func newStorage(t *testing.T) (*REST, *StatusREST, *tools.FakeEtcdClient, storage.Interface) {
fakeEtcdClient := tools.NewFakeEtcdClient(t)
fakeEtcdClient.TestIndex = true
etcdStorage := etcdstorage.NewEtcdStorage(fakeEtcdClient, latest.Codec, etcdtest.PathPrefix())
storage, statusStorage := NewStorage(etcdStorage)
return storage, statusStorage, fakeEtcdClient, etcdStorage
}
// startMasterOrDie starts a kubernetes master and an httpserver to handle api requests
func startMasterOrDie(masterConfig *master.Config) (*master.Master, *httptest.Server, *tools.EtcdHelper) {
var m *master.Master
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
var helper tools.EtcdHelper
var err error
if masterConfig == nil {
helper, err = master.NewEtcdHelper(NewEtcdClient(), "", etcdtest.PathPrefix())
if err != nil {
glog.Fatalf("Failed to create etcd helper for master %v", err)
}
masterConfig = &master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableLogsSupport: false,
EnableProfiling: true,
EnableUISupport: false,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
}
} else {
helper = masterConfig.EtcdHelper
}
m = master.New(masterConfig)
return m, s, &helper
}
func NewTestEventEtcdRegistry(t *testing.T) (*tools.FakeEtcdClient, generic.Registry) {
f := tools.NewFakeEtcdClient(t)
f.TestIndex = true
h := tools.NewEtcdHelper(f, testapi.Codec(), etcdtest.PathPrefix())
return f, NewEtcdRegistry(h, testTTL)
}
func TestSetObjWithoutResourceVersioner(t *testing.T) {
obj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
fakeClient := NewFakeEtcdClient(t)
helper := NewEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
helper.Versioner = nil
returnedObj := &api.Pod{}
err := helper.SetObj("/some/key", obj, returnedObj, 3)
key := etcdtest.AddPrefix("/some/key")
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
data, err := testapi.Codec().Encode(obj)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
expect := string(data)
got := fakeClient.Data[key].R.Node.Value
if expect != got {
t.Errorf("Wanted %v, got %v", expect, got)
}
if e, a := uint64(3), fakeClient.LastSetTTL; e != a {
t.Errorf("Wanted %v, got %v", e, a)
}
if obj.ResourceVersion != returnedObj.ResourceVersion || obj.Name != returnedObj.Name {
t.Errorf("If set was successful but returned object did not have correct resource version")
}
}
func TestWatchPurposefulShutdown(t *testing.T) {
fakeClient := tools.NewFakeEtcdClient(t)
h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
key := "/some/key"
prefixedKey := etcdtest.AddPrefix(key)
fakeClient.ExpectNotFoundGet(prefixedKey)
// Test purposeful shutdown
watching, err := h.Watch(key, 0, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
fakeClient.WaitForWatchCompletion()
watching.Stop()
// Did everything shut down?
if _, open := <-fakeClient.WatchResponse; open {
t.Errorf("A stop did not cause a graceful shutdown")
}
if _, open := <-watching.ResultChan(); open {
t.Errorf("An injected error did not cause a graceful shutdown")
}
}
func TestGuaranteedUpdateNoChange(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
fakeClient.TestIndex = true
helper := NewEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
key := etcdtest.AddPrefix("/some/key")
// Create a new node.
fakeClient.ExpectNotFoundGet(key)
obj := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
err := helper.GuaranteedUpdate("/some/key", &TestResource{}, true, SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
return obj, nil
}))
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
// Update an existing node with the same data
callbackCalled := false
objUpdate := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
err = helper.GuaranteedUpdate("/some/key", &TestResource{}, true, SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
fakeClient.Err = errors.New("should not be called")
callbackCalled = true
return objUpdate, nil
}))
if err != nil {
t.Fatalf("Unexpected error %#v", err)
}
if !callbackCalled {
t.Errorf("tryUpdate callback should have been called.")
