// TestSecrets tests apiserver-side behavior of creation of secret objects and their use by pods.
func TestSecrets(t *testing.T) {
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
})
framework.DeleteAllEtcdKeys()
client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})
DoTestSecrets(t, client, testapi.Version())
}
// TestUnknownUserIsUnauthorized tests that a user who is unknown
// to the authentication system get status code "Unauthorized".
// An authorization module is installed in this scenario for integration
// test purposes, but requests aren't expected to reach it.
func TestUnknownUserIsUnauthorized(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
// enable v1beta3 if we are testing that api version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authenticator: getTestTokenAuth(),
Authorizer: allowAliceAuthorizer{},
AdmissionControl: admit.NewAlwaysAdmit(),
})
transport := http.DefaultTransport
for _, r := range getTestRequests() {
token := UnknownToken
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
// Expect all of unauthenticated user's request to be "Unauthorized"
if resp.StatusCode != http.StatusUnauthorized {
t.Logf("case %v", r)
t.Errorf("Expected status %v, but got %v", http.StatusUnauthorized, resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
t.Errorf("Body: %v", string(b))
}
}()
}
}
// TestBobIsForbidden tests that a user who is known to
// the authentication system but not authorized to do any actions
// should receive "Forbidden".
func TestBobIsForbidden(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
etcdStorage, err := framework.NewEtcdStorage()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
DatabaseStorage: etcdStorage,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
Authenticator: getTestTokenAuth(),
Authorizer: allowAliceAuthorizer{},
AdmissionControl: admit.NewAlwaysAdmit(),
})
transport := http.DefaultTransport
for _, r := range getTestRequests() {
token := BobToken
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
// Expect all of bob's actions to return Forbidden
if resp.StatusCode != http.StatusForbidden {
t.Logf("case %v", r)
t.Errorf("Expected not status Forbidden, but got %s", resp.Status)
}
}()
}
}
func TestAuthModeAlwaysDeny(t *testing.T) {
framework.DeleteAllEtcdKeys()
// Set up a master
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
// enable v1beta3 if we are testing that api version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authorizer: apiserver.NewAlwaysDenyAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
})
transport := http.DefaultTransport
for _, r := range getTestRequests() {
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
if resp.StatusCode != http.StatusForbidden {
t.Logf("case %v", r)
t.Errorf("Expected status Forbidden but got status %v", resp.Status)
}
}()
}
}
func init() {
q := flag.Int("bench-quiet", 3, "Quietness, don't glog severities <= given level during the benchmark.")
pods := flag.Int("bench-pods", -1, "Number of pods for the benchmark. If unspecified, uses b.N.")
workers := flag.Int("bench-workers", -1, "Number workers for the benchmark. If unspecified, uses tasks.")
tasks := flag.Int("bench-tasks", -1, "Number of tasks for the benchmark. These tasks are sharded across the workers. If unspecified, uses b.N.")
flag.Parse()
// Unfortunately this v level goes in the opposite direction as stderrthreshold.
flag.Set("v", fmt.Sprintf("%d", *q))
// We need quiet logs to parse benchmark results, which includes Errorf.
flag.Set("logtostderr", "false")
flag.Set("stderrthreshold", fmt.Sprintf("%d", Glog_fatalf-*q))
Pods = *pods
Workers = *workers
Tasks = *tasks
framework.DeleteAllEtcdKeys()
}
func TestUnschedulableNodes(t *testing.T) {
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("Couldn't create etcd helper: %v", err)
}
framework.DeleteAllEtcdKeys()
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
// Enable v1beta3 if we are testing that version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
})
restClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})
schedulerConfigFactory := factory.NewConfigFactory(restClient)
schedulerConfig, err := schedulerConfigFactory.Create()
if err != nil {
t.Fatalf("Couldn't create scheduler config: %v", err)
}
eventBroadcaster := record.NewBroadcaster()
schedulerConfig.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
eventBroadcaster.StartRecordingToSink(restClient.Events(""))
scheduler.New(schedulerConfig).Run()
defer close(schedulerConfig.StopEverything)
DoTestUnschedulableNodes(t, restClient, schedulerConfigFactory.NodeLister.Store)
}
// TestKindAuthorization tests that authorization can be controlled
// by namespace.
func TestKindAuthorization(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
a := newAuthorizerWithContents(t, `{"resource": "services"}
`)
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
// enable v1beta3 if we are testing that api version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authenticator: getTestTokenAuth(),
Authorizer: a,
AdmissionControl: admit.NewAlwaysAdmit(),
})
previousResourceVersion := make(map[string]float64)
transport := http.DefaultTransport
requests := []struct {
verb string
URL string
body string
statusCodes map[int]bool // allowed status codes.
