Allow setting protocol for internal endpoints

This patch unhardcode protocol on internal endpoints in
keystone.client classes. It may be changed by setting
{service_name}_internal_protocol param on cluster level.

Change-Id: I37f75003f1a30aa8fb944a84f1a7fa603ca1f725
Related-Prod: PROD-17043
diff --git a/keystone/client/service/radosgw-s3.yml b/keystone/client/service/radosgw-s3.yml
index 06d8299..c97c812 100644
--- a/keystone/client/service/radosgw-s3.yml
+++ b/keystone/client/service/radosgw-s3.yml
@@ -2,6 +2,7 @@
   _param:
     cluster_public_protocol: https
     radosgw_s3_cluster_port: 8081
+    radosgw_service_protocol: http
   keystone:
     client:
       server:
@@ -26,6 +27,8 @@
                   internal_address: ${_param:radosgw_service_host}
                   internal_port: ${_param:radosgw_s3_cluster_port}
                   internal_path: '/'
+                  internal_protocol: ${_param:radosgw_service_protocol}
+                  admin_protocol: ${_param:radosgw_service_protocol}
                   admin_address: ${_param:radosgw_service_host}
                   admin_port: ${_param:radosgw_s3_cluster_port}
                   admin_path: '/'