| // 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) |
| } |
| fmt.Println("compacted revision", rev) |
| } |