etcd/etcdctlv3/command/del_command.go
2016-02-25 18:13:26 -08:00

55 lines
1.7 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"
"github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra"
"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
"github.com/coreos/etcd/clientv3"
)
// NewDelCommand returns the cobra command for "del".
func NewDelCommand() *cobra.Command {
return &cobra.Command{
Use: "del [options] <key> [range_end]",
Short: "Removes the specified key or range of keys [key, range_end).",
Run: delCommandFunc,
}
}
// delCommandFunc executes the "del" command.
func delCommandFunc(cmd *cobra.Command, args []string) {
key, opts := getDelOp(cmd, args)
resp, err := mustClientFromCmd(cmd).Delete(context.TODO(), key, opts...)
if err != nil {
ExitWithError(ExitError, err)
}
display.Del(*resp)
}
func getDelOp(cmd *cobra.Command, args []string) (string, []clientv3.OpOption) {
if len(args) == 0 || len(args) > 2 {
ExitWithError(ExitBadArgs, fmt.Errorf("del command needs one argument as key and an optional argument as range_end."))
}
opts := []clientv3.OpOption{}
key := args[0]
if len(args) > 1 {
opts = append(opts, clientv3.WithRange(args[1]))
}
return key, opts
}