diff --git a/crmd/control.c b/crmd/control.c
index 75784c205d..87f9ba57e3 100644
--- a/crmd/control.c
+++ b/crmd/control.c
@@ -1,1031 +1,1031 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* 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 <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/pengine/rules.h>
#include <crm/cluster/internal.h>
#include <crm/cluster/election.h>
#include <crm/common/ipcs.h>
#include <crmd.h>
#include <crmd_fsa.h>
#include <fsa_proto.h>
#include <crmd_messages.h>
#include <crmd_callbacks.h>
#include <crmd_lrm.h>
#include <tengine.h>
#include <throttle.h>
#include <sys/types.h>
#include <sys/stat.h>
qb_ipcs_service_t *ipcs = NULL;
extern gboolean crm_connect_corosync(crm_cluster_t * cluster);
extern void crmd_ha_connection_destroy(gpointer user_data);
void crm_shutdown(int nsig);
gboolean crm_read_options(gpointer user_data);
gboolean fsa_has_quorum = FALSE;
crm_trigger_t *fsa_source = NULL;
crm_trigger_t *config_read = NULL;
static gboolean
election_timeout_popped(gpointer data)
{
/* Not everyone voted */
crm_info("Election failed: Declaring ourselves the winner");
register_fsa_input(C_TIMER_POPPED, I_ELECTION_DC, NULL);
return FALSE;
}
/* A_HA_CONNECT */
void
do_ha_control(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
gboolean registered = FALSE;
static crm_cluster_t *cluster = NULL;
if (cluster == NULL) {
cluster = calloc(1, sizeof(crm_cluster_t));
}
if (action & A_HA_DISCONNECT) {
crm_cluster_disconnect(cluster);
crm_info("Disconnected from the cluster");
set_bit(fsa_input_register, R_HA_DISCONNECTED);
}
if (action & A_HA_CONNECT) {
crm_set_status_callback(&peer_update_callback);
if (is_openais_cluster()) {
#if SUPPORT_COROSYNC
registered = crm_connect_corosync(cluster);
#endif
} else if (is_heartbeat_cluster()) {
#if SUPPORT_HEARTBEAT
cluster->destroy = crmd_ha_connection_destroy;
cluster->hb_dispatch = crmd_ha_msg_callback;
registered = crm_cluster_connect(cluster);
fsa_cluster_conn = cluster->hb_conn;
crm_trace("Be informed of Node Status changes");
if (registered &&
fsa_cluster_conn->llc_ops->set_nstatus_callback(fsa_cluster_conn,
crmd_ha_status_callback,
fsa_cluster_conn) != HA_OK) {
crm_err("Cannot set nstatus callback: %s",
fsa_cluster_conn->llc_ops->errmsg(fsa_cluster_conn));
registered = FALSE;
}
crm_trace("Be informed of CRM Client Status changes");
if (registered &&
fsa_cluster_conn->llc_ops->set_cstatus_callback(fsa_cluster_conn,
crmd_client_status_callback,
fsa_cluster_conn) != HA_OK) {
crm_err("Cannot set cstatus callback: %s",
fsa_cluster_conn->llc_ops->errmsg(fsa_cluster_conn));
registered = FALSE;
}
if (registered) {
crm_trace("Requesting an initial dump of CRMD client_status");
fsa_cluster_conn->llc_ops->client_status(fsa_cluster_conn, NULL, CRM_SYSTEM_CRMD,
-1);
}
#endif
}
fsa_election = election_init(NULL, cluster->uname, 60000/*60s*/, election_timeout_popped);
fsa_our_uname = cluster->uname;
fsa_our_uuid = cluster->uuid;
if(cluster->uuid == NULL) {
crm_err("Could not obtain local uuid");
registered = FALSE;
}
if (registered == FALSE) {
set_bit(fsa_input_register, R_HA_DISCONNECTED);
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
return;
}
populate_cib_nodes(node_update_none, __FUNCTION__);
clear_bit(fsa_input_register, R_HA_DISCONNECTED);
crm_info("Connected to the cluster");
}
if (action & ~(A_HA_CONNECT | A_HA_DISCONNECT)) {
crm_err("Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__);
