diff --git a/crmd/te_utils.c b/crmd/te_utils.c
index ae4c5de396..f3e0d9f4e1 100644
--- a/crmd/te_utils.c
+++ b/crmd/te_utils.c
@@ -1,427 +1,423 @@
/*
* 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/common/xml.h>
#include <tengine.h>
#include <crmd_fsa.h>
#include <crmd_messages.h>
#include <crm/fencing/internal.h>
crm_trigger_t *stonith_reconnect = NULL;
GListPtr stonith_cleanup_list = NULL;
static gboolean
fail_incompletable_stonith(crm_graph_t * graph)
{
GListPtr lpc = NULL;
const char *task = NULL;
xmlNode *last_action = NULL;
if (graph == NULL) {
return FALSE;
}
for (lpc = graph->synapses; lpc != NULL; lpc = lpc->next) {
GListPtr lpc2 = NULL;
synapse_t *synapse = (synapse_t *) lpc->data;
if (synapse->confirmed) {
continue;
}
for (lpc2 = synapse->actions; lpc2 != NULL; lpc2 = lpc2->next) {
crm_action_t *action = (crm_action_t *) lpc2->data;
if (action->type != action_type_crm || action->confirmed) {
continue;
}
task = crm_element_value(action->xml, XML_LRM_ATTR_TASK);
if (task && safe_str_eq(task, CRM_OP_FENCE)) {
action->failed = TRUE;
last_action = action->xml;
update_graph(graph, action);
crm_notice("Failing action %d (%s): STONITHd terminated",
action->id, ID(action->xml));
}
}
}
if (last_action != NULL) {
crm_warn("STONITHd failure resulted in un-runnable actions");
abort_transition(INFINITY, tg_restart, "Stonith failure", last_action);
return TRUE;
}
return FALSE;
}
static void
tengine_stonith_connection_destroy(stonith_t * st, stonith_event_t * e)
{
if (is_set(fsa_input_register, R_ST_REQUIRED)) {
crm_crit("Fencing daemon connection failed");
mainloop_set_trigger(stonith_reconnect);
} else {
crm_info("Fencing daemon disconnected");
}
/* cbchan will be garbage at this point, arrange for it to be reset */
stonith_api->state = stonith_disconnected;
if (AM_I_DC) {
fail_incompletable_stonith(transition_graph);
trigger_graph();
}
}
#if SUPPORT_CMAN
# include <libfenced.h>
#endif
static void
tengine_stonith_notify(stonith_t * st, stonith_event_t * st_event)
{
static char *client_id = NULL;
if(client_id == NULL) {
client_id = g_strdup_printf("%s.%d", crm_system_name, getpid());
}
if (st_event == NULL) {
crm_err("Notify data not found");
return;
}
if (st_event->result == pcmk_ok && crm_str_eq(st_event->target, fsa_our_uname, TRUE)) {
crm_err("We were alegedly just fenced by %s for %s!", st_event->executioner,
st_event->origin);
register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, NULL, NULL, __FUNCTION__);
return;
}
if (st_event->result == pcmk_ok &&
safe_str_eq(st_event->operation, T_STONITH_NOTIFY_FENCE)) {
reset_st_fail_count(st_event->target);
}
crm_notice("Peer %s was%s terminated (%s) by %s for %s: %s (ref=%s) by client %s",
st_event->target, st_event->result == pcmk_ok ? "" : " not",
st_event->action,
st_event->executioner ? st_event->executioner : "<anyone>",
st_event->origin, pcmk_strerror(st_event->result), st_event->id,
st_event->client_origin ? st_event->client_origin : "<unknown>");
#if SUPPORT_CMAN
if (st_event->result == pcmk_ok && is_cman_cluster()) {
int local_rc = 0;
char *target_copy = strdup(st_event->target);
/* In case fenced hasn't noticed yet
*
* Any fencing that has been inititated will be completed by way of the fence_pcmk redirect
*/
local_rc = fenced_external(target_copy);
if (local_rc != 0) {
crm_err("Could not notify CMAN that '%s' is now fenced: %d", st_event->target,
local_rc);
} else {
crm_notice("Notified CMAN that '%s' is now fenced", st_event->target);
}
free(target_copy);
}
#endif
