github.com/pingcap/tiup@v1.15.1/components/cluster/command/restart.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  	"github.com/spf13/cobra"
    18  )
    19  
    20  func newRestartCmd() *cobra.Command {
    21  	cmd := &cobra.Command{
    22  		Use:   "restart <cluster-name>",
    23  		Short: "Restart a TiDB cluster",
    24  		RunE: func(cmd *cobra.Command, args []string) error {
    25  			if len(args) != 1 {
    26  				return cmd.Help()
    27  			}
    28  
    29  			if err := validRoles(gOpt.Roles); err != nil {
    30  				return err
    31  			}
    32  
    33  			clusterName := args[0]
    34  			clusterReport.ID = scrubClusterName(clusterName)
    35  			teleCommand = append(teleCommand, scrubClusterName(clusterName))
    36  
    37  			return cm.RestartCluster(clusterName, gOpt, skipConfirm)
    38  		},
    39  		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    40  			switch len(args) {
    41  			case 0:
    42  				return shellCompGetClusterName(cm, toComplete)
    43  			default:
    44  				return nil, cobra.ShellCompDirectiveNoFileComp
    45  			}
    46  		},
    47  	}
    48  
    49  	cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only restart specified roles")
    50  	cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only restart specified nodes")
    51  
    52  	return cmd
    53  }