feat(controller): expose app url

While users should not have access to view a cluster's private
information like the cluster's auth key or the list of machines,
we need the cluster domain in order to expose the app url to the
user.

Author: Matthew Fisher

api/models.py

@@ -131,6 +131,10 @@ class Meta:
     def __str__(self):
         return self.id
 
+    @property
+    def url(self):
+        return self.id + '.' + self.cluster.domain
+
     def create(self, *args, **kwargs):
         config = Config.objects.create(owner=self.owner, app=self, values={})
         build = Build.objects.create(owner=self.owner, app=self, image=settings.DEFAULT_BUILD)

api/serializers.py

@@ -172,6 +172,7 @@ class AppSerializer(serializers.ModelSerializer):
     owner = serializers.Field(source='owner.username')
     id = serializers.SlugField(default=utils.generate_app_name)
     cluster = serializers.SlugRelatedField(slug_field='id')
+    url = serializers.Field(source='url')
 
     class Meta:
         """Metadata options for a :class:`AppSerializer`."""

api/tests/test_app.py

@@ -42,6 +42,8 @@ def test_app(self):
         app_id = response.data['id']  # noqa
         self.assertIn('cluster', response.data)
         self.assertIn('id', response.data)
+        self.assertIn('url', response.data)
+        self.assertEqual(response.data['url'], '{app_id}.autotest.local'.format(**locals()))
         response = self.client.get('/api/apps')
         self.assertEqual(response.status_code, 200)
         self.assertEqual(len(response.data['results']), 1)