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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Maintenance; |
| 4 | |
| 5 | use CirrusSearch\Sanity\Checker; |
| 6 | use CirrusSearch\Sanity\NoopRemediator; |
| 7 | use CirrusSearch\Sanity\PrintingRemediator; |
| 8 | use CirrusSearch\Sanity\QueueingRemediator; |
| 9 | use CirrusSearch\Searcher; |
| 10 | use WikiMap; |
| 11 | |
| 12 | /** |
| 13 | * Make sure the index for the wiki is sane. |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License as published by |
| 17 | * the Free Software Foundation; either version 2 of the License, or |
| 18 | * (at your option) any later version. |
| 19 | * |
| 20 | * This program is distributed in the hope that it will be useful, |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | * GNU General Public License for more details. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License along |
| 26 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 27 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 28 | * http://www.gnu.org/copyleft/gpl.html |
| 29 | */ |
| 30 | |
| 31 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 32 | if ( $IP === false ) { |
| 33 | $IP = __DIR__ . '/../../..'; |
| 34 | } |
| 35 | require_once "$IP/maintenance/Maintenance.php"; |
| 36 | require_once __DIR__ . '/../includes/Maintenance/Maintenance.php'; |
| 37 | |
| 38 | class Saneitize extends Maintenance { |
| 39 | /** |
| 40 | * @var int mediawiki page id |
| 41 | */ |
| 42 | private $fromPageId; |
| 43 | |
| 44 | /** |
| 45 | * @var int mediawiki page id |
| 46 | */ |
| 47 | private $toPageId; |
| 48 | |
| 49 | /** |
| 50 | * @var bool true to enable fast but inconsistent redirect checks |
| 51 | */ |
| 52 | private $fastCheck; |
| 53 | |
| 54 | /** |
| 55 | * @var Checker Checks is the index is insane, and calls on a Remediator |
| 56 | * instance to do something about it. The remediator may fix the issue, |
| 57 | * log about it, or do a combination. |
| 58 | */ |
| 59 | private $checker; |
| 60 | |
| 61 | public function __construct() { |
| 62 | parent::__construct(); |
| 63 | $this->setBatchSize( 10 ); |
| 64 | $this->addDescription( 'Make the index sane. Always operates on a single cluster.' ); |
| 65 | $this->addOption( 'fromId', 'Start sanitizing at a specific page_id. Default to 0.', false, true ); |
| 66 | $this->addOption( 'toId', 'Stop sanitizing at a specific page_id. Default to the maximum id in the db + 100.', false, true ); |
| 67 | $this->addOption( 'noop', 'Rather then queue remediation actions do nothing.' ); |
| 68 | $this->addOption( 'logSane', 'Print all sane pages.' ); |
| 69 | $this->addOption( 'fastCheck', 'Do not load page content to check if a page is a redirect, faster but inconsistent.' ); |
| 70 | $this->addOption( 'buildChunks', 'Instead of running the script spit out commands that can be farmed out to ' . |
| 71 | 'different processes or machines to check the index. If specified as a number then chunks no larger than ' . |
| 72 | 'that size are spat out. If specified as a number followed by the word "total" without a space between them ' . |
| 73 | 'then that many chunks will be spat out sized to cover the entire wiki.', false, true ); |
| 74 | } |
| 75 | |
| 76 | public function execute() { |
| 77 | $this->disablePoolCountersAndLogging(); |
| 78 | |
| 79 | if ( $this->hasOption( 'batch-size' ) ) { |
| 80 | $this->setBatchSize( $this->getOption( 'batch-size' ) ); |
| 81 | if ( $this->getBatchSize() > 5000 ) { |
| 82 | $this->fatalError( "--batch-size too high!" ); |
