---

- name: Install wireguard packages
  community.general.pacman:
    name:
      - wireguard-tools
      # for encoding .conf as a qr code
      - qrencode
  notify:
    - Start wireguard

- name: Enable IP forwarding
  sysctl:
    name: net.ipv4.ip_forward
    value: 1
    state: present
    reload: yes
  when: '"bastion" in group_names'

- name: Prevent UFW from removing IP forwarding
  lineinfile:
    path: /etc/ufw/sysctl.conf
    regexp: "^net/ipv4/ip_forward="
    line: "net/ipv4/ip_forward=1"
  when: '"bastion" in group_names'

- name: Deploy wireguard server config
  template:
    src: server.conf.j2
    dest: "/etc/wireguard/{{ wireguard_interface }}.conf"
    owner: root
    group: root
    mode: 0600
    lstrip_blocks: true
  no_log: true
  notify:
    - Start wireguard

- name: Create wireguard client config output folder
  file:
    path: "{{ wireguard.client_folder }}"
    owner: root
    group: root
    mode: 0700
    state: directory
  when: '"bastion" in group_names'

- name: Create wireguard client configs
  template:
    src: client.conf.j2
    dest: "{{ wireguard.client_folder }}/wg-{{ item.name }}.conf"
    owner: root
    group: root
    mode: 0600
    lstrip_blocks: true
  no_log: true
  with_items: "{{ wireguard_secret.clients }}"
  notify:
    - Start wireguard
  when: '"bastion" in group_names'