- name: Test if VAPID private key exists
  shell: grep -c "^{{ item.name }}_vapid_private_key_base64" "{{ inventory_dir }}/group_vars/all/passwords.yaml" || true
  register: vapid_private_key_test_grep

- name: Test if VAPID public key exists
  shell: grep -c "^{{ item.name }}_vapid_public_key_base64" "{{ inventory_dir }}/group_vars/all/passwords.yaml" || true
  register: vapid_public_key_test_grep

- name: Create VAPID keys
  docker_container:
    name: vapid
    image: "{{ docker_registry }}/pwgen"
    cleanup: true
    detach: false
    container_default_behavior: no_defaults
    command: "/vapid"
  register: vapid_container_output
  when: vapid_private_key_test_grep.stdout == '0' or vapid_public_key_test_grep.stdout == '0'

- name: Set VAPID keys fact
  set_fact:
    vapid_keys: "{{ vapid_container_output.container.Output | from_yaml }}"
  when: vapid_private_key_test_grep.stdout == '0' or vapid_public_key_test_grep.stdout == '0'

- name: Show VAPID private key
  debug:
    msg: "vapid private key: {{ vapid_keys['vapidPrivateKey'] }}"
    verbosity: 2
  when: vapid_private_key_test_grep.stdout == '0' 

- name: Show VAPID public key
  debug:
    msg: "vapid public key: {{ vapid_keys['vapidPublicKey'] }}"
    verbosity: 2
  when: vapid_public_key_test_grep.stdout == '0' 

- name: Write VAPID private key
  lineinfile:
    path: "{{ inventory_dir }}/group_vars/all/passwords.yaml"
    line: "{{ item.name }}_vapid_private_key_base64: \"{{ vapid_keys['vapidPrivateKey'] | b64encode }}\""
  when: vapid_private_key_test_grep.stdout == '0' 

- name: Write VAPID public key
  lineinfile:
    path: "{{ inventory_dir }}/group_vars/all/passwords.yaml"
    line: "{{ item.name }}_vapid_public_key_base64: \"{{ vapid_keys['vapidPublicKey'] | b64encode }}\""
  when: vapid_public_key_test_grep.stdout == '0'