}
}
/* A_SHUTDOWN */
void
do_shutdown(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
/* just in case */
set_bit(fsa_input_register, R_SHUTDOWN);
if (is_heartbeat_cluster()) {
if (is_set(fsa_input_register, pe_subsystem->flag_connected)) {
crm_info("Terminating the %s", pe_subsystem->name);
if (stop_subsystem(pe_subsystem, TRUE) == FALSE) {
/* its gone... */
crm_err("Faking %s exit", pe_subsystem->name);
clear_bit(fsa_input_register, pe_subsystem->flag_connected);
} else {
crm_info("Waiting for subsystems to exit");
crmd_fsa_stall(FALSE);
}
}
crm_info("All subsystems stopped, continuing");
}
if (stonith_api) {
/* Prevent it from comming up again */
clear_bit(fsa_input_register, R_ST_REQUIRED);
crm_info("Disconnecting STONITH...");
stonith_api->cmds->disconnect(stonith_api);
}
}
/* A_SHUTDOWN_REQ */
void
do_shutdown_req(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
xmlNode *msg = NULL;
crm_info("Sending shutdown request to %s", crm_str(fsa_our_dc));
msg = create_request(CRM_OP_SHUTDOWN_REQ, NULL, NULL, CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL);
/* set_bit(fsa_input_register, R_STAYDOWN); */
if (send_cluster_message(NULL, crm_msg_crmd, msg, TRUE) == FALSE) {
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
}
free_xml(msg);
}
extern crm_ipc_t *attrd_ipc;
extern char *max_generation_from;
extern xmlNode *max_generation_xml;
extern GHashTable *resource_history;
extern GHashTable *voted;
extern GHashTable *reload_hash;
extern char *te_client_id;
void log_connected_client(gpointer key, gpointer value, gpointer user_data);
void
log_connected_client(gpointer key, gpointer value, gpointer user_data)
{
crm_client_t *client = value;
crm_err("%s is still connected at exit", crm_client_name(client));
}
int
crmd_fast_exit(int rc)
{
if (is_set(fsa_input_register, R_STAYDOWN)) {
crm_warn("Inhibiting respawn: %d -> %d", rc, 100);
rc = 100;
}
if (rc == pcmk_ok && is_set(fsa_input_register, R_IN_RECOVERY)) {
crm_err("Could not recover from internal error");
rc = pcmk_err_generic;
}
return crm_exit(rc);
}
int
crmd_exit(int rc)
{
GListPtr gIter = NULL;
GMainLoop *mloop = crmd_mainloop;
static bool in_progress = FALSE;
if(in_progress && rc == 0) {
crm_debug("Exit is already in progress");
return rc;
} else if(in_progress) {
crm_notice("Error during shutdown process, terminating now: %s (%d)", pcmk_strerror(rc), rc);
crm_write_blackbox(SIGTRAP, NULL);
crmd_fast_exit(rc);
}
in_progress = TRUE;
crm_trace("Preparing to exit: %d", rc);
/* Suppress secondary errors resulting from us disconnecting everything */
set_bit(fsa_input_register, R_HA_DISCONNECTED);
/* Close all IPC servers and clients to ensure any and all shared memory files are cleaned up */
if(ipcs) {
crm_trace("Closing IPC server");
mainloop_del_ipc_server(ipcs);
ipcs = NULL;
}
if (attrd_ipc) {
crm_trace("Closing attrd connection");
crm_ipc_close(attrd_ipc);
crm_ipc_destroy(attrd_ipc);
attrd_ipc = NULL;
}
if (pe_subsystem && pe_subsystem->client && pe_subsystem->client->ipcs) {
crm_trace("Disconnecting Policy Engine");
qb_ipcs_disconnect(pe_subsystem->client->ipcs);
}
if(stonith_api) {
crm_trace("Disconnecting fencing API");
clear_bit(fsa_input_register, R_ST_REQUIRED);
stonith_api->cmds->free(stonith_api); stonith_api = NULL;
}
if (rc == pcmk_ok && crmd_mainloop == NULL) {
crm_debug("No mainloop detected");
rc = EPROTO;
}
/* On an error, just get out.
