84 lines
2.0 KiB
Go
84 lines
2.0 KiB
Go
// Copyright 2016 The etcd Authors
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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 main
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import (
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"fmt"
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"path/filepath"
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"github.com/boltdb/bolt"
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"github.com/coreos/etcd/mvcc"
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"github.com/coreos/etcd/mvcc/backend"
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)
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func snapDir(dataDir string) string {
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return filepath.Join(dataDir, "member", "snap")
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}
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func getBuckets(dbPath string) (buckets []string, err error) {
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db, derr := bolt.Open(dbPath, 0600, &bolt.Options{})
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if derr != nil {
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return nil, derr
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}
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defer db.Close()
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err = db.View(func(tx *bolt.Tx) error {
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return tx.ForEach(func(b []byte, _ *bolt.Bucket) error {
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buckets = append(buckets, string(b))
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return nil
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})
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})
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return
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}
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func iterateBucket(dbPath, bucket string, limit uint64) (err error) {
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db, derr := bolt.Open(dbPath, 0600, &bolt.Options{})
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if derr != nil {
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return derr
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}
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defer db.Close()
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err = db.View(func(tx *bolt.Tx) error {
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b := tx.Bucket([]byte(bucket))
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if b == nil {
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return fmt.Errorf("got nil bucket for %s", bucket)
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}
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c := b.Cursor()
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// iterate in reverse order (use First() and Next() for ascending order)
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for k, v := c.Last(); k != nil; k, v = c.Prev() {
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fmt.Printf("key=%q, value=%q\n", k, v)
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limit--
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if limit == 0 {
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break
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}
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}
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return nil
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})
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return
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}
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func getHash(dbPath string) (hash uint32, err error) {
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b := backend.NewDefaultBackend(dbPath)
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return b.Hash(mvcc.DefaultIgnores)
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}
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// TODO: revert by revision and find specified hash value
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// currently, it's hard because lease is in separate bucket
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// and does not modify revision
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