Example #1
0
func update(watcher client.Watcher, space *Namespace) {
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	res, err := watcher.Next(ctx)
	if err != nil {
		if err != context.DeadlineExceeded {
			log.Errorf("watcher next failed, err[%v]", err)
		}
		return
	}
	node := res.Node
	if node == nil {
		log.Errorf("node is nil")
		return
	}
	if node.Dir {
		log.Infof("node is dir")
		return
	}
	service, url, err := parsePath(node.Key, space.name)
	if err != nil {
		log.Errorf("parse path failed, err[%v]", err)
		return
	}

	log.Infof("%s %s %s", res.Action, service, url)
	switch res.Action {
	case "set", "update":
		space.updateEndpoint(service, url)
	case "delete":
		space.deleteEndpoint(service, url)
	case "expire":
		space.expireEndpoint(service, url)
	}
}
Example #2
0
func watchService(ctx *done.Context, api client.KeysAPI, space *Namespace) {
	dir := watchDir(space.name)
	opts := &client.WatcherOptions{Recursive: true}
	watcher := api.Watcher(dir, opts)

	log.Infof("watch %s start", dir)
	for {
		update(watcher, space)
		select {
		case <-ctx.Done():
			log.Infof("watch %s done", dir)
			ctx.OK()
			return
		default:
			continue
		}
	}
}
Example #3
0
func (p *pinger) offline() error {
	_, err := p.api.Delete(context.Background(), p.path, &client.DeleteOptions{})
	if err != nil {
		log.Errorf("%s heartbeat offline failed, err[%v]", p.path, err)
		return err
	}
	log.Infof("%s heartbeat offline success", p.path)
	return nil
}
Example #4
0
func TestLog(t *testing.T) {
	//log.SetFlag(log.StdFlags | log.MsecFlag | log.ShortFileFlag | log.FuncNameFlag)
	//log.SetFileOutput("./test.log", 1024, 2)
	log.Fatalf("test %d %s", 1, "hello")
	log.Errorf("test %d", 1)
	log.Warnf("test %d", 1)
	log.Infof("test %d", 1)
	log.Debugf("test %d", 1)
}
Example #5
0
func (p *pinger) online() error {
	opts := &client.SetOptions{TTL: p.ttl}
	_, err := p.api.Set(context.Background(), p.path, "online", opts)
	if err != nil {
		log.Errorf("%s heartbeat ping failed, err[%v]", p.path, err)
		return err
	}
	log.Infof("%s heartbeat ping success", p.path)
	return nil
}