etcd/etcdctl/ctlv3/command/role_command.go
2016-05-12 20:51:39 -07:00

86 lines
2.3 KiB
Go

// Copyright 2016 The etcd Authors
//
// 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/coreos/etcd/clientv3"
"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())
ac.AddCommand(newRoleGrantCommand())
return ac
}
func newRoleAddCommand() *cobra.Command {
return &cobra.Command{
Use: "add <role name>",
Short: "add a new role",
Run: roleAddCommandFunc,
}
}
func newRoleGrantCommand() *cobra.Command {
return &cobra.Command{
Use: "grant <role name> <permission type> <key>",
Short: "grant a key to a role",
Run: roleGrantCommandFunc,
}
}
// 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])
}
// roleGrantCommandFunc executes the "role grant" command.
func roleGrantCommandFunc(cmd *cobra.Command, args []string) {
if len(args) != 3 {
ExitWithError(ExitBadArgs, fmt.Errorf("role grant command requires role name, permission type, and key as its argument."))
}
perm, err := clientv3.StrToPermissionType(args[1])
if err != nil {
ExitWithError(ExitBadArgs, err)
}
_, err = mustClientFromCmd(cmd).Auth.RoleGrant(context.TODO(), args[0], args[2], perm)
if err != nil {
ExitWithError(ExitError, err)
}
fmt.Printf("Role %s updated\n", args[0])
}