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fsa.c
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/*
* Copyright (C) 2004 Andrew Beekhof <[email protected]>
*
* 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 <stdio.h>
#include <string.h>
#include <time.h>
#include <crm/crm.h>
#include <crm/lrmd.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/cluster/election.h>
#include <crm/cluster.h>
#include <crmd_messages.h>
#include <crmd_fsa.h>
#include <tengine.h>
#include <fsa_proto.h>
#include <fsa_matrix.h>
char *fsa_our_dc = NULL;
cib_t *fsa_cib_conn = NULL;
char *fsa_our_dc_version = NULL;
char *fsa_our_uuid = NULL;
char *fsa_our_uname = NULL;
#if SUPPORT_HEARTBEAT
ll_cluster_t *fsa_cluster_conn;
#endif
election_t *fsa_election = NULL;
fsa_timer_t *wait_timer = NULL; /* How long to wait before retrying to connect to the cib/lrmd/ccm */
fsa_timer_t *recheck_timer = NULL; /* Periodically re-run the PE to account for time based rules/preferences */
fsa_timer_t *election_trigger = NULL; /* How long to wait at startup, or after an election, for the DC to make contact */
fsa_timer_t *transition_timer = NULL; /* How long to delay the start of a new transition with the expectation something else might happen too */
fsa_timer_t *integration_timer = NULL;
fsa_timer_t *finalization_timer = NULL;
fsa_timer_t *shutdown_escalation_timer = NULL; /* How long to wait for the DC to stop all resources and give us the all-clear to shut down */
volatile gboolean do_fsa_stall = FALSE;
volatile long long fsa_input_register = 0;
volatile long long fsa_actions = A_NOTHING;
volatile enum crmd_fsa_state fsa_state = S_STARTING;
extern uint highest_born_on;
extern uint num_join_invites;
extern void initialize_join(gboolean before);
#define DOT_PREFIX "actions:trace: "
#define do_dot_log(fmt, args...) crm_trace( fmt, ##args)
long long do_state_transition(long long actions,
enum crmd_fsa_state cur_state,
enum crmd_fsa_state next_state, fsa_data_t * msg_data);
void dump_rsc_info(void);
void dump_rsc_info_callback(const xmlNode * msg, int call_id, int rc,
xmlNode * output, void *user_data);
void ghash_print_node(gpointer key, gpointer value, gpointer user_data);
void s_crmd_fsa_actions(fsa_data_t * fsa_data);
void log_fsa_input(fsa_data_t * stored_msg);
void init_dotfile(void);
void
init_dotfile(void)
{
do_dot_log(DOT_PREFIX "digraph \"g\" {");
do_dot_log(DOT_PREFIX " size = \"30,30\"");
do_dot_log(DOT_PREFIX " graph [");
do_dot_log(DOT_PREFIX " fontsize = \"12\"");
do_dot_log(DOT_PREFIX " fontname = \"Times-Roman\"");
do_dot_log(DOT_PREFIX " fontcolor = \"black\"");
do_dot_log(DOT_PREFIX " bb = \"0,0,398.922306,478.927856\"");
do_dot_log(DOT_PREFIX " color = \"black\"");
do_dot_log(DOT_PREFIX " ]");
do_dot_log(DOT_PREFIX " node [");
do_dot_log(DOT_PREFIX " fontsize = \"12\"");
do_dot_log(DOT_PREFIX " fontname = \"Times-Roman\"");
do_dot_log(DOT_PREFIX " fontcolor = \"black\"");
do_dot_log(DOT_PREFIX " shape = \"ellipse\"");
do_dot_log(DOT_PREFIX " color = \"black\"");
do_dot_log(DOT_PREFIX " ]");
do_dot_log(DOT_PREFIX " edge [");
do_dot_log(DOT_PREFIX " fontsize = \"12\"");
do_dot_log(DOT_PREFIX " fontname = \"Times-Roman\"");
do_dot_log(DOT_PREFIX " fontcolor = \"black\"");
do_dot_log(DOT_PREFIX " color = \"black\"");
do_dot_log(DOT_PREFIX " ]");
do_dot_log(DOT_PREFIX "// special nodes");
