This source file includes following definitions.
- do_ha_control
- do_shutdown
- do_shutdown_req
- crmd_fast_exit
- crmd_exit
- do_exit
- sigpipe_ignore
- do_startup
- accept_controller_client
- dispatch_controller_ipc
- crmd_ipc_closed
- crmd_ipc_destroy
- do_stop
- do_started
- do_recover
- crmd_metadata
- verify_crmd_options
- crmd_pref
- config_query_callback
- crm_read_options
- do_read_config
- crm_shutdown
1
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8
9
10 #include <crm_internal.h>
11
12 #include <sys/param.h>
13 #include <sys/types.h>
14 #include <sys/stat.h>
15
16 #include <crm/crm.h>
17 #include <crm/msg_xml.h>
18 #include <crm/pengine/rules.h>
19 #include <crm/cluster/internal.h>
20 #include <crm/cluster/election_internal.h>
21 #include <crm/common/ipc_internal.h>
22
23 #include <pacemaker-controld.h>
24
25 qb_ipcs_service_t *ipcs = NULL;
26
27 #if SUPPORT_COROSYNC
28 extern gboolean crm_connect_corosync(crm_cluster_t * cluster);
29 #endif
30
31 void crm_shutdown(int nsig);
32 gboolean crm_read_options(gpointer user_data);
33
34 gboolean fsa_has_quorum = FALSE;
35 crm_trigger_t *fsa_source = NULL;
36 crm_trigger_t *config_read = NULL;
37 bool no_quorum_suicide_escalation = FALSE;
38 bool controld_shutdown_lock_enabled = false;
39
40
41 void
42 do_ha_control(long long action,
43 enum crmd_fsa_cause cause,
44 enum crmd_fsa_state cur_state,
45 enum crmd_fsa_input current_input, fsa_data_t * msg_data)
46 {
47 gboolean registered = FALSE;
48 static crm_cluster_t *cluster = NULL;
49
50 if (cluster == NULL) {
51 cluster = calloc(1, sizeof(crm_cluster_t));
52 }
53
54 if (action & A_HA_DISCONNECT) {
55 crm_cluster_disconnect(cluster);
56 crm_info("Disconnected from the cluster");
57
58 controld_set_fsa_input_flags(R_HA_DISCONNECTED);
59 }
60
61 if (action & A_HA_CONNECT) {
62 crm_set_status_callback(&peer_update_callback);
63 crm_set_autoreap(FALSE);
64
65 if (is_corosync_cluster()) {
66 #if SUPPORT_COROSYNC
67 registered = crm_connect_corosync(cluster);
68 #endif
69 }
70
71 if (registered == TRUE) {
72 controld_election_init(cluster->uname);
73 fsa_our_uname = cluster->uname;
74 fsa_our_uuid = cluster->uuid;
75 if(cluster->uuid == NULL) {
76 crm_err("Could not obtain local uuid");
77 registered = FALSE;
78 }
79 }
80
81 if (registered == FALSE) {
82 controld_set_fsa_input_flags(R_HA_DISCONNECTED);
83 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
84 return;
85 }
86
87 populate_cib_nodes(node_update_none, __func__);
88 controld_clear_fsa_input_flags(R_HA_DISCONNECTED);
89 crm_info("Connected to the cluster");
90 }
91
92 if (action & ~(A_HA_CONNECT | A_HA_DISCONNECT)) {
93 crm_err("Unexpected action %s in %s", fsa_action2string(action),
94 __func__);
95 }
96 }
97
98
99 void
100 do_shutdown(long long action,
101 enum crmd_fsa_cause cause,
102 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
103 {
104
105 controld_set_fsa_input_flags(R_SHUTDOWN);
106 controld_disconnect_fencer(FALSE);
107 }
108
109
110 void
111 do_shutdown_req(long long action,
112 enum crmd_fsa_cause cause,
113 enum crmd_fsa_state cur_state,
114 enum crmd_fsa_input current_input, fsa_data_t * msg_data)
115 {
116 xmlNode *msg = NULL;
117
118 controld_set_fsa_input_flags(R_SHUTDOWN);
