volumes:
  - id: "cinder-block-device"
    type: "vg"
    label: "Cinder Block Device"
    min_size: { generator: "calc_min_cinder_size" }
    mount: "none"
    volumes: []

volumes_roles_mapping:
  cinder-block-device:
    - {allocate_size: "min", id: "os"}
    - {allocate_size: "full-disk", id: "cinder-block-device"}