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topology-updater: continue looping on scan error

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Scanning podresources can temporarily fail; the previous code was
mistakenly not rearming the loop condition when this occurred,
effectively stopping the monitoring.

Rather, we should always pool and bail out on unrecoverable
error or when asked to stop.

Signed-off-by: Francesco Romani <fromani@redhat.com>
This commit is contained in:
Francesco Romani 2022-10-20 09:44:31 +02:00 committed by k8s-infra-cherrypick-robot
parent 5741fc92e3
commit 053d9176fc
1 changed files with 4 additions and 8 deletions
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12
pkg/nfd-client/topology-updater/nfd-topology-updater.go
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@ -126,15 +126,15 @@ func (w *nfdTopologyUpdater) Run() error {
return err
}
crTrigger := time.After(0)
crTrigger := time.NewTicker(w.resourcemonitorArgs.SleepInterval)
for {
select {
case <-crTrigger:
klog.Infof("Scanning\n")
case <-crTrigger.C:
klog.Infof("Scanning")
podResources, err := resScan.Scan()
utils.KlogDump(1, "podResources are", " ", podResources)
if err != nil {
klog.Warningf("Scan failed: %v\n", err)
klog.Warningf("Scan failed: %v", err)
continue
}
zones = resAggr.Aggregate(podResources)
@ -147,10 +147,6 @@ func (w *nfdTopologyUpdater) Run() error {
return nil
}
if w.resourcemonitorArgs.SleepInterval > 0 {
crTrigger = time.After(w.resourcemonitorArgs.SleepInterval)
}
case <-w.certWatch.Events:
klog.Infof("TLS certificate update, renewing connection to nfd-master")
w.Disconnect()