daemons/controld/controld_execd

/* */
This source file includes following definitions.
free_rsc_info
free_deletion_op
free_recurring_op
fail_pending_op
lrm_state_is_local
lrm_state_create
lrm_state_destroy
remote_proxy_remove_by_node
internal_lrm_state_destroy
lrm_state_reset_tables
lrm_state_init_local
lrm_state_destroy_all
lrm_state_find
lrm_state_find_or_create
lrm_state_get_list
find_connected_proxy_by_node
remote_proxy_disconnect_by_node
lrm_state_disconnect_only
lrm_state_disconnect
lrm_state_is_connected
lrm_state_poke_connection
lrm_state_ipc_connect
crmd_remote_proxy_new
crmd_is_proxy_session
crmd_proxy_send
crmd_proxy_dispatch
remote_config_check
crmd_remote_proxy_cb
lrm_state_remote_connect_async
lrm_state_get_metadata
lrm_state_cancel
lrm_state_get_rsc_info
lrm_state_exec
lrm_state_register_rsc
lrm_state_unregister_rsc
crmd_unpack_alerts
crmd_alert_node_event
crmd_alert_fencing_op
crmd_alert_resource_op
   1 /*
   2  * Copyright 2012-2021 the Pacemaker project contributors
   3  *
   4  * The version control history for this file may have further details.
   5  *
   6  * This source code is licensed under the GNU General Public License version 2
   7  * or later (GPLv2+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #include <crm_internal.h>
  11 #include <crm/crm.h>
  12 #include <crm/msg_xml.h>
  13 #include <crm/common/iso8601.h>
  14 #include <crm/pengine/rules.h>
  15 #include <crm/pengine/rules_internal.h>
  16 #include <crm/lrmd_internal.h>
  17 
  18 #include <pacemaker-internal.h>
  19 #include <pacemaker-controld.h>
  20 
  21 GHashTable *lrm_state_table = NULL;
  22 extern GHashTable *proxy_table;
  23 int lrmd_internal_proxy_send(lrmd_t * lrmd, xmlNode *msg);
  24 void lrmd_internal_set_proxy_callback(lrmd_t * lrmd, void *userdata, void (*callback)(lrmd_t *lrmd, void *userdata, xmlNode *msg));
  25 
  26 static void
  27 free_rsc_info(gpointer value)
     /*  */
  28 {
  29     lrmd_rsc_info_t *rsc_info = value;
  30 
  31     lrmd_free_rsc_info(rsc_info);
  32 }
  33 
  34 static void
  35 free_deletion_op(gpointer value)
     /*  */
  36 {
  37     struct pending_deletion_op_s *op = value;
  38 
  39     free(op->rsc);
  40     delete_ha_msg_input(op->input);
  41     free(op);
  42 }
  43 
  44 static void
  45 free_recurring_op(gpointer value)
     /*  */
  46 {
  47     active_op_t *op = value;
  48 
  49     free(op->user_data);
  50     free(op->rsc_id);
  51     free(op->op_type);
  52     free(op->op_key);
  53     if (op->params) {
  54         g_hash_table_destroy(op->params);
  55     }
  56     free(op);
  57 }
  58 
  59 static gboolean
  60 fail_pending_op(gpointer key, gpointer value, gpointer user_data)
     /*  */
  61 {
  62     lrmd_event_data_t event = { 0, };
  63     lrm_state_t *lrm_state = user_data;
  64     active_op_t *op = value;
  65 
  66     crm_trace("Pre-emptively failing " PCMK__OP_FMT " on %s (call=%s, %s)",
  67               op->rsc_id, op->op_type, op->interval_ms,
  68               lrm_state->node_name, (char*)key, op->user_data);
  69 
  70     event.type = lrmd_event_exec_complete;
  71     event.rsc_id = op->rsc_id;
  72     event.op_type = op->op_type;
  73     event.user_data = op->user_data;
  74     event.timeout = 0;
  75     event.interval_ms = op->interval_ms;
  76     event.rc = PCMK_OCF_UNKNOWN_ERROR;
  77     event.op_status = PCMK_LRM_OP_NOT_CONNECTED;
  78     event.t_run = (unsigned int) op->start_time;
  79     event.t_rcchange = (unsigned int) op->start_time;
  80 
  81     event.call_id = op->call_id;
  82     event.remote_nodename = lrm_state->node_name;
  83     event.params = op->params;
  84 
  85     process_lrm_event(lrm_state, &event, op, NULL);