do_dot_log(DOT_PREFIX " \"S_PENDING\" ");
do_dot_log(DOT_PREFIX " [");
do_dot_log(DOT_PREFIX " color = \"blue\"");
do_dot_log(DOT_PREFIX " fontcolor = \"blue\"");
do_dot_log(DOT_PREFIX " ]");
do_dot_log(DOT_PREFIX " \"S_TERMINATE\" ");
do_dot_log(DOT_PREFIX " [");
do_dot_log(DOT_PREFIX " color = \"red\"");
do_dot_log(DOT_PREFIX " fontcolor = \"red\"");
do_dot_log(DOT_PREFIX " ]");
do_dot_log(DOT_PREFIX "// DC only nodes");
do_dot_log(DOT_PREFIX " \"S_INTEGRATION\" [ fontcolor = \"green\" ]");
do_dot_log(DOT_PREFIX " \"S_POLICY_ENGINE\" [ fontcolor = \"green\" ]");
do_dot_log(DOT_PREFIX " \"S_TRANSITION_ENGINE\" [ fontcolor = \"green\" ]");
do_dot_log(DOT_PREFIX " \"S_RELEASE_DC\" [ fontcolor = \"green\" ]");
do_dot_log(DOT_PREFIX " \"S_IDLE\" [ fontcolor = \"green\" ]");
}
static void
do_fsa_action(fsa_data_t * fsa_data, long long an_action,
void (*function) (long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input cur_input, fsa_data_t * msg_data))
{
fsa_actions &= ~an_action;
crm_trace(DOT_PREFIX "\t// %s", fsa_action2string(an_action));
function(an_action, fsa_data->fsa_cause, fsa_state, fsa_data->fsa_input, fsa_data);
}
static long long startup_actions =
A_STARTUP | A_CIB_START | A_LRM_CONNECT | A_CCM_CONNECT | A_HA_CONNECT | A_READCONFIG |
A_STARTED | A_CL_JOIN_QUERY;
enum crmd_fsa_state
s_crmd_fsa(enum crmd_fsa_cause cause)
{
fsa_data_t *fsa_data = NULL;
long long register_copy = fsa_input_register;
long long new_actions = A_NOTHING;
enum crmd_fsa_state last_state = fsa_state;
crm_trace("FSA invoked with Cause: %s\tState: %s",
fsa_cause2string(cause), fsa_state2string(fsa_state));
fsa_dump_actions(fsa_actions, "Initial");
do_fsa_stall = FALSE;
if (is_message() == FALSE && fsa_actions != A_NOTHING) {
/* fake the first message so we can get into the loop */
fsa_data = calloc(1, sizeof(fsa_data_t));
fsa_data->fsa_input = I_NULL;
fsa_data->fsa_cause = C_FSA_INTERNAL;
fsa_data->origin = __FUNCTION__;
fsa_data->data_type = fsa_dt_none;
fsa_message_queue = g_list_append(fsa_message_queue, fsa_data);
fsa_data = NULL;
}
while (is_message() && do_fsa_stall == FALSE) {
crm_trace("Checking messages (%d remaining)", g_list_length(fsa_message_queue));
fsa_data = get_message();
CRM_CHECK(fsa_data != NULL, continue);
log_fsa_input(fsa_data);
/* add any actions back to the queue */
fsa_actions |= fsa_data->actions;
fsa_dump_actions(fsa_data->actions, "Restored actions");
/* get the next batch of actions */
new_actions = crmd_fsa_actions[fsa_data->fsa_input][fsa_state];
fsa_actions |= new_actions;
fsa_dump_actions(new_actions, "New actions");
if (fsa_data->fsa_input != I_NULL && fsa_data->fsa_input != I_ROUTER) {
crm_debug("Processing %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);
}
/* logging : *before* the state is changed */
if (is_set(fsa_actions, A_ERROR)) {
do_fsa_action(fsa_data, A_ERROR, do_log);
}
if (is_set(fsa_actions, A_WARN)) {
do_fsa_action(fsa_data, A_WARN, do_log);
}
if (is_set(fsa_actions, A_LOG)) {
do_fsa_action(fsa_data, A_LOG, do_log);
}
/* update state variables */
last_state = fsa_state;
fsa_state = crmd_fsa_state[fsa_data->fsa_input][fsa_state];
/*
* Remove certain actions during shutdown
*/
if (fsa_state == S_STOPPING || ((fsa_input_register & R_SHUTDOWN) == R_SHUTDOWN)) {
clear_bit(fsa_actions, startup_actions);
}
/*
* Hook for change of state.
* Allows actions to be added or removed when entering a state
*/
if (last_state != fsa_state) {
fsa_actions = do_state_transition(fsa_actions, last_state, fsa_state, fsa_data);
} else {
do_dot_log(DOT_PREFIX "\t// FSA input: State=%s \tCause=%s"
" \tInput=%s \tOrigin=%s() \tid=%d",
fsa_state2string(fsa_state),
fsa_cause2string(fsa_data->fsa_cause),
fsa_input2string(fsa_data->fsa_input), fsa_data->origin, fsa_data->id);
}
/* start doing things... */
s_crmd_fsa_actions(fsa_data);
delete_fsa_input(fsa_data);
fsa_data = NULL;
}
if (g_list_length(fsa_message_queue) > 0 || fsa_actions != A_NOTHING || do_fsa_stall) {
crm_debug("Exiting the FSA: queue=%d, fsa_actions=0x%llx, stalled=%s",
g_list_length(fsa_message_queue), fsa_actions, do_fsa_stall ? "true" : "false");
} else {
crm_trace("Exiting the FSA");
}
/* cleanup inputs? */
if (register_copy != fsa_input_register) {
long long same = register_copy & fsa_input_register;
fsa_dump_inputs(LOG_DEBUG, "Added", fsa_input_register ^ same);
fsa_dump_inputs(LOG_DEBUG, "Removed", register_copy ^ same);
}
fsa_dump_actions(fsa_actions, "Remaining");
fsa_dump_queue(LOG_DEBUG);
return fsa_state;
}
void
s_crmd_fsa_actions(fsa_data_t * fsa_data)
{
/*
* Process actions in order of priority but do only one
* action at a time to avoid complicating the ordering.
*/
CRM_CHECK(fsa_data != NULL, return);
while (fsa_actions != A_NOTHING && do_fsa_stall == FALSE) {
/* regular action processing in order of action priority
*
* Make sure all actions that connect to required systems
* are performed first
*/
if (fsa_actions & A_ERROR) {
do_fsa_action(fsa_data, A_ERROR, do_log);
} else if (fsa_actions & A_WARN) {
do_fsa_action(fsa_data, A_WARN, do_log);
} else if (fsa_actions & A_LOG) {
do_fsa_action(fsa_data, A_LOG, do_log);
/* get out of here NOW! before anything worse happens */
} else if (fsa_actions & A_EXIT_1) {
do_fsa_action(fsa_data, A_EXIT_1, do_exit);
/* sub-system restart */
} else if ((fsa_actions & O_LRM_RECONNECT) == O_LRM_RECONNECT) {
do_fsa_action(fsa_data, O_LRM_RECONNECT, do_lrm_control);
} else if ((fsa_actions & O_CIB_RESTART) == O_CIB_RESTART) {
do_fsa_action(fsa_data, O_CIB_RESTART, do_cib_control);
} else if ((fsa_actions & O_PE_RESTART) == O_PE_RESTART) {
do_fsa_action(fsa_data, O_PE_RESTART, do_pe_control);
} else if ((fsa_actions & O_TE_RESTART) == O_TE_RESTART) {
do_fsa_action(fsa_data, O_TE_RESTART, do_te_control);
/* essential start tasks */
} else if (fsa_actions & A_STARTUP) {
do_fsa_action(fsa_data, A_STARTUP, do_startup);
} else if (fsa_actions & A_CIB_START) {
do_fsa_action(fsa_data, A_CIB_START, do_cib_control);
} else if (fsa_actions & A_HA_CONNECT) {
do_fsa_action(fsa_data, A_HA_CONNECT, do_ha_control);
} else if (fsa_actions & A_READCONFIG) {
do_fsa_action(fsa_data, A_READCONFIG, do_read_config);
/* sub-system start/connect */
} else if (fsa_actions & A_LRM_CONNECT) {
do_fsa_action(fsa_data, A_LRM_CONNECT, do_lrm_control);
