mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/PageImages
synced 2024-12-11 08:07:54 +00:00
115 lines
3.4 KiB
PHP
115 lines
3.4 KiB
PHP
<?php
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$IP = getenv( 'MW_INSTALL_PATH' );
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if ( $IP === false ) {
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$IP = __DIR__ . '/../../..';
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}
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require_once "$IP/maintenance/Maintenance.php";
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use PageImages\Job\InitImageDataJob;
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/**
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* @license WTFPL 2.0
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* @author Max Semenik
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*/
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class InitImageData extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = 'Initializes PageImages data';
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$this->addOption( 'namespaces',
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'Comma-separated list of namespace(s) to refresh', false, true );
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$this->addOption( 'earlier-than',
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'Run only on pages earlier than this timestamp', false, true );
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$this->addOption( 'start', 'Starting page ID', false, true );
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$this->addOption( 'queue-pressure', 'Maximum number of jobs to enqueue at a time. ' .
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'If not provided or 0 will be run in-process.', false, true );
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$this->addOption( 'quiet', "Don't report on job queue pressure" );
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$this->setBatchSize( 100 );
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}
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/**
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* Do the actual work of filling out page images
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* @return null
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*/
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public function execute() {
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global $wgPageImagesNamespaces;
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$lastId = $this->getOption( 'start', 0 );
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$isQuiet = $this->getOption( 'quiet', false );
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$queue = null;
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$maxPressure = $this->getOption( 'queue-pressure', 0 );
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if ( $maxPressure > 0 ) {
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$queue = JobQueueGroup::singleton();
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}
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do {
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$tables = [ 'page', 'imagelinks' ];
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$conds = [
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'page_id > ' . (int)$lastId,
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'il_from IS NOT NULL',
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'page_is_redirect' => 0,
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];
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$fields = [ 'page_id' ];
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$joinConds = [ 'imagelinks' => [
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'LEFT JOIN', 'page_id = il_from',
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] ];
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$dbr = wfGetDB( DB_REPLICA );
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if ( $this->hasOption( 'namespaces' ) ) {
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$ns = explode( ',', $this->getOption( 'namespaces' ) );
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$conds['page_namespace'] = $ns;
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} else {
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$conds['page_namespace'] = $wgPageImagesNamespaces;
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}
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if ( $this->hasOption( 'earlier-than' ) ) {
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$conds[] = 'page_touched < '
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. $dbr->addQuotes( $this->getOption( 'earlier-than' ) );
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}
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$res = $dbr->select( $tables, $fields, $conds, __METHOD__,
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[ 'LIMIT' => $this->mBatchSize, 'ORDER_BY' => 'page_id', 'GROUP BY' => 'page_id' ],
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$joinConds
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);
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$pageIds = [];
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foreach ( $res as $row ) {
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$pageIds[] = $row->page_id;
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}
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$job = new InitImageDataJob( Title::newMainPage(), [ 'page_ids' => $pageIds ] );
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if ( $queue === null ) {
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$job->run();
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} else {
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$queue->push( $job );
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$this->waitForMaxPressure( $queue, $maxPressure, $isQuiet );
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}
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$lastId = end( $pageIds );
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$this->output( "$lastId\n" );
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} while ( $res->numRows() );
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$this->output( "done\n" );
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}
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/**
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* @param JobQueueGroup $queue The job queue to fetch pressure from
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* @param int $maxPressure The maximum number of queued + active
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* jobs that can exist when returning
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* @param bool $isQuiet When false report on job queue pressure every 10s
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*/
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private function waitForMaxPressure( JobQueueGroup $queue, $maxPressure, $isQuiet ) {
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$group = $queue->get( 'InitImageDataJob' );
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$i = 0;
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do {
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sleep( 1 );
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$queued = $group->getSize();
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$running = $group->getAcquiredCount();
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$abandoned = $group->getAbandonedCount();
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if ( !$isQuiet && ++$i % 10 === 0 ) {
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$now = date( 'Y-m-d H:i:s T' );
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$this->output( "[$now] Queued: $queued Running: $running " .
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"Abandoned: $abandoned Max: $maxPressure\n" );
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}
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} while ( $queued + $running - $abandoned >= $maxPressure );
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}
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}
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$maintClass = 'InitImageData';
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require_once DO_MAINTENANCE;
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