Background job to clean up old backups of the updater

* a one-time job gets scheduled after each update via a repair job
* the job remove all directories inside data/updater-INSTANCEID/backups except the 3 most recent ones (determined by mtime of the folder)

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/private/Repair/AddCleanupUpdaterBackupsJob.php b/lib/private/Repair/AddCleanupUpdaterBackupsJob.php
new file mode 100644
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+++ b/lib/private/Repair/AddCleanupUpdaterBackupsJob.php
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+<?php
+/**
+ * @copyright Copyright (c) 2018 Morris Jobke <hey@morrisjobke.de>
+ *
+ * @author Morris Jobke <hey@morrisjobke.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 OC\Repair;
+
+use OC\Core\BackgroundJobs\BackgroundCleanupUpdaterBackupsJob;
+use OCP\BackgroundJob\IJobList;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class AddCleanupUpdaterBackupsJob implements IRepairStep {
+
+	/** @var IJobList */
+	protected $jobList;
+
+	public function __construct(IJobList $jobList) {
+		$this->jobList = $jobList;
+	}
+
+	public function getName() {
+		return 'Queue a one-time job to cleanup old backups of the updater';
+	}
+
+	public function run(IOutput $output) {
+		$this->jobList->add(BackgroundCleanupUpdaterBackupsJob::class);
+	}
+}
+