github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/dm/worker/v1meta.go (about)

     1  // Copyright 2020 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  	"context"
    18  	"fmt"
    19  
    20  	"github.com/pingcap/tiflow/dm/pb"
    21  	"github.com/pingcap/tiflow/dm/pkg/log"
    22  	"github.com/pingcap/tiflow/dm/pkg/v1workermeta"
    23  	"go.uber.org/zap"
    24  )
    25  
    26  // OperateV1Meta implements WorkerServer.OperateV1Meta.
    27  func (s *Server) OperateV1Meta(ctx context.Context, req *pb.OperateV1MetaRequest) (*pb.OperateV1MetaResponse, error) {
    28  	log.L().Info("", zap.String("request", "OperateV1Meta"), zap.Stringer("payload", req))
    29  
    30  	switch req.Op {
    31  	case pb.V1MetaOp_GetV1Meta:
    32  		meta, err := v1workermeta.GetSubtasksMeta()
    33  		if err != nil {
    34  			// nolint:nilerr
    35  			return &pb.OperateV1MetaResponse{
    36  				Result: false,
    37  				Msg:    err.Error(),
    38  			}, nil
    39  		}
    40  		return &pb.OperateV1MetaResponse{
    41  			Result: true,
    42  			Meta:   meta,
    43  		}, nil
    44  	case pb.V1MetaOp_RemoveV1Meta:
    45  		err := v1workermeta.RemoveSubtasksMeta()
    46  		if err != nil {
    47  			// nolint:nilerr
    48  			return &pb.OperateV1MetaResponse{
    49  				Result: false,
    50  				Msg:    err.Error(),
    51  			}, nil
    52  		}
    53  		return &pb.OperateV1MetaResponse{
    54  			Result: true,
    55  		}, nil
    56  	default:
    57  		return &pb.OperateV1MetaResponse{
    58  			Result: false,
    59  			Msg:    fmt.Sprintf("invalid op %s", req.Op.String()),
    60  		}, nil
    61  	}
    62  }