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// Copyright 2022 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package integration
import (
"context"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.etcd.io/etcd/api/v3/etcdserverpb"
clientv3 "go.etcd.io/etcd/client/v3"
"go.etcd.io/etcd/server/v3/storage/mvcc/testutil"
)
func TestPeriodicCheck(t *testing.T) {
BeforeTest(t)
clus := NewClusterV3(t, &ClusterConfig{Size: 3})
defer clus.Terminate(t)
cc, err := clus.ClusterClient()
require.NoError(t, err)
ctx := context.Background()
var totalRevisions int64 = 1210
var rev int64
for ; rev < totalRevisions; rev += testutil.CompactionCycle {
testPeriodicCheck(ctx, t, cc, clus, rev, rev+testutil.CompactionCycle)
}
testPeriodicCheck(ctx, t, cc, clus, rev, rev+totalRevisions)
alarmResponse, err := cc.AlarmList(ctx)
assert.NoError(t, err, "error on alarm list")
assert.Equal(t, []*etcdserverpb.AlarmMember(nil), alarmResponse.Alarms)
}
func testPeriodicCheck(ctx context.Context, t *testing.T, cc *clientv3.Client, clus *ClusterV3, start, stop int64) {
for i := start; i <= stop; i++ {
if i%67 == 0 {
_, err := cc.Delete(ctx, testutil.PickKey(i+83))
assert.NoError(t, err, "error on delete")
} else {
_, err := cc.Put(ctx, testutil.PickKey(i), fmt.Sprint(i))
assert.NoError(t, err, "error on put")
}
}
err := clus.Members[0].CorruptionChecker().PeriodicCheck()
assert.NoError(t, err, "error on periodic check (rev %v)", stop)
}
func TestPeriodicCheckDetectsCorruption(t *testing.T) {
BeforeTest(t)
clus := NewClusterV3(t, &ClusterConfig{Size: 3})
defer clus.Terminate(t)
cc, err := clus.ClusterClient()
require.NoError(t, err)
ctx := context.Background()
for i := 0; i < 10; i++ {
_, err := cc.Put(ctx, testutil.PickKey(int64(i)), fmt.Sprint(i))
assert.NoError(t, err, "error on put")
}
err = clus.Members[0].CorruptionChecker().PeriodicCheck()
assert.NoError(t, err, "error on periodic check")
clus.Members[0].Stop(t)
clus.WaitLeader(t)
err = testutil.CorruptBBolt(clus.Members[0].BackendPath())
assert.NoError(t, err)
err = clus.Members[0].Restart(t)
assert.NoError(t, err)
time.Sleep(50 * time.Millisecond)
leader := clus.WaitLeader(t)
err = clus.Members[leader].CorruptionChecker().PeriodicCheck()
assert.NoError(t, err, "error on periodic check")
time.Sleep(50 * time.Millisecond)
alarmResponse, err := cc.AlarmList(ctx)
assert.NoError(t, err, "error on alarm list")
assert.Equal(t, []*etcdserverpb.AlarmMember{{Alarm: etcdserverpb.AlarmType_CORRUPT, MemberID: 0}}, alarmResponse.Alarms)
}
func TestCompactHashCheck(t *testing.T) {
BeforeTest(t)
clus := NewClusterV3(t, &ClusterConfig{Size: 3})
defer clus.Terminate(t)
cc, err := clus.ClusterClient()
require.NoError(t, err)
ctx := context.Background()
var totalRevisions int64 = 1210
var rev int64
for ; rev < totalRevisions; rev += testutil.CompactionCycle {
testCompactionHash(ctx, t, cc, clus, rev, rev+testutil.CompactionCycle)
}
testCompactionHash(ctx, t, cc, clus, rev, rev+totalRevisions)
}
func testCompactionHash(ctx context.Context, t *testing.T, cc *clientv3.Client, clus *ClusterV3, start, stop int64) {
for i := start; i <= stop; i++ {
if i%67 == 0 {
_, err := cc.Delete(ctx, testutil.PickKey(i+83))
assert.NoError(t, err, "error on delete")
} else {
_, err := cc.Put(ctx, testutil.PickKey(i), fmt.Sprint(i))
assert.NoError(t, err, "error on put")
}
}
_, err := cc.Compact(ctx, stop)
assert.NoError(t, err, "error on compact (rev %v)", stop)
// Wait for compaction to be compacted
time.Sleep(50 * time.Millisecond)
clus.Members[0].CorruptionChecker().CompactHashCheck()
}
func TestCompactHashCheckDetectCorruption(t *testing.T) {
BeforeTest(t)
clus := NewClusterV3(t, &ClusterConfig{Size: 3})
defer clus.Terminate(t)
cc, err := clus.ClusterClient()
require.NoError(t, err)
ctx := context.Background()
for i := 0; i < 10; i++ {
_, err := cc.Put(ctx, testutil.PickKey(int64(i)), fmt.Sprint(i))
assert.NoError(t, err, "error on put")
}
clus.Members[0].CorruptionChecker().CompactHashCheck()
clus.Members[0].Stop(t)
clus.WaitLeader(t)
err = testutil.CorruptBBolt(clus.Members[0].BackendPath())
assert.NoError(t, err)
err = clus.Members[0].Restart(t)
assert.NoError(t, err)
_, err = cc.Compact(ctx, 5)
assert.NoError(t, err)
time.Sleep(50 * time.Millisecond)
leader := clus.WaitLeader(t)
clus.Members[leader].CorruptionChecker().CompactHashCheck()
time.Sleep(50 * time.Millisecond)
alarmResponse, err := cc.AlarmList(ctx)
assert.NoError(t, err, "error on alarm list")
assert.Equal(t, []*etcdserverpb.AlarmMember{{Alarm: etcdserverpb.AlarmType_CORRUPT, MemberID: 0}}, alarmResponse.Alarms)
}
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