119
120 crm_info("Sending shutdown request to all peers (DC is %s)",
121 (fsa_our_dc? fsa_our_dc : "not set"));
122 msg = create_request(CRM_OP_SHUTDOWN_REQ, NULL, NULL, CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL);
123
124 if (send_cluster_message(NULL, crm_msg_crmd, msg, TRUE) == FALSE) {
125 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
126 }
127 free_xml(msg);
128 }
129
130 extern char *max_generation_from;
131 extern xmlNode *max_generation_xml;
132 extern GHashTable *resource_history;
133 extern GHashTable *voted;
134 extern pcmk__output_t *logger_out;
135
136 void
137 crmd_fast_exit(crm_exit_t exit_code)
138 {
139 if (pcmk_is_set(fsa_input_register, R_STAYDOWN)) {
140 crm_warn("Inhibiting respawn "CRM_XS" remapping exit code %d to %d",
141 exit_code, CRM_EX_FATAL);
142 exit_code = CRM_EX_FATAL;
143
144 } else if ((exit_code == CRM_EX_OK)
145 && pcmk_is_set(fsa_input_register, R_IN_RECOVERY)) {
146 crm_err("Could not recover from internal error");
147 exit_code = CRM_EX_ERROR;
148 }
149
150 if (logger_out != NULL) {
151 logger_out->finish(logger_out, exit_code, true, NULL);
152 pcmk__output_free(logger_out);
153 logger_out = NULL;
154 }
155
156 crm_exit(exit_code);
157 }
158
159 crm_exit_t
160 crmd_exit(crm_exit_t exit_code)
161 {
162 GList *gIter = NULL;
163 GMainLoop *mloop = crmd_mainloop;
164
165 static bool in_progress = FALSE;
166
167 if (in_progress && (exit_code == CRM_EX_OK)) {
168 crm_debug("Exit is already in progress");
169 return exit_code;
170
171 } else if(in_progress) {
172 crm_notice("Error during shutdown process, exiting now with status %d (%s)",
173 exit_code, crm_exit_str(exit_code));
174 crm_write_blackbox(SIGTRAP, NULL);
175 crmd_fast_exit(exit_code);
176 }
177
178 in_progress = TRUE;
179 crm_trace("Preparing to exit with status %d (%s)",
180 exit_code, crm_exit_str(exit_code));
181
182
183 controld_set_fsa_input_flags(R_HA_DISCONNECTED);
184
185
186
187 if(ipcs) {
188 crm_trace("Closing IPC server");
189 mainloop_del_ipc_server(ipcs);
190 ipcs = NULL;
191 }
192
193 controld_close_attrd_ipc();
194 controld_shutdown_schedulerd_ipc();
195 controld_disconnect_fencer(TRUE);
196
197 if ((exit_code == CRM_EX_OK) && (crmd_mainloop == NULL)) {
198 crm_debug("No mainloop detected");
199 exit_code = CRM_EX_ERROR;
200 }
201
202
203
204
205
206
207
208 if (exit_code != CRM_EX_OK) {
209 crm_notice("Forcing immediate exit with status %d (%s)",
210 exit_code, crm_exit_str(exit_code));
211 crm_write_blackbox(SIGTRAP, NULL);
212 crmd_fast_exit(exit_code);
213 }
214
215
216
217 for (gIter = fsa_message_queue; gIter != NULL; gIter = gIter->next) {
218 fsa_data_t *fsa_data = gIter->data;
219
220 crm_info("Dropping %s: [ state=%s cause=%s origin=%s ]",
221 fsa_input2string(fsa_data->fsa_input),
222 fsa_state2string(fsa_state),
223 fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin);
224 delete_fsa_input(fsa_data);
225 }
226
227 controld_clear_fsa_input_flags(R_MEMBERSHIP);
228 g_list_free(fsa_message_queue); fsa_message_queue = NULL;
229
230 metadata_cache_fini();
231 controld_election_fini();
232
233
234
235
236
237 controld_disconnect_cib_manager();
238
239 verify_stopped(fsa_state, LOG_WARNING);
