Add possibility to manage file permissions of config files

Fixes-bug: PROD-36557
Change-Id: Ic00d413ff2523de8cda5bc61b24287faf4b27b98
diff --git a/metadata/service/api/single.yml b/metadata/service/api/single.yml
index 57bcdfa..e729c47 100644
--- a/metadata/service/api/single.yml
+++ b/metadata/service/api/single.yml
@@ -2,6 +2,7 @@
 - octavia
 classes:
 - service.octavia.support
+- service.octavia.file_permissions
 parameters:
   _param:
     keystone_octavia_endpoint_type: internal