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logs: simplify flush daemon startup

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StartFlushDaemon can be called more than once. We can take advantage of that an
eliminate the tracking of where we need to start it.
This commit is contained in:
Patrick Ohly 2022-04-01 15:31:03 +02:00
parent 4033e64bf1
commit 18bf5d23f1
1 changed files with 6 additions and 9 deletions
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15
staging/src/k8s.io/component-base/logs/logs.go
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@ -43,8 +43,7 @@ var (
// Periodic flushing gets configured either via the global flag
// in this file or via LoggingConfiguration.
logFlushFreq time.Duration
logFlushFreqAdded bool
logFlushFreq time.Duration
)
func init() {
@ -100,7 +99,6 @@ func AddFlags(fs *pflag.FlagSet, opts ...Option) {
if o.skipLoggingConfigurationFlags {
return
}
logFlushFreqAdded = true
case "vmodule":
// TODO: see above
// pf.Usage += vmoduleUsage
@ -142,7 +140,6 @@ func AddGoFlags(fs *flag.FlagSet, opts ...Option) {
if o.skipLoggingConfigurationFlags {
return
}
logFlushFreqAdded = true
case "vmodule":
// TODO: see above
// usage += vmoduleUsage
@ -181,11 +178,11 @@ func (writer KlogWriter) Write(data []byte) (n int, err error) {
func InitLogs() {
log.SetOutput(KlogWriter{})
log.SetFlags(0)
if logFlushFreqAdded {
// The flag from this file was activated, so use it now.
// Otherwise LoggingConfiguration.Apply will do this.
klog.StartFlushDaemon(logFlushFreq)
}
// Start flushing now. If LoggingConfiguration.ApplyAndValidate is
// used, it will restart the daemon with the log flush interval defined
// there.
klog.StartFlushDaemon(logFlushFreq)
// This is the default in Kubernetes. Options.ValidateAndApply
// will override this with the result of a feature gate check.