}
}
func TestWatchFromNotFound(t *testing.T) {
fakeClient := tools.NewFakeEtcdClient(t)
key := "/some/key"
prefixedKey := etcdtest.AddPrefix(key)
fakeClient.Data[prefixedKey] = tools.EtcdResponseWithError{
R: &etcd.Response{
Node: nil,
},
E: &etcd.EtcdError{
Index: 2,
ErrorCode: 100,
},
}
h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
watching, err := h.Watch(key, 0, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
fakeClient.WaitForWatchCompletion()
if fakeClient.WatchIndex != 3 {
t.Errorf("Expected client to wait for %d, got %#v", 3, fakeClient)
}
watching.Stop()
}
func TestWatchEtcdError(t *testing.T) {
codec := latest.Codec
fakeClient := tools.NewFakeEtcdClient(t)
fakeClient.ExpectNotFoundGet("/some/key")
fakeClient.WatchImmediateError = fmt.Errorf("immediate error")
h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
watching, err := h.Watch("/some/key", 4, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
defer watching.Stop()
got := <-watching.ResultChan()
if got.Type != watch.Error {
t.Fatalf("Unexpected non-error")
}
status, ok := got.Object.(*api.Status)
if !ok {
t.Fatalf("Unexpected non-error object type")
}
if status.Message != "immediate error" {
t.Errorf("Unexpected wrong error")
}
if status.Status != api.StatusFailure {
t.Errorf("Unexpected wrong error status")
}
}
func TestGuaranteedUpdateKeyNotFound(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
fakeClient.TestIndex = true
helper := NewEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
key := etcdtest.AddPrefix("/some/key")
// Create a new node.
fakeClient.ExpectNotFoundGet(key)
obj := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
f := SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
return obj, nil
})
ignoreNotFound := false
err := helper.GuaranteedUpdate("/some/key", &TestResource{}, ignoreNotFound, f)
if err == nil {
t.Errorf("Expected error for key not found.")
}
ignoreNotFound = true
err = helper.GuaranteedUpdate("/some/key", &TestResource{}, ignoreNotFound, f)
if err != nil {
t.Errorf("Unexpected error %v.", err)
}
}
func NewTestEtcdRegistryWithPods(client tools.EtcdClient) *Registry {
helper := tools.NewEtcdHelper(client, latest.Codec, etcdtest.PathPrefix())
podStorage := podetcd.NewStorage(helper, nil)
endpointStorage := endpointetcd.NewStorage(helper)
registry := NewRegistry(helper, pod.NewRegistry(podStorage.Pod), endpoint.NewRegistry(endpointStorage))
return registry
}
func TestGetServersToValidate(t *testing.T) {
master := Master{}
config := Config{}
fakeClient := tools.NewFakeEtcdClient(t)
fakeClient.Machines = []string{"http://machine1:4001", "http://machine2", "http://machine3:4003"}
config.EtcdHelper = tools.NewEtcdHelper(fakeClient, latest.Codec, etcdtest.PathPrefix())
config.EtcdHelper.Versioner = nil
master.nodeRegistry = registrytest.NewMinionRegistry([]string{"node1", "node2"}, api.NodeResources{})
servers := master.getServersToValidate(&config, true)
if len(servers) != 7 {
t.Errorf("unexpected server list: %#v", servers)
}
for _, server := range []string{"scheduler", "controller-manager", "etcd-0", "etcd-1", "etcd-2", "node-0", "node-1"} {
if _, ok := servers[server]; !ok {
t.Errorf("server list missing: %s", server)
}
}
servers = master.getServersToValidate(&config, false)
if len(servers) != 5 {
t.Errorf("unexpected server list: %#v", servers)
}
for _, server := range []string{"scheduler", "controller-manager", "etcd-0", "etcd-1", "etcd-2"} {
if _, ok := servers[server]; !ok {
t.Errorf("server list missing: %s", server)
}
}
}
func runAMaster(t *testing.T) (*master.Master, *httptest.Server) {
helper, err := master.NewEtcdHelper(newEtcdClient(), testapi.Version(), etcdtest.PathPrefix())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
m := master.New(&master.Config{
EtcdHelper: helper,
KubeletClient: client.FakeKubeletClient{},
EnableCoreControllers: true,
EnableLogsSupport: false,
EnableProfiling: true,
EnableUISupport: false,
APIPrefix: "/api",
// Enable v1beta3 if we are testing that version.
