diff --git a/crmd/callbacks.c b/crmd/callbacks.c index da8aa042d9..ac4b905afa 100644 --- a/crmd/callbacks.c +++ b/crmd/callbacks.c @@ -1,264 +1,264 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void crmd_ha_connection_destroy(gpointer user_data); /* From join_dc... */ extern gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source); void crmd_ha_connection_destroy(gpointer user_data) { crm_trace("Invoked"); if (is_set(fsa_input_register, R_HA_DISCONNECTED)) { /* we signed out, so this is expected */ crm_info("Heartbeat disconnection complete"); return; } crm_crit("Lost connection to heartbeat service!"); register_fsa_input(C_HA_DISCONNECT, I_ERROR, NULL); trigger_fsa(fsa_source); } void crmd_ha_msg_filter(xmlNode * msg) { if (AM_I_DC) { const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); if (safe_str_eq(sys_from, CRM_SYSTEM_DC)) { const char *from = crm_element_value(msg, F_ORIG); if (safe_str_neq(from, fsa_our_uname)) { int level = LOG_INFO; const char *op = crm_element_value(msg, F_CRM_TASK); /* make sure the election happens NOW */ if (fsa_state != S_ELECTION) { ha_msg_input_t new_input; level = LOG_WARNING; new_input.msg = msg; register_fsa_error_adv(C_FSA_INTERNAL, I_ELECTION, NULL, &new_input, __FUNCTION__); } do_crm_log(level, "Another DC detected: %s (op=%s)", from, op); goto done; } } } else { const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO); if (safe_str_eq(sys_to, CRM_SYSTEM_DC)) { return; } } /* crm_log_xml_trace("HA[inbound]", msg); */ route_message(C_HA_MESSAGE, msg); done: trigger_fsa(fsa_source); } void peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data) { uint32_t old = 0; uint32_t changed = 0; bool appeared = FALSE; const char *status = NULL; set_bit(fsa_input_register, R_PEER_DATA); if (node->uname == NULL) { return; } switch (type) { case crm_status_uname: /* If we've never seen the node, then it also wont be in the status section */ crm_info("%s is now %s", node->uname, node->state); return; case crm_status_rstate: crm_info("Remote node %s is now %s (was %s)", node->uname, node->state, (const char *)data); - + /* Keep going */ case crm_status_nstate: crm_info("%s is now %s (was %s)", node->uname, node->state, (const char *)data); if (safe_str_eq(data, node->state)) { /* State did not change */ return; } else if(safe_str_eq(CRM_NODE_MEMBER, node->state)) { appeared = TRUE; } break; case crm_status_processes: if (data) { old = *(const uint32_t *)data; changed = node->processes ^ old; } /* crmd_proc_update(node, proc_flags); */ status = (node->processes & proc_flags) ? ONLINESTATUS : OFFLINESTATUS; crm_info("Client %s/%s now has status [%s] (DC=%s)", node->uname, peer2text(proc_flags), status, AM_I_DC ? "true" : crm_str(fsa_our_dc)); if ((changed & proc_flags) == 0) { /* Peer process did not change */ crm_trace("No change %6x %6x %6x", old, node->processes, proc_flags); return; } else if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) { crm_trace("Not connected"); return; } else if (fsa_state == S_STOPPING) { crm_trace("Stopping"); return; } appeared = (node->processes & proc_flags) != 0; if (safe_str_eq(node->uname, fsa_our_uname) && (node->processes & proc_flags) == 0) { /* Did we get evicted? */ crm_notice("Our peer connection failed"); register_fsa_input(C_CRMD_STATUS_CALLBACK, I_ERROR, NULL); } else if (safe_str_eq(node->uname, fsa_our_dc) && crm_is_peer_active(node) == FALSE) { /* Did the DC leave us? */ crm_notice("Our peer on the DC (%s) is dead", fsa_our_dc); register_fsa_input(C_CRMD_STATUS_CALLBACK, I_ELECTION, NULL); } break; } if (AM_I_DC) { xmlNode *update = NULL; int flags = node_update_peer; gboolean alive = crm_is_peer_active(node); crm_action_t *down = match_down_event(0, node->uuid, NULL, appeared); crm_trace("Alive=%d, appear=%d, down=%p", alive, appeared, down); if (alive && type == crm_status_processes) { register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL); } if (down) { const char *task = crm_element_value(down->xml, XML_LRM_ATTR_TASK); if (alive && safe_str_eq(task, CRM_OP_FENCE)) { crm_info("Node return implies stonith of %s (action %d) completed", node->uname, down->id); erase_status_tag(node->uname, XML_CIB_TAG_LRM, cib_scope_local); erase_status_tag(node->uname, XML_TAG_TRANSIENT_NODEATTRS, cib_scope_local); /* down->confirmed = TRUE; Only stonith-ng returning should imply completion */ down->sent_update = TRUE; /* Prevent tengine_stonith_callback() from calling send_stonith_update() */ } else if (safe_str_eq(task, CRM_OP_FENCE)) { crm_trace("Waiting for stonithd to report the fencing of %s is complete", node->uname); /* via tengine_stonith_callback() */ } else if (alive == FALSE) { crm_notice("%s of %s (op %d) is complete", task, node->uname, down->id); /* down->confirmed = TRUE; Only stonith-ng returning should imply completion */ stop_te_timer(down->timer); flags |= node_update_join | node_update_expected; crm_update_peer_join(__FUNCTION__, node, crm_join_none); crm_update_peer_expected(__FUNCTION__, node, CRMD_JOINSTATE_DOWN); check_join_state(fsa_state, __FUNCTION__); update_graph(transition_graph, down); trigger_graph(); } else { crm_trace("Other %p", down); } } else if (appeared == FALSE) { crm_notice("Stonith/shutdown of %s not matched", node->uname); crm_update_peer_join(__FUNCTION__, node, crm_join_none); check_join_state(fsa_state, __FUNCTION__); abort_transition(INFINITY, tg_restart, "Node failure", NULL); fail_incompletable_actions(transition_graph, node->uuid); } else { crm_trace("Other %p", down); } update = do_update_node_cib(node, flags, NULL, __FUNCTION__); fsa_cib_anon_update(XML_CIB_TAG_STATUS, update, cib_scope_local | cib_quorum_override | cib_can_create); free_xml(update); } trigger_fsa(fsa_source); } void crmd_cib_connection_destroy(gpointer user_data) { CRM_CHECK(user_data == fsa_cib_conn,;); crm_trace("Invoked"); trigger_fsa(fsa_source); fsa_cib_conn->state = cib_disconnected; if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) { crm_info("Connection to the CIB terminated..."); return; } /* eventually this will trigger a reconnect, not a shutdown */ crm_err("Connection to the CIB terminated..."); register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL); clear_bit(fsa_input_register, R_CIB_CONNECTED); return; } gboolean crm_fsa_trigger(gpointer user_data) { crm_trace("Invoked (queue len: %d)", g_list_length(fsa_message_queue)); s_crmd_fsa(C_FSA_INTERNAL); crm_trace("Exited (queue len: %d)", g_list_length(fsa_message_queue)); return TRUE; } diff --git a/crmd/membership.c b/crmd/membership.c index be1863aa4d..3c17913a5c 100644 --- a/crmd/membership.c +++ b/crmd/membership.c @@ -1,320 +1,322 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* put these first so that uuid_t is defined without conflicts */ #include #include #include #include #include #include #include #include #include #include #include #include #include gboolean membership_flux_hack = FALSE; void post_cache_update(int instance); int last_peer_update = 0; guint highest_born_on = -1; extern gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source); static void reap_dead_nodes(gpointer key, gpointer value, gpointer user_data) { crm_node_t *node = value; if (crm_is_peer_active(node) == FALSE) { crm_update_peer_join(__FUNCTION__, node, crm_join_none); if(node && node->uname) { election_remove(fsa_election, node->uname); if (safe_str_eq(fsa_our_uname, node->uname)) { crm_err("We're not part of the cluster anymore"); register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL); } else if (AM_I_DC == FALSE && safe_str_eq(node->uname, fsa_our_dc)) { crm_warn("Our DC node (%s) left the cluster", node->uname); register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL); } } if (fsa_state == S_INTEGRATION || fsa_state == S_FINALIZE_JOIN) { check_join_state(fsa_state, __FUNCTION__); } - fail_incompletable_actions(transition_graph, node->uuid); + if(node && node->uuid) { + fail_incompletable_actions(transition_graph, node->uuid); + } } } gboolean ever_had_quorum = FALSE; void post_cache_update(int instance) { xmlNode *no_op = NULL; crm_peer_seq = instance; crm_debug("Updated cache after membership event %d.", instance); g_hash_table_foreach(crm_peer_cache, reap_dead_nodes, NULL); set_bit(fsa_input_register, R_MEMBERSHIP); if (AM_I_DC) { populate_cib_nodes(node_update_quick | node_update_cluster | node_update_peer | node_update_expected, __FUNCTION__); } /* * If we lost nodes, we should re-check the election status * Safe to call outside of an election */ register_fsa_action(A_ELECTION_CHECK); /* Membership changed, remind everyone we're here. * This will aid detection of duplicate DCs */ no_op = create_request(CRM_OP_NOOP, NULL, NULL, CRM_SYSTEM_CRMD, AM_I_DC ? CRM_SYSTEM_DC : CRM_SYSTEM_CRMD, NULL); send_cluster_message(NULL, crm_msg_crmd, no_op, FALSE); free_xml(no_op); } static void crmd_node_update_complete(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; last_peer_update = 0; if (rc == pcmk_ok) { crm_trace("Node update %d complete", call_id); } else if(call_id < pcmk_ok) { crm_err("Node update failed: %s (%d)", pcmk_strerror(call_id), call_id); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } else { crm_err("Node update %d failed: %s (%d)", call_id, pcmk_strerror(rc), rc); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } xmlNode * do_update_node_cib(crm_node_t * node, int flags, xmlNode * parent, const char *source) { const char *value = NULL; xmlNode *node_state; if (is_set(node->flags, crm_remote_node)) { return simple_remote_node_status(node->uname, parent, source); } if (!node->state) { crm_info("Node update for %s cancelled: no state, not seen yet", node->uname); return NULL; } node_state = create_xml_node(parent, XML_CIB_TAG_STATE); set_uuid(node_state, XML_ATTR_UUID, node); if (crm_element_value(node_state, XML_ATTR_UUID) == NULL) { crm_info("Node update for %s cancelled: no id", node->uname); free_xml(node_state); return NULL; } crm_xml_add(node_state, XML_ATTR_UNAME, node->uname); if (flags & node_update_cluster) { if (safe_str_eq(node->state, CRM_NODE_ACTIVE)) { value = XML_BOOLEAN_YES; } else if (node->state) { value = XML_BOOLEAN_NO; } else { value = NULL; } crm_xml_add(node_state, XML_NODE_IN_CLUSTER, value); } if (flags & node_update_peer) { value = OFFLINESTATUS; if (node->processes & proc_flags) { value = ONLINESTATUS; } crm_xml_add(node_state, XML_NODE_IS_PEER, value); } if (flags & node_update_join) { if(node->join <= crm_join_none) { value = CRMD_JOINSTATE_DOWN; } else { value = CRMD_JOINSTATE_MEMBER; } crm_xml_add(node_state, XML_NODE_JOIN_STATE, value); } if (flags & node_update_expected) { crm_xml_add(node_state, XML_NODE_EXPECTED, node->expected); } crm_xml_add(node_state, XML_ATTR_ORIGIN, source); return node_state; } static void node_list_update_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; if(call_id < pcmk_ok) { crm_err("Node list update failed: %s (%d)", pcmk_strerror(call_id), call_id); crm_log_xml_debug(msg, "update:failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } else if(rc < pcmk_ok) { crm_err("Node update %d failed: %s (%d)", call_id, pcmk_strerror(rc), rc); crm_log_xml_debug(msg, "update:failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } void populate_cib_nodes(enum node_update_flags flags, const char *source) { int call_id = 0; gboolean from_hashtable = TRUE; int call_options = cib_scope_local | cib_quorum_override; xmlNode *node_list = create_xml_node(NULL, XML_CIB_TAG_NODES); #if SUPPORT_HEARTBEAT if (is_not_set(flags, node_update_quick) && is_heartbeat_cluster()) { from_hashtable = heartbeat_initialize_nodelist(fsa_cluster_conn, FALSE, node_list); } #endif #if SUPPORT_COROSYNC # if !SUPPORT_PLUGIN if (is_not_set(flags, node_update_quick) && is_corosync_cluster()) { from_hashtable = corosync_initialize_nodelist(NULL, FALSE, node_list); } # endif #endif if (from_hashtable) { GHashTableIter iter; crm_node_t *node = NULL; g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { xmlNode *new_node = NULL; crm_trace("Creating node entry for %s/%s", node->uname, node->uuid); if(node->uuid && node->uname) { /* We need both to be valid */ new_node = create_xml_node(node_list, XML_CIB_TAG_NODE); crm_xml_add(new_node, XML_ATTR_ID, node->uuid); crm_xml_add(new_node, XML_ATTR_UNAME, node->uname); } } } crm_trace("Populating section from %s", from_hashtable ? "hashtable" : "cluster"); fsa_cib_update(XML_CIB_TAG_NODES, node_list, call_options, call_id, NULL); fsa_register_cib_callback(call_id, FALSE, NULL, node_list_update_callback); free_xml(node_list); if (call_id >= pcmk_ok && crm_peer_cache != NULL && AM_I_DC) { /* * There is no need to update the local CIB with our values if * we've not seen valid membership data */ GHashTableIter iter; crm_node_t *node = NULL; node_list = create_xml_node(NULL, XML_CIB_TAG_STATUS); g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { do_update_node_cib(node, flags, node_list, source); } if (crm_remote_peer_cache) { g_hash_table_iter_init(&iter, crm_remote_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { do_update_node_cib(node, flags, node_list, source); } } fsa_cib_update(XML_CIB_TAG_STATUS, node_list, call_options, call_id, NULL); fsa_register_cib_callback(call_id, FALSE, NULL, crmd_node_update_complete); last_peer_update = call_id; free_xml(node_list); } } static void cib_quorum_update_complete(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; if (rc == pcmk_ok) { crm_trace("Quorum update %d complete", call_id); } else { crm_err("Quorum update %d failed: %s (%d)", call_id, pcmk_strerror(rc), rc); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } void crm_update_quorum(gboolean quorum, gboolean force_update) { ever_had_quorum |= quorum; if (AM_I_DC && (force_update || fsa_has_quorum != quorum)) { int call_id = 0; xmlNode *update = NULL; int call_options = cib_scope_local | cib_quorum_override; update = create_xml_node(NULL, XML_TAG_CIB); crm_xml_add_int(update, XML_ATTR_HAVE_QUORUM, quorum); crm_xml_add(update, XML_ATTR_DC_UUID, fsa_our_uuid); fsa_cib_update(XML_TAG_CIB, update, call_options, call_id, NULL); crm_debug("Updating quorum status to %s (call=%d)", quorum ? "true" : "false", call_id); fsa_register_cib_callback(call_id, FALSE, NULL, cib_quorum_update_complete); free_xml(update); } fsa_has_quorum = quorum; } diff --git a/fencing/main.c b/fencing/main.c index 2dc322c46d..c58b00ffc3 100644 --- a/fencing/main.c +++ b/fencing/main.c @@ -1,1227 +1,1227 @@ /* * Copyright (C) 2009 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include char *stonith_our_uname = NULL; char *stonith_our_uuid = NULL; GMainLoop *mainloop = NULL; gboolean stand_alone = FALSE; gboolean no_cib_connect = FALSE; gboolean stonith_shutdown_flag = FALSE; qb_ipcs_service_t *ipcs = NULL; xmlNode *local_cib = NULL; static cib_t *cib_api = NULL; static void *cib_library = 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", crm_ipcs_client_pid(c)); return -EPERM; } if (crm_client_new(c, uid, gid) == NULL) { return -EIO; } return 0; } static void st_ipc_created(qb_ipcs_connection_t * c) { crm_trace("Connection created for %p", c); } /* 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; crm_client_t *c = crm_client_get(qbc); if (c == NULL) { crm_info("Invalid client: %p", qbc); return 0; } request = crm_ipcs_recv(c, data, size, &id, &flags); if (request == NULL) { crm_ipcs_send_ack(c, id, flags, "nack", __FUNCTION__, __LINE__); return 0; } if (c->name == NULL) { const char *value = crm_element_value(request, F_STONITH_CLIENTNAME); if (value == NULL) { value = "unknown"; } c->name = g_strdup_printf("%s.%u", value, c->pid); } crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options); crm_trace("Flags %u/%u for command %u from %s", flags, call_options, id, crm_client_name(c)); if (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, crm_client_name(c)); crm_xml_add(request, F_STONITH_CLIENTNODE, stonith_our_uname); crm_log_xml_trace(request, "Client[inbound]"); 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) { crm_client_t *client = crm_client_get(c); if (client == NULL) { return 0; } crm_trace("Connection %p closed", c); crm_client_destroy(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 (crm_str_eq(op, "poke", TRUE)) { return; } crm_log_xml_trace(msg, "Peer[inbound]"); stonith_command(NULL, 0, 0, msg, remote_peer); } #if SUPPORT_HEARTBEAT static void stonith_peer_hb_callback(HA_Message * msg, void *private_data) { xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__); stonith_peer_callback(xml, private_data); free_xml(xml); } static void stonith_peer_hb_destroy(gpointer user_data) { if (stonith_shutdown_flag) { crm_info("Heartbeat disconnection complete... exiting"); } else { crm_err("Heartbeat connection lost! Exiting."); } stonith_shutdown(0); } #endif #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_err("Corosync connection terminated"); 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 */ crm_client_t *client_obj = NULL; int local_rc = pcmk_ok; crm_trace("Sending response"); client_obj = crm_client_get_by_id(client_id); crm_trace("Sending callback to request originator"); if (client_obj == NULL) { local_rc = -1; 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 %s %s", rid, client_obj->name, from_peer ? "(originator of delegated request)" : ""); } else { crm_trace("Sending an event to %s %s", client_obj->name, from_peer ? "(originator of delegated request)" : ""); } local_rc = crm_ipcs_send(client_obj, rid, notify_src, sync_reply?crm_ipc_flags_none:crm_ipc_server_event); } if (local_rc < pcmk_ok && client_obj != NULL) { crm_warn("%sSync reply to %s failed: %s", sync_reply ? "" : "A-", client_obj ? client_obj->name : "", pcmk_strerror(local_rc)); } } long long get_stonith_flag(const char *name) { if (safe_str_eq(name, T_STONITH_NOTIFY_FENCE)) { return 0x01; } else if (safe_str_eq(name, STONITH_OP_DEVICE_ADD)) { return 0x04; } else if (safe_str_eq(name, STONITH_OP_DEVICE_DEL)) { return 0x10; } return 0; } static void stonith_notify_client(gpointer key, gpointer value, gpointer user_data) { xmlNode *update_msg = user_data; crm_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 (client->options & get_stonith_flag(type)) { int rc = crm_ipcs_send(client, 0, update_msg, crm_ipc_server_event | crm_ipc_server_error); if (rc <= 0) { crm_warn("%s notification of client %s.%.6s failed: %s (%d)", type, crm_client_name(client), client->id, pcmk_strerror(rc), rc); } else { crm_trace("Sent %s notification to client %s.%.6s", type, crm_client_name(client), client->id); } } } void do_stonith_async_timeout_update(const char *client_id, const char *call_id, int timeout) { crm_client_t *client = NULL; xmlNode *notify_data = NULL; if (!timeout || !call_id || !client_id) { return; } client = crm_client_get_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) { crm_ipcs_send(client, 0, notify_data, crm_ipc_server_event); } free_xml(notify_data); } void do_stonith_notify(int options, const char *type, int result, xmlNode * data) { /* TODO: Standardize the contents of data */ xmlNode *update_msg = create_xml_node(NULL, "notify"); CRM_CHECK(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); crm_xml_add_int(update_msg, F_STONITH_RC, result); if (data != NULL) { add_message_xml(update_msg, F_STONITH_CALLDATA, data); } crm_trace("Notifying clients"); g_hash_table_foreach(client_connections, stonith_notify_client, update_msg); free_xml(update_msg); crm_trace("Notify complete"); } static stonith_key_value_t * parse_device_list(const char *devices) { int lpc = 0; int max = 0; int last = 0; stonith_key_value_t *output = NULL; if (devices == NULL) { return output; } max = strlen(devices); for (lpc = 0; lpc <= max; lpc++) { if (devices[lpc] == ',' || devices[lpc] == 0) { char *line = NULL; line = calloc(1, 2 + lpc - last); snprintf(line, 1 + lpc - last, "%s", devices + last); output = stonith_key_value_add(output, NULL, line); free(line); last = lpc + 1; } } return output; } static void topology_remove_helper(const char *node, int level) { int rc; char *desc = NULL; xmlNode *data = create_xml_node(NULL, F_STONITH_LEVEL); xmlNode *notify_data = create_xml_node(NULL, STONITH_OP_LEVEL_DEL); crm_xml_add(data, "origin", __FUNCTION__); crm_xml_add_int(data, XML_ATTR_ID, level); crm_xml_add(data, F_STONITH_TARGET, node); rc = stonith_level_remove(data, &desc); crm_xml_add(notify_data, F_STONITH_DEVICE, desc); crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(topology)); do_stonith_notify(0, STONITH_OP_LEVEL_DEL, rc, notify_data); free_xml(notify_data); free_xml(data); free(desc); } static void topology_register_helper(const char *node, int level, stonith_key_value_t * device_list) { int rc; char *desc = NULL; xmlNode *notify_data = create_xml_node(NULL, STONITH_OP_LEVEL_ADD); xmlNode *data = create_level_registration_xml(node, level, device_list); rc = stonith_level_register(data, &desc); crm_xml_add(notify_data, F_STONITH_DEVICE, desc); crm_xml_add_int(notify_data, F_STONITH_ACTIVE, g_hash_table_size(topology)); do_stonith_notify(0, STONITH_OP_LEVEL_ADD, rc, notify_data); free_xml(notify_data); 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_CHECK(match != NULL, continue); standard = crm_element_value(match, XML_AGENT_ATTR_CLASS); if (safe_str_neq(standard, "stonith")) { continue; } rsc_id = crm_element_value(match, XML_ATTR_ID); stonith_device_remove(rsc_id, TRUE); } } 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_CHECK(match != NULL, continue); if (crm_element_value(match, XML_DIFF_MARKER)) { /* Deletion */ int index = 0; const char *target = crm_element_value(match, XML_ATTR_STONITH_TARGET); 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, gboolean force) { int max = numXpathResults(xpathObj), lpc = 0; for (lpc = 0; lpc < max; lpc++) { int index = 0; const char *target; const char *dev_list; stonith_key_value_t *devices = NULL; xmlNode *match = getXpathResult(xpathObj, lpc); CRM_CHECK(match != NULL, continue); crm_element_value_int(match, XML_ATTR_STONITH_INDEX, &index); target = crm_element_value(match, XML_ATTR_STONITH_TARGET); dev_list = crm_element_value(match, XML_ATTR_STONITH_DEVICES); devices = parse_device_list(dev_list); crm_trace("Updating %s[%d] (%s) to %s", target, index, ID(match), dev_list); 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 if (force == FALSE && crm_element_value(match, XML_DIFF_MARKER)) { /* Addition */ topology_register_helper(target, index, devices); } else { /* Modification */ /* Remove then re-add */ topology_remove_helper(target, index); topology_register_helper(target, index, devices); } stonith_key_value_freeall(devices, 1, 1); } } /* Fencing */ static void fencing_topology_init(xmlNode * msg) { xmlXPathObjectPtr xpathObj = NULL; const char *xpath = "//" XML_TAG_FENCING_LEVEL; crm_trace("Pushing in stonith topology"); /* Grab everything */ xpathObj = xpath_search(msg, xpath); register_fencing_topology(xpathObj, TRUE); freeXpathObject(xpathObj); } #define rsc_name(x) x->clone_name?x->clone_name:x->id static bool have_fence_scsi = FALSE; static void cib_device_update(resource_t *rsc, pe_working_set_t *data_set) { node_t *node = NULL; const char *value = NULL; const char *rclass = NULL; node_t *parent = NULL; if(rsc->children) { GListPtr gIter = NULL; for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) { cib_device_update(gIter->data, data_set); if(rsc->variant == pe_clone || rsc->variant == pe_master) { crm_trace("Only processing one copy of the clone %s", rsc->id); break; } } return; } if(g_hash_table_lookup(device_list, rsc_name(rsc))) { stonith_device_remove(rsc_name(rsc), TRUE); } rclass = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS); if(safe_str_neq(rclass, "stonith")) { return; } value = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_TARGET_ROLE); if(value && strcmp(RSC_STOPPED, value) == 0) { crm_info("Device %s has been disabled", rsc->id); return; } else if(stonith_our_uname) { GHashTableIter iter; 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; } } - if (rsc->parent && rsc->parent->variant == pe_group) { + if (rsc->parent && rsc->parent->variant == pe_group && stonith_our_uname) { GHashTableIter iter; g_hash_table_iter_init(&iter, rsc->parent->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&parent)) { if(parent && strcmp(parent->details->uname, stonith_our_uname) == 0) { break; } parent = NULL; } } if(node == NULL) { 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)) { 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 { xmlNode *data; 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 *provider = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER); crm_info("Device %s is allowed on %s: score=%d", rsc->id, stonith_our_uname, node->weight); get_rsc_attributes(rsc->parameters, rsc, node, data_set); g_hash_table_iter_init(&gIter, rsc->parameters); 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), provider, agent, params); stonith_device_register(data, NULL, TRUE); /* If required, unfence ourselves on cluster startup * * Make this generic/smarter if/when more than a single agent needs this */ if(have_fence_scsi == FALSE && safe_str_eq(agent, "fence_scsi")) { stonith_device_t *device = g_hash_table_lookup(device_list, rsc->id); if(stonith_our_uname == NULL) { crm_trace("Cannot unfence ourselves: no local host name"); } else if(device == NULL) { crm_err("Cannot unfence ourselves: no such device '%s'", rsc->id); } else { const char *alias = g_hash_table_lookup(device->aliases, stonith_our_uname); if (!alias) { alias = stonith_our_uname; } if (device->targets && string_in_list(device->targets, alias)) { have_fence_scsi = TRUE; crm_notice("Unfencing ourselves with %s (%s)", agent, device->id); schedule_internal_command(__FUNCTION__, device, "on", stonith_our_uname, 0, NULL, unfence_cb); } } } stonith_key_value_freeall(params, 1, 1); free_xml(data); } } extern xmlNode *do_calculations(pe_working_set_t * data_set, xmlNode * xml_input, crm_time_t * now); extern node_t *create_node(const char *id, const char *uname, const char *type, const char *score, pe_working_set_t * data_set); static void cib_devices_update(void) { GListPtr gIter = NULL; pe_working_set_t data_set; set_working_set_defaults(&data_set); data_set.input = local_cib; data_set.now = crm_time_new(NULL); data_set.flags |= pe_flag_quick_location; data_set.localhost = stonith_our_uname; cluster_status(&data_set); do_calculations(&data_set, NULL, NULL); for (gIter = data_set.resources; gIter != NULL; gIter = gIter->next) { cib_device_update(gIter->data, &data_set); } data_set.input = NULL; /* Wasn't a copy */ cleanup_alloc_calculations(&data_set); } static void update_cib_stonith_devices(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 (safe_str_neq(standard, "stonith")) { 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 the cib: %s", reason); cib_devices_update(); } } static void update_fencing_topology(const char *event, xmlNode * msg) { const char *xpath; xmlXPathObjectPtr xpathObj = NULL; /* 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, FALSE); freeXpathObject(xpathObj); } static bool have_cib_devices = FALSE; static void update_cib_cache_cb(const char *event, xmlNode * msg) { int rc = pcmk_ok; static int (*cib_apply_patch_event)(xmlNode *, xmlNode *, xmlNode **, int) = NULL; 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; } if (cib_apply_patch_event == NULL) { cib_apply_patch_event = find_library_function(&cib_library, CIB_LIBRARY, "cib_apply_patch_event", TRUE); } CRM_ASSERT(cib_apply_patch_event); /* Maintain a local copy of the CIB so that we have full access to the device definitions and location constraints */ if (local_cib != NULL) { xmlNode *cib_last = local_cib; local_cib = NULL; rc = (*cib_apply_patch_event)(msg, cib_last, &local_cib, LOG_DEBUG); free_xml(cib_last); switch (rc) { case -pcmk_err_diff_resync: case -pcmk_err_diff_failed: crm_notice("[%s] Patch aborted: %s (%d)", event, pcmk_strerror(rc), rc); case pcmk_ok: break; default: crm_warn("[%s] ABORTED: %s (%d)", event, pcmk_strerror(rc), rc); } } if (local_cib == NULL) { crm_trace("Re-requesting the full cib after diff failure"); rc = cib_api->cmds->query(cib_api, NULL, &local_cib, cib_scope_local | cib_sync_call); if(rc != pcmk_ok) { crm_err("Couldnt retrieve the CIB: %s (%d)", pcmk_strerror(rc), rc); } CRM_ASSERT(local_cib != NULL); } update_fencing_topology(event, msg); update_cib_stonith_devices(event, msg); } static void init_cib_cache_cb(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { crm_info("Updating device list from the cib: init"); have_cib_devices = TRUE; local_cib = copy_xml(output); fencing_topology_init(msg); cib_devices_update(); } static void stonith_shutdown(int nsig) { stonith_shutdown_flag = TRUE; crm_info("Terminating with %d clients", crm_hash_table_size(client_connections)); if (mainloop != NULL && g_main_is_running(mainloop)) { g_main_quit(mainloop); } else { stonith_cleanup(); crm_exit(pcmk_ok); } } static void cib_connection_destroy(gpointer user_data) { if (stonith_shutdown_flag) { crm_info("Connection to the CIB closed."); return; } else { crm_notice("Connection to the CIB terminated. 