Ejemplo n.º 1
0
func setupBaseImage() {
	eng, err := engine.New(unitTestStoreBase)
	if err != nil {
		log.Fatalf("Can't initialize engine at %s: %s", unitTestStoreBase, err)
	}
	job := eng.Job("initserver")
	job.Setenv("Root", unitTestStoreBase)
	job.SetenvBool("Autorestart", false)
	job.Setenv("BridgeIface", unitTestNetworkBridge)
	if err := job.Run(); err != nil {
		log.Fatalf("Unable to create a runtime for tests: %s", err)
	}

	job = eng.Job("inspect", unitTestImageName, "image")
	img, _ := job.Stdout.AddEnv()
	// If the unit test is not found, try to download it.
	if err := job.Run(); err != nil || img.Get("id") != unitTestImageID {
		// Retrieve the Image
		job = eng.Job("pull", unitTestImageName)
		job.Stdout.Add(utils.NopWriteCloser(os.Stdout))
		if err := job.Run(); err != nil {
			log.Fatalf("Unable to pull the test image: %s", err)
		}
	}
}
Ejemplo n.º 2
0
func NewTestEngine(t utils.Fataler) *engine.Engine {
	root, err := newTestDirectory(unitTestStoreBase)
	if err != nil {
		t.Fatal(err)
	}
	eng, err := engine.New(root)
	if err != nil {
		t.Fatal(err)
	}
	// Load default plugins
	// (This is manually copied and modified from main() until we have a more generic plugin system)
	job := eng.Job("initserver")
	job.Setenv("Root", root)
	job.SetenvBool("AutoRestart", false)
	// TestGetEnabledCors and TestOptionsRoute require EnableCors=true
	job.SetenvBool("EnableCors", true)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}
	return eng
}
Ejemplo n.º 3
0
// Create a temporary runtime suitable for unit testing.
// Call t.Fatal() at the first error.
func mkRuntime(f utils.Fataler) *docker.Runtime {
	root, err := newTestDirectory(unitTestStoreBase)
	if err != nil {
		f.Fatal(err)
	}
	config := &docker.DaemonConfig{
		Root:        root,
		AutoRestart: false,
		Mtu:         docker.DefaultNetworkMtu,
	}

	eng, err := engine.New(root)
	if err != nil {
		f.Fatal(err)
	}

	r, err := docker.NewRuntimeFromDirectory(config, eng)
	if err != nil {
		f.Fatal(err)
	}
	return r
}
Ejemplo n.º 4
0
func TestRestartKillWait(t *testing.T) {
	eng := NewTestEngine(t)
	srv := mkServerFromEngine(eng, t)
	runtime := mkRuntimeFromEngine(eng, t)
	defer runtime.Nuke()

	config, hostConfig, _, err := docker.ParseRun([]string{"-i", unitTestImageID, "/bin/cat"}, nil)
	if err != nil {
		t.Fatal(err)
	}

	id := createTestContainer(eng, config, t)

	job := eng.Job("containers")
	job.SetenvBool("all", true)
	outs, err := job.Stdout.AddListTable()
	if err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	if len(outs.Data) != 1 {
		t.Errorf("Expected 1 container, %v found", len(outs.Data))
	}

	job = eng.Job("start", id)
	if err := job.ImportEnv(hostConfig); err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}
	job = eng.Job("kill", id)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	eng, err = engine.New(eng.Root())
	if err != nil {
		t.Fatal(err)
	}

	job = eng.Job("initserver")
	job.Setenv("Root", eng.Root())
	job.SetenvBool("AutoRestart", false)
	// TestGetEnabledCors and TestOptionsRoute require EnableCors=true
	job.SetenvBool("EnableCors", true)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	srv = mkServerFromEngine(eng, t)

	job = srv.Eng.Job("containers")
	job.SetenvBool("all", true)
	outs, err = job.Stdout.AddListTable()
	if err != nil {
		t.Fatal(err)
	}
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	if len(outs.Data) != 1 {
		t.Errorf("Expected 1 container, %v found", len(outs.Data))
	}

