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compaction_command.go
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/
compaction_command.go
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// Copyright 2015 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"
"strconv"
"github.com/coreos/etcd/clientv3"
"github.com/spf13/cobra"
)
var compactPhysical bool
// NewCompactionCommand returns the cobra command for "compaction".
func NewCompactionCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "compaction [options] <revision>",
Short: "Compacts the event history in etcd",
Run: compactionCommandFunc,
}
cmd.Flags().BoolVar(&compactPhysical, "physical", false, "'true' to wait for compaction to physically remove all old revisions")
return cmd
}
// compactionCommandFunc executes the "compaction" command.
func compactionCommandFunc(cmd *cobra.Command, args []string) {
if len(args) != 1 {
ExitWithError(ExitBadArgs, fmt.Errorf("compaction command needs 1 argument."))
}
rev, err := strconv.ParseInt(args[0], 10, 64)
if err != nil {
ExitWithError(ExitError, err)
}
var opts []clientv3.CompactOption
if compactPhysical {
opts = append(opts, clientv3.WithCompactPhysical())
}
c := mustClientFromCmd(cmd)
ctx, cancel := commandCtx(cmd)
_, cerr := c.Compact(ctx, rev, opts...)
cancel()
if cerr != nil {
ExitWithError(ExitError, cerr)
return
}
fmt.Println("compacted revision", rev)
}