implement --timeout flag for docker-compose down

Fix #3370

Signed-off-by: Madeline Stager <stager.madeline@gmail.com>

compose/cli/main.py

@@ -371,9 +371,12 @@ class TopLevelCommand(object):
                                 attached to containers.
             --remove-orphans    Remove containers for services not defined in the
                                 Compose file
+            -t, --timeout TIMEOUT      Specify a shutdown timeout in seconds.
+                                     (default: 10)
         """
         image_type = image_type_from_opt('--rmi', options['--rmi'])
-        self.project.down(image_type, options['--volumes'], options['--remove-orphans'])
+        timeout = timeout_from_opts(options)
+        self.project.down(image_type, options['--volumes'], options['--remove-orphans'], timeout=timeout)
 
     def events(self, options):
         """

compose/project.py

@@ -330,8 +330,8 @@ class Project(object):
             service_names, stopped=True, one_off=one_off
         ), options)
 
-    def down(self, remove_image_type, include_volumes, remove_orphans=False):
+    def down(self, remove_image_type, include_volumes, remove_orphans=False, timeout=None):
-        self.stop(one_off=OneOffFilter.include)
+        self.stop(one_off=OneOffFilter.include, timeout=timeout)
         self.find_orphan_containers(remove_orphans)
         self.remove_stopped(v=include_volumes, one_off=OneOffFilter.include)
 

tests/acceptance/cli_test.py

@@ -794,6 +794,27 @@ class CLITestCase(DockerClientTestCase):
         assert 'Removing network v2full_default' in result.stderr
         assert 'Removing network v2full_front' in result.stderr
 
+    def test_down_timeout(self):
+        self.dispatch(['up', '-d'], None)
+        service = self.project.get_service('simple')
+        self.assertEqual(len(service.containers()), 1)
+        self.assertTrue(service.containers()[0].is_running)
+        ""
+
+        self.dispatch(['down', '-t', '1'], None)
+
+        self.assertEqual(len(service.containers(stopped=True)), 0)
+
+    def test_down_signal(self):
+        self.base_dir = 'tests/fixtures/stop-signal-composefile'
+        self.dispatch(['up', '-d'], None)
+        service = self.project.get_service('simple')
+        self.assertEqual(len(service.containers()), 1)
+        self.assertTrue(service.containers()[0].is_running)
+
+        self.dispatch(['down', '-t', '1'], None)
+        self.assertEqual(len(service.containers(stopped=True)), 0)
+
     def test_up_detached(self):
         self.dispatch(['up', '-d'])
         service = self.project.get_service('simple')