240 controld_clear_fsa_input_flags(R_LRM_CONNECTED);
241 lrm_state_destroy_all();
242
243
244 mainloop_destroy_trigger(fsa_source); fsa_source = NULL;
245
246 mainloop_destroy_trigger(config_read); config_read = NULL;
247 mainloop_destroy_trigger(transition_trigger); transition_trigger = NULL;
248
249 pcmk__client_cleanup();
250 crm_peer_destroy();
251
252 controld_free_fsa_timers();
253 te_cleanup_stonith_history_sync(NULL, TRUE);
254 controld_free_sched_timer();
255
256 free(fsa_our_dc_version); fsa_our_dc_version = NULL;
257 free(fsa_our_uname); fsa_our_uname = NULL;
258 free(fsa_our_uuid); fsa_our_uuid = NULL;
259 free(fsa_our_dc); fsa_our_dc = NULL;
260
261 free(fsa_cluster_name); fsa_cluster_name = NULL;
262
263 free(te_uuid); te_uuid = NULL;
264 free(failed_stop_offset); failed_stop_offset = NULL;
265 free(failed_start_offset); failed_start_offset = NULL;
266
267 free(max_generation_from); max_generation_from = NULL;
268 free_xml(max_generation_xml); max_generation_xml = NULL;
269
270 mainloop_destroy_signal(SIGPIPE);
271 mainloop_destroy_signal(SIGUSR1);
272 mainloop_destroy_signal(SIGTERM);
273 mainloop_destroy_signal(SIGTRAP);
274
275
276 if (mloop) {
277 GMainContext *ctx = g_main_loop_get_context(crmd_mainloop);
278
279
280 crmd_mainloop = NULL;
281
282
283 mainloop_destroy_signal(SIGCHLD);
284
285 crm_trace("Draining mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
286
287 {
288 int lpc = 0;
289
290 while((g_main_context_pending(ctx) && lpc < 10)) {
291 lpc++;
292 crm_trace("Iteration %d", lpc);
293 g_main_context_dispatch(ctx);
294 }
295 }
296
297 crm_trace("Closing mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
298 g_main_loop_quit(mloop);
299
300
301 g_main_loop_unref(mloop);
302 } else {
303 mainloop_destroy_signal(SIGCHLD);
304 }
305
306 cib_delete(fsa_cib_conn);
307 fsa_cib_conn = NULL;
308
309 throttle_fini();
310
311
312 crm_trace("Done preparing for exit with status %d (%s)",
313 exit_code, crm_exit_str(exit_code));
314 return exit_code;
315 }
316
317
318 void
319 do_exit(long long action,
320 enum crmd_fsa_cause cause,
321 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
322 {
323 crm_exit_t exit_code = CRM_EX_OK;
324 int log_level = LOG_INFO;
325 const char *exit_type = "gracefully";
326
327 if (action & A_EXIT_1) {
328 log_level = LOG_ERR;
329 exit_type = "forcefully";
330 exit_code = CRM_EX_ERROR;
331 }
332
333 verify_stopped(cur_state, LOG_ERR);
334 do_crm_log(log_level, "Performing %s - %s exiting the controller",
335 fsa_action2string(action), exit_type);
336
337 crm_info("[%s] stopped (%d)", crm_system_name, exit_code);
338 crmd_exit(exit_code);
339 }
340
341 static void sigpipe_ignore(int nsig) { return; }
342
343
344 void
345 do_startup(long long action,
346 enum crmd_fsa_cause cause,
347 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
348 {
349 crm_debug("Registering Signal Handlers");
350 mainloop_add_signal(SIGTERM, crm_shutdown);
351 mainloop_add_signal(SIGPIPE, sigpipe_ignore);
352
353 fsa_source = mainloop_add_trigger(G_PRIORITY_HIGH, crm_fsa_trigger, NULL);
354 config_read = mainloop_add_trigger(G_PRIORITY_HIGH, crm_read_options, NULL);
355 transition_trigger = mainloop_add_trigger(G_PRIORITY_LOW, te_graph_trigger, NULL);
