Add basic support for Senlin service

This patch adds basic support for Senlin service including consts of
Senlin service name, type and Senlin client implementation in osclients
module.

Change-Id: I94fa1143553b5ac815087820b6bb5ec54db2f3b0
Partial-bp: add-support-for-clustering-service-senlin

optional-requirements.txt

@@ -3,3 +3,4 @@ python-fuelclient==6.1.0
 python-muranoclient>=0.5.5
 python-monascaclient>=1.0.22
 python-cueclient>=1.0.0
+python-senlinclient>=0.3.0 # Apache-2.0

rally/consts.py

@@ -26,6 +26,7 @@ from rally.common import utils
 
 class _TempestTestsAPI(utils.ImmutableMixin, utils.EnumMixin):
     BAREMETAL = "baremetal"
+    CLUSTERING = "clustering"
     COMPUTE = "compute"
     DATA_PROCESSING = "data_processing"
     DATABASE = "database"
@@ -103,6 +104,7 @@ class _Service(utils.ImmutableMixin, utils.EnumMixin):
     CEILOMETER = "ceilometer"
     MONASCA = "monasca"
     S3 = "s3"
+    SENLIN = "senlin"
     TROVE = "trove"
     SAHARA = "sahara"
     SWIFT = "swift"
@@ -121,6 +123,7 @@ class _ServiceType(utils.ImmutableMixin, utils.EnumMixin):
     CLOUD = "cloudformation"
     ORCHESTRATION = "orchestration"
     IDENTITY = "identity"
+    CLUSTERING = "clustering"
     COMPUTE = "compute"
     NETWORK = "network"
     DNS = "dns"
@@ -137,6 +140,7 @@ class _ServiceType(utils.ImmutableMixin, utils.EnumMixin):
 
     def __init__(self):
         self.__names = {
+            self.CLUSTERING: _Service.SENLIN,
             self.COMPUTE: _Service.NOVA,
             self.VOLUME: _Service.CINDER,
             self.SHARE: _Service.MANILA,

rally/osclients.py

@@ -691,6 +691,17 @@ class Cue(OSClient):
         return cue.Client(session=session, interface=endpoint_type[0])
 
 
+@configure("senlin", default_version="1", default_service_type="clustering",
+           supported_versions=["1"])
+class Senlin(OSClient):
+    def create_client(self, version=None, service_type=None):
+        """Return senlin client."""
+        from senlinclient import client as senlin
+        return senlin.Client(
+            self.choose_version(version),
+            **self._get_auth_info(project_name_key="project_name"))
+
+
 class Clients(object):
     """This class simplify and unify work with OpenStack python clients."""
 

tests/unit/fakes.py

@@ -1457,6 +1457,13 @@ class FakeCueClient(object):
         pass
 
 
+class FakeSenlinClient(object):
+
+    def __init__(self):
+        # TODO(Yanyan Hu):Fake interfaces of senlinclient.
+        pass
+
+
 class FakeClients(object):
 
     def __init__(self, credential_=None):
@@ -1476,6 +1483,7 @@ class FakeClients(object):
         self._murano = None
         self._monasca = None
         self._ec2 = None
+        self._senlin = None
         self._credential = credential_ or objects.Credential(
             "http://fake.example.org:5000/v2.0/",
             "fake_username",
@@ -1565,6 +1573,11 @@ class FakeClients(object):
             self._ec2 = FakeEC2Client()
         return self._ec2
 
+    def senlin(self):
+        if not self._senlin:
+            self._senlin = FakeSenlinClient()
+        return self._senlin
+
 
 class FakeRunner(object):
 

tests/unit/test_osclients.py

@@ -782,3 +782,19 @@ class OSClientsTestCase(test.TestCase):
                 interface=consts.EndpointType.PUBLIC,
                 session=self.fake_keystone.session)
             self.assertEqual(fake_cue, self.clients.cache["cue"])
+
+    def test_senlin(self):
+        mock_senlin = mock.MagicMock()
+        self.assertNotIn("senlin", self.clients.cache)
+        with mock.patch.dict("sys.modules", {"senlinclient": mock_senlin}):
+            client = self.clients.senlin()
+            self.assertEqual(mock_senlin.client.Client.return_value, client)
+            mock_senlin.client.Client.assert_called_once_with(
+                "1",
+                username=self.credential.username,
+                password=self.credential.password,
+                project_name=self.credential.tenant_name,
+                auth_url=self.credential.auth_url)
+            self.assertEqual(
+                mock_senlin.client.Client.return_value,
+                self.clients.cache["senlin"])