---

- name: "Check that the {{ network_name }} network unit exists"
  ansible.builtin.stat:
    path: "{{ quadlet_dir }}/{{ network_name }}.network"
  register: valkey_attach_network

# A drop-in naming a missing network breaks unit generation with an unrelated
# error, so fail here instead.
- name: "Fail if {{ network_name }} has no network unit"
  ansible.builtin.assert:
    that: valkey_attach_network.stat.exists
    fail_msg: >-
      {{ quadlet_dir }}/{{ network_name }}.network does not exist, so attaching
      it to Valkey would break the valkey unit. Create the network first
      (caddy/roles/register does it), then include this file.

- name: Ensure the Valkey Quadlet drop-in directory exists
  ansible.builtin.file:
    path: "{{ quadlet_dir }}/{{ valkey_container | default('valkey') }}.container.d"
    state: directory
    owner: "{{ podman_user }}"
    group: "{{ podman_user }}"
    mode: '0755'

- name: "Attach {{ network_name }} to Valkey"
  ansible.builtin.copy:
    dest: >-
      {{ quadlet_dir }}/{{ valkey_container | default('valkey') }}.container.d/50-{{ network_name }}.conf
    owner: "{{ podman_user }}"
    group: "{{ podman_user }}"
    mode: '0644'
    content: |
      # Added by {{ network_name }}. Deleting it detaches the network from
      # {{ valkey_container | default('valkey') }} on the next daemon-reload.
      [Container]
      Network={{ network_name }}.network
  notify: Restart Valkey

# NetworkAlias applies to every network, so one shared file holds the fixed
# alias. Two services writing their own would pass --network-alias twice.
- name: "Give {{ valkey_container | default('valkey') }} the shared 'redis' alias"
  ansible.builtin.copy:
    dest: >-
      {{ quadlet_dir }}/{{ valkey_container | default('valkey') }}.container.d/10-network-aliases.conf
    owner: "{{ podman_user }}"
    group: "{{ podman_user }}"
    mode: '0644'
    content: |
      # Shared container aliases for {{ valkey_container | default('valkey') }}.
      # Managed by Ansible (the service playbooks that use it). Do not edit.
      [Container]
      NetworkAlias=redis
  notify: Restart Valkey