- name: Check named.conf.options
  shell: "grep -c '^[ \\t]\\+allow-query' /etc/bind/named.conf.options || echo 0"
  register: named_conf
  changed_when: named_conf.stdout == "0"

- debug:
    msg: "BIND has already been configured"
  when: named_conf.stdout != "0"

- name: Install BIND
  become: true
  apt:
    autoclean: yes
    autoremove: yes
    install_recommends: no
    name: bind9
    purge: yes
    state: latest
    update_cache: yes
  when: named_conf.stdout == "0"

- name: Configure BIND
  become: true
  copy:
    src: named.conf.options
    dest: /etc/bind/named.conf.options
    owner: bind
    group: bind
    mode: '0600'
  when: named_conf.stdout == "0"

- name: Reload BIND
  become: true
  service:
    name: bind9
    state: reloaded
  when: named_conf.stdout == "0"