Golang spdy.NewRoundTripper函数代码示例

func TestServePortForwardIdleTimeout(t *testing.T) {
	fw := newServerTest()

	fw.fakeKubelet.streamingConnectionIdleTimeoutFunc = func() time.Duration {
		return 100 * time.Millisecond
	}

	podNamespace := "other"
	podName := "foo"

	url := fw.testHTTPServer.URL + "/portForward/" + podNamespace + "/" + podName

	upgradeRoundTripper := spdy.NewRoundTripper(nil)
	c := &http.Client{Transport: upgradeRoundTripper}

	resp, err := c.Post(url, "", nil)
	if err != nil {
		t.Fatalf("Got error POSTing: %v", err)
	}
	defer resp.Body.Close()

	conn, err := upgradeRoundTripper.NewConnection(resp)
	if err != nil {
		t.Fatalf("Unexpected error creating streaming connection: %s", err)
	}
	if conn == nil {
		t.Fatal("Unexpected nil connection")
	}
	defer conn.Close()

	<-conn.CloseChan()
}

// maybeWrapForConnectionUpgrades wraps the roundtripper for upgrades.  The bool indicates if it was wrapped
func (r *proxyHandler) maybeWrapForConnectionUpgrades(rt http.RoundTripper, req *http.Request) (http.RoundTripper, bool, error) {
	connectionHeader := req.Header.Get("Connection")
	if len(connectionHeader) == 0 {
		return rt, false, nil
	}

	cfg := r.getRESTConfig()
	tlsConfig, err := restclient.TLSConfigFor(cfg)
	if err != nil {
		return nil, true, err
	}
	upgradeRoundTripper := spdy.NewRoundTripper(tlsConfig)
	wrappedRT, err := restclient.HTTPWrappersForConfig(cfg, upgradeRoundTripper)
	if err != nil {
		return nil, true, err
	}

	return wrappedRT, true, nil
}

// NewExecutor connects to the provided server and upgrades the connection to
// multiplexed bidirectional streams. The current implementation uses SPDY,
// but this could be replaced with HTTP/2 once it's available, or something else.
// TODO: the common code between this and portforward could be abstracted.
func NewExecutor(config *restclient.Config, method string, url *url.URL) (StreamExecutor, error) {
	tlsConfig, err := restclient.TLSConfigFor(config)
	if err != nil {
		return nil, err
	}

	upgradeRoundTripper := spdy.NewRoundTripper(tlsConfig)
	wrapper, err := restclient.HTTPWrappersForConfig(config, upgradeRoundTripper)
	if err != nil {
		return nil, err
	}

	return &streamExecutor{
		upgrader:  upgradeRoundTripper,
		transport: wrapper,
		method:    method,
		url:       url,
	}, nil
}

func (h *binaryInstantiateHandler) handle(r io.Reader) (runtime.Object, error) {
	h.options.Name = h.name
	if err := rest.BeforeCreate(BinaryStrategy, h.ctx, h.options); err != nil {
		glog.Infof("failed to validate binary: %#v", h.options)
		return nil, err
	}

	request := &buildapi.BuildRequest{}
	request.Name = h.name
	if len(h.options.Commit) > 0 {
		request.Revision = &buildapi.SourceRevision{
			Git: &buildapi.GitSourceRevision{
				Committer: buildapi.SourceControlUser{
					Name:  h.options.CommitterName,
					Email: h.options.CommitterEmail,
				},
				Author: buildapi.SourceControlUser{
					Name:  h.options.AuthorName,
					Email: h.options.AuthorEmail,
				},
				Message: h.options.Message,
				Commit:  h.options.Commit,
			},
		}
	}
	request.Binary = &buildapi.BinaryBuildSource{
		AsFile: h.options.AsFile,
	}
	build, err := h.r.Generator.Instantiate(h.ctx, request)
	if err != nil {
		glog.Infof("failed to instantiate: %#v", request)
		return nil, err
	}

