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backupmanager.go
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backupmanager.go
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// Copyright 2022 Monoskope 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 eventstore
import (
"context"
"io/ioutil"
"path"
"github.com/finleap-connect/monoskope/internal/eventstore/backup"
"github.com/finleap-connect/monoskope/internal/eventstore/backup/s3"
"github.com/finleap-connect/monoskope/pkg/eventsourcing"
"github.com/finleap-connect/monoskope/pkg/logger"
"github.com/go-logr/logr"
)
const BackupPath = "/etc/eventstore/backup"
type BackupManager struct {
log logr.Logger
store eventsourcing.EventStore
backupHandler backup.BackupHandler
retention int
}
// NewBackupManager creates a new backup manager configured by config files taken from eventstore.BackupPath and environment config.
func NewBackupManager(store eventsourcing.EventStore, retention int) (*BackupManager, error) {
manager := &BackupManager{
log: logger.WithName("backup-manager"),
store: store,
retention: retention,
}
if err := manager.configure(); err != nil {
return nil, err
}
return manager, nil
}
func (bm *BackupManager) configure() error {
// Get backup destination configuration
fileInfos, err := ioutil.ReadDir(BackupPath)
if err != nil {
return err
}
// Lookup configured backup destinations
for _, fileInfo := range fileInfos {
if fileInfo.IsDir() {
continue
}
switch fileInfo.Name() {
case "s3.yaml":
conf, err := s3.NewS3ConfigFromFile(path.Join(BackupPath, fileInfo.Name()))
if err != nil {
return err
}
bm.backupHandler = s3.NewS3BackupHandler(conf, bm.store, bm.retention)
}
}
return nil
}
func (bm *BackupManager) RunBackup(ctx context.Context) (*backup.BackupResult, error) {
return bm.backupHandler.RunBackup(ctx)
}
func (bm *BackupManager) RunPurge(ctx context.Context) (*backup.PurgeResult, error) {
return bm.backupHandler.RunPurge(ctx)
}
func (bm *BackupManager) RunRestore(ctx context.Context, backupIdentifier string) (*backup.RestoreResult, error) {
return bm.backupHandler.RunRestore(ctx, backupIdentifier)
}