mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
130 lines
3.2 KiB
Go
130 lines
3.2 KiB
Go
// Copyright 2017 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 e2e
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/coreos/etcd/clientv3"
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"github.com/coreos/etcd/mvcc/mvccpb"
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bolt "github.com/coreos/bbolt"
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)
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// TODO: test with embedded etcd in integration package
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func TestEtcdCorruptHash(t *testing.T) {
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oldenv := os.Getenv("EXPECT_DEBUG")
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defer os.Setenv("EXPECT_DEBUG", oldenv)
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os.Setenv("EXPECT_DEBUG", "1")
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cfg := configNoTLS
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// trigger snapshot so that restart member can load peers from disk
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cfg.snapCount = 3
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testCtl(t, corruptTest, withQuorum(),
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withCfg(cfg),
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withInitialCorruptCheck(),
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withCorruptFunc(corruptHash),
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)
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}
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func corruptTest(cx ctlCtx) {
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for i := 0; i < 10; i++ {
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if err := ctlV3Put(cx, fmt.Sprintf("foo%05d", i), fmt.Sprintf("v%05d", i), ""); err != nil {
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if cx.dialTimeout > 0 && !isGRPCTimedout(err) {
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cx.t.Fatalf("putTest ctlV3Put error (%v)", err)
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}
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}
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}
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// enough time for all nodes sync on the same data
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time.Sleep(3 * time.Second)
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eps := cx.epc.EndpointsV3()
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cli1, err := clientv3.New(clientv3.Config{Endpoints: []string{eps[1]}, DialTimeout: 3 * time.Second})
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if err != nil {
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cx.t.Fatal(err)
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}
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defer cli1.Close()
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sresp, err := cli1.Status(context.TODO(), eps[0])
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if err != nil {
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cx.t.Fatal(err)
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}
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id0 := sresp.Header.GetMemberId()
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cx.epc.procs[0].Stop()
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// corrupt first member by modifying backend offline.
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fp := filepath.Join(cx.epc.procs[0].Config().dataDirPath, "member", "snap", "db")
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if err = cx.corruptFunc(fp); err != nil {
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cx.t.Fatal(err)
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}
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ep := cx.epc.procs[0]
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proc, err := spawnCmd(append([]string{ep.Config().execPath}, ep.Config().args...))
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if err != nil {
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cx.t.Fatal(err)
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}
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defer proc.Stop()
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// restarting corrupted member should fail
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waitReadyExpectProc(proc, []string{fmt.Sprintf("etcdmain: %016x found data inconsistency with peers", id0)})
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}
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func corruptHash(fpath string) error {
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db, derr := bolt.Open(fpath, os.ModePerm, &bolt.Options{})
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if derr != nil {
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return derr
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}
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defer db.Close()
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return db.Update(func(tx *bolt.Tx) error {
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b := tx.Bucket([]byte("key"))
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if b == nil {
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return errors.New("got nil bucket for 'key'")
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}
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keys, vals := [][]byte{}, [][]byte{}
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c := b.Cursor()
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for k, v := c.First(); k != nil; k, v = c.Next() {
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keys = append(keys, k)
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var kv mvccpb.KeyValue
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if uerr := kv.Unmarshal(v); uerr != nil {
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return uerr
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}
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kv.Key[0]++
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kv.Value[0]++
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v2, v2err := kv.Marshal()
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if v2err != nil {
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return v2err
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}
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vals = append(vals, v2)
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}
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for i := range keys {
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if perr := b.Put(keys[i], vals[i]); perr != nil {
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return perr
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}
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}
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return nil
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})
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}
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