Sanket SudakeandGitHub
3bcda55aa8
- k8s.io/api v0.28.1 - k8s.io/apiextensions-apiserver v0.28.1 - k8s.io/apimachinery v0.28.1 - k8s.io/client-go v0.28.1 - k8s.io/metrics v0.28.1 - sigs.k8s.io/controller-runtime v0.16.1 - sigs.k8s.io/controller-tools v0.13.0 Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
/*
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Copyright 2016 The Fission 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 kubewatcher
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import (
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"context"
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"time"
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"go.uber.org/zap"
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k8sCache "k8s.io/client-go/tools/cache"
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fv1 "github.com/fission/fission/pkg/apis/core/v1"
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"github.com/fission/fission/pkg/generated/clientset/versioned"
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"github.com/fission/fission/pkg/utils"
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)
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type (
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WatchSync struct {
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logger *zap.Logger
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client versioned.Interface
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kubeWatcher *KubeWatcher
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kubeWatcherInformer map[string]k8sCache.SharedIndexInformer
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}
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)
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func MakeWatchSync(ctx context.Context, logger *zap.Logger, client versioned.Interface, kubeWatcher *KubeWatcher) (*WatchSync, error) {
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ws := &WatchSync{
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logger: logger.Named("watch_sync"),
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client: client,
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kubeWatcher: kubeWatcher,
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}
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ws.kubeWatcherInformer = utils.GetInformersForNamespaces(client, time.Minute*30, fv1.KubernetesWatchResource)
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err := ws.KubeWatcherEventHandlers(ctx)
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if err != nil {
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return nil, err
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}
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return ws, nil
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}
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func (ws *WatchSync) Run(ctx context.Context) {
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for _, informer := range ws.kubeWatcherInformer {
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go informer.Run(ctx.Done())
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}
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}
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func (ws *WatchSync) KubeWatcherEventHandlers(ctx context.Context) error {
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for _, informer := range ws.kubeWatcherInformer {
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_, err := informer.AddEventHandler(k8sCache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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objKubeWatcher := obj.(*fv1.KubernetesWatchTrigger)
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ws.kubeWatcher.addWatch(ctx, objKubeWatcher) //nolint: errCheck
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},
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DeleteFunc: func(obj interface{}) {
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objKubeWatcher := obj.(*fv1.KubernetesWatchTrigger)
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ws.kubeWatcher.removeWatch(objKubeWatcher) //nolint: errCheck
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},
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})
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if err != nil {
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return err
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}
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}
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return nil
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}
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