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standby promote: in --dry-run mode, display promote command which will be used

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For PostgreSQL 12 and later, explicitly note whether repmgr user has
execution permissions on the pg_promote() function.
This commit is contained in:
Ian Barwick
2020-04-02 12:37:32 +09:00
parent d998cab3d0
commit 447054a630
4 changed files with 46 additions and 2 deletions
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31
repmgr-action-standby.c
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@@ -2409,6 +2409,37 @@ do_standby_promote(void)
}
}
/*
* In --dry-run mode, note which promotion method will be used.
* For Pg12 and later, check whether pg_promote() can be executed.
*/
if (runtime_options.dry_run == true)
{
if (config_file_options.service_promote_command[0] != '\0')
{
log_info(_("node will be promoted using command defined in \"service_promote_command\""));
log_detail(_("\"service_promote_command\" is \"%s\""),
config_file_options.service_promote_command);
}
else if (PQserverVersion(local_conn) >= 120000)
{
if (can_execute_pg_promote(local_conn) == false)
{
log_info(_("node will be promoted using \"pg_ctl promote\""));
log_detail(_("user \"%s\" does not have permission to execute \"pg_promote()\""),
PQuser(local_conn));
}
else
{
log_info(_("node will be promoted using the \"pg_promote()\" function"));
}
}
else
{
log_info(_("node will be promoted using \"pg_ctl promote\""));
}
}
if (runtime_options.dry_run == true)
{
PQfinish(local_conn);