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|
/*
* Copyright 2004-2022 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <stdio.h>
#include <stdint.h> // uint64_t
#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_internal.h>
#include <crm/cluster.h>
#include <pacemaker-controld.h>
//! Triggers an FSA invocation
static crm_trigger_t *fsa_trigger = NULL;
#define DOT_PREFIX "actions:trace: "
#define do_dot_log(fmt, args...) crm_trace( fmt, ##args)
static void do_state_transition(enum crmd_fsa_state cur_state,
enum crmd_fsa_state next_state,
fsa_data_t *msg_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))
{
controld_clear_fsa_action_flags(an_action);
crm_trace(DOT_PREFIX "\t// %s", fsa_action2string(an_action));
function(an_action, fsa_data->fsa_cause, controld_globals.fsa_state,
fsa_data->fsa_input, fsa_data);
}
static const uint64_t startup_actions =
A_STARTUP | A_CIB_START | A_LRM_CONNECT | A_HA_CONNECT | A_READCONFIG |
A_STARTED | A_CL_JOIN_QUERY;
// A_LOG, A_WARN, A_ERROR
void
do_log(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)
{
unsigned log_type = LOG_TRACE;
if (action & A_LOG) {
log_type = LOG_INFO;
} else if (action & A_WARN) {
log_type = LOG_WARNING;
} else if (action & A_ERROR) {
log_type = LOG_ERR;
}
do_crm_log(log_type, "Input %s received in state %s from %s",
fsa_input2string(msg_data->fsa_input),
fsa_state2string(cur_state), msg_data->origin);
if (msg_data->data_type == fsa_dt_ha_msg) {
ha_msg_input_t *input = fsa_typed_data(msg_data->data_type);
crm_log_xml_debug(input->msg, __func__);
} else if (msg_data->data_type == fsa_dt_xml) {
xmlNode *input = fsa_typed_data(msg_data->data_type);
crm_log_xml_debug(input, __func__);
} else if (msg_data->data_type == fsa_dt_lrm) {
lrmd_event_data_t *input = fsa_typed_data(msg_data->data_type);
do_crm_log(log_type,
"Resource %s: Call ID %d returned %d (%d)."
" New status if rc=0: %s",
input->rsc_id, input->call_id, input->rc,
input->op_status, (char *)input->user_data);
}
}
/*!
* \internal
* \brief Initialize the FSA trigger
*/
void
controld_init_fsa_trigger(void)
{
fsa_trigger = mainloop_add_trigger(G_PRIORITY_HIGH, crm_fsa_trigger, NULL);
}
/*!
* \internal
* \brief Destroy the FSA trigger
*/
void
controld_destroy_fsa_trigger(void)
{
// This basically will not work, since mainloop has a reference to it
mainloop_destroy_trigger(fsa_trigger);
fsa_trigger = NULL;
}
/*!
* \internal
* \brief Trigger an FSA invocation
*
* \param[in] fn Calling function name
* \param[in] line Line number where call occurred
*/
void
controld_trigger_fsa_as(const char *fn, int line)
{
if (fsa_trigger != NULL) {
crm_trace("%s:%d - Triggered FSA invocation", fn, line);
mainloop_set_trigger(fsa_trigger);
}
}
enum crmd_fsa_state
s_crmd_fsa(enum crmd_fsa_cause cause)
{
controld_globals_t *globals = &controld_globals;
fsa_data_t *fsa_data = NULL;
uint64_t register_copy = controld_globals.fsa_input_register;
uint64_t new_actions = A_NOTHING;
enum crmd_fsa_state last_state;
crm_trace("FSA invoked with Cause: %s\tState: %s",
fsa_cause2string(cause),
fsa_state2string(globals->fsa_state));
fsa_dump_actions(controld_globals.fsa_actions, "Initial");
controld_clear_global_flags(controld_fsa_is_stalled);
if ((controld_globals.fsa_message_queue == NULL)
&& (controld_globals.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 = __func__;
fsa_data->data_type = fsa_dt_none;
controld_globals.fsa_message_queue
= g_list_append(controld_globals.fsa_message_queue, fsa_data);
fsa_data = NULL;
}
while ((controld_globals.fsa_message_queue != NULL)
&& !pcmk_is_set(controld_globals.flags, controld_fsa_is_stalled)) {
crm_trace("Checking messages (%d remaining)",
g_list_length(controld_globals.fsa_message_queue));
fsa_data = get_message();
if(fsa_data == NULL) {
continue;
}
log_fsa_input(fsa_data);
/* add any actions back to the queue */
controld_set_fsa_action_flags(fsa_data->actions);
fsa_dump_actions(fsa_data->actions, "Restored actions");
/* get the next batch of actions */
