-define in one host_vars/host config to designate the master_rabbit_node
-````
-master_rabbit_node: true
-````
-
-````
-enable_rabbitmq_clustering: false #defines if setting up a rabbitmq cluster...define here or in group_vars/group
-config_rabbitmq_ha: false #defines if rabbitmq ha should be configured...define here or in group_vars/group
-master_rabbit_node: false #defines if node should be considered master...define as true in one host in host_vars/host out of all nodes to be part of cluster
-rabbitmq_config:
- - queue_name: logstash
- durable: true
- exchange_name: logstash
- type: fanout
- routing_key: logstash
- tags: 'ha-mode=all,ha-sync-mode=automatic'
-````