Beispiel #1
0
// ProxyGet returns a response of the service by calling it through the proxy.
func (c *services) ProxyGet(scheme, name, port, path string, params map[string]string) ResponseWrapper {
	request := c.r.Get().
		Prefix("proxy").
		Namespace(c.ns).
		Resource("services").
		Name(util.JoinSchemeNamePort(scheme, name, port)).
		Suffix(path)
	for k, v := range params {
		request = request.Param(k, v)
	}
	return request
}
Beispiel #2
0
func proxyContext(version string) {
	f := NewFramework("proxy")
	prefix := "/api/" + version

	// Port here has to be kept in sync with default kubelet port.
	It("should proxy logs on node with explicit kubelet port", func() { nodeProxyTest(f, version, ":10250/logs/") })

	It("should proxy logs on node", func() { nodeProxyTest(f, version, "/logs/") })

	It("should proxy to cadvisor", func() { nodeProxyTest(f, version, ":4194/containers/") })

	It("should proxy through a service and a pod", func() {
		labels := map[string]string{"proxy-service-target": "true"}
		service, err := f.Client.Services(f.Namespace.Name).Create(&api.Service{
			ObjectMeta: api.ObjectMeta{
				GenerateName: "proxy-service-",
			},
			Spec: api.ServiceSpec{
				Selector: labels,
				Ports: []api.ServicePort{
					{
						Name:       "portname1",
						Port:       80,
						TargetPort: util.NewIntOrStringFromString("dest1"),
					},
					{
						Name:       "portname2",
						Port:       81,
						TargetPort: util.NewIntOrStringFromInt(162),
					},
					{
						Name:       "tlsportname1",
						Port:       443,
						TargetPort: util.NewIntOrStringFromString("tlsdest1"),
					},
					{
						Name:       "tlsportname2",
						Port:       444,
						TargetPort: util.NewIntOrStringFromInt(462),
					},
				},
			},
		})
		Expect(err).NotTo(HaveOccurred())
		defer func(name string) {
			err := f.Client.Services(f.Namespace.Name).Delete(name)
			if err != nil {
				Logf("Failed deleting service %v: %v", name, err)
			}
		}(service.Name)

		// Make an RC with a single pod.
		pods := []*api.Pod{}
		cfg := RCConfig{
			Client:       f.Client,
			Image:        "gcr.io/google_containers/porter:cd5cb5791ebaa8641955f0e8c2a9bed669b1eaab",
			Name:         service.Name,
			Namespace:    f.Namespace.Name,
			Replicas:     1,
			PollInterval: time.Second,
			Env: map[string]string{
				"SERVE_PORT_80":  `<a href="/rewriteme">test</a>`,
				"SERVE_PORT_160": "foo",
				"SERVE_PORT_162": "bar",

				"SERVE_TLS_PORT_443": `<a href="/tlsrewriteme">test</a>`,
				"SERVE_TLS_PORT_460": `tls baz`,
				"SERVE_TLS_PORT_462": `tls qux`,
			},
			Ports: map[string]int{
				"dest1": 160,
				"dest2": 162,

				"tlsdest1": 460,
				"tlsdest2": 462,
			},
			Labels:      labels,
			CreatedPods: &pods,
		}
		Expect(RunRC(cfg)).NotTo(HaveOccurred())
		defer DeleteRC(f.Client, f.Namespace.Name, cfg.Name)

		Expect(f.WaitForAnEndpoint(service.Name)).NotTo(HaveOccurred())

		// Try proxying through the service and directly to through the pod.
		svcProxyURL := func(scheme, port string) string {
			return prefix + "/proxy/namespaces/" + f.Namespace.Name + "/services/" + util.JoinSchemeNamePort(scheme, service.Name, port)
		}
		podProxyURL := func(scheme, port string) string {
			return prefix + "/proxy/namespaces/" + f.Namespace.Name + "/pods/" + util.JoinSchemeNamePort(scheme, pods[0].Name, port)
		}
		subresourcePodProxyURL := func(scheme, port string) string {
			return prefix + "/namespaces/" + f.Namespace.Name + "/pods/" + util.JoinSchemeNamePort(scheme, pods[0].Name, port) + "/proxy"
		}
		expectations := map[string]string{
			svcProxyURL("", "portname1") + "/": "foo",
			svcProxyURL("", "portname2") + "/": "bar",

			svcProxyURL("http", "portname1") + "/": "foo",
			svcProxyURL("http", "portname2") + "/": "bar",

			svcProxyURL("https", "tlsportname1") + "/": "tls baz",
			svcProxyURL("https", "tlsportname2") + "/": "tls qux",

			podProxyURL("", "80") + "/":  `<a href="` + podProxyURL("", "80") + `/rewriteme">test</a>`,
			podProxyURL("", "160") + "/": "foo",
			podProxyURL("", "162") + "/": "bar",

			podProxyURL("http", "80") + "/":  `<a href="` + podProxyURL("http", "80") + `/rewriteme">test</a>`,
			podProxyURL("http", "160") + "/": "foo",
			podProxyURL("http", "162") + "/": "bar",

			subresourcePodProxyURL("", "") + "/":        `<a href="` + subresourcePodProxyURL("", "") + `/rewriteme">test</a>`,
			subresourcePodProxyURL("", "80") + "/":      `<a href="` + subresourcePodProxyURL("", "80") + `/rewriteme">test</a>`,
			subresourcePodProxyURL("http", "80") + "/":  `<a href="` + subresourcePodProxyURL("http", "80") + `/rewriteme">test</a>`,
			subresourcePodProxyURL("", "160") + "/":     "foo",
			subresourcePodProxyURL("http", "160") + "/": "foo",
			subresourcePodProxyURL("", "162") + "/":     "bar",
			subresourcePodProxyURL("http", "162") + "/": "bar",

			subresourcePodProxyURL("https", "443") + "/": `<a href="` + subresourcePodProxyURL("https", "443") + `/tlsrewriteme">test</a>`,
			subresourcePodProxyURL("https", "460") + "/": "tls baz",
			subresourcePodProxyURL("https", "462") + "/": "tls qux",
			// TODO: below entries don't work, but I believe we should make them work.
			// svcPrefix + ":80": "foo",
			// svcPrefix + ":81": "bar",
			// podPrefix + ":dest1": "foo",
			// podPrefix + ":dest2": "bar",
		}

		wg := sync.WaitGroup{}
		errors := []string{}
		errLock := sync.Mutex{}
		recordError := func(s string) {
			errLock.Lock()
			defer errLock.Unlock()
			errors = append(errors, s)
		}
		for i := 0; i < proxyAttempts; i++ {
			for path, val := range expectations {
				wg.Add(1)
				go func(i int, path, val string) {
					defer wg.Done()
					body, status, d, err := doProxy(f, path)
					if err != nil {
						recordError(fmt.Sprintf("%v: path %v gave error: %v", i, path, err))
						return
					}
					if status != http.StatusOK {
						recordError(fmt.Sprintf("%v: path %v gave status: %v", i, path, status))
					}
					if e, a := val, string(body); e != a {
						recordError(fmt.Sprintf("%v: path %v: wanted %v, got %v", i, path, e, a))
					}
					if d > 15*time.Second {
						recordError(fmt.Sprintf("%v: path %v took %v > 15s", i, path, d))
					}
				}(i, path, val)
				// default QPS is 5
				time.Sleep(200 * time.Millisecond)
			}
		}
		wg.Wait()

		if len(errors) != 0 {
			Fail(strings.Join(errors, "\n"))
		}
	})
}