Ejemplo n.º 1
0
// WithExponentialBackoff will retry webhookFn() up to 5 times with exponentially increasing backoff when
// it returns an error for which apierrors.SuggestsClientDelay() or apierrors.IsInternalError() returns true.
func (g *GenericWebhook) WithExponentialBackoff(webhookFn func() restclient.Result) restclient.Result {
	var result restclient.Result
	WithExponentialBackoff(g.initialBackoff, func() error {
		result = webhookFn()
		return result.Error()
	})
	return result
}
Ejemplo n.º 2
0
// WithExponentialBackoff will retry webhookFn 5 times w/ exponentially
// increasing backoff when a 429 or a 5xx response code is returned.
func (g *GenericWebhook) WithExponentialBackoff(webhookFn func() restclient.Result) restclient.Result {
	backoff := wait.Backoff{
		Duration: g.initialBackoff,
		Factor:   1.5,
		Jitter:   0.2,
		Steps:    5,
	}
	var result restclient.Result
	wait.ExponentialBackoff(backoff, func() (bool, error) {
		result = webhookFn()
		// Return from Request.Do() errors immediately.
		if err := result.Error(); err != nil {
			return false, err
		}
		// Retry 429s, and 5xxs.
		var statusCode int
		if result.StatusCode(&statusCode); statusCode == 429 || statusCode >= 500 {
			return false, nil
		}
		return true, nil
	})
	return result
}