Files
tidb/pkg/disttask/framework/storage/table_test.go

642 lines
23 KiB
Go

// Copyright 2023 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 storage_test
import (
"context"
"testing"
"time"
"github.com/ngaut/pools"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/pkg/disttask/framework/proto"
"github.com/pingcap/tidb/pkg/disttask/framework/storage"
"github.com/pingcap/tidb/pkg/testkit"
"github.com/pingcap/tidb/pkg/testkit/testsetup"
"github.com/stretchr/testify/require"
"github.com/tikv/client-go/v2/util"
"go.uber.org/goleak"
)
func TestMain(m *testing.M) {
testsetup.SetupForCommonTest()
opts := []goleak.Option{
goleak.IgnoreTopFunction("github.com/golang/glog.(*fileSink).flushDaemon"),
goleak.IgnoreTopFunction("github.com/lestrrat-go/httprc.runFetchWorker"),
goleak.IgnoreTopFunction("go.etcd.io/etcd/client/pkg/v3/logutil.(*MergeLogger).outputLoop"),
}
goleak.VerifyTestMain(m, opts...)
}
func GetResourcePool(t *testing.T) *pools.ResourcePool {
store := testkit.CreateMockStore(t)
tk := testkit.NewTestKit(t, store)
pool := pools.NewResourcePool(func() (pools.Resource, error) {
return tk.Session(), nil
}, 1, 1, time.Second)
return pool
}
func GetTaskManager(t *testing.T, pool *pools.ResourcePool) *storage.TaskManager {
manager := storage.NewTaskManager(pool)
storage.SetTaskManager(manager)
manager, err := storage.GetTaskManager()
require.NoError(t, err)
return manager
}
func TestGlobalTaskTable(t *testing.T) {
pool := GetResourcePool(t)
gm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
id, err := gm.AddNewGlobalTask(ctx, "key1", "test", 4, []byte("test"))
require.NoError(t, err)
require.Equal(t, int64(1), id)
task, err := gm.GetNewGlobalTask(ctx)
require.NoError(t, err)
require.Equal(t, int64(1), task.ID)
require.Equal(t, "key1", task.Key)
require.Equal(t, proto.TaskType("test"), task.Type)
require.Equal(t, proto.TaskStatePending, task.State)
require.Equal(t, uint64(4), task.Concurrency)
require.Equal(t, []byte("test"), task.Meta)
task2, err := gm.GetGlobalTaskByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, task, task2)
task3, err := gm.GetGlobalTasksInStates(ctx, proto.TaskStatePending)
require.NoError(t, err)
require.Len(t, task3, 1)
require.Equal(t, task, task3[0])
task4, err := gm.GetGlobalTasksInStates(ctx, proto.TaskStatePending, proto.TaskStateRunning)
require.NoError(t, err)
require.Len(t, task4, 1)
require.Equal(t, task, task4[0])
require.GreaterOrEqual(t, task4[0].StateUpdateTime, task.StateUpdateTime)
prevState := task.State
task.State = proto.TaskStateRunning
retryable, err := gm.UpdateGlobalTaskAndAddSubTasks(ctx, task, nil, prevState)
require.NoError(t, err)
require.Equal(t, true, retryable)
task5, err := gm.GetGlobalTasksInStates(ctx, proto.TaskStateRunning)
require.NoError(t, err)
require.Len(t, task5, 1)
require.Equal(t, task.State, task5[0].State)
task6, err := gm.GetGlobalTaskByKey(ctx, "key1")
require.NoError(t, err)
require.Len(t, task5, 1)
require.Equal(t, task.State, task6.State)
// test cannot insert task with dup key
_, err = gm.AddNewGlobalTask(ctx, "key1", "test2", 4, []byte("test2"))
require.EqualError(t, err, "[kv:1062]Duplicate entry 'key1' for key 'tidb_global_task.task_key'")
// test cancel global task
id, err = gm.AddNewGlobalTask(ctx, "key2", "test", 4, []byte("test"))
require.NoError(t, err)
cancelling, err := gm.IsGlobalTaskCancelling(ctx, id)
require.NoError(t, err)
require.False(t, cancelling)
require.NoError(t, gm.CancelGlobalTask(ctx, id))