} else if (fsa_actions & A_CCM_CONNECT) {
#if SUPPORT_HEARTBEAT
if (is_heartbeat_cluster()) {
do_fsa_action(fsa_data, A_CCM_CONNECT, do_ccm_control);
}
#endif
fsa_actions &= ~A_CCM_CONNECT;
} else if (fsa_actions & A_TE_START) {
do_fsa_action(fsa_data, A_TE_START, do_te_control);
} else if (fsa_actions & A_PE_START) {
do_fsa_action(fsa_data, A_PE_START, do_pe_control);
/* Timers */
/* else if(fsa_actions & O_DC_TIMER_RESTART) {
do_fsa_action(fsa_data, O_DC_TIMER_RESTART, do_timer_control) */ ;
} else if (fsa_actions & A_DC_TIMER_STOP) {
do_fsa_action(fsa_data, A_DC_TIMER_STOP, do_timer_control);
} else if (fsa_actions & A_INTEGRATE_TIMER_STOP) {
do_fsa_action(fsa_data, A_INTEGRATE_TIMER_STOP, do_timer_control);
} else if (fsa_actions & A_INTEGRATE_TIMER_START) {
do_fsa_action(fsa_data, A_INTEGRATE_TIMER_START, do_timer_control);
} else if (fsa_actions & A_FINALIZE_TIMER_STOP) {
do_fsa_action(fsa_data, A_FINALIZE_TIMER_STOP, do_timer_control);
} else if (fsa_actions & A_FINALIZE_TIMER_START) {
do_fsa_action(fsa_data, A_FINALIZE_TIMER_START, do_timer_control);
/*
* Highest priority actions
*/
} else if (fsa_actions & A_MSG_ROUTE) {
do_fsa_action(fsa_data, A_MSG_ROUTE, do_msg_route);
} else if (fsa_actions & A_RECOVER) {
do_fsa_action(fsa_data, A_RECOVER, do_recover);
} else if (fsa_actions & A_CL_JOIN_RESULT) {
do_fsa_action(fsa_data, A_CL_JOIN_RESULT, do_cl_join_finalize_respond);
} else if (fsa_actions & A_CL_JOIN_REQUEST) {
do_fsa_action(fsa_data, A_CL_JOIN_REQUEST, do_cl_join_offer_respond);
} else if (fsa_actions & A_SHUTDOWN_REQ) {
do_fsa_action(fsa_data, A_SHUTDOWN_REQ, do_shutdown_req);
} else if (fsa_actions & A_ELECTION_VOTE) {
do_fsa_action(fsa_data, A_ELECTION_VOTE, do_election_vote);
} else if (fsa_actions & A_ELECTION_COUNT) {
do_fsa_action(fsa_data, A_ELECTION_COUNT, do_election_count_vote);
} else if (fsa_actions & A_LRM_EVENT) {
do_fsa_action(fsa_data, A_LRM_EVENT, do_lrm_event);
/*
* High priority actions
*/
} else if (fsa_actions & A_STARTED) {
do_fsa_action(fsa_data, A_STARTED, do_started);
} else if (fsa_actions & A_CL_JOIN_QUERY) {
do_fsa_action(fsa_data, A_CL_JOIN_QUERY, do_cl_join_query);
} else if (fsa_actions & A_DC_TIMER_START) {
do_fsa_action(fsa_data, A_DC_TIMER_START, do_timer_control);
/*
* Medium priority actions
* - Membership
*/
} else if (fsa_actions & A_DC_TAKEOVER) {
do_fsa_action(fsa_data, A_DC_TAKEOVER, do_dc_takeover);
} else if (fsa_actions & A_DC_RELEASE) {
do_fsa_action(fsa_data, A_DC_RELEASE, do_dc_release);
} else if (fsa_actions & A_DC_JOIN_FINAL) {
do_fsa_action(fsa_data, A_DC_JOIN_FINAL, do_dc_join_final);
} else if (fsa_actions & A_ELECTION_CHECK) {
do_fsa_action(fsa_data, A_ELECTION_CHECK, do_election_check);
} else if (fsa_actions & A_ELECTION_START) {
do_fsa_action(fsa_data, A_ELECTION_START, do_election_vote);
} else if (fsa_actions & A_DC_JOIN_OFFER_ALL) {
do_fsa_action(fsa_data, A_DC_JOIN_OFFER_ALL, do_dc_join_offer_all);
} else if (fsa_actions & A_DC_JOIN_OFFER_ONE) {
