70 lines
2.5 KiB
Go
70 lines
2.5 KiB
Go
/*
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Copyright 2020 The cert-manager 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 certificates
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import (
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"github.com/go-logr/logr"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/util/workqueue"
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cmlisters "github.com/jetstack/cert-manager/pkg/client/listers/certmanager/v1"
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controllerpkg "github.com/jetstack/cert-manager/pkg/controller"
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logf "github.com/jetstack/cert-manager/pkg/logs"
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"github.com/jetstack/cert-manager/pkg/util/predicate"
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)
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// EnqueueCertificatesForResourceUsingPredicates will return a function
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// that can be used as an OnAdd handler for a SharedIndexInformer.
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// It should be used as a handler for resources that are referenced
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// in some way by Certificates.
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// The namespace of the object being processed will be used in the List
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// call when enqueuing Certificate resources.
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// If no predicate constructors are given, all Certificate resources will be
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// enqueued on every invocation.
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func EnqueueCertificatesForResourceUsingPredicates(log logr.Logger, queue workqueue.Interface, lister cmlisters.CertificateLister, selector labels.Selector, predicateBuilders ...predicate.ExtractorFunc) func(obj interface{}) {
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return func(obj interface{}) {
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s, ok := obj.(metav1.Object)
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if !ok {
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log.V(logf.ErrorLevel).Info("Non-Object type resource passed to EnqueueCertificatesForSecretUsingPredicates")
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return
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}
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// 'Construct' the predicate functions using the given Secret
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predicates := make(predicate.Funcs, len(predicateBuilders))
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for i, b := range predicateBuilders {
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predicates[i] = b(s.(runtime.Object))
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}
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certs, err := ListCertificatesMatchingPredicates(lister.Certificates(s.GetNamespace()), selector, predicates...)
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if err != nil {
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log.Error(err, "Failed listing Certificate resources")
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return
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}
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for _, cert := range certs {
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key, err := controllerpkg.KeyFunc(cert)
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if err != nil {
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log.Error(err, "Error determining 'key' for resource")
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continue
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}
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queue.Add(key)
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}
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}
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}
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