async def upload_file(ns={}):
    debug('ns: %s' % ns)

    file_name = ns.get('file_data')
    if not file_name:
        return {
            'status': False,
            'msg': 'file_data不能为空'
        }
    domain_name = ns.get('domain_name')
    if not domain_name:
        return {
            'status': False,
            'msg': 'domain_name不能为空'
        }
    if 'localhost' in domain_name:
        domain_name = 'dev.opencomputing.cn'
    
    save_url = 'https://%s/idfile?path=%s' % (domain_name, file_name)

    try:
        return {
            'status': True,
            'msg': 'upload success',
            'data': {
                'save_url': save_url
            }
        }
    except Exception as e:
        return {
            'status': False,
            'msg': '文件保存失败, %s' % str(e)
        }

ret = await upload_file(params_kw)
return ret