Ejemplo n.º 1
0
func main() {

	numArgs := len(os.Args)
	if numArgs < 2 {
		fmt.Println("Usage: bamboo-blinker URL [INTERVAL_SECONDS] [BACKOFF_MS] [BLYNC_ID]")
		fmt.Printf("\t This will start monitoring the provided URL using a specific BlyncLight, default to ID 1\n")
		fmt.Println("OR : bamboo-blinker TellMeHowItWillBe")
		fmt.Printf("\t This will flash all connect blync lights in logical ID order based on USB port\n")
		os.Exit(1)
	}

	light := blync.NewBlyncLight()

	if os.Args[1] == "FlashMob" {
		light.FlashOrder()
		os.Exit(1)
	}
	url := os.Args[1]
	buildBunny := bunny.NewBunny(url)

	defaultInterval := 10
	if numArgs == 3 {
		value, err := strconv.ParseInt(os.Args[2], 10, 32)
		if err != nil {
			fmt.Println("INTERVAL_SECONDS must be an integer")
			os.Exit(1)
		}
		defaultInterval = int(value)
	}
	activeInterval := defaultInterval

	backoffLimit := 100
	if numArgs == 4 {
		value, err := strconv.ParseInt(os.Args[3], 10, 32)
		if err != nil {
			fmt.Println("BACKOFF_MS must be an integer")
			os.Exit(1)
		}
		backoffLimit = int(value)
	}

	blyncId := 1
	if numArgs == 5 {
		value, err := strconv.ParseInt(os.Args[4], 10, 32)
		if err != nil {
			fmt.Println("BLYNC_ID must be an integer")
			os.Exit(1)
		}
		blyncId = int(value)
	}

	light.SetColor(blync.Green, blyncId)

	// clean shutdown of light
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Notify(c, syscall.SIGTERM)
	go func() {
		<-c
		light.Close(blyncId)
		os.Exit(1)
	}()

	monitor := NewMonitor(light, blyncId)

	for {
		bunnyStatus := buildBunny.Update()

		//backoff if more than backoffLimit ms to calculate this on server side.
		if bunnyStatus.ProcessTime > backoffLimit {
			activeInterval = activeInterval * 2
			if activeInterval > 600 {
				activeInterval = 600
			}
			fmt.Printf("Interval increased to %d seconds since TimeToEvaluate was %d ms\n", activeInterval, bunnyStatus.ProcessTime)
		} else {

			if defaultInterval != activeInterval {
				activeInterval = defaultInterval
				fmt.Printf("Interval reset to %d seconds since TimeToEvaluate was %d ms\n", activeInterval, bunnyStatus.ProcessTime)
			}
		}

		if bunnyStatus.Status == "OK" {
			monitor.SetHealthy()
		} else {
			monitor.SetUnhealthy()
		}
		time.Sleep(time.Second * time.Duration(activeInterval))
	}
}
Ejemplo n.º 2
0
func main() {
	numArgs := len(os.Args)
	if numArgs < 2 {
		fmt.Println("Usage: bamboo-blinker URL [INTERVAL_SECONDS] [BACKOFF_MS]")
		os.Exit(1)
	}
	url := os.Args[1]
	buildBunny := bunny.NewBunny(url)

	defaultInterval := 10
	if numArgs == 3 {
		value, err := strconv.ParseInt(os.Args[2], 10, 32)
		if err != nil {
			fmt.Println("INTERVAL_SECONDS must be an integer")
			os.Exit(1)
		}
		defaultInterval = int(value)
	}
	activeInterval := defaultInterval

	backoffLimit := 100
	if numArgs == 4 {
		value, err := strconv.ParseInt(os.Args[3], 10, 32)
		if err != nil {
			fmt.Println("BACKOFF_MS must be an integer")
			os.Exit(1)
		}
		backoffLimit = int(value)
	}

	light := blync.NewBlyncLight()
	light.SetColor(blync.Green)

	// clean shutdown of light
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Notify(c, syscall.SIGTERM)
	go func() {
		<-c
		light.Close()
		os.Exit(1)
	}()

	monitor := NewMonitor(light)

	for {
		bunnyStatus := buildBunny.Update()

		//backoff if more than backoffLimit ms to calculate this on server side.
		if bunnyStatus.ProcessTime > backoffLimit {
			activeInterval = activeInterval * 2
			if activeInterval > 600 {
				activeInterval = 600
			}
			fmt.Printf("Interval increased to %d seconds since TimeToEvaluate was %d ms\n", activeInterval, bunnyStatus.ProcessTime)
		} else {

			if defaultInterval != activeInterval {
				activeInterval = defaultInterval
				fmt.Printf("Interval reset to %d seconds since TimeToEvaluate was %d ms\n", activeInterval, bunnyStatus.ProcessTime)
			}
		}

		if bunnyStatus.Status == "OK" {
			monitor.SetHealthy()
		} else {
			monitor.SetUnhealthy()
		}
		time.Sleep(time.Second * time.Duration(activeInterval))
	}
}