---
all:
  hosts:
    demetra:
      ansible_host: demetra.sea
    proserpina:
      ansible_host: proserpina.sea
    persephone:
      ansible_host: persephone.sea
    charon:
      ansible_host: charon.sea
    virgil:
      ansible_host: virgil.sea

  children:
    dns:
      hosts:
        demetra:
          ansible_host: demetra.sea
        proserpina:
          ansible_host: proserpina.sea
        persephone:
          ansible_host: persephone.sea

    vpn_gateway:
      hosts:
        demetra:
          ansible_host: demetra.sea