Avoid excessive reconciles due to status updates (#145)

controllers/githubactionrunner_controller.go

@@ -34,6 +34,8 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/controller"
 	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+	"sigs.k8s.io/controller-runtime/pkg/event"
+	"sigs.k8s.io/controller-runtime/pkg/predicate"
 	"sigs.k8s.io/controller-runtime/pkg/reconcile"
 	"strings"
 )
@@ -171,6 +173,12 @@ func (r *GithubActionRunnerReconciler) SetupWithManager(mgr ctrl.Manager) error
 		For(&garov1alpha1.GithubActionRunner{}).
 		Owns(&corev1.Pod{}).
 		WithOptions(controller.Options{MaxConcurrentReconciles: 1}).
+		WithEventFilter(predicate.Funcs{
+			// ignore updates to status: https://stuartleeks.com/posts/kubebuilder-event-filters-part-2-update/
+			UpdateFunc: func(e event.UpdateEvent) bool {
+				return e.ObjectNew.GetGeneration() != e.ObjectOld.GetGeneration()
+			},
+		}).
 		Complete(r)
 }