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disttask: add pending to failed state transform (#46357)
ref #46258
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| // 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 framework_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "sync" | ||
| "testing" | ||
|
|
||
| "github.com/pingcap/tidb/disttask/framework/dispatcher" | ||
| "github.com/pingcap/tidb/disttask/framework/proto" | ||
| "github.com/pingcap/tidb/disttask/framework/scheduler" | ||
| "github.com/pingcap/tidb/domain/infosync" | ||
| "github.com/pingcap/tidb/testkit" | ||
| ) | ||
|
|
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| type planErrFlowHandle struct { | ||
| callTime int | ||
| } | ||
|
|
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| var _ dispatcher.TaskFlowHandle = (*planErrFlowHandle)(nil) | ||
|
|
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| func (*planErrFlowHandle) OnTicker(_ context.Context, _ *proto.Task) { | ||
| } | ||
|
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| func (p *planErrFlowHandle) ProcessNormalFlow(_ context.Context, _ dispatcher.TaskHandle, gTask *proto.Task) (metas [][]byte, err error) { | ||
| if gTask.State == proto.TaskStatePending { | ||
| if p.callTime == 0 { | ||
| p.callTime++ | ||
| return nil, errors.New("retryable err") | ||
| } | ||
| gTask.Step = proto.StepOne | ||
| return [][]byte{ | ||
| []byte("task1"), | ||
| []byte("task2"), | ||
| []byte("task3"), | ||
| }, nil | ||
| } | ||
| if gTask.Step == proto.StepOne { | ||
| gTask.Step = proto.StepTwo | ||
| return [][]byte{ | ||
| []byte("task4"), | ||
| }, nil | ||
| } | ||
| return nil, nil | ||
| } | ||
|
|
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| func (p *planErrFlowHandle) ProcessErrFlow(_ context.Context, _ dispatcher.TaskHandle, _ *proto.Task, _ []error) (meta []byte, err error) { | ||
| if p.callTime == 1 { | ||
| p.callTime++ | ||
| return nil, errors.New("not retryable err") | ||
| } | ||
| return []byte("planErrTask"), nil | ||
| } | ||
|
|
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| func (*planErrFlowHandle) GetEligibleInstances(_ context.Context, _ *proto.Task) ([]*infosync.ServerInfo, error) { | ||
| return generateSchedulerNodes4Test() | ||
| } | ||
|
|
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| func (*planErrFlowHandle) IsRetryableErr(error) bool { | ||
| return true | ||
| } | ||
|
|
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| type planNotRetryableErrFlowHandle struct { | ||
| } | ||
|
|
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| func (*planNotRetryableErrFlowHandle) OnTicker(_ context.Context, _ *proto.Task) { | ||
| } | ||
|
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| func (p *planNotRetryableErrFlowHandle) ProcessNormalFlow(_ context.Context, _ dispatcher.TaskHandle, gTask *proto.Task) (metas [][]byte, err error) { | ||
| return nil, errors.New("not retryable err") | ||
| } | ||
|
|
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| func (*planNotRetryableErrFlowHandle) ProcessErrFlow(_ context.Context, _ dispatcher.TaskHandle, _ *proto.Task, _ []error) (meta []byte, err error) { | ||
| return nil, errors.New("not retryable err") | ||
| } | ||
|
|
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| func (*planNotRetryableErrFlowHandle) GetEligibleInstances(_ context.Context, _ *proto.Task) ([]*infosync.ServerInfo, error) { | ||
| return generateSchedulerNodes4Test() | ||
| } | ||
|
|
||
| func (*planNotRetryableErrFlowHandle) IsRetryableErr(error) bool { | ||
| return false | ||
| } | ||
|
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| func TestPlanErr(t *testing.T) { | ||
| defer dispatcher.ClearTaskFlowHandle() | ||
| defer scheduler.ClearSchedulers() | ||
| m := sync.Map{} | ||
|
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| RegisterTaskMeta(&m, &planErrFlowHandle{0}) | ||
| distContext := testkit.NewDistExecutionContext(t, 2) | ||
| DispatchTaskAndCheckSuccess("key1", t, &m) | ||
| distContext.Close() | ||
| } | ||
|
|
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| func TestRevertPlanErr(t *testing.T) { | ||
| defer dispatcher.ClearTaskFlowHandle() | ||
| defer scheduler.ClearSchedulers() | ||
| m := sync.Map{} | ||
|
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| RegisterTaskMeta(&m, &planErrFlowHandle{0}) | ||
| distContext := testkit.NewDistExecutionContext(t, 2) | ||
| DispatchTaskAndCheckSuccess("key1", t, &m) | ||
| distContext.Close() | ||
| } | ||
|
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| func TestPlanNotRetryableErr(t *testing.T) { | ||
| defer dispatcher.ClearTaskFlowHandle() | ||
| defer scheduler.ClearSchedulers() | ||
| m := sync.Map{} | ||
|
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| RegisterTaskMeta(&m, &planNotRetryableErrFlowHandle{}) | ||
| distContext := testkit.NewDistExecutionContext(t, 2) | ||
| DispatchTaskAndCheckState("key1", t, &m, proto.TaskStateFailed) | ||
| distContext.Close() | ||
| } |
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