  86     return TRUE;
  87 }
  88 
  89 gboolean
  90 lrm_state_is_local(lrm_state_t *lrm_state)
     /*  */
  91 {
  92     if (lrm_state == NULL || fsa_our_uname == NULL) {
  93         return FALSE;
  94     }
  95 
  96     if (strcmp(lrm_state->node_name, fsa_our_uname) != 0) {
  97         return FALSE;
  98     }
  99 
 100     return TRUE;
 101 
 102 }
 103 
 104 lrm_state_t *
 105 lrm_state_create(const char *node_name)
     /*  */
 106 {
 107     lrm_state_t *state = NULL;
 108 
 109     if (!node_name) {
 110         crm_err("No node name given for lrm state object");
 111         return NULL;
 112     }
 113 
 114     state = calloc(1, sizeof(lrm_state_t));
 115     if (!state) {
 116         return NULL;
 117     }
 118 
 119     state->node_name = strdup(node_name);
 120     state->rsc_info_cache = pcmk__strkey_table(NULL, free_rsc_info);
 121     state->deletion_ops = pcmk__strkey_table(free, free_deletion_op);
 122     state->pending_ops = pcmk__strkey_table(free, free_recurring_op);
 123     state->resource_history = pcmk__strkey_table(NULL, history_free);
 124     state->metadata_cache = metadata_cache_new();
 125 
 126     g_hash_table_insert(lrm_state_table, (char *)state->node_name, state);
 127     return state;
 128 }
 129 
 130 void
 131 lrm_state_destroy(const char *node_name)
     /*  */
 132 {
 133     g_hash_table_remove(lrm_state_table, node_name);
 134 }
 135 
 136 static gboolean
 137 remote_proxy_remove_by_node(gpointer key, gpointer value, gpointer user_data)
     /*  */
 138 {
 139     remote_proxy_t *proxy = value;
 140     const char *node_name = user_data;
 141 
 142     if (pcmk__str_eq(node_name, proxy->node_name, pcmk__str_casei)) {
 143         return TRUE;
 144     }
 145 
 146     return FALSE;
 147 }
 148 
 149 static void
 150 internal_lrm_state_destroy(gpointer data)
     /*  */
 151 {
 152     lrm_state_t *lrm_state = data;
 153 
 154     if (!lrm_state) {
 155         return;
 156     }
 157 
 158     crm_trace("Destroying proxy table %s with %d members", lrm_state->node_name, g_hash_table_size(proxy_table));
 159     g_hash_table_foreach_remove(proxy_table, remote_proxy_remove_by_node, (char *) lrm_state->node_name);
 160     remote_ra_cleanup(lrm_state);
 161     lrmd_api_delete(lrm_state->conn);
 162 
 163     if (lrm_state->rsc_info_cache) {
 164         crm_trace("Destroying rsc info cache with %d members", g_hash_table_size(lrm_state->rsc_info_cache));
 165         g_hash_table_destroy(lrm_state->rsc_info_cache);
 166     }
 167     if (lrm_state->resource_history) {
 168         crm_trace("Destroying history op cache with %d members", g_hash_table_size(lrm_state->resource_history));
 169         g_hash_table_destroy(lrm_state->resource_history);
 170     }
 171     if (lrm_state->deletion_ops) {
 172         crm_trace("Destroying deletion op cache with %d members", g_hash_table_size(lrm_state->deletion_ops));
 173         g_hash_table_destroy(lrm_state->deletion_ops);
 174     }
 175     if (lrm_state->pending_ops) {
 176         crm_trace("Destroying pending op cache with %d members", g_hash_table_size(lrm_state->pending_ops));
 177         g_hash_table_destroy(lrm_state->pending_ops);
 178     }
 179     metadata_cache_free(lrm_state->metadata_cache);
 180 
 181     free((char *)lrm_state->node_name);
 182     free(lrm_state);
 183 }
 184 
 185 void
 186 lrm_state_reset_tables(lrm_state_t * lrm_state, gboolean reset_metadata)
     /*  */
 187 {
 188     if (lrm_state->resource_history) {
 189         crm_trace("Re-setting history op cache with %d members",
 190                   g_hash_table_size(lrm_state->resource_history));