do_fsa_action(fsa_data, A_DC_JOIN_OFFER_ONE, do_dc_join_offer_one);
} else if (fsa_actions & A_DC_JOIN_PROCESS_REQ) {
do_fsa_action(fsa_data, A_DC_JOIN_PROCESS_REQ, do_dc_join_filter_offer);
} else if (fsa_actions & A_DC_JOIN_PROCESS_ACK) {
do_fsa_action(fsa_data, A_DC_JOIN_PROCESS_ACK, do_dc_join_ack);
} else if (fsa_actions & A_DC_JOIN_FINALIZE) {
do_fsa_action(fsa_data, A_DC_JOIN_FINALIZE, do_dc_join_finalize);
} else if (fsa_actions & A_CL_JOIN_ANNOUNCE) {
do_fsa_action(fsa_data, A_CL_JOIN_ANNOUNCE, do_cl_join_announce);
/*
* Low(er) priority actions
* Make sure the CIB is always updated before invoking the
* PE, and the PE before the TE
*/
} else if (fsa_actions & A_TE_HALT) {
do_fsa_action(fsa_data, A_TE_HALT, do_te_invoke);
} else if (fsa_actions & A_TE_CANCEL) {
do_fsa_action(fsa_data, A_TE_CANCEL, do_te_invoke);
} else if (fsa_actions & A_LRM_INVOKE) {
do_fsa_action(fsa_data, A_LRM_INVOKE, do_lrm_invoke);
} else if (fsa_actions & A_PE_INVOKE) {
do_fsa_action(fsa_data, A_PE_INVOKE, do_pe_invoke);
} else if (fsa_actions & A_TE_INVOKE) {
do_fsa_action(fsa_data, A_TE_INVOKE, do_te_invoke);
/* Shutdown actions */
} else if (fsa_actions & A_DC_RELEASED) {
do_fsa_action(fsa_data, A_DC_RELEASED, do_dc_release);
} else if (fsa_actions & A_PE_STOP) {
do_fsa_action(fsa_data, A_PE_STOP, do_pe_control);
} else if (fsa_actions & A_TE_STOP) {
do_fsa_action(fsa_data, A_TE_STOP, do_te_control);
} else if (fsa_actions & A_SHUTDOWN) {
do_fsa_action(fsa_data, A_SHUTDOWN, do_shutdown);
} else if (fsa_actions & A_LRM_DISCONNECT) {
do_fsa_action(fsa_data, A_LRM_DISCONNECT, do_lrm_control);
} else if (fsa_actions & A_CCM_DISCONNECT) {
#if SUPPORT_HEARTBEAT
if (is_heartbeat_cluster()) {
do_fsa_action(fsa_data, A_CCM_DISCONNECT, do_ccm_control);
}
#endif
fsa_actions &= ~A_CCM_DISCONNECT;
} else if (fsa_actions & A_HA_DISCONNECT) {
do_fsa_action(fsa_data, A_HA_DISCONNECT, do_ha_control);
} else if (fsa_actions & A_CIB_STOP) {
do_fsa_action(fsa_data, A_CIB_STOP, do_cib_control);
} else if (fsa_actions & A_STOP) {
do_fsa_action(fsa_data, A_STOP, do_stop);
/* exit gracefully */
} else if (fsa_actions & A_EXIT_0) {
do_fsa_action(fsa_data, A_EXIT_0, do_exit);
/* Error checking and reporting */
} else {
crm_err("Action %s (0x%llx) not supported ",
fsa_action2string(fsa_actions), fsa_actions);
register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, fsa_data, NULL, __FUNCTION__);
}
}
}
void
log_fsa_input(fsa_data_t * stored_msg)
{
crm_trace("Processing queued input %d", stored_msg->id);
if (stored_msg->fsa_cause == C_CCM_CALLBACK) {
crm_trace("FSA processing CCM callback from %s", stored_msg->origin);
} else if (stored_msg->fsa_cause == C_LRM_OP_CALLBACK) {
crm_trace("FSA processing LRM callback from %s", stored_msg->origin);
} else if (stored_msg->data == NULL) {
crm_trace("FSA processing input from %s", stored_msg->origin);
} else {
ha_msg_input_t *ha_input = fsa_typed_data_adv(stored_msg, fsa_dt_ha_msg, __FUNCTION__);
