mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
236 lines
9.6 KiB
Go
236 lines
9.6 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 failpoint
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import (
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"context"
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"fmt"
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"math/rand"
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"strings"
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"testing"
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"time"
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"go.uber.org/zap"
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"go.etcd.io/etcd/tests/v3/framework/e2e"
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)
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var (
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DefragBeforeCopyPanic Failpoint = goPanicFailpoint{"defragBeforeCopy", triggerDefrag{}, AnyMember}
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DefragBeforeRenamePanic Failpoint = goPanicFailpoint{"defragBeforeRename", triggerDefrag{}, AnyMember}
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BeforeCommitPanic Failpoint = goPanicFailpoint{"beforeCommit", nil, AnyMember}
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AfterCommitPanic Failpoint = goPanicFailpoint{"afterCommit", nil, AnyMember}
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RaftBeforeSavePanic Failpoint = goPanicFailpoint{"raftBeforeSave", nil, AnyMember}
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RaftAfterSavePanic Failpoint = goPanicFailpoint{"raftAfterSave", nil, AnyMember}
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BackendBeforePreCommitHookPanic Failpoint = goPanicFailpoint{"commitBeforePreCommitHook", nil, AnyMember}
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BackendAfterPreCommitHookPanic Failpoint = goPanicFailpoint{"commitAfterPreCommitHook", nil, AnyMember}
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BackendBeforeStartDBTxnPanic Failpoint = goPanicFailpoint{"beforeStartDBTxn", nil, AnyMember}
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BackendAfterStartDBTxnPanic Failpoint = goPanicFailpoint{"afterStartDBTxn", nil, AnyMember}
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BackendBeforeWritebackBufPanic Failpoint = goPanicFailpoint{"beforeWritebackBuf", nil, AnyMember}
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BackendAfterWritebackBufPanic Failpoint = goPanicFailpoint{"afterWritebackBuf", nil, AnyMember}
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CompactBeforeCommitScheduledCompactPanic Failpoint = goPanicFailpoint{"compactBeforeCommitScheduledCompact", triggerCompact{}, AnyMember}
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CompactAfterCommitScheduledCompactPanic Failpoint = goPanicFailpoint{"compactAfterCommitScheduledCompact", triggerCompact{}, AnyMember}
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CompactBeforeSetFinishedCompactPanic Failpoint = goPanicFailpoint{"compactBeforeSetFinishedCompact", triggerCompact{}, AnyMember}
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CompactAfterSetFinishedCompactPanic Failpoint = goPanicFailpoint{"compactAfterSetFinishedCompact", triggerCompact{}, AnyMember}
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CompactBeforeCommitBatchPanic Failpoint = goPanicFailpoint{"compactBeforeCommitBatch", triggerCompact{multiBatchCompaction: true}, AnyMember}
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CompactAfterCommitBatchPanic Failpoint = goPanicFailpoint{"compactAfterCommitBatch", triggerCompact{multiBatchCompaction: true}, AnyMember}
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RaftBeforeLeaderSendPanic Failpoint = goPanicFailpoint{"raftBeforeLeaderSend", nil, Leader}
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RaftBeforeFollowerSendPanic Failpoint = goPanicFailpoint{"raftBeforeFollowerSend", nil, Follower}
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RaftBeforeApplySnapPanic Failpoint = goPanicFailpoint{"raftBeforeApplySnap", triggerBlackhole{waitTillSnapshot: true}, Follower}
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RaftAfterApplySnapPanic Failpoint = goPanicFailpoint{"raftAfterApplySnap", triggerBlackhole{waitTillSnapshot: true}, Follower}
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RaftAfterWALReleasePanic Failpoint = goPanicFailpoint{"raftAfterWALRelease", triggerBlackhole{waitTillSnapshot: true}, Follower}
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RaftBeforeSaveSnapPanic Failpoint = goPanicFailpoint{"raftBeforeSaveSnap", triggerBlackhole{waitTillSnapshot: true}, Follower}
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RaftAfterSaveSnapPanic Failpoint = goPanicFailpoint{"raftAfterSaveSnap", triggerBlackhole{waitTillSnapshot: true}, Follower}
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ApplyBeforeOpenSnapshot Failpoint = goPanicFailpoint{"applyBeforeOpenSnapshot", triggerBlackhole{waitTillSnapshot: true}, Follower}
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BeforeApplyOneConfChangeSleep Failpoint = killAndGofailSleep{"beforeApplyOneConfChange", time.Second}
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RaftBeforeSaveSleep Failpoint = gofailSleepAndDeactivate{"raftBeforeSave", time.Second}
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RaftAfterSaveSleep Failpoint = gofailSleepAndDeactivate{"raftAfterSave", time.Second}
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)
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type goPanicFailpoint struct {
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failpoint string
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trigger trigger
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target failpointTarget
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}
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type failpointTarget string
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const (
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AnyMember failpointTarget = "AnyMember"
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Leader failpointTarget = "Leader"
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Follower failpointTarget = "Follower"
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)
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func (f goPanicFailpoint) Inject(ctx context.Context, t *testing.T, lg *zap.Logger, clus *e2e.EtcdProcessCluster) error {
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member := f.pickMember(t, clus)
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for member.IsRunning() {
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select {
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case <-ctx.Done():
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return ctx.Err()
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default:
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}
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lg.Info("Setting up gofailpoint", zap.String("failpoint", f.Name()))
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err := member.Failpoints().SetupHTTP(ctx, f.failpoint, "panic")
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if err != nil {
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lg.Info("goFailpoint setup failed", zap.String("failpoint", f.Name()), zap.Error(err))
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continue
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}
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if !member.IsRunning() {
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// TODO: Check member logs that etcd not running is caused panic caused by proper gofailpoint.
