// postWithRetry calls post() and retries on HTTP failure
// (response code != 200).
func postWithRetry(hc *http.Client, url string, form url.Values) ([]byte, uint, int, error) {
backoff := lib.Backoff{}
for {
responseBody, gcpErrorCode, httpStatusCode, err := post(hc, url, form)
if responseBody != nil && httpStatusCode == http.StatusOK {
return responseBody, gcpErrorCode, httpStatusCode, err
}
p, retryAgain := backoff.Pause()
if !retryAgain {
log.Debugf("HTTP error %s, retry timeout hit", err, p)
return responseBody, gcpErrorCode, httpStatusCode, err
}
log.Debugf("HTTP error %s, retrying after %s", err, p)
time.Sleep(p)
}
}
// getWithRetry calls get() and retries on HTTP failure
// (response code != 200).
func getWithRetry(hc *http.Client, url string) (*http.Response, error) {
backoff := lib.Backoff{}
for {
response, err := get(hc, url)
if response != nil && response.StatusCode == http.StatusOK {
return response, err
}
p, retryAgain := backoff.Pause()
if !retryAgain {
log.Debugf("HTTP error %s, retry timeout hit", err, p)
return response, err
}
log.Debugf("HTTP error %s, retrying after %s", err, p)
time.Sleep(p)
}
}
func postWithRetry(url string, data url.Values) (*http.Response, error) {
backoff := lib.Backoff{}
for {
response, err := http.PostForm(url, data)
if err == nil {
return response, err
}
fmt.Printf("POST to %s failed with error: %s\n", url, err)
p, retryAgain := backoff.Pause()
if !retryAgain {
return response, err
}
fmt.Printf("retrying POST to %s in %s\n", url, p)
time.Sleep(p)
}
}