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Add event "repmgrd_shutdown"

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Implements GitHub #393
This commit is contained in:
Ian Barwick
2018-03-06 10:55:23 +09:00
parent 0ddc226c2a
commit 9c72c0d66e
5 changed files with 116 additions and 13 deletions
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78
repmgrd-physical.c
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@@ -85,6 +85,36 @@ static void update_monitoring_history(void);
static const char * format_failover_state(FailoverState failover_state);
void
handle_sigint_physical(SIGNAL_ARGS)
{
PGconn *writeable_conn;
PQExpBufferData event_details;
initPQExpBuffer(&event_details);
appendPQExpBuffer(&event_details,
"%s signal received",
postgres_signal_arg == SIGTERM
? "TERM" : "INT");
if (local_node_info.type == PRIMARY)
writeable_conn = local_conn;
else
writeable_conn = primary_conn;
create_event_notification(writeable_conn,
&config_file_options,
config_file_options.node_id,
"repmgrd_shutdown",
true,
event_details.data);
termPQExpBuffer(&event_details);
terminate(SUCCESS);
}
/* perform some sanity checks on the node's configuration */
void
@@ -113,6 +143,14 @@ do_physical_node_check(void)
log_error(_("this node is marked as inactive and cannot be used as a failover target"));
log_hint(_("%s"), hint);
PQfinish(local_conn);
create_event_notification(NULL,
&config_file_options,
config_file_options.node_id,
"repmgrd_shutdown",
false,
"node is inactive and cannot be used as a failover target");
terminate(ERR_BAD_CONFIG);
case FAILOVER_MANUAL:
@@ -304,7 +342,7 @@ monitor_streaming_primary(void)
create_event_notification(NULL,
&config_file_options,
config_file_options.node_id,
"repmgrd_terminate",
"repmgrd_shutdown",
true,
event_details.data);
@@ -420,15 +458,28 @@ monitor_streaming_primary(void)
}
else if (record_status == RECORD_NOT_FOUND)
{
log_error(_("no metadata record found for this node on current primary %i"), primary_node_id);
PQExpBufferData event_details;
initPQExpBuffer(&event_details);
appendPQExpBuffer(&event_details,
_("no metadata record found for this node on current primary %i"),
primary_node_id);
log_error("%s", event_details.data);
log_hint(_("check that 'repmgr (primary|standby) register' was executed for this node"));
PQfinish(new_primary_conn);
/* add event notification */
create_event_notification(NULL,
&config_file_options,
config_file_options.node_id,
"repmgrd_shutdown",
false,
event_details.data);
termPQExpBuffer(&event_details);
terminate(ERR_BAD_CONFIG);
}
}
}
else
@@ -1065,9 +1116,26 @@ monitor_streaming_witness(void)
if (get_primary_node_record(local_conn, &upstream_node_info) == false)
{
log_error(_("unable to retrieve record for primary node"));
PQExpBufferData event_details;
initPQExpBuffer(&event_details);
appendPQExpBuffer(&event_details,
_("unable to retrieve record for primary node"));
log_error("%s", event_details.data);
log_hint(_("execute \"repmgr witness register --force\" to update the witness node "));
PQfinish(local_conn);
create_event_notification(NULL,
&config_file_options,
config_file_options.node_id,
"repmgrd_shutdown",
false,
event_details.data);
termPQExpBuffer(&event_details);
terminate(ERR_BAD_CONFIG);
}