*
* Otherwise, make the effort to have mainloop exit gracefully so
* that it (mostly) cleans up after itself and valgrind has less
* to report on - allowing real errors stand out
*/
if(rc != pcmk_ok) {
crm_notice("Forcing immediate exit: %s (%d)", pcmk_strerror(rc), rc);
crm_write_blackbox(SIGTRAP, NULL);
return crmd_fast_exit(rc);
}
/* Clean up as much memory as possible for valgrind */
for (gIter = fsa_message_queue; gIter != NULL; gIter = gIter->next) {
fsa_data_t *fsa_data = gIter->data;
crm_info("Dropping %s: [ state=%s cause=%s origin=%s ]",
fsa_input2string(fsa_data->fsa_input),
fsa_state2string(fsa_state),
fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin);
delete_fsa_input(fsa_data);
}
clear_bit(fsa_input_register, R_MEMBERSHIP);
g_list_free(fsa_message_queue); fsa_message_queue = NULL;
free(pe_subsystem); pe_subsystem = NULL;
free(te_subsystem); te_subsystem = NULL;
free(cib_subsystem); cib_subsystem = NULL;
if (reload_hash) {
crm_trace("Destroying reload cache with %d members", g_hash_table_size(reload_hash));
g_hash_table_destroy(reload_hash); reload_hash = NULL;
}
election_fini(fsa_election);
fsa_election = NULL;
cib_delete(fsa_cib_conn);
fsa_cib_conn = NULL;
verify_stopped(fsa_state, LOG_WARNING);
clear_bit(fsa_input_register, R_LRM_CONNECTED);
lrm_state_destroy_all();
/* This basically will not work, since mainloop has a reference to it */
mainloop_destroy_trigger(fsa_source); fsa_source = NULL;
mainloop_destroy_trigger(config_read); config_read = NULL;
mainloop_destroy_trigger(stonith_reconnect); stonith_reconnect = NULL;
mainloop_destroy_trigger(transition_trigger); transition_trigger = NULL;
crm_client_cleanup();
crm_peer_destroy();
crm_timer_stop(transition_timer);
crm_timer_stop(integration_timer);
crm_timer_stop(finalization_timer);
crm_timer_stop(election_trigger);
election_timeout_stop(fsa_election);
crm_timer_stop(shutdown_escalation_timer);
crm_timer_stop(wait_timer);
crm_timer_stop(recheck_timer);
free(transition_timer); transition_timer = NULL;
free(integration_timer); integration_timer = NULL;
free(finalization_timer); finalization_timer = NULL;
free(election_trigger); election_trigger = NULL;
election_fini(fsa_election);
free(shutdown_escalation_timer); shutdown_escalation_timer = NULL;
free(wait_timer); wait_timer = NULL;
free(recheck_timer); recheck_timer = NULL;
free(fsa_our_dc_version); fsa_our_dc_version = NULL;
free(fsa_our_uname); fsa_our_uname = NULL;
free(fsa_our_uuid); fsa_our_uuid = NULL;
free(fsa_our_dc); fsa_our_dc = NULL;
free(te_uuid); te_uuid = NULL;
free(te_client_id); te_client_id = NULL;
free(fsa_pe_ref); fsa_pe_ref = NULL;
free(failed_stop_offset); failed_stop_offset = NULL;
free(failed_start_offset); failed_start_offset = NULL;
free(max_generation_from); max_generation_from = NULL;
free_xml(max_generation_xml); max_generation_xml = NULL;
mainloop_destroy_signal(SIGUSR1);
mainloop_destroy_signal(SIGTERM);
mainloop_destroy_signal(SIGTRAP);
mainloop_destroy_signal(SIGCHLD);
if (mloop) {
int lpc = 0;
GMainContext *ctx = g_main_loop_get_context(crmd_mainloop);
/* Don't re-enter this block */
crmd_mainloop = NULL;
crm_trace("Draining mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
while(g_main_context_pending(ctx) && lpc < 10) {
lpc++;
crm_trace("Iteration %d", lpc);
g_main_context_dispatch(ctx);
}
crm_trace("Closing mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx));
g_main_loop_quit(mloop);
#if SUPPORT_HEARTBEAT
/* Do this only after g_main_loop_quit().
