gboolean crm_is_peer_active(const crm_node_t * node) { if(node == NULL) { return FALSE; } if (is_set(node->flags, crm_remote_node)) { /* remote nodes are never considered active members. This * guarantees they will never be considered for DC membership.*/ return FALSE; } #if SUPPORT_COROSYNC if (is_openais_cluster()) { return crm_is_corosync_peer_active(node); } #endif #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { return crm_is_heartbeat_peer_active(node); } #endif crm_err("Unhandled cluster type: %s", name_for_cluster_type(get_cluster_type())); return FALSE; }
gboolean crm_connect_corosync(crm_cluster_t * cluster) { gboolean rc = FALSE; if (is_openais_cluster()) { crm_set_status_callback(&peer_update_callback); cluster->cpg.cpg_deliver_fn = crmd_cs_dispatch; cluster->cpg.cpg_confchg_fn = pcmk_cpg_membership; cluster->destroy = crmd_cs_destroy; rc = crm_cluster_connect(cluster); } if (rc && is_corosync_cluster()) { cluster_connect_quorum(crmd_cman_dispatch, crmd_quorum_destroy); } # if SUPPORT_CMAN if (rc && is_cman_cluster()) { init_cman_connection(crmd_cman_dispatch, crmd_cman_destroy); set_bit(fsa_input_register, R_MEMBERSHIP); } # endif return rc; }
static crm_node_t *crm_new_peer(unsigned int id, const char *uname) { crm_node_t *node = NULL; CRM_CHECK(uname != NULL || id > 0, return NULL); crm_debug("Creating entry for node %s/%u", uname, id); crm_malloc0(node, sizeof(crm_node_t)); node->state = crm_strdup("unknown"); if(id > 0) { node->id = id; crm_info("Node %s now has id: %u", crm_str(uname), id); g_hash_table_replace(crm_peer_id_cache, GUINT_TO_POINTER(node->id), node); } if(uname) { node->uname = crm_strdup(uname); CRM_ASSERT(node->uname != NULL); crm_info("Node %u is now known as %s", id, node->uname); g_hash_table_replace(crm_peer_cache, node->uname, node); if(is_openais_cluster()) { node->uuid = crm_strdup(node->uname); } if(crm_status_callback) { crm_status_callback(crm_status_uname, node, NULL); } } return node; }
gboolean crm_cluster_connect(crm_cluster_t * cluster) { enum cluster_type_e type = get_cluster_type(); crm_notice("Connecting to cluster infrastructure: %s", name_for_cluster_type(type)); #if SUPPORT_COROSYNC if (is_openais_cluster()) { crm_peer_init(); return init_cs_connection(cluster); } #endif #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { int rv; /* coverity[var_deref_op] False positive */ if (cluster->hb_conn == NULL) { /* No object passed in, create a new one. */ ll_cluster_t *(*new_cluster) (const char *llctype) = find_library_function(&hb_library, HEARTBEAT_LIBRARY, "ll_cluster_new", 1); cluster->hb_conn = (*new_cluster) ("heartbeat"); /* dlclose(handle); */ } else { /* Object passed in. Disconnect first, then reconnect below. */ cluster->hb_conn->llc_ops->signoff(cluster->hb_conn, FALSE); } /* make sure we are disconnected first with the old object, if any. */ if (heartbeat_cluster && heartbeat_cluster != cluster->hb_conn) { heartbeat_cluster->llc_ops->signoff(heartbeat_cluster, FALSE); } CRM_ASSERT(cluster->hb_conn != NULL); heartbeat_cluster = cluster->hb_conn; rv = register_heartbeat_conn(cluster); if (rv) { /* we'll benefit from a bigger queue length on heartbeat side. * Otherwise, if peers send messages faster than we can consume * them right now, heartbeat messaging layer will kick us out once * it's (small) default queue fills up :( * If we fail to adjust the sendq length, that's not yet fatal, though. */ if (HA_OK != heartbeat_cluster->llc_ops->set_sendq_len(heartbeat_cluster, 1024)) { crm_warn("Cannot set sendq length: %s", heartbeat_cluster->llc_ops->errmsg(heartbeat_cluster)); } } return rv; } #endif crm_info("Unsupported cluster stack: %s", getenv("HA_cluster_type")); return FALSE; }
