Example #1
0
func NewEruApp(container *docker.Container, extend map[string]interface{}) *EruApp {
	name, entrypoint, ident := utils.GetAppInfo(container.Name)
	if name == "" {
		logs.Info("Container name invaild", container.Name)
		return nil
	}
	logs.Debug("Eru App", name, entrypoint, ident)

	transfer, _ := g.Transfers.Get(container.ID, 0)
	client := falcon.CreateFalconClient(
		transfer,
		time.Duration(g.Config.Metrics.Timeout)*time.Millisecond,
	)

	step := time.Duration(g.Config.Metrics.Step) * time.Second
	extend["hostname"] = g.Config.HostName
	extend["cid"] = container.ID[:12]
	extend["ident"] = ident
	tag := []string{}
	for k, v := range extend {
		tag = append(tag, fmt.Sprintf("%s=%v", k, v))
	}
	endpoint := fmt.Sprintf("%s-%s", name, entrypoint)

	meta := defines.Meta{container.ID, container.State.Pid, name, entrypoint, ident, extend}
	metric := metric.CreateMetric(step, client, strings.Join(tag, ","), endpoint)
	eruApp := &EruApp{meta, metric}
	return eruApp
}
Example #2
0
func start_watcher(client metric.Remote, cid string, pid int) {
	serv := metric.CreateMetric(time.Duration(5)*time.Second, client, "a=b,b=c", fmt.Sprintf("test_%s", cid))
	defer serv.Client.Close()
	if err := serv.InitMetric(cid, pid); err != nil {
		fmt.Println("failed", err)
		return
	}

	t := time.NewTicker(serv.Step)
	defer t.Stop()
	fmt.Println("begin watch", cid)
	for {
		select {
		case now := <-t.C:
			go func() {
				if info, err := serv.UpdateStats(cid); err == nil {
					fmt.Println(info)
					rate := serv.CalcRate(info, now)
					serv.SaveLast(info)
					// for safe
					fmt.Println(rate)
					go serv.Send(rate)
				}
			}()
		case <-serv.Stop:
			return
		}
	}
}