func()

in pkg/providers/ingress/translation/annotations/upstream/upstream.go [38:89]

• 47 lines of code
• 12 McCabe index (conditional complexity)

func (u *Upstream) Parse(e annotations.Extractor) (interface{}, error) {
	scheme := strings.ToLower(e.GetStringAnnotation(annotations.AnnotationsUpstreamScheme))
	if scheme != "" {
		_, ok := apisixv1.ValidSchemes[scheme]
		if !ok {
			keys := make([]string, 0, len(apisixv1.ValidSchemes))
			for key := range apisixv1.ValidSchemes {
				keys = append(keys, key)
			}
			return nil, fmt.Errorf("scheme %s is not supported, Only { %s } are supported", scheme, strings.Join(keys, ", "))
		}
		u.Scheme = scheme
	}

	retry := e.GetStringAnnotation(annotations.AnnotationsUpstreamRetry)
	if retry != "" {
		t, err := strconv.Atoi(retry)
		if err != nil {
			return nil, fmt.Errorf("could not parse retry as an integer: %s", err.Error())
		}
		u.Retry = t
	}

	timeoutConnect := strings.TrimSuffix(e.GetStringAnnotation(annotations.AnnotationsUpstreamTimeoutConnect), "s")
	if timeoutConnect != "" {
		t, err := strconv.Atoi(timeoutConnect)
		if err != nil {
			return nil, fmt.Errorf("could not parse timeout as an integer: %s", err.Error())
		}
		u.TimeoutConnect = t
	}

	timeoutRead := strings.TrimSuffix(e.GetStringAnnotation(annotations.AnnotationsUpstreamTimeoutRead), "s")
	if timeoutRead != "" {
		t, err := strconv.Atoi(timeoutRead)
		if err != nil {
			return nil, fmt.Errorf("could not parse timeout as an integer: %s", err.Error())
		}
		u.TimeoutRead = t
	}

	timeoutSend := strings.TrimSuffix(e.GetStringAnnotation(annotations.AnnotationsUpstreamTimeoutSend), "s")
	if timeoutSend != "" {
		t, err := strconv.Atoi(timeoutSend)
		if err != nil {
			return nil, fmt.Errorf("could not parse timeout as an integer: %s", err.Error())
		}
		u.TimeoutSend = t
	}

	return *u, nil
}