if it was disabled */ if ((stonith_watchdog_timeout_ms <= 0) && pcmk__str_eq(rsc->id, STONITH_WATCHDOG_ID, pcmk__str_none)) { crm_info("Watchdog-fencing disabled thus handling " "device %s as disabled", rsc->id); return; } /* Check whether our node is allowed for this resource (and its parent if in a group) */ node = our_node_allowed_for(rsc); if (rsc->parent && (rsc->parent->variant == pe_group)) { parent = our_node_allowed_for(rsc->parent); } if(node == NULL) { /* Our node is disallowed, so remove the device */ GHashTableIter iter; crm_info("Device %s has been disabled on %s: unknown", rsc->id, stonith_our_uname); g_hash_table_iter_init(&iter, rsc->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { crm_trace("Available: %s = %d", node->details->uname, node->weight); } return; } else if(node->weight < 0 || (parent && parent->weight < 0)) { /* Our node (or its group) is disallowed by score, so remove the device */ char *score = score2char((node->weight < 0) ? node->weight : parent->weight); crm_info("Device %s has been disabled on %s: score=%s", rsc->id, stonith_our_uname, score); free(score); return; } else { /* Our node is allowed, so update the device information */ int rc; xmlNode *data; GHashTable *rsc_params = NULL; GHashTableIter gIter; stonith_key_value_t *params = NULL; const char *name = NULL; const char *agent = crm_element_value(rsc->xml, XML_EXPR_ATTR_TYPE); const char *rsc_provides = NULL; crm_debug("Device %s is allowed on %s: score=%d", rsc->id, stonith_our_uname, node->weight); rsc_params = pe_rsc_params(rsc, node, data_set); get_meta_attributes(rsc->meta, rsc, node, data_set); rsc_provides = g_hash_table_lookup(rsc->meta, PCMK_STONITH_PROVIDES); g_hash_table_iter_init(&gIter, rsc_params); while (g_hash_table_iter_next(&gIter, (gpointer *) & name, (gpointer *) & value)) { if (!name || !value) { continue; } params = stonith_key_value_add(params, name, value); crm_trace(" %s=%s", name, value); } data = create_device_registration_xml(rsc_name(rsc), st_namespace_any, agent, params, rsc_provides); stonith_key_value_freeall(params, 1, 1); rc = stonith_device_register(data, NULL, TRUE); CRM_ASSERT(rc == pcmk_ok); free_xml(data); } } /*! * \internal * \brief Update all STONITH device definitions based on current CIB */ static void cib_devices_update(void) { GHashTableIter iter; stonith_device_t *device = NULL; crm_info("Updating devices to version %s.%s.%s", crm_element_value(local_cib, XML_ATTR_GENERATION_ADMIN), crm_element_value(local_cib, XML_ATTR_GENERATION), crm_element_value(local_cib, XML_ATTR_NUMUPDATES)); if (fenced_data_set->now != NULL) { crm_time_free(fenced_data_set->now); fenced_data_set->now = NULL; } fenced_data_set->localhost = stonith_our_uname; pcmk__schedule_actions(local_cib, data_set_flags, fenced_data_set); g_hash_table_iter_init(&iter, device_list); while (g_hash_table_iter_next(&iter, NULL, (void **)&device)) { if (device->cib_registered) { device->dirty = TRUE; } } /* have list repopulated if cib has a watchdog-fencing-resource TODO: keep a cached list for queries happening while we are refreshing */ g_list_free_full(stonith_watchdog_targets, free); stonith_watchdog_targets = NULL; g_list_foreach(fenced_data_set->resources, (GFunc) cib_device_update, fenced_data_set); g_hash_table_iter_init(&iter, device_list); while (g_hash_table_iter_next(&iter, NULL, (void **)&device)) { if (device->dirty) { g_hash_table_iter_remove(&iter); } } fenced_data_set->input = NULL; // Wasn't a copy, so don't let API free it pe_reset_working_set(fenced_data_set); } static void update_cib_stonith_devices_v2(const char *event, xmlNode * msg) { xmlNode *change = NULL; char *reason = NULL; bool needs_update = FALSE; xmlNode *patchset = get_message_xml(msg, F_CIB_UPDATE_RESULT); for (change = pcmk__xml_first_child(patchset); change != NULL; change = pcmk__xml_next(change)) { const char *op = crm_element_value(change, XML_DIFF_OP); const char *xpath = crm_element_value(change, XML_DIFF_PATH); const char *shortpath = NULL; if ((op == NULL) || (strcmp(op, "move") == 0) || strstr(xpath, "/"XML_CIB_TAG_STATUS)) { continue; } else if (pcmk__str_eq(op, "delete", pcmk__str_casei) && strstr(xpath, "/"XML_CIB_TAG_RESOURCE)) { const char *rsc_id = NULL; char *search = NULL; char *mutable = NULL; if (strstr(xpath, XML_TAG_ATTR_SETS) || strstr(xpath, XML_TAG_META_SETS)) { needs_update = TRUE; reason = strdup("(meta) attribute deleted from resource"); break; } mutable = strdup(xpath); rsc_id = strstr(mutable, "primitive[@id=\'"); if (rsc_id != NULL) { rsc_id += strlen("primitive[@id=\'"); search = strchr(rsc_id, '\''); } if (search != NULL) { *search = 0; stonith_device_remove(rsc_id, true); /* watchdog_device_update called afterwards to fall back to implicit definition if needed */ } else { crm_warn("Ignoring malformed CIB update (resource deletion)"); } free(mutable); } else if (strstr(xpath, "/"XML_CIB_TAG_RESOURCES) || strstr(xpath, "/"XML_CIB_TAG_CONSTRAINTS) || strstr(xpath, "/"XML_CIB_TAG_RSCCONFIG)) { shortpath = strrchr(xpath, '/'); CRM_ASSERT(shortpath); reason = crm_strdup_printf("%s %s", op, shortpath+1); needs_update = TRUE; break; } } if(needs_update) { crm_info("Updating device list from CIB: %s", reason); cib_devices_update(); } else { crm_trace("No updates for device list found in CIB"); } free(reason); } static void update_cib_stonith_devices_v1(const char *event, xmlNode * msg) { const char *reason = "none"; gboolean needs_update = FALSE; xmlXPathObjectPtr xpath_obj = NULL; /* process new constraints */ xpath_obj = xpath_search(msg, "//" F_CIB_UPDATE_RESULT "//" XML_CONS_TAG_RSC_LOCATION); if (numXpathResults(xpath_obj) > 0) { int max = numXpathResults(xpath_obj), lpc = 0; /* Safest and simplest to always recompute */ needs_update = TRUE; reason = "new location constraint"; for (lpc = 0; lpc < max; lpc++) { xmlNode *match = getXpathResult(xpath_obj, lpc); crm_log_xml_trace(match, "new