Merge "Add "Nova V3 API test for add-fixed-IP/remove-fixed-IP""
diff --git a/tempest/api/compute/v3/servers/test_attach_interfaces.py b/tempest/api/compute/v3/servers/test_attach_interfaces.py
index a3046c7..f6068de 100644
--- a/tempest/api/compute/v3/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/v3/servers/test_attach_interfaces.py
@@ -121,3 +121,30 @@
 
         _ifs = self._test_delete_interface(server, ifs)
         self.assertEqual(len(ifs) - 1, len(_ifs))
+
+    @attr(type='gate')
+    def test_add_remove_fixed_ip(self):
+        # Add and Remove the fixed IP to server.
+        server, ifs = self._create_server_get_interfaces()
+        interface_count = len(ifs)
+        self.assertGreater(interface_count, 0)
+        self._check_interface(ifs[0])
+        network_id = ifs[0]['net_id']
+        resp, body = self.client.add_fixed_ip(server['id'],
+                                              network_id)
+        self.assertEqual(202, resp.status)
+        server_resp, server_detail = self.servers_client.get_server(
+            server['id'])
+        # Get the Fixed IP from server.
+        fixed_ip = None
+        for ip_set in server_detail['addresses']:
+            for ip in server_detail['addresses'][ip_set]:
+                if ip['type'] == 'fixed':
+                    fixed_ip = ip['addr']
+                    break
+            if fixed_ip is not None:
+                break
+        # Remove the fixed IP from server.
+        resp, body = self.client.remove_fixed_ip(server['id'],
+                                                 fixed_ip)
+        self.assertEqual(202, resp.status)
diff --git a/tempest/services/compute/v3/json/interfaces_client.py b/tempest/services/compute/v3/json/interfaces_client.py
index c167520..f8b9d09 100644
--- a/tempest/services/compute/v3/json/interfaces_client.py
+++ b/tempest/services/compute/v3/json/interfaces_client.py
@@ -81,3 +81,25 @@
                 raise exceptions.TimeoutException(message)
 
         return resp, body
+
+    def add_fixed_ip(self, server_id, network_id):
+        """Add a fixed IP to input server instance."""
+        post_body = json.dumps({
+            'add_fixed_ip': {
+                'network_id': network_id
+            }
+        })
+        resp, body = self.post('servers/%s/action' % str(server_id),
+                               post_body)
+        return resp, body
+
+    def remove_fixed_ip(self, server_id, ip_address):
+        """Remove input fixed IP from input server instance."""
+        post_body = json.dumps({
+            'remove_fixed_ip': {
+                'address': ip_address
+            }
+        })
+        resp, body = self.post('servers/%s/action' % str(server_id),
+                               post_body)
+        return resp, body