func getMetadataValue()

in api/metadata.go [61:81]

• 17 lines of code
• 4 McCabe index (conditional complexity)

func getMetadataValue(ctx context.Context, c *http.Client, path string) (string, error) {
	req, err := http.NewRequest("GET", "http://"+metadataServerHost+path, nil)
	if err != nil {
		return "", fmt.Errorf("http.NewRequest: %w", err)
	}

	req.Header.Add("Metadata-Flavor", "Google")

	resp, err := c.Do(req.WithContext(ctx))
	if err != nil {
		return "", fmt.Errorf("failed to get metadata %s: %w", path, err)
	}
	defer resp.Body.Close()

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return "", fmt.Errorf("failed to read response body of %s: %w", path, err)
	}

	return string(body), nil
}