github.com/pingcap/tiup@v1.15.1/components/cluster/command/meta.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 command
    15  
    16  import (
    17  	"fmt"
    18  	"strings"
    19  	"time"
    20  
    21  	"github.com/spf13/cobra"
    22  )
    23  
    24  func newMetaCmd() *cobra.Command {
    25  	cmd := &cobra.Command{
    26  		Use:   "meta",
    27  		Short: "backup/restore meta information",
    28  	}
    29  
    30  	var filePath string
    31  
    32  	var metaBackupCmd = &cobra.Command{
    33  		Use:   "backup <cluster-name>",
    34  		Short: "backup topology and other information of cluster",
    35  		RunE: func(cmd *cobra.Command, args []string) error {
    36  			if len(args) != 1 {
    37  				return fmt.Errorf("please input cluster-name")
    38  			}
    39  			if filePath == "" {
    40  				filePath = "tiup-cluster_" + args[0] + "_metabackup_" + strings.ReplaceAll(time.Now().Format(time.RFC3339), ":", "-") + ".tar.gz"
    41  			}
    42  			err := cm.BackupClusterMeta(args[0], filePath)
    43  			if err == nil {
    44  				log.Infof("successfully backup meta of cluster %s on %s", args[0], filePath)
    45  			}
    46  			return err
    47  		},
    48  	}
    49  	metaBackupCmd.Flags().StringVar(&filePath, "file", "", "filepath of output tarball")
    50  
    51  	var metaRestoreCmd = &cobra.Command{
    52  		Use:   "restore <cluster-name> <backup-file>",
    53  		Short: "restore topology and other information of cluster",
    54  		RunE: func(cmd *cobra.Command, args []string) error {
    55  			if len(args) != 2 {
    56  				return fmt.Errorf("please input cluster-name and backup-file")
    57  			}
    58  			return cm.RestoreClusterMeta(args[0], args[1], skipConfirm)
    59  		},
    60  	}
    61  
    62  	cmd.AddCommand(metaBackupCmd)
    63  	cmd.AddCommand(metaRestoreCmd)
    64  
    65  	return cmd
    66  }