| 83 | } elseif ( $this->getBatchSize() <= 0 ) { |
| 84 | $this->fatalError( "--batch-size must be > 0!" ); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | $this->fastCheck = $this->getOption( 'fastCheck', false ); |
| 89 | |
| 90 | $this->setFromAndTo(); |
| 91 | $buildChunks = $this->getOption( 'buildChunks' ); |
| 92 | if ( $buildChunks ) { |
| 93 | $builder = new \CirrusSearch\Maintenance\ChunkBuilder(); |
| 94 | $builder->build( $this->mSelf, $this->mOptions, $buildChunks, $this->fromPageId, $this->toPageId ); |
| 95 | return null; |
| 96 | } |
| 97 | $this->buildChecker(); |
| 98 | $updated = $this->check(); |
| 99 | $this->output( "Fixed $updated page(s) (" . ( $this->toPageId - $this->fromPageId ) . " checked)\n" ); |
| 100 | |
| 101 | return true; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * @return int the number of pages corrected |
| 106 | */ |
| 107 | private function check() { |
| 108 | $updated = 0; |
| 109 | for ( $pageId = $this->fromPageId; |
| 110 | $pageId <= $this->toPageId; |
| 111 | $pageId += $this->getBatchSize() |
| 112 | ) { |
| 113 | $max = min( $this->toPageId, $pageId + $this->getBatchSize() - 1 ); |
| 114 | $updated += $this->checkChunk( range( $pageId, $max ) ); |
| 115 | } |
| 116 | return $updated; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * @param int[] $pageIds mediawiki page ids |
| 121 | * @return int number of pages corrected |
| 122 | */ |
| 123 | private function checkChunk( array $pageIds ) { |
| 124 | $updated = $this->checker->check( $pageIds ); |
| 125 | $this->output( sprintf( "[%20s]%10d/%d\n", WikiMap::getCurrentWikiId(), end( $pageIds ), |
| 126 | $this->toPageId ) ); |
| 127 | return $updated; |
| 128 | } |
| 129 | |
| 130 | private function setFromAndTo() { |
| 131 | $dbr = $this->getDB( DB_REPLICA ); |
| 132 | $this->fromPageId = $this->getOption( 'fromId' ); |
| 133 | if ( $this->fromPageId === null ) { |
| 134 | $this->fromPageId = 0; |
| 135 | } |
| 136 | $this->toPageId = $this->getOption( 'toId' ); |
| 137 | if ( $this->toPageId === null ) { |
| 138 | $this->toPageId = $dbr->selectField( 'page', 'MAX(page_id)', [], __METHOD__ ); |
| 139 | if ( $this->toPageId === false ) { |
| 140 | $this->toPageId = 0; |
| 141 | } else { |
| 142 | // Its technically possible for there to be pages in the index with ids greater |
| 143 | // than the maximum id in the database. That isn't super likely, but we'll |
| 144 | // check a bit ahead just in case. This isn't scientific or super accurate, |
| 145 | // but its cheap. |
| 146 | $this->toPageId += 100; |
| 147 | } |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | private function buildChecker() { |
| 152 | if ( $this->getOption( 'noop' ) ) { |
| 153 | $remediator = new NoopRemediator(); |
| 154 | } else { |
| 155 | $remediator = new QueueingRemediator( $this->getConnection()->getClusterName() ); |
| 156 | } |
| 157 | if ( !$this->isQuiet() ) { |
| 158 | $remediator = new PrintingRemediator( $remediator ); |
| 159 | } |
| 160 | // This searcher searches all indexes for the current wiki. |
| 161 | $searcher = new Searcher( $this->getConnection(), 0, 0, $this->getSearchConfig(), [], null ); |
| 162 | $this->checker = new Checker( |
| 163 | $this->getSearchConfig(), |
| 164 | $this->getConnection(), |
| 165 | $remediator, |
| 166 | $searcher, |
| 167 | $this->getOption( 'logSane' ), |
| 168 | $this->fastCheck |
| 169 | ); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | $maintClass = Saneitize::class; |
| 174 | require_once RUN_MAINTENANCE_IF_MAIN; |