Add custom user names for v2 keystone endpoint

Add custom user names for keystone users

Change-Id: Ief64830f1ed8fffd0d970a9b7748f2746f61cce6
Related-Prod: PROD-31315
diff --git a/keystone/client/service/radosgw-s3.yml b/keystone/client/service/radosgw-s3.yml
index bcf596f..464ffb2 100644
--- a/keystone/client/service/radosgw-s3.yml
+++ b/keystone/client/service/radosgw-s3.yml
@@ -12,6 +12,7 @@
             service:
               user:
                 swift:
+                  name: ${_param:keystone_swift_username}
                   is_admin: true
                   password: ${_param:keystone_swift_password}
                   email: ${_param:admin_email}