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
135 void
136 crmd_fast_exit(crm_exit_t exit_code)
137 {
138 if (pcmk_is_set(fsa_input_register, R_STAYDOWN)) {
139 crm_warn("Inhibiting respawn "CRM_XS" remapping exit code %d to %d",
140 exit_code, CRM_EX_FATAL);
141 exit_code = CRM_EX_FATAL;
142
143 } else if ((exit_code == CRM_EX_OK)
144 && pcmk_is_set(fsa_input_register, R_IN_RECOVERY)) {
145 crm_err("Could not recover from internal error");
146 exit_code = CRM_EX_ERROR;
147 }
148 crm_exit(exit_code);
149 }
150
151 crm_exit_t
152 crmd_exit(crm_exit_t exit_code)
153 {
154 GList *gIter = NULL;
155 GMainLoop *mloop = crmd_mainloop;
156
157 static bool in_progress = FALSE;
158
159 if (in_progress && (exit_code == CRM_EX_OK)) {
160 crm_debug("Exit is already in progress");
161 return exit_code;
162
163 } else if(in_progress) {
164 crm_notice("Error during shutdown process, exiting now with status %d (%s)",
165 exit_code, crm_exit_str(exit_code));
166 crm_write_blackbox(SIGTRAP, NULL);
167 crmd_fast_exit(exit_code);
168 }
169
170 in_progress = TRUE;
171 crm_trace("Preparing to exit with status %d (%s)",
172 exit_code, crm_exit_str(exit_code));
173
174
175 controld_set_fsa_input_flags(R_HA_DISCONNECTED);
176
177
178
179 if(ipcs) {
180 crm_trace("Closing IPC server");
181 mainloop_del_ipc_server(ipcs);
182 ipcs = NULL;
183 }
184
185 controld_close_attrd_ipc();
186 pe_subsystem_free();
187 controld_disconnect_fencer(TRUE);
188
189 if ((exit_code == CRM_EX_OK) && (crmd_mainloop == NULL)) {
190 crm_debug("No mainloop detected");
191 exit_code = CRM_EX_ERROR;
192 }
193
194
195
196
197
198
199
200 if (exit_code != CRM_EX_OK) {
201 crm_notice("Forcing immediate exit with status %d (%s)",
202 exit_code, crm_exit_str(exit_code));
203 crm_write_blackbox(SIGTRAP, NULL);
204 crmd_fast_exit(exit_code);
205 }
206
207
208
209 for (gIter = fsa_message_queue; gIter != NULL; gIter = gIter->next) {
210 fsa_data_t *fsa_data = gIter->data;
211
212 crm_info("Dropping %s: [ state=%s cause=%s origin=%s ]",
213 fsa_input2string(fsa_data->fsa_input),
214 fsa_state2string(fsa_state),
215 fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin);
216 delete_fsa_input(fsa_data);
217 }
218
219 controld_clear_fsa_input_flags(R_MEMBERSHIP);
220 g_list_free(fsa_message_queue); fsa_message_queue = NULL;
221
222 metadata_cache_fini();
223 controld_election_fini();
224
225
226
227
228 fsa_cib_conn->cmds->del_notify_callback(fsa_cib_conn, T_CIB_REPLACE_NOTIFY, do_cib_replaced);
229 fsa_cib_conn->cmds->del_notify_callback(fsa_cib_conn, T_CIB_DIFF_NOTIFY, do_cib_updated);
230 cib_free_callbacks(fsa_cib_conn);
231 fsa_cib_conn->cmds->signoff(fsa_cib_conn);
232
233 verify_stopped(fsa_state, LOG_WARNING);
234 controld_clear_fsa_input_flags(R_LRM_CONNECTED);
235 lrm_state_destroy_all();
236
237
238 mainloop_destroy_trigger(fsa_source); fsa_source = NULL;
239
240 mainloop_destroy_trigger(config_read); config_read = NULL;
241 mainloop_destroy_trigger(transition_trigger); transition_trigger = NULL;
242
243 pcmk__client_cleanup();
244 crm_peer_destroy();
245
246 controld_free_fsa_timers();
247 te_cleanup_stonith_history_sync(NULL, TRUE);
248 controld_free_sched_timer();
249
250 free(fsa_our_dc_version); fsa_our_dc_version = NULL;
251 free(fsa_our_uname); fsa_our_uname = NULL;
252 free(fsa_our_uuid); fsa_our_uuid = NULL;
253 free(fsa_our_dc); fsa_our_dc = NULL;
254
255 free(fsa_cluster_name); fsa_cluster_name = NULL;
256
257 free(te_uuid); te_uuid = NULL;
258 free(failed_stop_offset); failed_stop_offset = NULL;
259 free(failed_start_offset); failed_start_offset = NULL;
260
261 free(max_generation_from); max_generation_from = NULL;
262 free_xml(max_generation_xml); max_generation_xml = NULL;
263
264 mainloop_destroy_signal(SIGPIPE);
265 mainloop_destroy_signal(SIGUSR1);
266 mainloop_destroy_signal(SIGTERM);
267 mainloop_destroy_signal(SIGTRAP);
268
269
270 if (mloop) {
271 GMainContext *ctx = g_main_loop_get_context(crmd_mainloop);
272
273
274 crmd_mainloop = NULL;
275
276
277 mainloop_destroy_signal(SIGCHLD);
278
279 crm_trace("Draining mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
280
281 {
282 int lpc = 0;
283
284 while((g_main_context_pending(ctx) && lpc < 10)) {
285 lpc++;
286 crm_trace("Iteration %d", lpc);
287 g_main_context_dispatch(ctx);
288 }
289 }
290
291 crm_trace("Closing mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
292 g_main_loop_quit(mloop);
293
294
295 g_main_loop_unref(mloop);
296 } else {
297 mainloop_destroy_signal(SIGCHLD);
298 }
299
300 cib_delete(fsa_cib_conn);
301 fsa_cib_conn = NULL;
302
303 throttle_fini();
304
305
306 crm_trace("Done preparing for exit with status %d (%s)",
307 exit_code, crm_exit_str(exit_code));
308 return exit_code;
309 }
310
311
312 void
313 do_exit(long long action,
314 enum crmd_fsa_cause cause,
315 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
316 {
317 crm_exit_t exit_code = CRM_EX_OK;
318 int log_level = LOG_INFO;
319 const char *exit_type = "gracefully";
320
321 if (action & A_EXIT_1) {
322 log_level = LOG_ERR;
323 exit_type = "forcefully";
324 exit_code = CRM_EX_ERROR;
325 }
326
327 verify_stopped(cur_state, LOG_ERR);
328 do_crm_log(log_level, "Performing %s - %s exiting the controller",
329 fsa_action2string(action), exit_type);
330
331 crm_info("[%s] stopped (%d)", crm_system_name, exit_code);
332 crmd_exit(exit_code);
333 }
334
335 static void sigpipe_ignore(int nsig) { return; }
336
337
338 void
339 do_startup(long long action,
340 enum crmd_fsa_cause cause,
341 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
342 {
343 crm_debug("Registering Signal Handlers");
344 mainloop_add_signal(SIGTERM, crm_shutdown);
345 mainloop_add_signal(SIGPIPE, sigpipe_ignore);
346
347 fsa_source = mainloop_add_trigger(G_PRIORITY_HIGH, crm_fsa_trigger, NULL);
348 config_read = mainloop_add_trigger(G_PRIORITY_HIGH, crm_read_options, NULL);
349 transition_trigger = mainloop_add_trigger(G_PRIORITY_LOW, te_graph_trigger, NULL);
350
351 crm_debug("Creating CIB manager and executor objects");
352 fsa_cib_conn = cib_new();
353
354 lrm_state_init_local();
355 if (controld_init_fsa_timers() == FALSE) {
356 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
357 }
358 }
359
360
361 static int32_t
362 accept_controller_client(qb_ipcs_connection_t *c, uid_t uid, gid_t gid)
363 {
364 crm_trace("Accepting new IPC client connection");
365 if (pcmk__new_client(c, uid, gid) == NULL) {
366 return -EIO;
367 }
368 return 0;
369 }
370
371
372 static int32_t
373 dispatch_controller_ipc(qb_ipcs_connection_t * c, void *data, size_t size)
374 {
375 uint32_t id = 0;
376 uint32_t flags = 0;
377 pcmk__client_t *client = pcmk__find_client(c);
378