if (st_event->result == pcmk_ok) {
const char *uuid = get_uuid(st_event->target);
gboolean we_are_executioner = safe_str_eq(st_event->executioner, fsa_our_uname);
crm_trace("target=%s dc=%s", st_event->target, fsa_our_dc);
if(AM_I_DC) {
/* The DC always sends updates */
send_stonith_update(NULL, st_event->target, uuid);
if (st_event->client_origin && safe_str_neq(st_event->client_origin, client_id)) {
/* Abort the current transition graph if it wasn't us
* that invoked stonith to fence someone
*/
crm_info("External fencing operation from %s fenced %s", st_event->client_origin, st_event->target);
abort_transition(INFINITY, tg_restart, "External Fencing Operation", NULL);
}
/* Assume it was our leader if we dont currently have one */
} else if (fsa_our_dc == NULL || safe_str_eq(fsa_our_dc, st_event->target)) {
crm_notice("Target %s our leader %s (recorded: %s)",
fsa_our_dc ? "was" : "may have been", st_event->target,
fsa_our_dc ? fsa_our_dc : "<unset>");
/* Given the CIB resyncing that occurs around elections,
* have one node update the CIB now and, if the new DC is different,
* have them do so too after the election
*/
if (we_are_executioner) {
send_stonith_update(NULL, st_event->target, uuid);
}
stonith_cleanup_list = g_list_append(stonith_cleanup_list, strdup(st_event->target));
}
}
}
gboolean
te_connect_stonith(gpointer user_data)
{
int lpc = 0;
int rc = pcmk_ok;
if (stonith_api == NULL) {
stonith_api = stonith_api_new();
}
if (stonith_api->state != stonith_disconnected) {
crm_trace("Still connected");
return TRUE;
}
for (lpc = 0; lpc < 30; lpc++) {
crm_debug("Attempting connection to fencing daemon...");
sleep(1);
rc = stonith_api->cmds->connect(stonith_api, crm_system_name, NULL);
if (rc == pcmk_ok) {
break;
}
if (user_data != NULL) {
crm_err("Sign-in failed: triggered a retry");
mainloop_set_trigger(stonith_reconnect);
return TRUE;
}
crm_err("Sign-in failed: pausing and trying again in 2s...");
sleep(1);
}
CRM_CHECK(rc == pcmk_ok, return TRUE); /* If not, we failed 30 times... just get out */
stonith_api->cmds->register_notification(stonith_api, T_STONITH_NOTIFY_DISCONNECT,
tengine_stonith_connection_destroy);
stonith_api->cmds->register_notification(stonith_api, T_STONITH_NOTIFY_FENCE,
tengine_stonith_notify);
crm_trace("Connected");
return TRUE;
}
gboolean
stop_te_timer(crm_action_timer_t * timer)
{
const char *timer_desc = "action timer";
if (timer == NULL) {
return FALSE;
}
if (timer->reason == timeout_abort) {
timer_desc = "global timer";
crm_trace("Stopping %s", timer_desc);
}
if (timer->source_id != 0) {
crm_trace("Stopping %s", timer_desc);
g_source_remove(timer->source_id);
timer->source_id = 0;
} else {
crm_trace("%s was already stopped", timer_desc);
return FALSE;
}
return TRUE;
}
gboolean
te_graph_trigger(gpointer user_data)
{
enum transition_status graph_rc = -1;
if (transition_graph == NULL) {
crm_debug("Nothing to do");
return TRUE;
}
crm_trace("Invoking graph %d in state %s", transition_graph->id, fsa_state2string(fsa_state));
switch (fsa_state) {
case S_STARTING:
case S_PENDING:
case S_NOT_DC:
case S_HALT:
case S_ILLEGAL:
case S_STOPPING:
case S_TERMINATE:
return TRUE;
break;
default:
break;
}
if (transition_graph->complete == FALSE) {
graph_rc = run_graph(transition_graph);
print_graph(LOG_DEBUG_3, transition_graph);
if (graph_rc == transition_active) {
crm_trace("Transition not yet complete");
return TRUE;
} else if (graph_rc == transition_pending) {
crm_trace("Transition not yet complete - no actions fired");
return TRUE;
}
