*: support adding role in auth v3

etcdctl/ctlv3/command/role_command.go

@@ -0,0 +1,56 @@
+// Copyright 2016 Nippon Telegraph and Telephone Corporation.
+//
+// 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,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package command
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"golang.org/x/net/context"
+)
+
+// NewRoleCommand returns the cobra command for "role".
+func NewRoleCommand() *cobra.Command {
+	ac := &cobra.Command{
+		Use:   "role <subcommand>",
+		Short: "role related command",
+	}
+
+	ac.AddCommand(newRoleAddCommand())
+
+	return ac
+}
+
+func newRoleAddCommand() *cobra.Command {
+	return &cobra.Command{
+		Use:   "add <role name>",
+		Short: "add a new role",
+		Run:   roleAddCommandFunc,
+	}
+}
+
+// roleAddCommandFunc executes the "role add" command.
+func roleAddCommandFunc(cmd *cobra.Command, args []string) {
+	if len(args) != 1 {
+		ExitWithError(ExitBadArgs, fmt.Errorf("role add command requires role name as its argument."))
+	}
+
+	_, err := mustClientFromCmd(cmd).Auth.RoleAdd(context.TODO(), args[0])
+	if err != nil {
+		ExitWithError(ExitError, err)
+	}
+
+	fmt.Printf("Role %s created\n", args[0])
+}

etcdctl/ctlv3/ctl.go

@@ -80,6 +80,7 @@ func init() {
 		command.NewAuthCommand(),
 		command.NewElectCommand(),
 		command.NewUserCommand(),
+		command.NewRoleCommand(),
 	)
 }