new_actions = controld_fsa_get_action(fsa_data->fsa_input);
controld_set_fsa_action_flags(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(globals->fsa_state),
fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin);
}
/* logging : *before* the state is changed */
if (pcmk_is_set(controld_globals.fsa_actions, A_ERROR)) {
do_fsa_action(fsa_data, A_ERROR, do_log);
}
if (pcmk_is_set(controld_globals.fsa_actions, A_WARN)) {
do_fsa_action(fsa_data, A_WARN, do_log);
}
if (pcmk_is_set(controld_globals.fsa_actions, A_LOG)) {
do_fsa_action(fsa_data, A_LOG, do_log);
}
/* update state variables */
last_state = globals->fsa_state;
globals->fsa_state = controld_fsa_get_next_state(fsa_data->fsa_input);
/*
* Remove certain actions during shutdown
*/
if ((globals->fsa_state == S_STOPPING)
|| pcmk_is_set(controld_globals.fsa_input_register, R_SHUTDOWN)) {
controld_clear_fsa_action_flags(startup_actions);
}
/*
* Hook for change of state.
* Allows actions to be added or removed when entering a state
*/
if (last_state != globals->fsa_state) {
do_state_transition(last_state, globals->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(globals->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 ((controld_globals.fsa_message_queue != NULL)
|| (controld_globals.fsa_actions != A_NOTHING)
|| pcmk_is_set(controld_globals.flags, controld_fsa_is_stalled)) {
crm_debug("Exiting the FSA: queue=%d, fsa_actions=%#llx, stalled=%s",
g_list_length(controld_globals.fsa_message_queue),
(unsigned long long) controld_globals.fsa_actions,
pcmk__btoa(pcmk_is_set(controld_globals.flags,
controld_fsa_is_stalled)));
} else {
crm_trace("Exiting the FSA");
}
/* cleanup inputs? */
if (register_copy != controld_globals.fsa_input_register) {
uint64_t same = register_copy & controld_globals.fsa_input_register;
fsa_dump_inputs(LOG_DEBUG, "Added",
controld_globals.fsa_input_register ^ same);
fsa_dump_inputs(LOG_DEBUG, "Removed", register_copy ^ same);
}
fsa_dump_actions(controld_globals.fsa_actions, "Remaining");
fsa_dump_queue(LOG_DEBUG);
return globals->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 ((controld_globals.fsa_actions != A_NOTHING)
&& !pcmk_is_set(controld_globals.flags, controld_fsa_is_stalled)) {
/* regular action processing in order of action priority
*
* Make sure all actions that connect to required systems
* are performed first
*/
if (pcmk_is_set(controld_globals.fsa_actions, A_ERROR)) {
do_fsa_action(fsa_data, A_ERROR, do_log);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_WARN)) {
do_fsa_action(fsa_data, A_WARN, do_log);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_LOG)) {
do_fsa_action(fsa_data, A_LOG, do_log);
/* get out of here NOW! before anything worse happens */
} else if (pcmk_is_set(controld_globals.fsa_actions, A_EXIT_1)) {
do_fsa_action(fsa_data, A_EXIT_1, do_exit);
/* sub-system restart */
} else if (pcmk_all_flags_set(controld_globals.fsa_actions,
O_LRM_RECONNECT)) {
do_fsa_action(fsa_data, O_LRM_RECONNECT, do_lrm_control);
} else if (pcmk_all_flags_set(controld_globals.fsa_actions,
O_CIB_RESTART)) {
do_fsa_action(fsa_data, O_CIB_RESTART, do_cib_control);
} else if (pcmk_all_flags_set(controld_globals.fsa_actions,
O_PE_RESTART)) {
do_fsa_action(fsa_data, O_PE_RESTART, do_pe_control);
} else if (pcmk_all_flags_set(controld_globals.fsa_actions,
O_TE_RESTART)) {
do_fsa_action(fsa_data, O_TE_RESTART, do_te_control);
/* essential start tasks */
} else if (pcmk_is_set(controld_globals.fsa_actions, A_STARTUP)) {
do_fsa_action(fsa_data, A_STARTUP, do_startup);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_CIB_START)) {
do_fsa_action(fsa_data, A_CIB_START, do_cib_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_HA_CONNECT)) {
do_fsa_action(fsa_data, A_HA_CONNECT, do_ha_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_READCONFIG)) {
do_fsa_action(fsa_data, A_READCONFIG, do_read_config);
/* sub-system start/connect */
} else if (pcmk_is_set(controld_globals.fsa_actions, A_LRM_CONNECT)) {
