---
- name: Fetch gold Pi-hole config from pi.prole.org
  hosts: pi.prole.org
  become: true
  gather_facts: false
  tasks:
    - name: Fetch /etc/pihole/pihole.toml to control node
      ansible.builtin.fetch:
        src: /etc/pihole/pihole.toml
        dest: /tmp/pihole.toml.gold
        flat: true

# - name: Show diff between current and gold
#  ansible.builtin.command: diff -u /etc/pihole/pihole.toml /tmp/pihole.toml.gold
#  register: toml_diff
#  failed_when: false
#  changed_when: false

- name: Apply gold Pi-hole config to raspberry.prole.org
  hosts: raspberry.prole.org
  become: true
  gather_facts: false
  tasks:
    - name: Copy gold pihole.toml to raspberry
      ansible.builtin.copy:
        src: /tmp/pihole.toml.gold
        dest: /etc/pihole/pihole.toml
        owner: root
        group: root
        mode: "0644"
      register: toml_copy

    - name: Restart Pi-hole FTL if config changed
      ansible.builtin.systemd:
        name: pihole-FTL
        state: restarted
      when: toml_copy.changed