// This should be called before exiting.
func (s *Server) WaitUntilCompletion() {
	s.server.Wait()
}

// initSDSServer starts the SDS server
func (s *Server) initSDSServer() {
	if s.kubeClient == nil {
		return
	}
	if !features.EnableXDSIdentityCheck {
		// Make sure we have security