func()

in lambda/runtime_api_client.go [113:146]

• 30 lines of code
• 8 McCabe index (conditional complexity)

func (c *runtimeAPIClient) post(url string, body io.Reader, contentType string, xrayErrorCause []byte) error {
	b := newErrorCapturingReader(body)
	req, err := http.NewRequest(http.MethodPost, url, b)
	if err != nil {
		return fmt.Errorf("failed to construct POST request to %s: %v", url, err)
	}
	req.Trailer = b.Trailer
	req.Header.Set("User-Agent", c.userAgent)
	req.Header.Set("Content-Type", contentType)

	if xrayErrorCause != nil && len(xrayErrorCause) < xrayErrorCauseMaxSize {
		req.Header.Set(headerXRayErrorCause, string(xrayErrorCause))
	}

	resp, err := c.httpClient.Do(req)
	if err != nil {
		return fmt.Errorf("failed to POST to %s: %v", url, err)
	}
	defer func() {
		if err := resp.Body.Close(); err != nil {
			log.Printf("runtime API client failed to close %s response body: %v", url, err)
		}
	}()
	if resp.StatusCode != http.StatusAccepted {
		return fmt.Errorf("failed to POST to %s: got unexpected status code: %d", url, resp.StatusCode)
	}

	_, err = io.Copy(ioutil.Discard, resp.Body)
	if err != nil {
		return fmt.Errorf("something went wrong reading the POST response from %s: %v", url, err)
	}

	return nil
}