---
- name: Get the public IP of the lighthouse
  ansible.builtin.uri:
    url: "https://api.ipify.org?format=json"
    method: Get
  register: public_ip
  until: public_ip.status == 200
  retries: 6
  delay: 10

- name: Set the routable IP fact
  ansible.builtin.set_fact:
    nebula_routable_ip: "{{ public_ip.json.ip }}"
...