func()

in lambda/rapi/rendering/rendering.go [189:225]

• 31 lines of code
• 7 McCabe index (conditional complexity)

func (s *InvokeRenderer) RenderRuntimeEvent(writer http.ResponseWriter, request *http.Request) error {
	invoke := s.invoke
	customerTraceID := s.tracingHeaderParser(s.ctx)

	cognitoIdentityJSON := ""
	if len(invoke.CognitoIdentityID) != 0 || len(invoke.CognitoIdentityPoolID) != 0 {
		cognitoJSON, err := json.Marshal(model.CognitoIdentity{
			CognitoIdentityID:     invoke.CognitoIdentityID,
			CognitoIdentityPoolID: invoke.CognitoIdentityPoolID,
		})
		if err != nil {
			return err
		}

		cognitoIdentityJSON = string(cognitoJSON)
	}

	var deadlineHeader string
	if t, err := strconv.ParseInt(invoke.DeadlineNs, 10, 64); err == nil {
		deadlineHeader = strconv.FormatInt(metering.MonoToEpoch(t)/int64(time.Millisecond), 10)
	} else {
		log.WithError(err).Warn("Failed to compute deadline header")
	}

	renderInvokeHeaders(writer, invoke.ID, customerTraceID, invoke.ClientContext,
		cognitoIdentityJSON, invoke.InvokedFunctionArn, deadlineHeader, invoke.ContentType)

	if invoke.Payload != nil {
		if err := s.bufferInvokeRequest(); err != nil {
			return err
		}
		_, err := writer.Write(s.requestBuffer.Bytes())
		return err
	}

	return nil
}