}
}

func (s *Server) RotateDNSCertForK8sCA(stop <-chan struct{},
	defaultCACertPath string,
	signerName string,
	approveCsr bool,
	requestedLifetime time.Duration,
) {
	certUtil := certutil.NewCertUtil(int(defaultCertGracePeriodRatio * 100))
	for {
		waitTime, _ := certUtil.GetWaitTime(s.istiodCertBundleWatcher.GetKeyCertBundle().CertPem, time.Now())
		if !sleep.Until(stop, waitTime) {
			return
		}