github.com/pingcap/tiup@v1.15.1/components/cluster/command/telemetry.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 command
    15  
    16  import (
    17  	"context"
    18  	"fmt"
    19  
    20  	"github.com/pingcap/tiup/pkg/telemetry"
    21  	"github.com/spf13/cobra"
    22  )
    23  
    24  func newTelemetryCmd() *cobra.Command {
    25  	cmd := &cobra.Command{
    26  		Use:    "_telemetry",
    27  		Short:  "telemetry",
    28  		Hidden: true,
    29  		RunE: func(cmd *cobra.Command, args []string) error {
    30  			if len(args) < 1 {
    31  				return cmd.Help()
    32  			}
    33  
    34  			switch args[0] {
    35  			case "node_info":
    36  				return nodeInfo(context.Background())
    37  			default:
    38  				fmt.Println("unknown command: ", args[1])
    39  				return cmd.Help()
    40  			}
    41  		},
    42  	}
    43  
    44  	return cmd
    45  }
    46  
    47  // nodeInfo dispaly telemetry.NodeInfo in stdout.
    48  func nodeInfo(ctx context.Context) error {
    49  	info := new(telemetry.NodeInfo)
    50  	err := telemetry.FillNodeInfo(ctx, info)
    51  	if err != nil {
    52  		return err
    53  	}
    54  
    55  	text, err := telemetry.NodeInfoToText(info)
    56  	if err != nil {
    57  		return err
    58  	}
    59  
    60  	fmt.Println(text)
    61  	return nil
    62  }