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phab/src/applications/files/management/PhabricatorFilesManagementMigrateWorkflow.php
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PhabricatorFilesManagementMigrateWorkflow.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class PhabricatorFilesManagementMigrateWorkflow
extends PhabricatorFilesManagementWorkflow {
public function didConstruct() {
$this
->setName('migrate')
->setSynopsis('Migrate files between storage engines.')
->setArguments(
array(
array(
'name' => 'engine',
'param' => 'storage_engine',
'help' => 'Migrate to the named storage engine.',
),
array(
'name' => 'dry-run',
'help' => 'Show what would be migrated.',
),
array(
'name' => 'all',
'help' => 'Migrate all files.',
),
array(
'name' => 'names',
'wildcard' => true,
),
));
}
public function execute(PhutilArgumentParser $args) {
$console = PhutilConsole::getConsole();
$engine_id = $args->getArg('engine');
if (!$engine_id) {
throw new PhutilArgumentUsageException(
"Specify an engine to migrate to with `--engine`. ".
"Use `files engines` to get a list of engines.");
}
$engine = PhabricatorFile::buildEngine($engine_id);
if ($args->getArg('all')) {
if ($args->getArg('names')) {
throw new PhutilArgumentUsageException(
"Specify either a list of files or `--all`, but not both.");
}
$iterator = new LiskMigrationIterator(new PhabricatorFile());
} else if ($args->getArg('names')) {
$iterator = array();
foreach ($args->getArg('names') as $name) {
$name = trim($name);
$id = preg_replace('/^F/i', '', $name);
if (ctype_digit($id)) {
$file = id(new PhabricatorFile())->loadOneWhere(
'id = %d',
$id);
if (!$file) {
throw new PhutilArgumentUsageException(
"No file exists with id '{$name}'.");
}
} else {
$file = id(new PhabricatorFile())->loadOneWhere(
'phid = %d',
$name);
if (!$file) {
throw new PhutilArgumentUsageException(
"No file exists with PHID '{$name}'.");
}
}
$iterator[] = $file;
}
} else {
throw new PhutilArgumentUsageException(
"Either specify a list of files to migrate, or use `--all` ".
"to migrate all files.");
}
$is_dry_run = $args->getArg('dry-run');
$failed = array();
foreach ($iterator as $file) {
$fid = 'F'.$file->getID();
if ($file->getStorageEngine() == $engine_id) {
$console->writeOut(
"%s: Already stored on '%s'\n",
$fid,
$engine_id);
continue;
}
if ($is_dry_run) {
$console->writeOut(
"%s: Would migrate from '%s' to '%s' (dry run)\n",
$fid,
$file->getStorageEngine(),
$engine_id);
continue;
}
$console->writeOut(
"%s: Migrating from '%s' to '%s'...",
$fid,
$file->getStorageEngine(),
$engine_id);
try {
$file->migrateToEngine($engine);
$console->writeOut("done.\n");
} catch (Exception $ex) {
$console->writeOut("failed!\n");
$console->writeErr("%s\n", (string)$ex);
$failed[] = $file;
}
}
if ($failed) {
$console->writeOut("**Failures!**\n");
$ids = array();
foreach ($failed as $file) {
$ids[] = 'F'.$file->getID();
}
$console->writeOut("%s\n", implode(', ', $ids));
return 1;
} else {
$console->writeOut("**Success!**\n");
return 0;
}
}
}
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