Files
tidb/pkg/executor/traffic_test.go

344 lines
10 KiB
Go

// Copyright 2024 PingCAP, Inc.
//
// 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 executor
import (
"context"
"fmt"
"net"
"net/http"
"net/url"
"strconv"
"sync"
"testing"
"github.com/pingcap/tidb/pkg/domain/infosync"
"github.com/pingcap/tidb/pkg/executor/internal/exec"
"github.com/pingcap/tidb/pkg/infoschema"
"github.com/pingcap/tidb/pkg/meta/model"
"github.com/pingcap/tidb/pkg/parser"
"github.com/pingcap/tidb/pkg/parser/mysql"
plannercore "github.com/pingcap/tidb/pkg/planner/core"
"github.com/pingcap/tidb/pkg/planner/core/resolve"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/chunk"
"github.com/pingcap/tidb/pkg/util/hint"
"github.com/pingcap/tidb/pkg/util/mock"
"github.com/stretchr/testify/require"
)
func TestTrafficForm(t *testing.T) {
tests := []struct {
sql string
method string
path string
form url.Values
hasStartTime bool
}{
{
sql: "traffic capture to '/tmp' duration='1s' encryption_method='aes' compress=false",
method: http.MethodPost,
path: "/api/traffic/capture",
form: url.Values{
"output": []string{"/tmp"},
"duration": []string{"1s"},
"encrypt-method": []string{"aes"},
"compress": []string{"false"},
},
hasStartTime: true,
},
{
sql: "traffic capture to '/tmp' duration='1s'",
method: http.MethodPost,
path: "/api/traffic/capture",
form: url.Values{
"output": []string{"/tmp"},
"duration": []string{"1s"},
},
hasStartTime: true,
},
{
sql: "traffic replay from '/tmp' user='root' password='123456' speed=1.0 read_only=true",
method: http.MethodPost,
path: "/api/traffic/replay",
form: url.Values{
"input": []string{"/tmp"},
"username": []string{"root"},
"password": []string{"123456"},
"speed": []string{"1.0"},
"readonly": []string{"true"},
},
hasStartTime: true,
},
{
sql: "traffic replay from '/tmp' user='root'",
method: http.MethodPost,
path: "/api/traffic/replay",
form: url.Values{
"input": []string{"/tmp"},
"username": []string{"root"},
},
hasStartTime: true,
},
{
sql: "cancel traffic jobs",
method: http.MethodPost,
path: "/api/traffic/cancel",
form: url.Values{},
},
{
sql: "show traffic jobs",
method: http.MethodGet,
path: "/api/traffic/show",
form: url.Values{},
},
}
suite := newTrafficTestSuite(t, 10)
ctx := context.TODO()
httpHandler := &mockHTTPHandler{t: t, httpOK: true}
server, port := runServer(t, httpHandler)
defer server.Close()
ctx = fillCtxWithTiProxyAddr(ctx, []int{port})
for i, test := range tests {
executor := suite.build(ctx, test.sql)
require.NoError(t, executor.Open(ctx))
chk := exec.NewFirstChunk(executor)
require.NoError(t, executor.Next(ctx, chk), "case %d", i)
require.Equal(t, test.method, httpHandler.getMethod(), "case %d", i)
require.Equal(t, test.path, httpHandler.getPath(), "case %d", i)
actualForm := httpHandler.getForm()
if test.hasStartTime {
require.NotEmpty(t, actualForm.Get("start-time"), "case %d", i)
test.form.Add("start-time", actualForm.Get("start-time"))
}
require.Equal(t, test.form, actualForm, "case %d", i)
}
}
func TestTrafficError(t *testing.T) {
suite := newTrafficTestSuite(t, 10)
ctx := context.TODO()
exec := suite.build(ctx, "cancel traffic jobs")
// no tiproxy