do_fsa_action(fsa_data, A_LRM_CONNECT, do_lrm_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_TE_START)) {
do_fsa_action(fsa_data, A_TE_START, do_te_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_PE_START)) {
do_fsa_action(fsa_data, A_PE_START, do_pe_control);
/* Timers */
} else if (pcmk_is_set(controld_globals.fsa_actions, A_DC_TIMER_STOP)) {
do_fsa_action(fsa_data, A_DC_TIMER_STOP, do_timer_control);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_INTEGRATE_TIMER_STOP)) {
do_fsa_action(fsa_data, A_INTEGRATE_TIMER_STOP, do_timer_control);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_INTEGRATE_TIMER_START)) {
do_fsa_action(fsa_data, A_INTEGRATE_TIMER_START, do_timer_control);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_FINALIZE_TIMER_STOP)) {
do_fsa_action(fsa_data, A_FINALIZE_TIMER_STOP, do_timer_control);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_FINALIZE_TIMER_START)) {
do_fsa_action(fsa_data, A_FINALIZE_TIMER_START, do_timer_control);
/*
* Highest priority actions
*/
} else if (pcmk_is_set(controld_globals.fsa_actions, A_MSG_ROUTE)) {
do_fsa_action(fsa_data, A_MSG_ROUTE, do_msg_route);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_RECOVER)) {
do_fsa_action(fsa_data, A_RECOVER, do_recover);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_CL_JOIN_RESULT)) {
do_fsa_action(fsa_data, A_CL_JOIN_RESULT,
do_cl_join_finalize_respond);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_CL_JOIN_REQUEST)) {
do_fsa_action(fsa_data, A_CL_JOIN_REQUEST,
do_cl_join_offer_respond);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_SHUTDOWN_REQ)) {
do_fsa_action(fsa_data, A_SHUTDOWN_REQ, do_shutdown_req);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_ELECTION_VOTE)) {
do_fsa_action(fsa_data, A_ELECTION_VOTE, do_election_vote);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_ELECTION_COUNT)) {
do_fsa_action(fsa_data, A_ELECTION_COUNT, do_election_count_vote);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_LRM_EVENT)) {
do_fsa_action(fsa_data, A_LRM_EVENT, do_lrm_event);
/*
* High priority actions
*/
} else if (pcmk_is_set(controld_globals.fsa_actions, A_STARTED)) {
do_fsa_action(fsa_data, A_STARTED, do_started);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_CL_JOIN_QUERY)) {
do_fsa_action(fsa_data, A_CL_JOIN_QUERY, do_cl_join_query);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_DC_TIMER_START)) {
do_fsa_action(fsa_data, A_DC_TIMER_START, do_timer_control);
/*
* Medium priority actions
* - Membership
*/
} else if (pcmk_is_set(controld_globals.fsa_actions, A_DC_TAKEOVER)) {
do_fsa_action(fsa_data, A_DC_TAKEOVER, do_dc_takeover);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_DC_RELEASE)) {
do_fsa_action(fsa_data, A_DC_RELEASE, do_dc_release);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_DC_JOIN_FINAL)) {
do_fsa_action(fsa_data, A_DC_JOIN_FINAL, do_dc_join_final);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_ELECTION_CHECK)) {
do_fsa_action(fsa_data, A_ELECTION_CHECK, do_election_check);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_ELECTION_START)) {
do_fsa_action(fsa_data, A_ELECTION_START, do_election_vote);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_DC_JOIN_OFFER_ALL)) {
do_fsa_action(fsa_data, A_DC_JOIN_OFFER_ALL, do_dc_join_offer_all);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_DC_JOIN_OFFER_ONE)) {
do_fsa_action(fsa_data, A_DC_JOIN_OFFER_ONE, do_dc_join_offer_one);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_DC_JOIN_PROCESS_REQ)) {
do_fsa_action(fsa_data, A_DC_JOIN_PROCESS_REQ,
do_dc_join_filter_offer);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_DC_JOIN_PROCESS_ACK)) {
do_fsa_action(fsa_data, A_DC_JOIN_PROCESS_ACK, do_dc_join_ack);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_DC_JOIN_FINALIZE)) {
do_fsa_action(fsa_data, A_DC_JOIN_FINALIZE, do_dc_join_finalize);
} else if (pcmk_is_set(controld_globals.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
* scheduler, and the scheduler before the transition engine.