379 xmlNode *msg = pcmk__client_data2xml(client, data, &id, &flags);
380
381 if (msg == NULL) {
382 pcmk__ipc_send_ack(client, id, flags, "ack", CRM_EX_PROTOCOL);
383 return 0;
384 }
385 pcmk__ipc_send_ack(client, id, flags, "ack", CRM_EX_INDETERMINATE);
386
387 CRM_ASSERT(client->user != NULL);
388 pcmk__update_acl_user(msg, F_CRM_USER, client->user);
389
390 crm_xml_add(msg, F_CRM_SYS_FROM, client->id);
391 if (controld_authorize_ipc_message(msg, client, NULL)) {
392 crm_trace("Processing IPC message from client %s",
393 pcmk__client_name(client));
394 route_message(C_IPC_MESSAGE, msg);
395 }
396
397 trigger_fsa();
398 free_xml(msg);
399 return 0;
400 }
401
402 static int32_t
403 crmd_ipc_closed(qb_ipcs_connection_t * c)
404 {
405 pcmk__client_t *client = pcmk__find_client(c);
406
407 if (client) {
408 crm_trace("Disconnecting %sregistered client %s (%p/%p)",
409 (client->userdata? "" : "un"), pcmk__client_name(client),
410 c, client);
411 free(client->userdata);
412 pcmk__free_client(client);
413 trigger_fsa();
414 }
415 return 0;
416 }
417
418 static void
419 crmd_ipc_destroy(qb_ipcs_connection_t * c)
420 {
421 crm_trace("Connection %p", c);
422 crmd_ipc_closed(c);
423 }
424
425
426 void
427 do_stop(long long action,
428 enum crmd_fsa_cause cause,
429 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
430 {
431 crm_trace("Closing IPC server");
432 mainloop_del_ipc_server(ipcs); ipcs = NULL;
433 register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
434 }
435
436
437 void
438 do_started(long long action,
439 enum crmd_fsa_cause cause,
440 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
441 {
442 static struct qb_ipcs_service_handlers crmd_callbacks = {
443 .connection_accept = accept_controller_client,
444 .connection_created = NULL,
445 .msg_process = dispatch_controller_ipc,
446 .connection_closed = crmd_ipc_closed,
447 .connection_destroyed = crmd_ipc_destroy
448 };
449
450 if (cur_state != S_STARTING) {
451 crm_err("Start cancelled... %s", fsa_state2string(cur_state));
452 return;
453
454 } else if (!pcmk_is_set(fsa_input_register, R_MEMBERSHIP)) {
455 crm_info("Delaying start, no membership data (%.16llx)", R_MEMBERSHIP);
456
457 crmd_fsa_stall(TRUE);
458 return;
459
460 } else if (!pcmk_is_set(fsa_input_register, R_LRM_CONNECTED)) {
461 crm_info("Delaying start, not connected to executor (%.16llx)", R_LRM_CONNECTED);
462
463 crmd_fsa_stall(TRUE);
464 return;
465
466 } else if (!pcmk_is_set(fsa_input_register, R_CIB_CONNECTED)) {
467 crm_info("Delaying start, CIB not connected (%.16llx)", R_CIB_CONNECTED);
468
469 crmd_fsa_stall(TRUE);
470 return;
471
472 } else if (!pcmk_is_set(fsa_input_register, R_READ_CONFIG)) {
473 crm_info("Delaying start, Config not read (%.16llx)", R_READ_CONFIG);
474
475 crmd_fsa_stall(TRUE);
476 return;
477
478 } else if (!pcmk_is_set(fsa_input_register, R_PEER_DATA)) {
479
480 crm_info("Delaying start, No peer data (%.16llx)", R_PEER_DATA);
481 crmd_fsa_stall(TRUE);
482 return;
483 }
484
485 crm_debug("Init server comms");
486 ipcs = pcmk__serve_controld_ipc(&crmd_callbacks);
487 if (ipcs == NULL) {
488 crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
489 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
490 } else {
491 crm_notice("Pacemaker controller successfully started and accepting connections");
492 }
493 controld_trigger_fencer_connect();