gboolean crm_is_peer_active(const crm_node_t * node) { #if SUPPORT_COROSYNC if(is_openais_cluster()) { return crm_is_corosync_peer_active(node); } #endif #if SUPPORT_HEARTBEAT if(is_heartbeat_cluster()) { return crm_is_heartbeat_peer_active(node); } #endif crm_err("Unhandled cluster type: %s", name_for_cluster_type(get_cluster_type())); return FALSE; }
gboolean send_cluster_message(crm_node_t * node, enum crm_ais_msg_types service, xmlNode * data, gboolean ordered) { #if SUPPORT_COROSYNC if (is_openais_cluster()) { return send_cluster_message_cs(data, FALSE, node, service); } #endif #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { return send_ha_message(heartbeat_cluster, data, node ? node->uname : NULL, ordered); } #endif return FALSE; }
gboolean crm_connect_corosync(void) { gboolean rc = FALSE; if (is_openais_cluster()) { crm_set_status_callback(&ais_status_callback); rc = crm_cluster_connect(&fsa_our_uname, &fsa_our_uuid, crmd_ais_dispatch, crmd_ais_destroy, NULL); } if (rc && is_corosync_cluster()) { init_quorum_connection(crmd_cman_dispatch, crmd_quorum_destroy); } if (rc && is_cman_cluster()) { init_cman_connection(crmd_cman_dispatch, crmd_cman_destroy); set_bit_inplace(fsa_input_register, R_CCM_DATA); } return rc; }
void crm_cluster_disconnect(crm_cluster_t * cluster) { enum cluster_type_e type = get_cluster_type(); const char *type_str = name_for_cluster_type(type); crm_info("Disconnecting from cluster infrastructure: %s", type_str); #if SUPPORT_COROSYNC if (is_openais_cluster()) { crm_peer_destroy(); terminate_cs_connection(cluster); crm_info("Disconnected from %s", type_str); return; } #endif #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { if (cluster == NULL) { crm_info("No cluster connection"); return; } else if (cluster->hb_conn) { cluster->hb_conn->llc_ops->signoff(cluster->hb_conn, TRUE); cluster->hb_conn = NULL; crm_info("Disconnected from %s", type_str); return; } else { crm_info("No %s connection", type_str); return; } } #endif crm_info("Unsupported cluster stack: %s", getenv("HA_cluster_type")); }
crm_node_t * crm_update_peer(const char *source, unsigned int id, uint64_t born, uint64_t seen, int32_t votes, uint32_t children, const char *uuid, const char *uname, const char *addr, const char *state) { #if SUPPORT_PLUGIN gboolean addr_changed = FALSE; gboolean votes_changed = FALSE; #endif crm_node_t *node = NULL; id = get_corosync_id(id, uuid); node = crm_get_peer(id, uname); CRM_ASSERT(node != NULL); if (node->uuid == NULL) { if (is_openais_cluster()) { /* Yes, overrule whatever was passed in */ crm_peer_uuid(node); } else if (uuid != NULL) { node->uuid = strdup(uuid); } } if (children > 0) { crm_update_peer_proc(source, node, children, state); } if (state != NULL) { crm_update_peer_state(source, node, state, seen); } #if SUPPORT_HEARTBEAT if (born != 0) { node->born = born; } #endif #if SUPPORT_PLUGIN /* These were only used by the plugin */ if (born != 0) { node->born = born; } if (votes > 0 && node->votes != votes) { votes_changed = TRUE; node->votes = votes; } if (addr != NULL) { if (node->addr == NULL || crm_str_eq(node->addr, addr, FALSE) == FALSE) { addr_changed = TRUE; free(node->addr); node->addr = strdup(addr); } } if (addr_changed || votes_changed) { crm_info("%s: Node %s: id=%u state=%s addr=%s%s votes=%d%s born=" U64T " seen=" U64T " proc=%.32x", source, node->uname, node->id, node->state, node->addr, addr_changed ? " (new)" : "", node->votes, votes_changed ? " (new)" : "", node->born, node->last_seen, node->processes); } #endif return node; }
gboolean relay_message(xmlNode * msg, gboolean originated_locally) { int dest = 1; int is_for_dc = 0; int is_for_dcib = 0; int is_for_te = 0; int is_for_crm = 0; int is_for_cib = 0; int is_local = 0; gboolean processing_complete = FALSE; const char *host_to = crm_element_value(msg, F_CRM_HOST_TO); const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO); const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); const char *type = crm_element_value(msg, F_TYPE); const char *msg_error = NULL; crm_trace("Routing message %s", crm_element_value(msg, XML_ATTR_REFERENCE)); if (msg == NULL) { msg_error = "Cannot route empty message"; } else if (safe_str_eq(CRM_OP_HELLO, crm_element_value(msg, F_CRM_TASK))) { /* quietly ignore */ processing_complete = TRUE; } else if (safe_str_neq(type, T_CRM)) { msg_error = "Bad message type"; } else if (sys_to == NULL) { msg_error = "Bad message destination: no subsystem"; } if (msg_error != NULL) { processing_complete = TRUE; crm_err("%s", msg_error); crm_log_xml_warn(msg, "bad msg"); } if (processing_complete) { return TRUE; } processing_complete = TRUE; is_for_dc = (strcasecmp(CRM_SYSTEM_DC, sys_to) == 0); is_for_dcib = (strcasecmp(CRM_SYSTEM_DCIB, sys_to) == 0); is_for_te = (strcasecmp(CRM_SYSTEM_TENGINE, sys_to) == 0); is_for_cib = (strcasecmp(CRM_SYSTEM_CIB, sys_to) == 0); is_for_crm = (strcasecmp(CRM_SYSTEM_CRMD, sys_to) == 0); is_local = 0; if (host_to == NULL || strlen(host_to) == 0) { if (is_for_dc || is_for_te) { is_local = 0; } else if (is_for_crm && originated_locally) { is_local = 0; } else { is_local = 1; } } else if (safe_str_eq(fsa_our_uname, host_to)) { is_local = 1; } if (is_for_dc || is_for_dcib || is_for_te) { if (AM_I_DC && is_for_te) { ROUTER_RESULT("Message result: Local relay"); send_msg_via_ipc(msg, sys_to); } else if (AM_I_DC) { ROUTER_RESULT("Message result: DC/CRMd process"); processing_complete = FALSE; /* more to be done by caller */ } else if (originated_locally && safe_str_neq(sys_from, CRM_SYSTEM_PENGINE) && safe_str_neq(sys_from, CRM_SYSTEM_TENGINE)) { /* Neither the TE or PE should be sending messages * to DC's on other nodes * * By definition, if we are no longer the DC, then * the PE or TE's data should be discarded */ #if SUPPORT_COROSYNC if (is_openais_cluster()) { dest = text2msg_type(sys_to); } #endif ROUTER_RESULT("Message result: External relay to DC"); send_cluster_message(host_to ? crm_get_peer(0, host_to) : NULL, dest, msg, TRUE); } else { /* discard */ ROUTER_RESULT("Message result: Discard, not DC"); } } else if (is_local && (is_for_crm || is_for_cib)) { ROUTER_RESULT("Message result: CRMd