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Make the error messages in scheduler cache more precise

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Signed-off-by: kerthcet <kerthcet@gmail.com>
This commit is contained in:
kerthcet 2022-12-08 15:41:43 +08:00
parent 57eb5d631c
commit 180b082c49
1 changed files with 13 additions and 8 deletions
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11
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() defer cache.mu.Unlock()
currState, ok := cache.podStates[key] 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 // 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. // before Update event, in which case the state would change from Assumed to Added.
if ok && !cache.assumedPods.Has(key) { if cache.assumedPods.Has(key) {
return fmt.Errorf("assumed pod %v(%v) should not be updated", key, klog.KObj(oldPod))
}
if currState.pod.Spec.NodeName != newPod.Spec.NodeName { 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, "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.ErrorS(nil, "scheduler cache is corrupted and can badly affect scheduling decisions")
klog.FlushAndExit(klog.ExitFlushTimeout, 1) klog.FlushAndExit(klog.ExitFlushTimeout, 1)
} }
return cache.updatePod(oldPod, newPod) return cache.updatePod(oldPod, newPod)
}
return fmt.Errorf("pod %v(%v) is not added to scheduler cache, so cannot be updated", key, klog.KObj(oldPod))
} }
func (cache *cacheImpl) RemovePod(pod *v1.Pod) error { func (cache *cacheImpl) RemovePod(pod *v1.Pod) error {