1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
<?php
/**
* Copy all files in FileRepo to an originals container using SHA1 paths.
*
* 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
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Copy all files in FileRepo to an originals container using SHA1 paths.
*
* This script should be run while the repo is still set to the old layout.
*
* @ingroup Maintenance
*/
class MigrateFileRepoLayout extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Copy files in repo to a different layout.";
$this->addOption( 'oldlayout', "Old layout; one of 'name' or 'sha1'", true, true );
$this->addOption( 'newlayout', "New layout; one of 'name' or 'sha1'", true, true );
$this->addOption( 'since', "Copy only files from after this timestamp", false, true );
$this->setBatchSize( 50 );
}
public function execute() {
$oldLayout = $this->getOption( 'oldlayout' );
if ( !in_array( $oldLayout, array( 'name', 'sha1' ) ) ) {
$this->error( "Invalid old layout.", 1 );
}
$newLayout = $this->getOption( 'newlayout' );
if ( !in_array( $newLayout, array( 'name', 'sha1' ) ) ) {
$this->error( "Invalid new layout.", 1 );
}
$since = $this->getOption( 'since' );
$repo = $this->getRepo();
$be = $repo->getBackend();
if ( $be instanceof FileBackendDBRepoWrapper ) {
$be = $be->getInternalBackend(); // avoid path translations for this script
}
$dbw = $repo->getMasterDB();
$origBase = $be->getContainerStoragePath( "{$repo->getName()}-original" );
$startTime = wfTimestampNow();
// Do current and archived versions...
$conds = array();
if ( $since ) {
$conds[] = 'img_timestamp >= ' . $dbw->addQuotes( $dbw->timestamp( $since ) );
}
$batch = array();
$lastName = '';
do {
$res = $dbw->select( 'image', array( 'img_name', 'img_sha1' ),
array_merge( array( 'img_name > ' . $dbw->addQuotes( $lastName ) ), $conds ),
__METHOD__,
array( 'LIMIT' => $this->mBatchSize, 'ORDER BY' => 'img_name' )
);
foreach ( $res as $row ) {
$lastName = $row->img_name;
$sha1 = $row->img_sha1;
if ( !strlen( $sha1 ) ) {
$this->error( "Image SHA-1 not set for {$row->img_name}." );
} else {
$file = $repo->newFile( $row->img_name );
if ( $oldLayout === 'sha1' ) {
$spath = "{$origBase}/{$sha1[0]}/{$sha1[1]}/{$sha1[2]}/{$sha1}";
} else {
$spath = $file->getPath();
}
if ( $newLayout === 'sha1' ) {
$dpath = "{$origBase}/{$sha1[0]}/{$sha1[1]}/{$sha1[2]}/{$sha1}";
} else {
$dpath = $file->getPath();
}
$status = $be->prepare( array( 'dir' => dirname( $dpath ) ) );
if ( !$status->isOK() ) {
$this->error( print_r( $status->getErrorsArray(), true ) );
}
$batch[] = array( 'op' => 'copy', 'overwrite' => true,
'src' => $spath, 'dst' => $dpath, 'img' => $row->img_name );
}
foreach ( $file->getHistory() as $ofile ) {
$sha1 = $ofile->getSha1();
if ( !strlen( $sha1 ) ) {
$this->error( "Image SHA-1 not set for {$ofile->getArchiveName()}." );
continue;
}
if ( $oldLayout === 'sha1' ) {
$spath = "{$origBase}/{$sha1[0]}/{$sha1[1]}/{$sha1[2]}/{$sha1}";
} elseif ( $ofile->isDeleted( File::DELETED_FILE ) ) {
$spath = $be->getContainerStoragePath( "{$repo->getName()}-deleted" ) .
'/' . $repo->getDeletedHashPath( $sha1 ) .
