// 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
}
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"))
}
})
}