	latest, ok, err := registry.WaitForRunningBuild(h.r.Watcher, h.ctx, build, h.r.Timeout)
	if err != nil {
		switch latest.Status.Phase {
		case buildapi.BuildPhaseError:
			return nil, errors.NewBadRequest(fmt.Sprintf("build %s encountered an error: %s", build.Name, buildutil.NoBuildLogsMessage))
		case buildapi.BuildPhaseCancelled:
			return nil, errors.NewBadRequest(fmt.Sprintf("build %s was cancelled: %s", build.Name, buildutil.NoBuildLogsMessage))
		}
		return nil, errors.NewBadRequest(fmt.Sprintf("unable to wait for build %s to run: %v", build.Name, err))
	}
	if !ok {
		return nil, errors.NewTimeoutError(fmt.Sprintf("timed out waiting for build %s to start after %s", build.Name, h.r.Timeout), 0)
	}
	if latest.Status.Phase != buildapi.BuildPhaseRunning {
		return nil, errors.NewBadRequest(fmt.Sprintf("build %s is no longer running, cannot upload file: %s", build.Name, build.Status.Phase))
	}

	// The container should be the default build container, so setting it to blank
	buildPodName := buildutil.GetBuildPodName(build)
	opts := &kapi.PodAttachOptions{
		Stdin: true,
	}
	location, transport, err := pod.AttachLocation(h.r.PodGetter, h.r.ConnectionInfo, h.ctx, buildPodName, opts)
	if err != nil {
		if errors.IsNotFound(err) {
			return nil, errors.NewNotFound(kapi.Resource("pod"), buildPodName)
		}
		return nil, errors.NewBadRequest(err.Error())
	}
	rawTransport, ok := transport.(*http.Transport)
	if !ok {
		return nil, errors.NewInternalError(fmt.Errorf("unable to connect to node, unrecognized type: %v", reflect.TypeOf(transport)))
	}
	upgrader := spdy.NewRoundTripper(rawTransport.TLSClientConfig)
	exec, err := remotecommand.NewStreamExecutor(upgrader, nil, "POST", location)
	if err != nil {
		return nil, errors.NewInternalError(fmt.Errorf("unable to connect to server: %v", err))
	}
	if err := exec.Stream(r, nil, nil, false); err != nil {
		return nil, errors.NewInternalError(err)
	}
	return latest, nil
}

//.........这里部分代码省略.........

			return nil
		}

		var url string
		if test.uid {
			url = fw.testHTTPServer.URL + "/exec/" + podNamespace + "/" + podName + "/" + expectedUid + "/" + expectedContainerName + "?command=ls&command=-a"
		} else {
			url = fw.testHTTPServer.URL + "/exec/" + podNamespace + "/" + podName + "/" + expectedContainerName + "?command=ls&command=-a"
		}
		if test.stdin {
			url += "&" + api.ExecStdinParam + "=1"
		}
		if test.stdout {
			url += "&" + api.ExecStdoutParam + "=1"
		}
		if test.stderr && !test.tty {
			url += "&" + api.ExecStderrParam + "=1"
		}
		if test.tty {
			url += "&" + api.ExecTTYParam + "=1"
		}

		var (
			resp                *http.Response
			err                 error
			upgradeRoundTripper httpstream.UpgradeRoundTripper
			c                   *http.Client
		)

		if test.responseStatusCode != http.StatusSwitchingProtocols {
			c = &http.Client{}
		} else {
			upgradeRoundTripper = spdy.NewRoundTripper(nil)
			c = &http.Client{Transport: upgradeRoundTripper}
		}

		resp, err = c.Post(url, "", nil)
		if err != nil {
			t.Fatalf("%d: Got error POSTing: %v", i, err)
		}
		defer resp.Body.Close()

