mirror of https://github.com/k3s-io/k3s
101 lines
2.9 KiB
Go
101 lines
2.9 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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"strings"
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"testing"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/registry/registrytest"
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"k8s.io/kubernetes/pkg/registry/service/allocator"
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"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
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etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
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"golang.org/x/net/context"
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)
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func newStorage(t *testing.T) (*Etcd, *etcdtesting.EtcdTestServer, allocator.Interface) {
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etcdStorage, server := registrytest.NewEtcdStorage(t, "")
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mem := allocator.NewAllocationMap(100, "rangeSpecValue")
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etcd := NewEtcd(mem, "/ranges/serviceips", api.Resource("serviceipallocations"), etcdStorage)
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return etcd, server, mem
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}
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func validNewRangeAllocation() *api.RangeAllocation {
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return &api.RangeAllocation{
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Range: "rangeSpecValue",
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}
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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, server, _ := newStorage(t)
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defer server.Terminate(t)
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if _, err := storage.Allocate(1); !strings.Contains(err.Error(), "cannot allocate resources of type serviceipallocations at this time") {
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t.Fatal(err)
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}
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}
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func TestStore(t *testing.T) {
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storage, server, backing := newStorage(t)
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defer server.Terminate(t)
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if err := storage.storage.Create(context.TODO(), key(), validNewRangeAllocation(), nil, 0); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if _, err := storage.Allocate(2); err != nil {
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t.Fatal(err)
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}
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ok, err := backing.Allocate(2)
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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 backing allocation to fail")
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}
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if ok, err := storage.Allocate(2); ok || err != nil {
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t.Fatal("Expected allocation to fail")
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}
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other := allocator.NewAllocationMap(100, "rangeSpecValue")
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allocation := &api.RangeAllocation{}
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if err := storage.storage.Get(context.TODO(), key(), allocation, false); err != nil {
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t.Fatal(err)
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}
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if allocation.Range != "rangeSpecValue" {
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t.Errorf("unexpected stored Range: %s", allocation.Range)
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}
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if err := other.Restore("rangeSpecValue", allocation.Data); err != nil {
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t.Fatal(err)
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}
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if !other.Has(2) {
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t.Fatalf("could not restore allocated IP: %#v", other)
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}
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other = allocator.NewAllocationMap(100, "rangeSpecValue")
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otherStorage := NewEtcd(other, "/ranges/serviceips", api.Resource("serviceipallocations"), storage.storage)
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if ok, err := otherStorage.Allocate(2); ok || err != nil {
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t.Fatal(err)
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}
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}
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