github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/dm/worker/utils.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package worker
    15  
    16  import (
    17  	"github.com/pingcap/tiflow/dm/config"
    18  	"github.com/pingcap/tiflow/dm/pb"
    19  	"github.com/pingcap/tiflow/dm/pkg/ha"
    20  	clientv3 "go.etcd.io/etcd/client/v3"
    21  )
    22  
    23  func getExpectValidatorStage(cfg config.ValidatorConfig, etcdClient *clientv3.Client, source, task string, revision int64) (pb.Stage, error) {
    24  	// for subtask with validation mode=none, there is no validator stage, set to invalid
    25  	expectedValidatorStage := pb.Stage_InvalidStage
    26  	if cfg.Mode != config.ValidationNone {
    27  		validatorStageM, _, err := ha.GetValidatorStage(etcdClient, source, task, revision)
    28  		if err != nil {
    29  			return expectedValidatorStage, err
    30  		}
    31  		if s, ok := validatorStageM[task]; ok {
    32  			expectedValidatorStage = s.Expect
    33  		}
    34  	}
    35  	return expectedValidatorStage, nil
    36  }