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->signoff(cib_api); } if (ipcs) { qb_ipcs_destroy(ipcs); } crm_peer_destroy(); crm_client_cleanup(); free(stonith_our_uname); free_xml(local_cib); } /* *INDENT-OFF* */ static struct crm_option long_options[] = { {"stand-alone", 0, 0, 's'}, {"stand-alone-w-cpg", 0, 0, 'c'}, {"verbose", 0, 0, 'V'}, {"version", 0, 0, '$'}, {"help", 0, 0, '?'}, {0, 0, 0, 0} }; /* *INDENT-ON* */ static void setup_cib(void) { int rc, retries = 0; static cib_t *(*cib_new_fn) (void) = NULL; if (cib_new_fn == NULL) { cib_new_fn = find_library_function(&cib_library, CIB_LIBRARY, "cib_new", TRUE); } if (cib_new_fn != NULL) { cib_api = (*cib_new_fn) (); } if (cib_api == NULL) { crm_err("No connection to the CIB"); return; } do { sleep(retries); rc = cib_api->cmds->signon(cib_api, CRM_SYSTEM_CRMD, cib_command); } while (rc == -ENOTCONN && ++retries < 5); if (rc != pcmk_ok) { crm_err("Could not connect to the CIB service: %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_notice("Watching for stonith topology changes"); } } struct qb_ipcs_service_handlers ipc_callbacks = { .connection_accept = st_ipc_accept, .connection_created = st_ipc_created, .msg_process = st_ipc_dispatch, .connection_closed = st_ipc_closed, .connection_destroyed = st_ipc_destroy }; static void st_peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data) { /* * 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 rc = 0; int lpc = 0; int argerr = 0; int option_index = 0; crm_cluster_t cluster; const char *actions[] = { "reboot", "off", "list", "monitor", "status" }; crm_log_init("stonith-ng", LOG_INFO, TRUE, FALSE, argc, argv, FALSE); crm_set_options(NULL, "mode [options]", long_options, "Provides a summary of cluster's current state." "\n\nOutputs varying levels of detail in a number of different formats.\n"); while (1) { flag = crm_get_option(argc, argv, &option_index); if (flag == -1) { break; } switch (flag) { case 'V': crm_bump_log_level(argc, argv); break; case 's': stand_alone = TRUE; break; case 'c': stand_alone = FALSE; no_cib_connect = TRUE; break; case '$': case '?': crm_help(flag, EX_OK); break; default: ++argerr; break; } } if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) { printf("\n"); printf("\n"); printf(" 1.0\n"); printf (" This is a fake resource that details the instance attributes handled by stonithd.\n"); printf(" Options available for all stonith resources\n"); printf(" \n"); printf(" \n"); printf (" How long to wait for the STONITH action to complete per a stonith device.\n"); printf (" Overrides the stonith-timeout cluster property\n"); printf(" \n"); printf(" \n"); printf(" \n"); printf (" The priority of the stonith resource. Devices are tried in order of highest priority to lowest.\n"); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTARG); printf (" Advanced use only: An alternate parameter to supply instead of 'port'\n"); 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"); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTMAP); printf (" A mapping of host names to ports numbers for devices that do not support host names.\n"); 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"); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTLIST); printf (" A list of machines controlled by this device (Optional unless %s=static-list).\n", STONITH_ATTR_HOSTCHECK); printf(" \n"); printf(" \n"); printf(" \n", STONITH_ATTR_HOSTCHECK); printf (" How to determin which machines are controlled by the device.\n"); printf (" Allowed values: dynamic-list (query the device), static-list (check the %s attribute), none (assume every device can fence every machine)\n", STONITH_ATTR_HOSTLIST); printf(" \n"); printf(" \n"); for (lpc = 0; lpc < DIMOF(actions); lpc++) { printf(" \n", actions[lpc]); printf (" Advanced use only: An alternate command to run instead of '%s'\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(" \n", actions[lpc]); printf(" \n"); printf(" \n", actions[lpc]); printf (" Advanced use only: Specify an alternate timeout to use for %s actions instead of stonith-timeout\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(" \n"); printf(" \n"); printf(" \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(" 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(" \n"); printf(" \n"); } printf(" \n"); printf("\n"); return 0; } if (optind != argc) { ++argerr; } if (argerr) { crm_help('?', EX_USAGE); } mainloop_add_signal(SIGTERM, stonith_shutdown); crm_peer_init(); if (stand_alone == FALSE) { #if SUPPORT_HEARTBEAT cluster.hb_conn = NULL; cluster.hb_dispatch = stonith_peer_hb_callback; cluster.destroy = stonith_peer_hb_destroy; #endif if (is_openais_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 } if (crm_cluster_connect(&cluster) == FALSE) { crm_crit("Cannot sign in to the cluster... terminating"); crm_exit(DAEMON_RESPAWN_STOP); } stonith_our_uname = cluster.uname; stonith_our_uuid = cluster.uuid; if (no_cib_connect == FALSE) { setup_cib(); } } else { stonith_our_uname = strdup("localhost"); } crm_set_status_callback(&st_peer_update_callback); device_list = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free_device); topology = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free_topology_entry); stonith_ipc_server_init(&ipcs, &ipc_callbacks); #if SUPPORT_STONITH_CONFIG if (((stand_alone == TRUE)) && !(standalone_cfg_read_file(STONITH_NG_CONF_FILE))) { standalone_cfg_commit(); } #endif /* Create the mainloop and run it... */ mainloop = g_main_new(FALSE); crm_info("Starting %s mainloop", crm_system_name); g_main_run(mainloop); stonith_cleanup(); #if SUPPORT_HEARTBEAT if (cluster.hb_conn) { cluster.hb_conn->llc_ops->delete(cluster.hb_conn); } #endif crm_info("Done"); return crm_exit(rc); } diff --git a/lib/common/ipc.c b/lib/common/ipc.c index 0fe275901c..3d347068b5 100644 --- a/lib/common/ipc.c +++ b/lib/common/ipc.c @@ -1,1236 +1,1237 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define PCMK_IPC_VERSION 1 struct crm_ipc_response_header { struct qb_ipc_response_header qb; uint32_t size_uncompressed; uint32_t size_compressed; uint32_t flags; uint8_t version; /* Protect against version changes for anyone that might bother to statically link us */ }; static int hdr_offset = 0; static int ipc_buffer_max = 0; -static int pick_ipc_buffer(int max); +static unsigned int pick_ipc_buffer(int max); static inline void crm_ipc_init(void) { if (hdr_offset == 0) { hdr_offset = sizeof(struct crm_ipc_response_header); } if (ipc_buffer_max == 0) { ipc_buffer_max = pick_ipc_buffer(0); } } int crm_ipc_default_buffer_size(void) { return pick_ipc_buffer(0); } static char * generateReference(const char *custom1, const char *custom2) { static uint ref_counter = 0; const char *local_cust1 = custom1; const char *local_cust2 = custom2; int reference_len = 4; char *since_epoch = NULL; reference_len += 20; /* too big */ reference_len += 40; /* too big */ if (local_cust1 == NULL) { local_cust1 = "_empty_"; } reference_len += strlen(local_cust1); if (local_cust2 == NULL) { local_cust2 = "_empty_"; } reference_len += strlen(local_cust2); since_epoch = calloc(1, reference_len); if (since_epoch != NULL) { sprintf(since_epoch, "%s-%s-%ld-%u", local_cust1, local_cust2, (unsigned long)time(NULL), ref_counter++); } return since_epoch; } xmlNode * create_request_adv(const char *task, xmlNode * msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *origin) { char *true_from = NULL; xmlNode *request = NULL; char *reference = generateReference(task, sys_from); if (uuid_from != NULL) { true_from = generate_hash_key(sys_from, uuid_from); } else if (sys_from != NULL) { true_from = strdup(sys_from); } else { crm_err("No sys from specified"); } /* host_from will get set for us if necessary by CRMd when routed */ request = create_xml_node(NULL, __FUNCTION__); crm_xml_add(request, F_CRM_ORIGIN, origin); crm_xml_add(request, F_TYPE, T_CRM); crm_xml_add(request, F_CRM_VERSION, CRM_FEATURE_SET); crm_xml_add(request, F_CRM_MSG_TYPE, XML_ATTR_REQUEST); crm_xml_add(request, F_CRM_REFERENCE, reference); crm_xml_add(request, F_CRM_TASK, task); crm_xml_add(request, F_CRM_SYS_TO, sys_to); crm_xml_add(request, F_CRM_SYS_FROM, true_from); /* HOSTTO will be ignored if it is to the DC anyway. */ if (host_to != NULL && strlen(host_to) > 0) { crm_xml_add(request, F_CRM_HOST_TO, host_to); } if (msg_data != NULL) { add_message_xml(request, F_CRM_DATA, msg_data); } free(reference); free(true_from); return request; } /* * This method adds a copy of xml_response_data */ xmlNode * create_reply_adv(xmlNode * original_request, xmlNode * xml_response_data, const char *origin) { xmlNode *reply = NULL; const char *host_from = crm_element_value(original_request, F_CRM_HOST_FROM); const char *sys_from = crm_element_value(original_request, F_CRM_SYS_FROM); const char *sys_to = crm_element_value(original_request, F_CRM_SYS_TO); const char *type = crm_element_value(original_request, F_CRM_MSG_TYPE); const char *operation = crm_element_value(original_request, F_CRM_TASK); const char *crm_msg_reference = crm_element_value(original_request, F_CRM_REFERENCE); if (type == NULL) { crm_err("Cannot create new_message, no message type in original message"); CRM_ASSERT(type != NULL); return NULL; #if 0 } else if (strcasecmp(XML_ATTR_REQUEST, type) != 0) { crm_err("Cannot create new_message, original message was not a request"); return NULL; #endif } reply = create_xml_node(NULL, __FUNCTION__); if (reply == NULL) { crm_err("Cannot create new_message, malloc failed"); return NULL; } crm_xml_add(reply, F_CRM_ORIGIN, origin); crm_xml_add(reply, F_TYPE, T_CRM); crm_xml_add(reply, F_CRM_VERSION, CRM_FEATURE_SET); crm_xml_add(reply, F_CRM_MSG_TYPE, XML_ATTR_RESPONSE); crm_xml_add(reply, F_CRM_REFERENCE, crm_msg_reference); crm_xml_add(reply, F_CRM_TASK, operation); /* since this is a reply, we reverse the from and to */ crm_xml_add(reply, F_CRM_SYS_TO, sys_from); crm_xml_add(reply, F_CRM_SYS_FROM, sys_to); /* HOSTTO will be ignored if it is to the DC anyway. */ if (host_from != NULL && strlen(host_from) > 0) { crm_xml_add(reply, F_CRM_HOST_TO, host_from); } if (xml_response_data != NULL) { add_message_xml(reply, F_CRM_DATA, xml_response_data); } return reply; } /* Libqb based IPC */ /* Server... */ GHashTable *client_connections = NULL; crm_client_t * crm_client_get(qb_ipcs_connection_t * c) { if (client_connections) { return g_hash_table_lookup(client_connections, c); } crm_trace("No client found for %p", c); return NULL; } crm_client_t * crm_client_get_by_id(const char *id) { gpointer key; crm_client_t *client; GHashTableIter iter; if (client_connections && id) { g_hash_table_iter_init(&iter, client_connections); while (g_hash_table_iter_next(&iter, &key, (gpointer *) & client)) { if (strcmp(client->id, id) == 0) { return client; } } } crm_trace("No client found with id=%s", id); return NULL; } const char * crm_client_name(crm_client_t * c) { if (c == NULL) { return "null"; } else if (c->name == NULL && c->id == NULL) { return "unknown"; } else if (c->name == NULL) { return c->id; } else { return c->name; } } void crm_client_init(void) { if (client_connections == NULL) { crm_trace("Creating client hash table"); client_connections = g_hash_table_new(g_direct_hash, g_direct_equal); } } void crm_client_cleanup(void) { if (client_connections != NULL) { int active = g_hash_table_size(client_connections); if (active) { crm_err("Exiting with %d active connections", active); } g_hash_table_destroy(client_connections); client_connections = NULL; } } void crm_client_disconnect_all(qb_ipcs_service_t *service) { qb_ipcs_connection_t *c = qb_ipcs_connection_first_get(service); while (c != NULL) { qb_ipcs_connection_t *last = c; c = qb_ipcs_connection_next_get(service, last); /* There really shouldn't be anyone connected at this point */ crm_notice("Disconnecting client %p, pid=%d...", last, crm_ipcs_client_pid(last)); qb_ipcs_disconnect(last); qb_ipcs_connection_unref(last); } } crm_client_t * crm_client_new(qb_ipcs_connection_t * c, uid_t uid_client, gid_t gid_client) { static uid_t uid_server = 0; static gid_t gid_cluster = 0; crm_client_t *client = NULL; CRM_LOG_ASSERT(c); if (c == NULL) { return NULL; } if (gid_cluster == 0) { uid_server = getuid(); if(crm_user_lookup(CRM_DAEMON_USER, NULL, &gid_cluster) < 0) { static bool have_error = FALSE; if(have_error == FALSE) { crm_warn("Could not find group for user %s", CRM_DAEMON_USER); have_error = TRUE; } } } if(gid_cluster != 0 && gid_client != 0) { uid_t best_uid = -1; /* Passing -1 to chown(2) means don't change */ if(uid_client == 0 || uid_server == 0) { /* Someone is priveliged, but the other may not be */ best_uid = QB_MAX(uid_client, uid_server); crm_trace("Allowing user %u to clean up after disconnect", best_uid); } crm_trace("Giving access to group %u", gid_cluster); qb_ipcs_connection_auth_set(c, best_uid, gid_cluster, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); } crm_client_init(); + /* TODO: Do our own auth checking, return NULL if unauthorized */ client = calloc(1, sizeof(crm_client_t)); client->ipcs = c; client->kind = CRM_CLIENT_IPC; client->pid = crm_ipcs_client_pid(c); client->id = crm_generate_uuid(); crm_info("Connecting %p for uid=%d gid=%d pid=%u id=%s", c, uid_client, gid_client, client->pid, client->id); #if ENABLE_ACL client->user = uid2username(uid_client); #endif g_hash_table_insert(client_connections, c, client); return client; } void crm_client_destroy(crm_client_t * c) { if (c == NULL) { return; } if (client_connections) { if (c->ipcs) { crm_trace("Destroying %p/%p (%d remaining)", c, c->ipcs, crm_hash_table_size(client_connections) - 1); g_hash_table_remove(client_connections, c->ipcs); } else { crm_trace("Destroying remote connection %p (%d remaining)", c, crm_hash_table_size(client_connections) - 1); g_hash_table_remove(client_connections, c->id); } } if (c->event_timer) { g_source_remove(c->event_timer); } crm_info("Destroying %d events", g_list_length(c->event_queue)); while (c->event_queue) { struct iovec *event = c->event_queue->data; c->event_queue = g_list_remove(c->event_queue, event); free(event[0].iov_base); free(event[1].iov_base); free(event); } free(c->id); free(c->name); free(c->user); if (c->remote) { if (c->remote->auth_timeout) { g_source_remove(c->remote->auth_timeout); } free(c->remote->buffer); free(c->remote); } free(c); } int crm_ipcs_client_pid(qb_ipcs_connection_t * c) { struct qb_ipcs_connection_stats stats; stats.client_pid = 0; qb_ipcs_connection_stats_get(c, &stats, 0); return stats.client_pid; } xmlNode * crm_ipcs_recv(crm_client_t * c, void *data, size_t size, uint32_t * id, uint32_t * flags) { xmlNode *xml = NULL; char *uncompressed = NULL; char *text = ((char *)data) + sizeof(struct crm_ipc_response_header); struct crm_ipc_response_header *header = data; if (id) { *id = ((struct qb_ipc_response_header *)data)->id; } if (flags) { *flags = header->flags; } if(header->version > PCMK_IPC_VERSION) { crm_err("Filtering incompatible v%d IPC message, we only support versions <= %d", header->version, PCMK_IPC_VERSION); return NULL; } if (header->size_compressed) { int rc = 0; unsigned int size_u = 1 + header->size_uncompressed; uncompressed = calloc(1, size_u); crm_trace("Decompressing message data %d bytes into %d bytes", header->size_compressed, size_u); rc = BZ2_bzBuffToBuffDecompress(uncompressed, &size_u, text, header->size_compressed, 1, 0); text = uncompressed; if (rc != BZ_OK) { crm_err("Decompression failed: %s (%d)", bz2_strerror(rc), rc); free(uncompressed); return NULL; } } CRM_ASSERT(text[header->size_uncompressed - 1] == 0); crm_trace("Received %.200s", text); xml = string2xml(text); free(uncompressed); return xml; } ssize_t crm_ipcs_flush_events(crm_client_t * c); static gboolean crm_ipcs_flush_events_cb(gpointer data) { crm_client_t *c = data; c->event_timer = 0; crm_ipcs_flush_events(c); return FALSE; } ssize_t crm_ipcs_flush_events(crm_client_t * c) { int sent = 0; ssize_t rc = 0; int queue_len = 0; if (c == NULL) { return pcmk_ok; } else if (c->event_timer) { /* There is already a timer, wait until it goes off */ crm_trace("Timer active for %p - %d", c->ipcs, c->event_timer); return pcmk_ok; } queue_len = g_list_length(c->event_queue); while (c->event_queue && sent < 100) { struct crm_ipc_response_header *header = NULL; struct iovec *event = c->event_queue->data; rc = qb_ipcs_event_sendv(c->ipcs, event, 2); if (rc < 0) { break; } sent++; header = event[0].iov_base; if (header->size_compressed) { crm_trace("Event %d to %p[%d] (%d compressed bytes) sent", header->qb.id, c->ipcs, c->pid, rc); } else { crm_trace("Event %d to %p[%d] (%d bytes) sent: %.120s", header->qb.id, c->ipcs, c->pid, rc, event[1].iov_base); } c->event_queue = g_list_remove(c->event_queue, event); free(event[0].iov_base); free(event[1].iov_base); free(event); } queue_len -= sent; if (sent > 0 || c->event_queue) { crm_trace("Sent %d events (%d remaining) for %p[%d]: %s (%d)", sent, queue_len, c->ipcs, c->pid, pcmk_strerror(rc < 0 ? rc : 0), rc); } if (c->event_queue) { if (queue_len % 100 == 0 && queue_len > 99) { crm_warn("Event queue for %p[%d] has grown to %d", c->ipcs, c->pid, queue_len); } else if (queue_len > 500) { crm_err("Evicting slow client %p[%d]: event queue reached %d entries", c->ipcs, c->pid, queue_len); qb_ipcs_disconnect(c->ipcs); return rc; } c->event_timer = g_timeout_add(1000 + 100 * queue_len, crm_ipcs_flush_events_cb, c); } return rc; } ssize_t crm_ipc_prepare(uint32_t request, xmlNode * message, struct iovec ** result, int32_t max_send_size) { static int biggest = 0; struct iovec *iov; unsigned int total = 0; char *compressed = NULL; char *buffer = dump_xml_unformatted(message); struct crm_ipc_response_header *header = calloc(1, sizeof(struct crm_ipc_response_header)); CRM_ASSERT(result != NULL); crm_ipc_init(); if (max_send_size == 0) { max_send_size = ipc_buffer_max; } CRM_LOG_ASSERT(max_send_size != 0); *result = NULL; iov = calloc(2, sizeof(struct iovec)); iov[0].iov_len = hdr_offset; iov[0].iov_base = header; header->version = PCMK_IPC_VERSION; header->size_uncompressed = 1 + strlen(buffer); total = iov[0].iov_len + header->size_uncompressed; if (total < max_send_size) { iov[1].iov_base = buffer; iov[1].iov_len = header->size_uncompressed; } else { unsigned int new_size = 0; if (crm_compress_string (buffer, header->size_uncompressed, max_send_size, &compressed, &new_size)) { header->flags |= crm_ipc_compressed; header->size_compressed = new_size; iov[1].iov_len = header->size_compressed; iov[1].iov_base = compressed; free(buffer); if (header->size_compressed > biggest) { biggest = 2 * QB_MAX(header->size_compressed, biggest); } } else { ssize_t rc = -EMSGSIZE; crm_log_xml_trace(message, "EMSGSIZE"); biggest = 2 * QB_MAX(header->size_uncompressed, biggest); crm_err ("Could not compress the message into less than the configured ipc limit (%d bytes)." "Set PCMK_ipc_buffer to a higher value (%d bytes suggested)", max_send_size, biggest); free(compressed); free(buffer); free(header); free(iov); return rc; } } header->qb.size = iov[0].iov_len + iov[1].iov_len; header->qb.id = (int32_t)request; /* Replying to a specific request */ *result = iov; return header->qb.size; } ssize_t crm_ipcs_sendv(crm_client_t * c, struct iovec * iov, enum crm_ipc_flags flags) { ssize_t rc; static uint32_t id = 1; struct crm_ipc_response_header *header = iov[0].iov_base; if (flags & crm_ipc_proxied) { /* _ALL_ replies to proxied connections need to be sent as events */ flags |= crm_ipc_server_event; } if (flags & crm_ipc_server_event) { header->qb.id = id++; /* We don't really use it, but doesn't hurt to set one */ if (flags & crm_ipc_server_free) { crm_trace("Sending the original to %p[%d]", c->ipcs, c->pid); c->event_queue = g_list_append(c->event_queue, iov); } else { struct iovec *iov_copy = calloc(2, sizeof(struct iovec)); crm_trace("Sending a copy to %p[%d]", c->ipcs, c->pid); iov_copy[0].iov_len = iov[0].iov_len; iov_copy[0].iov_base = malloc(iov[0].iov_len); memcpy(iov_copy[0].iov_base, iov[0].iov_base, iov[0].iov_len); iov_copy[1].iov_len = iov[1].iov_len; iov_copy[1].iov_base = malloc(iov[1].iov_len); memcpy(iov_copy[1].iov_base, iov[1].iov_base, iov[1].iov_len); c->event_queue = g_list_append(c->event_queue, iov_copy); } } else { CRM_LOG_ASSERT(header->qb.id != 0); /* Replying to a specific request */ rc = qb_ipcs_response_sendv(c->ipcs, iov, 2); if (rc < header->qb.size) { crm_notice("Response %d to %p[%d] (%d bytes) failed: %s (%d)", header->qb.id, c->ipcs, c->pid, header->qb.size, pcmk_strerror(rc), rc); } else { crm_trace("Response %d sent, %d bytes to %p[%d]", header->qb.id, rc, c->ipcs, c->pid); } if (flags & crm_ipc_server_free) { free(iov[0].iov_base); free(iov[1].iov_base); free(iov); } } if (flags & crm_ipc_server_event) { rc = crm_ipcs_flush_events(c); } else { crm_ipcs_flush_events(c); } if (rc == -EPIPE || rc == -ENOTCONN) { crm_trace("Client %p disconnected", c->ipcs); } return rc; } ssize_t crm_ipcs_send(crm_client_t * c, uint32_t request, xmlNode * message, enum crm_ipc_flags flags) { struct iovec *iov = NULL; ssize_t rc = 0; if(c == NULL) { return -EDESTADDRREQ; } crm_ipc_init(); rc = crm_ipc_prepare(request, message, &iov, ipc_buffer_max); if (rc > 0) { rc = crm_ipcs_sendv(c, iov, flags | crm_ipc_server_free); } else { free(iov); crm_notice("Message to %p[%d] failed: %s (%d)", c->ipcs, c->pid, pcmk_strerror(rc), rc); } return rc; } void crm_ipcs_send_ack(crm_client_t * c, uint32_t request, uint32_t flags, const char *tag, const char *function, int line) { if (flags & crm_ipc_client_response) { xmlNode *ack = create_xml_node(NULL, tag); crm_trace("Ack'ing msg from %s (%p)", crm_client_name(c), c); c->request_id = 0; crm_xml_add(ack, "function", function); crm_xml_add_int(ack, "line", line); crm_ipcs_send(c, request, ack, flags); free_xml(ack); } } /* Client... */ #define MIN_MSG_SIZE 12336 /* sizeof(struct qb_ipc_connection_response) */ #define MAX_MSG_SIZE 128*1024 /* 128k default */ struct crm_ipc_s { struct pollfd pfd; /* the max size we can send/receive over ipc */ int max_buf_size; /* Size of the allocated 'buffer' */ int buf_size; int msg_size; int need_reply; char *buffer; char *name; qb_ipcc_connection_t *ipc; }; -static int +static unsigned int pick_ipc_buffer(int max) { static int global_max = 0; if(global_max == 0) { const char *env = getenv("PCMK_ipc_buffer"); if (env) { global_max = crm_parse_int(env, "0"); } else { global_max = MAX_MSG_SIZE; } } return QB_MAX(max, global_max); } crm_ipc_t * crm_ipc_new(const char *name, size_t max_size) { crm_ipc_t *client = NULL; client = calloc(1, sizeof(crm_ipc_t)); client->name = strdup(name); client->buf_size = pick_ipc_buffer(max_size); client->buffer = malloc(client->buf_size); /* Clients initiating connection pick the max buf size */ client->max_buf_size = client->buf_size; client->pfd.fd = -1; client->pfd.events = POLLIN; client->pfd.revents = 0; return client; } bool crm_ipc_connect(crm_ipc_t * client) { client->need_reply = FALSE; client->ipc = qb_ipcc_connect(client->name, client->buf_size); if (client->ipc == NULL) { crm_perror(LOG_INFO, "Could not establish %s connection", client->name); return FALSE; } client->pfd.fd = crm_ipc_get_fd(client); if (client->pfd.fd < 0) { crm_perror(LOG_INFO, "Could not obtain file descriptor for %s connection", client->name); return FALSE; } qb_ipcc_context_set(client->ipc, client); #ifdef HAVE_IPCS_GET_BUFFER_SIZE client->max_buf_size = qb_ipcc_get_buffer_size(client->ipc); if (client->max_buf_size < client->buf_size) { free(client->buffer); client->buffer = calloc(1, client->max_buf_size); client->buf_size = client->max_buf_size; } #endif return TRUE; } void crm_ipc_close(crm_ipc_t * client) { if (client) { crm_trace("Disconnecting %s IPC connection %p (%p.