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NodeController waits for informer sync before doing anything

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This commit is contained in:
gmarek 2016-10-14 12:38:39 +02:00
parent 9e3636ae86
commit e2b78ddadc
1 changed files with 22 additions and 3 deletions
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19
pkg/controller/node/nodecontroller.go
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@ -131,6 +131,10 @@ type NodeController struct {
// The maximum duration before a pod evicted from a node can be forcefully terminated. // The maximum duration before a pod evicted from a node can be forcefully terminated.
maximumGracePeriod time.Duration maximumGracePeriod time.Duration
recorder record.EventRecorder recorder record.EventRecorder
podInformer informers.PodInformer
nodeInformer informers.NodeInformer
daemonSetInformer informers.DaemonSetInformer
podStore cache.StoreToPodLister podStore cache.StoreToPodLister
nodeStore cache.StoreToNodeLister nodeStore cache.StoreToNodeLister
daemonSetStore cache.StoreToDaemonSetLister daemonSetStore cache.StoreToDaemonSetLister
@ -228,6 +232,9 @@ func NewNodeController(
largeClusterThreshold: largeClusterThreshold, largeClusterThreshold: largeClusterThreshold,
unhealthyZoneThreshold: unhealthyZoneThreshold, unhealthyZoneThreshold: unhealthyZoneThreshold,
zoneStates: make(map[string]zoneState), zoneStates: make(map[string]zoneState),
podInformer: podInformer,
nodeInformer: nodeInformer,
daemonSetInformer: daemonSetInformer,
} }
nc.enterPartialDisruptionFunc = nc.ReducedQPSFunc nc.enterPartialDisruptionFunc = nc.ReducedQPSFunc
nc.enterFullDisruptionFunc = nc.HealthyQPSFunc nc.enterFullDisruptionFunc = nc.HealthyQPSFunc
@ -351,6 +358,10 @@ func NewNodeController(
func (nc *NodeController) Run() { func (nc *NodeController) Run() {
// Incorporate the results of node status pushed from kubelet to master. // Incorporate the results of node status pushed from kubelet to master.
go wait.Until(func() { go wait.Until(func() {
if !cache.WaitForCacheSync(wait.NeverStop, nc.nodeInformer.Informer().HasSynced, nc.podInformer.Informer().HasSynced, nc.daemonSetInformer.Informer().HasSynced) {
glog.Errorf("NodeController timed out while waiting for informers to sync...")
return
}
if err := nc.monitorNodeStatus(); err != nil { if err := nc.monitorNodeStatus(); err != nil {
glog.Errorf("Error monitoring node status: %v", err) glog.Errorf("Error monitoring node status: %v", err)
} }
@ -369,6 +380,10 @@ func (nc *NodeController) Run() {
// c. If there are pods still terminating, wait for their estimated completion // c. If there are pods still terminating, wait for their estimated completion
// before retrying // before retrying
go wait.Until(func() { go wait.Until(func() {
if !cache.WaitForCacheSync(wait.NeverStop, nc.nodeInformer.Informer().HasSynced, nc.podInformer.Informer().HasSynced, nc.daemonSetInformer.Informer().HasSynced) {
glog.Errorf("NodeController timed out while waiting for informers to sync...")
return
}
nc.evictorLock.Lock() nc.evictorLock.Lock()
defer nc.evictorLock.Unlock() defer nc.evictorLock.Unlock()
for k := range nc.zonePodEvictor { for k := range nc.zonePodEvictor {
@ -402,6 +417,10 @@ func (nc *NodeController) Run() {
// TODO: replace with a controller that ensures pods that are terminating complete // TODO: replace with a controller that ensures pods that are terminating complete
// in a particular time period // in a particular time period
go wait.Until(func() { go wait.Until(func() {
if !cache.WaitForCacheSync(wait.NeverStop, nc.nodeInformer.Informer().HasSynced, nc.podInformer.Informer().HasSynced, nc.daemonSetInformer.Informer().HasSynced) {
glog.Errorf("NodeController timed out while waiting for informers to sync...")
return
}
nc.evictorLock.Lock() nc.evictorLock.Lock()
defer nc.evictorLock.Unlock() defer nc.evictorLock.Unlock()
for k := range nc.zoneTerminationEvictor { for k := range nc.zoneTerminationEvictor {