73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
package controller
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import (
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"reflect"
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"k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/client-go/tools/cache"
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"k8s.io/client-go/util/workqueue"
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)
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var (
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KeyFunc = cache.DeletionHandlingMetaNamespaceKeyFunc
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)
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type QueuingEventHandler struct {
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Queue workqueue.RateLimitingInterface
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}
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func (q *QueuingEventHandler) Enqueue(obj interface{}) {
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key, err := KeyFunc(obj)
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if err != nil {
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runtime.HandleError(err)
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return
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}
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q.Queue.Add(key)
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}
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func (q *QueuingEventHandler) OnAdd(obj interface{}) {
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q.Enqueue(obj)
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}
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func (q *QueuingEventHandler) OnUpdate(old, new interface{}) {
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if reflect.DeepEqual(old, new) {
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return
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}
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q.Enqueue(new)
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}
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func (q *QueuingEventHandler) OnDelete(obj interface{}) {
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tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
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if ok {
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obj = tombstone.Obj
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}
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q.Enqueue(obj)
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}
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type BlockingEventHandler struct {
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WorkFunc func(obj interface{})
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}
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func (b *BlockingEventHandler) Enqueue(obj interface{}) {
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b.WorkFunc(obj)
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}
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func (b *BlockingEventHandler) OnAdd(obj interface{}) {
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b.WorkFunc(obj)
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}
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func (b *BlockingEventHandler) OnUpdate(old, new interface{}) {
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if reflect.DeepEqual(old, new) {
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return
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}
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b.WorkFunc(new)
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}
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func (b *BlockingEventHandler) OnDelete(obj interface{}) {
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tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
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if ok {
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obj = tombstone.Obj
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}
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b.WorkFunc(obj)
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}
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