%p)", client->name, client, client->ipc); if (client->ipc) { qb_ipcc_connection_t *ipc = client->ipc; client->ipc = NULL; qb_ipcc_disconnect(ipc); } } } void crm_ipc_destroy(crm_ipc_t * client) { if (client) { if (client->ipc && qb_ipcc_is_connected(client->ipc)) { crm_notice("Destroying an active IPC connection to %s", client->name); /* The next line is basically unsafe * * If this connection was attached to mainloop and mainloop is active, * the 'disconnected' callback will end up back here and we'll end * up free'ing the memory twice - something that can still happen * even without this if we destroy a connection and it closes before * we call exit */ /* crm_ipc_close(client); */ } crm_trace("Destroying IPC connection to %s: %p", client->name, client); free(client->buffer); free(client->name); free(client); } } int crm_ipc_get_fd(crm_ipc_t * client) { int fd = 0; CRM_ASSERT(client != NULL); if (client->ipc && qb_ipcc_fd_get(client->ipc, &fd) == 0) { return fd; } crm_perror(LOG_ERR, "Could not obtain file IPC descriptor for %s", client->name); return -EINVAL; } bool crm_ipc_connected(crm_ipc_t * client) { bool rc = FALSE; if (client == NULL) { crm_trace("No client"); return FALSE; } else if (client->ipc == NULL) { crm_trace("No connection"); return FALSE; } else if (client->pfd.fd < 0) { crm_trace("Bad descriptor"); return FALSE; } rc = qb_ipcc_is_connected(client->ipc); if (rc == FALSE) { client->pfd.fd = -EINVAL; } return rc; } int crm_ipc_ready(crm_ipc_t * client) { CRM_ASSERT(client != NULL); if (crm_ipc_connected(client) == FALSE) { return -ENOTCONN; } client->pfd.revents = 0; return poll(&(client->pfd), 1, 0); } static int crm_ipc_decompress(crm_ipc_t * client) { struct crm_ipc_response_header *header = (struct crm_ipc_response_header *)client->buffer; if (header->size_compressed) { int rc = 0; unsigned int size_u = 1 + header->size_uncompressed; /* never let buf size fall below our max size required for ipc reads. */ unsigned int new_buf_size = QB_MAX((hdr_offset + size_u), client->max_buf_size); char *uncompressed = calloc(1, new_buf_size); crm_trace("Decompressing message data %d bytes into %d bytes", header->size_compressed, size_u); rc = BZ2_bzBuffToBuffDecompress(uncompressed + hdr_offset, &size_u, client->buffer + hdr_offset, header->size_compressed, 1, 0); if (rc != BZ_OK) { crm_err("Decompression failed: %s (%d)", bz2_strerror(rc), rc); free(uncompressed); return -EILSEQ; } /* * This assert no longer holds true. For an identical msg, some clients may * require compression, and others may not. If that same msg (event) is sent * to multiple clients, it could result in some clients receiving a compressed * msg even though compression was not explicitly required for them. * * CRM_ASSERT((header->size_uncompressed + hdr_offset) >= ipc_buffer_max); */ CRM_ASSERT(size_u == header->size_uncompressed); memcpy(uncompressed, client->buffer, hdr_offset); /* Preserve the header */ header = (struct crm_ipc_response_header *)uncompressed; free(client->buffer); client->buf_size = new_buf_size; client->buffer = uncompressed; } CRM_ASSERT(client->buffer[hdr_offset + header->size_uncompressed - 1] == 0); return pcmk_ok; } long crm_ipc_read(crm_ipc_t * client) { struct crm_ipc_response_header *header = NULL; CRM_ASSERT(client != NULL); CRM_ASSERT(client->ipc != NULL); CRM_ASSERT(client->buffer != NULL); crm_ipc_init(); client->buffer[0] = 0; client->msg_size = qb_ipcc_event_recv(client->ipc, client->buffer, client->buf_size - 1, 0); if (client->msg_size >= 0) { int rc = crm_ipc_decompress(client); if (rc != pcmk_ok) { return rc; } header = (struct crm_ipc_response_header *)client->buffer; if(header->version > PCMK_IPC_VERSION) { crm_err("Filtering incompatible v%d IPC message, we only support versions <= %d", header->version, PCMK_IPC_VERSION); return -EBADMSG; } crm_trace("Received %s event %d, size=%d, rc=%d, text: %.100s", client->name, header->qb.id, header->qb.size, client->msg_size, client->buffer + hdr_offset); } else { crm_trace("No message from %s received: %s", client->name, pcmk_strerror(client->msg_size)); } if (crm_ipc_connected(client) == FALSE || client->msg_size == -ENOTCONN) { crm_err("Connection to %s failed", client->name); } if (header) { /* Data excluding the header */ return header->size_uncompressed; } return -ENOMSG; } const char * crm_ipc_buffer(crm_ipc_t * client) { CRM_ASSERT(client != NULL); return client->buffer + sizeof(struct crm_ipc_response_header); } const char * crm_ipc_name(crm_ipc_t * client) { CRM_ASSERT(client != NULL); return client->name; } static int internal_ipc_send_recv(crm_ipc_t * client, const void *iov) { int rc = 0; do { rc = qb_ipcc_sendv_recv(client->ipc, iov, 2, client->buffer, client->buf_size, -1); } while (rc == -EAGAIN && crm_ipc_connected(client)); return rc; } static int internal_ipc_send_request(crm_ipc_t * client, const void *iov, int ms_timeout) { int rc = 0; time_t timeout = time(NULL) + 1 + (ms_timeout / 1000); do { rc = qb_ipcc_sendv(client->ipc, iov, 2); } while (rc == -EAGAIN && time(NULL) < timeout && crm_ipc_connected(client)); return rc; } static int internal_ipc_get_reply(crm_ipc_t * client, int request_id, int ms_timeout) { time_t timeout = time(NULL) + 1 + (ms_timeout / 1000); int rc = 0; crm_ipc_init(); /* get the reply */ crm_trace("client %s waiting on reply to msg id %d", client->name, request_id); do { rc = qb_ipcc_recv(client->ipc, client->buffer, client->buf_size, 1000); if (rc > 0) { struct crm_ipc_response_header *hdr = NULL; int rc = crm_ipc_decompress(client); if (rc != pcmk_ok) { return rc; } hdr = (struct crm_ipc_response_header *)client->buffer; if (hdr->qb.id == request_id) { /* Got it */ break; } else if (hdr->qb.id < request_id) { xmlNode *bad = string2xml(crm_ipc_buffer(client)); crm_err("Discarding old reply %d (need %d)", hdr->qb.id, request_id); crm_log_xml_notice(bad, "OldIpcReply"); } else { xmlNode *bad = string2xml(crm_ipc_buffer(client)); crm_err("Discarding newer reply %d (need %d)", hdr->qb.id, request_id); crm_log_xml_notice(bad, "ImpossibleReply"); CRM_ASSERT(hdr->qb.id <= request_id); } } else if (crm_ipc_connected(client) == FALSE) { crm_err("Server disconnected client %s while waiting for msg id %d", client->name, request_id); break; } } while (time(NULL) < timeout); return rc; } int crm_ipc_send(crm_ipc_t * client, xmlNode * message, enum crm_ipc_flags flags, int32_t ms_timeout, xmlNode ** reply) { long rc = 0; struct iovec *iov; static uint32_t id = 0; static int factor = 8; struct crm_ipc_response_header *header; crm_ipc_init(); if (client == NULL) { crm_notice("Invalid connection"); return -ENOTCONN; } else if (crm_ipc_connected(client) == FALSE) { /* Don't even bother */ crm_notice("Connection to %s closed", client->name); return -ENOTCONN; } if (ms_timeout == 0) { ms_timeout = 5000; } if (client->need_reply) { crm_trace("Trying again to obtain pending reply from %s", client->name); rc = qb_ipcc_recv(client->ipc, client->buffer, client->buf_size, ms_timeout); if (rc < 0) { crm_warn("Sending to %s (%p) is disabled until pending reply is received", client->name, client->ipc); return -EALREADY; } else { crm_notice("Lost reply from %s (%p) finally arrived, sending re-enabled", client->name, client->ipc); client->need_reply = FALSE; } } id++; CRM_LOG_ASSERT(id != 0); /* Crude wrap-around detection */ rc = crm_ipc_prepare(id, message, &iov, ipc_buffer_max); if(rc < 0) { return rc; } header = iov[0].iov_base; header->flags |= flags; if(is_set(flags, crm_ipc_proxied)) { /* Don't look for a synchronous response */ clear_bit(flags, crm_ipc_client_response); } if(header->size_compressed) { if(factor < 10 && (ipc_buffer_max / 10) < (rc / factor)) { crm_notice("Compressed message exceeds %d0%% of the configured ipc limit (%d bytes), " "consider setting PCMK_ipc_buffer to %d or higher", factor, ipc_buffer_max, 2*ipc_buffer_max); factor++; } } crm_trace("Sending from client: %s request id: %d bytes: %u timeout:%d msg...", client->name, header->qb.id, header->qb.size, ms_timeout); if (ms_timeout > 0 || is_not_set(flags, crm_ipc_client_response)) { rc = internal_ipc_send_request(client, iov, ms_timeout); if (rc <= 0) { crm_trace("Failed to send from client %s request %d with %u bytes...", client->name, header->qb.id, header->qb.size); goto send_cleanup; } else if (is_not_set(flags, crm_ipc_client_response)) { crm_trace("Message sent, not waiting for reply to %d from %s to %u bytes...", header->qb.id, client->name, header->qb.size); goto send_cleanup; } rc = internal_ipc_get_reply(client, header->qb.id, ms_timeout); if (rc < 0) { /* No reply, for now, disable sending * * The alternative is to close the connection since we don't know * how to detect and discard out-of-sequence replies * * TODO - implement the above */ client->need_reply = TRUE; } } else { rc = internal_ipc_send_recv(client, iov); } if (rc > 0) { struct crm_ipc_response_header *hdr = (struct crm_ipc_response_header *)client->buffer; crm_trace("Received response %d, size=%d, rc=%ld, text: %.200s", hdr->qb.id, hdr->qb.size, rc, crm_ipc_buffer(client)); if (reply) { *reply = string2xml(crm_ipc_buffer(client)); } } else { crm_trace("Response not received: rc=%ld, errno=%d", rc, errno); } send_cleanup: if (crm_ipc_connected(client) == FALSE) { crm_notice("Connection to %s closed: %s (%ld)", client->name, pcmk_strerror(rc), rc); } else if (rc == -ETIMEDOUT) { crm_warn("Request %d to %s (%p) failed: %s (%ld) after %dms", header->qb.id, client->name, client->ipc, pcmk_strerror(rc), rc, ms_timeout); crm_write_blackbox(0, NULL); } else if (rc <= 0) { crm_warn("Request %d to %s (%p) failed: %s (%ld)", header->qb.id, client->name, client->ipc, pcmk_strerror(rc), rc); } free(header); free(iov[1].iov_base); free(iov); return rc; } /* Utils */ xmlNode * create_hello_message(const char *uuid, const char *client_name, const char *major_version, const char *minor_version) { xmlNode *hello_node = NULL; xmlNode *hello = NULL; if (uuid == NULL || strlen(uuid) == 0 || client_name == NULL || strlen(client_name) == 0 || major_version == NULL || strlen(major_version) == 0 || minor_version == NULL || strlen(minor_version) == 0) { crm_err("Missing fields, Hello message will not be valid."); return NULL; } hello_node = create_xml_node(NULL, XML_TAG_OPTIONS); crm_xml_add(hello_node, "major_version", major_version); crm_xml_add(hello_node, "minor_version", minor_version); crm_xml_add(hello_node, "client_name", client_name); crm_xml_add(hello_node, "client_uuid", uuid); crm_trace("creating hello message"); hello = create_request(CRM_OP_HELLO, hello_node, NULL, NULL, client_name, uuid); free_xml(hello_node); return hello; } diff --git a/lib/common/utils.c b/lib/common/utils.c index af70fd3452..7adcccdecb 100644 --- a/lib/common/utils.c +++ b/lib/common/utils.c @@ -1,2468 +1,2474 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #ifndef _GNU_SOURCE # define _GNU_SOURCE #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef MAXLINE # define MAXLINE 512 #endif #ifdef HAVE_GETOPT_H # include #endif #ifndef PW_BUFFER_LEN # define PW_BUFFER_LEN 500 #endif CRM_TRACE_INIT_DATA(common); gboolean crm_config_error = FALSE; gboolean crm_config_warning = FALSE; char *crm_system_name = NULL; int node_score_red = 0; int node_score_green = 0; int node_score_yellow = 0; int node_score_infinity = INFINITY; static struct crm_option *crm_long_options = NULL; static const char *crm_app_description = NULL; static char *crm_short_options = NULL; static const char *crm_app_usage = NULL; int crm_exit(int rc) { mainloop_cleanup(); #if HAVE_LIBXML2 crm_trace("cleaning up libxml"); crm_xml_cleanup(); #endif crm_trace("exit %d", rc); qb_log_fini(); free(crm_short_options); free(crm_system_name); exit(ABS(rc)); /* Always exit with a positive value so that it can be passed to crm_error * * Otherwise the system wraps it around and people * have to jump through hoops figuring out what the * error was */ return rc; /* Can never happen, but allows return crm_exit(rc) * where "return rc" was used previously - which * keeps compilers happy. */ } gboolean check_time(const char *value) { if (crm_get_msec(value) < 5000) { return FALSE; } return TRUE; } gboolean check_timer(const char *value) { if (crm_get_msec(value) < 0) { return FALSE; } return TRUE; } gboolean check_boolean(const char *value) { int tmp = FALSE; if (crm_str_to_boolean(value, &tmp) != 1) { return FALSE; } return TRUE; } gboolean check_number(const char *value) { errno = 0; if (value == NULL) { return FALSE; } else if (safe_str_eq(value, MINUS_INFINITY_S)) { } else if (safe_str_eq(value, INFINITY_S)) { } else { crm_int_helper(value, NULL); } if (errno != 0) { return FALSE; } return TRUE; } gboolean check_utilization(const char *value) { char *end = NULL; long number = strtol(value, &end, 10); if(end && end[0] != '%') { return FALSE; } else if(number < 0) { return FALSE; } return TRUE; } int char2score(const char *score) { int score_f = 0; if (score == NULL) { } else if (safe_str_eq(score, MINUS_INFINITY_S)) { score_f = -node_score_infinity; } else if (safe_str_eq(score, INFINITY_S)) { score_f = node_score_infinity; } else if (safe_str_eq(score, "+" INFINITY_S)) { score_f = node_score_infinity; } else if (safe_str_eq(score, "red")) { score_f = node_score_red; } else if (safe_str_eq(score, "yellow")) { score_f = node_score_yellow; } else if (safe_str_eq(score, "green")) { score_f = node_score_green; } else { score_f = crm_parse_int(score, NULL); if (score_f > 0 && score_f > node_score_infinity) { score_f = node_score_infinity; } else if (score_f < 0 && score_f < -node_score_infinity) { score_f = -node_score_infinity; } } return score_f; } char * score2char(int score) { if (score >= node_score_infinity) { return strdup(INFINITY_S); } else if (score <= -node_score_infinity) { return strdup("-" INFINITY_S); } return crm_itoa(score); } const char * cluster_option(GHashTable * options, gboolean(*validate) (const char *), const char *name, const char *old_name, const char *def_value) { const char *value = NULL; CRM_ASSERT(name != NULL); if (options != NULL) { value = g_hash_table_lookup(options, name); } if (value == NULL && old_name && options != NULL) { value = g_hash_table_lookup(options, old_name); if (value != NULL) { crm_config_warn("Using deprecated name '%s' for" " cluster option '%s'", old_name, name); g_hash_table_insert(options, strdup(name), strdup(value)); value = g_hash_table_lookup(options, old_name); } } if (value == NULL) { crm_trace("Using default value '%s' for cluster option '%s'", def_value, name); if (options == NULL) { return def_value; } g_hash_table_insert(options, strdup(name), strdup(def_value)); value = g_hash_table_lookup(options, name); } if (validate && validate(value) == FALSE) { crm_config_err("Value '%s' for cluster option '%s' is invalid." " Defaulting to %s", value, name, def_value); g_hash_table_replace(options, strdup(name), strdup(def_value)); value = g_hash_table_lookup(options, name); } return value; } const char * get_cluster_pref(GHashTable * options, pe_cluster_option * option_list, int len, const char *name) { int lpc = 0; const char *value = NULL; gboolean found = FALSE; for (lpc = 0; lpc < len; lpc++) { if (safe_str_eq(name, option_list[lpc].name)) { found = TRUE; value = cluster_option(options, option_list[lpc].is_valid, option_list[lpc].name, option_list[lpc].alt_name, option_list[lpc].default_value); } } CRM_CHECK(found, crm_err("No option named: %s", name)); CRM_ASSERT(value != NULL); return value; } void config_metadata(const char *name, const char *version, const char *desc_short, const char *desc_long, pe_cluster_option * option_list, int len) { int lpc = 0; fprintf(stdout, "" "\n" "\n" " %s\n" " %s\n" " %s\n" " \n", name, version, desc_long, desc_short); for (lpc = 0; lpc < len; lpc++) { if (option_list[lpc].description_long == NULL && option_list[lpc].description_short == NULL) { continue; } fprintf(stdout, " \n" " %s\n" " \n" " %s%s%s\n" " \n", option_list[lpc].name, option_list[lpc].description_short, option_list[lpc].type, option_list[lpc].default_value, option_list[lpc].description_long ? option_list[lpc]. description_long : option_list[lpc].description_short, option_list[lpc].values ? " Allowed values: " : "", option_list[lpc].values ? option_list[lpc].values : ""); } fprintf(stdout, " \n\n"); } void verify_all_options(GHashTable * options, pe_cluster_option * option_list, int len) { int lpc = 0; for (lpc = 0; lpc < len; lpc++) { cluster_option(options, option_list[lpc].is_valid, option_list[lpc].name, option_list[lpc].alt_name, option_list[lpc].default_value); } } char * crm_concat(const char *prefix, const char *suffix, char join) { int len = 0; char *new_str = NULL; CRM_ASSERT(prefix != NULL); CRM_ASSERT(suffix != NULL); len = strlen(prefix) + strlen(suffix) + 2; new_str = malloc(len); if(new_str) { sprintf(new_str, "%s%c%s", prefix, join, suffix); new_str[len - 1] = 0; } return new_str; } char * generate_hash_key(const char *crm_msg_reference, const char *sys) { char *hash_key = crm_concat(sys ? sys : "none", crm_msg_reference, '_'); crm_trace("created hash key: (%s)", hash_key); return hash_key; } char * crm_itoa(int an_int) { int len = 32; char *buffer = NULL; buffer = malloc(len + 1); if (buffer != NULL) { snprintf(buffer, len, "%d", an_int); } return buffer; } void crm_build_path(const char *path_c, mode_t mode) { int offset = 1, len = 0; char *path = strdup(path_c); CRM_CHECK(path != NULL, return); for (len = strlen(path); offset < len; offset++) { if (path[offset] == '/') { path[offset] = 0; if (mkdir(path, mode) < 0 && errno != EEXIST) { crm_perror(LOG_ERR, "Could not create directory '%s'", path); break; } path[offset] = '/'; } } if (mkdir(path, mode) < 0 && errno != EEXIST) { crm_perror(LOG_ERR, "Could not create directory '%s'", path); } free(path); } int crm_user_lookup(const char *name, uid_t * uid, gid_t * gid) { int rc = -1; char *buffer = NULL; struct passwd pwd; struct passwd *pwentry = NULL; buffer = calloc(1, PW_BUFFER_LEN); getpwnam_r(name, &pwd, buffer, PW_BUFFER_LEN, &pwentry); if (pwentry) { rc = 0; if (uid) { *uid = pwentry->pw_uid; } if (gid) { *gid = pwentry->pw_gid; } crm_trace("Cluster user %s has uid=%d gid=%d", name, pwentry->pw_uid, pwentry->pw_gid); } else { crm_err("Cluster user %s does not exist", name); } free(buffer); return rc; } static int crm_version_helper(const char *text, char **end_text) { int atoi_result = -1; CRM_ASSERT(end_text != NULL); errno = 0; if (text != NULL && text[0] != 0) { atoi_result = (int)strtol(text, end_text, 10); if (errno == EINVAL) { crm_err("Conversion of '%s' %c failed", text, text[0]); atoi_result = -1; } } return atoi_result; } /* * version1 < version2 : -1 * version1 = version2 : 0 * version1 > version2 : 1 */ int compare_version(const char *version1, const char *version2) { int rc = 0; int lpc = 0; char *ver1_copy = NULL, *ver2_copy = NULL; char *rest1 = NULL, *rest2 = NULL; if (version1 == NULL && version2 == NULL) { return 0; } else if (version1 == NULL) { return -1; } else if (version2 == NULL) { return 1; } ver1_copy = strdup(version1); ver2_copy = strdup(version2); rest1 = ver1_copy; rest2 = ver2_copy; while (1) { int digit1 = 0; int digit2 = 0; lpc++; if (rest1 == rest2) { break; } if (rest1 != NULL) { digit1 = crm_version_helper(rest1, &rest1); } if (rest2 != NULL) { digit2 = crm_version_helper(rest2, &rest2); } if (digit1 < digit2) { rc = -1; break; } else if (digit1 > digit2) { rc = 1; break; } if (rest1 != NULL && rest1[0] == '.') { rest1++; } if (rest1 != NULL && rest1[0] == 0) { rest1 = NULL; } if (rest2 != NULL && rest2[0] == '.') { rest2++; } if (rest2 != NULL && rest2[0] == 0) { rest2 = NULL; } } free(ver1_copy); free(ver2_copy); if (rc == 0) { crm_trace("%s == %s (%d)", version1, version2, lpc); } else if (rc < 0) { crm_trace("%s < %s (%d)", version1, version2, lpc); } else if (rc > 0) { crm_trace("%s > %s (%d)", version1, version2, lpc); } return rc; } gboolean do_stderr = FALSE; void g_hash_destroy_str(gpointer data) { free(data); } #include /* #include */ /* #include */ long long crm_int_helper(const char *text, char **end_text) { long long result = -1; char *local_end_text = NULL; int saved_errno = 0; errno = 0; if (text != NULL) { #ifdef ANSI_ONLY if (end_text != NULL) { result = strtol(text, end_text, 10); } else { result = strtol(text, &local_end_text, 10); } #else if (end_text != NULL) { result = strtoll(text, end_text, 10); } else { result = strtoll(text, &local_end_text, 10); } #endif saved_errno = errno; /* CRM_CHECK(errno != EINVAL); */ if (errno == EINVAL) { crm_err("Conversion of %s failed", text); result = -1; } else if (errno == ERANGE) { crm_err("Conversion of %s was clipped: %lld", text, result); } else if (errno != 0) { crm_perror(LOG_ERR, "Conversion of %s failed:", text); } if (local_end_text != NULL && local_end_text[0] != '\0') { crm_err("Characters left over after parsing '%s': '%s'", text, local_end_text); } errno = saved_errno; } return result; } int crm_parse_int(const char *text, const char *default_text) { int atoi_result = -1; if (text != NULL) { atoi_result = crm_int_helper(text, NULL); if (errno == 0) { return atoi_result; } } if (default_text != NULL) { atoi_result = crm_int_helper(default_text, NULL); if (errno == 0) { return atoi_result; } } else { crm_err("No default conversion value supplied"); } return -1; } gboolean safe_str_neq(const char *a, const char *b) { if (a == b) { return FALSE; } else if (a == NULL || b == NULL) { return TRUE; } else if (strcasecmp(a, b) == 0) { return FALSE; } return TRUE; } gboolean crm_is_true(const char *s) { gboolean ret = FALSE; if (s != NULL) { crm_str_to_boolean(s, &ret); } return ret; } int crm_str_to_boolean(const char *s, int *ret) { if (s == NULL) { return -1; } else if (strcasecmp(s, "true") == 0 || strcasecmp(s, "on") == 0 || strcasecmp(s, "yes") == 0 || strcasecmp(s, "y") == 0 || strcasecmp(s, "1") == 0) { *ret = TRUE; return 1; } else if (strcasecmp(s, "false") == 0 || strcasecmp(s, "off") == 0 || strcasecmp(s, "no") == 0 || strcasecmp(s, "n") == 0 || strcasecmp(s, "0") == 0) { *ret = FALSE; return 1; } return -1; } #ifndef NUMCHARS # define NUMCHARS "0123456789." #endif #ifndef WHITESPACE # define WHITESPACE " \t\n\r\f" #endif unsigned long long crm_get_interval(const char *input) { - crm_time_t *interval = NULL; unsigned long long msec = 0; if (input == NULL) { - return 0; + return msec; } else if (input[0] != 'P') { - return crm_get_msec(input); + long long tmp = crm_get_msec(input); + + if(tmp > 0) { + msec = tmp; + } + + } else { + crm_time_t *interval = crm_time_parse_duration(input); + + msec = 1000 * crm_time_get_seconds(interval); + crm_time_free(interval); } - interval = crm_time_parse_duration(input); - msec = crm_time_get_seconds(interval); - crm_time_free(interval); - return msec * 1000; + return msec; } long long crm_get_msec(const char *input) { const char *cp = input; const char *units; long long multiplier = 1000; long long divisor = 1; long long msec = -1; char *end_text = NULL; /* double dret; */ if (input == NULL) { return msec; } cp += strspn(cp, WHITESPACE); units = cp + strspn(cp, NUMCHARS); units += strspn(units, WHITESPACE); if (strchr(NUMCHARS, *cp) == NULL) { return msec; } if (strncasecmp(units, "ms", 2) == 0 || strncasecmp(units, "msec", 4) == 0) { multiplier = 1; divisor = 1; } else if (strncasecmp(units, "us", 2) == 0 || strncasecmp(units, "usec", 4) == 0) { multiplier = 1; divisor = 1000; } else if (strncasecmp(units, "s", 1) == 0 || strncasecmp(units, "sec", 3) == 0) { multiplier = 1000; divisor = 1; } else if (strncasecmp(units, "m", 1) == 0 || strncasecmp(units, "min", 3) == 0) { multiplier = 60 * 1000; divisor = 1; } else if (strncasecmp(units, "h", 1) == 0 || strncasecmp(units, "hr", 2) == 0) { multiplier = 60 * 60 * 1000; divisor = 1; } else if (*units != EOS && *units != '\n' && *units != '\r') { return msec; } msec = crm_int_helper(cp, &end_text); msec *= multiplier; msec /= divisor; /* dret += 0.5; */ /* msec = (long long)dret; */ return msec; } char * generate_op_key(const char *rsc_id, const char *op_type, int interval) { int len = 35; char *op_id = NULL; CRM_CHECK(rsc_id != NULL, return NULL); CRM_CHECK(op_type != NULL, return NULL); len += strlen(op_type); len += strlen(rsc_id); op_id = malloc(len); CRM_CHECK(op_id != NULL, return NULL); sprintf(op_id, "%s_%s_%d", rsc_id, op_type, interval); return op_id; } gboolean parse_op_key(const char *key, char **rsc_id, char **op_type, int *interval) { char *notify = NULL; char *mutable_key = NULL; char *mutable_key_ptr = NULL; int len = 0, offset = 0, ch = 0; CRM_CHECK(key != NULL, return FALSE); *interval = 0; len = strlen(key); offset = len - 1; crm_trace("Source: %s", key); while (offset > 0 && isdigit(key[offset])) { int digits = len - offset; ch = key[offset] - '0'; CRM_CHECK(ch < 10, return FALSE); CRM_CHECK(ch >= 0, return FALSE); while (digits > 1) { digits--; ch = ch * 10; } *interval += ch; offset--; } crm_trace(" Interval: %d", *interval); CRM_CHECK(key[offset] == '_', return FALSE); mutable_key = strdup(key); mutable_key_ptr = mutable_key_ptr; mutable_key[offset] = 0; offset--; while (offset > 0 && key[offset] != '_') { offset--; } CRM_CHECK(key[offset] == '_', free(mutable_key); return FALSE); mutable_key_ptr = mutable_key + offset + 1; crm_trace(" Action: %s", mutable_key_ptr); *op_type = strdup(mutable_key_ptr); mutable_key[offset] = 0; offset--; CRM_CHECK(mutable_key != mutable_key_ptr, free(mutable_key); return FALSE); notify = strstr(mutable_key, "_post_notify"); if (notify && safe_str_eq(notify, "_post_notify")) { notify[0] = 0; } notify = strstr(mutable_key, "_pre_notify"); if (notify && safe_str_eq(notify, "_pre_notify")) { notify[0] = 0; } crm_trace(" Resource: %s", mutable_key); *rsc_id = mutable_key; return TRUE; } char * generate_notify_key(const char *rsc_id, const char *notify_type, const char *op_type) { int len = 12; char *op_id = NULL; CRM_CHECK(rsc_id != NULL, return NULL); CRM_CHECK(op_type != NULL, return NULL); CRM_CHECK(notify_type != NULL, return NULL); len += strlen(op_type); len += strlen(rsc_id); len += strlen(notify_type); if(len > 0) { op_id = malloc(len); } if (op_id != NULL) { sprintf(op_id, "%s_%s_notify_%s_0", rsc_id, notify_type, op_type); } return op_id; } char * generate_transition_magic_v202(const char *transition_key, int op_status) { int len = 80; char *fail_state = NULL; CRM_CHECK(transition_key != NULL, return NULL); len += strlen(transition_key); fail_state = malloc(len); if (fail_state != NULL) { snprintf(fail_state, len, "%d:%s", op_status, transition_key); } return fail_state; } char * generate_transition_magic(const char *transition_key, int op_status, int op_rc) { int len = 80; char *fail_state = NULL; CRM_CHECK(transition_key != NULL, return NULL); len += strlen(transition_key); fail_state = malloc(len); if (fail_state != NULL) { snprintf(fail_state, len, "%d:%d;%s", op_status, op_rc, transition_key); } return fail_state; } gboolean decode_transition_magic(const char *magic, char **uuid, int *transition_id, int *action_id, int *op_status, int *op_rc, int *target_rc) { int res = 0; char *key = NULL; gboolean result = TRUE; CRM_CHECK(magic != NULL, return FALSE); CRM_CHECK(op_rc != NULL, return FALSE); CRM_CHECK(op_status != NULL, return FALSE); key = calloc(1, strlen(magic) + 1); res = sscanf(magic, "%d:%d;%s", op_status, op_rc, key); if (res != 3) { crm_warn("Only found %d items in: '%s'", res, magic); free(key); return FALSE; } CRM_CHECK(decode_transition_key(key, uuid, transition_id, action_id, target_rc), result = FALSE); free(key); return result; } char * generate_transition_key(int transition_id, int action_id, int target_rc, const char *node) { int len = 40; char *fail_state = NULL; CRM_CHECK(node != NULL, return NULL); len += strlen(node); fail_state = malloc(len); if (fail_state != NULL) { snprintf(fail_state, len, "%d:%d:%d:%-*s", action_id, transition_id, target_rc, 36, node); } return fail_state; } gboolean decode_transition_key(const char *key, char **uuid, int *transition_id, int *action_id, int *target_rc) { int res = 0; gboolean done = FALSE; CRM_CHECK(uuid != NULL, return FALSE); CRM_CHECK(target_rc != NULL, return FALSE); CRM_CHECK(action_id != NULL, return FALSE); CRM_CHECK(transition_id != NULL, return FALSE); *uuid = calloc(1, 37); res = sscanf(key, "%d:%d:%d:%36s", action_id, transition_id, target_rc, *uuid); switch (res) { case 4: /* Post Pacemaker 0.6 */ done = TRUE; break; case 3: case 2: /* this can be tricky - the UUID might start with an integer */ /* Until Pacemaker 0.6 */ done = TRUE; *target_rc = -1; res = sscanf(key, "%d:%d:%36s", action_id, transition_id, *uuid); if (res == 2) { *action_id = -1; res = sscanf(key, "%d:%36s", transition_id, *uuid); CRM_CHECK(res == 2, done = FALSE); } else if (res != 3) { CRM_CHECK(res == 3, done = FALSE); } break; case 1: /* Prior to Heartbeat 2.0.8 */ done = TRUE; *action_id = -1; *target_rc = -1; res = sscanf(key, "%d:%36s", transition_id, *uuid); CRM_CHECK(res == 2, done = FALSE); break; default: crm_crit("Unhandled sscanf result (%d) for %s", res, key); } if (strlen(*uuid) != 36) { crm_warn("Bad UUID (%s) in sscanf result (%d) for %s", *uuid, res, key); } if (done == FALSE) { crm_err("Cannot decode '%s' rc=%d", key, res); free(*uuid); *uuid = NULL; *target_rc = -1; *action_id = -1; *transition_id = -1; } return done; } void filter_action_parameters(xmlNode * param_set, const char *version) { char *key = NULL; char *timeout = NULL; char *interval = NULL; const char *attr_filter[] = { XML_ATTR_ID, XML_ATTR_CRM_VERSION, XML_LRM_ATTR_OP_DIGEST, }; gboolean do_delete = FALSE; int lpc = 0; static int meta_len = 0; if (meta_len == 0) { meta_len = strlen(CRM_META); } if (param_set == NULL) { return; } for (lpc = 0; lpc < DIMOF(attr_filter); lpc++) { xml_remove_prop(param_set, attr_filter[lpc]); } key = crm_meta_name(XML_LRM_ATTR_INTERVAL); interval = crm_element_value_copy(param_set, key); free(key); key = crm_meta_name(XML_ATTR_TIMEOUT); timeout = crm_element_value_copy(param_set, key); if (param_set) { xmlAttrPtr xIter = param_set->properties; while (xIter) { const char *prop_name = (const char *)xIter->name; xIter = xIter->next; do_delete = FALSE; if (strncasecmp(prop_name, CRM_META, meta_len) == 0) { do_delete = TRUE; } if (do_delete) { xml_remove_prop(param_set, prop_name); } } } if (crm_get_msec(interval) > 0 && compare_version(version, "1.0.8") > 0) { /* Re-instate the operation's timeout value */ if (timeout != NULL) { crm_xml_add(param_set, key, timeout); } } free(interval); free(timeout); free(key); } void filter_reload_parameters(xmlNode * param_set, const char *restart_string) { int len = 0; char *name = NULL; char *match = NULL; if (param_set == NULL) { return; } if (param_set) { xmlAttrPtr xIter = param_set->properties; while (xIter) { const char *prop_name = (const char *)xIter->name; xIter = xIter->next; name = NULL; len = strlen(prop_name) + 3; name = malloc(len); if(name) { sprintf(name, " %s ", prop_name); name[len - 1] = 0; match = strstr(restart_string, name); } if (match == NULL) { crm_trace("%s not found in %s", prop_name, restart_string); xml_remove_prop(param_set, prop_name); } free(name); } } } extern bool crm_is_daemon; /* coverity[+kill] */ void crm_abort(const char *file, const char *function, int line, const char *assert_condition, gboolean do_core, gboolean do_fork) { int rc = 0; int pid = 0; int status = 0; /* Implied by the parent's error logging below */ /* crm_write_blackbox(0); */ if(crm_is_daemon == FALSE) { /* This is a command line tool - do not fork */ /* crm_add_logfile(NULL); * Record it to a file? */ crm_enable_stderr(TRUE); /* Make sure stderr is enabled so we can tell the caller */ do_fork = FALSE; /* Just crash if needed */ } if (do_core == FALSE) { crm_err("%s: Triggered assert at %s:%d : %s", function, file, line, assert_condition); return; } else if (do_fork) { pid = fork(); } else { crm_err("%s: Triggered fatal assert at %s:%d : %s", function, file, line, assert_condition); } if (pid == -1) { crm_crit("%s: Cannot create core for non-fatal assert at %s:%d : %s", function, file, line, assert_condition); return; } else if(pid == 0) { /* Child process */ abort(); return; } /* Parent process */ crm_err("%s: Forked child %d to record non-fatal assert at %s:%d : %s", function, pid, file, line, assert_condition); crm_write_blackbox(SIGTRAP, NULL); do { rc = waitpid(pid, &status, 0); if(rc == pid) { return; /* Job done */ } } while(errno == EINTR); if (errno == ECHILD) { /* crm_mon does this */ crm_trace("Cannot wait on forked child %d - SIGCHLD is probably set to SIG_IGN", pid); return; } crm_perror(LOG_ERR, "Cannot wait on forked child %d", pid); } char * generate_series_filename(const char *directory, const char *series, int sequence, gboolean bzip) { int len = 40; char *filename = NULL; const char *ext = "raw"; CRM_CHECK(directory != NULL, return NULL); CRM_CHECK(series != NULL, return NULL); #if !HAVE_BZLIB_H bzip = FALSE; #endif len += strlen(directory); len += strlen(series); filename = malloc(len); CRM_CHECK(filename != NULL, return NULL); if (bzip) { ext = "bz2"; } sprintf(filename, "%s/%s-%d.