func streamRouterEvents(rc routerc.Client, db *postgres.DB, doneCh chan struct{}) error {
// wait for router to come up
{
events := make(chan *discoverd.Event)
stream, err := discoverd.NewService("router-api").Watch(events)
if err != nil {
return err
}
for e := range events {
if e.Kind == discoverd.EventKindUp {
break
}
}
stream.Close()
}
events := make(chan *router.StreamEvent)
s, err := rc.StreamEvents(events)
if err != nil {
return err
}
go func() {
for {
e, ok := <-events
if !ok {
return
}
route := e.Route
route.ID = postgres.CleanUUID(route.ID)
var appID string
if strings.HasPrefix(route.ParentRef, routeParentRefPrefix) {
appID = strings.TrimPrefix(route.ParentRef, routeParentRefPrefix)
}
eventType := ct.EventTypeRoute
if e.Event == "remove" {
eventType = ct.EventTypeRouteDeletion
}
hash := md5.New()
io.WriteString(hash, appID)
io.WriteString(hash, string(eventType))
io.WriteString(hash, route.ID)
io.WriteString(hash, route.CreatedAt.String())
io.WriteString(hash, route.UpdatedAt.String())
uniqueID := fmt.Sprintf("%x", hash.Sum(nil))
if err := createEvent(wrapDBExec(db.Exec), &ct.Event{
AppID: appID,
ObjectID: route.ID,
ObjectType: eventType,
UniqueID: uniqueID,
}, route); err != nil {
log.Println(err)
}
}
}()
_, _ = <-doneCh
return s.Close()
}
