// Tail begins tailing the files for this instance.
func (instance *Instance) Tail(tracker storage.Tracker) {
log.Infof("Tailing %v logs for %v -- %+v",
instance.Type, instance.Identifier(), instance)
stopCh := make(chan bool)
instance.pubch = pubchannel.New("event.timeline", stopCh)
logfiles := instance.getLogFiles()
log.Infof("Determined log files: %+v", logfiles)
shortDockerId := instance.getShortDockerId()
tracker.RegisterInstance(shortDockerId)
for name, filename := range logfiles {
// call tailStream for standard docker logs and tailFile for user custom logs
if instance.DockerStreams && (name == STDOUT || name == STDERR) {
go instance.tailStream(name, filename, stopCh, tracker)
} else {
go instance.tailFile(name, filename, stopCh, tracker)
}
}
go func() {
docker.DockerListener.BlockUntilContainerStops(instance.DockerId)
log.Infof("Container for %v exited", instance.Identifier())
close(stopCh)
tracker.Remove(shortDockerId)
}()
}