494
495 controld_clear_fsa_input_flags(R_STARTING);
496 register_fsa_input(msg_data->fsa_cause, I_PENDING, NULL);
497 }
498
499
500 void
501 do_recover(long long action,
502 enum crmd_fsa_cause cause,
503 enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
504 {
505 controld_set_fsa_input_flags(R_IN_RECOVERY);
506 crm_warn("Fast-tracking shutdown in response to errors");
507
508 register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
509 }
510
511 static pcmk__cluster_option_t crmd_opts[] = {
512
513
514
515
516
517 {
518 "dc-version", NULL, "string", NULL, "none", NULL,
519 "Pacemaker version on cluster node elected Designated Controller (DC)",
520 "Includes a hash which identifies the exact changeset the code was "
521 "built from. Used for diagnostic purposes."
522 },
523 {
524 "cluster-infrastructure", NULL, "string", NULL, "corosync", NULL,
525 "The messaging stack on which Pacemaker is currently running",
526 "Used for informational and diagnostic purposes."
527 },
528 {
529 "cluster-name", NULL, "string", NULL, NULL, NULL,
530 "An arbitrary name for the cluster",
531 "This optional value is mostly for users' convenience as desired "
532 "in administration, but may also be used in Pacemaker "
533 "configuration rules via the #cluster-name node attribute, and "
534 "by higher-level tools and resource agents."
535 },
536 {
537 XML_CONFIG_ATTR_DC_DEADTIME, NULL, "time",
538 NULL, "20s", pcmk__valid_interval_spec,
539 "How long to wait for a response from other nodes during start-up",
540 "The optimal value will depend on the speed and load of your network "
541 "and the type of switches used."
542 },
543 {
544 XML_CONFIG_ATTR_RECHECK, NULL, "time",
545 "Zero disables polling, while positive values are an interval in seconds"
546 "(unless other units are specified, for example \"5min\")",
547 "15min", pcmk__valid_interval_spec,
548 "Polling interval to recheck cluster state and evaluate rules "
549 "with date specifications",
550 "Pacemaker is primarily event-driven, and looks ahead to know when to "
551 "recheck cluster state for failure timeouts and most time-based "
552 "rules. However, it will also recheck the cluster after this "
553 "amount of inactivity, to evaluate rules with date specifications "
554 "and serve as a fail-safe for certain types of scheduler bugs."
555 },
556 {
557 "load-threshold", NULL, "percentage", NULL,
558 "80%", pcmk__valid_utilization,
559 "Maximum amount of system load that should be used by cluster nodes",
560 "The cluster will slow down its recovery process when the amount of "
561 "system resources used (currently CPU) approaches this limit",
562 },
563 {
564 "node-action-limit", NULL, "integer", NULL,
565 "0", pcmk__valid_number,
566 "Maximum number of jobs that can be scheduled per node "
567 "(defaults to 2x cores)"
568 },
569 { XML_CONFIG_ATTR_FENCE_REACTION, NULL, "string", NULL, "stop", NULL,
570 "How a cluster node should react if notified of its own fencing",
571 "A cluster node may receive notification of its own fencing if fencing "
572 "is misconfigured, or if fabric fencing is in use that doesn't cut "
573 "cluster communication. Allowed values are \"stop\" to attempt to "
574 "immediately stop pacemaker and stay stopped, or \"panic\" to attempt "
575 "to immediately reboot the local node, falling back to stop on failure."
