---
- name: Check if certificate already exists.
  stat:
    path: /etc/letsencrypt/live/{{ cert_item.domains | first }}/cert.pem
  register: letsencrypt_cert_exists

- name: Check if certificate has changed.
  command: grep -Fxq "{{ cert_item.domains }}" /etc/letsencrypt/domains-{{ cert_item.domains | first }}
  register: letsencrypt_cert_updated
  check_mode: no
  ignore_errors: yes
  changed_when: no
  when: letsencrypt_cert_exists.stat.exists

- debug:
    msg: Not changed
  when: letsencrypt_cert_updated.rc == 0

- debug:
    msg: Changed
  when: letsencrypt_cert_updated.rc != 0