 191         g_hash_table_remove_all(lrm_state->resource_history);
 192     }
 193     if (lrm_state->deletion_ops) {
 194         crm_trace("Re-setting deletion op cache with %d members",
 195                   g_hash_table_size(lrm_state->deletion_ops));
 196         g_hash_table_remove_all(lrm_state->deletion_ops);
 197     }
 198     if (lrm_state->pending_ops) {
 199         crm_trace("Re-setting pending op cache with %d members",
 200                   g_hash_table_size(lrm_state->pending_ops));
 201         g_hash_table_remove_all(lrm_state->pending_ops);
 202     }
 203     if (lrm_state->rsc_info_cache) {
 204         crm_trace("Re-setting rsc info cache with %d members",
 205                   g_hash_table_size(lrm_state->rsc_info_cache));
 206         g_hash_table_remove_all(lrm_state->rsc_info_cache);
 207     }
 208     if (reset_metadata) {
 209         metadata_cache_reset(lrm_state->metadata_cache);
 210     }
 211 }
 212 
 213 gboolean
 214 lrm_state_init_local(void)
     /*  */
 215 {
 216     if (lrm_state_table) {
 217         return TRUE;
 218     }
 219 
 220     lrm_state_table = pcmk__strikey_table(NULL, internal_lrm_state_destroy);
 221     if (!lrm_state_table) {
 222         return FALSE;
 223     }
 224 
 225     proxy_table = pcmk__strikey_table(NULL, remote_proxy_free);
 226     if (!proxy_table) {
 227         g_hash_table_destroy(lrm_state_table);
 228         lrm_state_table = NULL;
 229         return FALSE;
 230     }
 231 
 232     return TRUE;
 233 }
 234 
 235 void
 236 lrm_state_destroy_all(void)
     /*  */
 237 {
 238     if (lrm_state_table) {
 239         crm_trace("Destroying state table with %d members", g_hash_table_size(lrm_state_table));
 240         g_hash_table_destroy(lrm_state_table); lrm_state_table = NULL;
 241     }
 242     if(proxy_table) {
 243         crm_trace("Destroying proxy table with %d members", g_hash_table_size(proxy_table));
 244         g_hash_table_destroy(proxy_table); proxy_table = NULL;
 245     }
 246 }
 247 
 248 lrm_state_t *
 249 lrm_state_find(const char *node_name)
     /*  */
 250 {
 251     if (!node_name) {
 252         return NULL;
 253     }
 254     return g_hash_table_lookup(lrm_state_table, node_name);
 255 }
 256 
 257 lrm_state_t *
 258 lrm_state_find_or_create(const char *node_name)
     /*  */
 259 {
 260     lrm_state_t *lrm_state;
 261 
 262     lrm_state = g_hash_table_lookup(lrm_state_table, node_name);
 263     if (!lrm_state) {
 264         lrm_state = lrm_state_create(node_name);
 265     }
 266 
 267     return lrm_state;
 268 }
 269 
 270 GList *
 271 lrm_state_get_list(void)
     /*  */
 272 {
 273     return g_hash_table_get_values(lrm_state_table);
 274 }
 275 
 276 static remote_proxy_t *
 277 find_connected_proxy_by_node(const char * node_name)
     /*  */
 278 {
 279     GHashTableIter gIter;
 280     remote_proxy_t *proxy = NULL;
 281 
 282     CRM_CHECK(proxy_table != NULL, return NULL);
 283 
 284     g_hash_table_iter_init(&gIter, proxy_table);
 285 
 286     while (g_hash_table_iter_next(&gIter, NULL, (gpointer *) &proxy)) {
 287         if (proxy->source
 288             && pcmk__str_eq(node_name, proxy->node_name, pcmk__str_casei)) {
 289             return proxy;
 290         }
 291     }
 292 
 293     return NULL;
 294 }
 295 
 296 static void
 297 remote_proxy_disconnect_by_node(const char * node_name)
     /*  */
 298 {
 299     remote_proxy_t *proxy = NULL;
 300 
 301     CRM_CHECK(proxy_table != NULL, return);
 302 
 303     while ((proxy = find_connected_proxy_by_node(node_name)) != NULL) {
 304         /* mainloop_del_ipc_client() eventually calls remote_proxy_disconnected()
 305          * , which removes the entry from proxy_table.