	setTimeout(t, "Waiting on stopped container timedout", 5*time.Second, func() {
		job = srv.Eng.Job("wait", outs.Data[0].Get("Id"))
		var statusStr string
		job.Stdout.AddString(&statusStr)
		if err := job.Run(); err != nil {
			t.Fatal(err)
		}
	})
}
Ejemplo n.º 5
0
func TestReloadContainerLinks(t *testing.T) {
	// FIXME: here we don't use NewTestEngine because it calls initserver with Autorestart=false,
	// and we want to set it to true.
	root, err := newTestDirectory(unitTestStoreBase)
	if err != nil {
		t.Fatal(err)
	}
	eng, err := engine.New(root)
	if err != nil {
		t.Fatal(err)
	}
	job := eng.Job("initserver")
	job.Setenv("Root", eng.Root())
	job.SetenvBool("Autorestart", true)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	runtime1 := mkRuntimeFromEngine(eng, t)
	defer nuke(runtime1)
	// Create a container with one instance of docker
	container1, _, _ := mkContainer(runtime1, []string{"-i", "_", "/bin/sh"}, t)
	defer runtime1.Destroy(container1)

	// Create a second container meant to be killed
	container2, _, _ := mkContainer(runtime1, []string{"-i", "_", "/bin/cat"}, t)
	defer runtime1.Destroy(container2)

	// Start the container non blocking
	if err := container2.Start(); err != nil {
		t.Fatal(err)
	}
	// Add a link to container 2
	// FIXME @shykes: setting hostConfig.Links seems redundant with calling RegisterLink().
	// Why do we need it @crosbymichael?
	// container1.hostConfig.Links = []string{"/" + container2.ID + ":first"}
	if err := runtime1.RegisterLink(container1, container2, "first"); err != nil {
		t.Fatal(err)
	}
	if err := container1.Start(); err != nil {
		t.Fatal(err)
	}

	if !container2.State.IsRunning() {
		t.Fatalf("Container %v should appear as running but isn't", container2.ID)
	}

	if !container1.State.IsRunning() {
		t.Fatalf("Container %s should appear as running but isn't", container1.ID)
	}

	if len(runtime1.List()) != 2 {
		t.Errorf("Expected 2 container, %v found", len(runtime1.List()))
	}

	// Here are are simulating a docker restart - that is, reloading all containers
	// from scratch
	eng, err = engine.New(root)
	if err != nil {
		t.Fatal(err)
	}
	job = eng.Job("initserver")
	job.Setenv("Root", eng.Root())
	job.SetenvBool("Autorestart", false)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	runtime2 := mkRuntimeFromEngine(eng, t)
	if len(runtime2.List()) != 2 {
		t.Errorf("Expected 2 container, %v found", len(runtime2.List()))
	}
	runningCount := 0
	for _, c := range runtime2.List() {
		if c.State.IsRunning() {
			runningCount++
		}
	}
	if runningCount != 2 {
		t.Fatalf("Expected 2 container alive, %d found", runningCount)
	}

	// FIXME: we no longer test if containers were registered in the right order,
	// because there is no public
	// Make sure container 2 ( the child of container 1 ) was registered and started first
	// with the runtime
	//
	containers := runtime2.List()
	if len(containers) == 0 {
		t.Fatalf("Runtime has no containers")
	}
	first := containers[0]
	if first.ID != container2.ID {
		t.Fatalf("Container 2 %s should be registered first in the runtime", container2.ID)
	}

	// Verify that the link is still registered in the runtime
	if c := runtime2.Get(container1.Name); c == nil {
		t.Fatal("Named container is no longer registered after restart")
	}
}
Ejemplo n.º 6
0
func TestRestore(t *testing.T) {
	eng := NewTestEngine(t)
	runtime1 := mkRuntimeFromEngine(eng, t)
	defer runtime1.Nuke()
	// Create a container with one instance of docker
	container1, _, _ := mkContainer(runtime1, []string{"_", "ls", "-al"}, t)
	defer runtime1.Destroy(container1)

