Files
fission-src/pkg/kubewatcher/watchSync.go
T
Vardhaman SuranaandGitHub 3fabf64b3c Add informers and internal go routines in manager (#2870)
* used manager's Add function in more places
* exit when ctx.Done is received in archivePruner go routines
* fix manager tests
* fix data race
* added more gpm function in manager and removed manager from a util function
* closed unused channel and stopped ticker after context is done
* added log statements
* used context.Done inside function instead of stopper channel
2023-11-10 12:42:21 +05:30

77 lines
2.2 KiB
Go

/*
Copyright 2016 The Fission Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package kubewatcher
import (
"context"
"time"
"go.uber.org/zap"
k8sCache "k8s.io/client-go/tools/cache"
fv1 "github.com/fission/fission/pkg/apis/core/v1"
"github.com/fission/fission/pkg/generated/clientset/versioned"
"github.com/fission/fission/pkg/utils"
"github.com/fission/fission/pkg/utils/manager"
)
type (
WatchSync struct {
logger *zap.Logger
client versioned.Interface
kubeWatcher *KubeWatcher
kubeWatcherInformer map[string]k8sCache.SharedIndexInformer
}
)
func MakeWatchSync(ctx context.Context, logger *zap.Logger, client versioned.Interface, kubeWatcher *KubeWatcher) (*WatchSync, error) {
ws := &WatchSync{
logger: logger.Named("watch_sync"),
client: client,
kubeWatcher: kubeWatcher,
}
ws.kubeWatcherInformer = utils.GetInformersForNamespaces(client, time.Minute*30, fv1.KubernetesWatchResource)
err := ws.KubeWatcherEventHandlers(ctx)
if err != nil {
return nil, err
}
return ws, nil
}
func (ws *WatchSync) Run(ctx context.Context, mgr manager.Interface) {
mgr.AddInformers(ctx, ws.kubeWatcherInformer)
}
func (ws *WatchSync) KubeWatcherEventHandlers(ctx context.Context) error {
for _, informer := range ws.kubeWatcherInformer {
_, err := informer.AddEventHandler(k8sCache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
objKubeWatcher := obj.(*fv1.KubernetesWatchTrigger)
ws.kubeWatcher.addWatch(ctx, objKubeWatcher) //nolint: errCheck
},
DeleteFunc: func(obj interface{}) {
objKubeWatcher := obj.(*fv1.KubernetesWatchTrigger)
ws.kubeWatcher.removeWatch(objKubeWatcher) //nolint: errCheck
},
})
if err != nil {
return err
}
}
return nil
}