_, err := controller.New("pod-controller", mgr, controller.Options{

Reconciler: reconcile.Func(func(context.Context, reconcile.Request) (reconcile.Result, error) {

// Your business logic to implement the API by creating, updating, deleting objects goes here.

return reconcile.Result{}, nil

}),

})

if err != nil {

log.Error(err, "unable to create pod-controller")

os.Exit(1)

}

// mgr is a manager.Manager

// Create a new Controller that will call the provided Reconciler function in response

// to events.

c, err := controller.New("pod-controller", mgr, controller.Options{

Reconciler: reconcile.Func(func(context.Context, reconcile.Request) (reconcile.Result, error) {

// Your business logic to implement the API by creating, updating, deleting objects goes here.

return reconcile.Result{}, nil

}),

})

if err != nil {

log.Error(err, "unable to create pod-controller")

os.Exit(1)

}

// Watch for Pod create / update / delete events and call Reconcile

err = c.Watch(source.Kind(mgr.GetCache(), &corev1.Pod{}, &handler.TypedEnqueueRequestForObject[*corev1.Pod]{}))

if err != nil {

log.Error(err, "unable to watch pods")

os.Exit(1)

}

// Start the Controller through the manager.

if err := mgr.Start(signals.SetupSignalHandler()); err != nil {

log.Error(err, "unable to continue running manager")

os.Exit(1)

}

// mgr is a manager.Manager

// Create a new Controller that will call the provided Reconciler function in response

// to events.

c, err := controller.New("pod-controller", mgr, controller.Options{

Reconciler: reconcile.Func(func(context.Context, reconcile.Request) (reconcile.Result, error) {

// Your business logic to implement the API by creating, updating, deleting objects goes here.

return reconcile.Result{}, nil

}),

})

if err != nil {

log.Error(err, "unable to create pod-controller")

os.Exit(1)

}

u := &unstructured.Unstructured{}

u.SetGroupVersionKind(schema.GroupVersionKind{

Kind: "Pod",

Group: "",

Version: "v1",

})

// Watch for Pod create / update / delete events and call Reconcile

err = c.Watch(source.Kind(mgr.GetCache(), u, &handler.TypedEnqueueRequestForObject[*unstructured.Unstructured]{}))

if err != nil {

log.Error(err, "unable to watch pods")

os.Exit(1)

}

// Start the Controller through the manager.

if err := mgr.Start(signals.SetupSignalHandler()); err != nil {

log.Error(err, "unable to continue running manager")

os.Exit(1)

}

// mgr is a manager.Manager

// Configure creates a new controller but does not add it to the supplied

// manager.

c, err := controller.NewUnmanaged("pod-controller", mgr, controller.Options{

Reconciler: reconcile.Func(func(context.Context, reconcile.Request) (reconcile.Result, error) {

return reconcile.Result{}, nil

}),

})

if err != nil {

log.Error(err, "unable to create pod-controller")

os.Exit(1)

}

if err := c.Watch(source.Kind(mgr.GetCache(), &corev1.Pod{}, &handler.TypedEnqueueRequestForObject[*corev1.Pod]{})); err != nil {

log.Error(err, "unable to watch pods")

os.Exit(1)

}

ctx, cancel := context.WithCancel(context.Background())

// Start our controller in a goroutine so that we do not block.

go func() {

// Block until our controller manager is elected leader. We presume our

// entire process will terminate if we lose leadership, so we don't need

// to handle that.

<-mgr.Elected()

// Start our controller. This will block until the context is

// closed, or the controller returns an error.

if err := c.Start(ctx); err != nil {

log.Error(err, "cannot run experiment controller")

}

}()

// Stop our controller.

cancel()