EnableV1Beta3: testapi.Version() == "v1beta3",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
})
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
return m, s
}
func newStorage(t *testing.T) (*REST, *StatusREST, *tools.FakeEtcdClient, tools.EtcdHelper) {
fakeEtcdClient := tools.NewFakeEtcdClient(t)
fakeEtcdClient.TestIndex = true
helper := tools.NewEtcdHelper(fakeEtcdClient, latest.Codec, etcdtest.PathPrefix())
storage, statusStorage := NewStorage(helper)
return storage, statusStorage, fakeEtcdClient, helper
}
func TestWatch(t *testing.T) {
codec := latest.Codec
fakeClient := tools.NewFakeEtcdClient(t)
key := "/some/key"
prefixedKey := etcdtest.AddPrefix(key)
fakeClient.ExpectNotFoundGet(prefixedKey)
h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
watching, err := h.Watch(key, 0, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
fakeClient.WaitForWatchCompletion()
// when server returns not found, the watch index starts at the next value (1)
if fakeClient.WatchIndex != 1 {
t.Errorf("Expected client to be at index %d, got %#v", 1, fakeClient)
}
// Test normal case
pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
podBytes, _ := codec.Encode(pod)
fakeClient.WatchResponse <- &etcd.Response{
Action: "set",
Node: &etcd.Node{
Value: string(podBytes),
},
}
event := <-watching.ResultChan()
if e, a := watch.Added, event.Type; e != a {
t.Errorf("Expected %v, got %v", e, a)
}
if e, a := pod, event.Object; !api.Semantic.DeepDerivative(e, a) {
t.Errorf("Expected %v, got %v", e, a)
}
// Test error case
fakeClient.WatchInjectError <- fmt.Errorf("Injected error")
if errEvent, ok := <-watching.ResultChan(); !ok {
t.Errorf("no error result?")
} else {
if e, a := watch.Error, errEvent.Type; e != a {
t.Errorf("Expected %v, got %v", e, a)
}
if e, a := "Injected error", errEvent.Object.(*api.Status).Message; e != a {
t.Errorf("Expected %v, got %v", e, a)
}
}
// Did everything shut down?
if _, open := <-fakeClient.WatchResponse; open {
t.Errorf("An injected error did not cause a graceful shutdown")
}
if _, open := <-watching.ResultChan(); open {
t.Errorf("An injected error did not cause a graceful shutdown")
}
}
func TestCreateObjNilOutParam(t *testing.T) {
obj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
fakeClient := NewFakeEtcdClient(t)
helper := NewEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
err := helper.CreateObj("/some/key", obj, nil, 5)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
}
func TestSetNilOutParam(t *testing.T) {
obj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
fakeClient := tools.NewFakeEtcdClient(t)
helper := newEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
helper.versioner = nil
err := helper.Set("/some/key", obj, nil, 3)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
}
func TestSetObjFailCAS(t *testing.T) {
obj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "1"}}
fakeClient := NewFakeEtcdClient(t)
fakeClient.CasErr = fakeClient.NewError(123)
helper := NewEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
err := helper.SetObj("/some/key", obj, nil, 5)
if err == nil {
t.Errorf("Expecting error.")
}
}
func setup(t *testing.T) (*tools.FakeEtcdClient, tools.EtcdHelper, *REST) {
fakeEtcdClient := tools.NewFakeEtcdClient(t)
fakeEtcdClient.TestIndex = true
helper := tools.NewEtcdHelper(fakeEtcdClient, latest.Codec, etcdtest.PathPrefix())
imageStorage := imageetcd.NewREST(helper)
imageRegistry := image.NewRegistry(imageStorage)
imageStreamStorage, imageStreamStatus := imagestreametcd.NewREST(helper, testDefaultRegistry, &fakeSubjectAccessReviewRegistry{})
imageStreamRegistry := imagestream.NewRegistry(imageStreamStorage, imageStreamStatus)
storage := NewREST(imageRegistry, imageStreamRegistry)
return fakeEtcdClient, helper, storage
}
func TestGuaranteedUpdate(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
fakeClient.TestIndex = true
helper := NewEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
key := etcdtest.AddPrefix("/some/key")
// Create a new node.
fakeClient.ExpectNotFoundGet(key)
obj := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 1}
err := helper.GuaranteedUpdate("/some/key", &TestResource{}, true, SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
return obj, nil
}))
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
data, err := codec.Encode(obj)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
expect := string(data)
got := fakeClient.Data[key].R.Node.Value
if expect != got {
t.Errorf("Wanted %v, got %v", expect, got)
}
// Update an existing node.
callbackCalled := false
objUpdate := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: 2}
err = helper.GuaranteedUpdate("/some/key", &TestResource{}, true, SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
callbackCalled = true
if in.(*TestResource).Value != 1 {
t.Errorf("Callback input was not current set value")
}
return objUpdate, nil
}))
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
data, err = codec.Encode(objUpdate)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
expect = string(data)
got = fakeClient.Data[key].R.Node.Value
if expect != got {
t.Errorf("Wanted %v, got %v", expect, got)
}
if !callbackCalled {
t.Errorf("tryUpdate callback should have been called.")