	// Create a second container meant to be killed
	container2, _, _ := mkContainer(runtime1, []string{"-i", "_", "/bin/cat"}, t)
	defer runtime1.Destroy(container2)

	// Start the container non blocking
	if err := container2.Start(); err != nil {
		t.Fatal(err)
	}

	if !container2.State.IsRunning() {
		t.Fatalf("Container %v should appear as running but isn't", container2.ID)
	}

	// Simulate a crash/manual quit of dockerd: process dies, states stays 'Running'
	cStdin, _ := container2.StdinPipe()
	cStdin.Close()
	if err := container2.WaitTimeout(2 * time.Second); err != nil {
		t.Fatal(err)
	}
	container2.State.SetRunning(42)
	container2.ToDisk()

	if len(runtime1.List()) != 2 {
		t.Errorf("Expected 2 container, %v found", len(runtime1.List()))
	}
	if err := container1.Run(); err != nil {
		t.Fatal(err)
	}

	if !container2.State.IsRunning() {
		t.Fatalf("Container %v should appear as running but isn't", container2.ID)
	}

	// Here are are simulating a docker restart - that is, reloading all containers
	// from scratch
	root := eng.Root()
	eng, err := engine.New(root)
	if err != nil {
		t.Fatal(err)
	}
	job := eng.Job("initserver")
	job.Setenv("Root", eng.Root())
	job.SetenvBool("Autorestart", false)
	if err := job.Run(); err != nil {
		t.Fatal(err)
	}

	runtime2 := mkRuntimeFromEngine(eng, t)
	if len(runtime2.List()) != 2 {
		t.Errorf("Expected 2 container, %v found", len(runtime2.List()))
	}
	runningCount := 0
	for _, c := range runtime2.List() {
		if c.State.IsRunning() {
			t.Errorf("Running container found: %v (%v)", c.ID, c.Path)
			runningCount++
		}
	}
	if runningCount != 0 {
		t.Fatalf("Expected 0 container alive, %d found", runningCount)
	}
	container3 := runtime2.Get(container1.ID)
	if container3 == nil {
		t.Fatal("Unable to Get container")
	}
	if err := container3.Run(); err != nil {
		t.Fatal(err)
	}
	container2.State.SetStopped(0)
}
Ejemplo n.º 7
0
func main() {
	if selfPath := utils.SelfPath(); selfPath == "/sbin/init" || selfPath == "/.dockerinit" {
		// Running in init mode
		sysinit.SysInit()
		return
	}

	var (
		flVersion            = flag.Bool([]string{"v", "-version"}, false, "Print version information and quit")
		flDaemon             = flag.Bool([]string{"d", "-daemon"}, false, "Enable daemon mode")
		flDebug              = flag.Bool([]string{"D", "-debug"}, false, "Enable debug mode")
		flAutoRestart        = flag.Bool([]string{"r", "-restart"}, true, "Restart previously running containers")
		bridgeName           = flag.String([]string{"b", "-bridge"}, "", "Attach containers to a pre-existing network bridge; use 'none' to disable container networking")
		bridgeIp             = flag.String([]string{"#bip", "-bip"}, "", "Use this CIDR notation address for the network bridge's IP, not compatible with -b")
		pidfile              = flag.String([]string{"p", "-pidfile"}, "/var/run/docker.pid", "Path to use for daemon PID file")
		flRoot               = flag.String([]string{"g", "-graph"}, "/var/lib/docker", "Path to use as the root of the docker runtime")
		flEnableCors         = flag.Bool([]string{"#api-enable-cors", "-api-enable-cors"}, false, "Enable CORS headers in the remote API")
		flDns                = docker.NewListOpts(docker.ValidateIp4Address)
		flEnableIptables     = flag.Bool([]string{"#iptables", "-iptables"}, true, "Disable docker's addition of iptables rules")
		flEnableIpForward    = flag.Bool([]string{"#ip-forward", "-ip-forward"}, true, "Disable enabling of net.ipv4.ip_forward")
		flDefaultIp          = flag.String([]string{"#ip", "-ip"}, "0.0.0.0", "Default IP address to use when binding container ports")
		flInterContainerComm = flag.Bool([]string{"#icc", "-icc"}, true, "Enable inter-container communication")
		flGraphDriver        = flag.String([]string{"s", "-storage-driver"}, "", "Force the docker runtime to use a specific storage driver")
		flHosts              = docker.NewListOpts(docker.ValidateHost)
		flMtu                = flag.Int([]string{"#mtu", "-mtu"}, docker.DefaultNetworkMtu, "Set the containers network mtu")
	)
	flag.Var(&flDns, []string{"#dns", "-dns"}, "Force docker to use specific DNS servers")
	flag.Var(&flHosts, []string{"H", "-host"}, "tcp://host:port, unix://path/to/socket, fd://* or fd://socketfd to use in daemon mode. Multiple sockets can be specified")

