mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
075f5f68ad
This commit lets etcdctlv3 support reading value from stdin like `etcdctl set`. It is convenient for storing complex, long value.
73 lines
2.2 KiB
Go
73 lines
2.2 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 (
|
|
"fmt"
|
|
"os"
|
|
"strconv"
|
|
|
|
"github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra"
|
|
"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
|
|
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
|
|
)
|
|
|
|
var (
|
|
leaseStr string
|
|
)
|
|
|
|
// NewPutCommand returns the cobra command for "put".
|
|
func NewPutCommand() *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "put [options] <key> <value> (<value> can also be given from stdin)",
|
|
Short: "Put puts the given key into the store.",
|
|
Long: `
|
|
Put puts the given key into the store.
|
|
|
|
When <value> begins with '-', <value> is interpreted as a flag.
|
|
Insert '--' for workaround:
|
|
|
|
$ put <key> -- <value>
|
|
$ put -- <key> <value>
|
|
|
|
If <value> isn't given, this command tries to read the value from standard input.
|
|
For example,
|
|
$ cat file | put <key>
|
|
will store the content of the file to <key>.
|
|
`,
|
|
Run: putCommandFunc,
|
|
}
|
|
cmd.Flags().StringVar(&leaseStr, "lease", "0", "lease ID attached to the put key")
|
|
return cmd
|
|
}
|
|
|
|
// putCommandFunc executes the "put" command.
|
|
func putCommandFunc(cmd *cobra.Command, args []string) {
|
|
key := []byte(args[0])
|
|
value, err := argOrStdin(args, os.Stdin, 1)
|
|
if err != nil {
|
|
ExitWithError(ExitBadArgs, fmt.Errorf("put command needs 1 argument and input from stdin or 2 arguments."))
|
|
}
|
|
|
|
id, err := strconv.ParseInt(leaseStr, 16, 64)
|
|
if err != nil {
|
|
ExitWithError(ExitBadArgs, fmt.Errorf("bad lease ID arg (%v), expecting ID in Hex", err))
|
|
}
|
|
|
|
req := &pb.PutRequest{Key: key, Value: value, Lease: id}
|
|
mustClient(cmd).KV.Put(context.Background(), req)
|
|
fmt.Printf("%s %s\n", key, value)
|
|
}
|