}{
{"POST", timeoutPath("services", api.NamespaceDefault, ""), aService, code201},
{"GET", path("services", api.NamespaceDefault, ""), "", code200},
{"GET", path("services", api.NamespaceDefault, "a"), "", code200},
{"DELETE", timeoutPath("services", api.NamespaceDefault, "a"), "", code200},
{"POST", timeoutPath("pods", api.NamespaceDefault, ""), aPod, code403},
{"GET", path("pods", "", ""), "", code403},
{"GET", path("pods", api.NamespaceDefault, "a"), "", code403},
{"DELETE", timeoutPath("pods", api.NamespaceDefault, "a"), "", code403},
}
for _, r := range requests {
token := BobToken
var bodyStr string
if r.body != "" {
bodyStr = fmt.Sprintf(r.body, "")
if r.verb == "PUT" && r.body != "" {
// For update operations, insert previous resource version
if resVersion := previousResourceVersion[getPreviousResourceVersionKey(r.URL, "")]; resVersion != 0 {
resourceVersionJson := fmt.Sprintf(",\r\n\"resourceVersion\": \"%v\"", resVersion)
bodyStr = fmt.Sprintf(r.body, resourceVersionJson)
}
}
}
r.body = bodyStr
bodyBytes := bytes.NewReader([]byte(bodyStr))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
{
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
b, _ := ioutil.ReadAll(resp.Body)
if _, ok := r.statusCodes[resp.StatusCode]; !ok {
t.Logf("case %v", r)
t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
t.Errorf("Body: %v", string(b))
} else {
if r.verb == "POST" {
// For successful create operations, extract resourceVersion
id, currentResourceVersion, err := parseResourceVersion(b)
if err == nil {
key := getPreviousResourceVersionKey(r.URL, id)
previousResourceVersion[key] = currentResourceVersion
}
}
}
}
}
}
// TestAliceNotForbiddenOrUnauthorized tests a user who is known to
// the authentication system and authorized to do any actions.
func TestAliceNotForbiddenOrUnauthorized(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
// enable v1beta3 if we are testing that api version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authenticator: getTestTokenAuth(),
Authorizer: allowAliceAuthorizer{},
AdmissionControl: admit.NewAlwaysAdmit(),
})
previousResourceVersion := make(map[string]float64)
transport := http.DefaultTransport
for _, r := range getTestRequests() {
token := AliceToken
var bodyStr string
if r.body != "" {
sub := ""
if r.verb == "PUT" {
// For update operations, insert previous resource version
if resVersion := previousResourceVersion[getPreviousResourceVersionKey(r.URL, "")]; resVersion != 0 {
sub += fmt.Sprintf(",\r\n\"resourceVersion\": \"%v\"", resVersion)
}
namespace := "default"
sub += fmt.Sprintf(",\r\n\"namespace\": %q", namespace)
}
bodyStr = fmt.Sprintf(r.body, sub)
}
r.body = bodyStr
bodyBytes := bytes.NewReader([]byte(bodyStr))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
if r.verb == "PATCH" {
req.Header.Set("Content-Type", "application/merge-patch+json")
}
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
b, _ := ioutil.ReadAll(resp.Body)
if _, ok := r.statusCodes[resp.StatusCode]; !ok {
t.Logf("case %v", r)
t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
t.Errorf("Body: %v", string(b))
} else {
if r.verb == "POST" {
// For successful create operations, extract resourceVersion
id, currentResourceVersion, err := parseResourceVersion(b)
if err == nil {
key := getPreviousResourceVersionKey(r.URL, id)
previousResourceVersion[key] = currentResourceVersion
}
}
}
}()
}
}
// TestReadOnlyAuthorization tests that authorization can be controlled
// by namespace.
func TestReadOnlyAuthorization(t *testing.T) {
framework.DeleteAllEtcdKeys()
// This file has alice and bob in it.
// Set up a master
helper, err := framework.NewHelper()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
a := newAuthorizerWithContents(t, `{"readonly": true}`)
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
defer s.Close()
m = master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableUISupport: false,
EnableIndex: true,
APIPrefix: "/api",
// enable v1beta3 if we are testing that api version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authenticator: getTestTokenAuth(),
Authorizer: a,
AdmissionControl: admit.NewAlwaysAdmit(),
})
transport := http.DefaultTransport
requests := []struct {
verb string
URL string
body string
statusCodes map[int]bool // allowed status codes.
}{
{"POST", path("pods", "", ""), aPod, code403},
{"GET", path("pods", "", ""), "", code200},
{"GET", path("pods", api.NamespaceDefault, "a"), "", code404},
}
for _, r := range requests {
token := BobToken
bodyBytes := bytes.NewReader([]byte(r.body))
req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
func() {
resp, err := transport.RoundTrip(req)
defer resp.Body.Close()
if err != nil {
t.Logf("case %v", r)
t.Fatalf("unexpected error: %v", err)
}
if _, ok := r.statusCodes[resp.StatusCode]; !ok {
t.Logf("case %v", r)
t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
t.Errorf("Body: %v", string(b))
}
}()
}
}
func TestClient(t *testing.T) {
_, s := framework.RunAMaster(t)
defer s.Close()
ns := api.NamespaceDefault
framework.DeleteAllEtcdKeys()
client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})
info, err := client.ServerVersion()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := version.Get(), *info; !reflect.DeepEqual(e, a) {
t.Errorf("expected %#v, got %#v", e, a)
}
pods, err := client.Pods(ns).List(labels.Everything(), fields.Everything())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(pods.Items) != 0 {
t.Errorf("expected no pods, got %#v", pods)
}
// get a validation error
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
GenerateName: "test",
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "test",
},
},
},
}
got, err := client.Pods(ns).Create(pod)
if err == nil {
t.Fatalf("unexpected non-error: %v", got)
}
// get a created pod
pod.Spec.Containers[0].Image = "an-image"
got, err = client.Pods(ns).Create(pod)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if got.Name == "" {
t.Errorf("unexpected empty pod Name %v", got)
}
// pod is shown, but not scheduled
pods, err = client.Pods(ns).List(labels.Everything(), fields.Everything())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if len(pods.Items) != 1 {
t.Errorf("expected one pod, got %#v", pods)
}
actual := pods.Items[0]
if actual.Name != got.Name {
t.Errorf("expected pod %#v, got %#v", got, actual)
}
if actual.Spec.NodeName != "" {
t.Errorf("expected pod to be unscheduled, got %#v", actual)
}
}
func TestMultiWatch(t *testing.T) {
// Disable this test as long as it demonstrates a problem.
// TODO: Reenable this test when we get #6059 resolved.
return
const watcherCount = 50
runtime.GOMAXPROCS(watcherCount)
framework.DeleteAllEtcdKeys()
defer framework.DeleteAllEtcdKeys()
_, s := framework.RunAMaster(t)
defer s.Close()
ns := api.NamespaceDefault
client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})
dummyEvent := func(i int) *api.Event {
name := fmt.Sprintf("unrelated-%v", i)
return &api.Event{
ObjectMeta: api.ObjectMeta{
Name: fmt.Sprintf("%v.%x", name, time.Now().UnixNano()),
Namespace: ns,
},
InvolvedObject: api.ObjectReference{
Name: name,
Namespace: ns,
},
Reason: fmt.Sprintf("unrelated change %v", i),
}
}
type timePair struct {
t time.Time
name string
}
receivedTimes := make(chan timePair, watcherCount*2)
watchesStarted := sync.WaitGroup{}
// make a bunch of pods and watch them
for i := 0; i < watcherCount; i++ {
watchesStarted.Add(1)
name := fmt.Sprintf("multi-watch-%v", i)
got, err := client.Pods(ns).Create(&api.Pod{
ObjectMeta: api.ObjectMeta{
Name: name,
Labels: labels.Set{"watchlabel": name},
},
Spec: api.PodSpec{
Containers: []api.Container{{
Name: "nothing",
Image: "kubernetes/pause",
}},
},
})
if err != nil {
t.Fatalf("Couldn't make %v: %v", name, err)
}
go func(name, rv string) {
w, err := client.Pods(ns).Watch(
labels.Set{"watchlabel": name}.AsSelector(),
fields.Everything(),
rv,
)
if err != nil {
panic(fmt.Sprintf("watch error for %v: %v", name, err))
}
defer w.Stop()
watchesStarted.Done()
e, ok := <-w.ResultChan() // should get the update (that we'll do below)
if !ok {
panic(fmt.Sprintf("%v ended early?", name))
}
if e.Type != watch.Modified {
panic(fmt.Sprintf("Got unexpected watch notification:\n%v: %+v %+v", name, e, e.Object))
}
receivedTimes <- timePair{time.Now(), name}
}(name, got.ObjectMeta.ResourceVersion)
}
log.Printf("%v: %v pods made and watchers started", time.Now(), watcherCount)
// wait for watches to start before we start spamming the system with
// objects below, otherwise we'll hit the watch window restriction.
