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repmgrd: improve logging output when executing "failover_validate_command"

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This commit is contained in:
Ian Barwick
2019-03-13 21:07:26 +09:00
parent 5f92fbddf2
commit 169c9ccd32
2 changed files with 30 additions and 12 deletions
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15
repmgr.c
View File

@@ -53,6 +53,7 @@
#include "voting.h"
#define UNKNOWN_NODE_ID -1
#define ELECTION_RERUN_NOTIFICATION -2
#define UNKNOWN_PID -1
#define TRANCHE_NAME "repmgrd"
@@ -441,9 +442,17 @@ notify_follow_primary(PG_FUNCTION_ARGS)
/* only do something if local_node_id is initialised */
if (shared_state->local_node_id != UNKNOWN_NODE_ID)
{
elog(INFO, "node %i received notification to follow node %i",
shared_state->local_node_id,
primary_node_id);
if (primary_node_id == ELECTION_RERUN_NOTIFICATION)
{
elog(INFO, "node %i received notification to rerun promotion candidate election",
shared_state->local_node_id);
}
else
{
elog(INFO, "node %i received notification to follow node %i",
shared_state->local_node_id,
primary_node_id);
}
LWLockRelease(shared_state->lock);
LWLockAcquire(shared_state->lock, LW_EXCLUSIVE);

27
repmgrd-physical.c
View File

@@ -2097,7 +2097,7 @@ do_primary_failover(void)
}
else if (election_result == ELECTION_RERUN)
{
log_notice(_("election rerun"));
log_notice(_("promotion candidate election will be rerun"));
/* notify siblings that they should rerun the election too */
notify_followers(&sibling_nodes, ELECTION_RERUN_NOTIFICATION);
@@ -2835,8 +2835,8 @@ notify_followers(NodeInfoList *standby_nodes, int follow_node_id)
{
NodeInfoListCell *cell;
log_verbose(LOG_NOTICE, "%i followers to notify",
standby_nodes->node_count);
log_info(_("%i followers to notify"),
standby_nodes->node_count);
for (cell = standby_nodes->head; cell; cell = cell->next)
{
@@ -2855,8 +2855,19 @@ notify_followers(NodeInfoList *standby_nodes, int follow_node_id)
continue;
}
log_verbose(LOG_NOTICE, "notifying node %i to follow node %i",
cell->node_info->node_id, follow_node_id);
if (follow_node_id == ELECTION_RERUN_NOTIFICATION)
{
log_notice(_("notifying node \"%s\" (node ID: %i) to rerun promotion candidate selection"),
cell->node_info->node_name,
cell->node_info->node_id);
}
else
{
log_notice(_("notifying node \"%s\" (node ID: %i) to follow node %i"),
cell->node_info->node_name,
cell->node_info->node_id,
follow_node_id);
}
notify_follow_primary(cell->node_info->conn, follow_node_id);
}
}
@@ -3887,9 +3898,6 @@ execute_failover_validation_command(t_node_info *node_info)
termPQExpBuffer(&failover_validation_command);
if (return_value != 0)
log_warning(_("failover validation command returned %i"), return_value);
if (command_output.data[0] != '\0')
{
log_info("output returned by failover validation command:\n%s", command_output.data);
@@ -3904,7 +3912,8 @@ execute_failover_validation_command(t_node_info *node_info)
if (return_value != 0)
{
/* create event here? */
log_notice(_("failover validation command returned a non-zero value (%i)"), return_value);
log_notice(_("failover validation command returned a non-zero value: %i"),
return_value);
return ELECTION_RERUN;
}