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repmgr: improve STANDBY REGISTER sanity checks and log messages

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This commit is contained in:
Ian Barwick
2016-12-14 12:38:42 +09:00
parent 46740b64a9
commit 79748f28f1
1 changed files with 18 additions and 7 deletions
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25
repmgr.c
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@@ -2007,7 +2007,7 @@ do_standby_register(void)
int node_result;
log_info(_("connecting to standby database\n"));
conn = establish_db_connection(options.conninfo, false);
conn = establish_db_connection_quiet(options.conninfo);
if (PQstatus(conn) != CONNECTION_OK)
{
@@ -2016,11 +2016,17 @@ do_standby_register(void)
log_err(_("unable to connect to local node %i (\"%s\")\n"),
options.node,
options.node_name);
log_hint(_("use option -F/--force to register a standby which is not running"));
log_hint(_("use option -F/--force to register a standby which is not running\n"));
if (PQstatus(conn) == CONNECTION_OK)
PQfinish(conn);
exit(ERR_BAD_CONFIG);
}
if (!runtime_options.connection_param_provided)
{
log_err(_("unable to connect to local node %i (\"%s\") and no master connection parameters provided\n"));
exit(ERR_BAD_CONFIG);
}
}
@@ -2062,7 +2068,8 @@ do_standby_register(void)
*/
if (PQstatus(master_conn) != CONNECTION_OK)
{
log_err(_("a master must be defined before configuring a standby\n"));
log_err(_("unable to connect to the master database\n"));
log_hint(_("a master must be defined before configuring a standby\n"));
exit(ERR_BAD_CONFIG);
}
@@ -7050,11 +7057,15 @@ check_parameters_for_action(const int action)
case STANDBY_REGISTER:
/*
* To register a standby we only need the repmgr.conf we don't
* need connection parameters to the master because we can detect
* the master in repl_nodes
* To register a standby we only need the repmgr.conf; usually
* we don't need connection parameters to the master because we
* can detect the master in repl_nodes. However in certain cases
* it may be desirable to register a standby which hasn't yet
* been started, which requires the use of --force *and* provision
* of the master connection string, in which case we don't need the
* warning.
*/
if (runtime_options.connection_param_provided)
if (runtime_options.connection_param_provided && runtime_options.force == false)
{
item_list_append(&cli_warnings, _("master connection parameters not required when executing STANDBY REGISTER"));
}