Use SharedIndexInformer with CustomResource

Hello,

I wrote the watching for CustomResource. At first, I used Watcher, but I got the error “Kubernetes too old resource version”. Then, I referred this thread https://stackoverflow.com/questions/61409596/kubernetes-too-old-resource-version to use SharedIndexInformer, but the method sharedIndexInformerForCustomResource() is deprecated in openshift-client 5.9.0. Can anyone show me an example to watching CustomResource event?

SharedInformerFactory sharedInformerFactory = openShiftClient.informers();
SharedIndexInformer<GenericKubernetesResource> podInformer = sharedInformerFactory.sharedIndexInformerForCustomResource(context, 30 * 1000L);
...

Thanks,

[shawkins]

it doesn’t look like he is using any POJO for his custom resource

Sorry, I should have included:

client.genericKubernetesResources(context)…inform

Why was this method marked Deprecated?

We don’t want to expose the OperationContext for direct usage. It also gets confusing in terms of keeping track of existing informers.

[nautiam]

I used SharedInformer in order to update events happening to my resource after a certain interval of time. But it always get the status of all resources, I just want to see the status of changed resources since the last time. For example, if a resource is deleted or added, it will be shown, but if it unchanged in the interval, it will be skipped. Is there anyway to do it?

The answer is set resync to 0L. Thanks @rohanKanojia for your help.

kubernetesClient.genericKubernetesResources(context).inNamespace("default").inform(new ResourceEventHandler<GenericKubernetesResource>() {
                @Override
                public void onAdd(GenericKubernetesResource genericKubernetesResource) {

                }

                @Override
                public void onUpdate(GenericKubernetesResource genericKubernetesResource, GenericKubernetesResource t1) {

                }

                @Override
                public void onDelete(GenericKubernetesResource genericKubernetesResource, boolean b) {

                }
            }, 0);