356
357 crm_debug("Creating CIB manager and executor objects");
358 fsa_cib_conn = cib_new();
359
360 lrm_state_init_local();
361 if (controld_init_fsa_timers() == FALSE) {
362 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
363 }
364 }
365
366
367 static int32_t
368 accept_controller_client(qb_ipcs_connection_t *c, uid_t uid, gid_t gid)
369 {
370 crm_trace("Accepting new IPC client connection");
371 if (pcmk__new_client(c, uid, gid) == NULL) {
372 return -EIO;
373 }
374 return 0;
375 }
376
377
378 static int32_t
379 dispatch_controller_ipc(qb_ipcs_connection_t * c, void *data, size_t size)
380 {
381 uint32_t id = 0;
382 uint32_t flags = 0;
383 pcmk__client_t *client = pcmk__find_client(c);
384
385 xmlNode *msg = pcmk__client_data2xml(client, data, &id, &flags);
386
387 if (msg == NULL) {
388 pcmk__ipc_send_ack(client, id, flags, "ack", CRM_EX_PROTOCOL);
389 return 0;
390 }
391 pcmk__ipc_send_ack(client, id, flags, "ack", CRM_EX_INDETERMINATE);
392
393 CRM_ASSERT(client->user != NULL);
394 pcmk__update_acl_user(msg, F_CRM_USER, client->user);
395
396 crm_xml_add(msg, F_CRM_SYS_FROM, client->id);
397 if (controld_authorize_ipc_message(msg, client, NULL)) {
398 crm_trace("Processing IPC message from client %s",
399 pcmk__client_name(client));
400 route_message(C_IPC_MESSAGE, msg);
401 }
402
403 trigger_fsa();
404 free_xml(msg);
405 return 0;
406 }
407
408 static int32_t
409 crmd_ipc_closed(qb_ipcs_connection_t * c)
410 {
411 pcmk__client_t *client = pcmk__find_client(c);
412
413 if (client) {
414 crm_trace("Disconnecting %sregistered client %s (%p/%p)",
415 (client->userdata? "" : "un"), pcmk__client_name(client),
416 c, client);
417 free(client->userdata);
418 pcmk__free_client(client);
419 trigger_fsa();
420 }
421 return 0;
422 }
423
424 static void
425 crmd_ipc_destroy(qb_ipcs_connection_t * c)
426 {
427 crm_trace("Connection %p", c);
428 crmd_ipc_closed(c);
429 }
430
431
432 void
433 do_stop(long long action,
434 enum crmd_fsa_cause cause,
435 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
436 {
437 crm_trace("Closing IPC server");
438 mainloop_del_ipc_server(ipcs); ipcs = NULL;
439 register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
440 }
441
442
443 void
444 do_started(long long action,
445 enum crmd_fsa_cause cause,
446 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
447 {
448 static struct qb_ipcs_service_handlers crmd_callbacks = {
449 .connection_accept = accept_controller_client,
450 .connection_created = NULL,
451 .msg_process = dispatch_controller_ipc,
452 .connection_closed = crmd_ipc_closed,
453 .connection_destroyed = crmd_ipc_destroy
454 };
455
456 if (cur_state != S_STARTING) {
457 crm_err("Start cancelled... %s", fsa_state2string(cur_state));
458 return;
459
460 } else if (!pcmk_is_set(fsa_input_register, R_MEMBERSHIP)) {
461 crm_info("Delaying start, no membership data (%.16llx)", R_MEMBERSHIP);
462
463 crmd_fsa_stall(TRUE);
464 return;
465
466 } else if (!pcmk_is_set(fsa_input_register, R_LRM_CONNECTED)) {
467 crm_info("Delaying start, not connected to executor (%.16llx)", R_LRM_CONNECTED);
468
469 crmd_fsa_stall(TRUE);
470 return;
471
472 } else if (!pcmk_is_set(fsa_input_register, R_CIB_CONNECTED)) {
