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Merge pull request #114361 from kerthcet/cleanup/emit-errors-more-precise

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Tune the error messages in scheduler cache
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Kubernetes Prow Robot 2022-12-12 00:15:44 -08:00 committed by GitHub
commit bc6afee049
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1 changed files with 13 additions and 8 deletions
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21
pkg/scheduler/internal/cache/cache.go vendored
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@ -537,17 +537,22 @@ func (cache *cacheImpl) UpdatePod(oldPod, newPod *v1.Pod) error {
defer cache.mu.Unlock()
currState, ok := cache.podStates[key]
if !ok {
return fmt.Errorf("pod %v(%v) is not added to scheduler cache, so cannot be updated", key, klog.KObj(oldPod))
}
// An assumed pod won't have Update/Remove event. It needs to have Add event
// before Update event, in which case the state would change from Assumed to Added.
if ok && !cache.assumedPods.Has(key) {
if currState.pod.Spec.NodeName != newPod.Spec.NodeName {
klog.ErrorS(nil, "Pod updated on a different node than previously added to", "podKey", key, "pod", klog.KObj(oldPod))
klog.ErrorS(nil, "scheduler cache is corrupted and can badly affect scheduling decisions")
klog.FlushAndExit(klog.ExitFlushTimeout, 1)
}
return cache.updatePod(oldPod, newPod)
if cache.assumedPods.Has(key) {
return fmt.Errorf("assumed pod %v(%v) should not be updated", key, klog.KObj(oldPod))
}
return fmt.Errorf("pod %v(%v) is not added to scheduler cache, so cannot be updated", key, klog.KObj(oldPod))
if currState.pod.Spec.NodeName != newPod.Spec.NodeName {
klog.ErrorS(nil, "Pod updated on a different node than previously added to", "podKey", key, "pod", klog.KObj(oldPod))
klog.ErrorS(nil, "scheduler cache is corrupted and can badly affect scheduling decisions")
klog.FlushAndExit(klog.ExitFlushTimeout, 1)
}
return cache.updatePod(oldPod, newPod)
}
func (cache *cacheImpl) RemovePod(pod *v1.Pod) error {