Adds empty RoleManager to v2 client

Adds RoleManager and Role resource
Adds RoleManager to v2 client
Adds _path() to RoleManager
Adds basic tests

Change-Id: Id903d6e9469d62c5fe566dbdf3d55be8b45a75f8

tuskarclient/tests/v2/test_client.py

@@ -24,3 +24,5 @@ class ClientTest(tutils.TestCase):
     def test_managers_present(self):
         self.assertThat(self.client, tutils.HasManager('PlanManager',
                                                        'plans'))
+        self.assertThat(self.client, tutils.HasManager('RoleManager',
+                                                       'roles'))

tuskarclient/tests/v2/test_roles.py

@@ -0,0 +1,26 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import mock
+
+import tuskarclient.tests.utils as tutils
+from tuskarclient.v2 import roles
+
+
+class RoleManagerTest(tutils.TestCase):
+
+    def setUp(self):
+        """Create a mock API object and bind to the PlanManager manager.
+        """
+        super(RoleManagerTest, self).setUp()
+        self.api = mock.Mock()
+        self.rm = roles.RoleManager(self.api)

tuskarclient/v2/client.py

@@ -12,6 +12,7 @@
 
 from tuskarclient.common import http
 from tuskarclient.v2 import plans
+from tuskarclient.v2 import roles
 
 
 class Client(object):
@@ -25,3 +26,4 @@ class Client(object):
     def __init__(self, *args, **kwargs):
         self.http_client = http.HTTPClient(*args, **kwargs)
         self.plans = plans.PlanManager(self.http_client)
+        self.roles = roles.RoleManager(self.http_client)

tuskarclient/v2/roles.py

@@ -0,0 +1,40 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from tuskarclient.common import base
+from tuskarclient.openstack.common.apiclient import base as common_base
+
+
+class Role(common_base.Resource):
+    """Represents an instance of a Role in the Tuskar API.
+
+    :param manager: Manager object
+    :param info: dictionary representing resource attributes
+    :param loaded: prevent lazy-loading if set to True
+    """
+
+
+class RoleManager(base.Manager):
+    """RoleManager interacts with the Tuskar API and provides
+    operations for adding/removing Roles to/from Plans.
+    """
+
+    # The class used to represent a Role instance
+    resource_class = Role
+
+    @staticmethod
+    def _path(role_id=None):
+
+        if role_id:
+            return '/v2/roles/%s' % role_id
+
+        return '/v2/roles'