Fixing application template deletion

Deleting an application/service in a environment template
does not work and murano got blocked. This patch solves that
bug.

Closes-Bug: #1587809
Change-Id: I871e3b0eca82c14354b9c7ff2abce90da7cb21b0

doc/source/specification/murano-env-temp.rst

@@ -325,6 +325,19 @@ Delete application from an environment template
 
 *Response*
 
+
+::
+
+    {
+       "updated": "2015-01-26T09:12:51",
+       "services": [],
+       "name": "template_name",
+       "created": "2015-01-26T09:12:51",
+       "tenant_id": "00000000000000000000000000000001",
+       "version": 0,
+       "id": "aa9033ca7ce245fca10e38e1c8c4bbf7",
+    }
+
 +----------------+-----------------------------------------------------------+
 | Code           | Description                                               |
 +================+===========================================================+

murano/api/v1/template_applications.py

@@ -177,12 +177,13 @@ class Controller(object):
                                          path=path))
         delete_data = core_services.CoreServices.delete_env_template_data
         try:
-            delete_data(env_template_id, path)
+            result = delete_data(env_template_id, path)
         except (KeyError, ValueError):
             msg = _('The template does not exist {templ_id}').format(
                 templ_id=env_template_id)
             LOG.exception(msg)
             raise exc.HTTPNotFound(msg)
+        return result
 
 
 def create_resource():

murano/db/services/core_services.py

@@ -228,3 +228,4 @@ class CoreServices(object):
 
         utils.TraverseHelper.remove(path, tmp_description)
         save_description(tmp_description, env_template_id)
+        return tmp_description

murano/tests/unit/api/v1/test_env_templates.py

@@ -588,6 +588,7 @@ class TestEnvTemplateApi(tb.ControllerTest, tb.MuranoApiTestCase):
         req = self._post('/templates', json.dumps(body))
         result = req.get_response(self.api)
         self.assertEqual(200, result.status_code)
+        self.assertEqual(1, len(json.loads(result.body)['services']))
 
         req = self._get('/templates/%s/services' % self.uuids[0])
         result = req.get_response(self.api)
@@ -603,7 +604,9 @@ class TestEnvTemplateApi(tb.ControllerTest, tb.MuranoApiTestCase):
         req = self._delete('/templates/' + self.uuids[0] +
                            '/services/' + service_id)
         result = req.get_response(self.api)
+
         self.assertEqual(200, result.status_code)
+        self.assertEqual(0, len(json.loads(result.body)['services']))
 
         req = self._get('/templates/' + self.uuids[0] +
                         '/services/' + service_id)
@@ -678,6 +681,41 @@ class TestEnvTemplateApi(tb.ControllerTest, tb.MuranoApiTestCase):
         result = req.get_response(self.api)
         self.assertEqual(400, result.status_code)
 
+    def test_delete_notexisting_service(self):
+        """Check deleting a not existing service, return a 404 error."""
+        self._set_policy_rules(
+            {'create_env_template': '@',
+             'delete_env_application': '@'}
+        )
+        self.expect_policy_check('create_env_template')
+
+        fake_now = timeutils.utcnow()
+        timeutils.utcnow.override_time = fake_now
+
+        body = {
+            "name": "mytemplate",
+            "services": [
+                {
+                    "name": "tomcat",
+                    "port": "8080",
+                    "?": {
+                        "type": "io.murano.apps.apache.Tomcat",
+                        "id": "ID1"
+                    }
+                }
+            ]
+        }
+
+        req = self._post('/templates', json.dumps(body))
+        result = req.get_response(self.api)
+        self.assertEqual(200, result.status_code)
+        self.assertEqual(1, len(json.loads(result.body)['services']))
+
+        req = self._delete('/templates/{0}/services/{1}'.format(self.uuids[0],
+                                                                "NO_EXIST"))
+        result = req.get_response(self.api)
+        self.assertEqual(404, result.status_code)
+
     def test_create_env_notexisting_templatebody(self):
         """Check that an illegal temp name results in an HTTPClientError."""
         self._set_policy_rules(

releasenotes/notes/delete-app-in-env-template-d8e07d3b860f0441.yaml

@@ -0,0 +1,2 @@
+fixes:
+  - Fix delete application in environment template