mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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115 lines
3.8 KiB
Go
115 lines
3.8 KiB
Go
/*
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Copyright 2025 The Kubernetes 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 apps
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import (
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"context"
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"maps"
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"strconv"
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"sync"
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"github.com/onsi/ginkgo/v2"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/watch"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/cache"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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type IndexedPodAnnotationTracker struct {
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sync.Mutex
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ownerName string
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ownerNs string
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labelSelector string
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podIndexAnnotation string
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podTrackedAnnotation string
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trackedAnnotations map[int][]string
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}
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func NewIndexedPodAnnotationTracker(ownerName, ownerNs, labelSelector, podIndexAnnotation, podTrackedAnnotation string) *IndexedPodAnnotationTracker {
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return &IndexedPodAnnotationTracker{
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ownerName: ownerName,
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ownerNs: ownerNs,
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labelSelector: labelSelector,
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podIndexAnnotation: podIndexAnnotation,
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podTrackedAnnotation: podTrackedAnnotation,
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trackedAnnotations: make(map[int][]string),
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}
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}
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func (t *IndexedPodAnnotationTracker) Start(ctx context.Context, c clientset.Interface) context.CancelFunc {
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trackerCtx, trackerCancel := context.WithCancel(ctx)
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_, podTracker := cache.NewInformerWithOptions(cache.InformerOptions{
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ListerWatcher: &cache.ListWatch{
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ListWithContextFunc: func(ctx context.Context, options metav1.ListOptions) (runtime.Object, error) {
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options.LabelSelector = t.labelSelector
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obj, err := c.CoreV1().Pods(t.ownerNs).List(ctx, options)
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return runtime.Object(obj), err
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},
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WatchFuncWithContext: func(ctx context.Context, options metav1.ListOptions) (watch.Interface, error) {
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options.LabelSelector = t.labelSelector
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return c.CoreV1().Pods(t.ownerNs).Watch(ctx, options)
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},
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},
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ObjectType: &v1.Pod{},
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Handler: cache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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defer ginkgo.GinkgoRecover()
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if pod, ok := obj.(*v1.Pod); ok {
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framework.Logf("Observed event for Pod %q with index=%v, annotation value=%v",
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klog.KObj(pod), pod.Annotations[t.podIndexAnnotation], pod.Annotations[t.podTrackedAnnotation])
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podIndex, err := strconv.Atoi(pod.Annotations[t.podIndexAnnotation])
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if err != nil {
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framework.Failf("failed to parse pod index for Pod %q: %v", klog.KObj(pod), err.Error())
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} else {
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t.Lock()
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defer t.Unlock()
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t.trackedAnnotations[podIndex] = append(t.trackedAnnotations[podIndex], pod.Annotations[t.podTrackedAnnotation])
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}
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}
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},
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UpdateFunc: func(old, new interface{}) {
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defer ginkgo.GinkgoRecover()
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oldPod, oldOk := old.(*v1.Pod)
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newPod, newOk := new.(*v1.Pod)
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if !oldOk || !newOk {
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return
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}
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if oldPod.Annotations[t.podTrackedAnnotation] != newPod.Annotations[t.podTrackedAnnotation] {
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framework.Failf("Unexepected mutation of the annotation %q for Pod %q, old=%q, new=%q",
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t.podTrackedAnnotation,
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klog.KObj(newPod),
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oldPod.Annotations[t.podTrackedAnnotation],
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newPod.Annotations[t.podTrackedAnnotation],
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)
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}
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},
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},
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})
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go podTracker.RunWithContext(trackerCtx)
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return trackerCancel
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}
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func (t *IndexedPodAnnotationTracker) cloneTrackedAnnotations() map[int][]string {
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t.Lock()
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defer t.Unlock()
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return maps.Clone(t.trackedAnnotations)
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}
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