Using json.RawMessage

pods.go

// Remove deletes a Pod from local storage. The optional force parameter denotes
// that the Pod can be removed even if in a running state.
func Remove(ctx context.Context, nameOrID string, options *RemoveOptions) (*entities.PodRmReport, error) {
	conn, err := bindings.GetClient(ctx)
	if err != nil {
		return nil, err
	}

	var params url.Values
	if options != nil {
		var err error
		if params, err = options.ToParams(); err != nil {
			return nil, err
		}
	}

	response, err := conn.DoRequest(ctx, nil, http.MethodDelete, "/pods/%s", params, nil, nameOrID)
	if err != nil {
		return nil, err
	}
	defer response.Body.Close()

	var report entities.PodRmReport
	if response.IsSuccess() || response.IsRedirection() {
		body := struct {
			Id  string
			Err *json.RawMessage
		}{}

		data, _ := io.ReadAll(response.Body)
		_ = json.Unmarshal(data, &body)
		if body.Err != nil {
			var msg string
			_ = json.Unmarshal(*body.Err, &msg)
			report.Err = errors.New(msg)
		}
		return &report, nil
	}

	// fallthrough to process StatusCode >= 400
	return &report, response.Process(&report)
}