/**
* Mark the current job as having failed
*
* @param \Exception $e
*/
public function fail(\Exception $e)
{
$this->stopped();
$this->setStatus(Job::STATUS_FAILED, $e);
// For the failed jobs we store a lot more data for debugging
$packet = $this->getPacket();
$failed_payload = array_merge(json_decode($this->payload, true), array('worker' => $packet['worker'], 'started' => $packet['started'], 'finished' => $packet['finished'], 'output' => $packet['output'], 'exception' => (array) json_decode($packet['exception'], true)));
$this->redis->zadd(Queue::redisKey($this->queue, 'failed'), time(), json_encode($failed_payload));
Stats::incr('failed', 1);
Stats::incr('failed', 1, Queue::redisKey($this->queue, 'stats'));
Event::fire(Event::JOB_FAILURE, array($this, $e));
}
/**
* Look for any workers which should be running on this server and if
* they're not, remove them from Redis.
*
* This is a form of garbage collection to handle cases where the
* server may have been killed and the workers did not die gracefully
* and therefore leave state information in Redis.
*/
public function cleanup()
{
$workers = self::allWorkers();
$hosts = $this->redis->smembers(Host::redisKey());
$cleaned = array();
foreach ($workers as $worker) {
list($host, $pid) = explode(':', (string) $worker, 2);
if ($host != (string) $this->host and in_array($host, $hosts) or $host == (string) $this->host and posix_kill((int) $pid, 0)) {
continue;
}
$this->log('Pruning dead worker: ' . $worker, Logger::DEBUG);
$worker->unregister();
$cleaned[] = (string) $worker;
}
$workerIds = array_map(function ($w) {
return (string) $w;
}, $workers);
$keys = (array) $this->redis->keys('worker:' . $this->host . ':*');
foreach ($keys as $key) {
$key = $this->redis->removeNamespace($key);
$id = substr($key, strlen('worker:'));
if (!in_array($id, $workerIds)) {
if ($this->redis->ttl($key) < 0) {
$this->log('Expiring worker data: ' . $key, Logger::DEBUG);
$this->redis->expire($key, \Resque::getConfig('default.expiry_time', \Resque::DEFAULT_EXPIRY_TIME));
}
}
}
Event::fire(Event::WORKER_CLEANUP, array($this, $cleaned));
return $cleaned;
}