/**
* Executes the cronjob.
*
* @param mixed $last_result What the last execution of this cronjob
* returned.
* @param Array $parameters Parameters for this cronjob instance which
* were defined during scheduling.
*/
public function execute($last_result, $parameters = array())
{
$event_log = new EventLog();
$event_log->cleanup_log_events();
if (!empty($parameters['cronjobs'])) {
$delete = function ($l) {
$l->delete();
};
if ($parameters['cronjobs-error'] > 0) {
CronjobLog::findEachBySql($delete, "exception != 'N;' AND executed + ? < UNIX_TIMESTAMP()", array($parameters['cronjobs-error'] * 24 * 60 * 60));
}
if ($parameters['cronjobs-success'] > 0) {
CronjobLog::findEachBySql($delete, "exception = 'N;' AND executed + ? < UNIX_TIMESTAMP()", array($parameters['cronjobs-success'] * 24 * 60 * 60));
}
}
}
/**
* Performs a bulk operation on a set of log entries. The only supported
* operation at the moment is deleting.
*
* @param int $page Return to this page afterwarsd (optional)
*/
public function bulk_action($page = 1)
{
$action = Request::option('action');
$ids = Request::optionArray('ids');
$logs = CronjobLog::findMany($ids);
if ($action === 'delete') {
foreach ($logs as $log) {
$log->delete();
}
$n = count($logs);
$message = sprintf(ngettext('%u Logeintrag wurde gelöscht.', '%u Logeinträge wurden gelöscht.', $n), $n);
PageLayout::postMessage(MessageBox::success($message));
}
$this->redirect('admin/cronjobs/logs/index/' . $page);
}
/**
* Executes the available schedules if they are to be executed.
* This method can only be run once - even if one execution takes more
* than planned. This is ensured by a locking mechanism.
*/
public function run()
{
if (!Config::get()->CRONJOBS_ENABLE) {
return;
}
$escalation_time = Config::get()->CRONJOBS_ESCALATION;
// Check whether a previous cronjob worker is still running.
if ($this->lock->isLocked($data)) {
// Running but not yet escalated -> let it run
if ($data['timestamp'] + $escalation_time > time()) {
return;
}
// Load locked schedule
$schedule = CronjobSchedule::find($data['schedule_id']);
// If we discovered a deadlock release it
if ($schedule) {
// Deactivate schedule
$schedule->deactivate();
// Adjust log
$log = CronjobLog::find($data['log_id']);
$log->duration = time() - $data['timestamp'];
$log->exception = new Exception('Cronjob has escalated');
$log->store();
// Inform roots about the escalated cronjob
$subject = sprintf('[Cronjobs] %s: %s', _('Eskalierte Ausführung'), $schedule->title);
$message = sprintf(_('Der Cronjob "%s" wurde deaktiviert, da ' . 'seine Ausführungsdauer die maximale ' . 'Ausführungszeit von %u Sekunden ' . 'überschritten hat.') . "\n", $schedule->title, $escalation_time);
$this->sendMailToRoots($subject, $message);
}
// Release lock
$this->lock->release();
}
// Find all schedules that are due to execute and which task is active
$temp = CronjobSchedule::findBySQL('active = 1 AND next_execution <= UNIX_TIMESTAMP() ' . 'ORDER BY priority DESC, next_execution ASC');
# $temp = SimpleORMapCollection::createFromArray($temp);
$schedules = array_filter($temp, function ($schedule) {
return $schedule->task->active;
});
if (count($schedules) === 0) {
return;
}
foreach ($schedules as $schedule) {
$log = new CronjobLog();
$log->schedule_id = $schedule->schedule_id;
$log->scheduled = $schedule->next_execution;
$log->executed = time();
$log->exception = null;
$log->duration = -1;
$log->store();
set_time_limit($escalation_time);
// Activate the file lock and store the current timestamp,
// schedule id and according log id in it
$this->lock->lock(array('schedule_id' => $schedule->schedule_id, 'log_id' => $log->log_id));
// Start capturing output and measuring duration
ob_start();
$start_time = microtime(true);
try {
$schedule->execute();
} catch (Exception $e) {
$log->exception = $e;
// Deactivate schedule
$schedule->deactivate();
// Send mail to root accounts
$subject = sprintf('[Cronjobs] %s: %s', _('Fehlerhafte Ausführung'), $schedule->title);
$message = sprintf(_('Der Cronjob "%s" wurde deaktiviert, da bei der Ausführung ein Fehler aufgetreten ist.'), $schedule->title) . "\n";
$message .= "\n";
$message .= display_exception($e) . "\n";
$message .= _('Für weiterführende Informationen klicken Sie bitten den folgenden Link:') . "\n";
$message .= $GLOBALS['ABSOLUTE_URI_STUDIP'] . URLHelper::getURL('dispatch.php/admin/cronjobs/logs/schedule/' . $schedule->schedule_id);
$this->sendMailToRoots($subject, $message);
}
// Actually capture output and duration
$end_time = microtime(true);
$output = ob_get_clean();
// Complete log
$log->output = $output;
$log->duration = $end_time - $start_time;
$log->store();
}
// Release lock
$this->lock->release();
}
