Merge "Move method to v2 volumes_client"
diff --git a/tempest/services/volume/base/base_volumes_client.py b/tempest/services/volume/base/base_volumes_client.py
index 11b6e1a..1cb1ef5 100755
--- a/tempest/services/volume/base/base_volumes_client.py
+++ b/tempest/services/volume/base/base_volumes_client.py
@@ -52,19 +52,6 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def show_backend_capabilities(self, host):
-        """Shows capabilities for a storage back end.
-
-         Output params: see http://developer.openstack.org/
-                            api-ref-blockstorage-v2.html
-                            #showBackendCapabilities
-        """
-        url = 'capabilities/%s' % host
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.expected_success(200, resp.status)
-        return rest_client.ResponseBody(resp, body)
-
     def show_volume(self, volume_id):
         """Returns the details of a single volume."""
         url = "volumes/%s" % volume_id
diff --git a/tempest/services/volume/v2/json/volumes_client.py b/tempest/services/volume/v2/json/volumes_client.py
index 2a435e7..f21a1a3 100644
--- a/tempest/services/volume/v2/json/volumes_client.py
+++ b/tempest/services/volume/v2/json/volumes_client.py
@@ -56,3 +56,16 @@
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
+
+    def show_backend_capabilities(self, host):
+        """Shows capabilities for a storage back end.
+
+         Output params: see http://developer.openstack.org/
+                            api-ref-blockstorage-v2.html
+                            #showBackendCapabilities
+        """
+        url = 'capabilities/%s' % host
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)