*
* This interface was broken (incomplete) since it was introduced.
* ->delete() does cleanup and free most of it, but it does not
* actually remove and destroy the corresponding GSource, so the next
* prepare/check iteratioin would find a corrupt (because partially
* freed) GSource, and segfault.
*
* Apparently one was supposed to store the GSource as returned by
* G_main_add_ll_cluster(), and g_source_destroy() that "by hand".
*
* But no-one ever did this, not even in the old hb code when this was
* introduced.
*
* Note that fsa_cluster_conn was set as an "alias" to cluster->hb_conn
* in do_ha_control() right after crm_cluster_connect(), and only
* happens to still point at that object, because do_ha_control() does
* not reset it to NULL after crm_cluster_disconnect() above does
* reset cluster->hb_conn to NULL.
* Not sure if that's something to cleanup, too.
*
* I'll try to fix this up in heartbeat proper, so ->delete
* will actually remove, and destroy, and unref, and free this thing.
* Doing so after g_main_loop_quit() is valid with both old,
* and eventually fixed heartbeat.
*
* If we introduce the "by hand" destroy/remove/unref,
* this may break again once heartbeat is fixed :-(
*
* -- Lars Ellenberg
*/
if (fsa_cluster_conn) {
crm_trace("Deleting heartbeat api object");
fsa_cluster_conn->llc_ops->delete(fsa_cluster_conn);
fsa_cluster_conn = NULL;
}
#endif
/* Won't do anything yet, since we're inside it now */
g_main_loop_unref(mloop);
crm_trace("Done %d", rc);
}
/* Graceful */
return rc;
}
/* A_EXIT_0, A_EXIT_1 */
void
do_exit(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
int exit_code = pcmk_ok;
int log_level = LOG_INFO;
const char *exit_type = "gracefully";
if (action & A_EXIT_1) {
/* exit_code = pcmk_err_generic; */
log_level = LOG_ERR;
exit_type = "forcefully";
exit_code = pcmk_err_generic;
}
verify_stopped(cur_state, LOG_ERR);
do_crm_log(log_level, "Performing %s - %s exiting the CRMd",
fsa_action2string(action), exit_type);
crm_info("[%s] stopped (%d)", crm_system_name, exit_code);
crmd_exit(exit_code);
}
/* A_STARTUP */
void
do_startup(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
int was_error = 0;
int interval = 1; /* seconds between DC heartbeats */
crm_debug("Registering Signal Handlers");
mainloop_add_signal(SIGTERM, crm_shutdown);
fsa_source = mainloop_add_trigger(G_PRIORITY_HIGH, crm_fsa_trigger, NULL);
config_read = mainloop_add_trigger(G_PRIORITY_HIGH, crm_read_options, NULL);
transition_trigger = mainloop_add_trigger(G_PRIORITY_LOW, te_graph_trigger, NULL);
crm_debug("Creating CIB and LRM objects");
fsa_cib_conn = cib_new();
lrm_state_init_local();
/* set up the timers */
transition_timer = calloc(1, sizeof(fsa_timer_t));
integration_timer = calloc(1, sizeof(fsa_timer_t));
finalization_timer = calloc(1, sizeof(fsa_timer_t));
election_trigger = calloc(1, sizeof(fsa_timer_t));
shutdown_escalation_timer = calloc(1, sizeof(fsa_timer_t));
wait_timer = calloc(1, sizeof(fsa_timer_t));
recheck_timer = calloc(1, sizeof(fsa_timer_t));
interval = interval * 1000;
if (election_trigger != NULL) {
election_trigger->source_id = 0;
election_trigger->period_ms = -1;
election_trigger->fsa_input = I_DC_TIMEOUT;
election_trigger->callback = crm_timer_popped;
election_trigger->repeat = FALSE;
} else {
was_error = TRUE;
}
if (transition_timer != NULL) {
transition_timer->source_id = 0;
transition_timer->period_ms = -1;
transition_timer->fsa_input = I_PE_CALC;
transition_timer->callback = crm_timer_popped;
transition_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (integration_timer != NULL) {
integration_timer->source_id = 0;
integration_timer->period_ms = -1;
integration_timer->fsa_input = I_INTEGRATED;
integration_timer->callback = crm_timer_popped;
integration_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (finalization_timer != NULL) {
finalization_timer->source_id = 0;
finalization_timer->period_ms = -1;
finalization_timer->fsa_input = I_FINALIZED;
finalization_timer->callback = crm_timer_popped;
finalization_timer->repeat = FALSE;
/* for possible enabling... a bug in the join protocol left
* a slave in S_PENDING while we think its in S_NOT_DC
*
* raising I_FINALIZED put us into a transition loop which is
* never resolved.
