Explicitly set GVK for IBMPowerVSCluster object

controllers/ibmpowervscluster_controller.go

@@ -300,6 +300,17 @@ func (r *IBMPowerVSClusterReconciler) deleteIBMPowerVSImage(ctx context.Context,
 		return reconcile.Result{}, err
 	}
 
+	// since we are avoiding using cache for IBMPowerVSCluster the Type meta of the retrieved object will be empty
+	// explicitly setting here to filter children
+	if gvk := cluster.GetObjectKind().GroupVersionKind(); gvk.Empty() {
+		gvk, err := r.GroupVersionKindFor(cluster)
+		if err != nil {
+			log.Error(err, "Failed to get GVK of cluster")
+			return reconcile.Result{}, err
+		}
+		cluster.SetGroupVersionKind(gvk)
+	}
+
 	children, err := descendants.filterOwnedDescendants(cluster)
 	if err != nil {
 		log.Error(err, "Failed to extract direct descendants")

main.go

@@ -34,6 +34,7 @@ import (
 
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
+	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/webhook"
 
 	capiv1beta1 "sigs.k8s.io/cluster-api/api/v1beta1"
@@ -130,6 +131,13 @@ func main() {
 			Port:    webhookPort,
 			CertDir: webhookCertDir,
 		}),
+		Client: client.Options{
+			Cache: &client.CacheOptions{
+				DisableFor: []client.Object{
+					&infrav1beta2.IBMPowerVSCluster{},
+				},
+			},
+		},
 	})
 	if err != nil {
 		setupLog.Error(err, "unable to start manager")