mirror of https://github.com/knative/caching.git
85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
/*
|
|
Copyright 2019 The Knative Authors
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package defaulting
|
|
|
|
import (
|
|
"context"
|
|
|
|
// Injection stuff
|
|
kubeclient "knative.dev/pkg/client/injection/kube/client"
|
|
mwhinformer "knative.dev/pkg/client/injection/kube/informers/admissionregistration/v1beta1/mutatingwebhookconfiguration"
|
|
secretinformer "knative.dev/pkg/injection/clients/namespacedkube/informers/core/v1/secret"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
"k8s.io/client-go/tools/cache"
|
|
"knative.dev/pkg/controller"
|
|
"knative.dev/pkg/logging"
|
|
"knative.dev/pkg/system"
|
|
"knative.dev/pkg/webhook"
|
|
"knative.dev/pkg/webhook/resourcesemantics"
|
|
)
|
|
|
|
// NewAdmissionController constructs a reconciler
|
|
func NewAdmissionController(
|
|
ctx context.Context,
|
|
name, path string,
|
|
handlers map[schema.GroupVersionKind]resourcesemantics.GenericCRD,
|
|
wc func(context.Context) context.Context,
|
|
disallowUnknownFields bool,
|
|
) *controller.Impl {
|
|
|
|
client := kubeclient.Get(ctx)
|
|
mwhInformer := mwhinformer.Get(ctx)
|
|
secretInformer := secretinformer.Get(ctx)
|
|
options := webhook.GetOptions(ctx)
|
|
|
|
wh := &reconciler{
|
|
name: name,
|
|
path: path,
|
|
handlers: handlers,
|
|
|
|
withContext: wc,
|
|
disallowUnknownFields: disallowUnknownFields,
|
|
secretName: options.SecretName,
|
|
|
|
client: client,
|
|
mwhlister: mwhInformer.Lister(),
|
|
secretlister: secretInformer.Lister(),
|
|
}
|
|
|
|
logger := logging.FromContext(ctx)
|
|
c := controller.NewImpl(wh, logger, "ConfigMapWebhook")
|
|
|
|
// Reconcile when the named MutatingWebhookConfiguration changes.
|
|
mwhInformer.Informer().AddEventHandler(cache.FilteringResourceEventHandler{
|
|
FilterFunc: controller.FilterWithName(name),
|
|
// It doesn't matter what we enqueue because we will always Reconcile
|
|
// the named MWH resource.
|
|
Handler: controller.HandleAll(c.Enqueue),
|
|
})
|
|
|
|
// Reconcile when the cert bundle changes.
|
|
secretInformer.Informer().AddEventHandler(cache.FilteringResourceEventHandler{
|
|
FilterFunc: controller.FilterWithNameAndNamespace(system.Namespace(), wh.secretName),
|
|
// It doesn't matter what we enqueue because we will always Reconcile
|
|
// the named MWH resource.
|
|
Handler: controller.HandleAll(c.Enqueue),
|
|
})
|
|
|
|
return c
|
|
}
|