473 crm_info("Delaying start, CIB not connected (%.16llx)", R_CIB_CONNECTED);
474
475 crmd_fsa_stall(TRUE);
476 return;
477
478 } else if (!pcmk_is_set(fsa_input_register, R_READ_CONFIG)) {
479 crm_info("Delaying start, Config not read (%.16llx)", R_READ_CONFIG);
480
481 crmd_fsa_stall(TRUE);
482 return;
483
484 } else if (!pcmk_is_set(fsa_input_register, R_PEER_DATA)) {
485
486 crm_info("Delaying start, No peer data (%.16llx)", R_PEER_DATA);
487 crmd_fsa_stall(TRUE);
488 return;
489 }
490
491 crm_debug("Init server comms");
492 ipcs = pcmk__serve_controld_ipc(&crmd_callbacks);
493 if (ipcs == NULL) {
494 crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
495 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
496 } else {
497 crm_notice("Pacemaker controller successfully started and accepting connections");
498 }
499 controld_trigger_fencer_connect();
500
501 controld_clear_fsa_input_flags(R_STARTING);
502 register_fsa_input(msg_data->fsa_cause, I_PENDING, NULL);
503 }
504
505
506 void
507 do_recover(long long action,
508 enum crmd_fsa_cause cause,
509 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
510 {
511 controld_set_fsa_input_flags(R_IN_RECOVERY);
512 crm_warn("Fast-tracking shutdown in response to errors");
513
514 register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
515 }
516
517 static pcmk__cluster_option_t crmd_opts[] = {
518
519
520
521
522
523 {
524 "dc-version", NULL, "string", NULL, PCMK__VALUE_NONE, NULL,
525 "Pacemaker version on cluster node elected Designated Controller (DC)",
526 "Includes a hash which identifies the exact changeset the code was "
527 "built from. Used for diagnostic purposes."
528 },
529 {
530 "cluster-infrastructure", NULL, "string", NULL, "corosync", NULL,
531 "The messaging stack on which Pacemaker is currently running",
532 "Used for informational and diagnostic purposes."
533 },
534 {
535 "cluster-name", NULL, "string", NULL, NULL, NULL,
536 "An arbitrary name for the cluster",
537 "This optional value is mostly for users' convenience as desired "
538 "in administration, but may also be used in Pacemaker "
539 "configuration rules via the #cluster-name node attribute, and "
540 "by higher-level tools and resource agents."
541 },
542 {
543 XML_CONFIG_ATTR_DC_DEADTIME, NULL, "time",
544 NULL, "20s", pcmk__valid_interval_spec,
545 "How long to wait for a response from other nodes during start-up",
546 "The optimal value will depend on the speed and load of your network "
547 "and the type of switches used."
548 },
549 {
550 XML_CONFIG_ATTR_RECHECK, NULL, "time",
551 N_("Zero disables polling, while positive values are an interval in seconds"
552 "(unless other units are specified, for example \"5min\")"),
553 "15min", pcmk__valid_interval_spec,
554 "Polling interval to recheck cluster state and evaluate rules "
555 "with date specifications",
556 "Pacemaker is primarily event-driven, and looks ahead to know when to "
557 "recheck cluster state for failure timeouts and most time-based "
558 "rules. However, it will also recheck the cluster after this "
559 "amount of inactivity, to evaluate rules with date specifications "
560 "and serve as a fail-safe for certain types of scheduler bugs."