$sha1 . '.' . $ofile->getExtension();
} else {
$spath = $ofile->getPath();
}
if ( $newLayout === 'sha1' ) {
$dpath = "{$origBase}/{$sha1[0]}/{$sha1[1]}/{$sha1[2]}/{$sha1}";
} else {
$dpath = $ofile->getPath();
}
$status = $be->prepare( array( 'dir' => dirname( $dpath ) ) );
if ( !$status->isOK() ) {
$this->error( print_r( $status->getErrorsArray(), true ) );
}
$batch[] = array( 'op' => 'copy', 'overwrite' => true,
'src' => $spath, 'dst' => $dpath, 'img' => $ofile->getArchiveName() );
}
if ( count( $batch ) >= $this->mBatchSize ) {
$this->runBatch( $batch, $be );
$batch = array();
}
}
} while ( $res->numRows() );
if ( count( $batch ) ) {
$this->runBatch( $batch, $be );
}
// Do deleted versions...
$conds = array();
if ( $since ) {
$conds[] = 'fa_deleted_timestamp >= ' . $dbw->addQuotes( $dbw->timestamp( $since ) );
}
$batch = array();
$lastId = 0;
do {
$res = $dbw->select( 'filearchive', array( 'fa_storage_key', 'fa_id', 'fa_name' ),
array_merge( array( 'fa_id > ' . $dbw->addQuotes( $lastId ) ), $conds ),
__METHOD__,
array( 'LIMIT' => $this->mBatchSize, 'ORDER BY' => 'fa_id' )
);
foreach ( $res as $row ) {
$lastId = $row->fa_id;
$sha1Key = $row->fa_storage_key;
if ( !strlen( $sha1Key ) ) {
$this->error( "Image SHA-1 not set for file #{$row->fa_id} (deleted)." );
continue;
}
$sha1 = substr( $sha1Key, 0, strpos( $sha1Key, '.' ) );
if ( $oldLayout === 'sha1' ) {
$spath = "{$origBase}/{$sha1[0]}/{$sha1[1]}/{$sha1[2]}/{$sha1}";
} else {
$spath = $be->getContainerStoragePath( "{$repo->getName()}-deleted" ) .
'/' . $repo->getDeletedHashPath( $sha1Key ) . $sha1Key;
}
if ( $newLayout === 'sha1' ) {
$dpath = "{$origBase}/{$sha1[0]}/{$sha1[1]}/{$sha1[2]}/{$sha1}";
} else {
$dpath = $be->getContainerStoragePath( "{$repo->getName()}-deleted" ) .
'/' . $repo->getDeletedHashPath( $sha1Key ) . $sha1Key;
}
$status = $be->prepare( array( 'dir' => dirname( $dpath ) ) );
if ( !$status->isOK() ) {
$this->error( print_r( $status->getErrorsArray(), true ) );
}
$batch[] = array( 'op' => 'copy', 'src' => $spath, 'dst' => $dpath,
'overwriteSame' => true, 'img' => "(ID {$row->fa_id}) {$row->fa_name}" );
if ( count( $batch ) >= $this->mBatchSize ) {
$this->runBatch( $batch, $be );
$batch = array();
}
}
} while ( $res->numRows() );
if ( count( $batch ) ) {
$this->runBatch( $batch, $be );
}
$this->output( "Done (started $startTime)\n" );
}
protected function getRepo() {
return RepoGroup::singleton()->getLocalRepo();
}
protected function runBatch( array $ops, FileBackend $be ) {
$this->output( "Migrating file batch:\n" );
foreach ( $ops as $op ) {
$this->output( "\"{$op['img']}\" (dest: {$op['dst']})\n" );
}
$status = $be->doOperations( $ops );
if ( !$status->isOK() ) {
$this->output( print_r( $status->getErrorsArray(), true ) );
}
$this->output( "Batch done\n\n" );
}
}
$maintClass = 'MigrateFileRepoLayout';
require_once RUN_MAINTENANCE_IF_MAIN;
|