crm_trace("FSA processing XML message from %s", stored_msg->origin);
crm_log_xml_trace(ha_input->xml, "FSA message data");
}
}
long long
do_state_transition(long long actions,
enum crmd_fsa_state cur_state,
enum crmd_fsa_state next_state, fsa_data_t * msg_data)
{
int level = LOG_INFO;
long long tmp = actions;
gboolean clear_recovery_bit = TRUE;
enum crmd_fsa_cause cause = msg_data->fsa_cause;
enum crmd_fsa_input current_input = msg_data->fsa_input;
const char *state_from = fsa_state2string(cur_state);
const char *state_to = fsa_state2string(next_state);
const char *input = fsa_input2string(current_input);
CRM_LOG_ASSERT(cur_state != next_state);
do_dot_log(DOT_PREFIX "\t%s -> %s [ label=%s cause=%s origin=%s ]",
state_from, state_to, input, fsa_cause2string(cause), msg_data->origin);
if (cur_state == S_IDLE || next_state == S_IDLE) {
level = LOG_NOTICE;
} else if (cur_state == S_NOT_DC || next_state == S_NOT_DC) {
level = LOG_NOTICE;
} else if (cur_state == S_ELECTION) {
level = LOG_NOTICE;
} else if (cur_state == S_STARTING) {
level = LOG_NOTICE;
} else if (next_state == S_RECOVERY) {
level = LOG_WARNING;
}
do_crm_log(level, "State transition %s -> %s [ input=%s cause=%s origin=%s ]",
state_from, state_to, input, fsa_cause2string(cause), msg_data->origin);
/* the last two clauses might cause trouble later */
if (next_state != S_ELECTION && cur_state != S_RELEASE_DC) {
election_timeout_stop(fsa_election);
/* } else { */
/* crm_timer_start(election_timeout); */
}
#if 0
if ((fsa_input_register & R_SHUTDOWN)) {
set_bit(tmp, A_DC_TIMER_STOP);
}
#endif
if (next_state == S_INTEGRATION) {
set_bit(tmp, A_INTEGRATE_TIMER_START);
} else {
set_bit(tmp, A_INTEGRATE_TIMER_STOP);
}
if (next_state == S_FINALIZE_JOIN) {
set_bit(tmp, A_FINALIZE_TIMER_START);
} else {
set_bit(tmp, A_FINALIZE_TIMER_STOP);
}
if (next_state != S_PENDING) {
set_bit(tmp, A_DC_TIMER_STOP);
}
if (next_state != S_ELECTION) {
highest_born_on = 0;
}
if (next_state != S_IDLE) {
crm_timer_stop(recheck_timer);
}
if (cur_state == S_FINALIZE_JOIN && next_state == S_POLICY_ENGINE) {
populate_cib_nodes(node_update_quick | node_update_cluster | node_update_peer |
node_update_join | node_update_expected, __FUNCTION__);
}
switch (next_state) {
case S_PENDING:
fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_scope_local);
/* fall through */
case S_ELECTION:
crm_trace("Resetting our DC to NULL on transition to %s", fsa_state2string(next_state));
update_dc(NULL);
break;
case S_NOT_DC:
election_trigger->counter = 0;
if (stonith_cleanup_list) {
GListPtr gIter = NULL;
for (gIter = stonith_cleanup_list; gIter != NULL; gIter = gIter->next) {
char *target = gIter->data;
crm_info("Purging %s from stonith cleanup list", target);
free(target);
}
g_list_free(stonith_cleanup_list);
stonith_cleanup_list = NULL;
}
if (is_set(fsa_input_register, R_SHUTDOWN)) {
crm_info("(Re)Issuing shutdown request now" " that we have a new DC");
set_bit(tmp, A_SHUTDOWN_REQ);
