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cmol/pprof health (#17303)

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health: ensure timers are cleaned up

Updates tailscale/corp#32696

Signed-off-by: Claus Lensbøl <claus@tailscale.com>
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Claus Lensbøl 2025-09-26 17:30:24 -04:00 committed by GitHub
parent 832e94607e
commit 9ae8155bab
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1 changed files with 18 additions and 3 deletions
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21
health/health.go
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@ -143,15 +143,30 @@ func NewTracker(bus *eventbus.Bus) *Tracker {
panic("no eventbus set") panic("no eventbus set")
} }
cli := bus.Client("health.Tracker") ec := bus.Client("health.Tracker")
t := &Tracker{ t := &Tracker{
eventClient: cli, eventClient: ec,
changePub: eventbus.Publish[Change](cli), changePub: eventbus.Publish[Change](ec),
} }
t.timer = t.clock().AfterFunc(time.Minute, t.timerSelfCheck) t.timer = t.clock().AfterFunc(time.Minute, t.timerSelfCheck)
ec.Monitor(t.awaitEventClientDone)
return t return t
} }
func (t *Tracker) awaitEventClientDone(ec *eventbus.Client) {
<-ec.Done()
t.mu.Lock()
defer t.mu.Unlock()
for _, timer := range t.pendingVisibleTimers {
timer.Stop()
}
t.timer.Stop()
clear(t.pendingVisibleTimers)
}
func (t *Tracker) now() time.Time { func (t *Tracker) now() time.Time {
if t.testClock != nil { if t.testClock != nil {
return t.testClock.Now() return t.testClock.Now()