cancelling, err = gm.IsGlobalTaskCancelling(ctx, id)
require.NoError(t, err)
require.True(t, cancelling)
}
func TestSubTaskTable(t *testing.T) {
pool := GetResourcePool(t)
sm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
err := sm.AddNewSubTask(ctx, 1, proto.StepInit, "tidb1", []byte("test"), proto.TaskTypeExample, false)
require.NoError(t, err)
nilTask, err := sm.GetFirstSubtaskInStates(ctx, "tidb2", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.Nil(t, nilTask)
subtask, err := sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, proto.TaskTypeExample, subtask.Type)
require.Equal(t, int64(1), subtask.TaskID)
require.Equal(t, proto.TaskStatePending, subtask.State)
require.Equal(t, "tidb1", subtask.SchedulerID)
require.Equal(t, []byte("test"), subtask.Meta)
require.Zero(t, subtask.StartTime)
require.Zero(t, subtask.UpdateTime)
subtask2, err := sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending, proto.TaskStateReverted)
require.NoError(t, err)
require.Equal(t, subtask, subtask2)
ids, err := sm.GetSchedulerIDsByTaskID(ctx, 1)
require.NoError(t, err)
require.Len(t, ids, 1)
require.Equal(t, "tidb1", ids[0])
ids, err = sm.GetSchedulerIDsByTaskID(ctx, 3)
require.NoError(t, err)
require.Len(t, ids, 0)
cnt, err := sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(1), cnt)
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePending, proto.TaskStateRevertPending)
require.NoError(t, err)
require.Equal(t, int64(1), cnt)
ok, err := sm.HasSubtasksInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.True(t, ok)
ts := time.Now()
time.Sleep(time.Second)
require.NoError(t, sm.StartSubtask(ctx, 1))
subtask, err = sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.Nil(t, subtask)
subtask, err = sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStateRunning)
require.NoError(t, err)
require.Equal(t, proto.TaskTypeExample, subtask.Type)
require.Equal(t, int64(1), subtask.TaskID)
require.Equal(t, proto.TaskStateRunning, subtask.State)
require.Equal(t, "tidb1", subtask.SchedulerID)
require.Equal(t, []byte("test"), subtask.Meta)
require.GreaterOrEqual(t, subtask.StartTime, ts)
require.GreaterOrEqual(t, subtask.UpdateTime, ts)
// check update time after state change to cancel
time.Sleep(time.Second)
require.NoError(t, sm.UpdateSubtaskStateAndError(ctx, "tidb1", 1, proto.TaskStateCancelling, nil))
subtask2, err = sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStateCancelling)
require.NoError(t, err)
require.Equal(t, proto.TaskStateCancelling, subtask2.State)
require.Greater(t, subtask2.UpdateTime, subtask.UpdateTime)
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(0), cnt)
ok, err = sm.HasSubtasksInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.False(t, ok)
err = sm.DeleteSubtasksByTaskID(ctx, 1)
require.NoError(t, err)
ok, err = sm.HasSubtasksInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending, proto.TaskStateRunning)
require.NoError(t, err)
require.False(t, ok)
err = sm.AddNewSubTask(ctx, 2, proto.StepInit, "tidb1", []byte("test"), proto.TaskTypeExample, true)
require.NoError(t, err)
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 2, proto.TaskStateRevertPending)
require.NoError(t, err)
require.Equal(t, int64(1), cnt)
subtasks, err := sm.GetSucceedSubtasksByStep(ctx, 2, proto.StepInit)
require.NoError(t, err)
require.Len(t, subtasks, 0)
err = sm.FinishSubtask(ctx, "tidb1", 2, []byte{})
require.NoError(t, err)
subtasks, err = sm.GetSucceedSubtasksByStep(ctx, 2, proto.StepInit)
require.NoError(t, err)
