hpc-cloud/roles/rabbitmq/tasks/main.yml

# Install a docker based rabbitMQ.
---
- name: install service file.
  template:
    src: files/rabbitmq.service
    dest: /etc/systemd/system/rabbitmq.service
    mode: 644
    owner: root
    group: root

- name: install service file
  command: systemctl daemon-reload

- name: make sure service is started
  systemd:
    name: rabbitmq.service
    state: started

- name: setup the cluster
  command: "docker exec -i rabbitmq.service {{ item }}"
  with_items:
      - rabbitmqctl stop_app
      - "rabbitmqctl join_cluster rabbit_{{ hostname_node0 }}@{{ hostname_node0 }}"
      - rabbitmqctl start_app
  when: ansible_nodename != hostname_node0