function db_maintanence_do_files_backup in DB Maintenance 5.2

1 call to db_maintanence_do_files_backup()

db_maintenance_cron in ./db_maintenance.module

Implementation of hook_cron().

File

./db_maintenance.module, line 437

Optimizes database tables during cron runs.

Code

function db_maintanence_do_files_backup() {
  $filespath = file_directory_path();
  $tarpath = variable_get('db_maintenance_path_to_tar', '/bin/tar');
  $backupdir = variable_get('db_maintenance_backup_directory', '/tmp');
  $dateformat = 'Ymd_H-i-s';
  $dbname = db_maintenance_get_db_info('dbname');
  $now = time();
  $date = date($dateformat, $now);
  if (is_file($tarpath) && is_dir($filespath) && is_dir($backupdir)) {
    $backupname = "{$date}_{$dbname}_files.tar.gz";
    $command = "tar -cvzf {$backupdir}/{$backupname} {$filespath}";
    exec($command, $output, $return);

    // $return is return value of exec'd command (0 is okay status)
    if ($return) {
      watchdog('db_maintenance', $output, WATCHDOG_ERROR);
      return FALSE;
    }
    else {
      if (!is_file("{$backupdir}/{$backupname}")) {
        watchdog('db_maintenance', t('failed to create files backup file') . ': ' . $output, WATCHDOG_ERROR);
        return FALSE;
      }
      return "{$backupdir}/{$backupname}";
    }
  }
  else {
    watchdog('db_maintenance', t('Files dir not present, backup dir not present or path to tar incorrect'), WATCHDOG_ERROR);
    return FALSE;
  }
}