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054db2e3cf
Unix commands interprets argument value of first character '-' as a flag. And this won't be fixed in our upstream CLI libraries. This adds help message to show users workarounds. Addressing https://github.com/coreos/etcd/issues/2020.
79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package command
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import (
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"fmt"
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"strconv"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra"
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"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
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"github.com/coreos/etcd/Godeps/_workspace/src/google.golang.org/grpc"
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pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
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)
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var (
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leaseStr string
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)
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// NewPutCommand returns the cobra command for "put".
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func NewPutCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "put [options] <key> <value>",
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Short: "Put puts the given key into the store.",
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Long: `
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Put puts the given key into the store.
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When <value> begins with '-', <value> is interpreted as a flag.
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Insert '--' for workaround:
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$ put <key> -- <value>
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$ put -- <key> <value>
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`,
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Run: putCommandFunc,
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}
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cmd.Flags().StringVar(&leaseStr, "lease", "0", "lease ID attached to the put key")
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return cmd
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}
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// putCommandFunc executes the "put" command.
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func putCommandFunc(cmd *cobra.Command, args []string) {
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if len(args) != 2 {
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ExitWithError(ExitBadArgs, fmt.Errorf("put command needs 2 arguments."))
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}
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id, err := strconv.ParseInt(leaseStr, 16, 64)
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if err != nil {
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ExitWithError(ExitBadArgs, fmt.Errorf("bad lease ID arg (%v), expecting ID in Hex", err))
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}
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key := []byte(args[0])
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value := []byte(args[1])
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endpoint, err := cmd.Flags().GetString("endpoint")
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if err != nil {
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ExitWithError(ExitError, err)
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}
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conn, err := grpc.Dial(endpoint)
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if err != nil {
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ExitWithError(ExitBadConnection, err)
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}
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kv := pb.NewKVClient(conn)
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req := &pb.PutRequest{Key: key, Value: value, Lease: id}
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kv.Put(context.Background(), req)
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fmt.Printf("%s %s\n", key, value)
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}
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