github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/plan/function/ctl/cmd_task.go (about)

     1  // Copyright 2021 - 2022 Matrix Origin
     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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package ctl
    16  
    17  import (
    18  	"context"
    19  	"strings"
    20  	"time"
    21  
    22  	"github.com/matrixorigin/matrixone/pkg/clusterservice"
    23  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    24  	"github.com/matrixorigin/matrixone/pkg/pb/metadata"
    25  	querypb "github.com/matrixorigin/matrixone/pkg/pb/query"
    26  	taskpb "github.com/matrixorigin/matrixone/pkg/pb/task"
    27  	qclient "github.com/matrixorigin/matrixone/pkg/queryservice/client"
    28  	"github.com/matrixorigin/matrixone/pkg/taskservice"
    29  	"github.com/matrixorigin/matrixone/pkg/vm/process"
    30  )
    31  
    32  var (
    33  	disableTask = "disable"
    34  	enableTask  = "enable"
    35  	getUser     = "getuser"
    36  
    37  	taskMap = map[string]int32{
    38  		"storageusage": int32(taskpb.TaskCode_MetricStorageUsage),
    39  	}
    40  )
    41  
    42  // handleTask handles task command
    43  // parameter format:
    44  // 1. enable
    45  // 2. disable
    46  // 3. [uuid:]taskId
    47  func handleTask(proc *process.Process,
    48  	service serviceType,
    49  	parameter string,
    50  	sender requestSender) (Result, error) {
    51  	parameter = strings.ToLower(parameter)
    52  	switch parameter {
    53  	case disableTask:
    54  		taskservice.DebugCtlTaskFramework(true)
    55  		return Result{
    56  			Method: TaskMethod,
    57  			Data:   "OK",
    58  		}, nil
    59  	case enableTask:
    60  		taskservice.DebugCtlTaskFramework(false)
    61  		return Result{
    62  			Method: TaskMethod,
    63  			Data:   "OK",
    64  		}, nil
    65  	case getUser:
    66  		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    67  		state, err := proc.Hakeeper.GetClusterState(ctx)
    68  		cancel()
    69  		if err != nil {
    70  			return Result{Method: TaskMethod, Data: "failed to get cluster state"}, err
    71  		}
    72  		user := state.GetTaskTableUser()
    73  		return Result{Method: TaskMethod, Data: user}, nil
    74  	default:
    75  	}
    76  
    77  	target, taskCode, err := checkRunTaskParameter(parameter)
    78  	if err != nil {
    79  		return Result{}, err
    80  	}
    81  	resp, err := transferTaskToCN(proc.QueryClient, target, taskCode)
    82  	if err != nil {
    83  		return Result{}, err
    84  	}
    85  	return Result{
    86  		Method: TaskMethod,
    87  		Data:   resp,
    88  	}, nil
    89  }
    90  
    91  func checkRunTaskParameter(param string) (string, int32, error) {
    92  	// uuid:taskId
    93  	args := strings.Split(param, ":")
    94  	if len(args) != 2 {
    95  		return "", 0, moerr.NewInternalErrorNoCtx("cmd invalid, expected uuid:task")
    96  	}
    97  	taskCode, ok := taskMap[args[1]]
    98  	if !ok {
    99  		return "", 0, moerr.NewInternalErrorNoCtx("cmd invalid, task %s not found", args[1])
   100  	}
   101  	return args[0], taskCode, nil
   102  }
   103  
   104  func transferTaskToCN(qc qclient.QueryClient, target string, taskCode int32) (resp *querypb.Response, err error) {
   105  	clusterservice.GetMOCluster().GetCNService(
   106  		clusterservice.NewServiceIDSelector(target),
   107  		func(cn metadata.CNService) bool {
   108  			req := qc.NewRequest(querypb.CmdMethod_RunTask)
   109  			req.RunTask = &querypb.RunTaskRequest{TaskCode: taskCode}
   110  			ctx, cancel := context.WithTimeout(context.Background(), time.Second)
   111  			defer cancel()
   112  
   113  			resp, err = qc.SendMessage(ctx, cn.QueryAddress, req)
   114  			return true
   115  		})
   116  	return
   117  }