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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Adhoc task that performs asynchronous backups.
 *
 * @package    core
 * @copyright  2018 Matt Porritt <mattp@catalyst-au.net>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace core\task;

use async_helper;

defined('MOODLE_INTERNAL') || die();

require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_plan_builder.class.php');

/**
 * Adhoc task that performs asynchronous backups.
 *
 * @package     core
 * @copyright   2018 Matt Porritt <mattp@catalyst-au.net>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class asynchronous_backup_task extends adhoc_task {

    /**
     * Run the adhoc task and preform the backup.
     */
    public function execute() {
        global $DB;
        $started = time();

        $backupid = $this->get_custom_data()->backupid;
< $backuprecordid = $DB->get_field('backup_controllers', 'id', array('backupid' => $backupid), MUST_EXIST);
> $backuprecord = $DB->get_record('backup_controllers', array('backupid' => $backupid), 'id, controller', MUST_EXIST);
mtrace('Processing asynchronous backup for backup: ' . $backupid);
< // Get the backup controller by backup id.
> // Get the backup controller by backup id. If controller is invalid, this task can never complete. > if ($backuprecord->controller === '') { > mtrace('Bad backup controller status, invalid controller, ending backup execution.'); > return; > }
$bc = \backup_controller::load_controller($backupid);
< $bc->set_progress(new \core\progress\db_updater($backuprecordid, 'backup_controllers', 'progress'));
> $bc->set_progress(new \core\progress\db_updater($backuprecord->id, 'backup_controllers', 'progress'));
// Do some preflight checks on the backup. $status = $bc->get_status(); $execution = $bc->get_execution(); // Check that the backup is in the correct status and // that is set for asynchronous execution. if ($status == \backup::STATUS_AWAITING && $execution == \backup::EXECUTION_DELAYED) { // Execute the backup. $bc->execute_plan(); // Send message to user if enabled. $messageenabled = (bool)get_config('backup', 'backup_async_message_users'); if ($messageenabled && $bc->get_status() == \backup::STATUS_FINISHED_OK) { $asynchelper = new async_helper('backup', $backupid); $asynchelper->send_message(); } } else { // If status isn't 700, it means the process has failed. // Retrying isn't going to fix it, so marked operation as failed. $bc->set_status(\backup::STATUS_FINISHED_ERR); mtrace('Bad backup controller status, is: ' . $status . ' should be 700, marking job as failed.'); } // Cleanup. $bc->destroy(); $duration = time() - $started; mtrace('Backup completed in: ' . $duration . ' seconds'); } }
<