How to use SyncPeriod for controllers

[KM3dd]

Type of question

How to implement a specific feature

Question

What did you do?

Hello, I have a specific use case where I need to build my operator in a manner that allows it to handle pod deletion immediately while pooling creation events for a certain period of time ( pods are gated once they're created with a webhook).

I tried to use SyncPeriod to achieve this, but it seems like it isn't triggering the reconcile function each $period of time, I have learned that in the later versions this option has been moved from manager.Options to manager.Options.Cache does that mean that this option refreshes the cache instead of initiating the reconciliation each period of time ? if that's the case what are the approaches that I can follow to achieve the behavior that I am looking for ( periodic reconciliation ).

Here is how I am specifying it :

mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
		Scheme: scheme,
                Cache: cache.Options{
			SyncPeriod: func() *time.Duration {
				d := 5 * time.Minute
				return &d
			}(),
		},
}

I appreciate any help with this !

What did you expect to see?

Reconcile function triggered each period of time ( 5 minutes in this case )

What did you see instead? Under which circumstances?

Reconciliation is still triggered based on events and no periodic triggering

Environment

Operator type:

/language go

Kubernetes cluster type: "vanila", one node cluster managed with kubeadm

$ operator-sdk version :

$ go version go1.23.0 linux/amd64

$ kubectl version : Client Version: v1.30.13 Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3

Additional context