ansible/roles/dns/tasks/main.yml

---
- name: Ensure cfg directory exist
  file:
    path: "{{ app_data_path }}/cfg"
    state: directory

- name: Create simulated hostnames file
  template:
    src: simulated_hosts.j2
    dest: "{{ app_data_path }}/cfg/simulated_hosts"
  notify: Run dns server container

- name: Load dns server container
  docker_image:
    name: "{{ dns_server_image }}"
    load_path: "{{ infra_images_path }}/{{ dns_server_image_tar }}"
    state: present
    timeout: 120
  notify: Run dns server container

- name: Enumerate running containers
  docker_list_containers:
  register: containers_list

- name: Ensure dns container is running
  command: /bin/true
  notify: Run dns server container
  when: "'dns-server' not in containers_list.containers"

- name: Force notified handlers to run at this point
  meta: flush_handlers