foundationdb/fdbclient/BackupContainerS3BlobStore.h

75 lines
2.4 KiB
C++

/*
* BackupContainerS3BlobStore.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project 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.
*/
#ifndef FDBCLIENT_BACKUP_CONTAINER_S3_BLOBSTORE_H
#define FDBCLIENT_BACKUP_CONTAINER_S3_BLOBSTORE_H
#pragma once
#include "fdbclient/AsyncFileS3BlobStore.actor.h"
#include "fdbclient/BackupContainerFileSystem.h"
class BackupContainerS3BlobStore final : public BackupContainerFileSystem,
ReferenceCounted<BackupContainerS3BlobStore> {
Reference<S3BlobStoreEndpoint> m_bstore;
std::string m_name;
// All backup data goes into a single bucket
std::string m_bucket;
std::string dataPath(const std::string& path);
// Get the path of the backups's index entry
std::string indexEntry();
friend class BackupContainerS3BlobStoreImpl;
public:
BackupContainerS3BlobStore(Reference<S3BlobStoreEndpoint> bstore,
const std::string& name,
const S3BlobStoreEndpoint::ParametersT& params,
const Optional<std::string>& encryptionKeyFileName);
void addref() override;
void delref() override;
static std::string getURLFormat();
Future<Reference<IAsyncFile>> readFile(const std::string& path) final;
static Future<std::vector<std::string>> listURLs(Reference<S3BlobStoreEndpoint> bstore, const std::string& bucket);
Future<Reference<IBackupFile>> writeFile(const std::string& path) final;
Future<Void> deleteFile(const std::string& path) final;
Future<FilesAndSizesT> listFiles(const std::string& path, std::function<bool(std::string const&)> pathFilter) final;
Future<Void> create() final;
// The container exists if the index entry in the blob bucket exists
Future<bool> exists() final;
Future<Void> deleteContainer(int* pNumDeleted) final;
std::string getBucket() const;
};
#endif