Added a script to find missing LocalRepo files
authorAaron Schulz <aschulz@wikimedia.org>
Wed, 6 Aug 2014 13:01:56 +0000 (06:01 -0700)
committerReedy <reedy@wikimedia.org>
Thu, 7 Aug 2014 15:25:16 +0000 (15:25 +0000)
Change-Id: I507bd43c6a74568ce94844146c9e20a4d8d17d46

maintenance/findMissingFiles.php [new file with mode: 0644]

diff --git a/maintenance/findMissingFiles.php b/maintenance/findMissingFiles.php
new file mode 100644 (file)
index 0000000..8c71699
--- /dev/null
@@ -0,0 +1,85 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Aaron Schulz
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+class FindMissingFiles extends Maintenance {
+       function __construct() {
+               parent::__construct();
+
+               $this->mDescription = 'Find registered files with no corresponding file.';
+               $this->addOption( 'start', 'Starting file name', false, true );
+               $this->setBatchSize( 200 );
+       }
+
+       function execute() {
+               $lastName = $this->getOption( 'start', '' );
+
+               $repo = RepoGroup::singleton()->getLocalRepo();
+               $dbr = $repo->getSlaveDB();
+               $be = $repo->getBackend();
+
+               do {
+                       $res = $dbr->select( 'image',
+                               'img_name',
+                               array( "img_name >= " . $dbr->addQuotes( $lastName ) ),
+                               __METHOD__,
+                               array( 'ORDER BY' => 'img_name', 'LIMIT' => $this->mBatchSize )
+                       );
+
+                       // Check if any of these files are missing...
+                       $pathsByName = array();
+                       foreach ( $res as $row ) {
+                               $file = $repo->newFile( $row->img_name );
+                               $pathsByName[$row->img_name] = $file->getPath();
+                               $lastName = $row->img_name;
+                       }
+                       $be->preloadFileStat( array( 'srcs' => $pathsByName ) );
+                       foreach ( $pathsByName as $path ) {
+                               if ( $be->fileExists( array( 'src' => $path ) ) === false ) {
+                                       $this->output( "$path\n" );
+                               }
+                       }
+
+                       // Find all missing old versions of any of the files in this batch...
+                       if ( count( $pathsByName ) ) {
+                               $ores = $dbr->select( 'oldimage',
+                                       array( 'oi_name', 'oi_archive_name' ),
+                                       array( 'oi_name' => array_keys( $pathsByName ) ),
+                                       __METHOD__
+                               );
+                               foreach ( $ores as $row ) {
+                                       if ( !strlen( $row->oi_archive_name ) ) {
+                                               continue; // broken row
+                                       }
+                                       $file = $repo->newFromArchiveName( $row->oi_name, $row->oi_archive_name );
+                                       $path = $file->getPath();
+                                       if ( $be->fileExists( array( 'src' => $path ) ) === false ) {
+                                               $this->output( "$path\n" );
+                                       }
+                               }
+                       }
+               } while ( $res->numRows() >= $this->mBatchSize );
+       }
+}
+
+$maintClass = 'FindMissingFiles';
+require_once RUN_MAINTENANCE_IF_MAIN;