123 lines
3.4 KiB
Go
123 lines
3.4 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package etcd
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import (
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"net"
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"strings"
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"testing"
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"github.com/coreos/go-etcd/etcd"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/registry/service/allocator"
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allocator_etcd "k8s.io/kubernetes/pkg/registry/service/allocator/etcd"
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"k8s.io/kubernetes/pkg/registry/service/ipallocator"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/storage"
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etcdstorage "k8s.io/kubernetes/pkg/storage/etcd"
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"k8s.io/kubernetes/pkg/tools"
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"k8s.io/kubernetes/pkg/tools/etcdtest"
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)
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func newEtcdStorage(t *testing.T) (*tools.FakeEtcdClient, storage.Interface) {
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fakeEtcdClient := tools.NewFakeEtcdClient(t)
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fakeEtcdClient.TestIndex = true
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etcdStorage := etcdstorage.NewEtcdStorage(fakeEtcdClient, testapi.Codec(), etcdtest.PathPrefix())
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return fakeEtcdClient, etcdStorage
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}
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func newStorage(t *testing.T) (ipallocator.Interface, allocator.Interface, *tools.FakeEtcdClient) {
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fakeEtcdClient, etcdStorage := newEtcdStorage(t)
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_, cidr, err := net.ParseCIDR("192.168.1.0/24")
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if err != nil {
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t.Fatal(err)
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}
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var backing allocator.Interface
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storage := ipallocator.NewAllocatorCIDRRange(cidr, func(max int, rangeSpec string) allocator.Interface {
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mem := allocator.NewAllocationMap(max, rangeSpec)
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backing = mem
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etcd := allocator_etcd.NewEtcd(mem, "/ranges/serviceips", "serviceipallocation", etcdStorage)
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return etcd
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})
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return storage, backing, fakeEtcdClient
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}
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func key() string {
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s := "/ranges/serviceips"
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return etcdtest.AddPrefix(s)
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}
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func TestEmpty(t *testing.T) {
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storage, _, ecli := newStorage(t)
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ecli.ExpectNotFoundGet(key())
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if err := storage.Allocate(net.ParseIP("192.168.1.2")); !strings.Contains(err.Error(), "cannot allocate resources of type serviceipallocation at this time") {
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t.Fatal(err)
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}
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}
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func TestErrors(t *testing.T) {
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storage, _, _ := newStorage(t)
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if err := storage.Allocate(net.ParseIP("192.168.0.0")); err != ipallocator.ErrNotInRange {
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t.Fatal(err)
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}
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}
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func initialObject(ecli *tools.FakeEtcdClient) {
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_, cidr, _ := net.ParseCIDR("192.168.1.0/24")
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ecli.Data[key()] = tools.EtcdResponseWithError{
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R: &etcd.Response{
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Node: &etcd.Node{
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CreatedIndex: 1,
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ModifiedIndex: 2,
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Value: runtime.EncodeOrDie(testapi.Codec(), &api.RangeAllocation{
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Range: cidr.String(),
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}),
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},
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},
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E: nil,
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}
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}
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func TestStore(t *testing.T) {
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storage, r, ecli := newStorage(t)
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initialObject(ecli)
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if err := storage.Allocate(net.ParseIP("192.168.1.2")); err != nil {
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t.Fatal(err)
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}
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ok, err := r.Allocate(1)
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if err != nil {
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t.Fatal(err)
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}
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if ok {
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t.Fatal("Expected allocation to fail")
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}
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if err := storage.Allocate(net.ParseIP("192.168.1.2")); err != ipallocator.ErrAllocated {
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t.Fatal(err)
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}
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obj := ecli.Data[key()]
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if obj.R == nil || obj.R.Node == nil {
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t.Fatalf("%s is empty: %#v", key(), obj)
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}
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t.Logf("data: %#v", obj.R.Node)
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}
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