576 },
577 {
578 XML_CONFIG_ATTR_ELECTION_FAIL, NULL, "time", NULL,
579 "2min", pcmk__valid_interval_spec,
580 "*** Advanced Use Only ***",
581 "Declare an election failed if it is not decided within this much "
582 "time. If you need to adjust this value, it probably indicates "
583 "the presence of a bug."
584 },
585 {
586 XML_CONFIG_ATTR_FORCE_QUIT, NULL, "time", NULL,
587 "20min", pcmk__valid_interval_spec,
588 "*** Advanced Use Only ***",
589 "Exit immediately if shutdown does not complete within this much "
590 "time. If you need to adjust this value, it probably indicates "
591 "the presence of a bug."
592 },
593 {
594 "join-integration-timeout", "crmd-integration-timeout", "time", NULL,
595 "3min", pcmk__valid_interval_spec,
596 "*** Advanced Use Only ***",
597 "If you need to adjust this value, it probably indicates "
598 "the presence of a bug."
599 },
600 {
601 "join-finalization-timeout", "crmd-finalization-timeout", "time", NULL,
602 "30min", pcmk__valid_interval_spec,
603 "*** Advanced Use Only ***",
604 "If you need to adjust this value, it probably indicates "
605 "the presence of a bug."
606 },
607 {
608 "transition-delay", "crmd-transition-delay", "time", NULL,
609 "0s", pcmk__valid_interval_spec,
610 "*** Advanced Use Only *** Enabling this option will slow down "
611 "cluster recovery under all conditions",
612 "Delay cluster recovery for this much time to allow for additional "
613 "events to occur. Useful if your configuration is sensitive to "
614 "the order in which ping updates arrive."
615 },
616 {
617 "stonith-watchdog-timeout", NULL, "time", NULL,
618 "0", pcmk__valid_sbd_timeout,
619 "How long to wait before we can assume nodes are safely down "
620 "when watchdog-based self-fencing via SBD is in use",
621 "If nonzero, along with `have-watchdog=true` automatically set by the "
622 "cluster, when fencing is required, watchdog-based self-fencing "
623 "will be performed via SBD without requiring a fencing resource "
624 "explicitly configured. "
625 "If `stonith-watchdog-timeout` is set to a positive value, unseen "
626 "nodes are assumed to self-fence within this much time. +WARNING:+ "
627 "It must be ensured that this value is larger than the "
628 "`SBD_WATCHDOG_TIMEOUT` environment variable on all nodes. "
629 "Pacemaker verifies the settings individually on all nodes and "
630 "prevents startup or shuts down if configured wrongly on the fly. "
631 "It's strongly recommended that `SBD_WATCHDOG_TIMEOUT` is set to "
632 "the same value on all nodes. "
633 "If `stonith-watchdog-timeout` is set to a negative value, and "
634 "`SBD_WATCHDOG_TIMEOUT` is set, twice that value will be used. "
635 "+WARNING:+ In this case, it's essential (currently not verified by "
636 "pacemaker) that `SBD_WATCHDOG_TIMEOUT` is set to the same value on "
637 "all nodes."
