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1 | <?php |
2 | /** |
3 | * Copy all jobs from one job queue system to another. |
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\WikiMap\WikiMap; |
25 | |
26 | require_once __DIR__ . '/Maintenance.php'; |
27 | |
28 | /** |
29 | * Copy all jobs from one job queue system to another. |
30 | * This uses an ad-hoc $wgJobQueueMigrationConfig setting, |
31 | * which is a map of queue system names to JobQueue::factory() parameters. |
32 | * The parameters should not have wiki or type settings and thus partial. |
33 | * |
34 | * @ingroup Maintenance |
35 | */ |
36 | class CopyJobQueue extends Maintenance { |
37 | public function __construct() { |
38 | parent::__construct(); |
39 | $this->addDescription( 'Copy jobs from one queue system to another.' ); |
40 | $this->addOption( 'src', 'Key to $wgJobQueueMigrationConfig for source', true, true ); |
41 | $this->addOption( 'dst', 'Key to $wgJobQueueMigrationConfig for destination', true, true ); |
42 | $this->addOption( 'type', 'Types of jobs to copy (use "all" for all)', true, true ); |
43 | $this->setBatchSize( 500 ); |
44 | } |
45 | |
46 | public function execute() { |
47 | global $wgJobQueueMigrationConfig; |
48 | |
49 | $srcKey = $this->getOption( 'src' ); |
50 | $dstKey = $this->getOption( 'dst' ); |
51 | |
52 | if ( !isset( $wgJobQueueMigrationConfig[$srcKey] ) ) { |
53 | $this->fatalError( "\$wgJobQueueMigrationConfig not set for '$srcKey'." ); |
54 | } elseif ( !isset( $wgJobQueueMigrationConfig[$dstKey] ) ) { |
55 | $this->fatalError( "\$wgJobQueueMigrationConfig not set for '$dstKey'." ); |
56 | } |
57 | |
58 | $types = ( $this->getOption( 'type' ) === 'all' ) |
59 | ? $this->getServiceContainer()->getJobQueueGroup()->getQueueTypes() |
60 | : [ $this->getOption( 'type' ) ]; |
61 | |
62 | $dbDomain = WikiMap::getCurrentWikiDbDomain()->getId(); |
63 | foreach ( $types as $type ) { |
64 | $baseConfig = [ 'type' => $type, 'domain' => $dbDomain ]; |
65 | $src = JobQueue::factory( $baseConfig + $wgJobQueueMigrationConfig[$srcKey] ); |
66 | $dst = JobQueue::factory( $baseConfig + $wgJobQueueMigrationConfig[$dstKey] ); |
67 | |
68 | [ $total, $totalOK ] = $this->copyJobs( $src, $dst, $src->getAllQueuedJobs() ); |
69 | $this->output( "Copied $totalOK/$total queued $type jobs.\n" ); |
70 | |
71 | [ $total, $totalOK ] = $this->copyJobs( $src, $dst, $src->getAllDelayedJobs() ); |
72 | $this->output( "Copied $totalOK/$total delayed $type jobs.\n" ); |
73 | } |
74 | } |
75 | |
76 | protected function copyJobs( JobQueue $src, JobQueue $dst, $jobs ) { |
77 | $total = 0; |
78 | $totalOK = 0; |
79 | $batch = []; |
80 | foreach ( $jobs as $job ) { |
81 | ++$total; |
82 | $batch[] = $job; |
83 | if ( count( $batch ) >= $this->getBatchSize() ) { |
84 | $dst->push( $batch ); |
85 | $totalOK += count( $batch ); |
86 | $batch = []; |
87 | $dst->waitForBackups(); |
88 | } |
89 | } |
90 | if ( count( $batch ) ) { |
91 | $dst->push( $batch ); |
92 | $totalOK += count( $batch ); |
93 | $dst->waitForBackups(); |
94 | } |
95 | |
96 | return [ $total, $totalOK ]; |
97 | } |
98 | } |
99 | |
100 | $maintClass = CopyJobQueue::class; |
101 | require_once RUN_MAINTENANCE_IF_MAIN; |