m := make(map[string]*infosync.TiProxyServerInfo)
tempCtx := context.WithValue(ctx, tiproxyAddrKey, m)
require.ErrorContains(t, exec.Next(tempCtx, nil), "no tiproxy server found")
// tiproxy no response
m["127.0.0.1:0"] = &infosync.TiProxyServerInfo{IP: "127.0.0.1", StatusPort: "0"}
require.ErrorContains(t, exec.Next(tempCtx, nil), "dial tcp")
// tiproxy responds with error
httpHandler := &mockHTTPHandler{t: t, httpOK: false}
server, port := runServer(t, httpHandler)
defer server.Close()
tempCtx = fillCtxWithTiProxyAddr(ctx, []int{port})
require.ErrorContains(t, exec.Next(tempCtx, nil), "500 Internal Server Error")
}
func TestTrafficShow(t *testing.T) {
suite := newTrafficTestSuite(t, 2)
ctx := context.TODO()
fields := trafficJobFields()
handlers := make([]*mockHTTPHandler, 0, 2)
servers := make([]*http.Server, 0, 2)
ports := make([]int, 0, 2)
for i := 0; i < 2; i++ {
httpHandler := &mockHTTPHandler{t: t, httpOK: true}
handlers = append(handlers, httpHandler)
server, port := runServer(t, httpHandler)
servers = append(servers, server)
ports = append(ports, port)
}
defer func() {
for _, server := range servers {
server.Close()
}
}()
if strconv.Itoa(ports[0]) > strconv.Itoa(ports[1]) {
ports[0], ports[1] = ports[1], ports[0]
handlers[0], handlers[1] = handlers[1], handlers[0]
}
ctx = fillCtxWithTiProxyAddr(ctx, ports)
marshaledTime1, marshaledTime2 := "2020-01-01T00:00:00Z", "2020-01-01T01:00:00Z"
marshaledJob := `{
"type": "capture",
"status": "canceled",
"start_time": "%s",
"end_time": "2020-01-01T02:01:01Z",
"progress": "50%%",
"error": "mock error"
}`
showTime1, showTime2 := "2020-01-01 00:00:00.000000", "2020-01-01 01:00:00.000000"
showResult := "%s, 2020-01-01 02:01:01.000000, 127.0.0.1:%d, capture, 50%%, canceled, mock error\n"
tests := []struct {
resp []string
chks []string
}{
{
resp: []string{"[]", "[]"},
chks: []string{},
},
{
resp: []string{fmt.Sprintf("[%s]", fmt.Sprintf(marshaledJob, marshaledTime1)), "[]"},
chks: []string{fmt.Sprintf(showResult, showTime1, ports[0])},
},
{
resp: []string{fmt.Sprintf("[%s]", fmt.Sprintf(marshaledJob, marshaledTime1)), fmt.Sprintf("[%s]", fmt.Sprintf(marshaledJob, marshaledTime1))},
chks: []string{fmt.Sprintf("%s%s", fmt.Sprintf(showResult, showTime1, ports[0]), fmt.Sprintf(showResult, showTime1, ports[1]))},
},
{
resp: []string{fmt.Sprintf("[%s,%s]", fmt.Sprintf(marshaledJob, marshaledTime1), fmt.Sprintf(marshaledJob, marshaledTime2)),
fmt.Sprintf("[%s,%s]", fmt.Sprintf(marshaledJob, marshaledTime1), fmt.Sprintf(marshaledJob, marshaledTime2))},
chks: []string{fmt.Sprintf("%s%s", fmt.Sprintf(showResult, showTime2, ports[0]), fmt.Sprintf(showResult, showTime2, ports[1])),
fmt.Sprintf("%s%s", fmt.Sprintf(showResult, showTime1, ports[0]), fmt.Sprintf(showResult, showTime1, ports[1]))},
},
}
for _, test := range tests {
for j := range test.resp {
handlers[j].setResponse(test.resp[j])
}
executor := suite.build(ctx, "show traffic jobs")
require.NoError(t, executor.Open(ctx))
chk := chunk.New(fields, 2, 2)
for j := 0; j < len(test.chks); j++ {
require.NoError(t, executor.Next(ctx, chk))
require.Equal(t, test.chks[j], chk.ToString(fields))
}