require.Len(t, subtasks, 1)
rowCount, err := sm.GetSubtaskRowCount(ctx, 2, proto.StepInit)
require.NoError(t, err)
require.Equal(t, int64(0), rowCount)
err = sm.UpdateSubtaskRowCount(ctx, 2, 100)
require.NoError(t, err)
rowCount, err = sm.GetSubtaskRowCount(ctx, 2, proto.StepInit)
require.NoError(t, err)
require.Equal(t, int64(100), rowCount)
// test UpdateErrorToSubtask do update start/update time
err = sm.AddNewSubTask(ctx, 3, proto.StepInit, "for_test", []byte("test"), proto.TaskTypeExample, false)
require.NoError(t, err)
require.NoError(t, sm.UpdateErrorToSubtask(ctx, "for_test", 3, errors.New("fail")))
subtask, err = sm.GetFirstSubtaskInStates(ctx, "for_test", 3, proto.StepInit, proto.TaskStateFailed)
require.NoError(t, err)
require.Equal(t, proto.TaskStateFailed, subtask.State)
require.Greater(t, subtask.StartTime, ts)
require.Greater(t, subtask.UpdateTime, ts)
// test FinishSubtask do update update time
err = sm.AddNewSubTask(ctx, 4, proto.StepInit, "for_test1", []byte("test"), proto.TaskTypeExample, false)
require.NoError(t, err)
subtask, err = sm.GetFirstSubtaskInStates(ctx, "for_test1", 4, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.NoError(t, sm.StartSubtask(ctx, subtask.ID))
subtask, err = sm.GetFirstSubtaskInStates(ctx, "for_test1", 4, proto.StepInit, proto.TaskStateRunning)
require.NoError(t, err)
require.Greater(t, subtask.StartTime, ts)
require.Greater(t, subtask.UpdateTime, ts)
time.Sleep(time.Second)
require.NoError(t, sm.FinishSubtask(ctx, "for_test1", subtask.ID, []byte{}))
subtask2, err = sm.GetFirstSubtaskInStates(ctx, "for_test1", 4, proto.StepInit, proto.TaskStateSucceed)
require.NoError(t, err)
require.Equal(t, subtask2.StartTime, subtask.StartTime)
require.Greater(t, subtask2.UpdateTime, subtask.UpdateTime)
// test UpdateFailedSchedulerIDs and IsSchedulerCanceled
canceled, err := sm.IsSchedulerCanceled(ctx, "for_test999", 4)
require.NoError(t, err)
require.True(t, canceled)
canceled, err = sm.IsSchedulerCanceled(ctx, "for_test1", 4)
require.NoError(t, err)
require.False(t, canceled)
canceled, err = sm.IsSchedulerCanceled(ctx, "for_test2", 4)
require.NoError(t, err)
require.True(t, canceled)
require.NoError(t, sm.UpdateSubtaskStateAndError(ctx, "for_test1", 4, proto.TaskStateRunning, nil))
require.NoError(t, sm.UpdateFailedSchedulerIDs(ctx, 4, map[string]string{
"for_test1": "for_test999",
"for_test2": "for_test999",
}))
canceled, err = sm.IsSchedulerCanceled(ctx, "for_test1", 4)
require.NoError(t, err)
require.True(t, canceled)
canceled, err = sm.IsSchedulerCanceled(ctx, "for_test2", 4)
require.NoError(t, err)
require.True(t, canceled)
canceled, err = sm.IsSchedulerCanceled(ctx, "for_test999", 4)
require.NoError(t, err)
require.False(t, canceled)
}
func TestBothGlobalAndSubTaskTable(t *testing.T) {
pool := GetResourcePool(t)
sm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
id, err := sm.AddNewGlobalTask(ctx, "key1", "test", 4, []byte("test"))
require.NoError(t, err)
require.Equal(t, int64(1), id)
task, err := sm.GetNewGlobalTask(ctx)
require.NoError(t, err)
require.Equal(t, proto.TaskStatePending, task.State)
// isSubTaskRevert: false
prevState := task.State
task.State = proto.TaskStateRunning
subTasks := []*proto.Subtask{
{
Step: proto.StepInit,
Type: proto.TaskTypeExample,
SchedulerID: "instance1",
Meta: []byte("m1"),
},
{
Step: proto.StepInit,
Type: proto.TaskTypeExample,
SchedulerID: "instance2",
Meta: []byte("m2"),
},
}
retryable, err := sm.UpdateGlobalTaskAndAddSubTasks(ctx, task, subTasks, prevState)