* in this loop we continually send probes which the node
* NACK's because its in S_PENDING
*
* if we have nodes where heartbeat is active but the
* CRM is not... then this will be handled in the
* integration phase
*/
finalization_timer->fsa_input = I_ELECTION;
} else {
was_error = TRUE;
}
if (shutdown_escalation_timer != NULL) {
shutdown_escalation_timer->source_id = 0;
shutdown_escalation_timer->period_ms = -1;
shutdown_escalation_timer->fsa_input = I_STOP;
shutdown_escalation_timer->callback = crm_timer_popped;
shutdown_escalation_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (wait_timer != NULL) {
wait_timer->source_id = 0;
wait_timer->period_ms = 2000;
wait_timer->fsa_input = I_NULL;
wait_timer->callback = crm_timer_popped;
wait_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
if (recheck_timer != NULL) {
recheck_timer->source_id = 0;
recheck_timer->period_ms = -1;
recheck_timer->fsa_input = I_PE_CALC;
recheck_timer->callback = crm_timer_popped;
recheck_timer->repeat = FALSE;
} else {
was_error = TRUE;
}
/* set up the sub systems */
cib_subsystem = calloc(1, sizeof(struct crm_subsystem_s));
te_subsystem = calloc(1, sizeof(struct crm_subsystem_s));
pe_subsystem = calloc(1, sizeof(struct crm_subsystem_s));
if (cib_subsystem != NULL) {
cib_subsystem->pid = -1;
cib_subsystem->name = CRM_SYSTEM_CIB;
cib_subsystem->flag_connected = R_CIB_CONNECTED;
cib_subsystem->flag_required = R_CIB_REQUIRED;
} else {
was_error = TRUE;
}
if (te_subsystem != NULL) {
te_subsystem->pid = -1;
te_subsystem->name = CRM_SYSTEM_TENGINE;
te_subsystem->flag_connected = R_TE_CONNECTED;
te_subsystem->flag_required = R_TE_REQUIRED;
} else {
was_error = TRUE;
}
if (pe_subsystem != NULL) {
pe_subsystem->pid = -1;
pe_subsystem->path = CRM_DAEMON_DIR;
pe_subsystem->name = CRM_SYSTEM_PENGINE;
pe_subsystem->command = CRM_DAEMON_DIR "/" CRM_SYSTEM_PENGINE;
pe_subsystem->args = NULL;
pe_subsystem->flag_connected = R_PE_CONNECTED;
pe_subsystem->flag_required = R_PE_REQUIRED;
} else {
was_error = TRUE;
}
if (was_error == FALSE && is_heartbeat_cluster()) {
if (start_subsystem(pe_subsystem) == FALSE) {
was_error = TRUE;
}
}
if (was_error) {
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
}
}
static int32_t
crmd_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid)
{
crm_trace("Connection %p", c);
if (crm_client_new(c, uid, gid) == NULL) {
return -EIO;
}
return 0;
}
static void
crmd_ipc_created(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
}
static int32_t
crmd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
uint32_t id = 0;
uint32_t flags = 0;
crm_client_t *client = crm_client_get(c);
xmlNode *msg = crm_ipcs_recv(client, data, size, &id, &flags);
crm_trace("Invoked: %s", crm_client_name(client));
crm_ipcs_send_ack(client, id, flags, "ack", __FUNCTION__, __LINE__);
if (msg == NULL) {
return 0;
}
#if ENABLE_ACL
determine_request_user(client->user, msg, F_CRM_USER);
#endif
crm_trace("Processing msg from %s", crm_client_name(client));
crm_log_xml_trace(msg, "CRMd[inbound]");
crm_xml_add(msg, F_CRM_SYS_FROM, client->id);
if (crmd_authorize_message(msg, client, NULL)) {
route_message(C_IPC_MESSAGE, msg);
}
trigger_fsa(fsa_source);
free_xml(msg);
return 0;
}
static int32_t
crmd_ipc_closed(qb_ipcs_connection_t * c)
{
crm_client_t *client = crm_client_get(c);
struct crm_subsystem_s *the_subsystem = NULL;
if (client == NULL) {
return 0;
}
crm_trace("Connection %p", c);
if (client->userdata == NULL) {
crm_trace("Client hadn't registered with us yet");
} else if (strcasecmp(CRM_SYSTEM_PENGINE, client->userdata) == 0) {