 306          * Do not do this in a g_hash_table_iter_next() loop. */
 307         if (proxy->source) {
 308             mainloop_del_ipc_client(proxy->source);
 309         }
 310     }
 311 
 312     return;
 313 }
 314 
 315 void
 316 lrm_state_disconnect_only(lrm_state_t * lrm_state)
     /*  */
 317 {
 318     int removed = 0;
 319 
 320     if (!lrm_state->conn) {
 321         return;
 322     }
 323     crm_trace("Disconnecting %s", lrm_state->node_name);
 324 
 325     remote_proxy_disconnect_by_node(lrm_state->node_name);
 326 
 327     ((lrmd_t *) lrm_state->conn)->cmds->disconnect(lrm_state->conn);
 328 
 329     if (!pcmk_is_set(fsa_input_register, R_SHUTDOWN)) {
 330         removed = g_hash_table_foreach_remove(lrm_state->pending_ops, fail_pending_op, lrm_state);
 331         crm_trace("Synthesized %d operation failures for %s", removed, lrm_state->node_name);
 332     }
 333 }
 334 
 335 void
 336 lrm_state_disconnect(lrm_state_t * lrm_state)
     /*  */
 337 {
 338     if (!lrm_state->conn) {
 339         return;
 340     }
 341 
 342     lrm_state_disconnect_only(lrm_state);
 343 
 344     lrmd_api_delete(lrm_state->conn);
 345     lrm_state->conn = NULL;
 346 }
 347 
 348 int
 349 lrm_state_is_connected(lrm_state_t * lrm_state)
     /*  */
 350 {
 351     if (!lrm_state->conn) {
 352         return FALSE;
 353     }
 354     return ((lrmd_t *) lrm_state->conn)->cmds->is_connected(lrm_state->conn);
 355 }
 356 
 357 int
 358 lrm_state_poke_connection(lrm_state_t * lrm_state)
     /*  */
 359 {
 360 
 361     if (!lrm_state->conn) {
 362         return -1;
 363     }
 364     return ((lrmd_t *) lrm_state->conn)->cmds->poke_connection(lrm_state->conn);
 365 }
 366 
 367 int
 368 lrm_state_ipc_connect(lrm_state_t * lrm_state)
     /*  */
 369 {
 370     int ret;
 371 
 372     if (!lrm_state->conn) {
 373         lrm_state->conn = lrmd_api_new();
 374         ((lrmd_t *) lrm_state->conn)->cmds->set_callback(lrm_state->conn, lrm_op_callback);
 375     }
 376 
 377     ret = ((lrmd_t *) lrm_state->conn)->cmds->connect(lrm_state->conn, CRM_SYSTEM_CRMD, NULL);
 378 
 379     if (ret != pcmk_ok) {
 380         lrm_state->num_lrm_register_fails++;
 381     } else {
 382         lrm_state->num_lrm_register_fails = 0;
 383     }
 384 
 385     return ret;
 386 }
 387 
 388 static remote_proxy_t *
 389 crmd_remote_proxy_new(lrmd_t *lrmd, const char *node_name, const char *session_id, const char *channel)
     /*  */
 390 {
 391     struct ipc_client_callbacks proxy_callbacks = {
 392         .dispatch = remote_proxy_dispatch,
 393         .destroy = remote_proxy_disconnected
 394     };
 395     remote_proxy_t *proxy = remote_proxy_new(lrmd, &proxy_callbacks, node_name,
 396                                              session_id, channel);
 397     return proxy;
 398 }
 399 
 400 gboolean
 401 crmd_is_proxy_session(const char *session)
     /*  */
 402 {
 403     return g_hash_table_lookup(proxy_table, session) ? TRUE : FALSE;
 404 }
 405 
 406 void
 407 crmd_proxy_send(const char *session, xmlNode *msg)
     /*  */
 408 {
 409     remote_proxy_t *proxy = g_hash_table_lookup(proxy_table, session);
 410     lrm_state_t *lrm_state = NULL;
 411 
 412     if (!proxy) {
 413         return;
 414     }
 415     crm_log_xml_trace(msg, "to-proxy");
 416     lrm_state = lrm_state_find(proxy->node_name);
 417     if (lrm_state) {
 418         crm_trace("Sending event to %.8s on %s", proxy->session_id, proxy->node_name);
 419         remote_proxy_relay_event(proxy, msg);
 420     }
 421 }
 422 
 423 static void
 424 crmd_proxy_dispatch(const char *session, xmlNode *msg)
     /*  */
 425 {
 426     crm_trace("Processing proxied IPC message from session %s", session);
 427     crm_log_xml_trace(msg, "controller[inbound]");
 428     crm_xml_add(msg, F_CRM_SYS_FROM, session);
 429     if (controld_authorize_ipc_message(msg, NULL, session)) {
 430         route_message(C_IPC_MESSAGE, msg);
 431     }
 432     trigger_fsa();
 433 }
 434 
 435 static void
 436 remote_config_check(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
     /*  */
 437 {
 438     if (rc != pcmk_ok) {
 439         crm_err("Query resulted in an error: %s", pcmk_strerror(rc));
 440 
 441         if (rc == -EACCES || rc == -pcmk_err_schema_validation) {
 442             crm_err("The cluster is mis-configured - shutting down and staying down");
 443         }
 444 
 445     } else {
 446         lrmd_t * lrmd = (lrmd_t *)user_data;
 447         crm_time_t *now = crm_time_new(NULL);
 448         GHashTable *config_hash = pcmk__strkey_table(free, free);
 449 
 450         crm_debug("Call %d : Parsing CIB options", call_id);
 451 
 452         pe_unpack_nvpairs(output, output, XML_CIB_TAG_PROPSET, NULL,
 453                           config_hash, CIB_OPTIONS_FIRST, FALSE, now, NULL);
 454 
 455         /* Now send it to the remote peer */
 456         lrmd__validate_remote_settings(lrmd, config_hash);
 457 
 458         g_hash_table_destroy(config_hash);
 459         crm_time_free(now);
 460     }
 461 }
 462 
 463 static void
 464 crmd_remote_proxy_cb(lrmd_t *lrmd, void *userdata, xmlNode *msg)
     /*  */
 465 {
 466     lrm_state_t *lrm_state = userdata;
 467     const char *session = crm_element_value(msg, F_LRMD_IPC_SESSION);
 468     remote_proxy_t *proxy = g_hash_table_lookup(proxy_table, session);
 469 
 470     const char *op = crm_element_value(msg, F_LRMD_IPC_OP);
 471     if (pcmk__str_eq(op, LRMD_IPC_OP_NEW, pcmk__str_casei)) {
 472         const char *channel = crm_element_value(msg, F_LRMD_IPC_IPC_SERVER);
 473 
 474         proxy = crmd_remote_proxy_new(lrmd, lrm_state->node_name, session, channel);
 475         if (!remote_ra_controlling_guest(lrm_state)) {
 476             if (proxy != NULL) {
 477                 /* Look up stonith-watchdog-timeout and send to the remote peer for validation */
 478                 int rc = fsa_cib_conn->cmds->query(fsa_cib_conn, XML_CIB_TAG_CRMCONFIG, NULL, cib_scope_local);
 479                 fsa_cib_conn->cmds->register_callback_full(fsa_cib_conn, rc, 10, FALSE, lrmd,
 480                                                         "remote_config_check", remote_config_check, NULL);
 481             }
 482         } else {
 483             crm_debug("Skipping remote_config_check for guest-nodes");
 484         }
 485 
 486     } else if (pcmk__str_eq(op, LRMD_IPC_OP_SHUTDOWN_REQ, pcmk__str_casei)) {
 487         char *now_s = NULL;
 488 
 489         crm_notice("%s requested shutdown of its remote connection",
 490                    lrm_state->node_name);
 491 
 492         if (!remote_ra_is_in_maintenance(lrm_state)) {
 493             now_s = pcmk__ttoa(time(NULL));
 494             update_attrd(lrm_state->node_name, XML_CIB_ATTR_SHUTDOWN, now_s, NULL, TRUE);
 495             free(now_s);
 496 
 497             remote_proxy_ack_shutdown(lrmd);
 498 
 499             crm_warn("Reconnection attempts to %s may result in failures that must be cleared",
 500                     lrm_state->node_name);
 501         } else {
 502             remote_proxy_nack_shutdown(lrmd);
 503 
 504             crm_notice("Remote resource for %s is not managed so no ordered shutdown happening",
 505                     lrm_state->node_name);
 506         }
 507         return;
 508 
 509     } else if (pcmk__str_eq(op, LRMD_IPC_OP_REQUEST, pcmk__str_casei) && proxy && proxy->is_local) {
 510         /* This is for the controller, which we are, so don't try
 511          * to send to ourselves over IPC -- do it directly.
 512          */
 513         int flags = 0;
 514         xmlNode *request = get_message_xml(msg, F_LRMD_IPC_MSG);
 515 
 516         CRM_CHECK(request != NULL, return);
 517         CRM_CHECK(lrm_state->node_name, return);
 518         crm_xml_add(request, XML_ACL_TAG_ROLE, "pacemaker-remote");
 519         pcmk__update_acl_user(request, F_LRMD_IPC_USER, lrm_state->node_name);
 520 
 521         /* Pacemaker Remote nodes don't know their own names (as known to the
 522          * cluster). When getting a node info request with no name or ID, add
 523          * the name, so we don't return info for ourselves instead of the
 524          * Pacemaker Remote node.
 525          */
 526         if (pcmk__str_eq(crm_element_value(request, F_CRM_TASK), CRM_OP_NODE_INFO, pcmk__str_casei)) {
 527             int node_id = 0;
 528 
 529             crm_element_value_int(request, XML_ATTR_ID, &node_id);
 530             if ((node_id <= 0)
 531                 && (crm_element_value(request, XML_ATTR_UNAME) == NULL)) {
 532                 crm_xml_add(request, XML_ATTR_UNAME, lrm_state->node_name);
 533             }
 534         }
 535 
 536         crmd_proxy_dispatch(session, request);
 537 
 538         crm_element_value_int(msg, F_LRMD_IPC_MSG_FLAGS, &flags);
 539         if (flags & crm_ipc_client_response) {
 540             int msg_id = 0;
 541             xmlNode *op_reply = create_xml_node(NULL, "ack");
 542 
 543             crm_xml_add(op_reply, "function", __func__);
 544             crm_xml_add_int(op_reply, "line", __LINE__);
 545 
 546             crm_element_value_int(msg, F_LRMD_IPC_MSG_ID, &msg_id);
 547             remote_proxy_relay_response(proxy, op_reply, msg_id);
 548 
 549             free_xml(op_reply);
 550         }
 551 
 552     } else {
 553         remote_proxy_cb(lrmd, lrm_state->node_name, msg);
 554     }
 555 }
 556 
 557 
 558 int
 559 lrm_state_remote_connect_async(lrm_state_t * lrm_state, const char *server, int port,
     /*  */
 560                                int timeout_ms)
 561 {
 562     int ret;
 563 
 564     if (!lrm_state->conn) {
 565         lrm_state->conn = lrmd_remote_api_new(lrm_state->node_name, server, port);
 566         if (!lrm_state->conn) {
 567             return -1;
 568         }
 569         ((lrmd_t *) lrm_state->conn)->cmds->set_callback(lrm_state->conn, remote_lrm_op_callback);
 570         lrmd_internal_set_proxy_callback(lrm_state->conn, lrm_state, crmd_remote_proxy_cb);
 571     }
 572 
 573     crm_trace("initiating remote connection to %s at %d with timeout %d", server, port, timeout_ms);
 574     ret =
 575         ((lrmd_t *) lrm_state->conn)->cmds->connect_async(lrm_state->conn, lrm_state->node_name,
 576                                                           timeout_ms);
 577 
 578     if (ret != pcmk_ok) {
 579         lrm_state->num_lrm_register_fails++;
 580     } else {
 581         lrm_state->num_lrm_register_fails = 0;
 582     }
 583 
 584     return ret;
 585 }
 586 
 587 int
 588 lrm_state_get_metadata(lrm_state_t * lrm_state,
     /*  */
 589                        const char *class,
 590                        const char *provider,
 591                        const char *agent, char **output, enum lrmd_call_options options)
 592 {
 593     lrmd_key_value_t *params = NULL;
 594 
 595     if (!lrm_state->conn) {
 596         return -ENOTCONN;
 597     }
 598 
 599     /* Add the node name to the environment, as is done with normal resource
 600      * action calls. Meta-data calls shouldn't need it, but some agents are
 601      * written with an ocf_local_nodename call at the beginning regardless of
 602      * action. Without the environment variable, the agent would try to contact
 603      * the controller to get the node name -- but the controller would be
 604      * blocking on the synchronous meta-data call.