require.NoError(t, err)
require.Equal(t, true, retryable)
task, err = sm.GetGlobalTaskByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, proto.TaskStateRunning, task.State)
subtask1, err := sm.GetFirstSubtaskInStates(ctx, "instance1", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(1), subtask1.ID)
require.Equal(t, proto.TaskTypeExample, subtask1.Type)
require.Equal(t, []byte("m1"), subtask1.Meta)
subtask2, err := sm.GetFirstSubtaskInStates(ctx, "instance2", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(2), subtask2.ID)
require.Equal(t, proto.TaskTypeExample, subtask2.Type)
require.Equal(t, []byte("m2"), subtask2.Meta)
cnt, err := sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(2), cnt)
// isSubTaskRevert: true
prevState = task.State
task.State = proto.TaskStateReverting
subTasks = []*proto.Subtask{
{
Step: proto.StepInit,
Type: proto.TaskTypeExample,
SchedulerID: "instance3",
Meta: []byte("m3"),
},
{
Step: proto.StepInit,
Type: proto.TaskTypeExample,
SchedulerID: "instance4",
Meta: []byte("m4"),
},
}
retryable, err = sm.UpdateGlobalTaskAndAddSubTasks(ctx, task, subTasks, prevState)
require.NoError(t, err)
require.Equal(t, true, retryable)
task, err = sm.GetGlobalTaskByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, proto.TaskStateReverting, task.State)
subtask1, err = sm.GetFirstSubtaskInStates(ctx, "instance3", 1, proto.StepInit, proto.TaskStateRevertPending)
require.NoError(t, err)
require.Equal(t, int64(3), subtask1.ID)
require.Equal(t, proto.TaskTypeExample, subtask1.Type)
require.Equal(t, []byte("m3"), subtask1.Meta)
subtask2, err = sm.GetFirstSubtaskInStates(ctx, "instance4", 1, proto.StepInit, proto.TaskStateRevertPending)
require.NoError(t, err)
require.Equal(t, int64(4), subtask2.ID)
require.Equal(t, proto.TaskTypeExample, subtask2.Type)
require.Equal(t, []byte("m4"), subtask2.Meta)
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStateRevertPending)
require.NoError(t, err)
require.Equal(t, int64(2), cnt)
// test transactional
require.NoError(t, sm.DeleteSubtasksByTaskID(ctx, 1))
failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/storage/MockUpdateTaskErr", "1*return(true)")
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/storage/MockUpdateTaskErr"))
}()
prevState = task.State
task.State = proto.TaskStateFailed
retryable, err = sm.UpdateGlobalTaskAndAddSubTasks(ctx, task, subTasks, prevState)
require.EqualError(t, err, "updateTaskErr")
require.Equal(t, true, retryable)
task, err = sm.GetGlobalTaskByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, proto.TaskStateReverting, task.State)
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStateRevertPending)
require.NoError(t, err)
require.Equal(t, int64(0), cnt)
}
func TestDistFrameworkMeta(t *testing.T) {
pool := GetResourcePool(t)
sm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
require.NoError(t, sm.StartManager(ctx, ":4000", "background"))
require.NoError(t, sm.StartManager(ctx, ":4001", ""))
require.NoError(t, sm.StartManager(ctx, ":4002", ""))
require.NoError(t, sm.StartManager(ctx, ":4002", "background"))
allNodes, err := sm.GetAllNodes(ctx)
require.NoError(t, err)
require.Equal(t, []string{":4000", ":4001", ":4002"}, allNodes)
nodes, err := sm.GetNodesByRole(ctx, "background")
require.NoError(t, err)
require.Equal(t, map[string]bool{
":4000": true,
":4002": true,
}, nodes)
nodes, err = sm.GetNodesByRole(ctx, "")
require.NoError(t, err)
require.Equal(t, map[string]bool{
