Create *-messages container when setting deployment status

This used to be created earlier by the mistral workflows running before
setting the status. As we've removing those, it has to be created,
if does not exist.

Change-Id: I9600f8b08391b36eae02a051713967b932fa06d3

tripleoclient/tests/test_utils.py

@@ -1674,6 +1674,7 @@ class TestGeneralUtils(base.TestCommand):
         self.tc = self.app.client_manager.tripleoclient = mock.Mock()
         obj = self.tc.object_store = mock.Mock()
         obj.put_object = mock.Mock()
+        obj.put_container = mock.Mock()
 
     def test_update_deployment_status(self):
         mock_status = {
@@ -1686,3 +1687,4 @@ class TestGeneralUtils(base.TestCommand):
             mock_status
         )
         self.tc.object_store.put_object.assert_called()
+        self.tc.object_store.put_container.assert_called()

tripleoclient/tests/v1/overcloud_deploy/test_overcloud_deploy.py

@@ -1721,6 +1721,7 @@ class TestGetDeploymentStatus(utils.TestCommand):
         ).create_mistral_context
         obj = tc.object_store = mock.Mock()
         obj.put_object = mock.Mock()
+        obj.put_container = mock.Mock()
 
     @mock.patch(
         'tripleo_common.actions.deployment.DeploymentStatusAction.run',

tripleoclient/utils.py

@@ -2483,8 +2483,14 @@ def update_deployment_status(clients, plan, status, message=None):
     if not message:
         message = 'Status updated without mistral.'
 
-    clients.tripleoclient.object_store.put_object(
-        '{}-messages'.format(plan),
+    container = '{}-messages'.format(plan)
+
+    # create {plan}-messages container if not there
+    swift = clients.tripleoclient.object_store
+    swift.put_container(container)
+
+    swift.put_object(
+        container,
         'deployment_status.yaml',
         yaml.safe_dump(
             {