ansible/roles/vpn/tasks/main.yml

---
- name: Add backports to buster
  apt_repository:
    repo: deb http://deb.debian.org/debian buster-backports main
    state: present
  when: "'debian_buster' in group_names or 'proxmox_buster' in group_names"

- name: Install wireguard
  apt:
    name:
      - wireguard
    state: latest
    update_cache: true
  register: apt_result
  retries: 3
  until: apt_result is succeeded