constraint"); } } freeXpathObject(xpath_obj); /* process deletions */ xpath_obj = xpath_search(msg, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_REMOVED "//" XML_CIB_TAG_RESOURCE); if (numXpathResults(xpath_obj) > 0) { remove_cib_device(xpath_obj); } freeXpathObject(xpath_obj); /* process additions */ xpath_obj = xpath_search(msg, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_CIB_TAG_RESOURCE); if (numXpathResults(xpath_obj) > 0) { int max = numXpathResults(xpath_obj), lpc = 0; for (lpc = 0; lpc < max; lpc++) { const char *rsc_id = NULL; const char *standard = NULL; xmlNode *match = getXpathResult(xpath_obj, lpc); rsc_id = crm_element_value(match, XML_ATTR_ID); standard = crm_element_value(match, XML_AGENT_ATTR_CLASS); if (!pcmk__str_eq(standard, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) { continue; } crm_trace("Fencing resource %s was added or modified", rsc_id); reason = "new resource"; needs_update = TRUE; } } freeXpathObject(xpath_obj); if(needs_update) { crm_info("Updating device list from CIB: %s", reason); cib_devices_update(); } } static void update_cib_stonith_devices(const char *event, xmlNode * msg) { int format = 1; xmlNode *patchset = get_message_xml(msg, F_CIB_UPDATE_RESULT); CRM_ASSERT(patchset); crm_element_value_int(patchset, "format", &format); switch(format) { case 1: update_cib_stonith_devices_v1(event, msg); break; case 2: update_cib_stonith_devices_v2(event, msg); break; default: crm_warn("Unknown patch format: %d", format); } } /* Needs to hold node name + attribute name + attribute value + 75 */ #define XPATH_MAX 512 /*! * \internal * \brief Check whether a node has a specific attribute name/value * * \param[in] node Name of node to check * \param[in] name Name of an attribute to look for * \param[in] value The value the named attribute needs to be set to in order to be considered a match * * \return TRUE if the locally cached CIB has the specified node attribute */ gboolean node_has_attr(const char *node, const char *name, const char *value) { char xpath[XPATH_MAX]; xmlNode *match; int n; CRM_CHECK(local_cib != NULL, return FALSE); /* Search for the node's attributes in the CIB. While the schema allows * multiple sets of instance attributes, and allows instance attributes to * use id-ref to reference values elsewhere, that is intended for resources, * so we ignore that here. */ n = snprintf(xpath, XPATH_MAX, "//" XML_CIB_TAG_NODES "/" XML_CIB_TAG_NODE "[@uname='%s']/" XML_TAG_ATTR_SETS "/" XML_CIB_TAG_NVPAIR "[@name='%s' and @value='%s']", node, name, value); match = get_xpath_object(xpath, local_cib, LOG_NEVER); CRM_CHECK(n < XPATH_MAX, return FALSE); return (match != NULL); } /*! * \internal * \brief Check whether a node does watchdog-fencing * * \param[in] node Name of node to check * * \return TRUE if node found in stonith_watchdog_targets * or stonith_watchdog_targets is empty indicating * all nodes are doing watchdog-fencing */ gboolean node_does_watchdog_fencing(const char *node) { return ((stonith_watchdog_targets == NULL) || pcmk__str_in_list(node, stonith_watchdog_targets, pcmk__str_casei)); } static void update_fencing_topology(const char *event, xmlNode * msg) { int format = 1; const char *xpath; xmlXPathObjectPtr xpathObj = NULL; xmlNode *patchset = get_message_xml(msg, F_CIB_UPDATE_RESULT); CRM_ASSERT(patchset); crm_element_value_int(patchset, "format", &format); if(format == 1) { /* Process deletions (only) */ xpath = "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_REMOVED "//" XML_TAG_FENCING_LEVEL; xpathObj = xpath_search(msg, xpath); remove_fencing_topology(xpathObj); freeXpathObject(xpathObj); /* Process additions and changes */ xpath = "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_TAG_FENCING_LEVEL; xpathObj = xpath_search(msg, xpath); register_fencing_topology(xpathObj); freeXpathObject(xpathObj); } else if(format == 2) { xmlNode *change = NULL; int add[] = { 0, 0, 0 }; int del[] = { 0, 0, 0 }; xml_patch_versions(patchset, add, del); for (change = pcmk__xml_first_child(patchset); change != NULL; change = pcmk__xml_next(change)) { const char *op = crm_element_value(change, XML_DIFF_OP); const char *xpath = crm_element_value(change, XML_DIFF_PATH); if(op == NULL) { continue; } else if(strstr(xpath, "/" XML_TAG_FENCING_LEVEL) != NULL) { /* Change to a specific entry */ crm_trace("Handling %s operation %d.%d.%d for %s", op, add[0], add[1], add[2], xpath); if(strcmp(op, "move") == 0) { continue; } else if(strcmp(op, "create") == 0) { handle_topology_change(change->children, FALSE); } else if(strcmp(op, "modify") == 0) { xmlNode *match = first_named_child(change, XML_DIFF_RESULT); if(match) { handle_topology_change(match->children, TRUE); } } else if(strcmp(op, "delete") == 0) { /* Nuclear option, all we have is the path and an id... not enough to remove a specific entry */ crm_info("Re-initializing fencing topology after %s operation %d.%d.%d for %s", op, add[0], add[1], add[2], xpath); fencing_topology_init(); return; } } else if (strstr(xpath, "/" XML_TAG_FENCING_TOPOLOGY) != NULL) { /* Change to the topology in general */ crm_info("Re-initializing fencing topology after top-level %s operation %d.%d.%d for %s", op, add[0], add[1], add[2], xpath); fencing_topology_init(); return; } else if (strstr(xpath, "/" XML_CIB_TAG_CONFIGURATION)) { /* Changes to the whole config section, possibly including the topology as a whild */ if(first_named_child(change, XML_TAG_FENCING_TOPOLOGY) == NULL) { crm_trace("Nothing for us in %s operation %d.%d.%d for %s.", op, add[0], add[1], add[2], xpath); } else if(strcmp(op, "delete") == 0 || strcmp(op, "create") == 0) { crm_info("Re-initializing fencing topology after top-level %s operation %d.%d.%d for %s.", op, add[0], add[1], add[2], xpath); fencing_topology_init(); return; } } else { crm_trace("Nothing for us in %s operation %d.%d.