infra/ansible/roles/lnd/tasks/main.yml

---
- name: ensure go/bin dir exists for bitcoind user
  file:
    path: /home/bitcoind/go/bin
    state: directory
    owner: bitcoind
    group: bitcoind
    mode: 0750

- name: check if lnd is installed
  stat:
    path: /home/bitcoind/go/bin/lnd
  register: lnd_binary

- name: check lnd version
  shell: /home/bitcoind/go/bin/lnd --version | cut -d ' ' -f3
  when: lnd_binary.stat.exists
  changed_when: False
  register: lnd_installed_version

- name: stop lnd
  systemd:
    name: lnd
    state: stopped
  when: (lnd_binary.stat.exists == False) or (lnd_version != lnd_installed_version.stdout)

- name: update lnd
  unarchive:
    src: 'https://github.com/lightningnetwork/lnd/releases/download/v{{ lnd_version }}/lnd-linux-{{ lnd_arch }}-v{{ lnd_version }}.tar.gz'
    dest: /home/bitcoind/go/bin
    owner: bitcoind
    group: bitcoind
    list_files: True
    remote_src: True
    extra_opts: [--strip-components=1]
  when: (lnd_binary.stat.exists == False) or (lnd_version != lnd_installed_version.stdout)

- name: ensure lnd is started
  systemd:
    name: lnd
    state: started
    enabled: true
...