Add enabled flag to keystone service data

Services can be enabled or disabled. Add this flag to the service
data structure.

Change-Id: I879811e95829176a64dc34cf7bef09c25421c062

releasenotes/notes/service_enabled_flag-c917b305d3f2e8fd.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - Keystone service descriptions were missing an attribute describing whether
+    or not the service was enabled. A new 'enabled' boolean attribute has been
+    added to the service data.

shade/_utils.py

@@ -193,6 +193,7 @@ def normalize_keystone_services(services):
             'description': service.get('description', None),
             'type': service_type,
             'service_type': service_type,
+            'enabled': service['enabled']
         }
         ret.append(new_service)
     return meta.obj_list_to_dict(ret)

shade/tests/fakes.py

@@ -85,12 +85,14 @@ class FakeServer(object):
 
 
 class FakeService(object):
-    def __init__(self, id, name, type, service_type, description=''):
+    def __init__(self, id, name, type, service_type, description='',
+                 enabled=True):
         self.id = id
         self.name = name
         self.type = type
         self.service_type = service_type
         self.description = description
+        self.enabled = enabled
 
 
 class FakeUser(object):

shade/tests/unit/test_services.py

@@ -31,13 +31,13 @@ from shade.tests.unit import base
 class CloudServices(base.TestCase):
     mock_services = [
         {'id': 'id1', 'name': 'service1', 'type': 'type1',
-         'service_type': 'type1', 'description': 'desc1'},
+         'service_type': 'type1', 'description': 'desc1', 'enabled': True},
         {'id': 'id2', 'name': 'service2', 'type': 'type2',
-         'service_type': 'type2', 'description': 'desc2'},
+         'service_type': 'type2', 'description': 'desc2', 'enabled': True},
         {'id': 'id3', 'name': 'service3', 'type': 'type2',
-         'service_type': 'type2', 'description': 'desc3'},
+         'service_type': 'type2', 'description': 'desc3', 'enabled': True},
         {'id': 'id4', 'name': 'service4', 'type': 'type3',
-         'service_type': 'type3', 'description': 'desc4'}
+         'service_type': 'type3', 'description': 'desc4', 'enabled': True}
     ]
 
     def setUp(self):