%s", directory, series, sequence, ext); return filename; } int get_last_sequence(const char *directory, const char *series) { FILE *file_strm = NULL; int start = 0, length = 0, read_len = 0; char *series_file = NULL; char *buffer = NULL; int seq = 0; int len = 36; CRM_CHECK(directory != NULL, return 0); CRM_CHECK(series != NULL, return 0); len += strlen(directory); len += strlen(series); series_file = malloc(len); CRM_CHECK(series_file != NULL, return 0); sprintf(series_file, "%s/%s.last", directory, series); file_strm = fopen(series_file, "r"); if (file_strm == NULL) { crm_debug("Series file %s does not exist", series_file); free(series_file); return 0; } /* see how big the file is */ start = ftell(file_strm); fseek(file_strm, 0L, SEEK_END); length = ftell(file_strm); fseek(file_strm, 0L, start); CRM_ASSERT(length >= 0); CRM_ASSERT(start == ftell(file_strm)); if (length <= 0) { crm_info("%s was not valid", series_file); free(buffer); buffer = NULL; } else { crm_trace("Reading %d bytes from file", length); buffer = calloc(1, (length + 1)); read_len = fread(buffer, 1, length, file_strm); if (read_len != length) { crm_err("Calculated and read bytes differ: %d vs. %d", length, read_len); free(buffer); buffer = NULL; } } seq = crm_parse_int(buffer, "0"); fclose(file_strm); crm_trace("Found %d in %s", seq, series_file); free(series_file); free(buffer); return seq; } void write_last_sequence(const char *directory, const char *series, int sequence, int max) { int rc = 0; int len = 36; FILE *file_strm = NULL; char *series_file = NULL; CRM_CHECK(directory != NULL, return); CRM_CHECK(series != NULL, return); if (max == 0) { return; } if (max > 0 && sequence >= max) { sequence = 0; } len += strlen(directory); len += strlen(series); series_file = malloc(len); if(series_file) { sprintf(series_file, "%s/%s.last", directory, series); file_strm = fopen(series_file, "w"); } if (file_strm != NULL) { rc = fprintf(file_strm, "%d", sequence); if (rc < 0) { crm_perror(LOG_ERR, "Cannot write to series file %s", series_file); } } else { crm_err("Cannot open series file %s for writing", series_file); } if (file_strm != NULL) { fflush(file_strm); fclose(file_strm); } crm_trace("Wrote %d to %s", sequence, series_file); free(series_file); } #define LOCKSTRLEN 11 int crm_pid_active(long pid) { if (pid <= 0) { return -1; } else if (kill(pid, 0) < 0 && errno == ESRCH) { return 0; } #ifndef HAVE_PROC_PID return 1; #else { int rc = 0; int running = 0; char proc_path[PATH_MAX], exe_path[PATH_MAX], myexe_path[PATH_MAX]; /* check to make sure pid hasn't been reused by another process */ snprintf(proc_path, sizeof(proc_path), "/proc/%lu/exe", pid); rc = readlink(proc_path, exe_path, PATH_MAX - 1); if (rc < 0) { crm_perror(LOG_ERR, "Could not read from %s", proc_path); goto bail; } exe_path[rc] = 0; snprintf(proc_path, sizeof(proc_path), "/proc/%lu/exe", (long unsigned int)getpid()); rc = readlink(proc_path, myexe_path, PATH_MAX - 1); if (rc < 0) { crm_perror(LOG_ERR, "Could not read from %s", proc_path); goto bail; } myexe_path[rc] = 0; if (strcmp(exe_path, myexe_path) == 0) { running = 1; } } bail: return running; #endif } static int crm_read_pidfile(const char *filename) { int fd; long pid = -1; char buf[LOCKSTRLEN + 1]; if ((fd = open(filename, O_RDONLY)) < 0) { goto bail; } if (read(fd, buf, sizeof(buf)) < 1) { goto bail; } if (sscanf(buf, "%lu", &pid) > 0) { if (pid <= 0) { pid = -ESRCH; } } bail: if (fd >= 0) { close(fd); } return pid; } static int crm_pidfile_inuse(const char *filename, long mypid) { long pid = 0; struct stat sbuf; char buf[LOCKSTRLEN + 1]; int rc = -ENOENT, fd = 0; if ((fd = open(filename, O_RDONLY)) >= 0) { if (fstat(fd, &sbuf) >= 0 && sbuf.st_size < LOCKSTRLEN) { sleep(2); /* if someone was about to create one, * give'm a sec to do so */ } if (read(fd, buf, sizeof(buf)) > 0) { if (sscanf(buf, "%lu", &pid) > 0) { crm_trace("Got pid %lu from %s\n", pid, filename); if (pid <= 1) { /* Invalid pid */ rc = -ENOENT; unlink(filename); } else if (mypid && pid == mypid) { /* In use by us */ rc = pcmk_ok; } else if (crm_pid_active(pid) == FALSE) { /* Contains a stale value */ unlink(filename); rc = -ENOENT; } else if (mypid && pid != mypid) { /* locked by existing process - give up */ rc = -EEXIST; } } } close(fd); } return rc; } static int crm_lock_pidfile(const char *filename) { long mypid = 0; int fd = 0, rc = 0; char buf[LOCKSTRLEN + 1]; mypid = (unsigned long)getpid(); rc = crm_pidfile_inuse(filename, 0); if (rc == -ENOENT) { /* exists but the process is not active */ } else if (rc != pcmk_ok) { /* locked by existing process - give up */ return rc; } if ((fd = open(filename, O_CREAT | O_WRONLY | O_EXCL, 0644)) < 0) { /* Hmmh, why did we fail? Anyway, nothing we can do about it */ return -errno; } snprintf(buf, sizeof(buf), "%*lu\n", LOCKSTRLEN - 1, mypid); rc = write(fd, buf, LOCKSTRLEN); close(fd); if (rc != LOCKSTRLEN) { crm_perror(LOG_ERR, "Incomplete write to %s", filename); return -errno; } return crm_pidfile_inuse(filename, mypid); } void crm_make_daemon(const char *name, gboolean daemonize, const char *pidfile) { int rc; long pid; const char *devnull = "/dev/null"; if (daemonize == FALSE) { return; } /* Check before we even try... */ rc = crm_pidfile_inuse(pidfile, 1); if(rc < pcmk_ok && rc != -ENOENT) { pid = crm_read_pidfile(pidfile); crm_err("%s: already running [pid %ld in %s]", name, pid, pidfile); printf("%s: already running [pid %ld in %s]\n", name, pid, pidfile); crm_exit(rc); } pid = fork(); if (pid < 0) { fprintf(stderr, "%s: could not start daemon\n", name); crm_perror(LOG_ERR, "fork"); crm_exit(EINVAL); } else if (pid > 0) { crm_exit(pcmk_ok); } rc = crm_lock_pidfile(pidfile); if(rc < pcmk_ok) { crm_err("Could not lock '%s' for %s: %s (%d)", pidfile, name, pcmk_strerror(rc), rc); printf("Could not lock '%s' for %s: %s (%d)\n", pidfile, name, pcmk_strerror(rc), rc); crm_exit(rc); } umask(S_IWGRP | S_IWOTH | S_IROTH); close(STDIN_FILENO); (void)open(devnull, O_RDONLY); /* Stdin: fd 0 */ close(STDOUT_FILENO); (void)open(devnull, O_WRONLY); /* Stdout: fd 1 */ close(STDERR_FILENO); (void)open(devnull, O_WRONLY); /* Stderr: fd 2 */ } gboolean crm_is_writable(const char *dir, const char *file, const char *user, const char *group, gboolean need_both) { int s_res = -1; struct stat buf; char *full_file = NULL; const char *target = NULL; gboolean pass = TRUE; gboolean readwritable = FALSE; CRM_ASSERT(dir != NULL); if (file != NULL) { full_file = crm_concat(dir, file, '/'); target = full_file; s_res = stat(full_file, &buf); if (s_res == 0 && S_ISREG(buf.st_mode) == FALSE) { crm_err("%s must be a regular file", target); pass = FALSE; goto out; } } if (s_res != 0) { target = dir; s_res = stat(dir, &buf); if (s_res != 0) { crm_err("%s must exist and be a directory", dir); pass = FALSE; goto out; } else if (S_ISDIR(buf.st_mode) == FALSE) { crm_err("%s must be a directory", dir); pass = FALSE; } } if (user) { struct passwd *sys_user = NULL; sys_user = getpwnam(user); readwritable = (sys_user != NULL && buf.st_uid == sys_user->pw_uid && (buf.st_mode & (S_IRUSR | S_IWUSR))); if (readwritable == FALSE) { crm_err("%s must be owned and r/w by user %s", target, user); if (need_both) { pass = FALSE; } } } if (group) { struct group *sys_grp = getgrnam(group); readwritable = (sys_grp != NULL && buf.st_gid == sys_grp->gr_gid && (buf.st_mode & (S_IRGRP | S_IWGRP))); if (readwritable == FALSE) { if (need_both || user == NULL) { pass = FALSE; crm_err("%s must be owned and r/w by group %s", target, group); } else { crm_warn("%s should be owned and r/w by group %s", target, group); } } } out: free(full_file); return pass; } char * crm_strip_trailing_newline(char *str) { int len; if (str == NULL) { return str; } for (len = strlen(str) - 1; len >= 0 && str[len] == '\n'; len--) { str[len] = '\0'; } return str; } gboolean crm_str_eq(const char *a, const char *b, gboolean use_case) { if (use_case) { return g_strcmp0(a, b) == 0; /* TODO - Figure out which calls, if any, really need to be case independant */ } else if (a == b) { return TRUE; } else if (a == NULL || b == NULL) { /* shouldn't be comparing NULLs */ return FALSE; } else if (strcasecmp(a, b) == 0) { return TRUE; } return FALSE; } char * crm_meta_name(const char *field) { int lpc = 0; int max = 0; char *crm_name = NULL; CRM_CHECK(field != NULL, return NULL); crm_name = crm_concat(CRM_META, field, '_'); /* Massage the names so they can be used as shell variables */ max = strlen(crm_name); for (; lpc < max; lpc++) { switch (crm_name[lpc]) { case '-': crm_name[lpc] = '_'; break; } } return crm_name; } const char * crm_meta_value(GHashTable * hash, const char *field) { char *key = NULL; const char *value = NULL; key = crm_meta_name(field); if (key) { value = g_hash_table_lookup(hash, key); free(key); } return value; } static struct option * crm_create_long_opts(struct crm_option *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 crm_get_option() * and exit with the correct error code */ long_opts = 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++; for (lpc = 0; long_options[lpc].name != NULL; lpc++) { if (long_options[lpc].name[0] == '-') { continue; } long_opts = 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 = 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; } void crm_set_options(const char *short_options, const char *app_usage, struct crm_option *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 = 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 crm_get_option(int argc, char **argv, int *index) { return crm_get_option_long(argc, argv, index, NULL); } int crm_get_option_long(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 = crm_create_long_opts(crm_long_options); } 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"); crm_help('?', 1); break; case '?': crm_help('?', *index ? 0 : 1); break; } return flag; } #endif if (crm_short_options) { return getopt(argc, argv, crm_short_options); } return -1; } void crm_help(char cmd, int exit_code) { int i = 0; FILE *stream = (exit_code ? stderr : stdout); if (cmd == 'v' || cmd == '$') { fprintf(stream, "Pacemaker %s\n", VERSION); fprintf(stream, "Written by Andrew Beekhof\n"); goto out; } if (cmd == '!') { fprintf(stream, "Pacemaker %s (Build: %s): %s\n", 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: if (exit_code >= 0) { crm_exit(exit_code); } } void cib_ipc_servers_init(qb_ipcs_service_t **ipcs_ro, qb_ipcs_service_t **ipcs_rw, qb_ipcs_service_t **ipcs_shm, struct qb_ipcs_service_handlers *ro_cb, struct qb_ipcs_service_handlers *rw_cb) { *ipcs_ro = mainloop_add_ipc_server(cib_channel_ro, QB_IPC_NATIVE, ro_cb); *ipcs_rw = mainloop_add_ipc_server(cib_channel_rw, QB_IPC_NATIVE, rw_cb); *ipcs_shm = mainloop_add_ipc_server(cib_channel_shm, QB_IPC_SHM, rw_cb); if (*ipcs_ro == NULL || *ipcs_rw == NULL || *ipcs_shm == NULL) { crm_err("Failed to create cib servers: exiting and inhibiting respawn."); crm_warn("Verify pacemaker and pacemaker_remote are not both enabled."); crm_exit(DAEMON_RESPAWN_STOP); } } void cib_ipc_servers_destroy(qb_ipcs_service_t *ipcs_ro, qb_ipcs_service_t *ipcs_rw, qb_ipcs_service_t *ipcs_shm) { qb_ipcs_destroy(ipcs_ro); qb_ipcs_destroy(ipcs_rw); qb_ipcs_destroy(ipcs_shm); } qb_ipcs_service_t * crmd_ipc_server_init(struct qb_ipcs_service_handlers *cb) { return mainloop_add_ipc_server(CRM_SYSTEM_CRMD, QB_IPC_NATIVE, cb); } void attrd_ipc_server_init(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb) { *ipcs = mainloop_add_ipc_server(T_ATTRD, QB_IPC_NATIVE, cb); if (*ipcs == NULL) { crm_err("Failed to create attrd servers: exiting and inhibiting respawn."); crm_warn("Verify pacemaker and pacemaker_remote are not both enabled."); crm_exit(DAEMON_RESPAWN_STOP); } } void stonith_ipc_server_init(qb_ipcs_service_t **ipcs, struct qb_ipcs_service_handlers *cb) { *ipcs = mainloop_add_ipc_server("stonith-ng", QB_IPC_NATIVE, cb); if (*ipcs == NULL) { crm_err("Failed to create stonith-ng servers: exiting and inhibiting respawn."); crm_warn("Verify pacemaker and pacemaker_remote are not both enabled."); crm_exit(DAEMON_RESPAWN_STOP); } } int attrd_update_delegate(crm_ipc_t * ipc, char command, const char *host, const char *name, const char *value, const char *section, const char *set, const char *dampen, const char *user_name, gboolean is_remote) { int rc = -ENOTCONN; int max = 5; enum crm_ipc_flags flags = crm_ipc_flags_none; xmlNode *update = create_xml_node(NULL, __FUNCTION__); static gboolean connected = TRUE; static crm_ipc_t *local_ipc = NULL; if (ipc == NULL && local_ipc == NULL) { local_ipc = crm_ipc_new(T_ATTRD, 0); flags |= crm_ipc_client_response; connected = FALSE; } if (ipc == NULL) { ipc = local_ipc; } /* remap common aliases */ if (safe_str_eq(section, "reboot")) { section = XML_CIB_TAG_STATUS; } else if (safe_str_eq(section, "forever")) { section = XML_CIB_TAG_NODES; } crm_xml_add(update, F_TYPE, T_ATTRD); crm_xml_add(update, F_ORIG, crm_system_name); if (name == NULL && command == 'U') { command = 'R'; } switch (command) { case 'D': case 'U': case 'v': crm_xml_add(update, F_ATTRD_TASK, "update"); crm_xml_add(update, F_ATTRD_ATTRIBUTE, name); break; case 'R': crm_xml_add(update, F_ATTRD_TASK, "refresh"); break; case 'q': crm_xml_add(update, F_ATTRD_TASK, "query"); break; case 'C': crm_xml_add(update, F_ATTRD_TASK, "peer-remove"); break; } crm_xml_add(update, F_ATTRD_VALUE, value); crm_xml_add(update, F_ATTRD_DAMPEN, dampen); crm_xml_add(update, F_ATTRD_SECTION, section); crm_xml_add(update, F_ATTRD_HOST, host); crm_xml_add(update, F_ATTRD_SET, set); crm_xml_add_int(update, F_ATTRD_IS_REMOTE, is_remote); #if ENABLE_ACL if (user_name) { crm_xml_add(update, F_ATTRD_USER, user_name); } #endif while (max > 0) { if (connected == FALSE) { crm_info("Connecting to cluster... %d retries remaining", max); connected = crm_ipc_connect(ipc); } if (connected) { rc = crm_ipc_send(ipc, update, flags, 0, NULL); } if (ipc != local_ipc) { break; } else if (rc > 0) { break; } else if (rc == -EAGAIN || rc == -EALREADY) { sleep(5 - max); max--; } else { crm_ipc_close(ipc); connected = FALSE; sleep(5 - max); max--; } } free_xml(update); if (rc > 0) { crm_debug("Sent update: %s=%s for %s", name, value, host ? host : "localhost"); rc = pcmk_ok; } else { crm_debug("Could not send update %s=%s for %s: %s (%d)", name, value, host ? host : "localhost", pcmk_strerror(rc), rc); } return rc; } #define FAKE_TE_ID "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" static void append_digest(lrmd_event_data_t * op, xmlNode * update, const char *version, const char *magic, int level) { /* this will enable us to later determine that the * resource's parameters have changed and we should force * a restart */ char *digest = NULL; xmlNode *args_xml = NULL; if (op->params == NULL) { return; } args_xml = create_xml_node(NULL, XML_TAG_PARAMS); g_hash_table_foreach(op->params, hash2field, args_xml); filter_action_parameters(args_xml, version); digest = calculate_operation_digest(args_xml, version); #if 0 if (level < get_crm_log_level() && op->interval == 0 && crm_str_eq(op->op_type, CRMD_ACTION_START, TRUE)) { char *digest_source = dump_xml_unformatted(args_xml); do_crm_log(level, "Calculated digest %s for %s (%s). Source: %s\n", digest, ID(update), magic, digest_source); free(digest_source); } #endif crm_xml_add(update, XML_LRM_ATTR_OP_DIGEST, digest); free_xml(args_xml); free(digest); } int rsc_op_expected_rc(lrmd_event_data_t * op) { int rc = 0; if (op && op->user_data) { int dummy = 0; char *uuid = NULL; decode_transition_key(op->user_data, &uuid, &dummy, &dummy, &rc); free(uuid); } return rc; } gboolean did_rsc_op_fail(lrmd_event_data_t * op, int target_rc) { switch (op->op_status) { case PCMK_LRM_OP_CANCELLED: case PCMK_LRM_OP_PENDING: return FALSE; break; case PCMK_LRM_OP_NOTSUPPORTED: case PCMK_LRM_OP_TIMEOUT: case PCMK_LRM_OP_ERROR: return TRUE; break; default: if (target_rc != op->rc) { return TRUE; } } return FALSE; } xmlNode * create_operation_update(xmlNode * parent, lrmd_event_data_t * op, const char *caller_version, int target_rc, const char *origin, int level) { char *key = NULL; char *magic = NULL; char *op_id = NULL; char *local_user_data = NULL; xmlNode *xml_op = NULL; const char *task = NULL; gboolean dc_munges_migrate_ops = (compare_version(caller_version, "3.0.3") < 0); gboolean dc_needs_unique_ops = (compare_version(caller_version, "3.0.6") < 0); CRM_CHECK(op != NULL, return NULL); do_crm_log(level, "%s: Updating resource %s after %s op %s (interval=%d)", origin, op->rsc_id, op->op_type, services_lrm_status_str(op->op_status), op->interval); if (op->op_status == PCMK_LRM_OP_CANCELLED) { crm_trace("Ignoring cancelled op"); return NULL; } crm_trace("DC version: %s", caller_version); task = op->op_type; /* remap the task name under various scenarios * this makes life easier for the PE when its trying determin the current state */ if (crm_str_eq(task, "reload", TRUE)) { if (op->op_status == PCMK_LRM_OP_DONE) { task = CRMD_ACTION_START; } else { task = CRMD_ACTION_STATUS; } } else if (dc_munges_migrate_ops && crm_str_eq(task, CRMD_ACTION_MIGRATE, TRUE)) { /* if the migrate_from fails it will have enough info to do the right thing */ if (op->op_status == PCMK_LRM_OP_DONE) { task = CRMD_ACTION_STOP; } else { task = CRMD_ACTION_STATUS; } } else if (dc_munges_migrate_ops && op->op_status == PCMK_LRM_OP_DONE && crm_str_eq(task, CRMD_ACTION_MIGRATED, TRUE)) { task = CRMD_ACTION_START; } key = generate_op_key(op->rsc_id, task, op->interval); if (dc_needs_unique_ops && op->interval > 0) { op_id = strdup(key); } else if (crm_str_eq(task, CRMD_ACTION_NOTIFY, TRUE)) { const char *n_type = crm_meta_value(op->params, "notify_type"); const char *n_task = crm_meta_value(op->params, "notify_operation"); CRM_LOG_ASSERT(n_type != NULL); CRM_LOG_ASSERT(n_task != NULL); op_id = generate_notify_key(op->rsc_id, n_type, n_task); /* these are not yet allowed to fail */ op->op_status = PCMK_LRM_OP_DONE; op->rc = 0; } else if (did_rsc_op_fail(op, target_rc)) { op_id = generate_op_key(op->rsc_id, "last_failure", 0); } else if (op->interval > 0) { op_id = strdup(key); } else { op_id = generate_op_key(op->rsc_id, "last", 0); } xml_op = find_entity(parent, XML_LRM_TAG_RSC_OP, op_id); if (xml_op == NULL) { xml_op = create_xml_node(parent, XML_LRM_TAG_RSC_OP); } if (op->user_data == NULL) { crm_debug("Generating fake transition key for:" " %s_%s_%d %d from %s", op->rsc_id, op->op_type, op->interval, op->call_id, origin); local_user_data = generate_transition_key(-1, op->call_id, target_rc, FAKE_TE_ID); op->user_data = local_user_data; } magic = generate_transition_magic(op->user_data, op->op_status, op->rc); crm_xml_add(xml_op, XML_ATTR_ID, op_id); crm_xml_add(xml_op, XML_LRM_ATTR_TASK_KEY, key); crm_xml_add(xml_op, XML_LRM_ATTR_TASK, task); crm_xml_add(xml_op, XML_ATTR_ORIGIN, origin); crm_xml_add(xml_op, XML_ATTR_CRM_VERSION, caller_version); crm_xml_add(xml_op, XML_ATTR_TRANSITION_KEY, op->user_data); crm_xml_add(xml_op, XML_ATTR_TRANSITION_MAGIC, magic); crm_xml_add_int(xml_op, XML_LRM_ATTR_CALLID, op->call_id); crm_xml_add_int(xml_op, XML_LRM_ATTR_RC, op->rc); crm_xml_add_int(xml_op, XML_LRM_ATTR_OPSTATUS, op->op_status); crm_xml_add_int(xml_op, XML_LRM_ATTR_INTERVAL, op->interval); if (compare_version("2.1", caller_version) <= 0) { if (op->t_run || op->t_rcchange || op->exec_time || op->queue_time) { crm_trace("Timing data (%s_%s_%d): last=%lu change=%lu exec=%lu queue=%lu", op->rsc_id, op->op_type, op->interval, op->t_run, op->t_rcchange, op->exec_time, op->queue_time); if (op->interval == 0) { /* The values are the same for non-recurring ops */ crm_xml_add_int(xml_op, XML_RSC_OP_LAST_RUN, op->t_run); crm_xml_add_int(xml_op, XML_RSC_OP_LAST_CHANGE, op->t_run); } else if(op->t_rcchange) { /* last-run is not accurate for recurring ops */ crm_xml_add_int(xml_op, XML_RSC_OP_LAST_CHANGE, op->t_rcchange); } else { /* ...but is better than nothing otherwise */ crm_xml_add_int(xml_op, XML_RSC_OP_LAST_CHANGE, op->t_run); } crm_xml_add_int(xml_op, XML_RSC_OP_T_EXEC, op->exec_time); crm_xml_add_int(xml_op, XML_RSC_OP_T_QUEUE, op->queue_time); } } if (crm_str_eq(op->op_type, CRMD_ACTION_MIGRATE, TRUE) || crm_str_eq(op->op_type, CRMD_ACTION_MIGRATED, TRUE)) { /* * Record migrate_source and migrate_target always for migrate ops. */ const char *name = XML_LRM_ATTR_MIGRATE_SOURCE; crm_xml_add(xml_op, name, crm_meta_value(op->params, name)); name = XML_LRM_ATTR_MIGRATE_TARGET; crm_xml_add(xml_op, name, crm_meta_value(op->params, name)); } append_digest(op, xml_op, caller_version, magic, LOG_DEBUG); if (local_user_data) { free(local_user_data); op->user_data = NULL; } free(magic); free(op_id); free(key); return xml_op; } #if ENABLE_ACL char * uid2username(uid_t uid) { struct passwd *pwent = getpwuid(uid); if (pwent == NULL) { crm_perror(LOG_ERR, "Cannot get password entry of uid: %d", uid); return NULL; } else { return strdup(pwent->pw_name); } } void determine_request_user(const char *user, xmlNode * request, const char *field) { /* Get our internal validation out of the way first */ CRM_CHECK(user != NULL && request != NULL && field != NULL, return); /* If our peer is a privileged user, we might be doing something on behalf of someone else */ if (is_privileged(user) == FALSE) { /* We're not a privileged user, set or overwrite any existing value for $field */ crm_xml_replace(request, field, user); } else if (crm_element_value(request, field) == NULL) { /* Even if we're privileged, make sure there is always a value set */ crm_xml_replace(request, field, user); /* } else { Legal delegation */ } crm_trace("Processing msg for user '%s'", crm_element_value(request, field)); } #endif /* * This re-implements g_str_hash as it was prior to glib2-2.28: * * http://git.gnome.org/browse/glib/commit/?id=354d655ba8a54b754cb5a3efb42767327775696c * * Note that the new g_str_hash is presumably a *better* hash (it's actually * a correct implementation of DJB's hash), but we need to preserve existing * behaviour, because the hash key ultimately determines the "sort" order * when iterating through GHashTables, which affects allocation of scores to * clone instances when iterating through rsc->allowed_nodes. It (somehow) * also appears to have some minor impact on the ordering of a few * pseudo_event IDs in the transition graph. */ guint g_str_hash_traditional(gconstpointer v) { const signed char *p; guint32 h = 0; for (p = v; *p != '\0'; p++) h = (h << 5) - h + *p; return h; } void * find_library_function(void **handle, const char *lib, const char *fn, gboolean fatal) { char *error; void *a_function; if (*handle == NULL) { *handle = dlopen(lib, RTLD_LAZY); } if (!(*handle)) { crm_err("%sCould not open %s: %s", fatal ? "Fatal: " : "", lib, dlerror()); if (fatal) { crm_exit(DAEMON_RESPAWN_STOP); } return NULL; } a_function = dlsym(*handle, fn); if ((error = dlerror()) != NULL) { crm_err("%sCould not find %s in %s: %s", fatal ? "Fatal: " : "", fn, lib, error); if (fatal) { crm_exit(DAEMON_RESPAWN_STOP); } } return a_function; } char * add_list_element(char *list, const char *value) { int len = 0; int last = 0; if (value == NULL) { return list; } if (list) { last = strlen(list); } len = last + 2; /* +1 space, +1 EOS */ len += strlen(value); list = realloc(list, len); sprintf(list + last, " %s", value); return list; } void * convert_const_pointer(const void *ptr) { /* Worst function ever */ return (void *)ptr; } #ifdef HAVE_UUID_UUID_H # include #endif char * crm_generate_uuid(void) { unsigned char uuid[16]; char *buffer = malloc(37); /* Including NUL byte */ uuid_generate(uuid); uuid_unparse(uuid, buffer); return buffer; } #include char * crm_md5sum(const char *buffer) { int lpc = 0, len = 0; char *digest = NULL; unsigned char raw_digest[MD5_DIGEST_SIZE]; if(buffer != NULL) { len = strlen(buffer); } crm_trace("Beginning digest of %d bytes", len); digest = malloc(2 * MD5_DIGEST_SIZE + 1); if(digest) { md5_buffer(buffer, len, raw_digest); for (lpc = 0; lpc < MD5_DIGEST_SIZE; lpc++) { sprintf(digest + (2 * lpc), "%02x", raw_digest[lpc]); } digest[(2 * MD5_DIGEST_SIZE)] = 0; crm_trace("Digest %s.", digest); } else { crm_err("Could not create digest"); } return digest; } #include #include bool crm_compress_string(const char *data, int length, int max, char **result, unsigned int *result_len) { int rc; char *compressed = NULL; char *uncompressed = strdup(data); struct timespec after_t; struct timespec before_t; if(max == 0) { max = (length * 1.1) + 600; /* recomended size */ } #ifdef CLOCK_MONOTONIC clock_gettime(CLOCK_MONOTONIC, &before_t); #endif /* coverity[returned_null] Ignore */ compressed = malloc(max); *result_len = max; rc = BZ2_bzBuffToBuffCompress(compressed, result_len, uncompressed, length, CRM_BZ2_BLOCKS, 0, CRM_BZ2_WORK); free(uncompressed); if (rc != BZ_OK) { crm_err("Compression of %d bytes failed: %s (%d)", length, bz2_strerror(rc), rc); free(compressed); return FALSE; } #ifdef CLOCK_MONOTONIC clock_gettime(CLOCK_MONOTONIC, &after_t); crm_info("Compressed %d bytes into %d (ratio %d:1) in %dms", length, *result_len, length / (*result_len), (after_t.tv_sec - before_t.tv_sec) * 1000 + (after_t.tv_nsec - before_t.tv_nsec) / 1000000); #else crm_info("Compressed %d bytes into %d (ratio %d:1)", length, *result_len, length / (*result_len)); #endif *result = compressed; return TRUE; } diff --git a/lib/pengine/utils.c b/lib/pengine/utils.c index 5d7ac23bfb..de00c20566 100644 --- a/lib/pengine/utils.c +++ b/lib/pengine/utils.c @@ -1,1840 +1,1836 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include pe_working_set_t *pe_dataset = NULL; extern xmlNode *get_object_root(const char *object_type, xmlNode * the_root); void print_str_str(gpointer key, gpointer value, gpointer user_data); gboolean ghash_free_str_str(gpointer key, gpointer value, gpointer user_data); void unpack_operation(action_t * action, xmlNode * xml_obj, resource_t * container, pe_working_set_t * data_set); static xmlNode *find_rsc_op_entry_helper(resource_t * rsc, const char *key, gboolean include_disabled); bool pe_can_fence(pe_working_set_t * data_set, node_t *node) { if(is_not_set(data_set->flags, pe_flag_stonith_enabled)) { return FALSE; /* Turned off */ } else if (is_not_set(data_set->flags, pe_flag_have_stonith_resource)) { return FALSE; /* No devices */ } else if (is_set(data_set->flags, pe_flag_have_quorum)) { return TRUE; } else if (data_set->no_quorum_policy == no_quorum_ignore) { return TRUE; } else if(node == NULL) { return FALSE; } else if(node->details->online) { crm_notice("We can fence %s without quorum because they're in our membership", node->details->uname); return TRUE; } crm_trace("Cannot fence %s", node->details->uname); return FALSE; } node_t * node_copy(node_t * this_node) { node_t *new_node = NULL; CRM_CHECK(this_node != NULL, return NULL); new_node = calloc(1, sizeof(node_t)); CRM_ASSERT(new_node != NULL); crm_trace("Copying %p (%s) to %p", this_node, this_node->details->uname, new_node); new_node->weight = this_node->weight; new_node->fixed = this_node->fixed; new_node->details = this_node->details; return new_node; } /* any node in list1 or list2 and not in the other gets a score of -INFINITY */ void node_list_exclude(GHashTable * hash, GListPtr list, gboolean merge_scores) { GHashTable *result = hash; node_t *other_node = NULL; GListPtr gIter = list; GHashTableIter iter; node_t *node = NULL; g_hash_table_iter_init(&iter, hash); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { other_node = pe_find_node_id(list, node->details->id); if (other_node == NULL) { node->weight = -INFINITY; } else if (merge_scores) { node->weight = merge_weights(node->weight, other_node->weight); } } for (; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; other_node = pe_hash_table_lookup(result, node->details->id); if (other_node == NULL) { node_t *new_node = node_copy(node); new_node->weight = -INFINITY; g_hash_table_insert(result, (gpointer) new_node->details->id, new_node); } } } GHashTable * node_hash_from_list(GListPtr list) { GListPtr gIter = list; GHashTable *result = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, g_hash_destroy_str); for (; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; node_t *n = node_copy(node); g_hash_table_insert(result, (gpointer) n->details->id, n); } return result; } GListPtr node_list_dup(GListPtr list1, gboolean reset, gboolean filter) { GListPtr result = NULL; GListPtr gIter = list1; for (; gIter != NULL; gIter = gIter->next) { node_t *new_node = NULL; node_t *this_node = (node_t *) gIter->data; if (filter && this_node->weight < 0) { continue; } new_node = node_copy(this_node); if (reset) { new_node->weight = 0; } if (new_node != NULL) { result = g_list_prepend(result, new_node); } } return result; } gint sort_node_uname(gconstpointer a, gconstpointer b) { const node_t *node_a = a; const node_t *node_b = b; return strcmp(node_a->details->uname, node_b->details->uname); } void dump_node_scores_worker(int level, const char *file, const char *function, int line, resource_t * rsc, const char *comment, GHashTable * nodes) { GHashTable *hash = nodes; GHashTableIter iter; node_t *node = NULL; if (rsc) { hash = rsc->allowed_nodes; } if (rsc && is_set(rsc->flags, pe_rsc_orphan)) { /* Don't show the allocation scores for orphans */ return; } if (level == 0) { /* For now we want this in sorted order to keep the regression tests happy */ GListPtr gIter = NULL; GListPtr list = g_hash_table_get_values(hash); list = g_list_sort(list, sort_node_uname); gIter = list; for (; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; char *score = score2char(node->weight); if (rsc) { printf("%s: %s allocation score on %s: %s\n", comment, rsc->id, node->details->uname, score); } else { printf("%s: %s = %s\n", comment, node->details->uname, score); } free(score); } g_list_free(list); } else if (hash) { g_hash_table_iter_init(&iter, hash); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { char *score = score2char(node->weight); if (rsc) { do_crm_log_alias(LOG_TRACE, file, function, line, "%s: %s allocation score on %s: %s", comment, rsc->id, node->details->uname, score); } else { do_crm_log_alias(LOG_TRACE, file, function, line + 1, "%s: %s = %s", comment, node->details->uname, score); } free(score); } } if (rsc && rsc->children) { GListPtr gIter = NULL; gIter = rsc->children; for (; gIter != NULL; gIter = gIter->next) { resource_t *child = (resource_t *) gIter->data; dump_node_scores_worker(level, file, function, line, child, comment, nodes); } } } static void append_dump_text(gpointer key, gpointer value, gpointer user_data) { char **dump_text = user_data; int len = 0; char *new_text = NULL; len = strlen(*dump_text) + strlen(" ") + strlen(key) + strlen("=") + strlen(value) + 1; new_text = calloc(1, len); sprintf(new_text, "%s %s=%s", *dump_text, (char *)key, (char *)value); free(*dump_text); *dump_text = new_text; } void dump_node_capacity(int level, const char *comment, node_t * node) { int len = 0; char *dump_text = NULL; len = strlen(comment) + strlen(": ") + strlen(node->details->uname) + strlen(" capacity:") + 1; dump_text = calloc(1, len); sprintf(dump_text, "%s: %s capacity:", comment, node->details->uname); g_hash_table_foreach(node->details->utilization, append_dump_text, &dump_text); if (level == 0) { fprintf(stdout, "%s\n", dump_text); } else { crm_trace("%s", dump_text); } free(dump_text); } void dump_rsc_utilization(int level, const char *comment, resource_t * rsc, node_t * node) { int len = 0; char *dump_text = NULL; len = strlen(comment) + strlen(": ") + strlen(rsc->id) + strlen(" utilization on ") + strlen(node->details->uname) + strlen(":") + 1; dump_text = calloc(1, len); sprintf(dump_text, "%s: %s utilization on %s:", comment, rsc->id, node->details->uname); g_hash_table_foreach(rsc->utilization, append_dump_text, &dump_text); if (level == 0) { fprintf(stdout, "%s\n", dump_text); } else { crm_trace("%s", dump_text); } free(dump_text); } gint sort_rsc_index(gconstpointer a, gconstpointer b) { const resource_t *resource1 = (const resource_t *)a; const resource_t *resource2 = (const resource_t *)b; if (a == NULL && b == NULL) { return 0; } if (a == NULL) { return 1; } if (b == NULL) { return -1; } if (resource1->sort_index > resource2->sort_index) { return -1; } if (resource1->sort_index < resource2->sort_index) { return 1; } return 0; } gint sort_rsc_priority(gconstpointer a, gconstpointer b) { const resource_t *resource1 = (const resource_t *)a; const resource_t *resource2 = (const resource_t *)b; if (a == NULL && b == NULL) { return 0; } if (a == NULL) { return 1; } if (b == NULL) { return -1; } if (resource1->priority > resource2->priority) { return -1; } if (resource1->priority < resource2->priority) { return 1; } return 0; } action_t * custom_action(resource_t * rsc, char *key, const char *task, node_t * on_node, gboolean optional, gboolean save_action, pe_working_set_t * data_set) { action_t *action = NULL; GListPtr possible_matches = NULL; CRM_CHECK(key != NULL, return NULL); CRM_CHECK(task != NULL, return NULL); if (save_action && rsc != NULL) { possible_matches = find_actions(rsc->actions, key, on_node); } if (possible_matches != NULL) { if (g_list_length(possible_matches) > 1) { pe_warn("Action %s for %s on %s exists %d times", task, rsc ? rsc->id : "", on_node ? on_node->details->uname : "", g_list_length(possible_matches)); } action = g_list_nth_data(possible_matches, 0); pe_rsc_trace(rsc, "Found existing action (%d) %s for %s on %s", action->id, task, rsc ? rsc->id : "", on_node ? on_node->details->uname : ""); g_list_free(possible_matches); } if (action == NULL) { if (save_action) { pe_rsc_trace(rsc, "Creating%s action %d: %s for %s on %s", optional ? "" : " manditory", data_set->action_id, key, rsc ? rsc->id : "", on_node ? on_node->details->uname : ""); } action = calloc(1, sizeof(action_t)); if (save_action) { action->id = data_set->action_id++; } else { action->id = 0; } action->rsc = rsc; CRM_ASSERT(task != NULL); action->task = strdup(task); if (on_node) { action->node = node_copy(on_node); } action->uuid = strdup(key); pe_set_action_bit(action, pe_action_failure_is_fatal); pe_set_action_bit(action, pe_action_runnable); if (optional) { pe_set_action_bit(action, pe_action_optional); } else { pe_clear_action_bit(action, pe_action_optional); } /* Implied by calloc()... action->actions_before = NULL; action->actions_after = NULL; action->pseudo = FALSE; action->dumped = FALSE; action->processed = FALSE; action->seen_count = 0; */ action->extra = g_hash_table_new_full(crm_str_hash, g_str_equal, free, free); action->meta = g_hash_table_new_full(crm_str_hash, g_str_equal, free, free); if (save_action) { data_set->actions = g_list_prepend(data_set->actions, action); } if (rsc != NULL) { action->op_entry = find_rsc_op_entry_helper(rsc, key, TRUE); unpack_operation(action, action->op_entry, rsc->container, data_set); if (save_action) { rsc->actions = g_list_prepend(rsc->actions, action); } } if (save_action) { pe_rsc_trace(rsc, "Action %d created", action->id); } } if (optional == FALSE) { pe_rsc_trace(rsc, "Action %d (%s) marked manditory", action->id, action->uuid); pe_clear_action_bit(action, pe_action_optional); } if (rsc != NULL) { enum action_tasks a_task = text2task(action->task); int warn_level = LOG_TRACE; if (save_action) { warn_level = LOG_WARNING; } if (is_set(action->flags, pe_action_have_node_attrs) == FALSE && action->node != NULL && action->op_entry != NULL) { pe_set_action_bit(action, pe_action_have_node_attrs); unpack_instance_attributes(data_set->input, action->op_entry, XML_TAG_ATTR_SETS, action->node->details->attrs, action->extra, NULL, FALSE, data_set->now); } if (is_set(action->flags, pe_action_pseudo)) { /* leave untouched */ } else if (action->node == NULL) { pe_clear_action_bit(action, pe_action_runnable); } else if (is_not_set(rsc->flags, pe_rsc_managed) && g_hash_table_lookup(action->meta, XML_LRM_ATTR_INTERVAL) == NULL) { crm_debug("Action %s (unmanaged)", action->uuid); pe_set_action_bit(action, pe_action_optional); /* action->runnable = FALSE; */ } else if (action->node->details->online == FALSE) { pe_clear_action_bit(action, pe_action_runnable); do_crm_log(warn_level, "Action %s on %s is unrunnable (offline)", action->uuid, action->node->details->uname); if (is_set(action->rsc->flags, pe_rsc_managed) && action->node->details->unclean == FALSE && save_action && a_task == stop_rsc) { do_crm_log(warn_level, "Marking node %s unclean", action->node->details->uname); action->node->details->unclean = TRUE; } } else if (action->node->details->pending) { pe_clear_action_bit(action, pe_action_runnable); do_crm_log(warn_level, "Action %s on %s is unrunnable (pending)", action->uuid, action->node->details->uname); } else if (action->needs == rsc_req_nothing) { pe_rsc_trace(rsc, "Action %s doesnt require anything", action->uuid); pe_set_action_bit(action, pe_action_runnable); #if 0 /* * No point checking this * - if we dont have quorum we cant stonith anyway */ } else if (action->needs == rsc_req_stonith) { crm_trace("Action %s requires only stonith", action->uuid); action->runnable = TRUE; #endif } else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE && data_set->no_quorum_policy == no_quorum_stop) { pe_clear_action_bit(action, pe_action_runnable); crm_debug("%s\t%s (cancelled : quorum)", action->node->details->uname, action->uuid); } else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE && data_set->no_quorum_policy == no_quorum_freeze) { pe_rsc_trace(rsc, "Check resource is already active"); if (rsc->fns->active(rsc, TRUE) == FALSE) { pe_clear_action_bit(action, pe_action_runnable); pe_rsc_debug(rsc, "%s\t%s (cancelled : quorum freeze)", action->node->details->uname, action->uuid); } } else { pe_rsc_trace(rsc, "Action %s is runnable", action->uuid); pe_set_action_bit(action, pe_action_runnable); } if (save_action) { switch (a_task) { case stop_rsc: set_bit(rsc->flags, pe_rsc_stopping); break; case start_rsc: clear_bit(rsc->flags, pe_rsc_starting); if (is_set(action->flags, pe_action_runnable)) { set_bit(rsc->flags, pe_rsc_starting); } break; default: break; } } } free(key); return action; } static const char * unpack_operation_on_fail(action_t * action) { const char *value = g_hash_table_lookup(action->meta, XML_OP_ATTR_ON_FAIL); if (safe_str_eq(action->task, CRMD_ACTION_STOP) && safe_str_eq(value, "standby")) { crm_config_err("on-fail=standby is not allowed for stop actions: %s", action->rsc->id); return NULL; } else if (safe_str_eq(action->task, CRMD_ACTION_DEMOTE) && !value) { /* demote on_fail defaults to master monitor value if present */ xmlNode *operation = NULL; const char *name = NULL; const char *role = NULL; const char *on_fail = NULL; const char *interval = NULL; const char *enabled = NULL; CRM_CHECK(action->rsc != NULL, return NULL); for (operation = __xml_first_child(action->rsc->ops_xml); operation && !value; operation = __xml_next(operation)) { if (!crm_str_eq((const char *)operation->name, "op", TRUE)) { continue; } name = crm_element_value(operation, "name"); role = crm_element_value(operation, "role"); on_fail = crm_element_value(operation, XML_OP_ATTR_ON_FAIL); enabled = crm_element_value(operation, "enabled"); interval = crm_element_value(operation, XML_LRM_ATTR_INTERVAL); if (!on_fail) { continue; } else if (enabled && !crm_is_true(enabled)) { continue; } else if (safe_str_neq(name, "monitor") || safe_str_neq(role, "Master")) { continue; } else if (crm_get_interval(interval) <= 0) { continue; } value = on_fail; } } return value; } static xmlNode * find_min_interval_mon(resource_t * rsc, gboolean include_disabled) { int number = 0; int min_interval = -1; const char *name = NULL; const char *value = NULL; const char *interval = NULL; xmlNode *op = NULL; xmlNode *operation = NULL; for (operation = __xml_first_child(rsc->ops_xml); operation != NULL; operation = __xml_next(operation)) { if (crm_str_eq((const char *)operation->name, "op", TRUE)) { name = crm_element_value(operation, "name"); interval = crm_element_value(operation, XML_LRM_ATTR_INTERVAL); value = crm_element_value(operation, "enabled"); if (!include_disabled && value && crm_is_true(value) == FALSE) { continue; } if (safe_str_neq(name, RSC_STATUS)) { continue; } number = crm_get_interval(interval); if (number < 0) { continue; } if (min_interval < 0 || number < min_interval) { min_interval = number; op = operation; } } } return op; } void unpack_operation(action_t * action, xmlNode * xml_obj, resource_t * container, pe_working_set_t * data_set) { int value_i = 0; unsigned long long interval = 0; unsigned long long start_delay = 0; char *value_ms = NULL; const char *value = NULL; const char *field = NULL; CRM_CHECK(action->rsc != NULL, return); unpack_instance_attributes(data_set->input, data_set->op_defaults, XML_TAG_META_SETS, NULL, action->meta, NULL, FALSE, data_set->now); if (xml_obj) { xmlAttrPtr xIter = NULL; for (xIter = xml_obj->properties; xIter; xIter = xIter->next) { const char *prop_name = (const char *)xIter->name; const char *prop_value = crm_element_value(xml_obj, prop_name); g_hash_table_replace(action->meta, strdup(prop_name), strdup(prop_value)); } } unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_META_SETS, NULL, action->meta, NULL, FALSE, data_set->now); unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_ATTR_SETS, NULL, action->meta, NULL, FALSE, data_set->now); g_hash_table_remove(action->meta, "id"); /* Begin compatability code */ value = g_hash_table_lookup(action->meta, "requires"); if (safe_str_neq(action->task, RSC_START) && safe_str_neq(action->task, RSC_PROMOTE)) { action->needs = rsc_req_nothing; value = "nothing (not start/promote)"; } else if (safe_str_eq(value, "nothing")) { action->needs = rsc_req_nothing; } else if (safe_str_eq(value, "quorum")) { action->needs = rsc_req_quorum; } else if (safe_str_eq(value, "unfencing")) { action->needs = rsc_req_stonith; set_bit(action->rsc->flags, pe_rsc_needs_unfencing); if (is_set(data_set->flags, pe_flag_stonith_enabled)) { crm_notice("%s requires (un)fencing but fencing is disabled", action->rsc->id); } } else if (is_set(data_set->flags, pe_flag_stonith_enabled) && safe_str_eq(value, "fencing")) { action->needs = rsc_req_stonith; if (is_set(data_set->flags, pe_flag_stonith_enabled)) { crm_notice("%s requires fencing but fencing is disabled", action->rsc->id); } /* End compatability code */ } else if (is_set(action->rsc->flags, pe_rsc_needs_fencing)) { action->needs = rsc_req_stonith; value = "fencing (resource)"; } else if (is_set(action->rsc->flags, pe_rsc_needs_quorum)) { action->needs = rsc_req_quorum; value = "quorum (resource)"; } else { action->needs = rsc_req_nothing; value = "nothing (resource)"; } pe_rsc_trace(action->rsc, "\tAction %s requires: %s", action->task, value); value = unpack_operation_on_fail(action); if (value == NULL) { } else if (safe_str_eq(value, "block")) { action->on_fail = action_fail_block; } else if (safe_str_eq(value, "fence")) { action->on_fail = action_fail_fence; value = "node fencing"; if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) { crm_config_err("Specifying on_fail=fence and" " stonith-enabled=false makes no sense"); action->on_fail = action_fail_stop; action->fail_role = RSC_ROLE_STOPPED; value = "stop resource"; } } else if (safe_str_eq(value, "standby")) { action->on_fail = action_fail_standby; value = "node standby"; } else if (safe_str_eq(value, "ignore") || safe_str_eq(value, "nothing")) { action->on_fail = action_fail_ignore; value = "ignore"; } else if (safe_str_eq(value, "migrate")) { action->on_fail = action_fail_migrate; value = "force migration"; } else if (safe_str_eq(value, "stop")) { action->on_fail = action_fail_stop; action->fail_role = RSC_ROLE_STOPPED; value = "stop resource"; } else if (safe_str_eq(value, "restart")) { action->on_fail = action_fail_recover; value = "restart (and possibly migrate)"; } else if (safe_str_eq(value, "restart-container")) { if (container) { action->on_fail = action_fail_restart_container; value = "restart container (and possibly migrate)"; } else { value = NULL; } } else { pe_err("Resource %s: Unknown failure type (%s)", action->rsc->id, value); value = NULL; } /* defaults */ if (value == NULL && container) { action->on_fail = action_fail_restart_container; value = "restart container (and possibly migrate) (default)"; } else if (value == NULL && safe_str_eq(action->task, CRMD_ACTION_STOP)) { if (is_set(data_set->flags, pe_flag_stonith_enabled)) { action->on_fail = action_fail_fence; value = "resource fence (default)"; } else { action->on_fail = action_fail_block; value = "resource block (default)"; } } else if (value == NULL) { action->on_fail = action_fail_recover; value = "restart (and possibly migrate) (default)"; } pe_rsc_trace(action->rsc, "\t%s failure handling: %s", action->task, value); value = NULL; if (xml_obj != NULL) { value = g_hash_table_lookup(action->meta, "role_after_failure"); } if (value != NULL && action->fail_role == RSC_ROLE_UNKNOWN) { action->fail_role = text2role(value); } /* defaults */ if (action->fail_role == RSC_ROLE_UNKNOWN) { if (safe_str_eq(action->task, CRMD_ACTION_PROMOTE)) { action->fail_role = RSC_ROLE_SLAVE; } else { action->fail_role = RSC_ROLE_STARTED; } } pe_rsc_trace(action->rsc, "\t%s failure results in: %s", action->task, role2text(action->fail_role)); field = XML_LRM_ATTR_INTERVAL; value = g_hash_table_lookup(action->meta, field); if (value != NULL) { interval = crm_get_interval(value); if (interval > 0) { value_ms = crm_itoa(interval); g_hash_table_replace(action->meta, strdup(field), value_ms); } else { g_hash_table_remove(action->meta, field); } } field = XML_OP_ATTR_START_DELAY; value = g_hash_table_lookup(action->meta, field); if (value != NULL) { value_i = crm_get_msec(value); if (value_i < 0) { value_i = 0; } start_delay = value_i; value_ms = crm_itoa(value_i); g_hash_table_replace(action->meta, strdup(field), value_ms); } else if (interval > 0 && g_hash_table_lookup(action->meta, XML_OP_ATTR_ORIGIN)) { crm_time_t *origin = NULL; value = g_hash_table_lookup(action->meta, XML_OP_ATTR_ORIGIN); origin = crm_time_new(value); if (origin == NULL) { crm_config_err("Operation %s contained an invalid " XML_OP_ATTR_ORIGIN ": %s", ID(xml_obj), value); } else { crm_time_t *delay = NULL; int rc = crm_time_compare(origin, data_set->now); unsigned long long delay_s = 0; while (rc < 0) { crm_time_add_seconds(origin, interval / 1000); rc = crm_time_compare(origin, data_set->now); } delay = crm_time_subtract(origin, data_set->now); delay_s = crm_time_get_seconds(delay); start_delay = delay_s * 1000; crm_info("Calculated a start delay of %llus for %s", delay_s, ID(xml_obj)); g_hash_table_replace(action->meta, strdup(XML_OP_ATTR_START_DELAY), crm_itoa(start_delay)); crm_time_free(origin); crm_time_free(delay); } } field = XML_ATTR_TIMEOUT; value = g_hash_table_lookup(action->meta, field); if (value == NULL && xml_obj == NULL && safe_str_eq(action->task, RSC_STATUS) && interval == 0) { xmlNode *min_interval_mon = find_min_interval_mon(action->rsc, FALSE); if (min_interval_mon) { value = crm_element_value(min_interval_mon, XML_ATTR_TIMEOUT); pe_rsc_trace(action->rsc, "\t%s uses the timeout value '%s' from the minimum interval monitor", action->uuid, value); } } if (value == NULL) { value = pe_pref(data_set->config_hash, "default-action-timeout"); } value_i = crm_get_msec(value); if (value_i < 0) { value_i = 0; } value_i += start_delay; value_ms = crm_itoa(value_i); g_hash_table_replace(action->meta, strdup(field), value_ms); } static xmlNode * find_rsc_op_entry_helper(resource_t * rsc, const char *key, gboolean include_disabled) { unsigned long long number = 0; gboolean do_retry = TRUE; char *local_key = NULL; const char *name = NULL; const char *value = NULL; const char *interval = NULL; char *match_key = NULL; xmlNode *op = NULL; xmlNode *operation = NULL; retry: for (operation = __xml_first_child(rsc->ops_xml); operation != NULL; operation = __xml_next(operation)) { if (crm_str_eq((const char *)operation->name, "op", TRUE)) { name = crm_element_value(operation, "name"); interval = crm_element_value(operation, XML_LRM_ATTR_INTERVAL); value = crm_element_value(operation, "enabled"); if (!include_disabled && value && crm_is_true(value) == FALSE) { continue; } number = crm_get_interval(interval); - if (number < 0) { - continue; - } - match_key = generate_op_key(rsc->id, name, number); if (safe_str_eq(key, match_key)) { op = operation; } free(match_key); if (rsc->clone_name) { match_key = generate_op_key(rsc->clone_name, name, number); if (safe_str_eq(key, match_key)) { op = operation; } free(match_key); } if (op != NULL) { free(local_key); return op; } } } free(local_key); if (do_retry == FALSE) { return NULL; } do_retry = FALSE; if (strstr(key, CRMD_ACTION_MIGRATE) || strstr(key, CRMD_ACTION_MIGRATED)) { local_key = generate_op_key(rsc->id, "migrate", 0); key = local_key; goto retry; } else if (strstr(key, "_notify_")) { local_key = generate_op_key(rsc->id, "notify", 0); key = local_key; goto retry; } return NULL; } xmlNode * find_rsc_op_entry(resource_t * rsc, const char *key) { return find_rsc_op_entry_helper(rsc, key, FALSE); } void print_node(const char *pre_text, node_t * node, gboolean details) { if (node == NULL) { crm_trace("%s%s: ", pre_text == NULL ? "" : pre_text, pre_text == NULL ? "" : ": "); return; } crm_trace("%s%s%sNode %s: (weight=%d, fixed=%s)", pre_text == NULL ? "" : pre_text, pre_text == NULL ? "" : ": ", node->details == NULL ? "error " : node->details->online ? "" : "Unavailable/Unclean ", node->details->uname, node->weight, node->fixed ? "True" : "False"); if (details && node != NULL && node->details != NULL) { char *pe_mutable = strdup("\t\t"); GListPtr gIter = node->details->running_rsc; crm_trace("\t\t===Node Attributes"); g_hash_table_foreach(node->details->attrs, print_str_str, pe_mutable); free(pe_mutable); crm_trace("\t\t=== Resources"); for (; gIter != NULL; gIter = gIter->next) { resource_t *rsc = (resource_t *) gIter->data; print_resource(LOG_DEBUG_4, "\t\t", rsc, FALSE); } } } /* * Used by the HashTable for-loop */ void print_str_str(gpointer key, gpointer value, gpointer user_data) { crm_trace("%s%s %s ==> %s", user_data == NULL ? "" : (char *)user_data, user_data == NULL ? "" : ": ", (char *)key, (char *)value); } void print_resource(int log_level, const char *pre_text, resource_t * rsc, gboolean details) { long options = pe_print_log; if (rsc == NULL) { do_crm_log(log_level - 1, "%s%s: ", pre_text == NULL ? "" : pre_text, pre_text == NULL ? "" : ": "); return; } if (details) { options |= pe_print_details; } rsc->fns->print(rsc, pre_text, options, &log_level); } void pe_free_action(action_t * action) { if (action == NULL) { return; } g_list_free_full(action->actions_before, free); /* action_warpper_t* */ g_list_free_full(action->actions_after, free); /* action_warpper_t* */ if (action->extra) { g_hash_table_destroy(action->extra); } if (action->meta) { g_hash_table_destroy(action->meta); } free(action->task); free(action->uuid); free(action->node); free(action); } GListPtr find_recurring_actions(GListPtr input, node_t * not_on_node) { const char *value = NULL; GListPtr result = NULL; GListPtr gIter = input; CRM_CHECK(input != NULL, return NULL); for (; gIter != NULL; gIter = gIter->next) { action_t *action = (action_t *) gIter->data; value = g_hash_table_lookup(action->meta, XML_LRM_ATTR_INTERVAL); if (value == NULL) { /* skip */ } else if (safe_str_eq(value, "0")) { /* skip */ } else if (safe_str_eq(CRMD_ACTION_CANCEL, action->task)) { /* skip */ } else if (not_on_node == NULL) { crm_trace("(null) Found: %s", action->uuid); result = g_list_prepend(result, action); } else if (action->node == NULL) { /* skip */ } else if (action->node->details != not_on_node->details) { crm_trace("Found: %s", action->uuid); result = g_list_prepend(result, action); } } return result; } enum action_tasks get_complex_task(resource_t * rsc, const char *name, gboolean allow_non_atomic) { enum action_tasks task = text2task(name); if (rsc == NULL) { return task; } else if (allow_non_atomic == FALSE || rsc->variant == pe_native) { switch (task) { case stopped_rsc: case started_rsc: case action_demoted: case action_promoted: crm_trace("Folding %s back into its atomic counterpart for %s", name, rsc->id); return task - 1; break; default: break; } } return task; } action_t * find_first_action(GListPtr input, const char *uuid, const char *task, node_t * on_node) { GListPtr gIter = NULL; CRM_CHECK(uuid || task, return NULL); for (gIter = input; gIter != NULL; gIter = gIter->next) { action_t *action = (action_t *) gIter->data; if (uuid != NULL && safe_str_neq(uuid, action->uuid)) { continue; } else if (task != NULL && safe_str_neq(task, action->task)) { continue; } else if (on_node == NULL) { return action; } else if (action->node == NULL) { continue; } else if (on_node->details == action->node->details) { return action; } } return NULL; } GListPtr find_actions(GListPtr input, const char *key, node_t * on_node) { GListPtr gIter = input; GListPtr result = NULL; CRM_CHECK(key != NULL, return NULL); for (; gIter != NULL; gIter = gIter->next) { action_t *action = (action_t *) gIter->data; crm_trace("Matching %s against %s", key, action->uuid); if (safe_str_neq(key, action->uuid)) { continue; } else if (on_node == NULL) { result = g_list_prepend(result, action); } else if (action->node == NULL) { /* skip */ crm_trace("While looking for %s action on %s, " "found an unallocated one. Assigning" " it to the requested node...", key, on_node->details->uname); action->node = node_copy(on_node); result = g_list_prepend(result, action); } else if (on_node->details == action->node->details) { result = g_list_prepend(result, action); } } return result; } GListPtr find_actions_exact(GListPtr input, const char *key, node_t * on_node) { GListPtr gIter = input; GListPtr result = NULL; CRM_CHECK(key != NULL, return NULL); for (; gIter != NULL; gIter = gIter->next) { action_t *action = (action_t *) gIter->data; crm_trace("Matching %s against %s", key, action->uuid); if (safe_str_neq(key, action->uuid)) { crm_trace("Key mismatch: %s vs. %s", key, action->uuid); continue; } else if (on_node == NULL || action->node == NULL) { crm_trace("on_node=%p, action->node=%p", on_node, action->node); continue; } else if (safe_str_eq(on_node->details->id, action->node->details->id)) { result = g_list_prepend(result, action); } crm_trace("Node mismatch: %s vs. %s", on_node->details->id, action->node->details->id); } return result; } static void resource_node_score(resource_t * rsc, node_t * node, int score, const char *tag) { node_t *match = NULL; if (rsc->children) { GListPtr gIter = rsc->children; for (; gIter != NULL; gIter = gIter->next) { resource_t *child_rsc = (resource_t *) gIter->data; resource_node_score(child_rsc, node, score, tag); } } pe_rsc_trace(rsc, "Setting %s for %s on %s: %d", tag, rsc->id, node->details->uname, score); match = pe_hash_table_lookup(rsc->allowed_nodes, node->details->id); if (match == NULL) { match = node_copy(node); match->weight = merge_weights(score, node->weight); g_hash_table_insert(rsc->allowed_nodes, (gpointer) match->details->id, match); } match->weight = merge_weights(match->weight, score); } void resource_location(resource_t * rsc, node_t * node, int score, const char *tag, pe_working_set_t * data_set) { if (node != NULL) { resource_node_score(rsc, node, score, tag); } else if (data_set != NULL) { GListPtr gIter = data_set->nodes; for (; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; resource_node_score(rsc, node, score, tag); } } else { GHashTableIter iter; node_t *node = NULL; g_hash_table_iter_init(&iter, rsc->allowed_nodes); while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) { resource_node_score(rsc, node, score, tag); } } if (node == NULL && score == -INFINITY) { if (rsc->allocated_to) { crm_info("Deallocating %s from %s", rsc->id, rsc->allocated_to->details->uname); free(rsc->allocated_to); rsc->allocated_to = NULL; } } } #define sort_return(an_int, why) do { \ free(a_uuid); \ free(b_uuid); \ crm_trace("%s (%d) %c %s (%d) : %s", \ a_xml_id, a_call_id, an_int>0?'