Fix files permissions

Fixes-bug: PROD-36506
Change-Id: Ia50bd3de91dc50cda36cc07ae7b362ecbef08604
diff --git a/metadata/service/volume/local.yml b/metadata/service/volume/local.yml
index 416e366..5d43416 100644
--- a/metadata/service/volume/local.yml
+++ b/metadata/service/volume/local.yml
@@ -2,6 +2,7 @@
 - cinder
 classes:
 - service.cinder.support
+- service.cinder.file_permissions
 parameters:
   _param:
     keystone_cinder_endpoint_type: internalURL