561 },
562 {
563 "load-threshold", NULL, "percentage", NULL,
564 "80%", pcmk__valid_percentage,
565 "Maximum amount of system load that should be used by cluster nodes",
566 "The cluster will slow down its recovery process when the amount of "
567 "system resources used (currently CPU) approaches this limit",
568 },
569 {
570 "node-action-limit", NULL, "integer", NULL,
571 "0", pcmk__valid_number,
572 "Maximum number of jobs that can be scheduled per node "
573 "(defaults to 2x cores)"
574 },
575 { XML_CONFIG_ATTR_FENCE_REACTION, NULL, "string", NULL, "stop", NULL,
576 "How a cluster node should react if notified of its own fencing",
577 "A cluster node may receive notification of its own fencing if fencing "
578 "is misconfigured, or if fabric fencing is in use that doesn't cut "
579 "cluster communication. Allowed values are \"stop\" to attempt to "
580 "immediately stop Pacemaker and stay stopped, or \"panic\" to attempt "
581 "to immediately reboot the local node, falling back to stop on failure."
582 },
583 {
584 XML_CONFIG_ATTR_ELECTION_FAIL, NULL, "time", NULL,
585 "2min", pcmk__valid_interval_spec,
586 "*** Advanced Use Only ***",
587 "Declare an election failed if it is not decided within this much "
588 "time. If you need to adjust this value, it probably indicates "
589 "the presence of a bug."
590 },
591 {
592 XML_CONFIG_ATTR_FORCE_QUIT, NULL, "time", NULL,
593 "20min", pcmk__valid_interval_spec,
594 "*** Advanced Use Only ***",
595 "Exit immediately if shutdown does not complete within this much "
596 "time. If you need to adjust this value, it probably indicates "
597 "the presence of a bug."
598 },
599 {
600 "join-integration-timeout", "crmd-integration-timeout", "time", NULL,
601 "3min", pcmk__valid_interval_spec,
602 "*** Advanced Use Only ***",
603 "If you need to adjust this value, it probably indicates "
604 "the presence of a bug."
605 },
606 {
607 "join-finalization-timeout", "crmd-finalization-timeout", "time", NULL,
608 "30min", pcmk__valid_interval_spec,
609 "*** Advanced Use Only ***",
610 "If you need to adjust this value, it probably indicates "
611 "the presence of a bug."
612 },
613 {
614 "transition-delay", "crmd-transition-delay", "time", NULL,
615 "0s", pcmk__valid_interval_spec,
616 "*** Advanced Use Only *** Enabling this option will slow down "
617 "cluster recovery under all conditions",
618 "Delay cluster recovery for this much time to allow for additional "
619 "events to occur. Useful if your configuration is sensitive to "
620 "the order in which ping updates arrive."
621 },
622 {
623 "stonith-watchdog-timeout", NULL, "time", NULL,
624 "0", controld_verify_stonith_watchdog_timeout,
625 "How long to wait before we can assume nodes are safely down "
626 "when watchdog-based self-fencing via SBD is in use",
627 "If nonzero, along with `have-watchdog=true` automatically set by the "
628 "cluster, when fencing is required, watchdog-based self-fencing "
629 "will be performed via SBD without requiring a fencing resource "
630 "explicitly configured. "
631 "If `stonith-watchdog-timeout` is set to a positive value, unseen "
632 "nodes are assumed to self-fence within this much time. +WARNING:+ "
633 "It must be ensured that this value is larger than the "
634 "`SBD_WATCHDOG_TIMEOUT` environment variable on all nodes. "
635 "Pacemaker verifies the settings individually on all nodes and "
636 "prevents startup or shuts down if configured wrongly on the fly. "
637 "It's strongly recommended that `SBD_WATCHDOG_TIMEOUT` is set to "
638 "the same value on all nodes. "
639 "If `stonith-watchdog-timeout` is set to a negative value, and "
640 "`SBD_WATCHDOG_TIMEOUT` is set, twice that value will be used. "
641 "+WARNING:+ In this case, it's essential (currently not verified by "
642 "Pacemaker) that `SBD_WATCHDOG_TIMEOUT` is set to the same value on "
643 "all nodes."