>':an_int<0?'<':'=', \ b_xml_id, b_call_id, why); \ return an_int; \ } while(0) gint sort_op_by_callid(gconstpointer a, gconstpointer b) { int a_call_id = -1; int b_call_id = -1; char *a_uuid = NULL; char *b_uuid = NULL; const xmlNode *xml_a = a; const xmlNode *xml_b = b; const char *a_xml_id = crm_element_value_const(xml_a, XML_ATTR_ID); const char *b_xml_id = crm_element_value_const(xml_b, XML_ATTR_ID); if (safe_str_eq(a_xml_id, b_xml_id)) { /* We have duplicate lrm_rsc_op entries in the status * section which is unliklely to be a good thing * - we can handle it easily enough, but we need to get * to the bottom of why its happening. */ pe_err("Duplicate lrm_rsc_op entries named %s", a_xml_id); sort_return(0, "duplicate"); } crm_element_value_const_int(xml_a, XML_LRM_ATTR_CALLID, &a_call_id); crm_element_value_const_int(xml_b, XML_LRM_ATTR_CALLID, &b_call_id); if (a_call_id == -1 && b_call_id == -1) { /* both are pending ops so it doesnt matter since * stops are never pending */ sort_return(0, "pending"); } else if (a_call_id >= 0 && a_call_id < b_call_id) { sort_return(-1, "call id"); } else if (b_call_id >= 0 && a_call_id > b_call_id) { sort_return(1, "call id"); } else if (b_call_id >= 0 && a_call_id == b_call_id) { /* * The op and last_failed_op are the same * Order on last-rc-change */ int last_a = -1; int last_b = -1; crm_element_value_const_int(xml_a, XML_RSC_OP_LAST_CHANGE, &last_a); crm_element_value_const_int(xml_b, XML_RSC_OP_LAST_CHANGE, &last_b); crm_trace("rc-change: %d vs %d", last_a, last_b); if (last_a >= 0 && last_a < last_b) { sort_return(-1, "rc-change"); } else if (last_b >= 0 && last_a > last_b) { sort_return(1, "rc-change"); } sort_return(0, "rc-change"); } else { /* One of the inputs is a pending operation * Attempt to use XML_ATTR_TRANSITION_MAGIC to determine its age relative to the other */ int a_id = -1; int b_id = -1; int dummy = -1; const char *a_magic = crm_element_value_const(xml_a, XML_ATTR_TRANSITION_MAGIC); const char *b_magic = crm_element_value_const(xml_b, XML_ATTR_TRANSITION_MAGIC); CRM_CHECK(a_magic != NULL && b_magic != NULL, sort_return(0, "No magic")); if(!decode_transition_magic(a_magic, &a_uuid, &a_id, &dummy, &dummy, &dummy, &dummy)) { sort_return(0, "bad magic a"); } if(!decode_transition_magic(b_magic, &b_uuid, &b_id, &dummy, &dummy, &dummy, &dummy)) { sort_return(0, "bad magic b"); } /* try and determin the relative age of the operation... * some pending operations (ie. a start) may have been supuerceeded * by a subsequent stop * * [a|b]_id == -1 means its a shutdown operation and _always_ comes last */ if (safe_str_neq(a_uuid, b_uuid) || a_id == b_id) { /* * some of the logic in here may be redundant... * * if the UUID from the TE doesnt match then one better * be a pending operation. * pending operations dont survive between elections and joins * because we query the LRM directly */ if (b_call_id == -1) { sort_return(-1, "transition + call"); } else if (a_call_id == -1) { sort_return(1, "transition + call"); } } else if ((a_id >= 0 && a_id < b_id) || b_id == -1) { sort_return(-1, "transition"); } else if ((b_id >= 0 && a_id > b_id) || a_id == -1) { sort_return(1, "transition"); } } /* we should never end up here */ CRM_CHECK(FALSE, sort_return(0, "default")); } time_t get_effective_time(pe_working_set_t * data_set) { if(data_set) { if (data_set->now == NULL) { crm_trace("Recording a new 'now'"); data_set->now = crm_time_new(NULL); } return crm_time_get_seconds_since_epoch(data_set->now); } crm_trace("Defaulting to 'now'"); return time(NULL); } struct fail_search { resource_t *rsc; int count; long long last; char *key; }; static void get_failcount_by_prefix(gpointer key_p, gpointer value, gpointer user_data) { struct fail_search *search = user_data; const char *key = key_p; const char *match = strstr(key, search->key); if (match) { if (strstr(key, "last-failure-") == key && (key + 13) == match) { search->last = crm_int_helper(value, NULL); } else if (strstr(key, "fail-count-") == key && (key + 11) == match) { search->count += char2score(value); } } } int get_failcount(node_t * node, resource_t * rsc, time_t *last_failure, pe_working_set_t * data_set) { return get_failcount_full(node, rsc, last_failure, TRUE, data_set); } int get_failcount_full(node_t * node, resource_t * rsc, time_t *last_failure, bool effective, pe_working_set_t * data_set) { char *key = NULL; const char *value = NULL; struct fail_search search = { rsc, 0, 0, NULL }; /* Optimize the "normal" case */ key = crm_concat("fail-count", rsc->clone_name ? rsc->clone_name : rsc->id, '-'); value = g_hash_table_lookup(node->details->attrs, key); search.count = char2score(value); crm_trace("%s = %s", key, value); free(key); if (value) { key = crm_concat("last-failure", rsc->clone_name ? rsc->clone_name : rsc->id, '-'); value = g_hash_table_lookup(node->details->attrs, key); search.last = crm_int_helper(value, NULL); free(key); /* This block is still relevant once we omit anonymous instance numbers * because stopped clones wont have clone_name set */ } else if (is_not_set(rsc->flags, pe_rsc_unique)) { search.rsc = uber_parent(rsc); search.key = clone_strip(rsc->id); g_hash_table_foreach(node->details->attrs, get_failcount_by_prefix, &search); free(search.key); } if (search.count != 0 && search.last != 0 && last_failure) { *last_failure = search.last; } if(search.count && rsc->failure_timeout) { /* Never time-out if blocking failures are configured */ char *xml_name = clone_strip(rsc->id); char *xpath = g_strdup_printf("//primitive[@id='%s']//op[@on-fail='block']", xml_name); xmlXPathObject *xpathObj = xpath_search(rsc->xml, xpath); free(xml_name); free(xpath); if (numXpathResults(xpathObj) > 0) { xmlNode *pref = getXpathResult(xpathObj, 0); pe_warn("Setting %s.failure_timeout=%d in %s conflicts with on-fail=block: ignoring timeout", rsc->id, rsc->failure_timeout, ID(pref)); rsc->failure_timeout = 0; #if 0 /* A good idea? */ } else if (rsc->container == NULL && is_not_set(data_set->flags, pe_flag_stonith_enabled)) { /* In this case, stop.on-fail defaults to block in unpack_operation() */ rsc->failure_timeout = 0; #endif } freeXpathObject(xpathObj); } if (effective && search.count != 0 && search.last != 0 && rsc->failure_timeout) { if (search.last > 0) { time_t now = get_effective_time(data_set); if (now > (search.last + rsc->failure_timeout)) { crm_debug("Failcount for %s on %s has expired (limit was %ds)", search.rsc->id, node->details->uname, rsc->failure_timeout); search.count = 0; } } } if (search.count != 0) { char *score = score2char(search.count); crm_info("%s has failed %s times on %s", search.rsc->id, score, node->details->uname); free(score); } return search.count; } /* If it's a resource container, get its failcount plus all the failcounts of the resources within it */ int get_failcount_all(node_t * node, resource_t * rsc, time_t *last_failure, pe_working_set_t * data_set) { int failcount_all = 0; failcount_all = get_failcount(node, rsc, last_failure, data_set); if (rsc->fillers) { GListPtr gIter = NULL; for (gIter = rsc->fillers; gIter != NULL; gIter = gIter->next) { resource_t *filler = (resource_t *) gIter->data; time_t filler_last_failure = 0; failcount_all += get_failcount(node, filler, &filler_last_failure, data_set); if (last_failure && filler_last_failure > *last_failure) { *last_failure = filler_last_failure; } } if (failcount_all != 0) { char *score = score2char(failcount_all); crm_info("Container %s and the resources within it have failed %s times on %s", rsc->id, score, node->details->uname); free(score); } } return failcount_all; } gboolean get_target_role(resource_t * rsc, enum rsc_role_e * role) { enum rsc_role_e local_role = RSC_ROLE_UNKNOWN; const char *value = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_TARGET_ROLE); CRM_CHECK(role != NULL, return FALSE); if (value == NULL || safe_str_eq("started", value) || safe_str_eq("default", value)) { return FALSE; } local_role = text2role(value); if (local_role == RSC_ROLE_UNKNOWN) { crm_config_err("%s: Unknown value for %s: %s", rsc->id, XML_RSC_ATTR_TARGET_ROLE, value); return FALSE; } else if (local_role > RSC_ROLE_STARTED) { if (uber_parent(rsc)->variant == pe_master) { if (local_role > RSC_ROLE_SLAVE) { /* This is what we'd do anyway, just leave the default to avoid messing up the placement algorithm */ return FALSE; } } else { crm_config_err("%s is not part of a master/slave resource, a %s of '%s' makes no sense", rsc->id, XML_RSC_ATTR_TARGET_ROLE, value); return FALSE; } } *role = local_role; return TRUE; } gboolean order_actions(action_t * lh_action, action_t * rh_action, enum pe_ordering order) { GListPtr gIter = NULL; action_wrapper_t *wrapper = NULL; GListPtr list = NULL; if (order == pe_order_none) { return FALSE; } if (lh_action == NULL || rh_action == NULL) { return FALSE; } crm_trace("Ordering Action %s before %s", lh_action->uuid, rh_action->uuid); /* Filter dups, otherwise update_action_states() has too much work to do */ gIter = lh_action->actions_after; for (; gIter != NULL; gIter = gIter->next) { action_wrapper_t *after = (action_wrapper_t *) gIter->data; if (after->action == rh_action && (after->type & order)) { return FALSE; } } wrapper = calloc(1, sizeof(action_wrapper_t)); wrapper->action = rh_action; wrapper->type = order; list = lh_action->actions_after; list = g_list_prepend(list, wrapper); lh_action->actions_after = list; wrapper = NULL; /* order |= pe_order_implies_then; */ /* order ^= pe_order_implies_then; */ wrapper = calloc(1, sizeof(action_wrapper_t)); wrapper->action = lh_action; wrapper->type = order; list = rh_action->actions_before; list = g_list_prepend(list, wrapper); rh_action->actions_before = list; return TRUE; } action_t * get_pseudo_op(const char *name, pe_working_set_t * data_set) { action_t *op = NULL; const char *op_s = name; GListPtr possible_matches = NULL; possible_matches = find_actions(data_set->actions, name, NULL); if (possible_matches != NULL) { if (g_list_length(possible_matches) > 1) { pe_warn("Action %s exists %d times", name, g_list_length(possible_matches)); } op = g_list_nth_data(possible_matches, 0); g_list_free(possible_matches); } else { op = custom_action(NULL, strdup(op_s), op_s, NULL, TRUE, TRUE, data_set); set_bit(op->flags, pe_action_pseudo); set_bit(op->flags, pe_action_runnable); } return op; } void destroy_ticket(gpointer data) { ticket_t *ticket = data; if (ticket->state) { g_hash_table_destroy(ticket->state); } free(ticket->id); free(ticket); } ticket_t * ticket_new(const char *ticket_id, pe_working_set_t * data_set) { ticket_t *ticket = NULL; if (ticket_id == NULL || strlen(ticket_id) == 0) { return NULL; } if (data_set->tickets == NULL) { data_set->tickets = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, destroy_ticket); } ticket = g_hash_table_lookup(data_set->tickets, ticket_id); if (ticket == NULL) { ticket = calloc(1, sizeof(ticket_t)); if (ticket == NULL) { crm_err("Cannot allocate ticket '%s'", ticket_id); return NULL; } crm_trace("Creaing ticket entry for %s", ticket_id); ticket->id = strdup(ticket_id); ticket->granted = FALSE; ticket->last_granted = -1; ticket->standby = FALSE; ticket->state = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); g_hash_table_insert(data_set->tickets, strdup(ticket->id), ticket); } return ticket; } op_digest_cache_t * rsc_action_digest_cmp(resource_t * rsc, xmlNode * xml_op, node_t * node, pe_working_set_t * data_set) { op_digest_cache_t *data = NULL; GHashTable *local_rsc_params = NULL; action_t *action = NULL; char *key = NULL; int interval = 0; const char *op_id = ID(xml_op); const char *interval_s = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL); const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK); const char *digest_all; const char *digest_restart; const char *restart_list; const char *op_version; data = g_hash_table_lookup(node->details->digest_cache, op_id); if (data) { return data; } data = calloc(1, sizeof(op_digest_cache_t)); digest_all = crm_element_value(xml_op, XML_LRM_ATTR_OP_DIGEST); digest_restart = crm_element_value(xml_op, XML_LRM_ATTR_RESTART_DIGEST); restart_list = crm_element_value(xml_op, XML_LRM_ATTR_OP_RESTART); op_version = crm_element_value(xml_op, XML_ATTR_CRM_VERSION); /* key is freed in custom_action */ interval = crm_parse_int(interval_s, "0"); key = generate_op_key(rsc->id, task, interval); action = custom_action(rsc, key, task, node, TRUE, FALSE, data_set); key = NULL; local_rsc_params = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); get_rsc_attributes(local_rsc_params, rsc, node, data_set); data->params_all = create_xml_node(NULL, XML_TAG_PARAMS); g_hash_table_foreach(local_rsc_params, hash2field, data->params_all); g_hash_table_foreach(action->extra, hash2field, data->params_all); g_hash_table_foreach(rsc->parameters, hash2field, data->params_all); g_hash_table_foreach(action->meta, hash2metafield, data->params_all); filter_action_parameters(data->params_all, op_version); data->digest_all_calc = calculate_operation_digest(data->params_all, op_version); if (digest_restart) { data->params_restart = copy_xml(data->params_all); if (restart_list) { filter_reload_parameters(data->params_restart, restart_list); } data->digest_restart_calc = calculate_operation_digest(data->params_restart, op_version); } if (digest_restart && strcmp(data->digest_restart_calc, digest_restart) != 0) { data->rc = RSC_DIGEST_RESTART; } else if (digest_all == NULL) { /* it is unknown what the previous op digest was */ data->rc = RSC_DIGEST_UNKNOWN; } else if (strcmp(digest_all, data->digest_all_calc) != 0) { data->rc = RSC_DIGEST_ALL; } g_hash_table_insert(node->details->digest_cache, strdup(op_id), data); g_hash_table_destroy(local_rsc_params); pe_free_action(action); return data; } const char *rsc_printable_id(resource_t *rsc) { if (is_not_set(rsc->flags, pe_rsc_unique)) { return ID(rsc->xml); } return rsc->id; } gboolean is_baremetal_remote_node(node_t *node) { if (node->details->remote_rsc && (node->details->remote_rsc->container == FALSE)) { return TRUE; } return FALSE; } gboolean is_container_remote_node(node_t *node) { if (node->details->remote_rsc && node->details->remote_rsc->container) { return TRUE; } return FALSE; } gboolean is_remote_node(node_t *node) { if (node->details->remote_rsc) { return TRUE; } return FALSE; } resource_t * rsc_contains_remote_node(pe_working_set_t * data_set, resource_t *rsc) { if (is_set(data_set->flags, pe_flag_have_remote_nodes) == FALSE) { return NULL; } if (rsc->fillers) { GListPtr gIter = NULL; for (gIter = rsc->fillers; gIter != NULL; gIter = gIter->next) { resource_t *filler = (resource_t *) gIter->data; if (filler->is_remote_node) { return filler; } } } return NULL; } gboolean xml_contains_remote_node(xmlNode *xml) { const char *class = crm_element_value(xml, XML_AGENT_ATTR_CLASS); const char *provider = crm_element_value(xml, XML_AGENT_ATTR_PROVIDER); const char *agent = crm_element_value(xml, XML_ATTR_TYPE); if (safe_str_eq(agent, "remote") && safe_str_eq(provider, "pacemaker") && safe_str_eq(class, "ocf")) { return TRUE; } return FALSE; } diff --git a/tools/crm_mon.c b/tools/crm_mon.c index a7ef63463f..a9dd1b7d37 100644 --- a/tools/crm_mon.c +++ b/tools/crm_mon.c @@ -1,2521 +1,2522 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include <../lib/pengine/unpack.h> #include <../pengine/pengine.h> #include /* GMainLoop *mainloop = NULL; */ void wait_for_refresh(int offset, const char *prefix, int msec); void clean_up(int rc); void crm_diff_update(const char *event, xmlNode * msg); gboolean mon_refresh_display(gpointer user_data); int cib_connect(gboolean full); void mon_st_callback(stonith_t * st, stonith_event_t * e); char *xml_file = NULL; char *as_html_file = NULL; int as_xml = 0; char *pid_file = NULL; char *snmp_target = NULL; char *snmp_community = NULL; gboolean as_console = TRUE;; gboolean simple_status = FALSE; gboolean group_by_node = FALSE; gboolean inactive_resources = FALSE; gboolean web_cgi = FALSE; int reconnect_msec = 5000; gboolean daemonize = FALSE; GMainLoop *mainloop = NULL; guint timer_id = 0; GList *attr_list = NULL; const char *crm_mail_host = NULL; const char *crm_mail_prefix = NULL; const char *crm_mail_from = NULL; const char *crm_mail_to = NULL; const char *external_agent = NULL; const char *external_recipient = NULL; cib_t *cib = NULL; stonith_t *st = NULL; xmlNode *current_cib = NULL; gboolean one_shot = FALSE; gboolean has_warnings = FALSE; gboolean print_failcount = FALSE; gboolean print_operations = FALSE; gboolean print_timing = FALSE; gboolean print_nodes_attr = FALSE; gboolean print_last_updated = TRUE; gboolean print_last_change = TRUE; gboolean print_tickets = FALSE; gboolean watch_fencing = FALSE; gboolean hide_headers = FALSE; /* FIXME allow, detect, and correctly interpret glob pattern or regex? */ const char *print_neg_location_prefix; const char *print_neg_location_prefix_toggle; #define FILTER_STR {"shutdown", "terminate", "standby", "fail-count", \ "last-failure", "probe_complete", "#id", "#uname", \ "#is_dc", "#kind", NULL} gboolean log_diffs = FALSE; gboolean log_updates = FALSE; long last_refresh = 0; crm_trigger_t *refresh_trigger = NULL; /* * 1.3.6.1.4.1.32723 has been assigned to the project by IANA * http://www.iana.org/assignments/enterprise-numbers */ #define PACEMAKER_PREFIX "1.3.6.1.4.1.32723" #define PACEMAKER_TRAP_PREFIX PACEMAKER_PREFIX ".1" #define snmp_crm_trap_oid PACEMAKER_TRAP_PREFIX #define snmp_crm_oid_node PACEMAKER_TRAP_PREFIX ".1" #define snmp_crm_oid_rsc PACEMAKER_TRAP_PREFIX ".2" #define snmp_crm_oid_task PACEMAKER_TRAP_PREFIX ".3" #define snmp_crm_oid_desc PACEMAKER_TRAP_PREFIX ".4" #define snmp_crm_oid_status PACEMAKER_TRAP_PREFIX ".5" #define snmp_crm_oid_rc PACEMAKER_TRAP_PREFIX ".6" #define snmp_crm_oid_trc PACEMAKER_TRAP_PREFIX ".7" #if CURSES_ENABLED # define print_dot() if(as_console) { \ printw("."); \ clrtoeol(); \ refresh(); \ } else { \ fprintf(stdout, "."); \ } #else # define print_dot() fprintf(stdout, "."); #endif #if CURSES_ENABLED # define print_as(fmt, args...) if(as_console) { \ printw(fmt, ##args); \ clrtoeol(); \ refresh(); \ } else { \ fprintf(stdout, fmt, ##args); \ } #else # define print_as(fmt, args...) fprintf(stdout, fmt, ##args); #endif static void blank_screen(void) { #if CURSES_ENABLED int lpc = 0; for (lpc = 0; lpc < LINES; lpc++) { move(lpc, 0); clrtoeol(); } move(0, 0); refresh(); #endif } static gboolean mon_timer_popped(gpointer data) { int rc = pcmk_ok; #if CURSES_ENABLED if(as_console) { clear(); refresh(); } #endif if (timer_id > 0) { g_source_remove(timer_id); } print_as("Reconnecting...\n"); rc = cib_connect(TRUE); if (rc != pcmk_ok) { timer_id = g_timeout_add(reconnect_msec, mon_timer_popped, NULL); } return FALSE; } static void mon_cib_connection_destroy(gpointer user_data) { print_as("Connection to the CIB terminated\n"); if (cib) { cib->cmds->signoff(cib); timer_id = g_timeout_add(reconnect_msec, mon_timer_popped, NULL); } return; } /* * Mainloop signal handler. */ static void mon_shutdown(int nsig) { clean_up(EX_OK); } #if ON_DARWIN # define sighandler_t sig_t #endif #if CURSES_ENABLED # ifndef HAVE_SIGHANDLER_T typedef void (*sighandler_t) (int); # endif static sighandler_t ncurses_winch_handler; static void mon_winresize(int nsig) { static int not_done; int lines = 0, cols = 0; if (!not_done++) { if (ncurses_winch_handler) /* the original ncurses WINCH signal handler does the * magic of retrieving the new window size; * otherwise, we'd have to use ioctl or tgetent */ (*ncurses_winch_handler) (SIGWINCH); getmaxyx(stdscr, lines, cols); resizeterm(lines, cols); mainloop_set_trigger(refresh_trigger); } not_done--; } #endif int cib_connect(gboolean full) { int rc = pcmk_ok; static gboolean need_pass = TRUE; CRM_CHECK(cib != NULL, return -EINVAL); if (getenv("CIB_passwd") != NULL) { need_pass = FALSE; } if (watch_fencing && st == NULL) { st = stonith_api_new(); } if (watch_fencing && st->state == stonith_disconnected) { crm_trace("Connecting to stonith"); rc = st->cmds->connect(st, crm_system_name, NULL); if (rc == pcmk_ok) { crm_trace("Setting up stonith callbacks"); st->cmds->register_notification(st, T_STONITH_NOTIFY_FENCE, mon_st_callback); } } if (cib->state != cib_connected_query && cib->state != cib_connected_command) { crm_trace("Connecting to the CIB"); if (as_console && need_pass && cib->variant == cib_remote) { need_pass = FALSE; print_as("Password:"); } rc = cib->cmds->signon(cib, crm_system_name, cib_query); if (rc != pcmk_ok) { return rc; } current_cib = get_cib_copy(cib); mon_refresh_display(NULL); if (full) { if (rc == pcmk_ok) { rc = cib->cmds->set_connection_dnotify(cib, mon_cib_connection_destroy); if (rc == -EPROTONOSUPPORT) { print_as ("Notification setup not supported, won't be able to reconnect after failure"); if (as_console) { sleep(2); } rc = pcmk_ok; } } if (rc == pcmk_ok) { cib->cmds->del_notify_callback(cib, T_CIB_DIFF_NOTIFY, crm_diff_update); rc = cib->cmds->add_notify_callback(cib, T_CIB_DIFF_NOTIFY, crm_diff_update); } if (rc != pcmk_ok) { print_as("Notification setup failed, could not monitor CIB actions"); if (as_console) { sleep(2); } clean_up(-rc); } } } return rc; } /* *INDENT-OFF* */ static struct crm_option long_options[] = { /* Top-level Options */ {"help", 0, 0, '?', "\tThis text"}, {"version", 0, 0, '$', "\tVersion information" }, {"verbose", 0, 0, 'V', "\tIncrease debug output"}, {"quiet", 0, 0, 'Q', "\tDisplay only essential output" }, {"-spacer-", 1, 0, '-', "\nModes:"}, {"as-html", 1, 0, 'h', "\tWrite cluster status to the named html file"}, {"as-xml", 0, 0, 'X', "\t\tWrite cluster status as xml to stdout. This will enable one-shot mode."}, {"web-cgi", 0, 0, 'w', "\t\tWeb mode with output suitable for cgi"}, {"simple-status", 0, 0, 's', "\tDisplay the cluster status once as a simple one line output (suitable for nagios)"}, {"snmp-traps", 1, 0, 'S', "\tSend SNMP traps to this station", !ENABLE_SNMP}, {"snmp-community", 1, 0, 'C', "Specify community for SNMP traps(default is NULL)", !ENABLE_SNMP}, {"mail-to", 1, 0, 'T', "\tSend Mail alerts to this user. See also --mail-from, --mail-host, --mail-prefix", !ENABLE_ESMTP}, {"-spacer-", 1, 0, '-', "\nDisplay Options:"}, {"group-by-node", 0, 0, 'n', "\tGroup resources by node" }, {"inactive", 0, 0, 'r', "\t\tDisplay inactive resources" }, {"failcounts", 0, 0, 'f', "\tDisplay resource fail counts"}, {"operations", 0, 0, 'o', "\tDisplay resource operation history" }, {"timing-details", 0, 0, 't', "\tDisplay resource operation history with timing details" }, {"tickets", 0, 0, 'c', "\t\tDisplay cluster tickets"}, {"watch-fencing", 0, 0, 'W', "\tListen for fencing events. For use with --external-agent, --mail-to and/or --snmp-traps where supported"}, {"neg-locations", 2, 0, 'L', "Display negative location constraints [optionally filtered by id prefix]"}, {"show-node-attributes", 0, 0, 'A', "Display node attributes" }, {"hide-headers", 0, 0, 'D', "\tHide all headers" }, {"-spacer-", 1, 0, '-', "\nAdditional Options:"}, {"interval", 1, 0, 'i', "\tUpdate frequency in seconds" }, {"one-shot", 0, 0, '1', "\t\tDisplay the cluster status once on the console and exit"}, {"disable-ncurses",0, 0, 'N', "\tDisable the use of ncurses", !CURSES_ENABLED}, {"daemonize", 0, 0, 'd', "\tRun in the background as a daemon"}, {"pid-file", 1, 0, 'p', "\t(Advanced) Daemon pid file location"}, {"mail-from", 1, 0, 'F', "\tMail alerts should come from the named user", !ENABLE_ESMTP}, {"mail-host", 1, 0, 'H', "\tMail alerts should be sent via the named host", !ENABLE_ESMTP}, {"mail-prefix", 1, 0, 'P', "Subjects for mail alerts should start with this string", !ENABLE_ESMTP}, {"external-agent", 1, 0, 'E', "A program to run when resource operations take place."}, {"external-recipient",1, 0, 'e', "A recipient for your program (assuming you want the program to send something to someone)."}, {"xml-file", 1, 0, 'x', NULL, 1}, {"-spacer-", 1, 0, '-', "\nExamples:", pcmk_option_paragraph}, {"-spacer-", 1, 0, '-', "Display the cluster status on the console with updates as they occur:", pcmk_option_paragraph}, {"-spacer-", 1, 0, '-', " crm_mon", pcmk_option_example}, {"-spacer-", 1, 0, '-', "Display the cluster status on the console just once then exit:", pcmk_option_paragraph}, {"-spacer-", 1, 0, '-', " crm_mon -1", pcmk_option_example}, {"-spacer-", 1, 0, '-', "Display your cluster status, group resources by node, and include inactive resources in the list:", pcmk_option_paragraph}, {"-spacer-", 1, 0, '-', " crm_mon --group-by-node --inactive", pcmk_option_example}, {"-spacer-", 1, 0, '-', "Start crm_mon as a background daemon and have it write the cluster status to an HTML file:", pcmk_option_paragraph}, {"-spacer-", 1, 0, '-', " crm_mon --daemonize --as-html /path/to/docroot/filename.html", pcmk_option_example}, {"-spacer-", 1, 0, '-', "Start crm_mon and export the current cluster status as xml to stdout, then exit.:", pcmk_option_paragraph}, {"-spacer-", 1, 0, '-', " crm_mon --as-xml", pcmk_option_example}, {"-spacer-", 1, 0, '-', "Start crm_mon as a background daemon and have it send email alerts:", pcmk_option_paragraph|!ENABLE_ESMTP}, {"-spacer-", 1, 0, '-', " crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com", pcmk_option_example|!ENABLE_ESMTP}, {"-spacer-", 1, 0, '-', "Start crm_mon as a background daemon and have it send SNMP alerts:", pcmk_option_paragraph|!ENABLE_SNMP}, {"-spacer-", 1, 0, '-', " crm_mon --daemonize --snmp-traps snmptrapd.example.com", pcmk_option_example|!ENABLE_SNMP}, {NULL, 0, 0, 0} }; /* *INDENT-ON* */ #if CURSES_ENABLED static const char * get_option_desc(char c) { int lpc; for (lpc = 0; long_options[lpc].name != NULL; lpc++) { if (long_options[lpc].name[0] == '-') continue; if (long_options[lpc].val == c) { const char * tab = NULL; tab = strrchr(long_options[lpc].desc, '\t'); return tab ? ++tab : long_options[lpc].desc; } } return NULL; } static gboolean detect_user_input(GIOChannel *channel, GIOCondition condition, gpointer unused) { int c; gboolean config_mode = FALSE; while (1) { /* Get user input */ c = getchar(); switch (c) { case 'c': print_tickets = ! print_tickets; break; case 'f': print_failcount = ! print_failcount; break; case 'n': group_by_node = ! group_by_node; break; case 'o': print_operations = ! print_operations; break; case 'r': inactive_resources = ! inactive_resources; break; case 't': print_timing = ! print_timing; if (print_timing) print_operations = TRUE; break; case 'A': print_nodes_attr = ! print_nodes_attr; break; case 'L': if (print_neg_location_prefix) { /* toggle off */ print_neg_location_prefix_toggle = print_neg_location_prefix; print_neg_location_prefix = NULL; } else if (print_neg_location_prefix_toggle) { /* toggle on */ print_neg_location_prefix = print_neg_location_prefix_toggle; print_neg_location_prefix_toggle = NULL; } else { /* toggled on for the first time at runtime */ print_neg_location_prefix = ""; } break; case 'D': hide_headers = ! hide_headers; break; case '?': config_mode = TRUE; break; default: goto refresh; } if (!config_mode) goto refresh; blank_screen(); print_as("Display option change mode\n"); print_as("\n"); print_as("%c c: \t%s\n", print_tickets ? '*': ' ', get_option_desc('c')); print_as("%c f: \t%s\n", print_failcount ? '*': ' ', get_option_desc('f')); print_as("%c n: \t%s\n", group_by_node ? '*': ' ', get_option_desc('n')); print_as("%c o: \t%s\n", print_operations ? '*': ' ', get_option_desc('o')); print_as("%c r: \t%s\n", inactive_resources ? '*': ' ', get_option_desc('r')); print_as("%c t: \t%s\n", print_timing ? '*': ' ', get_option_desc('t')); print_as("%c A: \t%s\n", print_nodes_attr ? '*': ' ', get_option_desc('A')); print_as("%c L: \t%s\n", print_neg_location_prefix ? '*': ' ', get_option_desc('L')); print_as("%c D: \t%s\n", hide_headers ? '*': ' ', get_option_desc('D')); print_as("\n"); print_as("Toggle fields via field letter, type any other key to return"); } refresh: mon_refresh_display(NULL); return TRUE; } #endif int main(int argc, char **argv) { int flag; int argerr = 0; int exit_code = 0; int option_index = 0; pid_file = strdup("/tmp/ClusterMon.pid"); crm_log_cli_init("crm_mon"); crm_set_options(NULL, "mode [options]", long_options, "Provides a summary of cluster's current state." "\n\nOutputs varying levels of detail in a number of different formats.