Change generate fencing parameters to call workflow

Update the client and tests to call the workflow
tripleo.parameters.v1.generate_fencing_parameters instead of the action
tripleo.parameters.generate_fencing directly.

Change-Id: I9539109db4edd4b5fa2ee365cc8b3055bd2c5df7
Depends-On: I63f3a579af5aa70080f8c9cdd5eb0e8f5b3d17da
Partial-Bug: #1640436

tripleoclient/tests/v1/test_overcloud_parameters.py

@@ -92,15 +92,13 @@ class TestGenerateFencingParameters(utils.TestCommand):
 
         self.cmd = overcloud_parameters.GenerateFencingParameters(self.app,
                                                                   None)
-        self.app.client_manager.workflow_engine = mock.Mock()
+        self.app.client_manager = mock.Mock()
 
-        self.workflow = self.app.client_manager.workflow_engine
-
-    def test_generate_parameters(self):
-        nodes_file = tempfile.NamedTemporaryFile(suffix='.json', delete=False,
-                                                 mode="wt")
-        self.addCleanup(os.unlink, nodes_file.name)
-        nodes_file.write("""
+    @mock.patch(
+        'tripleoclient.workflows.parameters.generate_fencing_parameters',
+        autospec=True)
+    def test_generate_parameters(self, mock_gen_fence):
+        mock_open_context = mock.mock_open(read_data="""
 {
   "nodes": [
       {
@@ -127,24 +125,24 @@ class TestGenerateFencingParameters(utils.TestCommand):
   ]
 }
         """)
-        nodes_file.close()
 
         os.environ["OS_USERNAME"] = "test_os_username"
         os.environ["OS_PASSWORD"] = "test_os_password"
         os.environ["OS_AUTH_URL"] = "test://auth.url"
         os.environ["OS_TENANT_NAME"] = "test_os_tenant_name"
 
-        arglist = [nodes_file.name]
+        arglist = ['node_file.json']
         verifylist = []
 
-        self.workflow.action_executions.create.return_value = mock.MagicMock(
-            output='{"result":[]}')
-        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
-        self.cmd.take_action(parsed_args)
+        mock_gen_fence.return_value = '{"result":[]}'
 
-        self.workflow.action_executions.create.assert_called_once_with(
-            'tripleo.parameters.generate_fencing',
-            {
+        with mock.patch('six.moves.builtins.open', mock_open_context):
+            parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+            self.cmd.take_action(parsed_args)
+
+        mock_gen_fence.assert_called_once_with(
+            self.app.client_manager,
+            **{
                 'nodes_json': [
                     {
                         u'mac': [u'00:11:22:33:44:55'],
@@ -168,5 +166,4 @@ class TestGenerateFencingParameters(utils.TestCommand):
                 'ipmi_cipher': None,
                 'ipmi_lanplus': False,
                 'ipmi_level': None
-            },
-            run_sync=True, save_result=True)
+            })

tripleoclient/tests/workflows/test_parameters.py

@@ -209,3 +209,17 @@ class TestParameterWorkflows(utils.TestCommand):
 
         std_output = mock_print.getvalue()
         self.assertNotIn('TestParameter1', std_output)
+
+    def test_generate_fencing_parameters(self):
+        self.websocket.wait_for_messages.return_value = iter([{
+            "execution": {"id": "IDID"},
+            "status": "SUCCESS",
+            "fencing_parameters": "{}"
+        }])
+
+        parameters.generate_fencing_parameters(
+            self.app.client_manager, **{})
+
+        self.workflow.executions.create.assert_called_once_with(
+            'tripleo.parameters.v1.generate_fencing_parameters',
+            workflow_input={})

tripleoclient/v1/overcloud_parameters.py

@@ -21,7 +21,6 @@ from osc_lib.i18n import _
 from tripleoclient import command
 from tripleoclient import exceptions
 from tripleoclient import utils
-from tripleoclient.workflows import base
 from tripleoclient.workflows import parameters
 
 
@@ -125,11 +124,11 @@ class GenerateFencingParameters(command.Command):
             'ipmi_level': parsed_args.ipmi_level,
             'ipmi_cipher': parsed_args.ipmi_cipher,
             'ipmi_lanplus': parsed_args.ipmi_lanplus,
-            }
-        result = base.call_action(
-            self.app.client_manager.workflow_engine,
-            'tripleo.parameters.generate_fencing',
-            **workflow_input)
+        }
+
+        result = parameters.generate_fencing_parameters(
+            self.app.client_manager, **workflow_input)
+
         fencing_parameters = yaml.safe_dump(result, default_flow_style=False)
         if parsed_args.output:
             parsed_args.output.write(fencing_parameters)

tripleoclient/workflows/parameters.py

@@ -138,3 +138,24 @@ def check_deprecated_parameters(clients, container):
                   'role-specific inputs.')
             print('\n'.join(['  {}'.format(param)
                             for param in invalid_role_specific_params]))
+
+
+def generate_fencing_parameters(clients, **workflow_input):
+    workflow_client = clients.workflow_engine
+    tripleoclients = clients.tripleoclient
+
+    with tripleoclients.messaging_websocket() as ws:
+        execution = base.start_workflow(
+            workflow_client,
+            'tripleo.parameters.v1.generate_fencing_parameters',
+            workflow_input=workflow_input)
+
+        for payload in base.wait_for_messages(workflow_client,
+                                              ws, execution, 600):
+            if payload['status'] != 'SUCCESS':
+                raise exceptions.WorkflowServiceError(
+                    'Exception generating fencing parameters: {}'.format(
+                        payload['message']))
+            if ('fencing_parameters' in payload and
+                    (payload.get('status', 'FAILED') == "SUCCESS")):
+                return payload['fencing_parameters']