195 lines
8.1 KiB
Go
195 lines
8.1 KiB
Go
// Copyright 2023 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 framework_test
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import (
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"context"
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"sync"
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/disttask/framework/dispatcher"
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"github.com/pingcap/tidb/disttask/framework/proto"
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"github.com/pingcap/tidb/domain/infosync"
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"github.com/pingcap/tidb/testkit"
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"github.com/stretchr/testify/require"
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"go.uber.org/mock/gomock"
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)
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type haTestDispatcherExt struct {
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cnt int
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}
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var _ dispatcher.Extension = (*haTestDispatcherExt)(nil)
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func (*haTestDispatcherExt) OnTick(_ context.Context, _ *proto.Task) {
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}
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func (dsp *haTestDispatcherExt) OnNextSubtasksBatch(_ context.Context, _ dispatcher.TaskHandle, gTask *proto.Task) (metas [][]byte, err error) {
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if gTask.Step == proto.StepInit {
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dsp.cnt = 10
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return [][]byte{
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[]byte("task1"),
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[]byte("task2"),
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[]byte("task3"),
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[]byte("task4"),
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[]byte("task5"),
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[]byte("task6"),
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[]byte("task7"),
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[]byte("task8"),
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[]byte("task9"),
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[]byte("task10"),
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}, nil
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}
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if gTask.Step == proto.StepOne {
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dsp.cnt = 15
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return [][]byte{
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[]byte("task11"),
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[]byte("task12"),
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[]byte("task13"),
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[]byte("task14"),
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[]byte("task15"),
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}, nil
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}
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return nil, nil
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}
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func (*haTestDispatcherExt) OnErrStage(ctx context.Context, h dispatcher.TaskHandle, gTask *proto.Task, receiveErr []error) (subtaskMeta []byte, err error) {
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return nil, nil
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}
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func (*haTestDispatcherExt) GetEligibleInstances(_ context.Context, _ *proto.Task) ([]*infosync.ServerInfo, error) {
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return generateSchedulerNodes4Test()
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}
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func (*haTestDispatcherExt) IsRetryableErr(error) bool {
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return true
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}
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func (dsp *haTestDispatcherExt) StageFinished(task *proto.Task) bool {
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if task.Step == proto.StepInit && dsp.cnt >= 10 {
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return true
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}
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if task.Step == proto.StepOne && dsp.cnt >= 15 {
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return true
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}
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return false
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}
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func (dsp *haTestDispatcherExt) Finished(task *proto.Task) bool {
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return task.Step == proto.StepOne && dsp.cnt >= 15
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}
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func TestHABasic(t *testing.T) {
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var m sync.Map
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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RegisterTaskMeta(t, ctrl, &m, &haTestDispatcherExt{})
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distContext := testkit.NewDistExecutionContext(t, 4)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler", "return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager", "4*return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown", "return(\":4000\")"))
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DispatchTaskAndCheckSuccess("😊", t, &m)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler"))
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distContext.Close()
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}
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func TestHAManyNodes(t *testing.T) {
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var m sync.Map
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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RegisterTaskMeta(t, ctrl, &m, &haTestDispatcherExt{})
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distContext := testkit.NewDistExecutionContext(t, 30)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler", "return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager", "30*return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown", "return(\":4000\")"))
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DispatchTaskAndCheckSuccess("😊", t, &m)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler"))
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distContext.Close()
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}
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func TestHAFailInDifferentStage(t *testing.T) {
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var m sync.Map
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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RegisterTaskMeta(t, ctrl, &m, &haTestDispatcherExt{})
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distContext := testkit.NewDistExecutionContext(t, 6)
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// stage1 : server num from 6 to 3.
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// stage2 : server num from 3 to 2.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler", "return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager", "6*return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown", "return(\":4000\")"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown2", "return()"))
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DispatchTaskAndCheckSuccess("😊", t, &m)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown2"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler"))
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distContext.Close()
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}
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func TestHAFailInDifferentStageManyNodes(t *testing.T) {
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var m sync.Map
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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RegisterTaskMeta(t, ctrl, &m, &haTestDispatcherExt{})
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distContext := testkit.NewDistExecutionContext(t, 30)
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// stage1 : server num from 30 to 27.
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// stage2 : server num from 27 to 26.
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler", "return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager", "30*return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown", "return(\":4000\")"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown2", "return()"))
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DispatchTaskAndCheckSuccess("😊", t, &m)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBDown2"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockStopManager"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockCleanScheduler"))
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distContext.Close()
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}
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func TestHAReplacedButRunning(t *testing.T) {
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var m sync.Map
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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RegisterTaskMeta(t, ctrl, &m, &haTestDispatcherExt{})
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distContext := testkit.NewDistExecutionContext(t, 4)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBPartitionThenResume", "10*return(true)"))
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DispatchTaskAndCheckSuccess("😊", t, &m)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBPartitionThenResume"))
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distContext.Close()
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}
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func TestHAReplacedButRunningManyNodes(t *testing.T) {
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var m sync.Map
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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RegisterTaskMeta(t, ctrl, &m, &haTestDispatcherExt{})
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distContext := testkit.NewDistExecutionContext(t, 30)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBPartitionThenResume", "30*return(true)"))
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DispatchTaskAndCheckSuccess("😊", t, &m)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/disttask/framework/scheduler/mockTiDBPartitionThenResume"))
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distContext.Close()
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}
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