Added delete virtual interface API and Minor correction for virtual interface response

Change-Id: I40b7cb14c123746ade93b712a4b06354bc0bacea

cloudcafe/compute/servers_api/client.py

@@ -909,6 +909,16 @@ class ServersClient(AutoMarshallingHTTPClient):
 
     def create_virtual_interface(self, server_id, network_id,
                                  requestslib_kwargs=None):
+        """
+        @summary: creates a virtual interface for a network and
+        attaches the network to a server instance.
+        @param server_id: The id of an existing server.
+        @type server_id: String
+        @param network_id: The UUID for the network
+        @type network_id: string
+        @return: virtual interface response object
+        @rtype: Requests.response
+        """
         virtual_interface = RequestVirtualInterface(network_id=network_id)
         url = '{base_url}/servers/{server_id}/os-virtual-interfacesv2'.format(
             base_url=self.url, server_id=server_id)
@@ -918,8 +928,35 @@ class ServersClient(AutoMarshallingHTTPClient):
                             requestslib_kwargs=requestslib_kwargs)
 
     def list_virtual_interfaces(self, server_id, requestslib_kwargs=None):
+        """
+        @summary: lists virtual interfaces configured for a server instance.
+        @param server_id: The id of an existing server.
+        @type server_id: String
+        @return: list of virtual interfaces
+        @rtype: Requests.response
+        """
         url = '{base_url}/servers/{server_id}/os-virtual-interfacesv2'.format(
             base_url=self.url, server_id=server_id)
         return self.request('GET', url,
                             response_entity_type=ResponseVirtualInterface,
                             requestslib_kwargs=requestslib_kwargs)
+
+    def delete_virtual_interface(self, server_id, virtual_interface_id,
+                                 requestslib_kwargs=None):
+        """
+        @summary: deletes the specified virtual interface from the
+        specified server instance.
+        @param server_id: The id of an existing server.
+        @type server_id: String
+        @param virtual_interface_id: ID of the virtual interface
+        which has to be deleted.
+        @type virtual_interface_id: String
+        @return: resp
+        @rtype: Requests.response
+        """
+        url = ('{base_url}/servers/{server_id}/os-virtual-interfacesv2/'
+               '{vif_id}'.format(base_url=self.url, server_id=server_id,
+                                 vif_id=virtual_interface_id))
+        return self.request('DELETE', url,
+                            response_entity_type=None,
+                            requestslib_kwargs=requestslib_kwargs)

cloudcafe/networking/networks/common/models/response/virtual_interface.py

@@ -20,13 +20,13 @@ from cafe.engine.models.base import AutoMarshallingModel
 
 class VirtualInterface(AutoMarshallingModel):
 
-    def __init__(self, id_=None, mac_address=None, ip_addresses=None):
+    def __init__(self, id=None, mac_address=None, ip_addresses=None):
 
         """
         An object that represents the data of a Virtual Interface.
         """
         super(VirtualInterface, self).__init__()
-        self.id = id_
+        self.id = id
         self.mac_address = mac_address
         self.ip_addresses = ip_addresses or []
 
@@ -63,16 +63,17 @@ class VirtualInterface(AutoMarshallingModel):
     @classmethod
     def _json_to_obj(cls, serialized_str):
         ret = None
-        vif = 'virtual_interface'
         json_dict = json.loads(serialized_str)
+        vif = 'virtual_interface'
+        vifs = 'virtual_interfaces'
         if vif in json_dict:
             interface_dict = json_dict.get(vif)
             ip_addrs = IPAddress._dict_to_obj(interface_dict)
             interface_dict['ip_addresses'] = ip_addrs
             ret = VirtualInterface(**interface_dict)
-        if vif in json_dict:
+        if vifs in json_dict:
             ret = []
-            for interface_dict in json_dict.get(vif):
+            for interface_dict in json_dict.get(vifs):
                 ip_addrs = IPAddress._dict_to_obj(interface_dict)
                 interface_dict['ip_addresses'] = ip_addrs
                 ret.append(VirtualInterface(**interface_dict))