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pkg/oom/v2: handle EventChan routine shutdown quietly

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When the cgroup is removed, EventChan is closed (this was pulled in by
8d69c041c5). This results in a nil error
being received. Don't log an error in that case but instead return.

Signed-off-by: Jeremi Piotrowski <jpiotrowski@microsoft.com>
This commit is contained in:
Jeremi Piotrowski 2022-02-03 13:18:43 +01:00
parent 604c462d7b
commit 821c961c86
1 changed files with 7 additions and 4 deletions
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11
pkg/oom/v2/v2.go
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@ -102,10 +102,13 @@ func (w *watcher) Add(id string, cgx interface{}) error {
i.ev = ev
w.itemCh <- i
case err := <-errCh:
i.err = err
w.itemCh <- i
// we no longer get any event/err when we got an err
logrus.WithError(err).Warn("error from *cgroupsv2.Manager.EventChan")
// channel is closed when cgroup gets deleted
if err != nil {
i.err = err
w.itemCh <- i
// we no longer get any event/err when we got an err
logrus.WithError(err).Warn("error from *cgroupsv2.Manager.EventChan")
}
return
}
}