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fix prober ticking shift for kubelet restarted cases

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This commit is contained in:
Kevin 2017-09-08 13:07:08 +08:00
parent 92e1f4466e
commit f50761c9d4
1 changed files with 5 additions and 4 deletions
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9
pkg/kubelet/prober/worker.go
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@ -99,6 +99,11 @@ func newWorker(
// run periodically probes the container.
func (w *worker) run() {
probeTickerPeriod := time.Duration(w.spec.PeriodSeconds) * time.Second
// If kubelet restarted the probes could be started in rapid succession.
// Let the worker wait for a random portion of tickerPeriod before probing.
time.Sleep(time.Duration(rand.Float64() * float64(probeTickerPeriod)))
probeTicker := time.NewTicker(probeTickerPeriod)
defer func() {
@ -111,10 +116,6 @@ func (w *worker) run() {
w.probeManager.removeWorker(w.pod.UID, w.container.Name, w.probeType)
}()
// If kubelet restarted the probes could be started in rapid succession.
// Let the worker wait for a random portion of tickerPeriod before probing.
time.Sleep(time.Duration(rand.Float64() * float64(probeTickerPeriod)))
probeLoop:
for w.doProbe() {
// Wait for next probe tick.