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Merge pull request #73401 from krzysztof-jastrzebski/daemonsets

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Delete pods assigned to not existing nodes.
This commit is contained in:
Kubernetes Prow Robot 2019-01-30 07:30:05 -08:00 committed by GitHub
commit f78770565c
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2 changed files with 40 additions and 0 deletions
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21
pkg/controller/daemon/daemon_controller.go
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@ -964,6 +964,9 @@ func (dsc *DaemonSetsController) manage(ds *apps.DaemonSet, hash string) error {
failedPodsObserved += failedPodsObservedOnNode failedPodsObserved += failedPodsObservedOnNode
} }
// Remove pods assigned to not existing nodes.
podsToDelete = append(podsToDelete, getPodsWithoutNode(nodeList, nodeToDaemonPods)...)
// Label new pods using the hash label value of the current history when creating them // Label new pods using the hash label value of the current history when creating them
if err = dsc.syncNodes(ds, podsToDelete, nodesNeedingDaemonPods, hash); err != nil { if err = dsc.syncNodes(ds, podsToDelete, nodesNeedingDaemonPods, hash); err != nil {
return err return err
@ -1524,3 +1527,21 @@ func (o podByCreationTimestampAndPhase) Less(i, j int) bool {
func failedPodsBackoffKey(ds *apps.DaemonSet, nodeName string) string { func failedPodsBackoffKey(ds *apps.DaemonSet, nodeName string) string {
return fmt.Sprintf("%s/%d/%s", ds.UID, ds.Status.ObservedGeneration, nodeName) return fmt.Sprintf("%s/%d/%s", ds.UID, ds.Status.ObservedGeneration, nodeName)
} }
// getPodsWithoutNode returns list of pods assigned to not existing nodes.
func getPodsWithoutNode(
runningNodesList []*v1.Node, nodeToDaemonPods map[string][]*v1.Pod) []string {
var results []string
isNodeRunning := make(map[string]bool)
for _, node := range runningNodesList {
isNodeRunning[node.Name] = true
}
for n, pods := range nodeToDaemonPods {
if !isNodeRunning[n] {
for _, pod := range pods {
results = append(results, pod.Name)
}
}
}
return results
}

19
pkg/controller/daemon/daemon_controller_test.go
View File

@ -2447,6 +2447,25 @@ func TestDeleteNoDaemonPod(t *testing.T) {
} }
} }
func TestDeletePodForNotExistingNode(t *testing.T) {
for _, f := range []bool{true, false} {
defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ScheduleDaemonSetPods, f)()
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _, err := newTestController(ds)
if err != nil {
t.Fatalf("error creating DaemonSets controller: %v", err)
}
manager.dsStore.Add(ds)
addNodes(manager.nodeStore, 0, 1, nil)
addPods(manager.podStore, "node-0", simpleDaemonSetLabel, ds, 1)
addPods(manager.podStore, "node-1", simpleDaemonSetLabel, ds, 1)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 1, 0)
}
}
}
func TestGetNodesToDaemonPods(t *testing.T) { func TestGetNodesToDaemonPods(t *testing.T) {
for _, f := range []bool{true, false} { for _, f := range []bool{true, false} {
defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ScheduleDaemonSetPods, f)() defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ScheduleDaemonSetPods, f)()