Convert the virtualbox config file values for clone_mode into the integers the API requires

def map_clonemode(vm_info):
    """
    Convert the virtualbox config file values for clone_mode into the integers the API requires
    """
    mode_map = {
      'state': 0,
      'child': 1,
      'all':   2
    }

    if not vm_info:
        return DEFAULT_CLONE_MODE

    if 'clonemode' not in vm_info:
        return DEFAULT_CLONE_MODE

    if vm_info['clonemode'] in mode_map:
        return mode_map[vm_info['clonemode']]
    else:
        raise SaltCloudSystemExit(
            "Illegal clonemode for virtualbox profile.  Legal values are: {}".format(','.join(mode_map.keys()))
        )