311 lines
9.0 KiB
Go
311 lines
9.0 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package etcd
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/api/errors"
|
|
"k8s.io/kubernetes/pkg/apis/autoscaling"
|
|
"k8s.io/kubernetes/pkg/fields"
|
|
"k8s.io/kubernetes/pkg/labels"
|
|
"k8s.io/kubernetes/pkg/registry/generic"
|
|
"k8s.io/kubernetes/pkg/registry/registrytest"
|
|
"k8s.io/kubernetes/pkg/runtime"
|
|
etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
|
|
"k8s.io/kubernetes/pkg/util/diff"
|
|
)
|
|
|
|
const (
|
|
namespace = api.NamespaceDefault
|
|
name = "foo"
|
|
)
|
|
|
|
func newStorage(t *testing.T) (ControllerStorage, *etcdtesting.EtcdTestServer) {
|
|
etcdStorage, server := registrytest.NewEtcdStorage(t, "")
|
|
restOptions := generic.RESTOptions{Storage: etcdStorage, Decorator: generic.UndecoratedStorage, DeleteCollectionWorkers: 1}
|
|
storage := NewStorage(restOptions)
|
|
return storage, server
|
|
}
|
|
|
|
// createController is a helper function that returns a controller with the updated resource version.
|
|
func createController(storage *REST, rc api.ReplicationController, t *testing.T) (api.ReplicationController, error) {
|
|
ctx := api.WithNamespace(api.NewContext(), rc.Namespace)
|
|
obj, err := storage.Create(ctx, &rc)
|
|
if err != nil {
|
|
t.Errorf("Failed to create controller, %v", err)
|
|
}
|
|
newRc := obj.(*api.ReplicationController)
|
|
return *newRc, nil
|
|
}
|
|
|
|
func validNewController() *api.ReplicationController {
|
|
return &api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: name,
|
|
Namespace: namespace,
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Selector: map[string]string{"a": "b"},
|
|
Template: &api.PodTemplateSpec{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Labels: map[string]string{"a": "b"},
|
|
},
|
|
Spec: api.PodSpec{
|
|
Containers: []api.Container{
|
|
{
|
|
Name: "test",
|
|
Image: "test_image",
|
|
ImagePullPolicy: api.PullIfNotPresent,
|
|
},
|
|
},
|
|
RestartPolicy: api.RestartPolicyAlways,
|
|
DNSPolicy: api.DNSClusterFirst,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
var validController = validNewController()
|
|
|
|
func TestCreate(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
test := registrytest.New(t, storage.Controller.Store)
|
|
controller := validNewController()
|
|
controller.ObjectMeta = api.ObjectMeta{}
|
|
test.TestCreate(
|
|
// valid
|
|
controller,
|
|
// invalid (invalid selector)
|
|
&api.ReplicationController{
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 2,
|
|
Selector: map[string]string{},
|
|
Template: validController.Spec.Template,
|
|
},
|
|
},
|
|
)
|
|
}
|
|
|
|
func TestUpdate(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
test := registrytest.New(t, storage.Controller.Store)
|
|
test.TestUpdate(
|
|
// valid
|
|
validNewController(),
|
|
// valid updateFunc
|
|
func(obj runtime.Object) runtime.Object {
|
|
object := obj.(*api.ReplicationController)
|
|
object.Spec.Replicas = object.Spec.Replicas + 1
|
|
return object
|
|
},
|
|
// invalid updateFunc
|
|
func(obj runtime.Object) runtime.Object {
|
|
object := obj.(*api.ReplicationController)
|
|
object.Name = ""
|
|
return object
|
|
},
|
|
func(obj runtime.Object) runtime.Object {
|
|
object := obj.(*api.ReplicationController)
|
|
object.Spec.Selector = map[string]string{}
|
|
return object
|
|
},
|
|
)
|
|
}
|
|
|
|
func TestDelete(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
test := registrytest.New(t, storage.Controller.Store)
|
|
test.TestDelete(validNewController())
|
|
}
|
|
|
|
func TestGenerationNumber(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
modifiedSno := *validNewController()
|
|
modifiedSno.Generation = 100
|
|
modifiedSno.Status.ObservedGeneration = 10
|
|
ctx := api.NewDefaultContext()
|
|
rc, err := createController(storage.Controller, modifiedSno, t)
|
|
ctrl, err := storage.Controller.Get(ctx, rc.Name)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
controller, _ := ctrl.(*api.ReplicationController)
|
|
|
|
// Generation initialization
|
|
if controller.Generation != 1 && controller.Status.ObservedGeneration != 0 {
|
|
t.Fatalf("Unexpected generation number %v, status generation %v", controller.Generation, controller.Status.ObservedGeneration)
|
|
}
|
|
|
|
// Updates to spec should increment the generation number
|
|
controller.Spec.Replicas += 1
|
|
storage.Controller.Update(ctx, controller)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