\n"); #if !defined (ON_DARWIN) && !defined (ON_BSD) /* prevent zombies */ signal(SIGCLD, SIG_IGN); #endif if (strcmp(crm_system_name, "crm_mon.cgi") == 0) { web_cgi = TRUE; one_shot = TRUE; } while (1) { flag = crm_get_option(argc, argv, &option_index); if (flag == -1) break; switch (flag) { case 'V': crm_bump_log_level(argc, argv); break; case 'Q': print_last_updated = FALSE; print_last_change = FALSE; break; case 'i': reconnect_msec = crm_get_msec(optarg); break; case 'n': group_by_node = TRUE; break; case 'r': inactive_resources = TRUE; break; case 'W': watch_fencing = TRUE; break; case 'd': daemonize = TRUE; break; case 't': print_timing = TRUE; print_operations = TRUE; break; case 'o': print_operations = TRUE; break; case 'f': print_failcount = TRUE; break; case 'A': print_nodes_attr = TRUE; break; case 'L': print_neg_location_prefix = optarg ?: ""; break; case 'D': hide_headers = TRUE; break; case 'c': print_tickets = TRUE; break; case 'p': free(pid_file); pid_file = strdup(optarg); break; case 'x': xml_file = strdup(optarg); one_shot = TRUE; break; case 'h': as_html_file = strdup(optarg); break; case 'X': as_xml = TRUE; one_shot = TRUE; break; case 'w': web_cgi = TRUE; one_shot = TRUE; break; case 's': simple_status = TRUE; one_shot = TRUE; break; case 'S': snmp_target = optarg; break; case 'T': crm_mail_to = optarg; break; case 'F': crm_mail_from = optarg; break; case 'H': crm_mail_host = optarg; break; case 'P': crm_mail_prefix = optarg; break; case 'E': external_agent = optarg; break; case 'e': external_recipient = optarg; break; case '1': one_shot = TRUE; break; case 'N': as_console = FALSE; break; case 'C': snmp_community = optarg; break; case '$': case '?': crm_help(flag, EX_OK); break; default: printf("Argument code 0%o (%c) is not (?yet?) supported\n", flag, flag); ++argerr; break; } } if (optind < argc) { printf("non-option ARGV-elements: "); while (optind < argc) printf("%s ", argv[optind++]); printf("\n"); } if (argerr) { crm_help('?', EX_USAGE); } if (one_shot) { as_console = FALSE; } else if (daemonize) { as_console = FALSE; crm_enable_stderr(FALSE); if (!as_html_file && !snmp_target && !crm_mail_to && !external_agent && !as_xml) { printf ("Looks like you forgot to specify one or more of: --as-html, --as-xml, --mail-to, --snmp-target, --external-agent\n"); crm_help('?', EX_USAGE); } crm_make_daemon(crm_system_name, TRUE, pid_file); } else if (as_console) { #if CURSES_ENABLED initscr(); cbreak(); noecho(); crm_enable_stderr(FALSE); #else one_shot = TRUE; as_console = FALSE; printf("Defaulting to one-shot mode\n"); printf("You need to have curses available at compile time to enable console mode\n"); #endif } crm_info("Starting %s", crm_system_name); if (xml_file != NULL) { current_cib = filename2xml(xml_file); mon_refresh_display(NULL); return exit_code; } if (current_cib == NULL) { cib = cib_new(); do { if (!one_shot) { print_as("Attempting connection to the cluster...\n"); } exit_code = cib_connect(!one_shot); if (one_shot) { break; } else if (exit_code != pcmk_ok) { sleep(reconnect_msec / 1000); #if CURSES_ENABLED if(as_console) { clear(); refresh(); } #endif } } while (exit_code == -ENOTCONN); if (exit_code != pcmk_ok) { print_as("\nConnection to cluster failed: %s\n", pcmk_strerror(exit_code)); if (as_console) { sleep(2); } clean_up(-exit_code); } } if (one_shot) { return exit_code; } mainloop = g_main_new(FALSE); mainloop_add_signal(SIGTERM, mon_shutdown); mainloop_add_signal(SIGINT, mon_shutdown); #if CURSES_ENABLED if (as_console) { ncurses_winch_handler = signal(SIGWINCH, mon_winresize); if (ncurses_winch_handler == SIG_DFL || ncurses_winch_handler == SIG_IGN || ncurses_winch_handler == SIG_ERR) ncurses_winch_handler = NULL; g_io_add_watch(g_io_channel_unix_new(STDIN_FILENO), G_IO_IN, detect_user_input, NULL); } #endif refresh_trigger = mainloop_add_trigger(G_PRIORITY_LOW, mon_refresh_display, NULL); g_main_run(mainloop); g_main_destroy(mainloop); crm_info("Exiting %s", crm_system_name); clean_up(0); return 0; /* never reached */ } #define mon_warn(fmt...) do { \ if (!has_warnings) { \ print_as("Warning:"); \ } else { \ print_as(","); \ } \ print_as(fmt); \ has_warnings = TRUE; \ } while(0) static int count_resources(pe_working_set_t * data_set, resource_t * rsc) { int count = 0; GListPtr gIter = NULL; if (rsc == NULL) { gIter = data_set->resources; } else if (rsc->children) { gIter = rsc->children; } else { return is_not_set(rsc->flags, pe_rsc_orphan); } for (; gIter != NULL; gIter = gIter->next) { count += count_resources(data_set, gIter->data); } return count; } static int print_simple_status(pe_working_set_t * data_set) { node_t *dc = NULL; GListPtr gIter = NULL; int nodes_online = 0; int nodes_standby = 0; int nodes_maintenance = 0; dc = data_set->dc_node; if (dc == NULL) { mon_warn("No DC "); } for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; if (node->details->standby && node->details->online) { nodes_standby++; } else if (node->details->maintenance && node->details->online) { nodes_maintenance++; } else if (node->details->online) { nodes_online++; } else { mon_warn("offline node: %s", node->details->uname); } } if (!has_warnings) { print_as("Ok: %d nodes online", nodes_online); if (nodes_standby > 0) { print_as(", %d standby nodes", nodes_standby); } if (nodes_maintenance > 0) { print_as(", %d maintenance nodes", nodes_maintenance); } print_as(", %d resources configured", count_resources(data_set, NULL)); } print_as("\n"); return 0; } static void print_date(time_t time) { int lpc = 0; char date_str[26]; asctime_r(localtime(&time), date_str); for (; lpc < 26; lpc++) { if (date_str[lpc] == '\n') { date_str[lpc] = 0; } } print_as("'%s'", date_str); } #include static void print_rsc_summary(pe_working_set_t * data_set, node_t * node, resource_t * rsc, gboolean all) { gboolean printed = FALSE; time_t last_failure = 0; int failcount = get_failcount_full(node, rsc, &last_failure, FALSE, data_set); if (all || failcount || last_failure > 0) { printed = TRUE; print_as(" %s: migration-threshold=%d", rsc_printable_id(rsc), rsc->migration_threshold); } if (failcount > 0) { printed = TRUE; print_as(" fail-count=%d", failcount); } if (last_failure > 0) { printed = TRUE; print_as(" last-failure="); print_date(last_failure); } if (printed) { print_as("\n"); } } static void print_rsc_history(pe_working_set_t * data_set, node_t * node, xmlNode * rsc_entry) { GListPtr gIter = NULL; GListPtr op_list = NULL; gboolean print_name = TRUE; GListPtr sorted_op_list = NULL; const char *rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID); resource_t *rsc = pe_find_resource(data_set->resources, rsc_id); xmlNode *rsc_op = NULL; for (rsc_op = __xml_first_child(rsc_entry); rsc_op != NULL; rsc_op = __xml_next(rsc_op)) { if (crm_str_eq((const char *)rsc_op->name, XML_LRM_TAG_RSC_OP, TRUE)) { op_list = g_list_append(op_list, rsc_op); } } sorted_op_list = g_list_sort(op_list, sort_op_by_callid); for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) { xmlNode *xml_op = (xmlNode *) gIter->data; const char *value = NULL; const char *call = crm_element_value(xml_op, XML_LRM_ATTR_CALLID); const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK); const char *op_rc = crm_element_value(xml_op, XML_LRM_ATTR_RC); const char *interval = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL); int rc = crm_parse_int(op_rc, "0"); if (safe_str_eq(task, CRMD_ACTION_STATUS) && safe_str_eq(interval, "0")) { task = "probe"; } if (rc == 7 && safe_str_eq(task, "probe")) { continue; } else if (safe_str_eq(task, CRMD_ACTION_NOTIFY)) { continue; } if (print_name) { print_name = FALSE; if (rsc == NULL) { print_as("Orphan resource: %s", rsc_id); } else { print_rsc_summary(data_set, node, rsc, TRUE); } } print_as(" + (%s) %s:", call, task); if (safe_str_neq(interval, "0")) { print_as(" interval=%sms", interval); } if (print_timing) { int int_value; const char *attr = XML_RSC_OP_LAST_CHANGE; value = crm_element_value(xml_op, attr); if (value) { int_value = crm_parse_int(value, NULL); if (int_value > 0) { print_as(" %s=", attr); print_date(int_value); } } attr = XML_RSC_OP_LAST_RUN; value = crm_element_value(xml_op, attr); if (value) { int_value = crm_parse_int(value, NULL); if (int_value > 0) { print_as(" %s=", attr); print_date(int_value); } } attr = XML_RSC_OP_T_EXEC; value = crm_element_value(xml_op, attr); if (value) { int_value = crm_parse_int(value, NULL); print_as(" %s=%dms", attr, int_value); } attr = XML_RSC_OP_T_QUEUE; value = crm_element_value(xml_op, attr); if (value) { int_value = crm_parse_int(value, NULL); print_as(" %s=%dms", attr, int_value); } } print_as(" rc=%s (%s)\n", op_rc, services_ocf_exitcode_str(rc)); } /* no need to free the contents */ g_list_free(sorted_op_list); } static void print_attr_msg(node_t * node, GListPtr rsc_list, const char *attrname, const char *attrvalue) { GListPtr gIter = NULL; for (gIter = rsc_list; gIter != NULL; gIter = gIter->next) { resource_t *rsc = (resource_t *) gIter->data; const char *type = g_hash_table_lookup(rsc->meta, "type"); if (rsc->children != NULL) { print_attr_msg(node, rsc->children, attrname, attrvalue); } if (safe_str_eq(type, "ping") || safe_str_eq(type, "pingd")) { const char *name = g_hash_table_lookup(rsc->parameters, "name"); if (name == NULL) { name = "pingd"; } /* To identify the resource with the attribute name. */ if (safe_str_eq(name, attrname)) { int host_list_num = 0; int expected_score = 0; int value = crm_parse_int(attrvalue, "0"); const char *hosts = g_hash_table_lookup(rsc->parameters, "host_list"); const char *multiplier = g_hash_table_lookup(rsc->parameters, "multiplier"); if(hosts) { char **host_list = g_strsplit(hosts, " ", 0); host_list_num = g_strv_length(host_list); g_strfreev(host_list); } /* pingd multiplier is the same as the default value. */ expected_score = host_list_num * crm_parse_int(multiplier, "1"); /* pingd is abnormal score. */ if (value <= 0) { print_as("\t: Connectivity is lost"); } else if (value < expected_score) { print_as("\t: Connectivity is degraded (Expected=%d)", expected_score); } } } } } static int compare_attribute(gconstpointer a, gconstpointer b) { int rc; rc = strcmp((const char *)a, (const char *)b); return rc; } static void create_attr_list(gpointer name, gpointer value, gpointer data) { int i; const char *filt_str[] = FILTER_STR; CRM_CHECK(name != NULL, return); /* filtering automatic attributes */ for (i = 0; filt_str[i] != NULL; i++) { if (g_str_has_prefix(name, filt_str[i])) { return; } } attr_list = g_list_insert_sorted(attr_list, name, compare_attribute); } static void print_node_attribute(gpointer name, gpointer node_data) { const char *value = NULL; node_t *node = (node_t *) node_data; value = g_hash_table_lookup(node->details->attrs, name); print_as(" + %-32s\t: %-10s", (char *)name, value); print_attr_msg(node, node->details->running_rsc, name, value); print_as("\n"); } static void print_node_summary(pe_working_set_t * data_set, gboolean operations) { xmlNode *lrm_rsc = NULL; xmlNode *rsc_entry = NULL; xmlNode *node_state = NULL; xmlNode *cib_status = get_object_root(XML_CIB_TAG_STATUS, data_set->input); if (operations) { print_as("\nOperations:\n"); } else { print_as("\nMigration summary:\n"); } for (node_state = __xml_first_child(cib_status); node_state != NULL; node_state = __xml_next(node_state)) { if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE)) { node_t *node = pe_find_node_id(data_set->nodes, ID(node_state)); if (node == NULL || node->details->online == FALSE) { continue; } print_as("* Node %s: ", crm_element_value(node_state, XML_ATTR_UNAME)); print_as("\n"); lrm_rsc = find_xml_node(node_state, XML_CIB_TAG_LRM, FALSE); lrm_rsc = find_xml_node(lrm_rsc, XML_LRM_TAG_RESOURCES, FALSE); for (rsc_entry = __xml_first_child(lrm_rsc); rsc_entry != NULL; rsc_entry = __xml_next(rsc_entry)) { if (crm_str_eq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE, TRUE)) { if (operations) { print_rsc_history(data_set, node, rsc_entry); } else { const char *rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID); resource_t *rsc = pe_find_resource(data_set->resources, rsc_id); if (rsc) { print_rsc_summary(data_set, node, rsc, FALSE); } else { print_as(" %s: orphan\n", rsc_id); } } } } } } } static void print_ticket(gpointer name, gpointer value, gpointer data) { ticket_t *ticket = (ticket_t *) value; print_as(" %s\t%s%10s", ticket->id, ticket->granted ? "granted" : "revoked", ticket->standby ? " [standby]" : ""); if (ticket->last_granted > -1) { print_as(" last-granted="); print_date(ticket->last_granted); } print_as("\n"); return; } static void print_cluster_tickets(pe_working_set_t * data_set) { print_as("\nTickets:\n"); g_hash_table_foreach(data_set->tickets, print_ticket, NULL); return; } static void print_neg_locations(pe_working_set_t *data_set) { GListPtr gIter, gIter2; print_as("\nFencing constraints:\n"); for (gIter = data_set->placement_constraints; gIter != NULL; gIter = gIter->next) { rsc_to_node_t *location = (rsc_to_node_t *) gIter->data; if (!g_str_has_prefix(location->id, print_neg_location_prefix)) continue; for (gIter2 = location->node_list_rh; gIter2 != NULL; gIter2 = gIter2->next) { node_t *node = (node_t *) gIter2->data; if (node->weight >= 0) /* != -INFINITY ??? */ continue; print_as(" %s\tprevents %s from running %son %s\n", location->id, location->rsc_lh->id, location->role_filter == RSC_ROLE_MASTER ? "as Master " : "", node->details->uname); } } } static int print_status(pe_working_set_t * data_set) { static int updates = 0; GListPtr gIter = NULL; node_t *dc = NULL; char *since_epoch = NULL; char *online_nodes = NULL; char *online_remote_nodes = NULL; char *online_remote_containers = NULL; char *offline_nodes = NULL; char *offline_remote_nodes = NULL; const char *stack_s = NULL; xmlNode *dc_version = NULL; xmlNode *quorum_node = NULL; xmlNode *stack = NULL; time_t a_time = time(NULL); int print_opts = pe_print_ncurses; const char *quorum_votes = "unknown"; if (as_console) { blank_screen(); } else { print_opts = pe_print_printf; } updates++; dc = data_set->dc_node; if (a_time == (time_t) - 1) { crm_perror(LOG_ERR, "set_node_tstamp(): Invalid time returned"); return 1; } since_epoch = ctime(&a_time); if (since_epoch != NULL && print_last_updated && !hide_headers) { print_as("Last updated: %s", since_epoch); } if (print_last_change && !hide_headers) { const char *last_written = crm_element_value(data_set->input, XML_CIB_ATTR_WRITTEN); const char *user = crm_element_value(data_set->input, XML_ATTR_UPDATE_USER); const char *client = crm_element_value(data_set->input, XML_ATTR_UPDATE_CLIENT); const char *origin = crm_element_value(data_set->input, XML_ATTR_UPDATE_ORIG); print_as("Last change: %s", last_written ? last_written : ""); if (user) { print_as(" by %s", user); } if (client) { print_as(" via %s", client); } if (origin) { print_as(" on %s", origin); } print_as("\n"); } stack = get_xpath_object("//nvpair[@name='cluster-infrastructure']", data_set->input, LOG_DEBUG); if (stack) { stack_s = crm_element_value(stack, XML_NVPAIR_ATTR_VALUE); if (!hide_headers) { print_as("Stack: %s\n", stack_s); } } dc_version = get_xpath_object("//nvpair[@name='dc-version']", data_set->input, LOG_DEBUG); if (dc == NULL) { print_as("Current DC: NONE\n"); } else if (!hide_headers) { const char *quorum = crm_element_value(data_set->input, XML_ATTR_HAVE_QUORUM); if (safe_str_neq(dc->details->uname, dc->details->id)) { print_as("Current DC: %s (%s)", dc->details->uname, dc->details->id); } else { print_as("Current DC: %s", dc->details->uname); } print_as(" - partition %s quorum\n", crm_is_true(quorum) ? "with" : "WITHOUT"); if (dc_version) { print_as("Version: %s\n", crm_element_value(dc_version, XML_NVPAIR_ATTR_VALUE)); } } quorum_node = get_xpath_object("//nvpair[@name='" XML_ATTR_EXPECTED_VOTES "']", data_set->input, LOG_DEBUG); if (quorum_node) { quorum_votes = crm_element_value(quorum_node, XML_NVPAIR_ATTR_VALUE); } if(!hide_headers) { if(stack_s && strstr(stack_s, "classic openais") != NULL) { print_as("%d Nodes configured, %s expected votes\n", g_list_length(data_set->nodes), quorum_votes); } else { print_as("%d Nodes configured\n", g_list_length(data_set->nodes)); } print_as("%d Resources configured\n", count_resources(data_set, NULL)); print_as("\n\n"); } for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; const char *node_mode = NULL; char *node_name = NULL; if (is_container_remote_node(node)) { node_name = g_strdup_printf("%s:%s", node->details->uname, node->details->remote_rsc->container->id); } else { node_name = g_strdup_printf("%s", node->details->uname); } if (node->details->unclean) { if (node->details->online && node->details->unclean) { node_mode = "UNCLEAN (online)"; } else if (node->details->pending) { node_mode = "UNCLEAN (pending)"; } else { node_mode = "UNCLEAN (offline)"; } } else if (node->details->pending) { node_mode = "pending"; } else if (node->details->standby_onfail && node->details->online) { node_mode = "standby (on-fail)"; } else if (node->details->standby) { if (node->details->online) { node_mode = "standby"; } else { node_mode = "OFFLINE (standby)"; } } else if (node->details->maintenance) { if (node->details->online) { node_mode = "maintenance"; } else { node_mode = "OFFLINE (maintenance)"; } } else if (node->details->online) { node_mode = "online"; if (group_by_node == FALSE) { if (is_container_remote_node(node)) { online_remote_containers = add_list_element(online_remote_containers, node_name); } else if (is_baremetal_remote_node(node)) { online_remote_nodes = add_list_element(online_remote_nodes, node_name); } else { online_nodes = add_list_element(online_nodes, node_name); } continue; } } else { node_mode = "OFFLINE"; if (group_by_node == FALSE) { if (is_baremetal_remote_node(node)) { offline_remote_nodes = add_list_element(offline_remote_nodes, node_name); } else if (is_container_remote_node(node)) { /* ignore offline container nodes */ } else { offline_nodes = add_list_element(offline_nodes, node_name); } continue; } } if (is_container_remote_node(node)) { print_as("ContainerNode %s: %s\n", node_name, node_mode); } else if (is_baremetal_remote_node(node)) { print_as("RemoteNode %s: %s\n", node_name, node_mode); } else if (safe_str_eq(node->details->uname, node->details->id)) { print_as("Node %s: %s\n", node_name, node_mode); } else { print_as("Node %s (%s): %s\n", node_name, node->details->id, node_mode); } if (group_by_node) { GListPtr gIter2 = NULL; for (gIter2 = node->details->running_rsc; gIter2 != NULL; gIter2 = gIter2->next) { resource_t *rsc = (resource_t *) gIter2->data; rsc->fns->print(rsc, "\t", print_opts | pe_print_rsconly, stdout); } } free(node_name); } if (online_nodes) { print_as("Online: [%s ]\n", online_nodes); free(online_nodes); } if (offline_nodes) { print_as("OFFLINE: [%s ]\n", offline_nodes); free(offline_nodes); } if (online_remote_nodes) { print_as("RemoteOnline: [%s ]\n", online_remote_nodes); free(online_remote_nodes); } if (offline_remote_nodes) { print_as("RemoteOFFLINE: [%s ]\n", offline_remote_nodes); free(offline_remote_nodes); } if (online_remote_containers) { print_as("Containers: [%s ]\n", online_remote_containers); free(online_remote_containers); } if (group_by_node == FALSE && inactive_resources) { print_as("\nFull list of resources:\n"); } else if (inactive_resources) { print_as("\nInactive resources:\n"); } if (group_by_node == FALSE || inactive_resources) { print_as("\n"); for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) { resource_t *rsc = (resource_t *) gIter->data; gboolean is_active = rsc->fns->active(rsc, TRUE); gboolean partially_active = rsc->fns->active(rsc, FALSE); if (is_set(rsc->flags, pe_rsc_orphan) && is_active == FALSE) { continue; } else if (group_by_node == FALSE) { if (partially_active || inactive_resources) { rsc->fns->print(rsc, NULL, print_opts, stdout); } } else if (is_active == FALSE && inactive_resources) { rsc->fns->print(rsc, NULL, print_opts, stdout); } } } if (print_nodes_attr) { print_as("\nNode Attributes:\n"); for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; if (node == NULL || node->details->online == FALSE) { continue; } print_as("* Node %s:\n", node->details->uname); g_hash_table_foreach(node->details->attrs, create_attr_list, NULL); g_list_foreach(attr_list, print_node_attribute, node); g_list_free(attr_list); attr_list = NULL; } } if (print_operations || print_failcount) { print_node_summary(data_set, print_operations); } if (xml_has_children(data_set->failed)) { xmlNode *xml_op = NULL; print_as("\nFailed actions:\n"); for (xml_op = __xml_first_child(data_set->failed); xml_op != NULL; xml_op = __xml_next(xml_op)) { int status = 0; int rc = 0; const char *id = ID(xml_op); const char *op_key = crm_element_value(xml_op, XML_LRM_ATTR_TASK_KEY); const char *last = crm_element_value(xml_op, XML_RSC_OP_LAST_CHANGE); const char *node = crm_element_value(xml_op, XML_ATTR_UNAME); const char *call = crm_element_value(xml_op, XML_LRM_ATTR_CALLID); const char *rc_s = crm_element_value(xml_op, XML_LRM_ATTR_RC); const char *status_s = crm_element_value(xml_op, XML_LRM_ATTR_OPSTATUS); rc = crm_parse_int(rc_s, "0"); status = crm_parse_int(status_s, "0"); if (last) { time_t run_at = crm_parse_int(last, "0"); char *run_at_s = ctime(&run_at); if(run_at_s) { run_at_s[24] = 0; /* Overwrite the newline */ } print_as(" %s on %s '%s' (%d): call=%s, status=%s, last-rc-change='%s', queued=%sms, exec=%sms\n", op_key ? op_key : id, node, services_ocf_exitcode_str(rc), rc, call, services_lrm_status_str(status), run_at_s, crm_element_value(xml_op, XML_RSC_OP_T_QUEUE), crm_element_value(xml_op, XML_RSC_OP_T_EXEC)); } else { print_as(" %s on %s '%s' (%d): call=%s, status=%s\n", op_key ? op_key : id, node, services_ocf_exitcode_str(rc), rc, call, services_lrm_status_str(status)); } } print_as("\n"); } if (print_tickets || print_neg_location_prefix) { /* For recording the tickets that are referenced in rsc_ticket constraints * but have never been granted yet. * To be able to print negative location constraint summary, * we also need them to be unpacked. */ xmlNode *cib_constraints = get_object_root(XML_CIB_TAG_CONSTRAINTS, data_set->input); unpack_constraints(cib_constraints, data_set); } if (print_tickets) { print_cluster_tickets(data_set); } if (print_neg_location_prefix) { print_neg_locations(data_set); } #if CURSES_ENABLED if (as_console) { refresh(); } #endif return 0; } static int print_xml_status(pe_working_set_t * data_set) { FILE *stream = stdout; GListPtr gIter = NULL; node_t *dc = NULL; xmlNode *stack = NULL; xmlNode *quorum_node = NULL; const char *quorum_votes = "unknown"; dc = data_set->dc_node; fprintf(stream, "\n"); fprintf(stream, "\n", VERSION); /*** SUMMARY ***/ fprintf(stream, " \n"); if (print_last_updated) { time_t now = time(NULL); char *now_str = ctime(&now); now_str[24] = EOS; /* replace the newline */ fprintf(stream, " \n", now_str); } if (print_last_change) { const char *last_written = crm_element_value(data_set->input, XML_CIB_ATTR_WRITTEN); const char *user = crm_element_value(data_set->input, XML_ATTR_UPDATE_USER); const char *client = crm_element_value(data_set->input, XML_ATTR_UPDATE_CLIENT); const char *origin = crm_element_value(data_set->input, XML_ATTR_UPDATE_ORIG); fprintf(stream, " \n", last_written ? last_written : "", user ? user : "", client ? client : "", origin ? origin : ""); } stack = get_xpath_object("//nvpair[@name='cluster-infrastructure']", data_set->input, LOG_DEBUG); if (stack) { fprintf(stream, " \n", crm_element_value(stack, XML_NVPAIR_ATTR_VALUE)); } if (!dc) { fprintf(stream, " \n"); } else { const char *quorum = crm_element_value(data_set->input, XML_ATTR_HAVE_QUORUM); const char *uname = dc->details->uname; const char *id = dc->details->id; xmlNode *dc_version = get_xpath_object("//nvpair[@name='dc-version']", data_set->input, LOG_DEBUG); fprintf(stream, " \n", dc_version ? crm_element_value(dc_version, XML_NVPAIR_ATTR_VALUE) : "", uname, id, quorum ? (crm_is_true(quorum) ? "true" : "false") : "false"); } quorum_node = get_xpath_object("//nvpair[@name='" XML_ATTR_EXPECTED_VOTES "']", data_set->input, LOG_DEBUG); if (quorum_node) { quorum_votes = crm_element_value(quorum_node, XML_NVPAIR_ATTR_VALUE); } fprintf(stream, " \n", g_list_length(data_set->nodes), quorum_votes); fprintf(stream, " \n", count_resources(data_set, NULL)); fprintf(stream, " \n"); /*** NODES ***/ fprintf(stream, " \n"); for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; const char *node_type = "unknown"; switch (node->details->type) { case node_member: node_type = "member"; break; case node_remote: node_type = "remote"; break; case node_ping: node_type = "ping"; break; } fprintf(stream, " details->uname); fprintf(stream, "id=\"%s\" ", node->details->id); fprintf(stream, "online=\"%s\" ", node->details->online ? "true" : "false"); fprintf(stream, "standby=\"%s\" ", node->details->standby ? "true" : "false"); fprintf(stream, "standby_onfail=\"%s\" ", node->details->standby_onfail ? "true" : "false"); fprintf(stream, "maintenance=\"%s\" ", node->details->maintenance ? "true" : "false"); fprintf(stream, "pending=\"%s\" ", node->details->pending ? "true" : "false"); fprintf(stream, "unclean=\"%s\" ", node->details->unclean ? "true" : "false"); fprintf(stream, "shutdown=\"%s\" ", node->details->shutdown ? "true" : "false"); fprintf(stream, "expected_up=\"%s\" ", node->details->expected_up ? "true" : "false"); fprintf(stream, "is_dc=\"%s\" ", node->details->is_dc ? "true" : "false"); fprintf(stream, "resources_running=\"%d\" ", g_list_length(node->details->running_rsc)); fprintf(stream, "type=\"%s\" ", node_type); if (group_by_node) { GListPtr lpc2 = NULL; fprintf(stream, ">\n"); for (lpc2 = node->details->running_rsc; lpc2 != NULL; lpc2 = lpc2->next) { resource_t *rsc = (resource_t *) lpc2->data; rsc->fns->print(rsc, " ", pe_print_xml | pe_print_rsconly, stream); } fprintf(stream, " \n"); } else { fprintf(stream, "/>\n"); } } fprintf(stream, " \n"); /*** RESOURCES ***/ if (group_by_node == FALSE || inactive_resources) { fprintf(stream, " \n"); for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) { resource_t *rsc = (resource_t *) gIter->data; gboolean is_active = rsc->fns->active(rsc, TRUE); gboolean partially_active = rsc->fns->active(rsc, FALSE); if (is_set(rsc->flags, pe_rsc_orphan) && is_active == FALSE) { continue; } else if (group_by_node == FALSE) { if (partially_active || inactive_resources) { rsc->fns->print(rsc, " ", pe_print_xml, stream); } } else if (is_active == FALSE && inactive_resources) { rsc->fns->print(rsc, " ", pe_print_xml, stream); } } fprintf(stream, " \n"); } fprintf(stream, "\n"); fflush(stream); fclose(stream); return 0; } static int print_html_status(pe_working_set_t * data_set, const char *filename, gboolean web_cgi) { FILE *stream; GListPtr gIter = NULL; node_t *dc = NULL; static int updates = 0; char *filename_tmp = NULL; if (web_cgi) { stream = stdout; fprintf(stream, "Content-type: text/html\n\n"); } else { filename_tmp = crm_concat(filename, "tmp", '.'); stream = fopen(filename_tmp, "w"); if (stream == NULL) { crm_perror(LOG_ERR, "Cannot open %s for writing", filename_tmp); free(filename_tmp); return -1; } } updates++; dc = data_set->dc_node; fprintf(stream, ""); fprintf(stream, ""); fprintf(stream, "Cluster status"); /* content="%d;url=http://webdesign.about.com" */ fprintf(stream, "", reconnect_msec / 1000); fprintf(stream, ""); /*** SUMMARY ***/ fprintf(stream, "

Cluster summary

"); { char *now_str = NULL; time_t now = time(NULL); now_str = ctime(&now); now_str[24] = EOS; /* replace the newline */ fprintf(stream, "Last updated: %s
\n", now_str); } if (dc == NULL) { fprintf(stream, "Current DC: NONE
"); } else { fprintf(stream, "Current DC: %s (%s)
", dc->details->uname, dc->details->id); } fprintf(stream, "%d Nodes configured.
