103 lines
3.4 KiB
Go
103 lines
3.4 KiB
Go
/*
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Copyright 2024 The Kubeflow authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mutatingwebhookconfiguration
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import (
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"context"
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admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/util/workqueue"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/event"
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"sigs.k8s.io/controller-runtime/pkg/handler"
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)
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// EventHandler handles MutatingWebhookConfiguration events.
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type EventHandler struct{}
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var _ handler.EventHandler = &EventHandler{}
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// NewEventHandler creates a new MutatingWebhookConfigurationEventHandler instance.
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func NewEventHandler() *EventHandler {
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return &EventHandler{}
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}
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// Create implements handler.EventHandler.
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func (h *EventHandler) Create(ctx context.Context, event event.CreateEvent, queue workqueue.TypedRateLimitingInterface[ctrl.Request]) {
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mwc, ok := event.Object.(*admissionregistrationv1.MutatingWebhookConfiguration)
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if !ok {
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return
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}
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logger.Info("MutatingWebhookConfiguration created", "name", mwc.Name)
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key := types.NamespacedName{
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Namespace: mwc.Namespace,
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Name: mwc.Name,
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}
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queue.AddRateLimited(ctrl.Request{NamespacedName: key})
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}
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// Update implements handler.EventHandler.
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func (h *EventHandler) Update(ctx context.Context, event event.UpdateEvent, queue workqueue.TypedRateLimitingInterface[ctrl.Request]) {
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oldWebhook, ok := event.ObjectOld.(*admissionregistrationv1.MutatingWebhookConfiguration)
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if !ok {
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return
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}
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newWebhook, ok := event.ObjectNew.(*admissionregistrationv1.MutatingWebhookConfiguration)
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if !ok {
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return
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}
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if newWebhook.ResourceVersion == oldWebhook.ResourceVersion {
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return
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}
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logger.Info("MutatingWebhookConfiguration updated", "name", newWebhook.Name, "namespace", newWebhook.Namespace)
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key := types.NamespacedName{
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Namespace: newWebhook.Namespace,
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Name: newWebhook.Name,
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}
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queue.AddRateLimited(ctrl.Request{NamespacedName: key})
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}
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// Delete implements handler.EventHandler.
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func (h *EventHandler) Delete(ctx context.Context, event event.DeleteEvent, queue workqueue.TypedRateLimitingInterface[ctrl.Request]) {
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mwc, ok := event.Object.(*admissionregistrationv1.MutatingWebhookConfiguration)
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if !ok {
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return
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}
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logger.Info("MutatingWebhookConfiguration deleted", "name", mwc.Name, "namespace", mwc.Namespace)
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key := types.NamespacedName{
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Namespace: mwc.Namespace,
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Name: mwc.Name,
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}
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queue.AddRateLimited(ctrl.Request{NamespacedName: key})
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}
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// Generic implements handler.EventHandler.
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func (h *EventHandler) Generic(ctx context.Context, event event.GenericEvent, queue workqueue.TypedRateLimitingInterface[ctrl.Request]) {
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mwc, ok := event.Object.(*admissionregistrationv1.MutatingWebhookConfiguration)
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if !ok {
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return
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}
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logger.Info("MutatingWebhookConfiguration generic event", "name", mwc.Name, "namespace", mwc.Namespace)
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key := types.NamespacedName{
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Namespace: mwc.Namespace,
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Name: mwc.Name,
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}
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queue.AddRateLimited(ctrl.Request{NamespacedName: key})
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}
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