manifest-schema.yml

---
$schema: http://json-schema.org/draft-04/schema#
title: VirtualBox manifest
type: object
properties:
  provider:
    type: object
    properties:
      guest_additions:
        type: string
        pattern: ^[^\0]+$
  system:
    type: object
    properties:
      bootloader:
        type: string
        enum:
        - grub
        - extlinux
  volume:
    type: object
    properties:
      backing:
        type: string
        enum:
        - raw
        - vdi
        - vmdk
      partitions:
        type: object
        properties:
          type:
            type: string
            enum:
            - none
            - msdos
            - gpt
    required: [backing]