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"node check": add server role check

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This commit is contained in:
Ian Barwick
2017-08-14 22:57:09 +09:00
parent fa7d60cd51
commit 10ef30096c
9 changed files with 156 additions and 22 deletions
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116
repmgr-action-node.c
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@@ -29,6 +29,10 @@ static void _do_node_status_is_shutdown(void);
static void _do_node_archive_config(void);
static void _do_node_restore_config(void);
static CheckStatus do_node_check_role(PGconn *conn, OutputMode mode, t_node_info *node_info, CheckStatusList *list_output);
static CheckStatus do_node_check_archiver(PGconn *conn, OutputMode mode, CheckStatusList *list_output);
static CheckStatus do_node_check_replication_lag(PGconn *conn, OutputMode mode, CheckStatusList *list_output);
void
do_node_status(void)
@@ -547,11 +551,18 @@ do_node_check(void)
return;
}
if (runtime_options.role == true)
{
(void) do_node_check_role(conn, runtime_options.output_mode, &node_info, NULL);
PQfinish(conn);
return;
}
/* output general overview */
initPQExpBuffer(&output);
//(void) do_node_check_role(conn, runtime_options.output_mode, &output);
(void) do_node_check_role(conn, runtime_options.output_mode, &node_info, &status_list);
(void) do_node_check_replication_lag(conn, runtime_options.output_mode, &status_list);
(void) do_node_check_archiver(conn, runtime_options.output_mode, &status_list);
@@ -594,7 +605,104 @@ do_node_check(void)
PQfinish(conn);
}
CheckStatus
static CheckStatus
do_node_check_role(PGconn *conn, OutputMode mode, t_node_info *node_info, CheckStatusList *list_output)
{
CheckStatus status = CHECK_STATUS_OK;
PQExpBufferData details;
RecoveryType recovery_type = get_recovery_type(conn);
if (mode == OM_CSV)
{
log_error(_("--csv output not provided with --role option"));
PQfinish(conn);
exit(ERR_BAD_CONFIG);
}
initPQExpBuffer(&details);
switch (node_info->type)
{
case PRIMARY:
if (recovery_type == RECTYPE_STANDBY)
{
status = CHECK_STATUS_CRITICAL;
appendPQExpBuffer(
&details,
_("node is registered as primary but running as standby"));
}
break;
case STANDBY:
if (recovery_type == RECTYPE_PRIMARY)
{
status = CHECK_STATUS_CRITICAL;
appendPQExpBuffer(
&details,
_("node is registered as standby but running as primary"));
}
break;
case BDR:
{
PQExpBufferData output;
initPQExpBuffer(&output);
if (is_bdr_db(conn, &output) == false)
{
status = CHECK_STATUS_CRITICAL;
appendPQExpBuffer(
&details,
"%s", output.data);
}
termPQExpBuffer(&output);
if (status == CHECK_STATUS_OK)
{
if (is_active_bdr_node(conn, node_info->node_name) == false)
{
status = CHECK_STATUS_CRITICAL;
appendPQExpBuffer(
&details,
_("node is not an active BDR node"));
}
}
}
default:
break;
}
switch (mode)
{
case OM_NAGIOS:
printf("PG_SERVER_ROLE %s: %s\n",
output_check_status(status),
details.data);
break;
case OM_TEXT:
if (list_output != NULL)
{
check_status_list_set(list_output,
"Server role",
status,
details.data);
}
else
{
printf("%s (%s)\n",
output_check_status(status),
details.data);
}
default:
break;
}
termPQExpBuffer(&details);
return status;
}
static CheckStatus
do_node_check_archiver(PGconn *conn, OutputMode mode, CheckStatusList *list_output)
{
int ready_archive_files = 0;
@@ -604,6 +712,7 @@ do_node_check_archiver(PGconn *conn, OutputMode mode, CheckStatusList *list_outp
if (mode == OM_CSV)
{
log_error(_("--csv output not provided with --archiver option"));
PQfinish(conn);
exit(ERR_BAD_CONFIG);
}
@@ -748,7 +857,7 @@ do_node_check_archiver(PGconn *conn, OutputMode mode, CheckStatusList *list_outp
}
CheckStatus
static CheckStatus
do_node_check_replication_lag(PGconn *conn, OutputMode mode, CheckStatusList *list_output)
{
CheckStatus status = CHECK_STATUS_UNKNOWN;
@@ -758,6 +867,7 @@ do_node_check_replication_lag(PGconn *conn, OutputMode mode, CheckStatusList *li
if (mode == OM_CSV)
{
log_error(_("--csv output not provided with --replication-lag option"));
PQfinish(conn);
exit(ERR_BAD_CONFIG);
}