watchesStarted.Wait()
const (
useEventsAsUnrelatedType = false
usePodsAsUnrelatedType = true
)
// make a bunch of unrelated changes in parallel
if useEventsAsUnrelatedType {
const unrelatedCount = 3000
var wg sync.WaitGroup
defer wg.Wait()
changeToMake := make(chan int, unrelatedCount*2)
changeMade := make(chan int, unrelatedCount*2)
go func() {
for i := 0; i < unrelatedCount; i++ {
changeToMake <- i
}
close(changeToMake)
}()
for i := 0; i < 50; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for {
i, ok := <-changeToMake
if !ok {
return
}
if _, err := client.Events(ns).Create(dummyEvent(i)); err != nil {
panic(fmt.Sprintf("couldn't make an event: %v", err))
}
changeMade <- i
}
}()
}
for i := 0; i < 2000; i++ {
<-changeMade
if (i+1)%50 == 0 {
log.Printf("%v: %v unrelated changes made", time.Now(), i+1)
}
}
}
if usePodsAsUnrelatedType {
const unrelatedCount = 3000
var wg sync.WaitGroup
defer wg.Wait()
changeToMake := make(chan int, unrelatedCount*2)
changeMade := make(chan int, unrelatedCount*2)
go func() {
for i := 0; i < unrelatedCount; i++ {
changeToMake <- i
}
close(changeToMake)
}()
for i := 0; i < 50; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for {
i, ok := <-changeToMake
if !ok {
return
}
name := fmt.Sprintf("unrelated-%v", i)
_, err := client.Pods(ns).Create(&api.Pod{
ObjectMeta: api.ObjectMeta{
Name: name,
},
Spec: api.PodSpec{
Containers: []api.Container{{
Name: "nothing",
Image: "kubernetes/pause",
}},
},
})
if err != nil {
panic(fmt.Sprintf("couldn't make unrelated pod: %v", err))
}
changeMade <- i
}
}()
}
for i := 0; i < 2000; i++ {
<-changeMade
if (i+1)%50 == 0 {
log.Printf("%v: %v unrelated changes made", time.Now(), i+1)
}
}
}
// Now we still have changes being made in parallel, but at least 1000 have been made.
// Make some updates to send down the watches.
sentTimes := make(chan timePair, watcherCount*2)
for i := 0; i < watcherCount; i++ {
go func(i int) {
name := fmt.Sprintf("multi-watch-%v", i)
pod, err := client.Pods(ns).Get(name)
if err != nil {
panic(fmt.Sprintf("Couldn't get %v: %v", name, err))
}
pod.Spec.Containers[0].Image = "kubernetes/pause:1"
sentTimes <- timePair{time.Now(), name}
if _, err := client.Pods(ns).Update(pod); err != nil {
panic(fmt.Sprintf("Couldn't make %v: %v", name, err))
}
}(i)
}
sent := map[string]time.Time{}
for i := 0; i < watcherCount; i++ {
tp := <-sentTimes
sent[tp.name] = tp.t
}
log.Printf("all changes made")
dur := map[string]time.Duration{}
for i := 0; i < watcherCount; i++ {
tp := <-receivedTimes
delta := tp.t.Sub(sent[tp.name])
dur[tp.name] = delta
log.Printf("%v: %v", tp.name, delta)
}
log.Printf("all watches ended")
t.Errorf("durations: %v", dur)
}