fix metadata for contrail 4.x

Change-Id: I2d0160ee66e9c65f814b9a75a655275c69e8c054
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index 1c8b28b..fba6222 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -100,6 +100,16 @@
           port: 9160
         - host: ${_param:cluster_node03_address}
           port: 9160
+      identity:
+        engine: keystone
+        version: '2.0'
+        region: RegionOne
+        host: ${_param:cluster_vip_address}
+        port: 35357
+        user: admin
+        password: '${_param:keystone_admin_password}'
+        token: '${_param:keystone_service_token}'
+        tenant: admin
     database:
       version: ${_param:opencontrail_version}
       cassandra:
diff --git a/metadata/service/control/single.yml b/metadata/service/control/single.yml
index ef579f7..2f4ee9d 100644
--- a/metadata/service/control/single.yml
+++ b/metadata/service/control/single.yml
@@ -87,6 +87,16 @@
         members:
         - host: ${_param:single_address}
           port: 9160
+      identity:
+        engine: keystone
+        version: '2.0'
+        region: RegionOne
+        host: ${_param:single_address}
+        port: 35357
+        user: admin
+        password: '${_param:keystone_admin_password}'
+        token: '${_param:keystone_service_token}'
+        tenant: admin
     database:
       version: ${_param:opencontrail_version}
       cassandra: