mirror of
https://github.com/wahyd4/cert-manager.git
synced 2026-08-11 22:28:57 +10:00
120 lines
3.3 KiB
Go
120 lines
3.3 KiB
Go
/*
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Copyright 2019 The Jetstack cert-manager contributors.
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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 issuers
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import (
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"context"
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corev1 "k8s.io/api/core/v1"
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k8sErrors "k8s.io/apimachinery/pkg/api/errors"
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corelisters "k8s.io/client-go/listers/core/v1"
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"k8s.io/client-go/tools/cache"
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cmlisters "github.com/jetstack/cert-manager/pkg/client/listers/certmanager/v1alpha1"
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controllerpkg "github.com/jetstack/cert-manager/pkg/controller"
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"github.com/jetstack/cert-manager/pkg/issuer"
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logf "github.com/jetstack/cert-manager/pkg/logs"
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)
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type Controller struct {
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*controllerpkg.BaseController
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issuerFactory issuer.IssuerFactory
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issuerLister cmlisters.IssuerLister
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secretLister corelisters.SecretLister
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}
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func New(ctx *controllerpkg.Context) *Controller {
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ctrl := &Controller{}
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bctrl := controllerpkg.New(ctx, ControllerName, ctrl.processNextWorkItem)
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issuerInformer := ctx.SharedInformerFactory.Certmanager().V1alpha1().Issuers()
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bctrl.AddQueuing(controllerpkg.DefaultItemBasedRateLimiter(), "issuers", issuerInformer.Informer())
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ctrl.issuerLister = issuerInformer.Lister()
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secretsInformer := ctx.KubeSharedInformerFactory.Core().V1().Secrets()
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bctrl.AddHandled(secretsInformer.Informer(), &controllerpkg.BlockingEventHandler{WorkFunc: ctrl.secretDeleted})
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ctrl.secretLister = secretsInformer.Lister()
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ctrl.BaseController = bctrl
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ctrl.issuerFactory = issuer.NewIssuerFactory(ctx)
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return ctrl
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}
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// TODO: replace with generic handleObjet function (like Navigator)
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func (c *Controller) secretDeleted(obj interface{}) {
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log := logf.FromContext(c.BaseController.Ctx)
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var secret *corev1.Secret
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var ok bool
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secret, ok = obj.(*corev1.Secret)
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if !ok {
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log.Error(nil, "object was not a secret object")
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return
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}
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log = logf.WithResource(log, secret)
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issuers, err := c.issuersForSecret(secret)
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if err != nil {
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log.Error(err, "error looking up issuers observing secret")
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return
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}
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for _, iss := range issuers {
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key, err := keyFunc(iss)
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if err != nil {
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log.Error(err, "error computing key for resource")
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continue
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}
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c.BaseController.Queue.AddRateLimited(key)
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}
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}
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func (c *Controller) processNextWorkItem(ctx context.Context, key string) error {
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log := logf.FromContext(ctx)
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namespace, name, err := cache.SplitMetaNamespaceKey(key)
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if err != nil {
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log.Error(err, "invalid resource key")
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return nil
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}
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issuer, err := c.issuerLister.Issuers(namespace).Get(name)
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if err != nil {
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if k8sErrors.IsNotFound(err) {
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log.Error(err, "issuer in work queue no longer exists")
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return nil
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}
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return err
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}
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ctx = logf.NewContext(ctx, logf.WithResource(log, issuer))
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return c.Sync(ctx, issuer)
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}
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var keyFunc = controllerpkg.KeyFunc
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const (
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ControllerName = "issuers"
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)
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func init() {
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controllerpkg.Register(ControllerName, func(ctx *controllerpkg.Context) (controllerpkg.Interface, error) {
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return New(ctx).BaseController.Run, nil
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})
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}
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