Example #1
0
func initiailizeMonitoring() {
	defer log.Infoln("Initializing autonomic monitoring")
	ch_aut_err := chn.GetAutonomicErrChannel()
	enableLogReading = cfg.GetAgentAutonomic().EnableLogReading
	mtr.Initialize(srv.List())

	// Start log reader if needed
	if enableLogReading {
		lgr.StartLogReader()
		log.WithField("logreader", enableLogReading).Debugln("Log reading is enabled")
	}

	// Get the list of containers (running or not) to monitor
	containers, err := container.Docker().Client.ListContainers(true, false, "")
	if err != nil {
		log.WithField("err", err).Debugln("Error monitoring containers")
		ch_aut_err <- err
	}

	// Start the monitor for each configured service
	for _, c := range containers {
		info, _ := container.Docker().Client.InspectContainer(c.Id)
		status := getContainerStatus(info)
		service, err := srv.GetServiceByImage(c.Image)
		if err != nil {
			log.WithFields(log.Fields{
				"err":   err,
				"image": c.Image,
			}).Warningln("Error monitoring service")
		} else {
			e := evt.Event{
				Service:  service.Name,
				Image:    c.Image,
				Instance: c.Id,
				Status:   status,
			}

			evt.HandleCreateEvent(e)
			evt.HanldeStartEvent(e)
			mtr.AddInstance(c.Id)
			if _, ok := instBuffer[c.Id]; !ok {
				instBuffer[c.Id] = instanceMetricBuffer{
					cpuInst: utils.BuildBuffer(c_B_SIZE),
					cpuSys:  utils.BuildBuffer(c_B_SIZE),
				}
			}
			container.Docker().Client.StartMonitorStats(c.Id, statCallBack, ch_mnt_stats_err)
			if status == enum.PENDING && enableLogReading {
				startMonitorLog(c.Id)
			}
		}
	}
}
Example #2
0
func RunLoop(loopTimeInterval int) {
	// Start the metric collector
	metric.StartMetricCollector()
	// Set the ticker for the periodic execution
	ticker := time.NewTicker(time.Duration(loopTimeInterval) * time.Second)
	log.Infoln("Running autonomic loop")
	for {
		select {
		case <-ticker.C:
			stats := monitor.Run()
			analytics := analyzer.Run(stats)
			policy := planner.Run(analytics)
			executor.Run(policy)

			log.Infoln("-------------------------")

		case <-ch_err:
			log.Debugln("Error running autonomic loop")
		}
	}
}
Example #3
0
func startMonitoring() {
	log.Infoln("Running autonomic monitoring")
	ch_aut_err := chn.GetAutonomicErrChannel()

	container.Docker().Client.StartMonitorEvents(eventCallback, ch_mnt_events_err)
	for {
		select {
		case err := <-ch_mnt_events_err:
			log.WithField("err", err).Fatalln("Error monitoring containers events")
			ch_aut_err <- err
		case err := <-ch_mnt_stats_err:
			log.WithField("err", err).Debugln("Error monitoring containers stats")
			ch_aut_err <- err
		case <-ch_stop:
			return
		}
	}
}