%YAML 1.2
---
version: "1.1"

hostnames:

  nginx:

    hosts:
      type: domainname
      default:
        - variable: intranet.vps.domain_name

    vars:
      all:
        ansible_python_interpreter: /usr/bin/python3
        ansible_user: root
        ansible_ssh_private_key_file:
          type: unix_filename
          params:
            types:
              - file
          default:
            - variable: intranet.vps.ssh_key
...