func main()

in main.go [47:108]
50 lines of code
7 McCabe index (conditional complexity)

func main() {
	var (
		metricsAddr          string
		enableLeaderElection bool
		probeAddr            string
	)

	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
	flag.BoolVar(&enableLeaderElection, "leader-elect", helper.RunningInCluster(),
		"Enable leader election for controller manager. "+
			"Enabling this will ensure there is only one active controller manager.")

	mode, err := helper.GetDebugMode()
	if err != nil {
		setupLog.Error(err, "unable to get debug mode value")
		os.Exit(1)
	}

	opts := zap.Options{
		Development: mode,
	}
	opts.BindFlags(flag.CommandLine)
	flag.Parse()

	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))

	logBuildInfo(setupLog)

	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
	utilruntime.Must(gerritApi.AddToScheme(scheme))
	utilruntime.Must(keycloakApi.AddToScheme(scheme))

	mgr, err := initManager(metricsAddr, probeAddr, enableLeaderElection)
	if err != nil {
		setupLog.Error(err, "unable to init manager")
		os.Exit(1)
	}

	if err = initControllers(mgr, ctrl.Log.WithName("controllers")); err != nil {
		setupLog.Error(err, "error during controllers init")
		os.Exit(1)
	}

	if err = mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
		setupLog.Error(err, "unable to set up health check")
		os.Exit(1)
	}

	if err = mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
		setupLog.Error(err, "unable to set up ready check")
		os.Exit(1)
	}

	setupLog.Info("starting manager")

	err = mgr.Start(ctrl.SetupSignalHandler())
	if err != nil {
		setupLog.Error(err, "problem running manager")
		os.Exit(1)
	}
}