		_, err = ioutil.ReadAll(resp.Body)
		if err != nil {
			t.Errorf("%d: Error reading response body: %v", i, err)
		}

		if e, a := test.responseStatusCode, resp.StatusCode; e != a {
			t.Fatalf("%d: response status: expected %v, got %v", i, e, a)
		}

		if test.responseStatusCode != http.StatusSwitchingProtocols {
			continue
		}

		conn, err := upgradeRoundTripper.NewConnection(resp)
		if err != nil {
			t.Fatalf("Unexpected error creating streaming connection: %s", err)
		}
		if conn == nil {
			t.Fatalf("%d: unexpected nil conn", i)
		}
		defer conn.Close()

		h := http.Header{}

func TestServePortForward(t *testing.T) {
	tests := []struct {
		port          string
		uid           bool
		clientData    string
		containerData string
		shouldError   bool
	}{
		{port: "", shouldError: true},
		{port: "abc", shouldError: true},
		{port: "-1", shouldError: true},
		{port: "65536", shouldError: true},
		{port: "0", shouldError: true},
		{port: "1", shouldError: false},
		{port: "8000", shouldError: false},
		{port: "8000", clientData: "client data", containerData: "container data", shouldError: false},
		{port: "65535", shouldError: false},
		{port: "65535", uid: true, shouldError: false},
	}

	podNamespace := "other"
	podName := "foo"
	expectedPodName := getPodName(podName, podNamespace)
	expectedUid := "9b01b80f-8fb4-11e4-95ab-4200af06647"

	for i, test := range tests {
		fw := newServerTest()

		fw.fakeKubelet.streamingConnectionIdleTimeoutFunc = func() time.Duration {
			return 0
		}

		portForwardFuncDone := make(chan struct{})

		fw.fakeKubelet.portForwardFunc = func(name string, uid types.UID, port uint16, stream io.ReadWriteCloser) error {
			defer close(portForwardFuncDone)

			if e, a := expectedPodName, name; e != a {
				t.Fatalf("%d: pod name: expected '%v', got '%v'", i, e, a)
			}

			if e, a := expectedUid, uid; test.uid && e != string(a) {
				t.Fatalf("%d: uid: expected '%v', got '%v'", i, e, a)
			}

			p, err := strconv.ParseUint(test.port, 10, 16)
			if err != nil {
				t.Fatalf("%d: error parsing port string '%s': %v", i, test.port, err)
			}
			if e, a := uint16(p), port; e != a {
				t.Fatalf("%d: port: expected '%v', got '%v'", i, e, a)
			}

			if test.clientData != "" {
				fromClient := make([]byte, 32)
				n, err := stream.Read(fromClient)
				if err != nil {
					t.Fatalf("%d: error reading client data: %v", i, err)
				}
				if e, a := test.clientData, string(fromClient[0:n]); e != a {
					t.Fatalf("%d: client data: expected to receive '%v', got '%v'", i, e, a)
				}
			}

			if test.containerData != "" {
				_, err := stream.Write([]byte(test.containerData))
				if err != nil {
					t.Fatalf("%d: error writing container data: %v", i, err)
				}
			}

			return nil
		}

		var url string
		if test.uid {
			url = fmt.Sprintf("%s/portForward/%s/%s/%s", fw.testHTTPServer.URL, podNamespace, podName, expectedUid)
		} else {
			url = fmt.Sprintf("%s/portForward/%s/%s", fw.testHTTPServer.URL, podNamespace, podName)
		}

		upgradeRoundTripper := spdy.NewRoundTripper(nil)
		c := &http.Client{Transport: upgradeRoundTripper}

		resp, err := c.Post(url, "", nil)
		if err != nil {
			t.Fatalf("%d: Got error POSTing: %v", i, err)
		}
		defer resp.Body.Close()

		conn, err := upgradeRoundTripper.NewConnection(resp)
		if err != nil {
			t.Fatalf("Unexpected error creating streaming connection: %s", err)
		}
		if conn == nil {
			t.Fatalf("%d: Unexpected nil connection", i)
		}
		defer conn.Close()

		headers := http.Header{}
//.........这里部分代码省略.........