%d for %s", op, add[0], add[1], add[2], xpath); } } } else { crm_warn("Unknown patch format: %d", format); } } static bool have_cib_devices = FALSE; static void update_cib_cache_cb(const char *event, xmlNode * msg) { int rc = pcmk_ok; xmlNode *stonith_enabled_xml = NULL; static gboolean stonith_enabled_saved = TRUE; long timeout_ms_saved = stonith_watchdog_timeout_ms; gboolean need_full_refresh = FALSE; bool value = false; if(!have_cib_devices) { crm_trace("Skipping updates until we get a full dump"); return; } else if(msg == NULL) { crm_trace("Missing %s update", event); return; } /* Maintain a local copy of the CIB so that we have full access * to device definitions, location constraints, and node attributes */ if (local_cib != NULL) { int rc = pcmk_ok; xmlNode *patchset = NULL; crm_element_value_int(msg, F_CIB_RC, &rc); if (rc != pcmk_ok) { return; } patchset = get_message_xml(msg, F_CIB_UPDATE_RESULT); xml_log_patchset(LOG_TRACE, "Config update", patchset); rc = xml_apply_patchset(local_cib, patchset, TRUE); switch (rc) { case pcmk_ok: case -pcmk_err_old_data: break; case -pcmk_err_diff_resync: case -pcmk_err_diff_failed: crm_notice("[%s] Patch aborted: %s (%d)", event, pcmk_strerror(rc), rc); free_xml(local_cib); local_cib = NULL; break; default: crm_warn("[%s] ABORTED: %s (%d)", event, pcmk_strerror(rc), rc); free_xml(local_cib); local_cib = NULL; } } if (local_cib == NULL) { crm_trace("Re-requesting full CIB"); rc = cib_api->cmds->query(cib_api, NULL, &local_cib, cib_scope_local | cib_sync_call); if(rc != pcmk_ok) { crm_err("Couldn't retrieve the CIB: %s (%d)", pcmk_strerror(rc), rc); return; } CRM_ASSERT(local_cib != NULL); stonith_enabled_saved = FALSE; /* Trigger a full refresh below */ } pcmk__refresh_node_caches_from_cib(local_cib); update_stonith_watchdog_timeout_ms(local_cib); stonith_enabled_xml = get_xpath_object("//nvpair[@name='stonith-enabled']", local_cib, LOG_NEVER); if (pcmk__xe_get_bool_attr(stonith_enabled_xml, XML_NVPAIR_ATTR_VALUE, &value) == pcmk_rc_ok && !value) { crm_trace("Ignoring CIB updates while fencing is disabled"); stonith_enabled_saved = FALSE; } else if (stonith_enabled_saved == FALSE) { crm_info("Updating fencing device and topology lists " "now that fencing is enabled"); stonith_enabled_saved = TRUE; need_full_refresh = TRUE; } else { if (timeout_ms_saved != stonith_watchdog_timeout_ms) { need_full_refresh = TRUE; } else { update_fencing_topology(event, msg); update_cib_stonith_devices(event, msg); watchdog_device_update(); } } if (need_full_refresh) { fencing_topology_init(); cib_devices_update(); watchdog_device_update(); } } static void init_cib_cache_cb(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { crm_info("Updating device list from CIB"); have_cib_devices = TRUE; local_cib = copy_xml(output); pcmk__refresh_node_caches_from_cib(local_cib); update_stonith_watchdog_timeout_ms(local_cib); fencing_topology_init(); cib_devices_update(); watchdog_device_update(); } static void stonith_shutdown(int nsig) { crm_info("Terminating with %d clients", pcmk__ipc_client_count()); stonith_shutdown_flag = TRUE; if (mainloop != NULL && g_main_loop_is_running(mainloop)) { g_main_loop_quit(mainloop); } else { stonith_cleanup(); crm_exit(CRM_EX_OK); } } static void cib_connection_destroy(gpointer user_data) { if (stonith_shutdown_flag) { crm_info("Connection to the CIB manager closed"); return; } else { crm_crit("Lost connection to the CIB manager, shutting down"); } if (cib_api) { cib_api->cmds->signoff(cib_api); } stonith_shutdown(0); } static void stonith_cleanup(void) { if (cib_api) { cib_api->cmds->del_notify_callback(cib_api, T_CIB_DIFF_NOTIFY, update_cib_cache_cb); cib_api->cmds->signoff(cib_api); } if (ipcs) { qb_ipcs_destroy(ipcs); } crm_peer_destroy(); pcmk__client_cleanup(); free_stonith_remote_op_list(); free_topology_list(); free_device_list(); free_metadata_cache(); free(stonith_our_uname); stonith_our_uname = NULL; free_xml(local_cib); local_cib = NULL; } static pcmk__cli_option_t long_options[] = { // long option, argument type, storage, short option, description, flags { "stand-alone", no_argument, 0, 's', NULL, pcmk__option_default }, { "stand-alone-w-cpg", no_argument, 0, 'c', NULL, pcmk__option_default }, { "logfile", required_argument, 0, 'l', NULL, pcmk__option_default }, { "verbose", no_argument, 0, 'V', NULL, pcmk__option_default }, { "version", no_argument, 0, '$', NULL, pcmk__option_default }, { "help", no_argument, 0, '?', NULL, pcmk__option_default }, { 0, 0, 0, 0 } }; static void setup_cib(void) { int rc, retries = 0; cib_api = cib_new(); if (cib_api == NULL) { crm_err("No connection to the CIB manager"); return; } do { sleep(retries); rc = cib_api->cmds->signon(cib_api, CRM_SYSTEM_STONITHD, cib_command); } while (rc == -ENOTCONN && ++retries < 5); if (rc != pcmk_ok) { crm_err("Could not connect to the CIB manager: %s (%d)", pcmk_strerror(rc), rc); } else if (pcmk_ok != cib_api->cmds->add_notify_callback(cib_api, T_CIB_DIFF_NOTIFY, update_cib_cache_cb)) { crm_err("Could not set CIB notification callback"); } else { rc = cib_api->cmds->query(cib_api, NULL, NULL, cib_scope_local); cib_api->cmds->register_callback(cib_api, rc, 120, FALSE, NULL, "init_cib_cache_cb", init_cib_cache_cb); cib_api->cmds->set_connection_dnotify(cib_api, cib_connection_destroy); crm_info("Watching for fencing topology changes"); } } struct qb_ipcs_service_handlers ipc_callbacks = { .connection_accept = st_ipc_accept, .connection_created = NULL, .msg_process = st_ipc_dispatch, .connection_closed = st_ipc_closed, .connection_destroyed = st_ipc_destroy }; /*! * \internal * \brief Callback for peer status changes * * \param[in] type What changed * \param[in] node What peer had the change * \param[in] data Previous value of what changed */ static void st_peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data) { if ((type != crm_status_processes) && !pcmk_is_set(node->flags, crm_remote_node)) { /* * This is a hack until we can send to a nodeid and/or we fix node name lookups * These messages are ignored in stonith_peer_callback() */ xmlNode *query = create_xml_node(NULL, "stonith_command"); crm_xml_add(query, F_XML_TAGNAME, "stonith_command"); crm_xml_add(query, F_TYPE, T_STONITH_NG); crm_xml_add(query, F_STONITH_OPERATION, "poke"); crm_debug("Broadcasting our uname because of node %u", node->id); send_cluster_message(NULL, crm_msg_stonith_ng, query, FALSE); free_xml(query); } } int main(int argc, char **argv) { int flag; int lpc = 0; int argerr = 0; int option_index = 0; crm_cluster_t *cluster = NULL; const char *actions[] = { "reboot", "off", "on", "list", "monitor", "status" }; crm_ipc_t *old_instance = NULL; int rc = pcmk_rc_ok; crm_log_preinit(NULL, argc, argv); pcmk__set_cli_options(NULL, "[options]", long_options, "daemon for executing fencing devices in a " "Pacemaker cluster"); while (1) { flag = pcmk__next_cli_option(argc, argv, &option_index, NULL); if (flag == -1) { break; } switch (flag) { case 'V': crm_bump_log_level(argc, argv); break; case 'l': { int rc = pcmk__add_logfile(optarg); if (rc != pcmk_rc_ok) { /* Logging has not yet been initialized, so stderr is * the only way to get information out */ fprintf(stderr, "Logging to %s is disabled: %s\n", optarg, pcmk_rc_str(rc)); } } break; case 's': stand_alone = TRUE; break; case 'c': stand_alone = FALSE; no_cib_connect = TRUE; break; case '$': case '?': pcmk__cli_help(flag, CRM_EX_OK); break; default: ++argerr; break; } } if (argc - optind == 1 && pcmk__str_eq("metadata", argv[optind], pcmk__str_casei)) { printf("\n"); printf("\n"); printf(" 1.0\n"); + printf(" Instance attributes available for all \"stonith\"-class resources" + " and used by Pacemaker's fence daemon, formerly known as stonithd\n"); +#ifdef ENABLE_NLS printf(_(" Instance attributes available for all \"stonith\"-class resources" " and used by Pacemaker's fence daemon, formerly known as stonithd\n")); +#endif + printf(" Instance attributes available for all \"stonith\"-class resources\n"); +#ifdef ENABLE_NLS printf(_(" Instance attributes available for all \"stonith\"-class resources\n")); +#endif printf(" \n"); #if 0 // priority is not implemented yet printf(" \n"); printf(" Devices that are not in a topology " "are tried in order of highest to lowest integer priority\n"); printf(" \n"); printf(" \n"); #endif printf(" \n", PCMK_STONITH_HOST_ARGUMENT); + printf + (" Some devices do not support the standard 'port' parameter or may provide additional ones.\n" + "Use this to specify an alternate, device-specific, parameter that should indicate the machine to be fenced.\n" + "A value of 'none' can be used to tell the cluster not to supply any additional parameters.\n" + " \n"); +#ifdef ENABLE_NLS printf (_(" Some devices do not support the standard 'port' parameter or may provide additional ones.\n" "Use this to specify an alternate, device-specific, parameter that should indicate the machine to be fenced.\n" "A value of 'none' can be used to tell the cluster not to supply any additional parameters.\n" " \n")); +#endif + printf + (" Advanced use only: An alternate parameter to supply instead of 'port'\n"); +#ifdef ENABLE_NLS printf (_(" Advanced use only: An alternate parameter to supply instead of 'port'\n")); +#endif printf(" \n"); printf(" \n"); printf(" \n", PCMK_STONITH_HOST_MAP); + printf + (" Eg. node1:1;node2:2,3 would tell the cluster to use port 1 for node1 and ports 2 and 3 for node2\n"); +#ifdef ENABLE_NLS printf (_(" Eg. node1:1;node2:2,3 would tell the cluster to use port 1 for node1 and ports 2 and 3 for node2\n")); +#endif + printf + (" A mapping of host names to ports numbers for devices that do not support host names.\n"); +#ifdef ENABLE_NLS printf (_(" A mapping of host names to ports numbers for devices that do not support host names.\n")); +#endif printf(" \n"); printf(" \n"); printf(" \n", PCMK_STONITH_HOST_LIST); printf(" Eg. node1,node2,node3\n"); printf(" A list of machines controlled by " "this device (Optional unless %s=static-list).\n", PCMK_STONITH_HOST_CHECK); printf(" \n"); printf(" \n"); printf(" \n", PCMK_STONITH_HOST_CHECK); printf(" Allowed values: dynamic-list " "(query the device via the 'list' command), static-list " "(check the " PCMK_STONITH_HOST_LIST " attribute), status " "(query the device via the 'status' command), none (assume " "every device can fence every machine)\n"); printf (" How to determine which machines are controlled by the device.\n"); printf(" \n"); printf(" \n"); printf(" \n", PCMK_STONITH_DELAY_MAX); printf(" This prevents double fencing when " "using slow devices such as sbd.\nUse this to enable a random " "delay for fencing actions.\nThe overall delay is derived from " "this random delay value adding a static delay so that the sum " "is kept below the maximum delay.\n"); printf(" Enable a delay of no more than the " "time specified before executing fencing actions. Pacemaker " "derives the overall delay by taking the value of " PCMK_STONITH_DELAY_BASE " and adding a random delay value such " "that the sum is kept below this maximum.\n"); printf(" \n"); printf(" \n"); printf(" \n", PCMK_STONITH_DELAY_BASE); printf(" This enables a static delay for " "fencing actions, which can help avoid \"death matches\" where " "two nodes try to fence each other at the same time. If " PCMK_STONITH_DELAY_MAX " is also used, a random delay will be " "added such that the total delay is kept below that value.\n" "This can be set to a single time value to apply to any node " "targeted by this device (useful if a separate device is " "configured for each target), or to a node map (for example, " "\"node1:1s;node2:5\") to set a different value per target.\n" " \n"); printf(" Enable a base delay for " "fencing actions and specify base delay value.