the_subsystem = pe_subsystem;
} else if (strcasecmp(CRM_SYSTEM_TENGINE, client->userdata) == 0) {
the_subsystem = te_subsystem;
} else if (strcasecmp(CRM_SYSTEM_CIB, client->userdata) == 0) {
the_subsystem = cib_subsystem;
}
if (the_subsystem != NULL) {
the_subsystem->source = NULL;
the_subsystem->client = NULL;
crm_info("Received HUP from %s:[%d]", the_subsystem->name, the_subsystem->pid);
} else {
/* else that was a transient client */
crm_trace("Received HUP from transient client");
}
crm_trace("Disconnecting client %s (%p)", crm_client_name(client), client);
free(client->userdata);
crm_client_destroy(client);
trigger_fsa(fsa_source);
return 0;
}
static void
crmd_ipc_destroy(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
crmd_ipc_closed(c);
}
/* A_STOP */
void
do_stop(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
crm_trace("Closing IPC server");
mainloop_del_ipc_server(ipcs); ipcs = NULL;
register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
}
/* A_STARTED */
void
do_started(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
static struct qb_ipcs_service_handlers crmd_callbacks = {
.connection_accept = crmd_ipc_accept,
.connection_created = crmd_ipc_created,
.msg_process = crmd_ipc_dispatch,
.connection_closed = crmd_ipc_closed,
.connection_destroyed = crmd_ipc_destroy
};
if (cur_state != S_STARTING) {
crm_err("Start cancelled... %s", fsa_state2string(cur_state));
return;
} else if (is_set(fsa_input_register, R_MEMBERSHIP) == FALSE) {
crm_info("Delaying start, no membership data (%.16llx)", R_MEMBERSHIP);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_LRM_CONNECTED) == FALSE) {
crm_info("Delaying start, LRM not connected (%.16llx)", R_LRM_CONNECTED);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) {
crm_info("Delaying start, CIB not connected (%.16llx)", R_CIB_CONNECTED);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_READ_CONFIG) == FALSE) {
crm_info("Delaying start, Config not read (%.16llx)", R_READ_CONFIG);
crmd_fsa_stall(TRUE);
return;
} else if (is_set(fsa_input_register, R_PEER_DATA) == FALSE) {
/* try reading from HA */
crm_info("Delaying start, No peer data (%.16llx)", R_PEER_DATA);
#if SUPPORT_HEARTBEAT
if (is_heartbeat_cluster()) {
HA_Message *msg = NULL;
crm_trace("Looking for a HA message");
msg = fsa_cluster_conn->llc_ops->readmsg(fsa_cluster_conn, 0);
if (msg != NULL) {
crm_trace("There was a HA message");
ha_msg_del(msg);
}
}
#endif
crmd_fsa_stall(TRUE);
return;
}
crm_debug("Init server comms");
ipcs = crmd_ipc_server_init(&crmd_callbacks);
if (ipcs == NULL) {
crm_err("Failed to create IPC server: shutting down and inhibiting respawn");
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
}
if (stonith_reconnect == NULL) {
int dummy;
stonith_reconnect = mainloop_add_trigger(G_PRIORITY_LOW, te_connect_stonith, &dummy);
}
set_bit(fsa_input_register, R_ST_REQUIRED);
mainloop_set_trigger(stonith_reconnect);
crm_notice("The local CRM is operational");
clear_bit(fsa_input_register, R_STARTING);
register_fsa_input(msg_data->fsa_cause, I_PENDING, NULL);
}
/* A_RECOVER */
void
do_recover(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
set_bit(fsa_input_register, R_IN_RECOVERY);
crm_warn("Fast-tracking shutdown in response to errors");
register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL);
}
/* *INDENT-OFF* */
pe_cluster_option crmd_opts[] = {
/* name, old-name, validate, default, description */
