server/apps/user_ldap/lib/Migration/UUIDFixInsert.php
Arthur Schiwon 42ddb12fd9
Background jobs can take 4k of characters only. We find a good batch size.
Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
2017-02-17 20:06:25 +01:00

101 lines
2.8 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\User_LDAP\Migration;
use OCA\User_LDAP\Mapping\GroupMapping;
use OCA\User_LDAP\Mapping\UserMapping;
use OCP\BackgroundJob\IJobList;
use OCP\IConfig;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
class UUIDFixInsert implements IRepairStep {
/** @var IConfig */
protected $config;
/** @var UserMapping */
protected $userMapper;
/** @var GroupMapping */
protected $groupMapper;
/** @var IJobList */
protected $jobList;
public function __construct(IConfig $config, UserMapping $userMapper, GroupMapping $groupMapper, IJobList $jobList) {
$this->config = $config;
$this->userMapper = $userMapper;
$this->groupMapper = $groupMapper;
$this->jobList = $jobList;
}
/**
* Returns the step's name
*
* @return string
* @since 9.1.0
*/
public function getName() {
return 'Insert UUIDFix background job for user and group in batches';
}
/**
* Run repair step.
* Must throw exception on error.
*
* @param IOutput $output
* @throws \Exception in case of failure
* @since 9.1.0
*/
public function run(IOutput $output) {
$installedVersion = $this->config->getAppValue('user_ldap', 'installed_version', '1.2.1');
if(version_compare($installedVersion, '1.2.1') !== -1) {
return;
}
foreach ([$this->userMapper, $this->groupMapper] as $mapper) {
$offset = 0;
$batchSize = 50;
$jobClass = $mapper instanceof UserMapping ? UUIDFixUser::class : UUIDFixGroup::class;
do {
$retry = false;
$records = $mapper->getList($offset, $batchSize);
if(count($records) === 0){
continue;
}
try {
$this->jobList->add($jobClass, ['records' => $records]);
$offset += $batchSize;
} catch (\InvalidArgumentException $e) {
if(strpos($e->getMessage(), 'Background job arguments can\'t exceed 4000') !== false) {
$batchSize = intval(floor(count($records) * 0.8));
$retry = true;
}
}
} while (count($records) === $batchSize || $retry);
}
}
}