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Diffstat (limited to 'www/wiki/maintenance/getReplicaServer.php')
-rw-r--r-- | www/wiki/maintenance/getReplicaServer.php | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/www/wiki/maintenance/getReplicaServer.php b/www/wiki/maintenance/getReplicaServer.php new file mode 100644 index 00000000..43e876ea --- /dev/null +++ b/www/wiki/maintenance/getReplicaServer.php @@ -0,0 +1,55 @@ +<?php +/** + * Reports the hostname of a replica DB server. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @ingroup Maintenance + */ + +require_once __DIR__ . '/Maintenance.php'; + +/** + * Maintenance script that reports the hostname of a replica DB server. + * + * @ingroup Maintenance + */ +class GetSlaveServer extends Maintenance { + public function __construct() { + parent::__construct(); + $this->addOption( "group", "Query group to check specifically" ); + $this->addDescription( 'Report the hostname of a replica DB server' ); + } + + public function execute() { + global $wgAllDBsAreLocalhost; + if ( $wgAllDBsAreLocalhost ) { + $host = 'localhost'; + } elseif ( $this->hasOption( 'group' ) ) { + $db = $this->getDB( DB_REPLICA, $this->getOption( 'group' ) ); + $host = $db->getServer(); + } else { + $lb = wfGetLB(); + $i = $lb->getReaderIndex(); + $host = $lb->getServerName( $i ); + } + $this->output( "$host\n" ); + } +} + +$maintClass = GetSlaveServer::class; +require_once RUN_MAINTENANCE_IF_MAIN; |