644 },
645 {
646 "stonith-max-attempts", NULL, "integer", NULL,
647 "10", pcmk__valid_positive_number,
648 "How many times fencing can fail before it will no longer be "
649 "immediately re-attempted on a target"
650 },
651
652
653 {
654 "no-quorum-policy", NULL, "select", "stop, freeze, ignore, demote, suicide",
655 "stop", pcmk__valid_quorum, NULL, NULL
656 },
657 {
658 XML_CONFIG_ATTR_SHUTDOWN_LOCK, NULL, "boolean", NULL,
659 "false", pcmk__valid_boolean, NULL, NULL
660 },
661 };
662
663 void
664 crmd_metadata(void)
665 {
666 char *s = pcmk__format_option_metadata("pacemaker-controld",
667 "Pacemaker controller options",
668 "Cluster options used by Pacemaker's "
669 "controller",
670 crmd_opts, PCMK__NELEM(crmd_opts));
671 printf("%s", s);
672 free(s);
673 }
674
675 static void
676 verify_crmd_options(GHashTable * options)
677 {
678 pcmk__validate_cluster_options(options, crmd_opts, PCMK__NELEM(crmd_opts));
679 }
680
681 static const char *
682 crmd_pref(GHashTable * options, const char *name)
683 {
684 return pcmk__cluster_option(options, crmd_opts, PCMK__NELEM(crmd_opts),
685 name);
686 }
687
688 static void
689 config_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
690 {
691 const char *value = NULL;
692 GHashTable *config_hash = NULL;
693 crm_time_t *now = crm_time_new(NULL);
694 xmlNode *crmconfig = NULL;
695 xmlNode *alerts = NULL;
696
697 if (rc != pcmk_ok) {
698 fsa_data_t *msg_data = NULL;
699
700 crm_err("Local CIB query resulted in an error: %s", pcmk_strerror(rc));
701 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
702
703 if (rc == -EACCES || rc == -pcmk_err_schema_validation) {
704 crm_err("The cluster is mis-configured - shutting down and staying down");
705 controld_set_fsa_input_flags(R_STAYDOWN);
706 }
707 goto bail;
708 }
709
710 crmconfig = output;
711 if ((crmconfig) &&
712 (crm_element_name(crmconfig)) &&
713 (strcmp(crm_element_name(crmconfig), XML_CIB_TAG_CRMCONFIG) != 0)) {
714 crmconfig = first_named_child(crmconfig, XML_CIB_TAG_CRMCONFIG);
715 }
716 if (!crmconfig) {
717 fsa_data_t *msg_data = NULL;
718
719 crm_err("Local CIB query for " XML_CIB_TAG_CRMCONFIG " section failed");
720 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
721 goto bail;
722 }
723
724 crm_debug("Call %d : Parsing CIB options", call_id);
725 config_hash = pcmk__strkey_table(free, free);
726 pe_unpack_nvpairs(crmconfig, crmconfig, XML_CIB_TAG_PROPSET, NULL,
727 config_hash, CIB_OPTIONS_FIRST, FALSE, now, NULL);
728
729 verify_crmd_options(config_hash);
730
731 value = crmd_pref(config_hash, XML_CONFIG_ATTR_DC_DEADTIME);
732 election_trigger->period_ms = crm_parse_interval_spec(value);
733
734 value = crmd_pref(config_hash, "node-action-limit");
735 throttle_update_job_max(value);
736
737 value = crmd_pref(config_hash, "load-threshold");
738 if(value) {
739 throttle_set_load_target(strtof(value, NULL) / 100.0);
740 }
741
742 value = crmd_pref(config_hash, "no-quorum-policy");
743 if (pcmk__str_eq(value, "suicide", pcmk__str_casei) && pcmk__locate_sbd()) {
744 no_quorum_suicide_escalation = TRUE;
745 }
746
747 set_fence_reaction(crmd_pref(config_hash, XML_CONFIG_ATTR_FENCE_REACTION));
748
749 value = crmd_pref(config_hash,"stonith-max-attempts");