":4001": true,
}, nodes)
require.NoError(t, sm.CleanUpMeta(ctx, []string{":4000"}))
nodes, err = sm.GetNodesByRole(ctx, "background")
require.NoError(t, err)
require.Equal(t, map[string]bool{
":4002": true,
}, nodes)
require.NoError(t, sm.CleanUpMeta(ctx, []string{":4002"}))
nodes, err = sm.GetNodesByRole(ctx, "background")
require.NoError(t, err)
require.Equal(t, map[string]bool{}, nodes)
}
func TestSubtaskHistoryTable(t *testing.T) {
pool := GetResourcePool(t)
sm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
const (
taskID = 1
taskID2 = 2
subTask1 = 1
subTask2 = 2
subTask3 = 3
subTask4 = 4 // taskID2
tidb1 = "tidb1"
tidb2 = "tidb2"
tidb3 = "tidb3"
meta = "test"
finishedMeta = "finished"
)
require.NoError(t, sm.AddNewSubTask(ctx, taskID, proto.StepInit, tidb1, []byte(meta), proto.TaskTypeExample, false))
require.NoError(t, sm.FinishSubtask(ctx, tidb1, subTask1, []byte(finishedMeta)))
require.NoError(t, sm.AddNewSubTask(ctx, taskID, proto.StepInit, tidb2, []byte(meta), proto.TaskTypeExample, false))
require.NoError(t, sm.UpdateSubtaskStateAndError(ctx, tidb2, subTask2, proto.TaskStateCanceled, nil))
require.NoError(t, sm.AddNewSubTask(ctx, taskID, proto.StepInit, tidb3, []byte(meta), proto.TaskTypeExample, false))
require.NoError(t, sm.UpdateSubtaskStateAndError(ctx, tidb3, subTask3, proto.TaskStateFailed, nil))
subTasks, err := storage.GetSubtasksByTaskIDForTest(ctx, sm, taskID)
require.NoError(t, err)
require.Len(t, subTasks, 3)
historySubTasksCnt, err := storage.GetSubtasksFromHistoryForTest(ctx, sm)
require.NoError(t, err)
require.Equal(t, 0, historySubTasksCnt)
subTasks, err = sm.GetSubtasksForImportInto(ctx, taskID, proto.StepInit)
require.NoError(t, err)
require.Len(t, subTasks, 3)
// test TransferSubTasks2History
require.NoError(t, sm.TransferSubTasks2History(ctx, taskID))
subTasks, err = storage.GetSubtasksByTaskIDForTest(ctx, sm, taskID)
require.NoError(t, err)
require.Len(t, subTasks, 0)
historySubTasksCnt, err = storage.GetSubtasksFromHistoryForTest(ctx, sm)
require.NoError(t, err)
require.Equal(t, 3, historySubTasksCnt)
subTasks, err = sm.GetSubtasksForImportInto(ctx, taskID, proto.StepInit)
require.NoError(t, err)
require.Len(t, subTasks, 3)
// test GC history table.
failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/storage/subtaskHistoryKeepSeconds", "return(1)")
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/storage/subtaskHistoryKeepSeconds"))
}()
time.Sleep(2 * time.Second)
require.NoError(t, sm.AddNewSubTask(ctx, taskID2, proto.StepInit, tidb1, []byte(meta), proto.TaskTypeExample, false))
require.NoError(t, sm.UpdateSubtaskStateAndError(ctx, tidb1, subTask4, proto.TaskStateFailed, nil))
require.NoError(t, sm.TransferSubTasks2History(ctx, taskID2))
require.NoError(t, sm.GCSubtasks(ctx))
historySubTasksCnt, err = storage.GetSubtasksFromHistoryForTest(ctx, sm)
require.NoError(t, err)
require.Equal(t, 1, historySubTasksCnt)
}
func TestTaskHistoryTable(t *testing.T) {
pool := GetResourcePool(t)
gm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
_, err := gm.AddNewGlobalTask(ctx, "1", proto.TaskTypeExample, 1, nil)
require.NoError(t, err)
taskID, err := gm.AddNewGlobalTask(ctx, "2", proto.TaskTypeExample, 1, nil)
require.NoError(t, err)
tasks, err := gm.GetGlobalTasksInStates(ctx, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, 2, len(tasks))
require.NoError(t, gm.TransferTasks2History(ctx, tasks))
tasks, err = gm.GetGlobalTasksInStates(ctx, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, 0, len(tasks))