*/
} else if (pcmk_is_set(controld_globals.fsa_actions, A_TE_HALT)) {
do_fsa_action(fsa_data, A_TE_HALT, do_te_invoke);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_TE_CANCEL)) {
do_fsa_action(fsa_data, A_TE_CANCEL, do_te_invoke);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_LRM_INVOKE)) {
do_fsa_action(fsa_data, A_LRM_INVOKE, do_lrm_invoke);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_PE_INVOKE)) {
do_fsa_action(fsa_data, A_PE_INVOKE, do_pe_invoke);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_TE_INVOKE)) {
do_fsa_action(fsa_data, A_TE_INVOKE, do_te_invoke);
/* Shutdown actions */
} else if (pcmk_is_set(controld_globals.fsa_actions, A_DC_RELEASED)) {
do_fsa_action(fsa_data, A_DC_RELEASED, do_dc_release);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_PE_STOP)) {
do_fsa_action(fsa_data, A_PE_STOP, do_pe_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_TE_STOP)) {
do_fsa_action(fsa_data, A_TE_STOP, do_te_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_SHUTDOWN)) {
do_fsa_action(fsa_data, A_SHUTDOWN, do_shutdown);
} else if (pcmk_is_set(controld_globals.fsa_actions,
A_LRM_DISCONNECT)) {
do_fsa_action(fsa_data, A_LRM_DISCONNECT, do_lrm_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_HA_DISCONNECT)) {
do_fsa_action(fsa_data, A_HA_DISCONNECT, do_ha_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_CIB_STOP)) {
do_fsa_action(fsa_data, A_CIB_STOP, do_cib_control);
} else if (pcmk_is_set(controld_globals.fsa_actions, A_STOP)) {
do_fsa_action(fsa_data, A_STOP, do_stop);
/* exit gracefully */
} else if (pcmk_is_set(controld_globals.fsa_actions, A_EXIT_0)) {
do_fsa_action(fsa_data, A_EXIT_0, do_exit);
/* Error checking and reporting */
} else {
crm_err("Action %s not supported "CRM_XS" %#llx",
fsa_action2string(controld_globals.fsa_actions),
(unsigned long long) controld_globals.fsa_actions);
register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, fsa_data, NULL,
__func__);
}
}
}
void
log_fsa_input(fsa_data_t * stored_msg)
{
CRM_ASSERT(stored_msg);
crm_trace("Processing queued input %d", stored_msg->id);
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,
__func__);
crm_trace("FSA processing XML message from %s", stored_msg->origin);
crm_log_xml_trace(ha_input->xml, "FSA message data");
}
}
static void
check_join_counts(fsa_data_t *msg_data)
{
int count;
guint npeers;
count = crmd_join_phase_count(crm_join_finalized);
if (count > 0) {
crm_err("%d cluster node%s failed to confirm join",
count, pcmk__plural_s(count));
crmd_join_phase_log(LOG_NOTICE);
return;
}
npeers = crm_active_peers();
count = crmd_join_phase_count(crm_join_confirmed);
if (count == npeers) {
if (npeers == 1) {
crm_debug("Sole active cluster node is fully joined");
} else {
crm_debug("All %d active cluster nodes are fully joined", count);
}
} else if (count > npeers) {
crm_err("New election needed because more nodes confirmed join "
"than are in membership (%d > %u)", count, npeers);
register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL);
} else if (controld_globals.membership_id != crm_peer_seq) {
crm_info("New join needed because membership changed (%llu -> %llu)",
controld_globals.membership_id, crm_peer_seq);
register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL);
} else {
