maintenance/manageJobs.php

   1 <?php
   2 /**
   3  * Maintenance script that handles managing job queue admin tasks
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Maintenance
  22  */
  23
  24 use MediaWiki\Maintenance\Maintenance;
  25
  26 // @codeCoverageIgnoreStart
  27 require_once __DIR__ . '/Maintenance.php';
  28 // @codeCoverageIgnoreEnd
  29
  30 /**
  31  * Maintenance script that handles managing job queue admin tasks (re-push, delete, ...)
  32  *
  33  * @ingroup Maintenance
  34  */
  35 class ManageJobs extends Maintenance {
  36         public function __construct() {
  37                 parent::__construct();
  38                 $this->addDescription( 'Perform administrative tasks on a job queue' );
  39                 $this->addOption( 'type', 'Job type', true, true );
  40                 $this->addOption( 'action', 'Queue operation ("delete", "repush-abandoned")', true, true );
  41                 $this->setBatchSize( 100 );
  42         }
  43
  44         public function execute() {
  45                 $type = $this->getOption( 'type' );
  46                 $action = $this->getOption( 'action' );
  47
  48                 $group = $this->getServiceContainer()->getJobQueueGroup();
  49                 $queue = $group->get( $type );
  50
  51                 if ( $action === 'delete' ) {
  52                         $this->delete( $queue );
  53                 } elseif ( $action === 'repush-abandoned' ) {
  54                         $this->repushAbandoned( $queue );
  55                 } else {
  56                         $this->fatalError( "Invalid action '$action'." );
  57                 }
  58         }
  59
  60         private function delete( JobQueue $queue ) {
  61                 $this->output( "Queue has {$queue->getSize()} job(s); deleting...\n" );
  62                 $queue->delete();
  63                 $this->output( "Done; current size is {$queue->getSize()} job(s).\n" );
  64         }
  65
  66         private function repushAbandoned( JobQueue $queue ) {
  67                 $cache = $this->getServiceContainer()->getObjectCacheFactory()->getInstance( CACHE_DB );
  68                 $key = $cache->makeGlobalKey( 'last-job-repush', $queue->getDomain(), $queue->getType() );
  69
  70                 $now = wfTimestampNow();
  71                 $lastRepushTime = $cache->get( $key );
  72                 if ( $lastRepushTime === false ) {
  73                         $lastRepushTime = wfTimestamp( TS_MW, 1 ); // include all jobs
  74                 }
  75
  76                 $this->output( "Last re-push time: $lastRepushTime; current time: $now\n" );
  77
  78                 $count = 0;
  79                 $skipped = 0;
  80                 foreach ( $queue->getAllAbandonedJobs() as $job ) {
  81                         /** @var Job $job */
  82                         if ( $job instanceof Job && $job->getQueuedTimestamp() < wfTimestamp( TS_UNIX, $lastRepushTime ) ) {
  83                                 ++$skipped;
  84                                 continue; // already re-pushed in prior round
  85                         }
  86
  87                         $queue->push( $job );
  88                         ++$count;
  89
  90                         if ( ( $count % $this->getBatchSize() ) == 0 ) {
  91                                 $queue->waitForBackups();
  92                         }
  93                 }
  94
  95                 $cache->set( $key, $now ); // next run will ignore these jobs
  96
  97                 $this->output( "Re-pushed $count job(s) [$skipped skipped].\n" );
  98         }
  99 }
 100
 101 // @codeCoverageIgnoreStart
 102 $maintClass = ManageJobs::class;
 103 require_once RUN_MAINTENANCE_IF_MAIN;
 104 // @codeCoverageIgnoreEnd