process"); processing_complete = FALSE; /* more to be done by caller */ } else if (is_local) { ROUTER_RESULT("Message result: Local relay"); send_msg_via_ipc(msg, sys_to); } else { #if SUPPORT_COROSYNC if (is_openais_cluster()) { dest = text2msg_type(sys_to); if (dest == crm_msg_none || dest > crm_msg_stonith_ng) { dest = crm_msg_crmd; } } #endif ROUTER_RESULT("Message result: External relay"); send_cluster_message(host_to ? crm_get_peer(0, host_to) : NULL, dest, msg, TRUE); } return processing_complete; }
crm_node_t * crm_update_peer(const char *source, unsigned int id, uint64_t born, uint64_t seen, int32_t votes, uint32_t children, const char *uuid, const char *uname, const char *addr, const char *state) { gboolean addr_changed = FALSE; gboolean state_changed = FALSE; gboolean procs_changed = FALSE; gboolean votes_changed = FALSE; crm_node_t *node = NULL; id = get_corosync_id(id, uuid); CRM_CHECK(uname != NULL || id > 0, return NULL); CRM_ASSERT(crm_peer_cache != NULL); CRM_ASSERT(crm_peer_id_cache != NULL); node = crm_get_peer(id, uname); if (node == NULL) { crm_trace("No node found for %d/%s", id, uname); node = crm_new_peer(id, uname); CRM_LOG_ASSERT(node != NULL); if (node == NULL) { crm_err("Insufficient information to create node %d/%s", id, uname); return NULL; } /* do it now so we don't get '(new)' everywhere */ node->votes = votes; node->processes = children; if (addr) { node->addr = strdup(addr); } } if (votes > 0 && node->votes != votes) { votes_changed = TRUE; node->votes = votes; } if (node->uuid == NULL) { if (is_openais_cluster()) { /* Yes, overrule whatever was passed in */ node->uuid = get_corosync_uuid(id, uname); } else if (uuid != NULL) { node->uuid = strdup(uuid); } } if (children > 0 && children != node->processes) { uint32_t last = node->processes; node->processes = children; procs_changed = TRUE; if (crm_status_callback) { crm_status_callback(crm_status_processes, node, &last); } } if (born != 0) { node->born = born; } if (state != NULL && safe_str_neq(node->state, state)) { char *last = node->state; node->state = strdup(state); state_changed = TRUE; if (crm_status_callback) { crm_status_callback(crm_status_nstate, node, last); } free(last); } if (seen != 0 && safe_str_eq(node->state, CRM_NODE_MEMBER)) { node->last_seen = seen; } if (addr != NULL) { if (node->addr == NULL || crm_str_eq(node->addr, addr, FALSE) == FALSE) { addr_changed = TRUE; free(node->addr); node->addr = strdup(addr); } } if (state_changed || addr_changed || votes_changed) { do_crm_log_unlikely(state_changed?LOG_NOTICE:LOG_INFO, "%s: Node %s: id=%u state=%s%s addr=%s%s votes=%d%s born=" U64T " seen=" U64T " proc=%.32x%s", source, node->uname, node->id, node->state, state_changed ? " (new)" : "", node->addr, addr_changed ? " (new)" : "", node->votes, votes_changed ? " (new)" : "", node->born, node->last_seen, node->processes, procs_changed ? " (new)" : ""); } else if (procs_changed) { crm_debug("%s: Node %s: id=%u seen=" U64T " proc=%.32x (new)", source, node->uname, node->id, node->last_seen, node->processes); } return node; }
