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Merge pull request #1642 from marquiz/devel/master-updater-pool-lock

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nfd-master: protect node updater pool queueing with a lock
This commit is contained in:
Kubernetes Prow Robot 2024-04-05 03:31:10 -07:00 • committed by GitHub
commit ad96c301a4
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2 changed files with 9 additions and 3 deletions
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4
pkg/nfd-master/nfd-master.go
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@ -442,7 +442,7 @@ func (m *nfdMaster) nfdAPIUpdateHandler() {
} }
} else { } else {
for nodeName := range updateNodes { for nodeName := range updateNodes {
m.nodeUpdaterPool.queue.Add(nodeName) m.nodeUpdaterPool.addNode(nodeName)
} }
} }
@ -715,7 +715,7 @@ func (m *nfdMaster) nfdAPIUpdateAllNodes() error {
} }
for _, node := range nodes.Items { for _, node := range nodes.Items {
m.nodeUpdaterPool.queue.Add(node.Name) m.nodeUpdaterPool.addNode(node.Name)
} }
return nil return nil

8
pkg/nfd-master/node-updater-pool.go
View file

@ -28,7 +28,7 @@ import (
type nodeUpdaterPool struct { type nodeUpdaterPool struct {
queue workqueue.RateLimitingInterface queue workqueue.RateLimitingInterface
sync.Mutex sync.RWMutex
wg sync.WaitGroup wg sync.WaitGroup
nfdMaster *nfdMaster nfdMaster *nfdMaster
@ -114,3 +114,9 @@ func (u *nodeUpdaterPool) stop() {
u.queue.ShutDown() u.queue.ShutDown()
u.wg.Wait() u.wg.Wait()
} }
func (u *nodeUpdaterPool) addNode(nodeName string) {
u.RLock()
defer u.RUnlock()
u.queue.Add(nodeName)
}