b9fa6ca20a
* changes to add informer in timer for time trigger * Refactor timer trigger handlers and remove unwanted code Signed-off-by: Sanket Sudake <sanketsudake@gmail.com> Co-authored-by: Sanket Sudake <sanketsudake@gmail.com>
112 lines
3.3 KiB
Go
112 lines
3.3 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 timer
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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/crd"
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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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TimerSync struct {
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logger *zap.Logger
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fissionClient versioned.Interface
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timer *Timer
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timeTriggerInformer map[string]k8sCache.SharedIndexInformer
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}
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)
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func MakeTimerSync(ctx context.Context, logger *zap.Logger, fissionClient versioned.Interface, timer *Timer) *TimerSync {
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ws := &TimerSync{
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logger: logger.Named("timer_sync"),
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fissionClient: fissionClient,
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timer: timer,
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}
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ws.timeTriggerInformer = utils.GetInformersForNamespaces(fissionClient, time.Minute*30, fv1.TimeTriggerResource)
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ws.TimeTriggerEventHandlers(ctx)
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return ws
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}
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func (ws *TimerSync) Run(ctx context.Context) {
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for _, informer := range ws.timeTriggerInformer {
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go informer.Run(ctx.Done())
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}
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}
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func (ws *TimerSync) AddUpdateTimeTrigger(timeTrigger *fv1.TimeTrigger) {
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logger := ws.logger.With(zap.String("trigger_name", timeTrigger.Name), zap.String("trigger_namespace", timeTrigger.Namespace))
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ws.logger.Debug("cron event")
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if item, ok := ws.timer.triggers[crd.CacheKeyUID(&timeTrigger.ObjectMeta)]; ok {
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if item.trigger.Spec.Cron != timeTrigger.Spec.Cron {
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if item.cron != nil {
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item.cron.Stop()
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}
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item.trigger = *timeTrigger
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item.cron = ws.timer.newCron(*timeTrigger)
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logger.Debug("cron updated")
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}
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} else {
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ws.timer.triggers[crd.CacheKeyUID(&timeTrigger.ObjectMeta)] = &timerTriggerWithCron{
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trigger: *timeTrigger,
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cron: ws.timer.newCron(*timeTrigger),
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}
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logger.Debug("cron added")
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}
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}
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func (ws *TimerSync) DeleteTimeTrigger(timeTrigger *fv1.TimeTrigger) {
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logger := ws.logger.With(zap.String("trigger_name", timeTrigger.Name), zap.String("trigger_namespace", timeTrigger.Namespace))
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if item, ok := ws.timer.triggers[crd.CacheKeyUID(&timeTrigger.ObjectMeta)]; ok {
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if item.cron != nil {
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item.cron.Stop()
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logger.Info("cron for time trigger stopped")
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}
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delete(ws.timer.triggers, crd.CacheKeyUID(&timeTrigger.ObjectMeta))
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logger.Debug("cron deleted")
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}
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}
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func (ws *TimerSync) TimeTriggerEventHandlers(ctx context.Context) {
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for _, informer := range ws.timeTriggerInformer {
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informer.AddEventHandler(k8sCache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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timeTrigger := obj.(*fv1.TimeTrigger)
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ws.AddUpdateTimeTrigger(timeTrigger)
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},
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UpdateFunc: func(_ interface{}, obj interface{}) {
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timeTrigger := obj.(*fv1.TimeTrigger)
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ws.AddUpdateTimeTrigger(timeTrigger)
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},
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DeleteFunc: func(obj interface{}) {
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timeTrigger := obj.(*fv1.TimeTrigger)
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ws.DeleteTimeTrigger(timeTrigger)
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},
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})
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}
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}
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