\n"); printf(" \n"); printf(" \n"); printf(" \n", PCMK_STONITH_ACTION_LIMIT); printf (" Cluster property concurrent-fencing=true needs to be configured first.\n" "Then use this to specify the maximum number of actions can be performed in parallel on this device. -1 is unlimited.\n"); printf (" The maximum number of actions can be performed in parallel on this device\n"); printf(" \n"); printf(" \n"); for (lpc = 0; lpc < PCMK__NELEM(actions); lpc++) { printf(" \n", actions[lpc]); printf (" Some devices do not support the standard commands or may provide additional ones.\n" "Use this to specify an alternate, device-specific, command that implements the '%s' action.\n", actions[lpc]); printf (" Advanced use only: An alternate command to run instead of '%s'\n", actions[lpc]); printf(" \n", actions[lpc]); printf(" \n"); printf(" \n", actions[lpc]); printf (" Some devices need much more/less time to complete than normal.\n" "Use this to specify an alternate, device-specific, timeout for '%s' actions.\n", actions[lpc]); printf (" Advanced use only: Specify an alternate timeout to use for %s actions instead of stonith-timeout\n", actions[lpc]); printf(" \n"); printf(" \n"); printf(" \n", actions[lpc]); printf(" Some devices do not support multiple connections." " Operations may 'fail' if the device is busy with another task so Pacemaker will automatically retry the operation, if there is time remaining." " Use this option to alter the number of times Pacemaker retries '%s' actions before giving up." "\n", actions[lpc]); printf (" Advanced use only: The maximum number of times to retry the '%s' command within the timeout period\n", actions[lpc]); printf(" \n"); printf(" \n"); } printf(" \n"); printf("\n"); return CRM_EX_OK; } if (optind != argc) { ++argerr; } if (argerr) { pcmk__cli_help('?', CRM_EX_USAGE); } crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE); crm_notice("Starting Pacemaker fencer"); old_instance = crm_ipc_new("stonith-ng", 0); if (crm_ipc_connect(old_instance)) { /* IPC end-point already up */ crm_ipc_close(old_instance); crm_ipc_destroy(old_instance); crm_err("pacemaker-fenced is already active, aborting startup"); crm_exit(CRM_EX_OK); } else { /* not up or not authentic, we'll proceed either way */ crm_ipc_destroy(old_instance); old_instance = NULL; } mainloop_add_signal(SIGTERM, stonith_shutdown); crm_peer_init(); fenced_data_set = pe_new_working_set(); CRM_ASSERT(fenced_data_set != NULL); cluster = calloc(1, sizeof(crm_cluster_t)); CRM_ASSERT(cluster != NULL); if (stand_alone == FALSE) { if (is_corosync_cluster()) { #if SUPPORT_COROSYNC cluster->destroy = stonith_peer_cs_destroy; cluster->cpg.cpg_deliver_fn = stonith_peer_ais_callback; cluster->cpg.cpg_confchg_fn = pcmk_cpg_membership; #endif } crm_set_status_callback(&st_peer_update_callback); if (crm_cluster_connect(cluster) == FALSE) { crm_crit("Cannot sign in to the cluster... terminating"); crm_exit(CRM_EX_FATAL); } stonith_our_uname = strdup(cluster->uname); if (no_cib_connect == FALSE) { setup_cib(); } } else { stonith_our_uname = strdup("localhost"); } init_device_list(); init_topology_list(); pcmk__serve_fenced_ipc(&ipcs, &ipc_callbacks); pcmk__register_formats(NULL, formats); rc = pcmk__output_new(&out, "log", NULL, argv); if ((rc != pcmk_rc_ok) || (out == NULL)) { crm_err("Can't log resource details due to internal error: %s\n", pcmk_rc_str(rc)); crm_exit(CRM_EX_FATAL); } pe__register_messages(out); pcmk__register_lib_messages(out); pcmk__output_set_log_level(out, LOG_TRACE); fenced_data_set->priv = out; /* Create the mainloop and run it... */ mainloop = g_main_loop_new(NULL, FALSE); crm_notice("Pacemaker fencer successfully started and accepting connections"); g_main_loop_run(mainloop); stonith_cleanup(); free(cluster->uuid); free(cluster->uname); free(cluster); pe_free_working_set(fenced_data_set); out->finish(out, CRM_EX_OK, true, NULL); pcmk__output_free(out); pcmk__unregister_formats(); crm_exit(CRM_EX_OK); } diff --git a/lib/common/options.c b/lib/common/options.c index 8adf026ed5..7d3c431c8a 100644 --- a/lib/common/options.c +++ b/lib/common/options.c @@ -1,646 +1,667 @@ /* * Copyright 2004-2022 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 _GNU_SOURCE # define _GNU_SOURCE #endif #include #include #include #include #include #include #ifdef HAVE_GETOPT_H # include #endif #include /* * Command-line option handling */ static char *crm_short_options = NULL; static pcmk__cli_option_t *crm_long_options = NULL; static const char *crm_app_description = NULL; static const char *crm_app_usage = NULL; void pcmk__cli_option_cleanup() { free(crm_short_options); crm_short_options = NULL; } static struct option * create_long_opts(pcmk__cli_option_t *long_options) { struct option *long_opts = NULL; #ifdef HAVE_GETOPT_H int index = 0, lpc = 0; /* * A previous, possibly poor, choice of '?' as the short form of --help * means that getopt_long() returns '?' for both --help and for "unknown option" * * This dummy entry allows us to differentiate between the two in * pcmk__next_cli_option() and exit with the correct error code. */ long_opts = pcmk__realloc(long_opts, (index + 1) * sizeof(struct option)); long_opts[index].name = "__dummmy__"; long_opts[index].has_arg = 0; long_opts[index].flag = 0; long_opts[index].val = '_'; index++; // cppcheck seems not to understand the abort-logic in pcmk__realloc // cppcheck-suppress memleak for (lpc = 0; long_options[lpc].name != NULL; lpc++) { if (long_options[lpc].name[0] == '-') { continue; } long_opts = pcmk__realloc(long_opts, (index + 1) * sizeof(struct option)); /*fprintf(stderr, "Creating %d %s = %c\n", index, * long_options[lpc].name, long_options[lpc].val); */ long_opts[index].name = long_options[lpc].name; long_opts[index].has_arg = long_options[lpc].has_arg; long_opts[index].flag = long_options[lpc].flag; long_opts[index].val = long_options[lpc].val; index++; } /* Now