/* DCノード開始処理 */ void do_dc_takeover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t *msg_data) { int rc = cib_ok; xmlNode *cib = NULL; static const char *cluster_type = NULL; if(cluster_type == NULL) { cluster_type = getenv("HA_cluster_type"); } if(cluster_type == NULL) { cluster_type = "Heartbeat"; } crm_info("Taking over DC status for this partition"); /* -------- ★★★★★★★★フラグ的な意味あいでの、DCノードはここでセット --------- */ set_bit_inplace(fsa_input_register, R_THE_DC); #if SUPPORT_AIS if(is_openais_cluster()) { send_ais_text(crm_class_quorum, NULL, TRUE, NULL, crm_msg_ais); } #endif if(voted != NULL) { /* votedハッシュテーブルを破棄する */ crm_debug_2("Destroying voted hash"); g_hash_table_destroy(voted); voted = NULL; } /* R_JOIN_OK, R_INVOKE_PEフラグセット */ set_bit_inplace(fsa_input_register, R_JOIN_OK); set_bit_inplace(fsa_input_register, R_INVOKE_PE); /* CIBのset_master処理を実行する */ fsa_cib_conn->cmds->set_master(fsa_cib_conn, cib_scope_local); /* 初期CIBのXMLを生成する */ cib = create_xml_node(NULL, XML_TAG_CIB); /* 生成したXMLにCRM_FEATURE_SETをセットする */ crm_xml_add(cib, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET); /* CIBを生成した初期XMLで更新する */ fsa_cib_update(XML_TAG_CIB, cib, cib_quorum_override, rc); /* 更新コールバックをセットする */ add_cib_op_callback(fsa_cib_conn, rc, FALSE, NULL, feature_update_callback); /* CIBの"dc-version","cluster-infrastructure"属性を更新する */ update_attr(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, "dc-version", VERSION"-"BUILD_VERSION, FALSE); update_attr(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, "cluster-infrastructure", cluster_type, FALSE); /* config_readトリガーを叩く */ mainloop_set_trigger(config_read); free_xml(cib); }
const char * crm_peer_uname(const char *uuid) { GHashTableIter iter; crm_node_t *node = NULL; CRM_CHECK(uuid != NULL, return NULL); /* remote nodes have the same uname and uuid */ if (g_hash_table_lookup(crm_remote_peer_cache, uuid)) { return uuid; } /* avoid blocking calls where possible */ g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { if(node->uuid && strcasecmp(node->uuid, uuid) == 0) { if(node->uname) { return node->uname; } break; } } #if SUPPORT_COROSYNC if (is_openais_cluster()) { if (uname_is_uuid() == FALSE && is_corosync_cluster()) { uint32_t id = crm_int_helper(uuid, NULL); if(id != 0) { node = crm_find_peer(id, NULL); } else { crm_err("Invalid node id: %s", uuid); } } else { node = crm_find_peer(0, uuid); } if (node) { crm_info("Setting uuid for node %s[%u] to '%s'", node->uname, node->id, uuid); node->uuid = strdup(uuid); if(node->uname) { return node->uname; } } return NULL; } #endif #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { if (heartbeat_cluster != NULL) { cl_uuid_t uuid_raw; char *uuid_copy = strdup(uuid); char *uname = malloc(MAX_NAME); cl_uuid_parse(uuid_copy, &uuid_raw); if (heartbeat_cluster->llc_ops->get_name_by_uuid(heartbeat_cluster, &uuid_raw, uname, MAX_NAME) == HA_FAIL) { crm_err("Could not calculate uname for %s", uuid); } else { node = crm_get_peer(0, uname); } free(uuid_copy); free(uname); } if (node) { crm_info("Setting uuid for node %s to '%s'", node->uname, uuid); node->uuid = strdup(uuid); if(node->uname) { return node->uname; } } return NULL; } #endif return NULL; }
