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Fix graceful shutdown

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graceful shutdown of goroutines on operator exit
This commit is contained in:
Murat Kabilov
2017-07-27 12:54:22 +02:00
committed by GitHub
parent 1f8b37f33d
commit 3ad4b127c4
3 changed files with 32 additions and 16 deletions
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pkg/controller/controller.go
+16 -11
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@@ -169,25 +169,30 @@ func (c *Controller) initController() {
}
func (c *Controller) Run(stopCh <-chan struct{}, wg *sync.WaitGroup) {
defer wg.Done()
wg.Add(1)
c.initController()
go c.runInformers(stopCh)
wg.Add(4)
go c.runPodInformer(stopCh, wg)
go c.runPostgresqlInformer(stopCh, wg)
go c.podEventsDispatcher(stopCh, wg)
go c.clusterResync(stopCh, wg)
for i := range c.clusterEventQueues {
go c.processClusterEventsQueue(i)
wg.Add(1)
go c.processClusterEventsQueue(i, stopCh, wg)
}
c.logger.Info("Started working in background")
}
func (c *Controller) runInformers(stopCh <-chan struct{}) {
go c.postgresqlInformer.Run(stopCh)
go c.podInformer.Run(stopCh)
go c.podEventsDispatcher(stopCh)
go c.clusterResync(stopCh)
func (c *Controller) runPodInformer(stopCh <-chan struct{}, wg *sync.WaitGroup) {
defer wg.Done()
<-stopCh
c.podInformer.Run(stopCh)
}
func (c *Controller) runPostgresqlInformer(stopCh <-chan struct{}, wg *sync.WaitGroup) {
defer wg.Done()
c.postgresqlInformer.Run(stopCh)
}