Fix class_mapping for SL nodes in SL OS Contrail

Change-Id: I4f06e146b4ec4130071dfdd18c9e00f322d38cf8
diff --git a/classes/cluster/sl_k8s_calico/stacklight/server.yml b/classes/cluster/sl_k8s_calico/stacklight/server.yml
index 531e283..ce40987 100644
--- a/classes/cluster/sl_k8s_calico/stacklight/server.yml
+++ b/classes/cluster/sl_k8s_calico/stacklight/server.yml
@@ -41,12 +41,12 @@
     keepalived_prometheus_vip_password: password
     keepalived_prometheus_vip_interface: ${_param:primary_interface}
     # Docker/Elasticsearch
-    cluster_node01_hostname: ${_param:stacklight_node01_hostname}
-    cluster_node01_address: ${_param:stacklight_node01_address}
-    cluster_node02_hostname: ${_param:stacklight_node02_hostname}
-    cluster_node02_address: ${_param:stacklight_node02_address}
-    cluster_node03_hostname: ${_param:stacklight_node03_hostname}
-    cluster_node03_address: ${_param:stacklight_node03_address}
+    cluster_node01_hostname: ${_param:stacklight_monitor_node01_hostname}
+    cluster_node01_address: ${_param:stacklight_monitor_node01_address}
+    cluster_node02_hostname: ${_param:stacklight_monitor_node02_hostname}
+    cluster_node02_address: ${_param:stacklight_monitor_node02_address}
+    cluster_node03_hostname: ${_param:stacklight_monitor_node03_hostname}
+    cluster_node03_address: ${_param:stacklight_monitor_node03_address}
     # Kibana
     kibana_elasticsearch_host: ${_param:cluster_vip_address}
     # Galera