750 update_stonith_max_attempts(value);
751
752 value = crmd_pref(config_hash, XML_CONFIG_ATTR_FORCE_QUIT);
753 shutdown_escalation_timer->period_ms = crm_parse_interval_spec(value);
754 crm_debug("Shutdown escalation occurs if DC has not responded to request in %ums",
755 shutdown_escalation_timer->period_ms);
756
757 value = crmd_pref(config_hash, XML_CONFIG_ATTR_ELECTION_FAIL);
758 controld_set_election_period(value);
759
760 value = crmd_pref(config_hash, XML_CONFIG_ATTR_RECHECK);
761 recheck_interval_ms = crm_parse_interval_spec(value);
762 crm_debug("Re-run scheduler after %dms of inactivity", recheck_interval_ms);
763
764 value = crmd_pref(config_hash, "transition-delay");
765 transition_timer->period_ms = crm_parse_interval_spec(value);
766
767 value = crmd_pref(config_hash, "join-integration-timeout");
768 integration_timer->period_ms = crm_parse_interval_spec(value);
769
770 value = crmd_pref(config_hash, "join-finalization-timeout");
771 finalization_timer->period_ms = crm_parse_interval_spec(value);
772
773 value = crmd_pref(config_hash, XML_CONFIG_ATTR_SHUTDOWN_LOCK);
774 controld_shutdown_lock_enabled = crm_is_true(value);
775
776 free(fsa_cluster_name);
777 fsa_cluster_name = NULL;
778
779 value = g_hash_table_lookup(config_hash, "cluster-name");
780 if (value) {
781 fsa_cluster_name = strdup(value);
782 }
783
784 alerts = first_named_child(output, XML_CIB_TAG_ALERTS);
785 crmd_unpack_alerts(alerts);
786
787 controld_set_fsa_input_flags(R_READ_CONFIG);
788 crm_trace("Triggering FSA: %s", __func__);
789 mainloop_set_trigger(fsa_source);
790
791 g_hash_table_destroy(config_hash);
792 bail:
793 crm_time_free(now);
794 }
795
796 gboolean
797 crm_read_options(gpointer user_data)
798 {
799 int call_id =
800 fsa_cib_conn->cmds->query(fsa_cib_conn,
801 "//" XML_CIB_TAG_CRMCONFIG " | //" XML_CIB_TAG_ALERTS,
802 NULL, cib_xpath | cib_scope_local);
803
804 fsa_register_cib_callback(call_id, FALSE, NULL, config_query_callback);
805 crm_trace("Querying the CIB... call %d", call_id);
806 return TRUE;
807 }
808
809
810 void
811 do_read_config(long long action,
812 enum crmd_fsa_cause cause,
813 enum crmd_fsa_state cur_state,
814 enum crmd_fsa_input current_input, fsa_data_t * msg_data)
815 {
816 throttle_init();
817 mainloop_set_trigger(config_read);
818 }
819
820 void
821 crm_shutdown(int nsig)
822 {
823 if ((crmd_mainloop == NULL) || !g_main_loop_is_running(crmd_mainloop)) {
824 crmd_exit(CRM_EX_OK);
825 return;
826 }
827
828 if (pcmk_is_set(fsa_input_register, R_SHUTDOWN)) {
829 crm_err("Escalating shutdown");
830 register_fsa_input_before(C_SHUTDOWN, I_ERROR, NULL);
831 return;
832 }
833
834 controld_set_fsa_input_flags(R_SHUTDOWN);
835 register_fsa_input(C_SHUTDOWN, I_SHUTDOWN, NULL);
836
837 if (shutdown_escalation_timer->period_ms == 0) {
838 const char *value = crmd_pref(NULL, XML_CONFIG_ATTR_FORCE_QUIT);
839
840 shutdown_escalation_timer->period_ms = crm_parse_interval_spec(value);
841 }
842
843 crm_notice("Initiating controller shutdown sequence " CRM_XS
844 " limit=%ums", shutdown_escalation_timer->period_ms);
845 controld_start_timer(shutdown_escalation_timer);
846 }
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