}
}
func TestWatch(t *testing.T) {
client := framework.NewEtcdClient()
etcdStorage := tools.NewEtcdStorage(client, testapi.Codec(), etcdtest.PathPrefix())
framework.WithEtcdKey(func(key string) {
key = etcdtest.AddPrefix(key)
resp, err := client.Set(key, runtime.EncodeOrDie(testapi.Codec(), &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}), 0)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expectedVersion := resp.Node.ModifiedIndex
// watch should load the object at the current index
w, err := etcdStorage.Watch(key, 0, tools.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
event := <-w.ResultChan()
if event.Type != watch.Added || event.Object == nil {
t.Fatalf("expected first value to be set to ADDED, got %#v", event)
}
// version should match what we set
pod := event.Object.(*api.Pod)
if pod.ResourceVersion != strconv.FormatUint(expectedVersion, 10) {
t.Errorf("expected version %d, got %#v", expectedVersion, pod)
}
// should be no events in the stream
select {
case event, ok := <-w.ResultChan():
if !ok {
t.Fatalf("channel closed unexpectedly")
}
t.Fatalf("unexpected object in channel: %#v", event)
default:
}
// should return the previously deleted item in the watch, but with the latest index
resp, err = client.Delete(key, false)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expectedVersion = resp.Node.ModifiedIndex
event = <-w.ResultChan()
if event.Type != watch.Deleted {
t.Errorf("expected deleted event %#v", event)
}
pod = event.Object.(*api.Pod)
if pod.ResourceVersion != strconv.FormatUint(expectedVersion, 10) {
t.Errorf("expected version %d, got %#v", expectedVersion, pod)
}
})
}
func TestGuaranteedUpdate_CreateCollision(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
fakeClient.TestIndex = true
helper := NewEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
key := etcdtest.AddPrefix("/some/key")
fakeClient.ExpectNotFoundGet(key)
const concurrency = 10
var wgDone sync.WaitGroup
var wgForceCollision sync.WaitGroup
wgDone.Add(concurrency)
wgForceCollision.Add(concurrency)
for i := 0; i < concurrency; i++ {
// Increment TestResource.Value by 1
go func() {
defer wgDone.Done()
firstCall := true
err := helper.GuaranteedUpdate("/some/key", &TestResource{}, true, SimpleUpdate(func(in runtime.Object) (runtime.Object, error) {
defer func() { firstCall = false }()
if firstCall {
// Force collision by joining all concurrent GuaranteedUpdate operations here.
wgForceCollision.Done()
wgForceCollision.Wait()
}
currValue := in.(*TestResource).Value
obj := &TestResource{ObjectMeta: api.ObjectMeta{Name: "foo"}, Value: currValue + 1}
return obj, nil
}))
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
}()
}
wgDone.Wait()
// Check that stored TestResource has received all updates.
body := fakeClient.Data[key].R.Node.Value
stored := &TestResource{}
if err := codec.DecodeInto([]byte(body), stored); err != nil {
t.Errorf("Error decoding stored value: %v", body)
}
if stored.Value != concurrency {
t.Errorf("Some of the writes were lost. Stored value: %d", stored.Value)
}
}
func TestWatchListIgnoresRootKey(t *testing.T) {
codec := latest.Codec
pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
key := "/some/key"
prefixedKey := etcdtest.AddPrefix(key)
fakeClient := tools.NewFakeEtcdClient(t)
h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
watching, err := h.WatchList(key, 1, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
fakeClient.WaitForWatchCompletion()
// This is the root directory of the watch, which happens to have a value encoded
fakeClient.WatchResponse <- &etcd.Response{
Action: "delete",
PrevNode: &etcd.Node{
Key: prefixedKey,
Value: runtime.EncodeOrDie(codec, pod),
CreatedIndex: 1,
ModifiedIndex: 1,
},
}
// Delete of the parent directory of a key is an event that a list watch would receive,
// but will have no value so the decode will fail.