{ "dc-version", NULL, "string", NULL, "none", NULL, "Version of Pacemaker on the cluster's DC.", "Includes the hash which identifies the exact Mercurial changeset it was built from. Used for diagnostic purposes." },
{ "cluster-infrastructure", NULL, "string", NULL, "heartbeat", NULL, "The messaging stack on which Pacemaker is currently running.", "Used for informational and diagnostic purposes." },
{ XML_CONFIG_ATTR_DC_DEADTIME, "dc_deadtime", "time", NULL, "20s", &check_time, "How long to wait for a response from other nodes during startup.", "The \"correct\" value will depend on the speed/load of your network and the type of switches used." },
{ XML_CONFIG_ATTR_RECHECK, "cluster_recheck_interval", "time",
"Zero disables polling. Positive values are an interval in seconds (unless other SI units are specified. eg. 5min)", "15min", &check_timer,
"Polling interval for time based changes to options, resource parameters and constraints.",
"The Cluster is primarily event driven, however the configuration can have elements that change based on time."
" To ensure these changes take effect, we can optionally poll the cluster's status for changes." },
{ "load-threshold", NULL, "percentage", NULL, "80%", &check_utilization,
"The maximum amount of system resources that should be used by nodes in the cluster",
"The cluster will slow down its recovery process when the amount of system resources used"
" (currently CPU) approaches this limit", },
- { "node-action-limit", "migration-limit", "integer", NULL, "0", &check_number,
+ { "node-action-limit", NULL, "integer", NULL, "0", &check_number,
"The maximum number of jobs that can be scheduled per node. Defaults to 2x cores"},
{ XML_CONFIG_ATTR_ELECTION_FAIL, "election_timeout", "time", NULL, "2min", &check_timer, "*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug." },
{ XML_CONFIG_ATTR_FORCE_QUIT, "shutdown_escalation", "time", NULL, "20min", &check_timer, "*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug." },
{ "crmd-integration-timeout", NULL, "time", NULL, "3min", &check_timer, "*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug." },
{ "crmd-finalization-timeout", NULL, "time", NULL, "30min", &check_timer, "*** Advanced Use Only ***.", "If you need to adjust this value, it probably indicates the presence of a bug." },
{ "crmd-transition-delay", NULL, "time", NULL, "0s", &check_timer, "*** Advanced Use Only ***\nEnabling this option will slow down cluster recovery under all conditions", "Delay cluster recovery for the configured interval to allow for additional/related events to occur.\nUseful if your configuration is sensitive to the order in which ping updates arrive." },
#if SUPPORT_PLUGIN
{ XML_ATTR_EXPECTED_VOTES, NULL, "integer", NULL, "2", &check_number, "The number of nodes expected to be in the cluster", "Used to calculate quorum in openais based clusters." },
#endif
};
/* *INDENT-ON* */
void
crmd_metadata(void)
{
config_metadata("CRM Daemon", "1.0",
"CRM Daemon Options",
"This is a fake resource that details the options that can be configured for the CRM Daemon.",
crmd_opts, DIMOF(crmd_opts));
}
static void
verify_crmd_options(GHashTable * options)
{
verify_all_options(options, crmd_opts, DIMOF(crmd_opts));
}
static const char *
crmd_pref(GHashTable * options, const char *name)
{
return get_cluster_pref(options, crmd_opts, DIMOF(crmd_opts), name);
}
static void
config_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
{
const char *value = NULL;
GHashTable *config_hash = NULL;
crm_time_t *now = crm_time_new(NULL);
if (rc != pcmk_ok) {
fsa_data_t *msg_data = NULL;
