---
- set_fact: fallback_keyserver='hkp://p80.pool.sks-keyservers.net:80'
  when: (ansible_distribution == 'Debian' and ansible_distribution_release == 'jessie') or
        (ansible_distribution == 'Ubuntu' and ansible_distribution_release in ['trusty', 'xenial'])

- name: "(Install: APT OSs) Add APT NGINX Signing Key"
  apt_key:
    id: 573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
    keyserver: "{{ fallback_keyserver | default('hkps://hkps.pool.sks-keyservers.net:443') }}"