code: func awsHandlerLogger(req *request.Request) {
  	service := req.ClientInfo.ServiceName
  
  	name := "?"
  	if req.Operation != nil {
  		name = req.Operation.Name
  	}
  
  	glog.V(4).Infof("AWS request: %s %s", service, name)
  }
docs: // Handler for aws-sdk-go that logs all requests