mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
2974c4ec27
USAGE in help now names positional arguments (e.g., "member remove <memberID>" instead of "member remove [arguments...]") Fixes #4021
67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
// Copyright 2015 CoreOS, 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,
|
|
// 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 (
|
|
"errors"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/coreos/etcd/Godeps/_workspace/src/github.com/codegangsta/cli"
|
|
"github.com/coreos/etcd/client"
|
|
)
|
|
|
|
// NewMakeCommand returns the CLI command for "mk".
|
|
func NewMakeCommand() cli.Command {
|
|
return cli.Command{
|
|
Name: "mk",
|
|
Usage: "make a new key with a given value",
|
|
ArgsUsage: "<key> <value>",
|
|
Flags: []cli.Flag{
|
|
cli.IntFlag{Name: "ttl", Value: 0, Usage: "key time-to-live"},
|
|
},
|
|
Action: func(c *cli.Context) {
|
|
mkCommandFunc(c, mustNewKeyAPI(c))
|
|
},
|
|
}
|
|
}
|
|
|
|
// mkCommandFunc executes the "mk" command.
|
|
func mkCommandFunc(c *cli.Context, ki client.KeysAPI) {
|
|
if len(c.Args()) == 0 {
|
|
handleError(ExitBadArgs, errors.New("key required"))
|
|
}
|
|
key := c.Args()[0]
|
|
value, err := argOrStdin(c.Args(), os.Stdin, 1)
|
|
if err != nil {
|
|
handleError(ExitBadArgs, errors.New("value required"))
|
|
}
|
|
|
|
ttl := c.Int("ttl")
|
|
|
|
ctx, cancel := contextWithTotalTimeout(c)
|
|
// Since PrevNoExist means that the Node must not exist previously,
|
|
// this Set method always creates a new key. Therefore, mk command
|
|
// succeeds only if the key did not previously exist, and the command
|
|
// prevents one from overwriting values accidentally.
|
|
resp, err := ki.Set(ctx, key, value, &client.SetOptions{TTL: time.Duration(ttl) * time.Second, PrevExist: client.PrevNoExist})
|
|
cancel()
|
|
if err != nil {
|
|
handleError(ExitServerError, err)
|
|
}
|
|
|
|
printResponseKey(resp, c.GlobalString("output"))
|
|
}
|