638 },
639 {
640 "stonith-max-attempts", NULL, "integer", NULL,
641 "10", pcmk__valid_positive_number,
642 "How many times fencing can fail before it will no longer be "
643 "immediately re-attempted on a target"
644 },
645
646
647 {
648 "no-quorum-policy", NULL, "enum", "stop, freeze, ignore, demote, suicide",
649 "stop", pcmk__valid_quorum, NULL, NULL
650 },
651 {
652 XML_CONFIG_ATTR_SHUTDOWN_LOCK, NULL, "boolean", NULL,
653 "false", pcmk__valid_boolean, NULL, NULL
654 },
655 };
656
657 void
658 crmd_metadata(void)
659 {
660 pcmk__print_option_metadata("pacemaker-controld", "1.0",
661 "Pacemaker controller options",
662 "Cluster options used by Pacemaker's "
663 "controller (formerly called crmd)",
664 crmd_opts, PCMK__NELEM(crmd_opts));
665 }
666
667 static void
668 verify_crmd_options(GHashTable * options)
669 {
670 pcmk__validate_cluster_options(options, crmd_opts, PCMK__NELEM(crmd_opts));
671 }
672
673 static const char *
674 crmd_pref(GHashTable * options, const char *name)
675 {
676 return pcmk__cluster_option(options, crmd_opts, PCMK__NELEM(crmd_opts),
677 name);
678 }
679
680 static void
681 config_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
682 {
683 const char *value = NULL;
684 GHashTable *config_hash = NULL;
685 crm_time_t *now = crm_time_new(NULL);
686 xmlNode *crmconfig = NULL;
687 xmlNode *alerts = NULL;
688
689 if (rc != pcmk_ok) {
690 fsa_data_t *msg_data = NULL;
691
692 crm_err("Local CIB query resulted in an error: %s", pcmk_strerror(rc));
693 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
694
695 if (rc == -EACCES || rc == -pcmk_err_schema_validation) {
696 crm_err("The cluster is mis-configured - shutting down and staying down");
697 controld_set_fsa_input_flags(R_STAYDOWN);
698 }
699 goto bail;
700 }
701
702 crmconfig = output;
703 if ((crmconfig) &&
704 (crm_element_name(crmconfig)) &&
705 (strcmp(crm_element_name(crmconfig), XML_CIB_TAG_CRMCONFIG) != 0)) {
706 crmconfig = first_named_child(crmconfig, XML_CIB_TAG_CRMCONFIG);
707 }
708 if (!crmconfig) {
709 fsa_data_t *msg_data = NULL;
710
711 crm_err("Local CIB query for " XML_CIB_TAG_CRMCONFIG " section failed");
712 register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
713 goto bail;
714 }
715
716 crm_debug("Call %d : Parsing CIB options", call_id);
717 config_hash = pcmk__strkey_table(free, free);
718 pe_unpack_nvpairs(crmconfig, crmconfig, XML_CIB_TAG_PROPSET, NULL,
719 config_hash, CIB_OPTIONS_FIRST, FALSE, now, NULL);
720
721 verify_crmd_options(config_hash);
722
723 value = crmd_pref(config_hash, XML_CONFIG_ATTR_DC_DEADTIME);
724 election_trigger->period_ms = crm_parse_interval_spec(value);
725
726 value = crmd_pref(config_hash, "node-action-limit");
727 throttle_update_job_max(value);
728
729 value = crmd_pref(config_hash, "load-threshold");
730 if(value) {
731 throttle_set_load_target(strtof(value, NULL) / 100.0);
732 }
733
734 value = crmd_pref(config_hash, "no-quorum-policy");
735 if (pcmk__str_eq(value, "suicide", pcmk__str_casei) && pcmk__locate_sbd()) {
736 no_quorum_suicide_escalation = TRUE;
737 }
738
739 set_fence_reaction(crmd_pref(config_hash, XML_CONFIG_ATTR_FENCE_REACTION));
740
741 value = crmd_pref(config_hash,"stonith-max-attempts");