crm_warn("Only %d of %u active cluster nodes fully joined "
"(%d did not respond to offer)",
count, npeers, crmd_join_phase_count(crm_join_welcomed));
}
}
static void
do_state_transition(enum crmd_fsa_state cur_state,
enum crmd_fsa_state next_state, fsa_data_t *msg_data)
{
int level = LOG_INFO;
int count = 0;
gboolean clear_recovery_bit = TRUE;
#if 0
uint64_t original_fsa_actions = controld_globals.fsa_actions;
#endif
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 "
CRM_XS " input=%s cause=%s origin=%s",
state_from, state_to, input, fsa_cause2string(cause),
msg_data->origin);
if (next_state != S_ELECTION && cur_state != S_RELEASE_DC) {
controld_stop_current_election_timeout();
}
#if 0
if ((controld_globals.fsa_input_register & R_SHUTDOWN)) {
controld_set_fsa_action_flags(A_DC_TIMER_STOP);
}
#endif
if (next_state == S_INTEGRATION) {
controld_set_fsa_action_flags(A_INTEGRATE_TIMER_START);
} else {
controld_set_fsa_action_flags(A_INTEGRATE_TIMER_STOP);
}
if (next_state == S_FINALIZE_JOIN) {
controld_set_fsa_action_flags(A_FINALIZE_TIMER_START);
} else {
controld_set_fsa_action_flags(A_FINALIZE_TIMER_STOP);
}
if (next_state != S_PENDING) {
controld_set_fsa_action_flags(A_DC_TIMER_STOP);
}
if (next_state != S_IDLE) {
controld_stop_recheck_timer();
}
if (cur_state == S_FINALIZE_JOIN && next_state == S_POLICY_ENGINE) {
populate_cib_nodes(node_update_quick|node_update_all, __func__);
}
switch (next_state) {
case S_PENDING:
{
cib_t *cib_conn = controld_globals.cib_conn;
cib_conn->cmds->set_secondary(cib_conn, cib_scope_local);
}
update_dc(NULL);
break;
case S_ELECTION:
update_dc(NULL);
break;
case S_NOT_DC:
controld_reset_counter_election_timer();
purge_stonith_cleanup();
if (pcmk_is_set(controld_globals.fsa_input_register, R_SHUTDOWN)) {
crm_info("(Re)Issuing shutdown request now" " that we have a new DC");
controld_set_fsa_action_flags(A_SHUTDOWN_REQ);
}
CRM_LOG_ASSERT(controld_globals.dc_name != NULL);
if (controld_globals.dc_name == 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));
}
count = crmd_join_phase_count(crm_join_welcomed);
if (count > 0) {
crm_warn("%d cluster node%s failed to respond to join offer",
count, pcmk__plural_s(count));
crmd_join_phase_log(LOG_NOTICE);
} else {
crm_debug("All cluster nodes (%d) responded to join offer",
crmd_join_phase_count(crm_join_integrated));
}
break;
case S_POLICY_ENGINE:
controld_reset_counter_election_timer();
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));
}
check_join_counts(msg_data);
break;
case S_STOPPING:
case S_TERMINATE:
/* possibly redundant */
controld_set_fsa_input_flags(R_SHUTDOWN);
break;
case S_IDLE:
CRM_LOG_ASSERT(AM_I_DC);
if (pcmk_is_set(controld_globals.fsa_input_register, R_SHUTDOWN)) {
crm_info("(Re)Issuing shutdown request now" " that we are the DC");
controld_set_fsa_action_flags(A_SHUTDOWN_REQ);
}
controld_start_recheck_timer();
break;
default:
break;
}
if (clear_recovery_bit && next_state != S_PENDING) {
controld_clear_fsa_action_flags(A_RECOVER);
} else if (clear_recovery_bit == FALSE) {
controld_set_fsa_action_flags(A_RECOVER);
}
#if 0
if (original_fsa_actions != controld_globals.fsa_actions) {
fsa_dump_actions(original_fsa_actions ^ controld_globals.fsa_actions,
"New actions");
}
#endif
}
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