class AggregateCachePayload(base.NotificationPayloadBase):
    VERSION = '1.0'
    fields = {
        'id': fields.IntegerField(),
        'uuid': fields.UUIDField(),
        'name': fields.StringField(),

        # The host that we just worked
        'host': fields.StringField(),

        # The images that were downloaded or are already there
        'images_cached': fields.ListOfStringsField(),

        # The images that are unable to be cached for some reason
        'images_failed': fields.ListOfStringsField(),

        # The N/M progress information for this operation
        'index': fields.IntegerField(),
        'total': fields.IntegerField(),
    }