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

     1  // Copyright 2019 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 utils
    15  
    16  import (
    17  	"context"
    18  	"os"
    19  	"strings"
    20  	"time"
    21  
    22  	"github.com/pingcap/errors"
    23  	"github.com/pingcap/tiflow/dm/pb"
    24  	"google.golang.org/grpc"
    25  )
    26  
    27  // CreateDmCtl creates a gRPC client to DM-master.
    28  func CreateDmCtl(addr string) (pb.MasterClient, error) {
    29  	// TODO: use tls, this function is not used
    30  	//nolint:staticcheck
    31  	conn, err := grpc.Dial(addr, grpc.WithInsecure(), grpc.WithBackoffMaxDelay(3*time.Second))
    32  	if err != nil {
    33  		return nil, errors.Trace(err)
    34  	}
    35  	return pb.NewMasterClient(conn), nil
    36  }
    37  
    38  // StartTask starts a task with the specified config.
    39  func StartTask(ctx context.Context, cli pb.MasterClient, configFile string, workers []string) error {
    40  	content, err := os.ReadFile(configFile)
    41  	if err != nil {
    42  		return errors.Trace(err)
    43  	}
    44  
    45  	resp, err := cli.StartTask(ctx, &pb.StartTaskRequest{
    46  		Task:    string(content),
    47  		Sources: workers,
    48  	})
    49  	if err != nil {
    50  		return errors.Trace(err)
    51  	}
    52  
    53  	if !resp.GetResult() {
    54  		return errors.Errorf("start task resp error: %s", resp.GetMsg())
    55  	}
    56  
    57  	for _, wp := range resp.GetSources() {
    58  		if !wp.GetResult() && !strings.Contains(wp.GetMsg(), "request is timeout, but request may be successful") {
    59  			return errors.Errorf("fail to start task %v: %s", string(content), wp.GetMsg())
    60  		}
    61  	}
    62  
    63  	return nil
    64  }
    65  
    66  // OperateTask does operations on the task.
    67  func OperateTask(ctx context.Context, cli pb.MasterClient, op pb.TaskOp, name string, workers []string) error {
    68  	resp, err := cli.OperateTask(ctx, &pb.OperateTaskRequest{
    69  		Op:      op,
    70  		Name:    name,
    71  		Sources: workers,
    72  	})
    73  	if err != nil {
    74  		return errors.Trace(err)
    75  	}
    76  
    77  	for _, wp := range resp.GetSources() {
    78  		if !wp.GetResult() {
    79  			return errors.Errorf("fail to do %v operate on task %s: %s", op, name, wp.GetMsg())
    80  		}
    81  	}
    82  
    83  	return nil
    84  }