---
# This has been adapted from code in OpenStack Ansible's systemd_networkd role.
# https://github.com/openstack/ansible-role-systemd_networkd/blob/master/tasks/main.yml

- name: Find unexpected systemd-networkd configuration files
  become: true
  ansible.builtin.find:
    paths: /etc/systemd/network
    patterns: "{{ systemd_networkd_cleanup_patterns }}"
    use_regex: "{{ systemd_networkd_cleanup_patterns_use_regex | bool }}"
  register: networkd_files

- name: Remove unexpected systemd-networkd configuration files
  become: true
  vars:
    expected_files:
      - "{{ systemd_networkd_link.keys() | map('regex_replace', '^(.*)$', '\\1.link') | list }}"
      - "{{ systemd_networkd_netdev.keys() | map('regex_replace', '^(.*)$', '\\1.netdev') | list }}"
      - "{{ systemd_networkd_network.keys() | map('regex_replace', '^(.*)$', '\\1.network') | list }}"
  ansible.builtin.file:
    path: /etc/systemd/network/{{ item }}
    state: absent
  loop: "{{ networkd_files.files | map(attribute='path') | map('basename') | difference(expected_files | flatten) | list }}"
  notify:
    - Restart systemd-networkd