func BuildListEntitiesForMetricRequest()

in util/common/metrics.go [371:408]

27 lines of code
5 McCabe index (conditional complexity)


func BuildListEntitiesForMetricRequest(body []byte, region string) (*http.Request, error) {
	cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion(region))
	if err != nil {
		return nil, err
	}
	signer := v4.NewSigner()
	h := sha256.New()

	h.Write(body)
	payloadHash := hex.EncodeToString(h.Sum(nil))

	// build the request
	req, err := http.NewRequest("POST", "https://monitoring."+region+".amazonaws.com/", bytes.NewReader(body))
	if err != nil {
		return nil, err
	}

	// set headers
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("X-Amz-Target", "com.amazonaws.cloudwatch.v2013_01_16.CloudWatchVersion20130116.ListEntitiesForMetric")
	req.Header.Set("Content-Encoding", "amz-1.0")

	// set creds
	credentials, err := cfg.Credentials.Retrieve(context.TODO())
	if err != nil {
		return nil, err
	}

	req.Header.Set("x-amz-security-token", credentials.SessionToken)

	// sign the request
	err = signer.SignHTTP(context.TODO(), credentials, req, payloadHash, "monitoring", region, time.Now())
	if err != nil {
		return nil, err
	}

	return req, nil
}