_, ipNet, err := net.ParseCIDR("1.2.0.0/20")
		Expect(err).ToNot(HaveOccurred())

		fakeUIDPool = fake_uid_pool.New(10000)

		fakeNetworkPool = fake_network_pool.New(ipNet)
		fakeRunner = fake_command_runner.New()
		fakeQuotaManager = fake_quota_manager.New()
		fakePortPool = fake_port_pool.New(1000)

		pool = container_pool.New(
			"/root/path",
			"/depot/path",
			"/rootfs/path",
			fakeUIDPool,
			fakeNetworkPool,
			fakePortPool,
			[]string{"1.1.0.0/16", "2.2.0.0/16"},
			[]string{"1.1.1.1/32", "2.2.2.2/32"},
			fakeRunner,
			fakeQuotaManager,
		)
	})

	Describe("MaxContainer", func() {
		Context("when constrained by network pool size", func() {
			BeforeEach(func() {
				fakeNetworkPool.InitialPoolSize = 5
				fakeUIDPool.InitialPoolSize = 3000
			})

			It("returns the network pool size", func() {
Exemple #2
0
func main() {
	flag.Parse()

	maxProcs := runtime.NumCPU()
	prevMaxProcs := runtime.GOMAXPROCS(maxProcs)

	log.Println("set GOMAXPROCS to", maxProcs, "was", prevMaxProcs)

	if *binPath == "" {
		log.Fatalln("must specify -bin with linux backend")
	}

	if *depotPath == "" {
		log.Fatalln("must specify -depot with linux backend")
	}

	if *rootFSPath == "" {
		log.Fatalln("must specify -rootfs with linux backend")
	}

	uidPool := uid_pool.New(uint32(*uidPoolStart), uint32(*uidPoolSize))

	_, ipNet, err := net.ParseCIDR(*networkPool)
	if err != nil {
		log.Fatalln("error parsing CIDR:", err)
	}

	networkPool := network_pool.New(ipNet)

	// TODO: use /proc/sys/net/ipv4/ip_local_port_range by default (end + 1)
	portPool := port_pool.New(uint32(*portPoolStart), uint32(*portPoolSize))

	runner := linux_command_runner.New(*debug)

	quotaManager, err := quota_manager.New(*depotPath, *binPath, runner)
	if err != nil {
		log.Fatalln("error creating quota manager:", err)
	}

	if *disableQuotas {
		quotaManager.Disable()
	}

	pool := container_pool.New(
		*binPath,
		*depotPath,
		*rootFSPath,
		uidPool,
		networkPool,
		portPool,
		strings.Split(*denyNetworks, ","),
		strings.Split(*allowNetworks, ","),
		runner,
		quotaManager,
	)

	systemInfo := system_info.NewProvider(*depotPath)

	backend := linux_backend.New(pool, systemInfo, *snapshotsPath)

	log.Println("setting up backend")

	err = backend.Setup()
	if err != nil {
		log.Fatalln("failed to set up backend:", err)
	}

	log.Println("starting server; listening with", *listenNetwork, "on", *listenAddr)

	graceTime := *containerGraceTime

	wardenServer := server.New(*listenNetwork, *listenAddr, graceTime, backend)

	err = wardenServer.Start()
	if err != nil {
		log.Fatalln("failed to start:", err)
	}

	signals := make(chan os.Signal, 1)

	go func() {
		<-signals
		log.Println("stopping...")
		wardenServer.Stop()
		os.Exit(0)
	}()

	signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)

	select {}
}