fix review findings

Author: sbueringer

pkg/builder/webhook.go

@@ -85,8 +85,8 @@ func (blder *WebhookBuilder) WithLogConstructor(logConstructor func(base logr.Lo
 
 // RecoverPanic indicates whether panics caused by the webhook should be recovered.
 // Defaults to true.
-func (blder *WebhookBuilder) RecoverPanic(recoverPanic *bool) *WebhookBuilder {
-	blder.recoverPanic = recoverPanic
+func (blder *WebhookBuilder) RecoverPanic(recoverPanic bool) *WebhookBuilder {
+	blder.recoverPanic = &recoverPanic
 	return blder
 }
 
@@ -170,10 +170,18 @@ func (blder *WebhookBuilder) registerDefaultingWebhook() {
 
 func (blder *WebhookBuilder) getDefaultingWebhook() *admission.Webhook {
 	if defaulter := blder.customDefaulter; defaulter != nil {
-		return admission.WithCustomDefaulter(blder.mgr.GetScheme(), blder.apiType, defaulter).WithRecoverPanic(blder.recoverPanic)
+		w := admission.WithCustomDefaulter(blder.mgr.GetScheme(), blder.apiType, defaulter)
+		if blder.recoverPanic != nil {
+			w = w.WithRecoverPanic(*blder.recoverPanic)
+		}
+		return w
 	}
 	if defaulter, ok := blder.apiType.(admission.Defaulter); ok {
-		return admission.DefaultingWebhookFor(blder.mgr.GetScheme(), defaulter).WithRecoverPanic(blder.recoverPanic)
+		w := admission.DefaultingWebhookFor(blder.mgr.GetScheme(), defaulter)
+		if blder.recoverPanic != nil {
+			w = w.WithRecoverPanic(*blder.recoverPanic)
+		}
+		return w
 	}
 	log.Info(
 		"skip registering a mutating webhook, object does not implement admission.Defaulter or WithDefaulter wasn't called",
@@ -201,10 +209,18 @@ func (blder *WebhookBuilder) registerValidatingWebhook() {
 
 func (blder *WebhookBuilder) getValidatingWebhook() *admission.Webhook {
 	if validator := blder.customValidator; validator != nil {
-		return admission.WithCustomValidator(blder.mgr.GetScheme(), blder.apiType, validator).WithRecoverPanic(blder.recoverPanic)
+		w := admission.WithCustomValidator(blder.mgr.GetScheme(), blder.apiType, validator)
+		if blder.recoverPanic != nil {
+			w = w.WithRecoverPanic(*blder.recoverPanic)
+		}
+		return w
 	}
 	if validator, ok := blder.apiType.(admission.Validator); ok {
-		return admission.ValidatingWebhookFor(blder.mgr.GetScheme(), validator).WithRecoverPanic(blder.recoverPanic)
+		w := admission.ValidatingWebhookFor(blder.mgr.GetScheme(), validator)
+		if blder.recoverPanic != nil {
+			w = w.WithRecoverPanic(*blder.recoverPanic)
+		}
+		return w
 	}
 	log.Info(
 		"skip registering a validating webhook, object does not implement admission.Validator or WithValidator wasn't called",

pkg/builder/webhook_test.go

@@ -33,7 +33,6 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/utils/ptr"
 
 	logf "sigs.k8s.io/controller-runtime/pkg/log"
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"
@@ -161,7 +160,7 @@ func runTests(admissionReviewVersion string) {
 
 		err = WebhookManagedBy(m).
 			For(&TestDefaulter{Panic: true}).
-			RecoverPanic(nil). // Defaults to true.
+			// RecoverPanic defaults to true.
 			Complete()
 		ExpectWithOffset(1, err).NotTo(HaveOccurred())
 		svr := m.GetWebhookServer()
@@ -370,7 +369,7 @@ func runTests(admissionReviewVersion string) {
 
 		err = WebhookManagedBy(m).
 			For(&TestValidator{Panic: true}).
-			RecoverPanic(ptr.To[bool](true)).
+			RecoverPanic(true).
 			Complete()
 		ExpectWithOffset(1, err).NotTo(HaveOccurred())
 		svr := m.GetWebhookServer()

pkg/webhook/admission/webhook.go

@@ -144,8 +144,8 @@ type Webhook struct {
 
 // WithRecoverPanic takes a bool flag which indicates whether the panic caused by webhook should be recovered.
 // Defaults to true.
-func (wh *Webhook) WithRecoverPanic(recoverPanic *bool) *Webhook {
-	wh.RecoverPanic = recoverPanic
+func (wh *Webhook) WithRecoverPanic(recoverPanic bool) *Webhook {
+	wh.RecoverPanic = &recoverPanic
 	return wh
 }