}
CRM_LOG_ASSERT(fsa_our_dc != NULL);
if (fsa_our_dc == NULL) {
crm_err("Reached S_NOT_DC without a DC" " being recorded");
}
break;
case S_RECOVERY:
clear_recovery_bit = FALSE;
break;
case S_FINALIZE_JOIN:
CRM_LOG_ASSERT(AM_I_DC);
if (cause == C_TIMER_POPPED) {
crm_warn("Progressed to state %s after %s",
fsa_state2string(next_state), fsa_cause2string(cause));
}
if (crmd_join_phase_count(crm_join_welcomed) > 0) {
crm_warn("%u cluster nodes failed to respond"
" to the join offer.", crmd_join_phase_count(crm_join_welcomed));
crmd_join_phase_log(LOG_NOTICE);
} else {
crm_debug("All %d cluster nodes responded to the join offer.",
crmd_join_phase_count(crm_join_integrated));
}
break;
case S_POLICY_ENGINE:
election_trigger->counter = 0;
CRM_LOG_ASSERT(AM_I_DC);
if (cause == C_TIMER_POPPED) {
crm_info("Progressed to state %s after %s",
fsa_state2string(next_state), fsa_cause2string(cause));
}
if (crmd_join_phase_count(crm_join_finalized) > 0) {
crm_err("%u cluster nodes failed to confirm their join.",
crmd_join_phase_count(crm_join_finalized));
crmd_join_phase_log(LOG_NOTICE);
} else if (crmd_join_phase_count(crm_join_confirmed)
== crm_active_peers()) {
crm_debug("All %u cluster nodes are"
" eligible to run resources.", crm_active_peers());
} else if (crmd_join_phase_count(crm_join_confirmed) > crm_active_peers()) {
crm_err("We have more confirmed nodes than our membership does: %d vs. %d",
crmd_join_phase_count(crm_join_confirmed), crm_active_peers());
register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL);
} else if (saved_ccm_membership_id != crm_peer_seq) {
crm_info("Membership changed: %llu -> %llu - join restart",
saved_ccm_membership_id, crm_peer_seq);
register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL);
} else {
crm_warn("Only %u of %u cluster "
"nodes are eligible to run resources - continue %d",
crmd_join_phase_count(crm_join_confirmed),
crm_active_peers(), crmd_join_phase_count(crm_join_welcomed));
}
/* initialize_join(FALSE); */
break;
case S_STOPPING:
case S_TERMINATE:
/* possibly redundant */
set_bit(fsa_input_register, R_SHUTDOWN);
break;
case S_IDLE:
CRM_LOG_ASSERT(AM_I_DC);
dump_rsc_info();
if (is_set(fsa_input_register, R_SHUTDOWN)) {
crm_info("(Re)Issuing shutdown request now" " that we are the DC");
set_bit(tmp, A_SHUTDOWN_REQ);
}
if (recheck_timer->period_ms > 0) {
crm_debug("Starting %s", get_timer_desc(recheck_timer));
crm_timer_start(recheck_timer);
}
break;
default:
break;
}
if (clear_recovery_bit && next_state != S_PENDING) {
tmp &= ~A_RECOVER;
} else if (clear_recovery_bit == FALSE) {
tmp |= A_RECOVER;
}
if (tmp != actions) {
/* fsa_dump_actions(actions ^ tmp, "New actions"); */
actions = tmp;
}
return actions;
}
void
dump_rsc_info(void)
{
}
void
ghash_print_node(gpointer key, gpointer value, gpointer user_data)
{
const char *text = user_data;
const char *uname = key;
const char *value_s = value;
crm_info("%s: %s %s", text, uname, value_s);
}