ansible-role-nginx/tasks/keys/setup-keys.yml

---
- name: (Alpine Linux) Set up signing key
  block:
    - name: (Alpine Linux) Set up NGINX signing key URL
      set_fact:
        keysite: "{{ nginx_signing_key | default(nginx_default_signing_key['rsa_pub']) }}"

    - name: (Alpine Linux) Download NGINX signing key
      get_url:
        url: "{{ keysite }}"
        dest: /etc/apk/keys/nginx_signing.rsa.pub
        mode: 0400
  when: ansible_facts['os_family'] == "Alpine"

- name: (Debian/Red Hat/SLES OSs) Set up NGINX signing key URL
  set_fact:
    keysite: "{{ nginx_signing_key | default(nginx_default_signing_key['pgp']) }}"
  when: ansible_facts['os_family'] != "Alpine"

- name: (Debian/Ubuntu) Add NGINX signing key
  apt_key:
    id: 573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
    url: "{{ keysite }}"
  when: ansible_facts['os_family'] == "Debian"

- name: (Amazon Linux/CentOS/Oracle Linux/RHEL/SLES) Add NGINX signing key
  rpm_key:
    fingerprint: 573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
    key: "{{ keysite }}"
    validate_certs: "{{ (ansible_facts['distribution_major_version'] is version('6', '==')) | ternary('no', 'yes') }}"
  when: ansible_facts['os_family'] in ['RedHat', 'Suse']