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 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 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 TestMigrateKeys(t *testing.T) {
withEtcdKey(func(oldPrefix string) {
client := newEtcdClient()
helper := tools.NewEtcdHelper(client, testapi.Codec(), oldPrefix)
key1 := oldPrefix + "/obj1"
key2 := oldPrefix + "/foo/obj2"
key3 := oldPrefix + "/foo/bar/obj3"
// Create a new entres - these are the 'existing' entries with old prefix
_, _ = helper.Client.Create(key1, "foo", 0)
_, _ = helper.Client.Create(key2, "foo", 0)
_, _ = helper.Client.Create(key3, "foo", 0)
// Change the helper to a new prefix
newPrefix := "/qingyuan"
helper = tools.NewEtcdHelper(client, testapi.Codec(), newPrefix)
// Migrate the keys
err := helper.MigrateKeys(oldPrefix)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Check the resources are at the correct new location
newNames := []string{
newPrefix + "/obj1",
newPrefix + "/foo/obj2",
newPrefix + "/foo/bar/obj3",
}
for _, name := range newNames {
_, err := helper.Client.Get(name, false, false)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
}
// Check the old locations are removed
if _, err := helper.Client.Get(oldPrefix, false, false); err == nil {
t.Fatalf("Old directory still exists.")
}
})
}
// NewEtcdHelper returns an EtcdHelper for the provided arguments or an error if the version
// is incorrect.
func NewEtcdHelper(client tools.EtcdGetSet, version string, prefix string) (helper tools.EtcdHelper, err error) {
if version == "" {
version = latest.Version
}
versionInterfaces, err := latest.InterfacesFor(version)
if err != nil {
return helper, err
}
return tools.NewEtcdHelper(client, versionInterfaces.Codec, prefix), nil
}
func TestWatch(t *testing.T) {
client := framework.NewEtcdClient()
helper := tools.NewEtcdHelper(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 := helper.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 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)
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 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, true}
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,
}
}
func newHelper(t *testing.T) (*tools.FakeEtcdClient, tools.EtcdHelper) {
fakeEtcdClient := tools.NewFakeEtcdClient(t)
fakeEtcdClient.TestIndex = true
helper := tools.NewEtcdHelper(fakeEtcdClient, testapi.Codec(), etcdtest.PathPrefix())
return fakeEtcdClient, helper
}
func NewTestEtcdRegistry(client tools.EtcdClient) *Registry {
helper := tools.NewEtcdHelper(client, latest.Codec, etcdtest.PathPrefix())
registry := NewRegistry(helper, nil, nil)
return registry
}