Implement virtual interfaces servers api

* Needed for openstackx dep removal
 * No cli provided in this patch

Change-Id: I873aed9e6887018db6169fffec79fc19ffc743be

novaclient/v1_1/client.py

@@ -10,6 +10,7 @@ from novaclient.v1_1 import quotas
 from novaclient.v1_1 import security_group_rules
 from novaclient.v1_1 import security_groups
 from novaclient.v1_1 import servers
+from novaclient.v1_1 import virtual_interfaces
 from novaclient.v1_1 import volumes
 from novaclient.v1_1 import volume_snapshots
 from novaclient.v1_1 import zones
@@ -56,6 +57,8 @@ class Client(object):
         self.security_groups = security_groups.SecurityGroupManager(self)
         self.security_group_rules = \
             security_group_rules.SecurityGroupRuleManager(self)
+        self.virtual_interfaces = \
+            virtual_interfaces.VirtualInterfaceManager(self)
 
         # Add in any extensions...
         if extensions:

novaclient/v1_1/virtual_interfaces.py

@@ -0,0 +1,33 @@
+# Copyright 2012 OpenStack LLC.
+# All Rights Reserved.
+#
+#    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.
+
+"""
+Virtual Interfaces (1.1 extension).
+"""
+
+from novaclient import base
+
+
+class VirtualInterface(base.Resource):
+    def __repr__(self):
+        pass
+
+
+class VirtualInterfaceManager(base.ManagerWithFind):
+    resource_class = VirtualInterface
+
+    def list(self, instance_id):
+        return self._list('/servers/%s/os-virtual-interfaces' % instance_id,
+                          'virtual_interfaces')

tests/v1_1/fakes.py

@@ -543,6 +543,14 @@ class FakeHTTPClient(base_client.HTTPClient):
         r = {'keypair': self.get_os_keypairs()[1]['keypairs'][0]}
         return (202, r)
 
+    #
+    # Virtual Interfaces
+    #
+    def get_servers_1234_os_virtual_interfaces(self, **kw):
+        return (200, {"virtual_interfaces": [
+            {'id': 'fakeid', 'mac_address': 'fakemac'}
+        ]})
+
     #
     # Quotas
     #