mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
// Copyright 2021 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 schema
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import (
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"go.uber.org/zap"
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"go.etcd.io/etcd/api/v3/etcdserverpb"
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"go.etcd.io/etcd/server/v3/storage/backend"
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)
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type alarmBackend struct {
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lg *zap.Logger
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be backend.Backend
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}
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func NewAlarmBackend(lg *zap.Logger, be backend.Backend) *alarmBackend {
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return &alarmBackend{
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lg: lg,
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be: be,
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}
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}
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func (s *alarmBackend) CreateAlarmBucket() {
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tx := s.be.BatchTx()
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tx.LockOutsideApply()
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defer tx.Unlock()
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tx.UnsafeCreateBucket(Alarm)
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}
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func (s *alarmBackend) MustPutAlarm(alarm *etcdserverpb.AlarmMember) {
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tx := s.be.BatchTx()
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tx.LockInsideApply()
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defer tx.Unlock()
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s.mustUnsafePutAlarm(tx, alarm)
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}
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func (s *alarmBackend) mustUnsafePutAlarm(tx backend.UnsafeWriter, alarm *etcdserverpb.AlarmMember) {
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v, err := alarm.Marshal()
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if err != nil {
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s.lg.Panic("failed to marshal alarm member", zap.Error(err))
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}
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tx.UnsafePut(Alarm, v, nil)
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}
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func (s *alarmBackend) MustDeleteAlarm(alarm *etcdserverpb.AlarmMember) {
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tx := s.be.BatchTx()
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tx.LockInsideApply()
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defer tx.Unlock()
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s.mustUnsafeDeleteAlarm(tx, alarm)
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}
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func (s *alarmBackend) mustUnsafeDeleteAlarm(tx backend.UnsafeWriter, alarm *etcdserverpb.AlarmMember) {
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v, err := alarm.Marshal()
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if err != nil {
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s.lg.Panic("failed to marshal alarm member", zap.Error(err))
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}
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tx.UnsafeDelete(Alarm, v)
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}
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func (s *alarmBackend) GetAllAlarms() ([]*etcdserverpb.AlarmMember, error) {
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tx := s.be.ReadTx()
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tx.RLock()
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defer tx.RUnlock()
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return s.unsafeGetAllAlarms(tx)
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}
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func (s *alarmBackend) unsafeGetAllAlarms(tx backend.UnsafeReader) ([]*etcdserverpb.AlarmMember, error) {
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var ms []*etcdserverpb.AlarmMember
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err := tx.UnsafeForEach(Alarm, func(k, v []byte) error {
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var m etcdserverpb.AlarmMember
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if err := m.Unmarshal(k); err != nil {
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return err
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}
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ms = append(ms, &m)
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return nil
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})
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return ms, err
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}
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func (s alarmBackend) ForceCommit() {
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s.be.ForceCommit()
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}
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