ctrl, err = storage.Controller.Get(ctx, rc.Name)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
controller, _ = ctrl.(*api.ReplicationController)
|
|
if controller.Generation != 2 || controller.Status.ObservedGeneration != 0 {
|
|
t.Fatalf("Unexpected generation, spec: %v, status: %v", controller.Generation, controller.Status.ObservedGeneration)
|
|
}
|
|
|
|
// Updates to status should not increment either spec or status generation numbers
|
|
controller.Status.Replicas += 1
|
|
storage.Controller.Update(ctx, controller)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
ctrl, err = storage.Controller.Get(ctx, rc.Name)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
controller, _ = ctrl.(*api.ReplicationController)
|
|
if controller.Generation != 2 || controller.Status.ObservedGeneration != 0 {
|
|
t.Fatalf("Unexpected generation number, spec: %v, status: %v", controller.Generation, controller.Status.ObservedGeneration)
|
|
}
|
|
}
|
|
|
|
func TestGet(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
test := registrytest.New(t, storage.Controller.Store)
|
|
test.TestGet(validNewController())
|
|
}
|
|
|
|
func TestList(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
test := registrytest.New(t, storage.Controller.Store)
|
|
test.TestList(validNewController())
|
|
}
|
|
|
|
func TestWatch(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
test := registrytest.New(t, storage.Controller.Store)
|
|
test.TestWatch(
|
|
validController,
|
|
// matching labels
|
|
[]labels.Set{
|
|
{"a": "b"},
|
|
},
|
|
// not matching labels
|
|
[]labels.Set{
|
|
{"a": "c"},
|
|
{"foo": "bar"},
|
|
},
|
|
// matching fields
|
|
[]fields.Set{
|
|
{"status.replicas": "0"},
|
|
{"metadata.name": "foo"},
|
|
{"status.replicas": "0", "metadata.name": "foo"},
|
|
},
|
|
// not matchin fields
|
|
[]fields.Set{
|
|
{"status.replicas": "10"},
|
|
{"metadata.name": "bar"},
|
|
{"name": "foo"},
|
|
{"status.replicas": "10", "metadata.name": "foo"},
|
|
{"status.replicas": "0", "metadata.name": "bar"},
|
|
},
|
|
)
|
|
}
|
|
|
|
//TODO TestUpdateStatus
|
|
|
|
func TestScaleGet(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
|
|
ctx := api.WithNamespace(api.NewContext(), namespace)
|
|
rc, err := createController(storage.Controller, *validController, t)
|
|
if err != nil {
|
|
t.Fatalf("error setting new replication controller %v: %v", *validController, err)
|
|
}
|
|
|
|
want := &autoscaling.Scale{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: name,
|
|
Namespace: namespace,
|
|
UID: rc.UID,
|
|
ResourceVersion: rc.ResourceVersion,
|
|
CreationTimestamp: rc.CreationTimestamp,
|
|
},
|
|
Spec: autoscaling.ScaleSpec{
|
|
Replicas: validController.Spec.Replicas,
|
|
},
|
|
Status: autoscaling.ScaleStatus{
|
|
Replicas: validController.Status.Replicas,
|
|
Selector: labels.SelectorFromSet(validController.Spec.Template.Labels).String(),
|
|
},
|
|
}
|
|
obj, err := storage.Scale.Get(ctx, name)
|
|
if err != nil {
|
|
t.Fatalf("error fetching scale for %s: %v", name, err)
|
|
}
|
|
got := obj.(*autoscaling.Scale)
|
|
if !api.Semantic.DeepEqual(want, got) {
|
|
t.Errorf("unexpected scale: %s", diff.ObjectDiff(want, got))
|
|
}
|
|
}
|
|
|
|
func TestScaleUpdate(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
|
|
ctx := api.WithNamespace(api.NewContext(), namespace)
|
|
rc, err := createController(storage.Controller, *validController, t)
|
|
if err != nil {
|
|
t.Fatalf("error setting new replication controller %v: %v", *validController, err)
|
|
}
|
|
replicas := int32(12)
|
|
update := autoscaling.Scale{
|
|
ObjectMeta: api.ObjectMeta{Name: name, Namespace: namespace},
|
|
Spec: autoscaling.ScaleSpec{
|
|
Replicas: replicas,
|
|
},
|
|
}
|
|
|
|
if _, _, err := storage.Scale.Update(ctx, &update); err != nil {
|
|
t.Fatalf("error updating scale %v: %v", update, err)
|
|
}
|
|
obj, err := storage.Scale.Get(ctx, name)
|
|
if err != nil {
|
|
t.Fatalf("error fetching scale for %s: %v", name, err)
|
|
}
|
|
scale := obj.(*autoscaling.Scale)
|
|
if scale.Spec.Replicas != replicas {
|
|
t.Errorf("wrong replicas count expected: %d got: %d", replicas, rc.Spec.Replicas)
|
|
}
|
|
|
|
update.ResourceVersion = rc.ResourceVersion
|
|
update.Spec.Replicas = 15
|
|
|
|
if _, _, err = storage.Scale.Update(ctx, &update); err != nil && !errors.IsConflict(err) {
|
|
t.Fatalf("unexpected error, expecting an update conflict but got %v", err)
|
|
}
|
|
}
|