121 lines
3.5 KiB
Go
121 lines
3.5 KiB
Go
// Copyright 2022 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 common
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import (
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"context"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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clientv3 "go.etcd.io/etcd/client/v3"
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"go.etcd.io/etcd/tests/v3/framework/config"
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"go.etcd.io/etcd/tests/v3/framework/testutils"
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)
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func TestAlarm(t *testing.T) {
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testRunner.BeforeTest(t)
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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clus := testRunner.NewCluster(ctx, t,
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config.WithClusterSize(1),
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config.WithQuotaBackendBytes(int64(13*os.Getpagesize())),
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)
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defer clus.Close()
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cc := testutils.MustClient(clus.Client())
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testutils.ExecuteUntil(ctx, t, func() {
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// test small put still works
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smallbuf := strings.Repeat("a", 64)
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require.NoErrorf(t, cc.Put(ctx, "1st_test", smallbuf, config.PutOptions{}), "alarmTest: put kv error")
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// write some chunks to fill up the database
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buf := strings.Repeat("b", os.Getpagesize())
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for {
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if err := cc.Put(ctx, "2nd_test", buf, config.PutOptions{}); err != nil {
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require.ErrorContains(t, err, "etcdserver: mvcc: database space exceeded")
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break
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}
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}
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// quota alarm should now be on
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alarmResp, err := cc.AlarmList(ctx)
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require.NoErrorf(t, err, "alarmTest: Alarm error")
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// check that Put is rejected when alarm is on
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if err = cc.Put(ctx, "3rd_test", smallbuf, config.PutOptions{}); err != nil {
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require.ErrorContains(t, err, "etcdserver: mvcc: database space exceeded")
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}
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// get latest revision to compact
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sresp, err := cc.Status(ctx)
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require.NoErrorf(t, err, "get endpoint status error")
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var rvs int64
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for _, resp := range sresp {
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if resp != nil && resp.Header != nil {
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rvs = resp.Header.Revision
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break
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}
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}
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// make some space
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_, err = cc.Compact(ctx, rvs, config.CompactOption{Physical: true, Timeout: 10 * time.Second})
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require.NoErrorf(t, err, "alarmTest: Compact error")
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err = cc.Defragment(ctx, config.DefragOption{Timeout: 10 * time.Second})
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require.NoErrorf(t, err, "alarmTest: defrag error")
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// turn off alarm
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for _, alarm := range alarmResp.Alarms {
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alarmMember := &clientv3.AlarmMember{
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MemberID: alarm.MemberID,
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Alarm: alarm.Alarm,
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}
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_, err = cc.AlarmDisarm(ctx, alarmMember)
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require.NoErrorf(t, err, "alarmTest: Alarm error")
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}
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// put one more key below quota
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err = cc.Put(ctx, "4th_test", smallbuf, config.PutOptions{})
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require.NoError(t, err)
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})
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}
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func TestAlarmlistOnMemberRestart(t *testing.T) {
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testRunner.BeforeTest(t)
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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clus := testRunner.NewCluster(ctx, t,
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config.WithClusterSize(1),
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config.WithQuotaBackendBytes(int64(13*os.Getpagesize())),
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config.WithSnapshotCount(5),
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)
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defer clus.Close()
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cc := testutils.MustClient(clus.Client())
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testutils.ExecuteUntil(ctx, t, func() {
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for i := 0; i < 6; i++ {
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_, err := cc.AlarmList(ctx)
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require.NoError(t, err)
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}
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clus.Members()[0].Stop()
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err := clus.Members()[0].Start(ctx)
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require.NoErrorf(t, err, "failed to start etcdserver")
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})
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}
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