142 lines
4.1 KiB
Go
142 lines
4.1 KiB
Go
// Copyright 2021 PingCAP, Inc.
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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 server
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import (
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"bytes"
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"database/sql"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/go-sql-driver/mysql"
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"github.com/gorilla/mux"
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"github.com/pingcap/tidb/session"
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"github.com/pingcap/tidb/statistics/handle"
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"github.com/pingcap/tidb/testkit"
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"github.com/stretchr/testify/require"
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)
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func TestDumpPlanReplayerAPI(t *testing.T) {
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store, clean := testkit.CreateMockStore(t)
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defer clean()
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driver := NewTiDBDriver(store)
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client := newTestServerClient()
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cfg := newTestConfig()
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cfg.Port = client.port
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cfg.Status.StatusPort = client.statusPort
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cfg.Status.ReportStatus = true
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server, err := NewServer(cfg, driver)
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require.NoError(t, err)
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defer server.Close()
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client.port = getPortFromTCPAddr(server.listener.Addr())
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client.statusPort = getPortFromTCPAddr(server.statusListener.Addr())
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go func() {
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err := server.Run()
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require.NoError(t, err)
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}()
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client.waitUntilServerOnline()
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dom, err := session.GetDomain(store)
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require.NoError(t, err)
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statsHandler := &StatsHandler{dom}
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planReplayerHandler := &PlanReplayerHandler{}
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filename := prepareData4PlanReplayer(t, client, statsHandler)
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router := mux.NewRouter()
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router.Handle("/plan_replayer/dump/{filename}", planReplayerHandler)
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resp0, err := client.fetchStatus(filepath.Join("/plan_replayer/dump/", filename))
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require.NoError(t, err)
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defer func() {
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require.NoError(t, resp0.Body.Close())
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}()
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body, err := ioutil.ReadAll(resp0.Body)
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require.NoError(t, err)
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path := "/tmp/plan_replayer.zip"
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fp, err := os.Create(path)
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require.NoError(t, err)
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require.NotNil(t, fp)
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defer func() {
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require.NoError(t, fp.Close())
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require.NoError(t, os.Remove(path))
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}()
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_, err = io.Copy(fp, bytes.NewReader(body))
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require.NoError(t, err)
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require.NoError(t, fp.Sync())
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db, err := sql.Open("mysql", client.getDSN(func(config *mysql.Config) {
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config.AllowAllFiles = true
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}))
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require.NoError(t, err, "Error connecting")
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defer func() {
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err := db.Close()
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require.NoError(t, err)
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}()
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tk := testkit.NewDBTestKit(t, db)
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tk.MustExec("use planReplayer")
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tk.MustExec("drop table planReplayer.t")
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tk.MustExec(`plan replayer load "/tmp/plan_replayer.zip"`)
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rows := tk.MustQuery("show stats_meta")
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require.True(t, rows.Next(), "unexpected data")
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var dbName, tableName string
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var modifyCount, count int64
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var other interface{}
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err = rows.Scan(&dbName, &tableName, &other, &other, &modifyCount, &count)
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require.NoError(t, err)
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require.Equal(t, "planReplayer", dbName)
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require.Equal(t, "t", tableName)
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require.Equal(t, int64(4), modifyCount)
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require.Equal(t, int64(8), count)
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}
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func prepareData4PlanReplayer(t *testing.T, client *testServerClient, statHandle *StatsHandler) string {
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db, err := sql.Open("mysql", client.getDSN())
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require.NoError(t, err, "Error connecting")
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defer func() {
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err := db.Close()
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require.NoError(t, err)
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}()
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tk := testkit.NewDBTestKit(t, db)
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h := statHandle.do.StatsHandle()
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tk.MustExec("create database planReplayer")
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tk.MustExec("use planReplayer")
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tk.MustExec("create table t(a int)")
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err = h.HandleDDLEvent(<-h.DDLEventCh())
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require.NoError(t, err)
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tk.MustExec("insert into t values(1), (2), (3), (4)")
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require.NoError(t, h.DumpStatsDeltaToKV(handle.DumpAll))
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tk.MustExec("analyze table t")
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tk.MustExec("insert into t values(5), (6), (7), (8)")
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require.NoError(t, h.DumpStatsDeltaToKV(handle.DumpAll))
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rows := tk.MustQuery("plan replayer dump explain select * from t")
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require.True(t, rows.Next(), "unexpected data")
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var filename string
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err = rows.Scan(&filename)
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require.NoError(t, err)
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return filename
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}
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