require.NoError(t, executor.Next(ctx, chk))
require.Equal(t, 0, chk.NumRows())
}
}
type trafficTestSuite struct {
t *testing.T
parser *parser.Parser
planBuilder *plannercore.PlanBuilder
execBuilder *MockExecutorBuilder
}
func newTrafficTestSuite(t *testing.T, chunkSize int) *trafficTestSuite {
parser := parser.New()
sctx := mock.NewContext()
sctx.GetSessionVars().MaxChunkSize = chunkSize
is := infoschema.MockInfoSchema([]*model.TableInfo{plannercore.MockSignedTable(), plannercore.MockUnsignedTable()})
planBuilder, _ := plannercore.NewPlanBuilder().Init(sctx, nil, hint.NewQBHintHandler(nil))
execBuilder := NewMockExecutorBuilderForTest(sctx, is)
return &trafficTestSuite{
t: t,
parser: parser,
planBuilder: planBuilder,
execBuilder: execBuilder,
}
}
func (suite *trafficTestSuite) build(ctx context.Context, sql string) exec.Executor {
stmt, err := suite.parser.ParseOneStmt(sql, "", "")
require.NoError(suite.t, err)
p, err := suite.planBuilder.Build(ctx, resolve.NewNodeW(stmt))
require.NoError(suite.t, err)
executor := suite.execBuilder.build(p)
require.NotEmpty(suite.t, executor)
return executor
}
type mockHTTPHandler struct {
t *testing.T
sync.Mutex
form url.Values
method string
path string
resp string
httpOK bool
}
func (handler *mockHTTPHandler) setResponse(resp string) {
handler.Lock()
defer handler.Unlock()
handler.resp = resp
}
func (handler *mockHTTPHandler) getForm() url.Values {
handler.Lock()
defer handler.Unlock()
return handler.form
}
func (handler *mockHTTPHandler) getMethod() string {
handler.Lock()
defer handler.Unlock()
return handler.method
}
func (handler *mockHTTPHandler) getPath() string {
handler.Lock()
defer handler.Unlock()
return handler.path
}
func (handler *mockHTTPHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
handler.Lock()
defer handler.Unlock()
handler.method = r.Method
handler.path = r.URL.Path
require.NoError(handler.t, r.ParseForm())
handler.form = r.PostForm
if handler.httpOK {
w.WriteHeader(http.StatusOK)
resp := handler.resp
if len(resp) == 0 && r.Method == http.MethodGet {
resp = "[]"
}
_, err := w.Write([]byte(resp))
require.NoError(handler.t, err)
} else {
w.WriteHeader(http.StatusInternalServerError)
}
}
func runServer(t *testing.T, handler http.Handler) (*http.Server, int) {
listener, err := net.Listen("tcp", ":0")
require.NoError(t, err)
server := &http.Server{Addr: listener.Addr().String(), Handler: handler}
go server.Serve(listener)
return server, listener.Addr().(*net.TCPAddr).Port
}
func fillCtxWithTiProxyAddr(ctx context.Context, ports []int) context.Context {
m := make(map[string]*infosync.TiProxyServerInfo)
for _, port := range ports {
addr := fmt.Sprintf("127.0.0.1:%d", port)
m[addr] = &infosync.TiProxyServerInfo{IP: "127.0.0.1", StatusPort: strconv.Itoa(port)}
}
return context.WithValue(ctx, tiproxyAddrKey, m)
}
func trafficJobFields() []*types.FieldType {
return []*types.FieldType{
types.NewFieldType(mysql.TypeDate),
types.NewFieldType(mysql.TypeDate),
types.NewFieldType(mysql.TypeString),
types.NewFieldType(mysql.TypeString),
types.NewFieldType(mysql.TypeString),
types.NewFieldType(mysql.TypeString),
types.NewFieldType(mysql.TypeString),
}
}