INNER CODE UNIT · Go

getALBSourceIP

akrylysov/algnhsa · alb.go:25

func getALBSourceIP(event events.ALBTargetGroupRequest) string {
	if xff, ok := event.MultiValueHeaders["x-forwarded-for"]; ok && len(xff) > 0 {
		ips := strings.SplitN(xff[0], ",", 2)
		if len(ips) > 0 {
			return ips[0]
		}
	}
	return ""
}

func newALBRequest(ctx context.Context, payload []byte, opts *Options) (lambdaRequest, error) {
	var event events.ALBTargetGroupRequest
	if err := json.Unmarshal(payload, &event); err != nil {
		return lambdaRequest{}, err
	}
	if event.RequestContext.ELB.TargetGroupArn == "" {
		return lambdaRequest{}, errALBUnexpectedRequest
	}

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