mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
73 lines
2 KiB
Go
73 lines
2 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package storage
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import (
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core "k8s.io/api/core/v1"
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"k8s.io/client-go/tools/cache"
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"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
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)
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// listenForPvcEvents keep listening for changes in PVC's until the given channel is closed.
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func (ls *LocalStorage) listenForPvcEvents() {
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getPvc := func(obj interface{}) (*core.PersistentVolumeClaim, bool) {
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pvc, ok := obj.(*core.PersistentVolumeClaim)
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if !ok {
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tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
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if !ok {
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return nil, false
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}
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pvc, ok = tombstone.Obj.(*core.PersistentVolumeClaim)
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return pvc, ok
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}
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return pvc, true
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}
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rw := k8sutil.NewResourceWatcher(
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ls.deps.Client.Kubernetes().CoreV1().RESTClient(),
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"persistentvolumeclaims",
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"", //ls.apiObject.GetNamespace(),
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&core.PersistentVolumeClaim{},
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cache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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if pvc, ok := getPvc(obj); ok {
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ls.send(&localStorageEvent{
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Type: eventPVCAdded,
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PersistentVolumeClaim: pvc,
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})
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}
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},
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UpdateFunc: func(oldObj, newObj interface{}) {
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if pvc, ok := getPvc(newObj); ok {
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ls.send(&localStorageEvent{
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Type: eventPVCUpdated,
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PersistentVolumeClaim: pvc,
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})
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}
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},
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DeleteFunc: func(obj interface{}) {
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// Ignore
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},
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})
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rw.Run(ls.stopCh)
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}
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