Do not run queue workers while application is in maintenance mode.

src/Illuminate/Foundation/changes.json

@@ -62,6 +62,7 @@
 		{"message": "Added Cookie::queue method for creating cookies that are automatically attached to the final response.", "backport": null},
 		{"message": "Allow environment to be checked via App::environment method.", "backport": null},
 		{"message": "Add support for order by and limit on MySQL update queries.", "backport": null},
-		{"message": "Tweak Container::resolve to accept a type, new resolvingAny method for all objects.", "backport": null}
+		{"message": "Tweak Container::resolve to accept a type, new resolvingAny method for all objects.", "backport": null},
+		{"message": "Do not run queue workers while application is in maintenance mode.", "backport": null}
 	]
 }

src/Illuminate/Queue/Console/WorkCommand.php

@@ -48,6 +48,8 @@ public function __construct(Worker $worker)
 	 */
 	public function fire()
 	{
+		if ($this->downForMaintenance()) return;
+
 		$queue = $this->option('queue');
 
 		$delay = $this->option('delay');
@@ -62,6 +64,18 @@ public function fire()
 		$this->worker->pop($connection, $queue, $delay, $memory, $this->option('sleep'));
 	}
 
+	/**
+	 * Determine if the worker should run in maintenance mode.
+	 *
+	 * @return bool
+	 */
+	protected function downForMaintenance()
+	{
+		if ($this->option('force')) return false;
+
+		return $this->laravel->isDownForMaintenance();
+	}
+
 	/**
 	 * Get the console command arguments.
 	 *
@@ -86,6 +100,8 @@ protected function getOptions()
 
 			array('delay', null, InputOption::VALUE_OPTIONAL, 'Amount of time to delay failed jobs', 0),
 
+			array('force', null, InputOption::VALUE_NONE, 'Force the worker to run even in maintenance mode.'),
+
 			array('memory', null, InputOption::VALUE_OPTIONAL, 'The memory limit in megabytes', 128),
 
 			array('sleep', null, InputOption::VALUE_OPTIONAL, 'Number of seconds to sleep when no job is available', 3),