maintenance/getSlaveServer.php

   1 <?php
   2 /**
   3  * This script reports the hostname of a slave server.
   4  *
   5  * @file
   6  * @ingroup Maintenance
   7  */
   8
   9 require_once( "Maintenance.php" );
  10
  11 class GetSlaveServer extends Maintenance {
  12         public function __construct() {
  13                 parent::__construct();
  14                 $this->addParam( "group", "Query group to check specifically" );
  15                 $this->mDescription = "Report the hostname of a slave server";
  16         }
  17         public function execute() {
  18                 global $wgAllDBsAreLocalhost;
  19                 if( $wgAllDBsAreLocalhost ) {
  20                         $host = 'localhost';
  21                 } else {
  22                         if( $this->hasOption('group') ) {
  23                                 $db = wfGetDB( DB_SLAVE, $this->getOption('group') );
  24                                 $host = $db->getServer();
  25                         } else {
  26                                 $lb = wfGetLB();
  27                                 $i = $lb->getReaderIndex();
  28                                 $host = $lb->getServerName( $i );
  29                         }
  30                 }
  31                 $this->output( "$host\n" );
  32         }
  33 }
  34
  35 $maintClass = "GetSlaveServer";
  36 require_once( DO_MAINTENANCE );