mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
126 lines
3.5 KiB
Go
126 lines
3.5 KiB
Go
// Copyright 2023 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package etcdserver
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import (
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"bytes"
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"encoding/json"
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"io"
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"net/http"
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"net/http/httptest"
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"strconv"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"go.uber.org/zap"
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pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
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"go.etcd.io/etcd/lease"
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"go.etcd.io/etcd/mvcc"
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betesting "go.etcd.io/etcd/mvcc/backend"
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"go.etcd.io/etcd/pkg/types"
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)
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func TestHashKVHandler(t *testing.T) {
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var remoteClusterID = 111195
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var localClusterID = 111196
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var revision = 1
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etcdSrv := &EtcdServer{}
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etcdSrv.cluster = newTestCluster(nil)
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etcdSrv.cluster.SetID(types.ID(localClusterID), types.ID(localClusterID))
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be, _ := betesting.NewDefaultTmpBackend()
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defer func() {
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assert.NoError(t, be.Close())
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}()
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etcdSrv.kv = mvcc.New(zap.NewNop(), be, &lease.FakeLessor{}, nil, nil, mvcc.StoreConfig{})
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defer func() {
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assert.NoError(t, etcdSrv.kv.Close())
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}()
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ph := &hashKVHandler{
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lg: zap.NewNop(),
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server: etcdSrv,
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}
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srv := httptest.NewServer(ph)
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defer srv.Close()
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tests := []struct {
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name string
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remoteClusterID int
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wcode int
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wKeyWords string
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}{
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{
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name: "HashKV returns 200 if cluster hash matches",
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remoteClusterID: localClusterID,
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wcode: http.StatusOK,
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wKeyWords: "",
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},
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{
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name: "HashKV returns 400 if cluster hash doesn't matche",
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remoteClusterID: remoteClusterID,
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wcode: http.StatusPreconditionFailed,
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wKeyWords: "cluster ID mismatch",
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},
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}
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for i, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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hashReq := &pb.HashKVRequest{Revision: int64(revision)}
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hashReqBytes, err := json.Marshal(hashReq)
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if err != nil {
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t.Fatalf("failed to marshal request: %v", err)
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}
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req, err := http.NewRequest(http.MethodGet, srv.URL+PeerHashKVPath, bytes.NewReader(hashReqBytes))
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if err != nil {
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t.Fatalf("failed to create request: %v", err)
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}
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req.Header.Set("X-Etcd-Cluster-ID", strconv.FormatUint(uint64(tt.remoteClusterID), 16))
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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t.Fatalf("failed to get http response: %v", err)
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}
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body, err := io.ReadAll(resp.Body)
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resp.Body.Close()
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if err != nil {
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t.Fatalf("unexpected io.ReadAll error: %v", err)
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}
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if resp.StatusCode != tt.wcode {
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t.Fatalf("#%d: code = %d, want %d", i, resp.StatusCode, tt.wcode)
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}
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if resp.StatusCode != http.StatusOK {
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if !strings.Contains(string(body), tt.wKeyWords) {
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t.Errorf("#%d: body: %s, want body to contain keywords: %s", i, string(body), tt.wKeyWords)
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}
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return
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}
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hashKVResponse := pb.HashKVResponse{}
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err = json.Unmarshal(body, &hashKVResponse)
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if err != nil {
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t.Fatalf("unmarshal response error: %v", err)
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}
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hashValue, _, _, err := etcdSrv.KV().HashByRev(int64(revision))
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if err != nil {
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t.Fatalf("etcd server hash failed: %v", err)
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}
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if hashKVResponse.Hash != hashValue {
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t.Fatalf("hash value inconsistent: %d != %d", hashKVResponse.Hash, hashValue)
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}
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})
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}
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}
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