main.yml

---

- name: LXC packages installation
  ansible.builtin.apt:
    force_apt_get: true
    name:
      - lxc
      - lxcfs
      - bridge-utils
    state: present
  register: apt_status
  retries: 60
  until: apt_status is success or ('Failed to lock apt for exclusive operation' not in apt_status.msg and '/var/lib/dpkg/lock' not in apt_status.msg)

- name: Host bridge configuration
  when: lxc_network_type == 'host_bridge'
  block:
    - name: Masquerade bridge configuration disabling
      notify: restart lxc-net
      ansible.builtin.copy:
        src: lxc-net.host_bridge
        dest: /etc/default/lxc-net
        mode: "644"
 
    - name: Ask confirmation
      ansible.builtin.pause:
        prompt: |
          -------------------------------------------------------------------------------------------
          ! WARNING !
          Host bridge configuration must be done manually, and named: br0
          Documentation (section host device as bridge): https://wiki.debian.org/LXC/SimpleBridge
          Continue (yes/no)
          -------------------------------------------------------------------------------------------
      register: confirm_continue
      no_log: true

    - name: check parm is null or invalid
      ansible.builtin.fail:
        msg: 'Installation aborted'
      when: not ((confirm_continue.user_input | bool) or (confirm_continue.user_input | length == 0))

- name: Masquerade bridge configuration
  when: lxc_network_type == 'masquerade_bridge'
  block:
    - name: Container network configuration
      notify: restart lxc-net
      ansible.builtin.copy:
        src: lxc-net.masquerade_bridge
        dest: /etc/default/lxc-net
        mode: "644"

- name: Default container configuration
  notify: restart lxc
  ansible.builtin.template:
    src: lxc-default.j2
    dest: /etc/lxc/default.conf
    mode: "644"

...