diff --git a/tempest/api/compute/servers/test_server_rescue.py b/tempest/api/compute/servers/test_server_rescue.py
index 1008670..5048967 100644
--- a/tempest/api/compute/servers/test_server_rescue.py
+++ b/tempest/api/compute/servers/test_server_rescue.py
@@ -70,7 +70,7 @@
         cls.rescue_password = resc_server['adminPass']
 
         cls.servers_client.rescue_server(
-            cls.rescue_id, cls.rescue_password)
+            cls.rescue_id, adminPass=cls.rescue_password)
         cls.servers_client.wait_for_server_status(cls.rescue_id, 'RESCUE')
 
     def setUp(self):
@@ -111,7 +111,7 @@
     @attr(type='smoke')
     def test_rescue_unrescue_instance(self):
         resp, body = self.servers_client.rescue_server(
-            self.server_id, self.password)
+            self.server_id, adminPass=self.password)
         self.assertEqual(200, resp.status)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         resp, body = self.servers_client.unrescue_server(self.server_id)
@@ -152,7 +152,8 @@
     @attr(type=['negative', 'gate'])
     def test_rescued_vm_attach_volume(self):
         # Rescue the server
-        self.servers_client.rescue_server(self.server_id, self.password)
+        self.servers_client.rescue_server(self.server_id,
+                                          adminPass=self.password)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         self.addCleanup(self._unrescue, self.server_id)
 
@@ -173,7 +174,8 @@
             self.volume_to_detach['id'], 'in-use')
 
         # Rescue the server
-        self.servers_client.rescue_server(self.server_id, self.password)
+        self.servers_client.rescue_server(self.server_id,
+                                          adminPass=self.password)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         # addCleanup is a LIFO queue
         self.addCleanup(self._detach, self.server_id,
@@ -190,7 +192,7 @@
     def test_rescued_vm_associate_dissociate_floating_ip(self):
         # Rescue the server
         self.servers_client.rescue_server(
-            self.server_id, self.password)
+            self.server_id, adminPass=self.password)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         self.addCleanup(self._unrescue, self.server_id)
 
@@ -210,7 +212,7 @@
     def test_rescued_vm_add_remove_security_group(self):
         # Rescue the server
         self.servers_client.rescue_server(
-            self.server_id, self.password)
+            self.server_id, adminPass=self.password)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
 
         # Add Security group
diff --git a/tempest/api/compute/v3/servers/test_server_rescue.py b/tempest/api/compute/v3/servers/test_server_rescue.py
index eebd4d8..387fa88 100644
--- a/tempest/api/compute/v3/servers/test_server_rescue.py
+++ b/tempest/api/compute/v3/servers/test_server_rescue.py
@@ -56,7 +56,7 @@
         cls.rescue_password = resc_server['admin_password']
 
         cls.servers_client.rescue_server(
-            cls.rescue_id, cls.rescue_password)
+            cls.rescue_id, admin_password=cls.rescue_password)
         cls.servers_client.wait_for_server_status(cls.rescue_id, 'RESCUE')
 
     def setUp(self):
@@ -93,7 +93,7 @@
     @attr(type='smoke')
     def test_rescue_unrescue_instance(self):
         resp, body = self.servers_client.rescue_server(
-            self.server_id, self.password)
+            self.server_id, admin_password=self.password)
         self.assertEqual(202, resp.status)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         resp, body = self.servers_client.unrescue_server(self.server_id)
@@ -134,7 +134,8 @@
     @attr(type=['negative', 'gate'])
     def test_rescued_vm_attach_volume(self):
         # Rescue the server
-        self.servers_client.rescue_server(self.server_id, self.password)
+        self.servers_client.rescue_server(self.server_id,
+                                          admin_password=self.password)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         self.addCleanup(self._unrescue, self.server_id)
 
@@ -155,7 +156,8 @@
             self.volume_to_detach['id'], 'in-use')
 
         # Rescue the server
-        self.servers_client.rescue_server(self.server_id, self.password)
+        self.servers_client.rescue_server(self.server_id,
+                                          admin_password=self.password)
         self.servers_client.wait_for_server_status(self.server_id, 'RESCUE')
         # addCleanup is a LIFO queue
         self.addCleanup(self._detach, self.server_id,
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index eb1a0c3..2eae39c 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -397,9 +397,9 @@
                               'os-virtual-interfaces']))
         return resp, json.loads(body)
 
-    def rescue_server(self, server_id, adminPass=None):
+    def rescue_server(self, server_id, **kwargs):
         """Rescue the provided server."""
-        return self.action(server_id, 'rescue', None, adminPass=adminPass)
+        return self.action(server_id, 'rescue', None, **kwargs)
 
     def unrescue_server(self, server_id):
         """Unrescue the provided server."""
diff --git a/tempest/services/compute/v3/json/servers_client.py b/tempest/services/compute/v3/json/servers_client.py
index 3342660..eba3be5 100644
--- a/tempest/services/compute/v3/json/servers_client.py
+++ b/tempest/services/compute/v3/json/servers_client.py
@@ -75,7 +75,7 @@
                        ('metadata', 'meta'),
                        ('os-disk-config:disk_config', 'disk_config'),
                        ('os-multiple-create:return_reservation_id',
-                       'return_reservation_id')]:
+                        'return_reservation_id')]:
             if isinstance(option, tuple):
                 post_param = option[0]
                 key = option[1]
@@ -376,10 +376,9 @@
         return self.action(server_id, 'get_console_output', 'output',
                            length=length)
 
-    def rescue_server(self, server_id, admin_password=None):
+    def rescue_server(self, server_id, **kwargs):
         """Rescue the provided server."""
-        return self.action(server_id, 'rescue', None,
-                           admin_password=admin_password)
+        return self.action(server_id, 'rescue', None, **kwargs)
 
     def unrescue_server(self, server_id):
         """Unrescue the provided server."""
diff --git a/tempest/services/compute/v3/xml/servers_client.py b/tempest/services/compute/v3/xml/servers_client.py
index 5aca7e8..68831cd 100644
--- a/tempest/services/compute/v3/xml/servers_client.py
+++ b/tempest/services/compute/v3/xml/servers_client.py
@@ -620,10 +620,9 @@
         return self.action(server_id, 'get_console_output', 'output',
                            length=length)
 
-    def rescue_server(self, server_id, admin_password=None):
+    def rescue_server(self, server_id, **kwargs):
         """Rescue the provided server."""
-        return self.action(server_id, 'rescue', None,
-                           admin_password=admin_password)
+        return self.action(server_id, 'rescue', None, **kwargs)
 
     def unrescue_server(self, server_id):
         """Unrescue the provided server."""
diff --git a/tempest/services/compute/xml/servers_client.py b/tempest/services/compute/xml/servers_client.py
index 68f6cf0..628c6ee 100644
--- a/tempest/services/compute/xml/servers_client.py
+++ b/tempest/services/compute/xml/servers_client.py
@@ -595,9 +595,9 @@
         virt_int = self._parse_xml_virtual_interfaces(etree.fromstring(body))
         return resp, virt_int
 
-    def rescue_server(self, server_id, adminPass=None):
+    def rescue_server(self, server_id, **kwargs):
         """Rescue the provided server."""
-        return self.action(server_id, 'rescue', None, adminPass=adminPass)
+        return self.action(server_id, 'rescue', None, **kwargs)
 
     def unrescue_server(self, server_id):
         """Unrescue the provided server."""