- hosts: rabbitmq
  remote_user: root
  tasks:
    - name: populate inventory into hosts file
      blockinfile:
        path: /etc/hosts
        block: |-
          {% for item in (groups['rabbitmq'])|unique -%}
          {{ item }} {{ hostvars[item]['name'] }}
          {% endfor %}
        state: present
        create: yes
        backup: yes
        unsafe_writes: yes