 605      *
 606      * At this point, we have to assume that agents are unlikely to make other
 607      * calls that require the controller, such as crm_node --quorum or
 608      * --cluster-id.
 609      *
 610      * @TODO Make meta-data calls asynchronous. (This will be part of a larger
 611      * project to make meta-data calls via the executor rather than directly.)
 612      */
 613     params = lrmd_key_value_add(params, CRM_META "_" XML_LRM_ATTR_TARGET,
 614                                 lrm_state->node_name);
 615 
 616     return ((lrmd_t *) lrm_state->conn)->cmds->get_metadata_params(lrm_state->conn,
 617             class, provider, agent, output, options, params);
 618 }
 619 
 620 int
 621 lrm_state_cancel(lrm_state_t *lrm_state, const char *rsc_id, const char *action,
     /*  */
 622                  guint interval_ms)
 623 {
 624     if (!lrm_state->conn) {
 625         return -ENOTCONN;
 626     }
 627 
 628     /* Figure out a way to make this async?
 629      * NOTICE: Currently it's synced and directly acknowledged in do_lrm_invoke(). */
 630     if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) {
 631         return remote_ra_cancel(lrm_state, rsc_id, action, interval_ms);
 632     }
 633     return ((lrmd_t *) lrm_state->conn)->cmds->cancel(lrm_state->conn, rsc_id,
 634                                                       action, interval_ms);
 635 }
 636 
 637 lrmd_rsc_info_t *
 638 lrm_state_get_rsc_info(lrm_state_t * lrm_state, const char *rsc_id, enum lrmd_call_options options)
     /*  */
 639 {
 640     lrmd_rsc_info_t *rsc = NULL;
 641 
 642     if (!lrm_state->conn) {
 643         return NULL;
 644     }
 645     if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) {
 646         return remote_ra_get_rsc_info(lrm_state, rsc_id);
 647     }
 648 
 649     rsc = g_hash_table_lookup(lrm_state->rsc_info_cache, rsc_id);
 650     if (rsc == NULL) {
 651         /* only contact the lrmd if we don't already have a cached rsc info */
 652         rsc = ((lrmd_t *) lrm_state->conn)->cmds->get_rsc_info(lrm_state->conn, rsc_id, options);
 653         if (rsc == NULL) {
 654                     return NULL;
 655         }
 656         /* cache the result */
 657         g_hash_table_insert(lrm_state->rsc_info_cache, rsc->id, rsc);
 658     }
 659 
 660     return lrmd_copy_rsc_info(rsc);
 661 
 662 }
 663 
 664 int
 665 lrm_state_exec(lrm_state_t *lrm_state, const char *rsc_id, const char *action,
     /*  */
 666                const char *userdata, guint interval_ms,
 667                int timeout,     /* ms */
 668                int start_delay, /* ms */
 669                lrmd_key_value_t * params)
 670 {
 671 
 672     if (!lrm_state->conn) {
 673         lrmd_key_value_freeall(params);
 674         return -ENOTCONN;
 675     }
 676 
 677     if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) {
 678         return remote_ra_exec(lrm_state, rsc_id, action, userdata, interval_ms,
 679                               timeout, start_delay, params);
 680     }
 681 
 682     return ((lrmd_t *) lrm_state->conn)->cmds->exec(lrm_state->conn,
 683                                                     rsc_id,
 684                                                     action,
 685                                                     userdata,
 686                                                     interval_ms,
 687                                                     timeout,
 688                                                     start_delay,
 689                                                     lrmd_opt_notify_changes_only, params);
 690 }
 691 
 692 int
 693 lrm_state_register_rsc(lrm_state_t * lrm_state,
     /*  */
 694                        const char *rsc_id,
 695                        const char *class,
 696                        const char *provider, const char *agent, enum lrmd_call_options options)
 697 {
 698     lrmd_t *conn = (lrmd_t *) lrm_state->conn;
 699 
 700     if (conn == NULL) {
 701         return -ENOTCONN;
 702     }
 703 
 704     if (is_remote_lrmd_ra(agent, provider, NULL)) {
 705         return lrm_state_find_or_create(rsc_id)? pcmk_ok : -EINVAL;
 706     }
 707 
 708     /* @TODO Implement an asynchronous version of this (currently a blocking
 709      * call to the lrmd).
 710      */
 711     return conn->cmds->register_rsc(lrm_state->conn, rsc_id, class, provider,
 712                                     agent, options);
 713 }
 714 
 715 int
 716 lrm_state_unregister_rsc(lrm_state_t * lrm_state,
     /*  */
 717                          const char *rsc_id, enum lrmd_call_options options)
 718 {
 719     if (!lrm_state->conn) {
 720         return -ENOTCONN;
 721     }
 722 
 723     if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) {
 724         lrm_state_destroy(rsc_id);
 725         return pcmk_ok;
 726     }
 727 
 728     g_hash_table_remove(lrm_state->rsc_info_cache, rsc_id);
 729 
 730     /* @TODO Optimize this ... this function is a blocking round trip from
 731      * client to daemon. The controld_execd_state.c code path that uses this
 732      * function should always treat it as an async operation. The executor API
 733      * should make an async version available.
 734      */
 735     return ((lrmd_t *) lrm_state->conn)->cmds->unregister_rsc(lrm_state->conn, rsc_id, options);
 736 }
 737 
 738 /*
 739  * Functions for sending alerts via local executor connection
 740  */
 741 
 742 static GList *crmd_alert_list = NULL;
 743 
 744 void
 745 crmd_unpack_alerts(xmlNode *alerts)
     /*  */
 746 {
 747     pe_free_alert_list(crmd_alert_list);
 748     crmd_alert_list = pe_unpack_alerts(alerts);
 749 }
 750 
 751 void
 752 crmd_alert_node_event(crm_node_t *node)
     /*  */
 753 {
 754     lrm_state_t *lrm_state;
 755 
 756     if (crmd_alert_list == NULL) {
 757         return;
 758     }
 759 
 760     lrm_state = lrm_state_find(fsa_our_uname);
 761     if (lrm_state == NULL) {
 762         return;
 763     }
 764 
 765     lrmd_send_node_alert((lrmd_t *) lrm_state->conn, crmd_alert_list,
 766                          node->uname, node->id, node->state);
 767 }
 768 
 769 void
 770 crmd_alert_fencing_op(stonith_event_t * e)
     /*  */
 771 {
 772     char *desc;
 773     lrm_state_t *lrm_state;
 774 
 775     if (crmd_alert_list == NULL) {
 776         return;
 777     }
 778 
 779     lrm_state = lrm_state_find(fsa_our_uname);
 780     if (lrm_state == NULL) {
 781         return;
 782     }
 783 
 784     desc = crm_strdup_printf("Operation %s of %s by %s for %s@%s: %s (ref=%s)",
 785                              e->action, e->target,
 786                              (e->executioner? e->executioner : "<no-one>"),
 787                              e->client_origin, e->origin,
 788                              pcmk_strerror(e->result), e->id);
 789 
 790     lrmd_send_fencing_alert((lrmd_t *) lrm_state->conn, crmd_alert_list,
 791                             e->target, e->operation, desc, e->result);
 792     free(desc);
 793 }
 794 
 795 void
 796 crmd_alert_resource_op(const char *node, lrmd_event_data_t * op)
     /*  */
 797 {
 798     lrm_state_t *lrm_state;
 799 
 800     if (crmd_alert_list == NULL) {
 801         return;
 802     }
 803 
 804     lrm_state = lrm_state_find(fsa_our_uname);
 805     if (lrm_state == NULL) {
 806         return;
 807     }
 808 
 809     lrmd_send_resource_alert((lrmd_t *) lrm_state->conn, crmd_alert_list, node,
 810                              op);
 811 }
/* */
root/daemons/controld/controld_execd_state.c

DEFINITIONS
