Convert horizon url workflow to ansible

This change will now use an ansible playbook to parse the horizon URL
information from a heat stack and return the connection string
accordingly.

Story: 2007212
Task: 38429
Depends-On: https://review.opendev.org/#/c/706196/
Depends-On: I85cb99d47cf3cb4f3093fc856e9f6892115ff5ef
Change-Id: I78e68147fc30ff4d71edb023f553219d553b53a6
Signed-off-by: Kevin Carter <kecarter@redhat.com>

tripleoclient/tests/fixture_data/deployment.py

@@ -27,9 +27,6 @@ class DeploymentWorkflowFixture(fixtures.Fixture):
         self.mock_config_download = self.useFixture(fixtures.MockPatch(
             'tripleoclient.workflows.deployment.config_download')
         ).mock
-        self.mock_get_horizon_url = self.useFixture(fixtures.MockPatch(
-            'tripleoclient.workflows.deployment.get_horizon_url')
-        ).mock
         self.mock_set_deployment_status = self.useFixture(fixtures.MockPatch(
             'tripleoclient.workflows.deployment.set_deployment_status')
         ).mock

tripleoclient/tests/v1/overcloud_deploy/test_overcloud_deploy.py

@@ -109,6 +109,23 @@ class TestDeployOvercloud(fakes.TestDeployOvercloud):
         get_container = client.object_store.get_container = mock.MagicMock()
         get_container.return_value = ('container', [{'name': 'f1'}])
 
+        # Mock playbook runner
+        playbook_runner = mock.patch(
+            'tripleoclient.utils.run_ansible_playbook',
+            autospec=True
+        )
+        playbook_runner.start()
+        self.addCleanup(playbook_runner.stop)
+
+        # Mock horizon url return
+        horizon_url = mock.patch(
+            'tripleoclient.workflows.deployment.get_horizon_url',
+            autospec=True
+        )
+        horizon_url.start()
+        horizon_url.return_value = 'fake://url:12345'
+        self.addCleanup(horizon_url.stop)
+
     def tearDown(self):
         super(TestDeployOvercloud, self).tearDown()
         os.unlink(self.parameter_defaults_env_file)

tripleoclient/v1/overcloud_deploy.py

@@ -1007,8 +1007,7 @@ class DeployOvercloud(command.Command):
 
         overcloud_endpoint = utils.get_overcloud_endpoint(stack)
 
-        horizon_url = deployment.get_horizon_url(
-            self.clients, stack=stack.stack_name)
+        horizon_url = deployment.get_horizon_url(stack=stack.stack_name)
 
         print("Overcloud Endpoint: {0}".format(overcloud_endpoint))
         print("Overcloud Horizon Dashboard URL: {0}".format(horizon_url))

tripleoclient/workflows/deployment.py

@@ -12,6 +12,7 @@
 from __future__ import print_function
 
 import copy
+import os
 import pprint
 import time
 import yaml
@@ -334,22 +335,29 @@ def config_download_export(clients, **workflow_input):
                 payload['message']))
 
 
-def get_horizon_url(clients, **workflow_input):
-    workflow_client = clients.workflow_engine
-    tripleoclients = clients.tripleoclient
+def get_horizon_url(stack):
+    """Return horizon URL string.
 
-    with tripleoclients.messaging_websocket() as ws:
-        execution = base.start_workflow(
-            workflow_client,
-            'tripleo.deployment.v1.get_horizon_url',
-            workflow_input=workflow_input
+    :params stack: Stack name
+    :type stack: string
+    :returns: string
+    """
+
+    with utils.TempDirs() as tmp:
+        horizon_tmp_file = os.path.join(tmp, 'horizon_url')
+        utils.run_ansible_playbook(
+            playbook='cli-undercloud-get-horizon-url.yaml',
+            inventory='localhost,',
+            workdir=tmp,
+            playbook_dir=ANSIBLE_TRIPLEO_PLAYBOOKS,
+            extra_vars={
+                'stack_name': stack,
+                'horizon_url_output_file': horizon_tmp_file
+            }
         )
 
-        for payload in base.wait_for_messages(workflow_client, ws, execution,
-                                              360):
-            assert payload['status'] == "SUCCESS"
-
-            return payload['horizon_url']
+        with open(horizon_tmp_file) as f:
+            return f.read().strip()
 
 
 def get_deployment_status(clients, **workflow_input):