crm_err("Local CIB query resulted in an error: %s", pcmk_strerror(rc));
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
if (rc == -EACCES || rc == -pcmk_err_dtd_validation) {
crm_err("The cluster is mis-configured - shutting down and staying down");
set_bit(fsa_input_register, R_STAYDOWN);
}
goto bail;
}
crm_debug("Call %d : Parsing CIB options", call_id);
config_hash =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
unpack_instance_attributes(output, output, XML_CIB_TAG_PROPSET, NULL, config_hash,
CIB_OPTIONS_FIRST, FALSE, now);
verify_crmd_options(config_hash);
value = crmd_pref(config_hash, XML_CONFIG_ATTR_DC_DEADTIME);
election_trigger->period_ms = crm_get_msec(value);
value = crmd_pref(config_hash, "node-action-limit"); /* Also checks migration-limit */
throttle_update_job_max(value);
value = crmd_pref(config_hash, "load-threshold");
if(value) {
throttle_load_target = strtof(value, NULL) / 100;
}
value = crmd_pref(config_hash, XML_CONFIG_ATTR_FORCE_QUIT);
shutdown_escalation_timer->period_ms = crm_get_msec(value);
/* How long to declare an election over - even if not everyone voted */
crm_debug("Shutdown escalation occurs after: %dms", shutdown_escalation_timer->period_ms);
value = crmd_pref(config_hash, XML_CONFIG_ATTR_ELECTION_FAIL);
election_timeout_set_period(fsa_election, crm_get_msec(value));
value = crmd_pref(config_hash, XML_CONFIG_ATTR_RECHECK);
recheck_timer->period_ms = crm_get_msec(value);
crm_debug("Checking for expired actions every %dms", recheck_timer->period_ms);
value = crmd_pref(config_hash, "crmd-transition-delay");
transition_timer->period_ms = crm_get_msec(value);
value = crmd_pref(config_hash, "crmd-integration-timeout");
integration_timer->period_ms = crm_get_msec(value);
value = crmd_pref(config_hash, "crmd-finalization-timeout");
finalization_timer->period_ms = crm_get_msec(value);
#if SUPPORT_COROSYNC
if (is_classic_ais_cluster()) {
value = crmd_pref(config_hash, XML_ATTR_EXPECTED_VOTES);
crm_debug("Sending expected-votes=%s to corosync", value);
send_cluster_text(crm_class_quorum, value, TRUE, NULL, crm_msg_ais);
}
#endif
set_bit(fsa_input_register, R_READ_CONFIG);
crm_trace("Triggering FSA: %s", __FUNCTION__);
mainloop_set_trigger(fsa_source);
g_hash_table_destroy(config_hash);
bail:
crm_time_free(now);
}
gboolean
crm_read_options(gpointer user_data)
{
int call_id =
fsa_cib_conn->cmds->query(fsa_cib_conn, XML_CIB_TAG_CRMCONFIG, NULL, cib_scope_local);
fsa_register_cib_callback(call_id, FALSE, NULL, config_query_callback);
crm_trace("Querying the CIB... call %d", call_id);
return TRUE;
}
/* A_READCONFIG */
void
do_read_config(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
throttle_init();
mainloop_set_trigger(config_read);
}
void
crm_shutdown(int nsig)
{
if (crmd_mainloop != NULL && g_main_is_running(crmd_mainloop)) {
if (is_set(fsa_input_register, R_SHUTDOWN)) {
crm_err("Escalating the shutdown");
register_fsa_input_before(C_SHUTDOWN, I_ERROR, NULL);
} else {
set_bit(fsa_input_register, R_SHUTDOWN);
register_fsa_input(C_SHUTDOWN, I_SHUTDOWN, NULL);
if (shutdown_escalation_timer->period_ms < 1) {
const char *value = crmd_pref(NULL, XML_CONFIG_ATTR_FORCE_QUIT);
int msec = crm_get_msec(value);
crm_debug("Using default shutdown escalation: %dms", msec);
shutdown_escalation_timer->period_ms = msec;
}
/* cant rely on this... */
crm_notice("Requesting shutdown, upper limit is %dms",
shutdown_escalation_timer->period_ms);
crm_timer_start(shutdown_escalation_timer);
}
} else {
crm_info("exit from shutdown");
crmd_exit(pcmk_ok);
}
}