fix cluster public host
diff --git a/keystone/client/service/swift-s3.yml b/keystone/client/service/swift-s3.yml
index 7f124ad..6850dbd 100644
--- a/keystone/client/service/swift-s3.yml
+++ b/keystone/client/service/swift-s3.yml
@@ -1,7 +1,6 @@
 parameters:
   _param:
-    swift_service_host_public: ${_param:cluster_public_host}
-    swift_public_protocol: https
+    cluster_public_protocol: https
   keystone:
     client:
       server:
@@ -20,8 +19,8 @@
           region: ${_param:keystone_region}
           endpoints:
             - region: ${_param:openstack_region}
-              public_address: ${_param:swift_service_host_public}
-              public_protocol: ${_param:swift_public_protocol}
+              public_address: ${_param:cluster_public_host}
+              public_protocol: ${_param:cluster_public_protocol}
               public_port: 8080
               public_path: '/v1/AUTH_%(tenant_id)s'
               internal_address: ${_param:swift_service_host}