crm_node_t *crm_update_peer( unsigned int id, uint64_t born, uint64_t seen, int32_t votes, uint32_t children, const char *uuid, const char *uname, const char *addr, const char *state) { gboolean state_changed = FALSE; gboolean addr_changed = FALSE; gboolean procs_changed = FALSE; gboolean votes_changed = FALSE; crm_node_t *node = NULL; CRM_CHECK(uname != NULL || id > 0, return NULL); CRM_ASSERT(crm_peer_cache != NULL); CRM_ASSERT(crm_peer_id_cache != NULL); node = crm_get_peer(id, uname); if(node == NULL) { node = crm_new_peer(id, uname); /* do it now so we don't get '(new)' everywhere */ node->votes = votes; node->processes = children; if(addr) { node->addr = crm_strdup(addr); } } if(votes > 0 && node->votes != votes) { votes_changed = TRUE; node->votes = votes; } if(node->uuid == NULL) { if(uuid != NULL) { node->uuid = crm_strdup(uuid); } else if(node->uname != NULL && is_openais_cluster()) { node->uuid = crm_strdup(node->uname); } } if(children > 0 && children != node->processes) { uint32_t last = node->processes; node->processes = children; procs_changed = TRUE; if(crm_status_callback) { crm_status_callback(crm_status_processes, node, &last); } } if(born != 0) { node->born = born; } if(state != NULL && safe_str_neq(node->state, state)) { char *last = node->state; node->state = crm_strdup(state); state_changed = TRUE; if(crm_status_callback) { crm_status_callback(crm_status_nstate, node, last); } crm_free(last); } if(seen != 0 && crm_is_member_active(node)) { node->last_seen = seen; } if(addr != NULL) { if(node->addr == NULL || crm_str_eq(node->addr, addr, FALSE) == FALSE) { addr_changed = TRUE; crm_free(node->addr); node->addr = crm_strdup(addr); } } if(state_changed || addr_changed || votes_changed || procs_changed) { crm_info("Node %s: id=%u state=%s%s addr=%s%s votes=%d%s born="U64T" seen="U64T" proc=%.32x%s", node->uname, node->id, node->state, state_changed?" (new)":"", node->addr, addr_changed?" (new)":"", node->votes, votes_changed?" (new)":"", node->born, node->last_seen, node->processes, procs_changed?" (new)":"" ); } return node; }
int servant_pcmk(const char *diskname, int mode, const void* argp) { int exit_code = 0; crm_cluster_t crm_cluster; cl_log(LOG_INFO, "Monitoring Pacemaker health"); set_proc_title("sbd: watcher: Pacemaker"); setenv("PCMK_watchdog", "true", 1); if(debug == 0) { /* We don't want any noisy crm messages */ set_crm_log_level(LOG_CRIT); } #ifdef SUPPORT_PLUGIN cluster_stack = get_cluster_type(); if (cluster_stack != pcmk_cluster_classic_ais) { check_ais = 0; } else { check_ais = 1; cl_log(LOG_INFO, "Legacy plug-in detected, AIS quorum check enabled"); if(is_openais_cluster()) { crm_cluster.destroy = ais_membership_destroy; crm_cluster.cpg.cpg_deliver_fn = ais_membership_dispatch; /* crm_cluster.cpg.cpg_confchg_fn = pcmk_cpg_membership; TODO? */ crm_cluster.cpg.cpg_confchg_fn = NULL; } while (!crm_cluster_connect(&crm_cluster)) { cl_log(LOG_INFO, "Waiting to sign in with cluster ..."); sleep(reconnect_msec / 1000); } } #endif if (current_cib == NULL) { cib = cib_new(); do { exit_code = cib_connect(TRUE); if (exit_code != 0) { sleep(reconnect_msec / 1000); } } while (exit_code == -ENOTCONN); if (exit_code != 0) { clean_up(-exit_code); } } mainloop = g_main_new(FALSE); mainloop_add_signal(SIGTERM, mon_shutdown); mainloop_add_signal(SIGINT, mon_shutdown); timer_id_notify = g_timeout_add(timeout_loop * 1000, mon_timer_notify, NULL); #ifdef SUPPORT_PLUGIN if (check_ais) { timer_id_ais = g_timeout_add(timeout_loop * 1000, mon_timer_ais, NULL); } #endif g_main_run(mainloop); g_main_destroy(mainloop); clean_up(0); return 0; /* never reached */ }