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111 lines
3.5 KiB
PHP
111 lines
3.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2021 Julius Härtl <jus@bitgrid.net>
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*
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* @author Julius Härtl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Files_External\Migration;
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use Closure;
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use OC\Files\Cache\Storage;
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use OCP\DB\Exception;
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use OCP\DB\IResult;
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use OCP\DB\ISchemaWrapper;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\SimpleMigrationStep;
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use Psr\Log\LoggerInterface;
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class Version1015Date20211104103506 extends SimpleMigrationStep {
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/** @var IDBConnection */
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private $connection;
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/** @var LoggerInterface */
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private $logger;
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public function __construct(IDBConnection $connection, LoggerInterface $logger) {
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$this->connection = $connection;
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$this->logger = $logger;
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}
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public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
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$qb = $this->connection->getQueryBuilder();
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$qb->update('storages')
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->set('id', $qb->createParameter('newId'))
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->where($qb->expr()->eq('id', $qb->createParameter('oldId')));
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$mounts = $this->getS3Mounts();
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if (!$mounts instanceof IResult) {
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throw new \Exception('Could not fetch existing mounts for migration');
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}
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while ($mount = $mounts->fetch()) {
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$config = $this->getStorageConfig((int)$mount['mount_id']);
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$hostname = $config['hostname'];
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$bucket = $config['bucket'];
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$key = $config['key'];
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$oldId = Storage::adjustStorageId('amazon::' . $bucket);
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$newId = Storage::adjustStorageId('amazon::external::' . md5($hostname . ':' . $bucket . ':' . $key));
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try {
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$qb->setParameter('oldId', $oldId);
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$qb->setParameter('newId', $newId);
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$qb->execute();
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$this->logger->info('Migrated s3 storage id for mount with id ' . $mount['mount_id'] . ' to ' . $newId);
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} catch (Exception $e) {
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$this->logger->error('Failed to migrate external s3 storage id for mount with id ' . $mount['mount_id'], [
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'exception' => $e
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]);
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}
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}
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return null;
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}
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/**
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* @throws Exception
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* @return \OCP\DB\IResult|int
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*/
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private function getS3Mounts() {
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$qb = $this->connection->getQueryBuilder();
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$qb->select('m.mount_id')
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->selectAlias('c.value', 'bucket')
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->from('external_mounts', 'm')
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->innerJoin('m', 'external_config', 'c', 'c.mount_id = m.mount_id')
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->where($qb->expr()->eq('m.storage_backend', $qb->createPositionalParameter('amazons3')))
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->andWhere($qb->expr()->eq('c.key', $qb->createPositionalParameter('bucket')));
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return $qb->execute();
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}
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/**
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* @throws Exception
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*/
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private function getStorageConfig(int $mountId): array {
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$qb = $this->connection->getQueryBuilder();
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$qb->select('key', 'value')
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->from('external_config')
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->where($qb->expr()->eq('mount_id', $qb->createPositionalParameter($mountId)));
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$config = [];
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foreach ($qb->execute()->fetchAll() as $row) {
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$config[$row['key']] = $row['value'];
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}
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return $config;
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}
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}
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