def get_subnetid(vm_):
    '''
    Returns the SubnetId to use
    '''
    subnetid = config.get_cloud_config_value(
        'subnetid', vm_, __opts__, search_global=False
    )
    if subnetid:
        return subnetid

    subnetname = config.get_cloud_config_value(
        'subnetname', vm_, __opts__, search_global=False
    )
    if subnetname:
        return _get_subnetname_id(subnetname)
    return None
Returns the SubnetId to use