Update SL k8s model params

Change-Id: I69fd0b539056453a491046f2c752ff84ed0dc31c
diff --git a/classes/cluster/sl_k8s_calico/stacklight/server.yml b/classes/cluster/sl_k8s_calico/stacklight/server.yml
index bcc9e87..c196530 100644
--- a/classes/cluster/sl_k8s_calico/stacklight/server.yml
+++ b/classes/cluster/sl_k8s_calico/stacklight/server.yml
@@ -67,6 +67,7 @@
     prometheus_influxdb_username: lma
     prometheus_influxdb_password: ${_param:influxdb_stacklight_password}
     remote_collector_telegraf_host: monitoring_remote_agent
+    rabbitmq_openstack_password: workshop
   elasticsearch:
     server:
       heap: