github.com/pingcap/tiup@v1.15.1/components/dm/command/patch.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  	perrs "github.com/pingcap/errors"
    18  	"github.com/spf13/cobra"
    19  )
    20  
    21  func newPatchCmd() *cobra.Command {
    22  	var (
    23  		overwrite   bool
    24  		offlineMode bool
    25  	)
    26  	cmd := &cobra.Command{
    27  		Use:   "patch <cluster-name> <package-path>",
    28  		Short: "Replace the remote package with a specified package and restart the service",
    29  		RunE: func(cmd *cobra.Command, args []string) error {
    30  			if len(args) != 2 {
    31  				return cmd.Help()
    32  			}
    33  
    34  			if err := validRoles(gOpt.Roles); err != nil {
    35  				return err
    36  			}
    37  
    38  			if len(gOpt.Nodes) == 0 && len(gOpt.Roles) == 0 {
    39  				return perrs.New("the flag -R or -N must be specified at least one")
    40  			}
    41  
    42  			clusterName := args[0]
    43  
    44  			return cm.Patch(clusterName, args[1], gOpt, overwrite, offlineMode, skipConfirm)
    45  		},
    46  	}
    47  
    48  	cmd.Flags().BoolVar(&overwrite, "overwrite", false, "Use this package in the future scale-out operations")
    49  	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Specify the nodes")
    50  	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Specify the roles")
    51  	cmd.Flags().BoolVarP(&offlineMode, "offline", "", false, "Patch a stopped cluster")
    52  	return cmd
    53  }