mirror of
https://github.com/etcd-io/etcd.git
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4e39f690f2
This commit adds a new method Recovery() to auth.AuthStore for recoverying auth state from backend during apply snapshot. It follows a manner of the lessor.
70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
// Copyright 2016 Nippon Telegraph and Telephone Corporation.
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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 auth
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import (
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/coreos/pkg/capnslog"
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"github.com/coreos/etcd/storage/backend"
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)
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var (
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enableFlagKey = []byte("authEnabled")
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authBucketName = []byte("auth")
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plog = capnslog.NewPackageLogger("github.com/coreos/etcd", "auth")
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)
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type AuthStore interface {
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// AuthEnable() turns on the authentication feature
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AuthEnable()
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// Recover recovers the state of auth store from the given backend
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Recover(b backend.Backend)
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}
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type authStore struct {
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be backend.Backend
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}
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func (as *authStore) AuthEnable() {
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value := []byte{1}
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b := as.be
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tx := b.BatchTx()
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tx.Lock()
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tx.UnsafePut(authBucketName, enableFlagKey, value)
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tx.Unlock()
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b.ForceCommit()
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plog.Noticef("Authentication enabled")
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}
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func (as *authStore) Recover(be backend.Backend) {
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as.be = be
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// TODO(mitake): recovery process
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}
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func NewAuthStore(be backend.Backend) *authStore {
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tx := be.BatchTx()
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tx.Lock()
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tx.UnsafeCreateBucket(authBucketName)
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tx.Unlock()
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be.ForceCommit()
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return &authStore{
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be: be,
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}
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}
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