create the list terminator */ long_opts = pcmk__realloc(long_opts, (index + 1) * sizeof(struct option)); long_opts[index].name = NULL; long_opts[index].has_arg = 0; long_opts[index].flag = 0; long_opts[index].val = 0; #endif return long_opts; } /*! * \internal * \brief Define the command-line options a daemon or tool accepts * * \param[in] short_options getopt(3)-style short option list * \param[in] app_usage summary of how command is invoked (for help) * \param[in] long_options definition of options accepted * \param[in] app_desc brief command description (for help) */ void pcmk__set_cli_options(const char *short_options, const char *app_usage, pcmk__cli_option_t *long_options, const char *app_desc) { if (short_options) { crm_short_options = strdup(short_options); } else if (long_options) { int lpc = 0; int opt_string_len = 0; char *local_short_options = NULL; for (lpc = 0; long_options[lpc].name != NULL; lpc++) { if (long_options[lpc].val && long_options[lpc].val != '-' && long_options[lpc].val < UCHAR_MAX) { local_short_options = pcmk__realloc(local_short_options, opt_string_len + 4); local_short_options[opt_string_len++] = long_options[lpc].val; /* getopt(3) says: Two colons mean an option takes an optional arg; */ if (long_options[lpc].has_arg == optional_argument) { local_short_options[opt_string_len++] = ':'; } if (long_options[lpc].has_arg >= required_argument) { local_short_options[opt_string_len++] = ':'; } local_short_options[opt_string_len] = 0; } } crm_short_options = local_short_options; crm_trace("Generated short option string: '%s'", local_short_options); } if (long_options) { crm_long_options = long_options; } if (app_desc) { crm_app_description = app_desc; } if (app_usage) { crm_app_usage = app_usage; } } int pcmk__next_cli_option(int argc, char **argv, int *index, const char **longname) { #ifdef HAVE_GETOPT_H static struct option *long_opts = NULL; if (long_opts == NULL && crm_long_options) { long_opts = create_long_opts(crm_long_options); } *index = 0; if (long_opts) { int flag = getopt_long(argc, argv, crm_short_options, long_opts, index); switch (flag) { case 0: if (long_opts[*index].val) { return long_opts[*index].val; } else if (longname) { *longname = long_opts[*index].name; } else { crm_notice("Unhandled option --%s", long_opts[*index].name); return flag; } case -1: /* End of option processing */ break; case ':': crm_trace("Missing argument"); pcmk__cli_help('?', CRM_EX_USAGE); break; case '?': pcmk__cli_help('?', (*index? CRM_EX_OK : CRM_EX_USAGE)); break; } return flag; } #endif if (crm_short_options) { return getopt(argc, argv, crm_short_options); } return -1; } void pcmk__cli_help(char cmd, crm_exit_t exit_code) { int i = 0; FILE *stream = (exit_code ? stderr : stdout); if (cmd == 'v' || cmd == '$') { fprintf(stream, "Pacemaker %s\n", PACEMAKER_VERSION); fprintf(stream, "Written by Andrew Beekhof\n"); goto out; } if (cmd == '!') { fprintf(stream, "Pacemaker %s (Build: %s): %s\n", PACEMAKER_VERSION, BUILD_VERSION, CRM_FEATURES); goto out; } fprintf(stream, "%s - %s\n", crm_system_name, crm_app_description); if (crm_app_usage) { fprintf(stream, "Usage: %s %s\n", crm_system_name, crm_app_usage); } if (crm_long_options) { fprintf(stream, "Options:\n"); for (i = 0; crm_long_options[i].name != NULL; i++) { if (crm_long_options[i].flags & pcmk__option_hidden) { } else if (crm_long_options[i].flags & pcmk__option_paragraph) { fprintf(stream, "%s\n\n", crm_long_options[i].desc); } else if (crm_long_options[i].flags & pcmk__option_example) { fprintf(stream, "\t#%s\n\n", crm_long_options[i].desc); } else if (crm_long_options[i].val == '-' && crm_long_options[i].desc) { fprintf(stream, "%s\n", crm_long_options[i].desc); } else { /* is val printable as char ? */ if (crm_long_options[i].val && crm_long_options[i].val <= UCHAR_MAX) { fprintf(stream, " -%c,", crm_long_options[i].val); } else { fputs(" ", stream); } fprintf(stream, " --%s%s\t%s\n", crm_long_options[i].name, crm_long_options[i].has_arg == optional_argument ? "[=value]" : crm_long_options[i].has_arg == required_argument ? "=value" : "", crm_long_options[i].desc ? crm_long_options[i].desc : ""); } } } else if (crm_short_options) { fprintf(stream, "Usage: %s - %s\n", crm_system_name, crm_app_description); for (i = 0; crm_short_options[i] != 0; i++) { int has_arg = no_argument /* 0 */; if (crm_short_options[i + 1] == ':') { if (crm_short_options[i + 2] == ':') has_arg = optional_argument /* 2 */; else has_arg = required_argument /* 1 */; } fprintf(stream, " -%c %s\n", crm_short_options[i], has_arg == optional_argument ? "[value]" : has_arg == required_argument ? "{value}" : ""); i += has_arg; } } fprintf(stream, "\nReport bugs to %s\n", PACKAGE_BUGREPORT); out: crm_exit(exit_code); while(1); // above does not return } /* * Environment variable option handling */ /*! * \internal * \brief Get the value of a Pacemaker environment variable option * * If an environment variable option is set, with either a PCMK_ or (for * backward compatibility) HA_ prefix, log and return the value. * * \param[in] option Environment variable name (without prefix) * * \return Value of environment variable option */ const char * pcmk__env_option(const char *option) { char env_name[NAME_MAX]; const char *value = NULL; snprintf(env_name, NAME_MAX, "PCMK_%s", option); value = getenv(env_name); if (value != NULL) { crm_trace("Found %s = %s", env_name, value); return value; } snprintf(env_name, NAME_MAX, "HA_%s", option); value = getenv(env_name); if (value != NULL) { crm_trace("Found %s = %s", env_name, value); return value; } crm_trace("Nothing found for %s", option); return NULL; } /*! * \brief Set or unset a Pacemaker environment variable option * * Set an environment variable option with both a PCMK_ and (for * backward compatibility) HA_ prefix. * * \param[in] option Environment variable name (without