configGen := core.NewConfigGenerator(s.XDSServer.Cache)

	grpcprom.EnableHandlingTimeHistogram()

	// make sure we have a readiness probe before serving HTTP to avoid marking ready too soon
	s.initReadinessProbes()

	s.initServers(args)
	if err := s.initIstiodAdminServer(args, s.webhookInfo.GetTemplates); err != nil {
		return nil, fmt.Errorf("error initializing debug server: %v", err)
	}