Set RabbitMQ cluster role for monitoring nodes
diff --git a/reclass/storage/system/stacklight_server_cluster.yml b/reclass/storage/system/stacklight_server_cluster.yml
index 9d40ea9..ac827c7 100644
--- a/reclass/storage/system/stacklight_server_cluster.yml
+++ b/reclass/storage/system/stacklight_server_cluster.yml
@@ -21,6 +21,7 @@
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node01_address}
             keepalived_vip_priority: 103
+            rabbitmq_cluster_role: master
         stacklight_server_node02:
           name: ${_param:stacklight_monitor_node02_hostname}
           domain: ${_param:cluster_domain}
@@ -31,6 +32,7 @@
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node02_address}
             keepalived_vip_priority: 102
+            rabbitmq_cluster_role: slave
         stacklight_server_node03:
           name: ${_param:stacklight_monitor_node03_hostname}
           domain: ${_param:cluster_domain}
@@ -41,3 +43,4 @@
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node03_address}
             keepalived_vip_priority: 101
+            rabbitmq_cluster_role: slave