CODEWITHSUNDEEP
gokuberneteskubernetes-custom-resourcescontroller-runtime
guettli
guettli

Reputation: 27025

controller runtime: GrandPa, Son, GrandSon and setting OwnerReferences

I write a Kubernetes controller with controller-runtime.

Imagine there are three CRDs: GrandPa, Son, and GrandSon. Each has its own controller in a separate deployment.

I am writing the GrandPa controller. When the user creates a GrandPa object, my controller creates a Son object and uses SetControllerReference(grandpa, son).

The Son controller detects the new Son object, creates a GrandSon object, and uses SetControllerReference(son, grandson).

My GrandPa controller needs its Reconcile() function to be triggered when a GrandSon object changes.

Afaik .Owns() does not work for GrandPa watching GrandSon because the ownership chain is indirect (GrandPa -> Son -> GrandSon).

I can only change the source code of GrandPa controller.

How to get Reconcile() of GrandPa get triggered when GrandSon changes?

Upvotes: -7

Views: 59

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