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Exit syslog acquis only after server is dead (#1288)

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This commit is contained in:
Shivam Sandbhor 2022-03-01 16:02:28 +05:30 • committed by GitHub
parent a300d5818f
commit c3dbe0080c
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 7 deletions
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3
pkg/acquisition/modules/syslog/internal/syslogserver.go
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@ -61,7 +61,7 @@ func (s *SyslogServer) StartServer() *tomb.Tomb {
for { for {
select { select {
case <-t.Dying(): case <-t.Dying():
s.Logger.Info("syslog server tomb is dying") s.Logger.Info("Syslog server tomb is dying")
err := s.KillServer() err := s.KillServer()
return err return err
default: default:
@ -92,5 +92,6 @@ func (s *SyslogServer) KillServer() error {
if err != nil { if err != nil {
return errors.Wrap(err, "could not close UDP connection") return errors.Wrap(err, "could not close UDP connection")
} }
close(s.channel)
return nil return nil
} }

12
pkg/acquisition/modules/syslog/syslog.go
View file

@ -180,15 +180,15 @@ func (s *SyslogSource) buildLogFromSyslog(ts *time.Time, hostname *string,
} }
func (s *SyslogSource) handleSyslogMsg(out chan types.Event, t *tomb.Tomb, c chan syslogserver.SyslogMessage) error { func (s *SyslogSource) handleSyslogMsg(out chan types.Event, t *tomb.Tomb, c chan syslogserver.SyslogMessage) error {
killed := false
for { for {
select { select {
case <-t.Dying(): case <-t.Dying():
s.logger.Info("Syslog datasource is dying") if !killed {
s.serverTomb.Kill(nil) s.logger.Info("Syslog datasource is dying")
return s.serverTomb.Wait() s.serverTomb.Kill(nil)
case <-s.serverTomb.Dying(): killed = true
s.logger.Info("Syslog server is dying, exiting") }
return nil
case <-s.serverTomb.Dead(): case <-s.serverTomb.Dead():
s.logger.Info("Syslog server has exited") s.logger.Info("Syslog server has exited")
return nil return nil