if (graph_rc != transition_complete) {
crm_warn("Transition failed: %s", transition_status(graph_rc));
print_graph(LOG_NOTICE, transition_graph);
}
}
crm_debug("Transition %d is now complete", transition_graph->id);
transition_graph->complete = TRUE;
notify_crmd(transition_graph);
return TRUE;
}
void
trigger_graph_processing(const char *fn, int line)
{
mainloop_set_trigger(transition_trigger);
crm_trace("%s:%d - Triggered graph processing", fn, line);
}
void
abort_transition_graph(int abort_priority, enum transition_action abort_action,
const char *abort_text, xmlNode * reason, const char *fn, int line)
{
const char *magic = NULL;
CRM_CHECK(transition_graph != NULL, return);
if (reason) {
int diff_add_updates = 0;
int diff_add_epoch = 0;
int diff_add_admin_epoch = 0;
int diff_del_updates = 0;
int diff_del_epoch = 0;
int diff_del_admin_epoch = 0;
const char *uname = "";
xmlNode *search = reason;
xmlNode *diff = get_xpath_object("//" F_CIB_UPDATE_RESULT "//diff", reason, LOG_DEBUG_2);
magic = crm_element_value(reason, XML_ATTR_TRANSITION_MAGIC);
while(search) {
const char *kind = TYPE(search);
if(safe_str_eq(XML_CIB_TAG_STATE, kind)
|| safe_str_eq(XML_CIB_TAG_NODE, kind)) {
uname = get_uname(ID(search));
}
search = search->parent;
}
if (diff) {
cib_diff_version_details(diff,
&diff_add_admin_epoch, &diff_add_epoch, &diff_add_updates,
&diff_del_admin_epoch, &diff_del_epoch, &diff_del_updates);
if (crm_str_eq(TYPE(reason), XML_CIB_TAG_NVPAIR, TRUE)) {
crm_info
("%s:%d - Triggered transition abort (complete=%d, node=%s, tag=%s, id=%s, name=%s, value=%s, magic=%s, cib=%d.%d.%d) : %s",
fn, line, transition_graph->complete, uname, TYPE(reason), ID(reason), NAME(reason),
VALUE(reason), magic ? magic : "NA", diff_add_admin_epoch, diff_add_epoch,
diff_add_updates, abort_text);
} else {
crm_info
("%s:%d - Triggered transition abort (complete=%d, node=%s, tag=%s, id=%s, magic=%s, cib=%d.%d.%d) : %s",
fn, line, transition_graph->complete, uname, TYPE(reason), ID(reason),
magic ? magic : "NA", diff_add_admin_epoch, diff_add_epoch, diff_add_updates,
abort_text);
}
} else {
crm_info
("%s:%d - Triggered transition abort (complete=%d, node=%s, tag=%s, id=%s, magic=%s) : %s",
fn, line, transition_graph->complete, uname, TYPE(reason), ID(reason),
magic ? magic : "NA", abort_text);
}
} else {
crm_info("%s:%d - Triggered transition abort (complete=%d) : %s",
fn, line, transition_graph->complete, abort_text);
}
switch (fsa_state) {
case S_STARTING:
case S_PENDING:
case S_NOT_DC:
case S_HALT:
case S_ILLEGAL:
case S_STOPPING:
case S_TERMINATE:
crm_info("Abort suppressed: state=%s (complete=%d)",
fsa_state2string(fsa_state), transition_graph->complete);
return;
default:
break;
}
if (magic == NULL && reason != NULL) {
crm_log_xml_debug(reason, "Cause");
}
/* Make sure any queued calculations are discarded ASAP */
free(fsa_pe_ref);
fsa_pe_ref = NULL;
if (transition_graph->complete) {
- if (too_many_st_failures() == FALSE) {
- if (transition_timer->period_ms > 0) {
- crm_timer_stop(transition_timer);
- crm_timer_start(transition_timer);
- } else {
- register_fsa_input(C_FSA_INTERNAL, I_PE_CALC, NULL);
- }
+ if (transition_timer->period_ms > 0) {
+ crm_timer_stop(transition_timer);
+ crm_timer_start(transition_timer);
} else {
- register_fsa_input(C_FSA_INTERNAL, I_TE_SUCCESS, NULL);
+ register_fsa_input(C_FSA_INTERNAL, I_PE_CALC, NULL);
}
return;
}
update_abort_priority(transition_graph, abort_priority, abort_action, abort_text);
mainloop_set_trigger(transition_trigger);
}