all:
  hosts:
    server01:
      ansible_host: 10.11.12.13
      ansible_user: root
      ansible_ssh_private_key_file: id_rsa
      email: root@example.com
      radio_name: "my radio"
      radio_genre: "my genre"
      radio_description: "my description"
      radio_url: "https://test123.com"
  children:
    servers:
      hosts:
        server01: {}