pass filters argument to dockerng.ps

salt/modules/dockerng.py

@@ -2296,7 +2296,7 @@ def port(name, private_port=None):
     return dict((x, mappings[x]) for x in fnmatch.filter(mappings, pattern))
 
 
-def ps_(**kwargs):
+def ps_(filters=None, **kwargs):
     '''
     Returns information about the Docker containers on the Minion. Equivalent
     to running the ``docker ps`` Docker CLI command.
@@ -2311,6 +2311,13 @@ def ps_(**kwargs):
         If ``True``, a ``docker inspect`` will be run on each container
         returned.
 
+    filters: None
+        A dictionary of filters to be processed on the container list.
+        Available filters:
+
+          - exited (int): Only containers with specified exit code
+          - status (str): One of restarting, running, paused, exited
+          - label (str): format either "key" or "key=value"
 
     **RETURN DATA**
 
@@ -2324,9 +2331,10 @@ def ps_(**kwargs):
 
         salt myminion dockerng.ps
         salt myminion dockerng.ps all=True
+        salt myminion dockerng.ps filters="{'label': 'role=web'}"
     '''
     if 'docker.ps' not in __context__:
-        response = _client_wrapper('containers', all=True)
+        response = _client_wrapper('containers', all=True, filters=filters)
         key_map = {
             'Created': 'Time_Created_Epoch',
         }

tests/unit/modules/dockerng_test.py

@@ -51,6 +51,18 @@ class DockerngTestCase(TestCase):
                 self.assertEqual(ret,
                                  {'host': {'interfaces': {'mocked': None}}})
 
+    def test_ps_with_filters(self):
+        '''
+        Check that dockerng.ps accept filters parameter.
+        '''
+        client = MagicMock()
+        with patch.dict(dockerng_mod.__context__,
+                        {'docker.client': client}):
+            dockerng_mod.ps_(filters={'label': 'KEY'})
+            client.containers.assert_called_once_with(
+                all=True,
+                filters={'label': 'KEY'})
+
     @patch.object(dockerng_mod, '_get_exec_driver')
     def test_check_mine_cache_is_refreshed_on_container_change_event(self, _):
         '''