func (s *Scheduler) followHost(h utils.HostClient) {
if _, ok := s.hostStreams[h.ID()]; ok {
return
}
log := logger.New("fn", "followHost", "host.id", h.ID())
log.Info("streaming job events")
events := make(chan *host.Event)
stream, err := h.StreamEvents("all", events)
if err != nil {
log.Error("error streaming job events", "err", err)
return
}
s.hostStreams[h.ID()] = stream
log.Info("getting active jobs")
jobs, err := h.ListJobs()
if err != nil {
log.Error("error getting active jobs", "err", err)
return
}
log.Info(fmt.Sprintf("got %d active job(s) for host %s", len(jobs), h.ID()))
for _, job := range jobs {
s.handleActiveJob(&job)
}
s.triggerSyncFormations()
go func() {
for e := range events {
s.jobEvents <- e
}
// TODO: reconnect this stream unless unfollowHost was called gh#1921
log.Error("job event stream closed unexpectedly")
}()
}
