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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package command
import (
"slices"
perrs "github.com/pingcap/errors"
"github.com/pingcap/tiup/components/dm/spec"
"github.com/spf13/cobra"
)
func newReloadCmd() *cobra.Command {
var skipRestart bool
cmd := &cobra.Command{
Use: "reload <cluster-name>",
Short: "Reload a DM cluster's config and restart if needed",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) != 1 {
return cmd.Help()
}
if err := validRoles(gOpt.Roles); err != nil {
return err
}
clusterName := args[0]
return cm.Reload(clusterName, gOpt, skipRestart, skipConfirm)
},
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
switch len(args) {
case 0:
return shellCompGetClusterName(cm, toComplete)
default:
return nil, cobra.ShellCompDirectiveNoFileComp
}
},
}
cmd.Flags().StringSliceVarP(&gOpt.Roles, "role", "R", nil, "Only reload specified roles")
cmd.Flags().StringSliceVarP(&gOpt.Nodes, "node", "N", nil, "Only reload specified nodes")
cmd.Flags().BoolVar(&skipRestart, "skip-restart", false, "Only refresh configuration to remote and do not restart services")
return cmd
}
func validRoles(roles []string) error {
for _, r := range roles {
match := slices.Contains(spec.AllDMComponentNames(), r)
if !match {
return perrs.Errorf("not valid role: %s, should be one of: %v", r, spec.AllDMComponentNames())
}
}
return nil
}
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