mirror of https://github.com/knative/caching.git
85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
/*
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Copyright 2019 The Knative 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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http://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 validation
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import (
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"context"
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// Injection stuff
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kubeclient "knative.dev/pkg/client/injection/kube/client"
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vwhinformer "knative.dev/pkg/client/injection/kube/informers/admissionregistration/v1beta1/validatingwebhookconfiguration"
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secretinformer "knative.dev/pkg/injection/clients/namespacedkube/informers/core/v1/secret"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/tools/cache"
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"knative.dev/pkg/controller"
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"knative.dev/pkg/logging"
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"knative.dev/pkg/system"
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"knative.dev/pkg/webhook"
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"knative.dev/pkg/webhook/resourcesemantics"
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)
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// NewAdmissionController constructs a reconciler
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func NewAdmissionController(
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ctx context.Context,
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name, path string,
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handlers map[schema.GroupVersionKind]resourcesemantics.GenericCRD,
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wc func(context.Context) context.Context,
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disallowUnknownFields bool,
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) *controller.Impl {
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client := kubeclient.Get(ctx)
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vwhInformer := vwhinformer.Get(ctx)
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secretInformer := secretinformer.Get(ctx)
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options := webhook.GetOptions(ctx)
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wh := &reconciler{
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name: name,
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path: path,
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handlers: handlers,
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withContext: wc,
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disallowUnknownFields: disallowUnknownFields,
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secretName: options.SecretName,
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client: client,
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vwhlister: vwhInformer.Lister(),
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secretlister: secretInformer.Lister(),
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}
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logger := logging.FromContext(ctx)
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c := controller.NewImpl(wh, logger, "ConfigMapWebhook")
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// Reconcile when the named ValidatingWebhookConfiguration changes.
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vwhInformer.Informer().AddEventHandler(cache.FilteringResourceEventHandler{
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FilterFunc: controller.FilterWithName(name),
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// It doesn't matter what we enqueue because we will always Reconcile
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// the named VWH resource.
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Handler: controller.HandleAll(c.Enqueue),
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})
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// Reconcile when the cert bundle changes.
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secretInformer.Informer().AddEventHandler(cache.FilteringResourceEventHandler{
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FilterFunc: controller.FilterWithNameAndNamespace(system.Namespace(), wh.secretName),
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// It doesn't matter what we enqueue because we will always Reconcile
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// the named VWH resource.
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Handler: controller.HandleAll(c.Enqueue),
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})
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return c
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}
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