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MDL-48266 backup: Fix backup strorage misconfiguration

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Basically if the destination dir is empty then the storage
type should be set to the course backup area. This does
not affect the behaviour of the backups that lived with
misconfigured settings.
This commit is contained in:
Frederic Massart
2015-01-22 17:49:26 +08:00
parent 9fdf16a0fc
commit 94b8c63635
3 changed files with 23 additions and 11 deletions
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backup/util/helper/backup_cron_helper.class.php
+5 -10
View File
@@ -397,16 +397,11 @@ abstract class backup_cron_automated_helper {
$outcome = self::outcome_from_results($results);
$file = $results['backup_destination']; // May be empty if file already moved to target location.
if (empty($dir) && $storage !== 0) {
// This is intentionally left as a warning instead of an error because of the current behaviour of backup settings.
// See MDL-48266 for details.
$bc->log('No directory specified for automated backups',
backup::LOG_WARNING);
$outcome = self::BACKUP_STATUS_WARNING;
} else if ($storage !== 0 && (!file_exists($dir) || !is_dir($dir) || !is_writable($dir))) {
// If we need to copy the backup file to an external dir and it is not writable, change status to error.
$bc->log('Specified backup directory is not writable - ',
backup::LOG_ERROR, $dir);
// If we need to copy the backup file to an external dir and it is not writable, change status to error.
// This is a feature to prevent moodledata to be filled up and break a site when the admin misconfigured
// the automated backups storage type and destination directory.
if ($storage !== 0 && (empty($dir) || !file_exists($dir) || !is_dir($dir) || !is_writable($dir))) {
$bc->log('Specified backup directory is not writable - ', backup::LOG_ERROR, $dir);
$dir = null;
$outcome = self::BACKUP_STATUS_ERROR;
}
lib/db/upgrade.php
+17
View File
@@ -4121,6 +4121,23 @@ function xmldb_main_upgrade($oldversion) {
// Main savepoint reached.
upgrade_main_savepoint(true, 2015010800.01);
}
if ($oldversion < 2015011501.02) {
// If the site is using internal and external storage, or just external
// storage, and the external path specified is empty we change the setting
// to internal only. That is how the backup code is handling this
// misconfiguration.
$storage = (int) get_config('backup_auto_storage', 'backup');
$folder = get_config('backup_auto_destination', 'backup');
if ($storage !== 0 && empty($folder)) {
set_config('backup_auto_storage', 0, 'backup');
}
// Main savepoint reached.
upgrade_main_savepoint(true, 2015011501.02);
}
return true;
version.php
+1 -1
View File
@@ -29,7 +29,7 @@
defined('MOODLE_INTERNAL') || die();
$version = 2015011501.00; // YYYYMMDD = weekly release date of this DEV branch.
$version = 2015011501.02; // YYYYMMDD = weekly release date of this DEV branch.
// RR = release increments - 00 in DEV branches.
// .XX = incremental changes.