742 update_stonith_max_attempts(value);
743
744 value = crmd_pref(config_hash, XML_CONFIG_ATTR_FORCE_QUIT);
745 shutdown_escalation_timer->period_ms = crm_parse_interval_spec(value);
746 crm_debug("Shutdown escalation occurs if DC has not responded to request in %ums",
747 shutdown_escalation_timer->period_ms);
748
749 value = crmd_pref(config_hash, XML_CONFIG_ATTR_ELECTION_FAIL);
750 controld_set_election_period(value);
751
752 value = crmd_pref(config_hash, XML_CONFIG_ATTR_RECHECK);
753 recheck_interval_ms = crm_parse_interval_spec(value);
754 crm_debug("Re-run scheduler after %dms of inactivity", recheck_interval_ms);
755
756 value = crmd_pref(config_hash, "transition-delay");
757 transition_timer->period_ms = crm_parse_interval_spec(value);
758
759 value = crmd_pref(config_hash, "join-integration-timeout");
760 integration_timer->period_ms = crm_parse_interval_spec(value);
761
762 value = crmd_pref(config_hash, "join-finalization-timeout");
763 finalization_timer->period_ms = crm_parse_interval_spec(value);
764
765 value = crmd_pref(config_hash, XML_CONFIG_ATTR_SHUTDOWN_LOCK);
766 controld_shutdown_lock_enabled = crm_is_true(value);
767
768 free(fsa_cluster_name);
769 fsa_cluster_name = NULL;
770
771 value = g_hash_table_lookup(config_hash, "cluster-name");
772 if (value) {
773 fsa_cluster_name = strdup(value);
774 }
775
776 alerts = first_named_child(output, XML_CIB_TAG_ALERTS);
777 crmd_unpack_alerts(alerts);
778
779 controld_set_fsa_input_flags(R_READ_CONFIG);
780 crm_trace("Triggering FSA: %s", __func__);
781 mainloop_set_trigger(fsa_source);
782
783 g_hash_table_destroy(config_hash);
784 bail:
785 crm_time_free(now);
786 }
787
788 gboolean
789 crm_read_options(gpointer user_data)
790 {
791 int call_id =
792 fsa_cib_conn->cmds->query(fsa_cib_conn,
793 "//" XML_CIB_TAG_CRMCONFIG " | //" XML_CIB_TAG_ALERTS,
794 NULL, cib_xpath | cib_scope_local);
795
796 fsa_register_cib_callback(call_id, FALSE, NULL, config_query_callback);
797 crm_trace("Querying the CIB... call %d", call_id);
798 return TRUE;
799 }
800
801
802 void
803 do_read_config(long long action,
804 enum crmd_fsa_cause cause,
805 enum crmd_fsa_state cur_state,
806 enum crmd_fsa_input current_input, fsa_data_t * msg_data)
807 {
808 throttle_init();
809 mainloop_set_trigger(config_read);
810 }
811
812 void
813 crm_shutdown(int nsig)
814 {
815 if ((crmd_mainloop == NULL) || !g_main_loop_is_running(crmd_mainloop)) {
816 crmd_exit(CRM_EX_OK);
817 return;
818 }
819
820 if (pcmk_is_set(fsa_input_register, R_SHUTDOWN)) {
821 crm_err("Escalating shutdown");
822 register_fsa_input_before(C_SHUTDOWN, I_ERROR, NULL);
823 return;
824 }
825
826 controld_set_fsa_input_flags(R_SHUTDOWN);
827 register_fsa_input(C_SHUTDOWN, I_SHUTDOWN, NULL);
828
829 if (shutdown_escalation_timer->period_ms == 0) {
830 const char *value = crmd_pref(NULL, XML_CONFIG_ATTR_FORCE_QUIT);
831
832 shutdown_escalation_timer->period_ms = crm_parse_interval_spec(value);
833 }
834
835 crm_notice("Initiating controller shutdown sequence " CRM_XS
836 " limit=%ums", shutdown_escalation_timer->period_ms);
837 controld_start_timer(shutdown_escalation_timer);
838 }
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