[Messenger] Log when SIGTERM is received

ruudk · ruudk · commit 1471ea0fc869 · 2021-08-31T16:01:34.000+02:00
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/messenger.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/messenger.php
@@ -192,6 +192,9 @@
             ->tag('monolog.logger', ['channel' => 'messenger'])
 
         ->set('messenger.listener.stop_worker_on_sigterm_signal_listener', StopWorkerOnSigtermSignalListener::class)
+            ->args([
+                service('logger')->ignoreOnInvalid(),
+            ])
             ->tag('kernel.event_subscriber')
 
         ->set('messenger.listener.stop_worker_on_stop_exception_listener', StopWorkerOnCustomStopExceptionListener::class)
diff --git a/src/Symfony/Component/Messenger/CHANGELOG.md b/src/Symfony/Component/Messenger/CHANGELOG.md
@@ -6,6 +6,7 @@ CHANGELOG
 
  * Add `StopWorkerExceptionInterface` and its implementation `StopWorkerException` to stop the worker.
  * Add log when worker should stop.
+ * Add log when `SIGTERM` is received.
 
 5.3
 ---
diff --git a/src/Symfony/Component/Messenger/EventListener/StopWorkerOnSigtermSignalListener.php b/src/Symfony/Component/Messenger/EventListener/StopWorkerOnSigtermSignalListener.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Messenger\EventListener;
 
+use Psr\Log\LoggerInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\Messenger\Event\WorkerStartedEvent;
 
@@ -19,9 +20,20 @@
  */
 class StopWorkerOnSigtermSignalListener implements EventSubscriberInterface
 {
+    private $logger;
+
+    public function __construct(LoggerInterface $logger = null)
+    {
+        $this->logger = $logger;
+    }
+
     public function onWorkerStarted(WorkerStartedEvent $event): void
     {
-        pcntl_signal(\SIGTERM, static function () use ($event) {
+        pcntl_signal(\SIGTERM, function () use ($event) {
+            if (null !== $this->logger) {
+                $this->logger->info('Received SIGTERM signal.');
+            }
+
             $event->getWorker()->stop();
         });
     }