", g_list_length(data_set->nodes)); fprintf(stream, "%d Resources configured.
", count_resources(data_set, NULL)); /*** CONFIG ***/ fprintf(stream, "

Config Options

\n"); fprintf(stream, "\n"); fprintf(stream, "\n", is_set(data_set->flags, pe_flag_stonith_enabled) ? "enabled" : "disabled"); fprintf(stream, "\n", is_set(data_set->flags, pe_flag_symmetric_cluster) ? "" : "a-"); fprintf(stream, "\n
STONITH of failed nodes:%s
Cluster is:%ssymmetric
No Quorum Policy:"); switch (data_set->no_quorum_policy) { case no_quorum_freeze: fprintf(stream, "Freeze resources"); break; case no_quorum_stop: fprintf(stream, "Stop ALL resources"); break; case no_quorum_ignore: fprintf(stream, "Ignore"); break; case no_quorum_suicide: fprintf(stream, "Suicide"); break; } fprintf(stream, "\n
\n"); /*** NODE LIST ***/ fprintf(stream, "

Node List

\n"); fprintf(stream, "
    \n"); for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) { node_t *node = (node_t *) gIter->data; fprintf(stream, "
  • "); if (node->details->standby_onfail && node->details->online) { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "standby (on-fail)\n"); } else if (node->details->standby && node->details->online) { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "standby\n"); } else if (node->details->standby) { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "OFFLINE (standby)\n"); } else if (node->details->maintenance && node->details->online) { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "maintenance\n"); } else if (node->details->maintenance) { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "OFFLINE (maintenance)\n"); } else if (node->details->online) { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "online\n"); } else { fprintf(stream, "Node: %s (%s): %s", node->details->uname, node->details->id, "OFFLINE\n"); } if (group_by_node) { GListPtr lpc2 = NULL; fprintf(stream, "
      \n"); for (lpc2 = node->details->running_rsc; lpc2 != NULL; lpc2 = lpc2->next) { resource_t *rsc = (resource_t *) lpc2->data; fprintf(stream, "
    • "); rsc->fns->print(rsc, NULL, pe_print_html | pe_print_rsconly, stream); fprintf(stream, "
      • \n"); } fprintf(stream, "
    \n"); } fprintf(stream, "
    • \n"); } fprintf(stream, "
\n"); if (group_by_node && inactive_resources) { fprintf(stream, "

Inactive Resources

\n"); } else if (group_by_node == FALSE) { fprintf(stream, "

Resource List

\n"); } if (group_by_node == FALSE || inactive_resources) { for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) { resource_t *rsc = (resource_t *) gIter->data; gboolean is_active = rsc->fns->active(rsc, TRUE); gboolean partially_active = rsc->fns->active(rsc, FALSE); if (is_set(rsc->flags, pe_rsc_orphan) && is_active == FALSE) { continue; } else if (group_by_node == FALSE) { if (partially_active || inactive_resources) { rsc->fns->print(rsc, NULL, pe_print_html, stream); } } else if (is_active == FALSE && inactive_resources) { rsc->fns->print(rsc, NULL, pe_print_html, stream); } } } fprintf(stream, ""); fflush(stream); fclose(stream); if (!web_cgi) { if (rename(filename_tmp, filename) != 0) { crm_perror(LOG_ERR, "Unable to rename %s->%s", filename_tmp, filename); } free(filename_tmp); } return 0; } #if ENABLE_SNMP # include # include # include # include # include # include # define add_snmp_field(list, oid_string, value) do { \ oid name[MAX_OID_LEN]; \ size_t name_length = MAX_OID_LEN; \ if (snmp_parse_oid(oid_string, name, &name_length)) { \ int s_rc = snmp_add_var(list, name, name_length, 's', (value)); \ if(s_rc != 0) { \ crm_err("Could not add %s=%s rc=%d", oid_string, value, s_rc); \ } else { \ crm_trace("Added %s=%s", oid_string, value); \ } \ } else { \ crm_err("Could not parse OID: %s", oid_string); \ } \ } while(0) \ # define add_snmp_field_int(list, oid_string, value) do { \ oid name[MAX_OID_LEN]; \ size_t name_length = MAX_OID_LEN; \ if (snmp_parse_oid(oid_string, name, &name_length)) { \ if(NULL == snmp_pdu_add_variable( \ list, name, name_length, ASN_INTEGER, \ (u_char *) & value, sizeof(value))) { \ crm_err("Could not add %s=%d", oid_string, value); \ } else { \ crm_trace("Added %s=%d", oid_string, value); \ } \ } else { \ crm_err("Could not parse OID: %s", oid_string); \ } \ } while(0) \ static int snmp_input(int operation, netsnmp_session * session, int reqid, netsnmp_pdu * pdu, void *magic) { return 1; } static netsnmp_session * crm_snmp_init(const char *target, char *community) { static netsnmp_session *session = NULL; # ifdef NETSNMPV53 char target53[128]; snprintf(target53, sizeof(target53), "%s:162", target); # endif if (session) { return session; } if (target == NULL) { return NULL; } if (get_crm_log_level() > LOG_INFO) { char *debug_tokens = strdup("run:shell,snmptrap,tdomain"); debug_register_tokens(debug_tokens); snmp_set_do_debugging(1); } session = calloc(1, sizeof(netsnmp_session)); snmp_sess_init(session); session->version = SNMP_VERSION_2c; session->callback = snmp_input; session->callback_magic = NULL; if (community) { session->community_len = strlen(community); session->community = (unsigned char *)community; } session = snmp_add(session, # ifdef NETSNMPV53 netsnmp_tdomain_transport(target53, 0, "udp"), # else netsnmp_transport_open_client("snmptrap", target), # endif NULL, NULL); if (session == NULL) { snmp_sess_perror("Could not create snmp transport", session); } return session; } #endif static int send_snmp_trap(const char *node, const char *rsc, const char *task, int target_rc, int rc, int status, const char *desc) { int ret = 1; #if ENABLE_SNMP static oid snmptrap_oid[] = { 1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0 }; static oid sysuptime_oid[] = { 1, 3, 6, 1, 2, 1, 1, 3, 0 }; netsnmp_pdu *trap_pdu; netsnmp_session *session = crm_snmp_init(snmp_target, snmp_community); trap_pdu = snmp_pdu_create(SNMP_MSG_TRAP2); if (!trap_pdu) { crm_err("Failed to create SNMP notification"); return SNMPERR_GENERR; } if (1) { /* send uptime */ char csysuptime[20]; time_t now = time(NULL); sprintf(csysuptime, "%ld", now); snmp_add_var(trap_pdu, sysuptime_oid, sizeof(sysuptime_oid) / sizeof(oid), 't', csysuptime); } /* Indicate what the trap is by setting snmpTrapOid.0 */ ret = snmp_add_var(trap_pdu, snmptrap_oid, sizeof(snmptrap_oid) / sizeof(oid), 'o', snmp_crm_trap_oid); if (ret != 0) { crm_err("Failed set snmpTrapOid.0=%s", snmp_crm_trap_oid); return ret; } /* Add extries to the trap */ if (rsc) { add_snmp_field(trap_pdu, snmp_crm_oid_rsc, rsc); } add_snmp_field(trap_pdu, snmp_crm_oid_node, node); add_snmp_field(trap_pdu, snmp_crm_oid_task, task); add_snmp_field(trap_pdu, snmp_crm_oid_desc, desc); add_snmp_field_int(trap_pdu, snmp_crm_oid_rc, rc); add_snmp_field_int(trap_pdu, snmp_crm_oid_trc, target_rc); add_snmp_field_int(trap_pdu, snmp_crm_oid_status, status); /* Send and cleanup */ ret = snmp_send(session, trap_pdu); if (ret == 0) { /* error */ snmp_sess_perror("Could not send SNMP trap", session); snmp_free_pdu(trap_pdu); ret = SNMPERR_GENERR; } else { ret = SNMPERR_SUCCESS; } #else crm_err("Sending SNMP traps is not supported by this installation"); #endif return ret; } #if ENABLE_ESMTP # include # include static void print_recipient_status(smtp_recipient_t recipient, const char *mailbox, void *arg) { const smtp_status_t *status; status = smtp_recipient_status(recipient); printf("%s: %d %s", mailbox, status->code, status->text); } static void event_cb(smtp_session_t session, int event_no, void *arg, ...) { int *ok; va_list alist; va_start(alist, arg); switch (event_no) { case SMTP_EV_CONNECT: case SMTP_EV_MAILSTATUS: case SMTP_EV_RCPTSTATUS: case SMTP_EV_MESSAGEDATA: case SMTP_EV_MESSAGESENT: case SMTP_EV_DISCONNECT: break; case SMTP_EV_WEAK_CIPHER:{ int bits = va_arg(alist, long); ok = va_arg(alist, int *); crm_debug("SMTP_EV_WEAK_CIPHER, bits=%d - accepted.", bits); *ok = 1; break; } case SMTP_EV_STARTTLS_OK: crm_debug("SMTP_EV_STARTTLS_OK - TLS started here."); break; case SMTP_EV_INVALID_PEER_CERTIFICATE:{ long vfy_result = va_arg(alist, long); ok = va_arg(alist, int *); /* There is a table in handle_invalid_peer_certificate() of mail-file.c */ crm_err("SMTP_EV_INVALID_PEER_CERTIFICATE: %ld", vfy_result); *ok = 1; break; } case SMTP_EV_NO_PEER_CERTIFICATE: ok = va_arg(alist, int *); crm_debug("SMTP_EV_NO_PEER_CERTIFICATE - accepted."); *ok = 1; break; case SMTP_EV_WRONG_PEER_CERTIFICATE: ok = va_arg(alist, int *); crm_debug("SMTP_EV_WRONG_PEER_CERTIFICATE - accepted."); *ok = 1; break; case SMTP_EV_NO_CLIENT_CERTIFICATE: ok = va_arg(alist, int *); crm_debug("SMTP_EV_NO_CLIENT_CERTIFICATE - accepted."); *ok = 1; break; default: crm_debug("Got event: %d - ignored.\n", event_no); } va_end(alist); } #endif #define BODY_MAX 2048 #if ENABLE_ESMTP static void crm_smtp_debug(const char *buf, int buflen, int writing, void *arg) { char type = 0; int lpc = 0, last = 0, level = *(int *)arg; if (writing == SMTP_CB_HEADERS) { type = 'H'; } else if (writing) { type = 'C'; } else { type = 'S'; } for (; lpc < buflen; lpc++) { switch (buf[lpc]) { case 0: case '\n': if (last > 0) { do_crm_log(level, " %.*s", lpc - last, buf + last); } else { do_crm_log(level, "%c: %.*s", type, lpc - last, buf + last); } last = lpc + 1; break; } } } #endif static int send_custom_trap(const char *node, const char *rsc, const char *task, int target_rc, int rc, int status, const char *desc) { pid_t pid; /*setenv needs chars, these are ints */ char *rc_s = crm_itoa(rc); char *status_s = crm_itoa(status); char *target_rc_s = crm_itoa(target_rc); crm_debug("Sending external notification to '%s' via '%s'", external_recipient, external_agent); setenv("CRM_notify_recipient", external_recipient, 1); setenv("CRM_notify_node", node, 1); setenv("CRM_notify_rsc", rsc, 1); setenv("CRM_notify_task", task, 1); setenv("CRM_notify_desc", desc, 1); setenv("CRM_notify_rc", rc_s, 1); setenv("CRM_notify_target_rc", target_rc_s, 1); setenv("CRM_notify_status", status_s, 1); pid = fork(); if (pid == -1) { crm_perror(LOG_ERR, "notification fork() failed."); } if (pid == 0) { /* crm_debug("notification: I am the child. Executing the nofitication program."); */ execl(external_agent, external_agent, NULL); } crm_trace("Finished running custom notification program '%s'.", external_agent); free(target_rc_s); free(status_s); free(rc_s); return 0; } static int send_smtp_trap(const char *node, const char *rsc, const char *task, int target_rc, int rc, int status, const char *desc) { #if ENABLE_ESMTP smtp_session_t session; smtp_message_t message; auth_context_t authctx; struct sigaction sa; int len = 25; /* Note: Check extra padding on the Subject line below */ int noauth = 1; int smtp_debug = LOG_DEBUG; char crm_mail_body[BODY_MAX]; char *crm_mail_subject = NULL; memset(&sa, 0, sizeof(struct sigaction)); if (node == NULL) { node = "-"; } if (rsc == NULL) { rsc = "-"; } if (desc == NULL) { desc = "-"; } if (crm_mail_to == NULL) { return 1; } if (crm_mail_host == NULL) { crm_mail_host = "localhost:25"; } if (crm_mail_prefix == NULL) { crm_mail_prefix = "Cluster notification"; } crm_debug("Sending '%s' mail to %s via %s", crm_mail_prefix, crm_mail_to, crm_mail_host); len += strlen(crm_mail_prefix); len += strlen(task); len += strlen(rsc); len += strlen(node); len += strlen(desc); len++; crm_mail_subject = calloc(1, len); /* If you edit this line, ensure you allocate enough memory for it by altering 'len' above */ snprintf(crm_mail_subject, len, "%s - %s event for %s on %s: %s\r\n", crm_mail_prefix, task, rsc, node, desc); len = 0; len += snprintf(crm_mail_body + len, BODY_MAX - len, "\r\n%s\r\n", crm_mail_prefix); len += snprintf(crm_mail_body + len, BODY_MAX - len, "====\r\n\r\n"); if (rc == target_rc) { len += snprintf(crm_mail_body + len, BODY_MAX - len, "Completed operation %s for resource %s on %s\r\n", task, rsc, node); } else { len += snprintf(crm_mail_body + len, BODY_MAX - len, "Operation %s for resource %s on %s failed: %s\r\n", task, rsc, node, desc); } len += snprintf(crm_mail_body + len, BODY_MAX - len, "\r\nDetails:\r\n"); len += snprintf(crm_mail_body + len, BODY_MAX - len, "\toperation status: (%d) %s\r\n", status, services_lrm_status_str(status)); if (status == PCMK_LRM_OP_DONE) { len += snprintf(crm_mail_body + len, BODY_MAX - len, "\tscript returned: (%d) %s\r\n", rc, services_ocf_exitcode_str(rc)); len += snprintf(crm_mail_body + len, BODY_MAX - len, "\texpected return value: (%d) %s\r\n", target_rc, services_ocf_exitcode_str(target_rc)); } auth_client_init(); session = smtp_create_session(); message = smtp_add_message(session); smtp_starttls_enable(session, Starttls_ENABLED); sa.sa_handler = SIG_IGN; sigemptyset(&sa.sa_mask); sa.sa_flags = 0; sigaction(SIGPIPE, &sa, NULL); smtp_set_server(session, crm_mail_host); authctx = auth_create_context(); auth_set_mechanism_flags(authctx, AUTH_PLUGIN_PLAIN, 0); smtp_set_eventcb(session, event_cb, NULL); /* Now tell libESMTP it can use the SMTP AUTH extension. */ if (!noauth) { crm_debug("Adding authentication context"); smtp_auth_set_context(session, authctx); } if (crm_mail_from == NULL) { struct utsname us; char auto_from[BODY_MAX]; CRM_ASSERT(uname(&us) == 0); snprintf(auto_from, BODY_MAX, "crm_mon@%s", us.nodename); smtp_set_reverse_path(message, auto_from); } else { /* NULL is ok */ smtp_set_reverse_path(message, crm_mail_from); } smtp_set_header(message, "To", NULL /*phrase */ , NULL /*addr */ ); /* "Phrase" */ smtp_add_recipient(message, crm_mail_to); /* Set the Subject: header and override any subject line in the message headers. */ smtp_set_header(message, "Subject", crm_mail_subject); smtp_set_header_option(message, "Subject", Hdr_OVERRIDE, 1); smtp_set_message_str(message, crm_mail_body); smtp_set_monitorcb(session, crm_smtp_debug, &smtp_debug, 1); if (smtp_start_session(session)) { char buf[128]; int rc = smtp_errno(); crm_err("SMTP server problem: %s (%d)", smtp_strerror(rc, buf, sizeof buf), rc); } else { char buf[128]; int rc = smtp_errno(); const smtp_status_t *smtp_status = smtp_message_transfer_status(message); if (rc != 0) { crm_err("SMTP server problem: %s (%d)", smtp_strerror(rc, buf, sizeof buf), rc); } crm_info("Send status: %d %s", smtp_status->code, crm_str(smtp_status->text)); smtp_enumerate_recipients(message, print_recipient_status, NULL); } smtp_destroy_session(session); auth_destroy_context(authctx); auth_client_exit(); #endif return 0; } static void handle_rsc_op(xmlNode * rsc_op) { int rc = -1; int status = -1; int action = -1; int interval = 0; int target_rc = -1; int transition_num = -1; gboolean notify = TRUE; char *rsc = NULL; char *task = NULL; const char *desc = NULL; const char *node = NULL; const char *magic = NULL; const char *id = crm_element_value(rsc_op, XML_LRM_ATTR_TASK_KEY); char *update_te_uuid = NULL; xmlNode *n = rsc_op; if (id == NULL) { /* Compatability with <= 1.1.5 */ id = ID(rsc_op); } magic = crm_element_value(rsc_op, XML_ATTR_TRANSITION_MAGIC); if (magic == NULL) { /* non-change */ return; } if (FALSE == decode_transition_magic(magic, &update_te_uuid, &transition_num, &action, &status, &rc, &target_rc)) { crm_err("Invalid event %s detected for %s", magic, id); return; } if (parse_op_key(id, &rsc, &task, &interval) == FALSE) { crm_err("Invalid event detected for %s", id); goto bail; } while (n != NULL && safe_str_neq(XML_CIB_TAG_STATE, TYPE(n))) { n = n->parent; } node = crm_element_value(n, XML_ATTR_UNAME); if (node == NULL) { node = ID(n); } if (node == NULL) { crm_err("No node detected for event %s (%s)", magic, id); goto bail; } /* look up where we expected it to be? */ desc = pcmk_strerror(pcmk_ok); if (status == PCMK_LRM_OP_DONE && target_rc == rc) { crm_notice("%s of %s on %s completed: %s", task, rsc, node, desc); if (rc == PCMK_OCF_NOT_RUNNING) { notify = FALSE; } } else if (status == PCMK_LRM_OP_DONE) { desc = services_ocf_exitcode_str(rc); crm_warn("%s of %s on %s failed: %s", task, rsc, node, desc); } else { desc = services_lrm_status_str(status); crm_warn("%s of %s on %s failed: %s", task, rsc, node, desc); } if (notify && snmp_target) { send_snmp_trap(node, rsc, task, target_rc, rc, status, desc); } if (notify && crm_mail_to) { send_smtp_trap(node, rsc, task, target_rc, rc, status, desc); } if (notify && external_agent) { send_custom_trap(node, rsc, task, target_rc, rc, status, desc); } bail: free(update_te_uuid); free(rsc); free(task); } static gboolean mon_trigger_refresh(gpointer user_data) { mainloop_set_trigger(refresh_trigger); return FALSE; } void crm_diff_update(const char *event, xmlNode * msg) { int rc = -1; long now = time(NULL); static bool stale = FALSE; static int updates = 0; static mainloop_timer_t *refresh_timer = NULL; print_dot(); if(refresh_timer == NULL) { refresh_timer = mainloop_timer_add("refresh", 2000, FALSE, mon_trigger_refresh, NULL); } if (current_cib != NULL) { xmlNode *cib_last = current_cib; current_cib = NULL; rc = cib_apply_patch_event(msg, cib_last, ¤t_cib, LOG_DEBUG); free_xml(cib_last); switch (rc) { case -pcmk_err_diff_resync: case -pcmk_err_diff_failed: crm_notice("[%s] Patch aborted: %s (%d)", event, pcmk_strerror(rc), rc); + break; case pcmk_ok: updates++; break; default: crm_notice("[%s] ABORTED: %s (%d)", event, pcmk_strerror(rc), rc); } } if (current_cib == NULL) { current_cib = get_cib_copy(cib); } if (crm_mail_to || snmp_target || external_agent) { /* Process operation updates */ xmlXPathObject *xpathObj = xpath_search(msg, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_LRM_TAG_RSC_OP); int lpc = 0, max = numXpathResults(xpathObj); for (lpc = 0; lpc < max; lpc++) { xmlNode *rsc_op = getXpathResult(xpathObj, lpc); handle_rsc_op(rsc_op); } freeXpathObject(xpathObj); } if (current_cib == NULL) { if(!stale) { print_as("--- Stale data ---"); } stale = TRUE; return; } stale = FALSE; /* Refresh * - immediately if the last update was more than 5s ago * - every 10 updates * - at most 2s after the last update */ if ((now - last_refresh) > (reconnect_msec / 1000)) { mainloop_set_trigger(refresh_trigger); mainloop_timer_stop(refresh_timer); updates = 0; } else if(updates > 10) { mainloop_set_trigger(refresh_trigger); mainloop_timer_stop(refresh_timer); updates = 0; } else { mainloop_timer_start(refresh_timer); } } gboolean mon_refresh_display(gpointer user_data) { xmlNode *cib_copy = copy_xml(current_cib); pe_working_set_t data_set; last_refresh = time(NULL); if (cli_config_update(&cib_copy, NULL, FALSE) == FALSE) { if (cib) { cib->cmds->signoff(cib); } print_as("Upgrade failed: %s", pcmk_strerror(-pcmk_err_dtd_validation)); if (as_console) { sleep(2); } clean_up(EX_USAGE); return FALSE; } set_working_set_defaults(&data_set); data_set.input = cib_copy; cluster_status(&data_set); if (as_html_file || web_cgi) { if (print_html_status(&data_set, as_html_file, web_cgi) != 0) { fprintf(stderr, "Critical: Unable to output html file\n"); clean_up(EX_USAGE); } } else if (as_xml) { if (print_xml_status(&data_set) != 0) { fprintf(stderr, "Critical: Unable to output xml file\n"); clean_up(EX_USAGE); } } else if (daemonize) { /* do nothing */ } else if (simple_status) { print_simple_status(&data_set); if (has_warnings) { clean_up(EX_USAGE); } } else { print_status(&data_set); } cleanup_calculations(&data_set); return TRUE; } void mon_st_callback(stonith_t * st, stonith_event_t * e) { char *desc = g_strdup_printf("Operation %s requested by %s for peer %s: %s (ref=%s)", e->operation, e->origin, e->target, pcmk_strerror(e->result), e->id); if (snmp_target) { send_snmp_trap(e->target, NULL, e->operation, pcmk_ok, e->result, 0, desc); } if (crm_mail_to) { send_smtp_trap(e->target, NULL, e->operation, pcmk_ok, e->result, 0, desc); } if (external_agent) { send_custom_trap(e->target, NULL, e->operation, pcmk_ok, e->result, 0, desc); } g_free(desc); } /* * De-init ncurses, signoff from the CIB and deallocate memory. */ void clean_up(int rc) { #if ENABLE_SNMP netsnmp_session *session = crm_snmp_init(NULL, NULL); if (session) { snmp_close(session); snmp_shutdown("snmpapp"); } #endif #if CURSES_ENABLED if (as_console) { as_console = FALSE; echo(); nocbreak(); endwin(); } #endif if (cib != NULL) { cib->cmds->signoff(cib); cib_delete(cib); cib = NULL; } free(as_html_file); free(xml_file); free(pid_file); if (rc >= 0) { crm_exit(rc); } return; }