num, err := storage.GetTasksFromHistoryForTest(ctx, gm)
require.NoError(t, err)
require.Equal(t, 2, num)
task, err := gm.GetTaskByIDWithHistory(ctx, taskID)
require.NoError(t, err)
require.NotNil(t, task)
task, err = gm.GetGlobalTaskByKeyWithHistory(ctx, "1")
require.NoError(t, err)
require.NotNil(t, task)
// task with fail transfer
_, err = gm.AddNewGlobalTask(ctx, "3", proto.TaskTypeExample, 1, nil)
require.NoError(t, err)
tasks, err = gm.GetGlobalTasksInStates(ctx, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, 1, len(tasks))
tasks[0].Error = errors.New("mock err")
require.NoError(t, gm.TransferTasks2History(ctx, tasks))
num, err = storage.GetTasksFromHistoryForTest(ctx, gm)
require.NoError(t, err)
require.Equal(t, 3, num)
}
func TestPauseAndResume(t *testing.T) {
pool := GetResourcePool(t)
sm := GetTaskManager(t, pool)
defer pool.Close()
ctx := context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
require.NoError(t, sm.AddNewSubTask(ctx, 1, proto.StepInit, "tidb1", []byte("test"), proto.TaskTypeExample, false))
require.NoError(t, sm.AddNewSubTask(ctx, 1, proto.StepInit, "tidb1", []byte("test"), proto.TaskTypeExample, false))
require.NoError(t, sm.AddNewSubTask(ctx, 1, proto.StepInit, "tidb1", []byte("test"), proto.TaskTypeExample, false))
// 1.1 pause all subtasks.
require.NoError(t, sm.PauseSubtasks(ctx, "tidb1", 1))
cnt, err := sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePaused)
require.NoError(t, err)
require.Equal(t, int64(3), cnt)
// 1.2 resume all subtasks.
require.NoError(t, sm.ResumeSubtasks(ctx, 1))
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(3), cnt)
// 2.1 pause 2 subtasks.
sm.UpdateSubtaskStateAndError(ctx, "tidb1", 1, proto.TaskStateSucceed, nil)
require.NoError(t, sm.PauseSubtasks(ctx, "tidb1", 1))
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePaused)
require.NoError(t, err)
require.Equal(t, int64(2), cnt)
// 2.2 resume 2 subtasks.
require.NoError(t, sm.ResumeSubtasks(ctx, 1))
cnt, err = sm.GetSubtaskInStatesCnt(ctx, 1, proto.TaskStatePending)
require.NoError(t, err)
require.Equal(t, int64(2), cnt)
}
func TestCancelAndExecIdChanged(t *testing.T) {
pool := GetResourcePool(t)
sm := GetTaskManager(t, pool)
defer pool.Close()
ctx, cancel := context.WithCancel(context.Background())
ctx = util.WithInternalSourceType(ctx, "table_test")
require.NoError(t, sm.AddNewSubTask(ctx, 1, proto.StepInit, "tidb1", []byte("test"), proto.TaskTypeExample, false))
subtask, err := sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
// 1. cancel the ctx, then update subtask state.
cancel()
require.ErrorIs(t, sm.UpdateSubtaskStateAndError(ctx, "tidb1", subtask.ID, proto.TaskStateFailed, nil), context.Canceled)
ctx = context.Background()
ctx = util.WithInternalSourceType(ctx, "table_test")
subtask, err = sm.GetFirstSubtaskInStates(ctx, "tidb1", 1, proto.StepInit, proto.TaskStatePending)
// task state not changed
require.NoError(t, err)
require.Equal(t, subtask.State, proto.TaskStatePending)
// 2. change the exec_id
// exec_id changed
require.NoError(t, sm.UpdateSubtaskExecID(ctx, "tidb2", subtask.ID))
// exec_id in memory unchanged, call UpdateSubtaskStateAndError.
require.NoError(t, sm.UpdateSubtaskStateAndError(ctx, subtask.SchedulerID, subtask.ID, proto.TaskStateFailed, nil))
subtask, err = sm.GetFirstSubtaskInStates(ctx, "tidb2", 1, proto.StepInit, proto.TaskStatePending)
require.NoError(t, err)
// state unchanged
require.NotNil(t, subtask)
}