Reclass fixes for new lab models

Change-Id: If53b0255df4a5aeb37255e82baed893419e2dd6b
diff --git a/classes/cluster/sl_k8s_calico/stacklight/server.yml b/classes/cluster/sl_k8s_calico/stacklight/server.yml
index fd5ade9..bef849f 100644
--- a/classes/cluster/sl_k8s_calico/stacklight/server.yml
+++ b/classes/cluster/sl_k8s_calico/stacklight/server.yml
@@ -45,7 +45,7 @@
     # Kibana
     kibana_elasticsearch_host: ${_param:cluster_vip_address}
     # Galera
-    openstack_version: newton
+    openstack_version: ocata
     # Grafana
     docker_grafana_replicas: 1
     grafana_database_type: mysql