only read
    :param request:
    :return:

async def registry_dump_handle(request):
    '''
    only read
    :param request:
    :return:
    '''
    registry = registry_dump_handle.registry
    response_dict = {}
    repo = registry._repository
    response_dict['registered_services'] = repo._registered_services
    response_dict['uptimes'] = repo._uptimes
    response_dict['service_dependencies'] = repo._service_dependencies
    return web.Response(status=400, content_type='application/json', body=json.dumps(response_dict).encode())