- name: Test the multi-node-hosts-file role
  hosts: all
  roles:
    - multi-node-hosts-file
  post_tasks:
    - name: lookup hosts file
      command: cat /etc/hosts
      register: hosts_file

    - name: Set up the list of hosts and addresses
      set_fact:
        host_addresses: >
          {% set hosts = [] -%}
          {% for host, vars in hostvars.items() -%}
          {% set _ = hosts.append({'host': host, 'address': vars['nodepool']['private_ipv4']}) -%}
          {% endfor -%}
          {{- hosts -}}

    - name: assert that hosts are in the hosts file
      vars:
        line: "{{ item.address }} {{ item.host }}"
      assert:
        that:
          - "line in hosts_file.stdout"
      with_list: "{{ host_addresses }}"