mirror of https://github.com/k3s-io/k3s
128 lines
3.4 KiB
Go
128 lines
3.4 KiB
Go
/*
|
|
Copyright 2015 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 (
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/coreos/go-etcd/etcd"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/api/testapi"
|
|
"k8s.io/kubernetes/pkg/registry/service/allocator"
|
|
"k8s.io/kubernetes/pkg/runtime"
|
|
"k8s.io/kubernetes/pkg/storage"
|
|
etcdstorage "k8s.io/kubernetes/pkg/storage/etcd"
|
|
"k8s.io/kubernetes/pkg/tools"
|
|
"k8s.io/kubernetes/pkg/tools/etcdtest"
|
|
)
|
|
|
|
func newEtcdStorage(t *testing.T) (*tools.FakeEtcdClient, storage.Interface) {
|
|
fakeEtcdClient := tools.NewFakeEtcdClient(t)
|
|
fakeEtcdClient.TestIndex = true
|
|
etcdStorage := etcdstorage.NewEtcdStorage(fakeEtcdClient, testapi.Codec(), etcdtest.PathPrefix())
|
|
return fakeEtcdClient, etcdStorage
|
|
}
|
|
|
|
func newStorage(t *testing.T) (*Etcd, allocator.Interface, *tools.FakeEtcdClient) {
|
|
fakeEtcdClient, s := newEtcdStorage(t)
|
|
|
|
mem := allocator.NewAllocationMap(100, "rangeSpecValue")
|
|
etcd := NewEtcd(mem, "/ranges/serviceips", "serviceipallocation", s)
|
|
|
|
return etcd, mem, fakeEtcdClient
|
|
}
|
|
|
|
func key() string {
|
|
s := "/ranges/serviceips"
|
|
return etcdtest.AddPrefix(s)
|
|
}
|
|
|
|
func TestEmpty(t *testing.T) {
|
|
storage, _, ecli := newStorage(t)
|
|
ecli.ExpectNotFoundGet(key())
|
|
if _, err := storage.Allocate(1); !strings.Contains(err.Error(), "cannot allocate resources of type serviceipallocation at this time") {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func initialObject(ecli *tools.FakeEtcdClient) {
|
|
ecli.Data[key()] = tools.EtcdResponseWithError{
|
|
R: &etcd.Response{
|
|
Node: &etcd.Node{
|
|
CreatedIndex: 1,
|
|
ModifiedIndex: 2,
|
|
Value: runtime.EncodeOrDie(testapi.Codec(), &api.RangeAllocation{
|
|
Range: "rangeSpecValue",
|
|
}),
|
|
},
|
|
},
|
|
E: nil,
|
|
}
|
|
}
|
|
|
|
func TestStore(t *testing.T) {
|
|
storage, backing, ecli := newStorage(t)
|
|
initialObject(ecli)
|
|
|
|
if _, err := storage.Allocate(2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ok, err := backing.Allocate(2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if ok {
|
|
t.Fatal("Expected backing allocation to fail")
|
|
}
|
|
if ok, err := storage.Allocate(2); ok || err != nil {
|
|
t.Fatal("Expected allocation to fail")
|
|
}
|
|
|
|
obj := ecli.Data[key()]
|
|
if obj.R == nil || obj.R.Node == nil {
|
|
t.Fatalf("%s is empty: %#v", key(), obj)
|
|
}
|
|
t.Logf("data: %#v", obj.R.Node)
|
|
|
|
other := allocator.NewAllocationMap(100, "rangeSpecValue")
|
|
|
|
allocation := &api.RangeAllocation{}
|
|
if err := storage.storage.Get(key(), allocation, false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if allocation.ResourceVersion != "1" {
|
|
t.Fatalf("%#v", allocation)
|
|
}
|
|
if allocation.Range != "rangeSpecValue" {
|
|
t.Errorf("unexpected stored Range: %s", allocation.Range)
|
|
}
|
|
if err := other.Restore("rangeSpecValue", allocation.Data); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !other.Has(2) {
|
|
t.Fatalf("could not restore allocated IP: %#v", other)
|
|
}
|
|
|
|
other = allocator.NewAllocationMap(100, "rangeSpecValue")
|
|
otherStorage := NewEtcd(other, "/ranges/serviceips", "serviceipallocation", storage.storage)
|
|
if ok, err := otherStorage.Allocate(2); ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|