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Fix regression from #14623 - use debug SVC handler only on interactive sessions (#15210) #15211

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merged 2 commits into from
Mar 31, 2021
Merged

Fix regression from #14623 - use debug SVC handler only on interactive sessions (#15210) #15211

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6bd9278
Fix regression from #14623 - use debug SVC handler only on interactiv…
zeripath Mar 30, 2021
adcbcd8
Merge branch 'release/v1.14' into backport-15210-v1.14
techknowlogick Mar 31, 2021
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25 changes: 22 additions & 3 deletions modules/graceful/manager_windows.go
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Original file line number Diff line number Diff line change
Expand Up @@ -68,17 +68,19 @@ func (g *Manager) start() {
// Set the running state
g.setState(stateRunning)
if skip, _ := strconv.ParseBool(os.Getenv("SKIP_MINWINSVC")); skip {
log.Trace("Skipping SVC check as SKIP_MINWINSVC is set")
return
}

// Make SVC process
run := svc.Run
isInteractive, err := svc.IsWindowsService()
isWindowsService, err := svc.IsWindowsService()
if err != nil {
log.Error("Unable to ascertain if running as an Interactive Session: %v", err)
log.Error("Unable to ascertain if running as an Windows Service: %v", err)
return
}
if isInteractive {
if !isWindowsService {
log.Trace("Not running a service ... using the debug SVC manager")
run = debug.Run
}
go func() {
Expand All @@ -94,38 +96,49 @@ func (g *Manager) Execute(args []string, changes <-chan svc.ChangeRequest, statu
status <- svc.Status{State: svc.StartPending, WaitHint: uint32(setting.StartupTimeout / time.Millisecond)}
}

log.Trace("Awaiting server start-up")
// Now need to wait for everything to start...
if !g.awaitServer(setting.StartupTimeout) {
log.Trace("... start-up failed ... Stopped")
return false, 1
}

log.Trace("Sending Running state to SVC")

// We need to implement some way of svc.AcceptParamChange/svc.ParamChange
status <- svc.Status{
State: svc.Running,
Accepts: svc.AcceptStop | svc.AcceptShutdown | acceptHammerCode,
}

log.Trace("Started")

waitTime := 30 * time.Second

loop:
for {
select {
case <-g.ctx.Done():
log.Trace("Shutting down")
g.DoGracefulShutdown()
waitTime += setting.GracefulHammerTime
break loop
case <-g.shutdownRequested:
log.Trace("Shutting down")
waitTime += setting.GracefulHammerTime
break loop
case change := <-changes:
switch change.Cmd {
case svc.Interrogate:
log.Trace("SVC sent interrogate")
status <- change.CurrentStatus
case svc.Stop, svc.Shutdown:
log.Trace("SVC requested shutdown - shutting down")
g.DoGracefulShutdown()
waitTime += setting.GracefulHammerTime
break loop
case hammerCode:
log.Trace("SVC requested hammer - shutting down and hammering immediately")
g.DoGracefulShutdown()
g.DoImmediateHammer()
break loop
Expand All @@ -134,6 +147,8 @@ loop:
}
}
}

log.Trace("Sending StopPending state to SVC")
status <- svc.Status{
State: svc.StopPending,
WaitHint: uint32(waitTime / time.Millisecond),
Expand All @@ -145,8 +160,10 @@ hammerLoop:
case change := <-changes:
switch change.Cmd {
case svc.Interrogate:
log.Trace("SVC sent interrogate")
status <- change.CurrentStatus
case svc.Stop, svc.Shutdown, hammerCmd:
log.Trace("SVC requested hammer - hammering immediately")
g.DoImmediateHammer()
break hammerLoop
default:
Expand All @@ -156,6 +173,8 @@ hammerLoop:
break hammerLoop
}
}

log.Trace("Stopped")
return false, 0
}

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