return s.addHealthChecks(s.livezGracePeriod, checks...)
}

// addHealthChecks adds health checks to healthz, livez, and readyz. The delay passed in will set
// a corresponding grace period on livez.
func (s *GenericAPIServer) addHealthChecks(livezGracePeriod time.Duration, checks ...healthz.HealthChecker) error {
	if err := s.healthzRegistry.addHealthChecks(checks...); err != nil {
		return err
	}

	// always reported
	DiscoveryAddresses discovery.Addresses
	// The default set of healthz checks. There might be more added via AddHealthChecks dynamically.
	HealthzChecks []healthz.HealthChecker
	// The default set of livez checks. There might be more added via AddHealthChecks dynamically.
	LivezChecks []healthz.HealthChecker
	// The default set of readyz-only checks. There might be more added via AddReadyzChecks dynamically.

}

func (s *EtcdOptions) addEtcdHealthEndpoint(c *server.Config) error {
	healthCheck, err := storagefactory.CreateHealthCheck(s.StorageConfig, c.DrainedNotify())
	if err != nil {
		return err
	}
	c.AddHealthChecks(healthz.NamedCheck("etcd", func(r *http.Request) error {
		return healthCheck()
	}))

	readyCheck, err := storagefactory.CreateReadyCheck(s.StorageConfig, c.DrainedNotify())
	if err != nil {
		return err
	}