Enabling V3 identity for horizon

Change-Id: Ibbd54ee40e4b695b8272f148c7cf7835300ffa1e
Related-PROD: PROD-13886
Related-PROD: PROD-13895
diff --git a/classes/cluster/virtual-mcp11-aio/openstack/init.yml b/classes/cluster/virtual-mcp11-aio/openstack/init.yml
index b40a30b..d1961db 100755
--- a/classes/cluster/virtual-mcp11-aio/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-aio/openstack/init.yml
@@ -311,6 +311,8 @@
       secure: False
       identity:
         encryption: ssl
+      api_versions:
+        identity: 3
   designate:
     server:
       quota: