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Add reboot-delay command line argument #418

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Aug 25, 2021
Merged

Add reboot-delay command line argument #418

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9 changes: 9 additions & 0 deletions cmd/kured/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ var (
// Command line flags
forceReboot bool
drainTimeout time.Duration
rebootDelay time.Duration
period time.Duration
drainGracePeriod int
skipWaitForDeleteTimeoutSeconds int
Expand Down Expand Up @@ -106,6 +107,8 @@ func main() {
"when seconds is greater than zero, skip waiting for the pods whose deletion timestamp is older than N seconds while draining a node (default: 0)")
rootCmd.PersistentFlags().DurationVar(&drainTimeout, "drain-timeout", 0,
"timeout after which the drain is aborted (default: 0, infinite time)")
rootCmd.PersistentFlags().DurationVar(&rebootDelay, "reboot-delay", 0,
"delay reboot for this duration (default: 0, disabled)")
rootCmd.PersistentFlags().DurationVar(&period, "period", time.Minute*60,
"sentinel check period")
rootCmd.PersistentFlags().StringVar(&dsNamespace, "ds-namespace", "kube-system",
Expand Down Expand Up @@ -581,6 +584,12 @@ func rebootAsRequired(nodeID string, rebootCommand []string, sentinelCommand []s
}

drain(client, node)

if rebootDelay > 0 {
log.Infof("Delaying reboot for %v", rebootDelay)
time.Sleep(rebootDelay)
}

invokeReboot(nodeID, rebootCommand)
for {
log.Infof("Waiting for reboot")
Expand Down