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break
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}
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if f.trigger != nil {
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lg.Info("Triggering gofailpoint", zap.String("failpoint", f.Name()))
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err = f.trigger.Trigger(ctx, t, member, clus)
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if err != nil {
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lg.Info("gofailpoint trigger failed", zap.String("failpoint", f.Name()), zap.Error(err))
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}
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}
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lg.Info("Waiting for member to exit", zap.String("member", member.Config().Name))
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err = member.Wait(ctx)
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if err != nil && !strings.Contains(err.Error(), "unexpected exit code") {
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lg.Info("Member didn't exit as expected", zap.String("member", member.Config().Name), zap.Error(err))
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return fmt.Errorf("member didn't exit as expected: %v", err)
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}
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lg.Info("Member exited as expected", zap.String("member", member.Config().Name))
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}
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if lazyfs := member.LazyFS(); lazyfs != nil {
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lg.Info("Removing data that was not fsynced")
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err := lazyfs.ClearCache(ctx)
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if err != nil {
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return err
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}
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}
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return member.Start(ctx)
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}
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func (f goPanicFailpoint) pickMember(t *testing.T, clus *e2e.EtcdProcessCluster) e2e.EtcdProcess {
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switch f.target {
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case AnyMember:
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return clus.Procs[rand.Int()%len(clus.Procs)]
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case Leader:
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return clus.Procs[clus.WaitLeader(t)]
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case Follower:
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return clus.Procs[(clus.WaitLeader(t)+1)%len(clus.Procs)]
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default:
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panic("unknown target")
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}
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}
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func (f goPanicFailpoint) Available(config e2e.EtcdProcessClusterConfig, member e2e.EtcdProcess) bool {
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if f.target == Follower && config.ClusterSize == 1 {
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return false
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}
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if f.trigger != nil && !f.trigger.Available(config, member) {
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return false
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}
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memberFailpoints := member.Failpoints()
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if memberFailpoints == nil {
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return false
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}
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return memberFailpoints.Available(f.failpoint)
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}
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func (f goPanicFailpoint) Name() string {
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return fmt.Sprintf("%s=panic()", f.failpoint)
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}
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type killAndGofailSleep struct {
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failpoint string
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time time.Duration
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}
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func (f killAndGofailSleep) Inject(ctx context.Context, t *testing.T, lg *zap.Logger, clus *e2e.EtcdProcessCluster) error {
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member := clus.Procs[rand.Int()%len(clus.Procs)]
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for member.IsRunning() {
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err := member.Kill()
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if err != nil {
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lg.Info("Sending kill signal failed", zap.Error(err))
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}
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err = member.Wait(ctx)
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if err != nil && !strings.Contains(err.Error(), "unexpected exit code") {
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lg.Info("Failed to kill the process", zap.Error(err))
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return fmt.Errorf("failed to kill the process within %s, err: %w", triggerTimeout, err)
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}
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}
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lg.Info("Setting up goFailpoint", zap.String("failpoint", f.Name()))
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err := member.Failpoints().SetupEnv(f.failpoint, fmt.Sprintf(`sleep(%q)`, f.time))
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if err != nil {
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return err
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}
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err = member.Start(ctx)
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if err != nil {
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return err
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}
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// TODO: Check gofail status (https://github.com/etcd-io/gofail/pull/47) and wait for sleep to beis executed at least once.
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return nil
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}
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func (f killAndGofailSleep) Name() string {
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return fmt.Sprintf("%s=sleep(%s)", f.failpoint, f.time)
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}
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func (f killAndGofailSleep) Available(config e2e.EtcdProcessClusterConfig, member e2e.EtcdProcess) bool {
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if config.ClusterSize == 1 {
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return false
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}
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memberFailpoints := member.Failpoints()
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if memberFailpoints == nil {
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return false
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}
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return memberFailpoints.Available(f.failpoint)
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}
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type gofailSleepAndDeactivate struct {
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failpoint string
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time time.Duration
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}
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func (f gofailSleepAndDeactivate) Inject(ctx context.Context, t *testing.T, lg *zap.Logger, clus *e2e.EtcdProcessCluster) error {
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member := clus.Procs[rand.Int()%len(clus.Procs)]
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lg.Info("Setting up gofailpoint", zap.String("failpoint", f.Name()))
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err := member.Failpoints().SetupHTTP(ctx, f.failpoint, fmt.Sprintf(`sleep(%q)`, f.time))
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if err != nil {
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lg.Info("goFailpoint setup failed", zap.String("failpoint", f.Name()), zap.Error(err))
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return fmt.Errorf("goFailpoint %s setup failed, err:%w", f.Name(), err)
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}
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time.Sleep(f.time)
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lg.Info("Deactivating gofailpoint", zap.String("failpoint", f.Name()))
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err = member.Failpoints().DeactivateHTTP(ctx, f.failpoint)
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if err != nil {
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lg.Info("goFailpoint deactivate failed", zap.String("failpoint", f.Name()), zap.Error(err))
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return fmt.Errorf("goFailpoint %s deactivate failed, err: %w", f.Name(), err)
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}
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return nil
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}
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func (f gofailSleepAndDeactivate) Name() string {
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return fmt.Sprintf("%s=sleep(%s)", f.failpoint, f.time)
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}
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func (f gofailSleepAndDeactivate) Available(config e2e.EtcdProcessClusterConfig, member e2e.EtcdProcess) bool {
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if config.ClusterSize == 1 {
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return false
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}
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memberFailpoints := member.Failpoints()
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if memberFailpoints == nil {
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return false
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}
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return memberFailpoints.Available(f.failpoint)
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}
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