func (instance *Instance) readFromTail(t *tail.Tail, pub *zmqpubsub.Publisher, name string, stopCh chan bool, filename string, tracker storage.Tracker) {
var err error
FORLOOP:
for {
select {
case line, ok := <-t.Lines:
if !ok {
err = t.Wait()
break FORLOOP
}
currentOffset, err := t.Tell()
if err != nil {
log.Error(err.Error())
}
tracker.Update(instance.getShortDockerId(), filename, currentOffset)
instance.publishLine(pub, name, line)
case <-stopCh:
err = t.Stop()
break FORLOOP
}
}
if err != nil {
log.Warn(err)
instance.SendTimelineEvent("WARN -- Error tailing file (%s); %s", name, err)
}
log.Infof("Completed tailing %v log for %v", name, instance.Identifier())
}