fakeClient.WatchResponse <- &etcd.Response{
Action: "delete",
PrevNode: &etcd.Node{
Key: prefixedKey,
Value: "",
CreatedIndex: 1,
ModifiedIndex: 1,
},
}
close(fakeClient.WatchStop)
// the existing node is detected and the index set
_, open := <-watching.ResultChan()
if open {
t.Fatalf("unexpected channel open")
}
watching.Stop()
}
func TestPrefixEtcdKey(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
prefix := path.Join("/", etcdtest.PathPrefix())
helper := NewEtcdHelper(fakeClient, testapi.Codec(), prefix)
baseKey := "/some/key"
// Verify prefix is added
keyBefore := baseKey
keyAfter := helper.PrefixEtcdKey(keyBefore)
assert.Equal(t, keyAfter, path.Join(prefix, baseKey), "Prefix incorrectly added by EtcdHelper")
// Verify prefix is not added
keyBefore = path.Join(prefix, baseKey)
keyAfter = helper.PrefixEtcdKey(keyBefore)
assert.Equal(t, keyBefore, keyAfter, "Prefix incorrectly added by EtcdHelper")
}
func TestExtractObjNotFoundErr(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
helper := NewEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
key1 := etcdtest.AddPrefix("/some/key")
fakeClient.Data[key1] = EtcdResponseWithError{
R: &etcd.Response{
Node: nil,
},
E: &etcd.EtcdError{
ErrorCode: 100,
},
}
key2 := etcdtest.AddPrefix("/some/key2")
fakeClient.Data[key2] = EtcdResponseWithError{
R: &etcd.Response{
Node: nil,
},
}
key3 := etcdtest.AddPrefix("/some/key3")
fakeClient.Data[key3] = EtcdResponseWithError{
R: &etcd.Response{
Node: &etcd.Node{
Value: "",
},
},
}
try := func(key string) {
var got api.Pod
err := helper.ExtractObj(key, &got, false)
if err == nil {
t.Errorf("%s: wanted error but didn't get one", key)
}
err = helper.ExtractObj(key, &got, true)
if err != nil {
t.Errorf("%s: didn't want error but got %#v", key, err)
}
}
try("/some/key")
try("/some/key2")
try("/some/key3")
}
func TestWatchFromOtherError(t *testing.T) {
fakeClient := tools.NewFakeEtcdClient(t)
key := "/some/key"
prefixedKey := etcdtest.AddPrefix(key)
fakeClient.Data[prefixedKey] = tools.EtcdResponseWithError{
R: &etcd.Response{
Node: nil,
},
E: &etcd.EtcdError{
Index: 2,
ErrorCode: 101,
},
}
h := newEtcdHelper(fakeClient, codec, etcdtest.PathPrefix())
watching, err := h.Watch(key, 0, storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
errEvent := <-watching.ResultChan()
if e, a := watch.Error, errEvent.Type; e != a {
t.Errorf("Expected %v, got %v", e, a)
}
if e, a := "101: () [2]", errEvent.Object.(*api.Status).Message; e != a {
t.Errorf("Expected %v, got %v", e, a)
}
select {
case _, ok := <-watching.ResultChan():
if ok {
t.Fatalf("expected result channel to be closed")
}
case <-time.After(1 * time.Second):
t.Fatalf("watch should have closed channel: %#v", watching)
}
if fakeClient.WatchResponse != nil || fakeClient.WatchIndex != 0 {
t.Fatalf("Watch should not have been invoked: %#v", fakeClient)
}
}
func TestExtractObj(t *testing.T) {
fakeClient := NewFakeEtcdClient(t)
helper := NewEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
key := etcdtest.AddPrefix("/some/key")
expect := api.Pod{
ObjectMeta: api.ObjectMeta{Name: "foo"},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSClusterFirst,
},
}
fakeClient.Set(key, runtime.EncodeOrDie(testapi.Codec(), &expect), 0)
var got api.Pod
err := helper.ExtractObj("/some/key", &got, false)
if err != nil {
t.Errorf("Unexpected error %#v", err)
}
if !reflect.DeepEqual(got, expect) {
t.Errorf("Wanted %#v, got %#v", expect, got)
}
}
func NewTestGenericEtcdRegistry(t *testing.T) (*tools.FakeEtcdClient, *Etcd) {
f := tools.NewFakeEtcdClient(t)
f.TestIndex = true
h := tools.NewEtcdHelper(f, testapi.Codec(), etcdtest.PathPrefix())
strategy := &testRESTStrategy{api.Scheme, api.SimpleNameGenerator, true, false}
podPrefix := "/pods"
return f, &Etcd{
NewFunc: func() runtime.Object { return &api.Pod{} },
NewListFunc: func() runtime.Object { return &api.PodList{} },
EndpointName: "pods",
CreateStrategy: strategy,
UpdateStrategy: strategy,
KeyRootFunc: func(ctx api.Context) string {
return podPrefix
},
KeyFunc: func(ctx api.Context, id string) (string, error) {
return path.Join(podPrefix, id), nil
},
ObjectNameFunc: func(obj runtime.Object) (string, error) { return obj.(*api.Pod).Name, nil },
Helper: h,
}
}
// Benchmark pod listing by waiting on `Tasks` listers to list `Pods` pods via `Workers`.