prefix) * \param[in] value New value (or NULL to unset) */ void pcmk__set_env_option(const char *option, const char *value) { char env_name[NAME_MAX]; snprintf(env_name, NAME_MAX, "PCMK_%s", option); if (value) { crm_trace("Setting %s to %s", env_name, value); setenv(env_name, value, 1); } else { crm_trace("Unsetting %s", env_name); unsetenv(env_name); } snprintf(env_name, NAME_MAX, "HA_%s", option); if (value) { crm_trace("Setting %s to %s", env_name, value); setenv(env_name, value, 1); } else { crm_trace("Unsetting %s", env_name); unsetenv(env_name); } } /*! * \internal * \brief Check whether Pacemaker environment variable option is enabled * * Given a Pacemaker environment variable option that can either be boolean * or a list of daemon names, return true if the option is enabled for a given * daemon. * * \param[in] daemon Daemon name * \param[in] option Pacemaker environment variable name * * \return true if variable is enabled for daemon, otherwise false */ bool pcmk__env_option_enabled(const char *daemon, const char *option) { const char *value = pcmk__env_option(option); return (value != NULL) && (crm_is_true(value) || strstr(value, daemon)); } /* * Cluster option handling */ bool pcmk__valid_interval_spec(const char *value) { (void) crm_parse_interval_spec(value); return errno == 0; } bool pcmk__valid_boolean(const char *value) { int tmp; return crm_str_to_boolean(value, &tmp) == 1; } bool pcmk__valid_number(const char *value) { if (value == NULL) { return false; } else if (pcmk_str_is_minus_infinity(value) || pcmk_str_is_infinity(value)) { return true; } return pcmk__scan_ll(value, NULL, 0LL) == pcmk_rc_ok; } bool pcmk__valid_positive_number(const char *value) { long long num = 0LL; return pcmk_str_is_infinity(value) || ((pcmk__scan_ll(value, &num, 0LL) == pcmk_rc_ok) && (num > 0)); } bool pcmk__valid_quorum(const char *value) { return pcmk__strcase_any_of(value, "stop", "freeze", "ignore", "demote", "suicide", NULL); } bool pcmk__valid_script(const char *value) { struct stat st; if (pcmk__str_eq(value, "/dev/null", pcmk__str_casei)) { return true; } if (stat(value, &st) != 0) { crm_err("Script %s does not exist", value); return false; } if (S_ISREG(st.st_mode) == 0) { crm_err("Script %s is not a regular file", value); return false; } if ((st.st_mode & (S_IXUSR | S_IXGRP)) == 0) { crm_err("Script %s is not executable", value); return false; } return true; } bool pcmk__valid_percentage(const char *value) { char *end = NULL; long number = strtol(value, &end, 10); if (end && (end[0] != '%')) { return false; } return number >= 0; } /*! * \internal * \brief Check a table of configured options for a particular option * * \param[in] options Name/value pairs for configured options * \param[in] validate If not NULL, validator function for option value * \param[in] name Option name to look for * \param[in] old_name Alternative option name to look for * \param[in] def_value Default to use if option not configured * * \return Option value (from supplied options table or default value) */ static const char * cluster_option_value(GHashTable *options, bool (*validate)(const char *), const char *name, const char *old_name, const char *def_value) { const char *value = NULL; char *new_value = NULL; CRM_ASSERT(name != NULL); if (options) { value = g_hash_table_lookup(options, name); if ((value == NULL) && old_name) { value = g_hash_table_lookup(options, old_name); if (value != NULL) { pcmk__config_warn("Support for legacy name '%s' for cluster " "option '%s' is deprecated and will be " "removed in a future release", old_name, name); // Inserting copy with current name ensures we only warn once new_value = strdup(value); g_hash_table_insert(options, strdup(name), new_value); value = new_value; } } if (value && validate && (validate(value) == FALSE)) { pcmk__config_err("Using default value for cluster option '%s' " "because '%s' is invalid", name, value); value = NULL; } if (value) { return value; } } // No value found, use default value = def_value; if (value == NULL) { crm_trace("No value or default provided for cluster option '%s'", name); return NULL; } if (validate) { CRM_CHECK(validate(value) != FALSE, crm_err("Bug: default value for cluster option '%s' is invalid", name); return NULL); } crm_trace("Using default value '%s' for cluster option '%s'", value, name); if (options) { new_value = strdup(value); g_hash_table_insert(options, strdup(name), new_value); value = new_value; } return value; } /*! * \internal * \brief Get the value of a cluster option * * \param[in] options Name/value pairs for configured options * \param[in] option_list Possible cluster options * \param[in] name (Primary) option name to look for * * \return Option value */ const char * pcmk__cluster_option(GHashTable *options, pcmk__cluster_option_t *option_list, int len, const char *name) { const char *value = NULL; for (int lpc = 0; lpc < len; lpc++) { if (pcmk__str_eq(name, option_list[lpc].name, pcmk__str_casei)) { value = cluster_option_value(options, option_list[lpc].is_valid, option_list[lpc].name, option_list[lpc].alt_name, option_list[lpc].default_value); return value; } } CRM_CHECK(FALSE, crm_err("Bug: looking for unknown option '%s'", name)); return NULL; } char * pcmk__format_option_metadata(const char *name, const char *desc_short, const char *desc_long, pcmk__cluster_option_t *option_list, int len) { + char *locale = NULL; char *escaped_long = NULL; char *escaped_short = NULL; char *retval; /* big enough to hold "pacemaker-schedulerd metadata" output */ GString *s = g_string_sized_new(13000); int lpc = 0; escaped_long = crm_xml_escape(desc_long); escaped_short = crm_xml_escape(desc_short); g_string_append_printf(s, "" "\n" "\n" " %s\n" " %s\n" " %s\n" " \n", name, PCMK_OCF_VERSION, escaped_long, escaped_short); free(escaped_long); free(escaped_short); for (lpc = 0; lpc < len; lpc++) { if ((option_list[lpc].description_long == NULL) && (option_list[lpc].description_short == NULL)) { continue; } + g_string_append_printf(s, " \n", + option_list[lpc].name); + escaped_long = crm_xml_escape(option_list[lpc].description_long? - _(option_list[lpc].description_long) : - _(option_list[lpc].description_short)); - escaped_short = crm_xml_escape(_(option_list[lpc].description_short)); + option_list[lpc].description_long : + option_list[lpc].description_short); + escaped_short = crm_xml_escape(option_list[lpc].description_short); - g_string_append_printf(s, " \n" + g_string_append_printf(s, " %s%s%s\n" " %s\n", - option_list[lpc].name, escaped_long, (option_list[lpc].values? " Allowed values: " : ""), (option_list[lpc].values? option_list[lpc].values : ""), escaped_short); - free(escaped_long); + +#ifdef ENABLE_NLS + escaped_long = crm_xml_escape(option_list[lpc].description_long? + _(option_list[lpc].description_long) : + _(option_list[lpc].description_short)); + escaped_short = crm_xml_escape(_(option_list[lpc].description_short)); + + locale=strtok(setlocale(LC_ALL,NULL),"_"); + g_string_append_printf(s, + " %s%s%s\n" + " %s\n", + locale, + escaped_long, + (option_list[lpc].values? " Allowed values: " : ""), + (option_list[lpc].values? option_list[lpc].values : ""), + locale, + escaped_short); +#endif + free(escaped_long); free(escaped_short); if (option_list[lpc].values && !strcmp(option_list[lpc].type, "select")) { char *str = strdup(option_list[lpc].values); char delim[] = ", "; char *ptr = strtok(str, delim); g_string_append_printf(s, " \n", option_list[lpc].type, option_list[lpc].default_value); while (ptr != NULL) { g_string_append_printf(s, " \n"); free(str); } else { g_string_append_printf(s, " \n", option_list[lpc].type, option_list[lpc].default_value ); } g_string_append_printf(s, " \n"); } g_string_append_printf(s, " \n\n"); retval = s->str; g_string_free(s, FALSE); return retval; } void pcmk__validate_cluster_options(GHashTable *options, pcmk__cluster_option_t *option_list, int len) { for (int lpc = 0; lpc < len; lpc++) { cluster_option_value(options, option_list[lpc].is_valid, option_list[lpc].name, option_list[lpc].alt_name, option_list[lpc].default_value); } } diff --git a/po/zh_CN.po b/po/zh_CN.po index 53954ae6d1..f5b5b5c774 100644 --- a/po/zh_CN.po +++ b/po/zh_CN.po @@ -1,119 +1,119 @@ # # Copyright 2003-2022 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. # #, fuzzy msgid "" msgstr "" "Project-Id-Version: Pacemaker 2\n" "Report-Msgid-Bugs-To: developers@clusterlabs.org\n" "POT-Creation-Date: 2022-03-09 12:11+0800\n" "PO-Revision-Date: 2021-11-08 11:04+0800\n" "Last-Translator: Vivi \n" "Language-Team: CHINESE \n" "Language: zh_CN\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #: daemons/controld/controld_control.c:543 msgid "" "Zero disables polling, while positive values are an interval in " "seconds(unless other units are specified, for example \"5min\")" msgstr "" "设置为0将禁用轮询，设置为正数将是以秒为单位的时间间隔（除非使用了其他单位，比" "如\"5min\"表示5分钟）" #: lib/cib/cib_utils.c:558 msgid "Enable Access Control Lists (ACLs) for the CIB" msgstr "为CIB启用访问控制列表(ACL)" #: lib/cib/cib_utils.c:564 msgid "Maximum IPC message backlog before disconnecting a cluster daemon" msgstr "断开集群守护程序之前的最大IPC消息积压" #: lib/cib/cib_utils.c:565 msgid "" "Raise this if log has \"Evicting client\" messages for cluster daemon PIDs " "(a good value is the number of resources in the cluster multiplied by the " "number of nodes)." msgstr "" "如果日志中有针对集群守护程序PID的消息“Evicting client”，（则建议将值设为集群" "中的资源数量乘以节点数量）" #: lib/pengine/common.c:126 msgid "Whether watchdog integration is enabled" msgstr "是否启用看门狗集成设置" #: tools/crm_resource.c:1388 #, fuzzy, c-format msgid "Metadata query for %s failed: %s" msgstr "，查询%s的元数据失败: %s\n" #: tools/crm_resource.c:1394 #, c-format msgid "'%s' is not a valid agent specification" msgstr "'%s' 是一个无效的代理" -#: daemons/fenced/pacemaker-fenced.c:1478 +#: daemons/fenced/pacemaker-fenced.c:1482 #, c-format msgid "" " Instance attributes available for all \"stonith\"-" "class resources and used by Pacemaker's fence daemon, formerly known as " "stonithd\n" msgstr "" " 实例属性可用于所有stonith类资源，并由Pacemaker的fence" "守护程序使用（以前称为stonithd）\n" -#: daemons/fenced/pacemaker-fenced.c:1480 +#: daemons/fenced/pacemaker-fenced.c:1484 #, c-format msgid "" " Instance attributes available for all \"stonith\"-" "class resources\n" msgstr "" " 可用于所有stonith类资源的实例属性\n" -#: daemons/fenced/pacemaker-fenced.c:1495 +#: daemons/fenced/pacemaker-fenced.c:1508 #, c-format msgid "" " Some devices do not support the standard 'port' " "parameter or may provide additional ones.\n" "Use this to specify an alternate, device-specific, parameter that should " "indicate the machine to be fenced.\n" "A value of 'none' can be used to tell the cluster not to supply any " "additional parameters.\n" " \n" msgstr "" -" 某些设备可能不支持使用标准的端口参数，也可能会提供额外的端口参数。\n" -"使用此参数可以为需要防护（fence）的机器指定一个备用的，专用于该设备的参数,该参数应指出要fence的机器。\n" -"使用值none可用来告诉集群不提供任何额外的参数\n" +" 某些设备可能不支持使用标准的'port'(端口)参数，也可能会提供额外的端口参数。\n" +"使用此参数可以为需要fence(防护)的机器指定一个备用的，专用于该设备的参数,该参数应指出要fence的机器。\n" +"使用值'none'可用来告诉集群不提供任何额外的参数\n" " \n" -#: daemons/fenced/pacemaker-fenced.c:1500 +#: daemons/fenced/pacemaker-fenced.c:1513 #, c-format msgid "" " Advanced use only: An alternate parameter to " "supply instead of 'port'\n" msgstr "" " Advanced use only:(仅限高级使用)备用参数可替代'port'\n" -#: daemons/fenced/pacemaker-fenced.c:1507 +#: daemons/fenced/pacemaker-fenced.c:1526 #, c-format msgid "" " Eg. node1:1;node2:2,3 would tell the cluster to " "use port 1 for node1 and ports 2 and 3 for node2\n" msgstr "" " 例如：pcmk_host_map=\"node:1;node2:2,3\"表示让集群的" "节点node1使用端口1，节点node2使用端口2和端口3。\n" -#: daemons/fenced/pacemaker-fenced.c:1509 +#: daemons/fenced/pacemaker-fenced.c:1528 #, c-format msgid "" " A mapping of host names to ports numbers for " "devices that do not support host names.\n" msgstr "" " 为不支持主机名的设备提供主机名和端口号的映射\n"