func (c *collector) source(ins *visor.Instance) {
logFile := path.Join(c.logDir, ins.WorkerID(), "current")
t, err := NewFileTail(logFile)
if err != nil {
c.errc <- fmt.Errorf("collector: unable to source %d: %s", ins.ID, err)
return
}
s := NewSource(ins, t, c.pubc)
c.Add(s, t)
logf("collector: created source %d", ins.ID)
if err := <-s.Error(); err != nil {
c.errc <- err
return
}
c.lookup.Remove(s)
logf("collector: removed source %d", ins.ID)
}