func BenchmarkPodListEtcd(b *testing.B) {
b.StopTimer()
m := framework.NewMasterComponents(&framework.Config{nil, true, false, 250.0, 500})
defer m.Stop(true, true)
numPods, numTasks, iter := getPods(b.N), getTasks(b.N), getIterations(b.N)
podsPerNode := numPods / numTasks
if podsPerNode < 1 {
podsPerNode = 1
}
startPodsOnNodes(numPods, numTasks, m.RestClient)
// Stop the rc manager so it doesn't steal resources
m.Stop(false, true)
glog.Infof("Starting benchmark: b.N %d, pods %d, workers %d, podsPerNode %d",
b.N, numPods, numTasks, podsPerNode)
ctx := api.WithNamespace(api.NewContext(), framework.TestNS)
key := etcdgeneric.NamespaceKeyRootFunc(ctx, fmt.Sprintf("%s/pods", etcdtest.PathPrefix()))
b.StartTimer()
for i := 0; i < iter; i++ {
framework.RunParallel(func(id int) error {
now := time.Now()
defer func() {
glog.V(3).Infof("Worker %d: listing pods took %v", id, time.Since(now))
}()
if response, err := m.EtcdHelper.Client.Get(key, true, true); err != nil {
return err
} else if len(response.Node.Nodes) < podsPerNode {
glog.Fatalf("List retrieved %d pods, which is less than %d", len(response.Node.Nodes), podsPerNode)
}
return nil
}, numTasks, Workers)
}
b.StopTimer()
}
// TODO: Merge this into startMasterOrDie.
func RunAMaster(t *testing.T) (*master.Master, *httptest.Server) {
etcdStorage, err := master.NewEtcdStorage(NewEtcdClient(), testapi.Version(), etcdtest.PathPrefix())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
m := master.New(&master.Config{
DatabaseStorage: etcdStorage,
KubeletClient: client.FakeKubeletClient{},
EnableLogsSupport: false,
EnableProfiling: true,
EnableUISupport: false,
APIPrefix: "/api",
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admit.NewAlwaysAdmit(),
})
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.Handler.ServeHTTP(w, req)
}))
return m, s
}
func TestSetObjWithVersion(t *testing.T) {
obj := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "1"}}
fakeClient := NewFakeEtcdClient(t)
fakeClient.TestIndex = true
helper := NewEtcdHelper(fakeClient, testapi.Codec(), etcdtest.PathPrefix())
key := etcdtest.AddPrefix("/some/key")
fakeClient.Data[key] = EtcdResponseWithError{
R: &etcd.Response{
Node: &etcd.Node{
Value: runtime.EncodeOrDie(testapi.Codec(), obj),
ModifiedIndex: 1,
},
},
}
returnedObj := &api.Pod{}
err := helper.SetObj("/some/key", obj, returnedObj, 7)
if err != nil {
t.Fatalf("Unexpected error %#v", err)
}
data, err := testapi.Codec().Encode(obj)
if err != nil {
t.Fatalf("Unexpected error %#v", err)
}
expect := string(data)
got := fakeClient.Data[key].R.Node.Value
if expect != got {
t.Errorf("Wanted %v, got %v", expect, got)
}
if e, a := uint64(7), fakeClient.LastSetTTL; e != a {
t.Errorf("Wanted %v, got %v", e, a)
}
if obj.ResourceVersion != returnedObj.ResourceVersion || obj.Name != returnedObj.Name {
t.Errorf("If set was successful but returned object did not have correct resource version")
}
}