	flag.Parse()

	if *flVersion {
		showVersion()
		return
	}
	if flHosts.Len() == 0 {
		defaultHost := os.Getenv("DOCKER_HOST")

		if defaultHost == "" || *flDaemon {
			// If we do not have a host, default to unix socket
			defaultHost = fmt.Sprintf("unix://%s", api.DEFAULTUNIXSOCKET)
		}
		flHosts.Set(defaultHost)
	}

	if *bridgeName != "" && *bridgeIp != "" {
		log.Fatal("You specified -b & --bip, mutually exclusive options. Please specify only one.")
	}

	if *flDebug {
		os.Setenv("DEBUG", "1")
	}
	docker.GITCOMMIT = GITCOMMIT
	docker.VERSION = VERSION
	if *flDaemon {
		if flag.NArg() != 0 {
			flag.Usage()
			return
		}

		eng, err := engine.New(*flRoot)
		if err != nil {
			log.Fatal(err)
		}
		// Load plugin: httpapi
		job := eng.Job("initserver")
		job.Setenv("Pidfile", *pidfile)
		job.Setenv("Root", *flRoot)
		job.SetenvBool("AutoRestart", *flAutoRestart)
		job.SetenvList("Dns", flDns.GetAll())
		job.SetenvBool("EnableIptables", *flEnableIptables)
		job.SetenvBool("EnableIpForward", *flEnableIpForward)
		job.Setenv("BridgeIface", *bridgeName)
		job.Setenv("BridgeIP", *bridgeIp)
		job.Setenv("DefaultIp", *flDefaultIp)
		job.SetenvBool("InterContainerCommunication", *flInterContainerComm)
		job.Setenv("GraphDriver", *flGraphDriver)
		job.SetenvInt("Mtu", *flMtu)
		if err := job.Run(); err != nil {
			log.Fatal(err)
		}
		// Serve api
		job = eng.Job("serveapi", flHosts.GetAll()...)
		job.SetenvBool("Logging", true)
		job.SetenvBool("EnableCors", *flEnableCors)
		job.Setenv("Version", VERSION)
		if err := job.Run(); err != nil {
			log.Fatal(err)
		}
	} else {
		if flHosts.Len() > 1 {
			log.Fatal("Please specify only one -H")
		}
		protoAddrParts := strings.SplitN(flHosts.GetAll()[0], "://", 2)
		if err := docker.ParseCommands(protoAddrParts[0], protoAddrParts[1], flag.Args()...); err != nil {
			if sterr, ok := err.(*utils.StatusError); ok {
				if sterr.Status != "" {
					log.Println(sterr.Status)
				}
				os.Exit(sterr.StatusCode)
			}
			log.Fatal(err)
		}
	}
}