func get()

in sharedlibraries/gce/metadataserver/metadataserver.go [150:183]
34 lines of code
9 McCabe index (conditional complexity)

func get(uri, queryString string) ([]byte, error) {
	metadataURL, err := url.Parse(metadataServerURL)
	if err != nil {
		return nil, fmt.Errorf("failed to parse metadata server url: %v, %s", err, helpString)
	}
	metadataURL.RawQuery = queryString
	reqURL := metadataURL.JoinPath(uri).String()
	req, err := http.NewRequest("GET", reqURL, nil)
	if err != nil {
		return nil, fmt.Errorf("failed to make request to metadata server: %v, %s", err, helpString)
	}
	req.Header.Add("Metadata-Flavor", "Google")
	client := &http.Client{Timeout: 2 * time.Second}
	res, err := client.Do(req)
	if err != nil {
		return nil, fmt.Errorf("failed to receive response from metadata server: %v, %s", err, helpString)
	}
	defer res.Body.Close()
	if !isStatusSuccess(res.StatusCode) {
		if uri == upcomingMaintenanceURI && res.StatusCode == 503 {
			body, errIO := io.ReadAll(res.Body)
			if errIO != nil {
				return nil, fmt.Errorf("failed to read response body from metadata server: %v", err)
			}
			return body, nil
		}
		return nil, fmt.Errorf("unsuccessful response from metadata server: %s, %s", res.Status, helpString)
	}
	body, err := io.ReadAll(res.Body)
	if err != nil {
		return nil, fmt.Errorf("failed to read response body from metadata server: %v", err)
	}
	return body, nil
}