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store.go
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store.go
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// Copyright (c) 2018 Huawei Technologies Co., Ltd. All Rights Reserved.
//
// 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 datastore
import (
"context"
"fmt"
"io"
"github.com/opensds/multi-cloud/api/pkg/s3/datastore/aws"
"github.com/opensds/multi-cloud/api/pkg/s3/datastore/azure"
"github.com/opensds/multi-cloud/api/pkg/s3/datastore/hws"
backendpb "github.com/opensds/multi-cloud/backend/proto"
. "github.com/opensds/multi-cloud/s3/pkg/exception"
"github.com/opensds/multi-cloud/s3/pkg/model"
pb "github.com/opensds/multi-cloud/s3/proto"
)
// Init function can perform some initialization work of different datastore.
func Init(backend *backendpb.BackendDetail) DataStoreAdapter {
var StoreAdapter DataStoreAdapter
switch backend.Type {
case "azure-blob":
//DbAdapter = mongo.Init(strings.Split(db.Endpoint, ","))
StoreAdapter = azure.Init(backend)
return StoreAdapter
case "hw-obs":
//DbAdapter = mongo.Init(strings.Split(db.Endpoint, ","))
StoreAdapter = hws.Init(backend)
return StoreAdapter
case "aws-s3":
//DbAdapter = mongo.Init(strings.Split(db.Endpoint, ","))
StoreAdapter = aws.Init(backend)
return StoreAdapter
default:
fmt.Printf("Can't find datastore driver %s!\n", backend.Type)
}
return nil
}
func Exit(backendType string) {
}
type DataStoreAdapter interface {
PUT(stream io.Reader, object *pb.Object, context context.Context) S3Error
GET(object *pb.Object, context context.Context) (io.ReadCloser, S3Error)
DELETE(object *pb.DeleteObjectInput, context context.Context) S3Error
GetObjectInfo(bucketName string, key string, context context.Context) (*pb.Object, S3Error)
InitMultipartUpload(object *pb.Object, context context.Context) (*pb.MultipartUpload, S3Error)
UploadPart(stream io.Reader, multipartUpload *pb.MultipartUpload, partNumber int64, upBytes int64, context context.Context) (*model.UploadPartResult, S3Error)
CompleteMultipartUpload(multipartUpload *pb.MultipartUpload, completeUpload *model.CompleteMultipartUpload, context context.Context) (*model.CompleteMultipartUploadResult, S3Error)
AbortMultipartUpload(multipartUpload *pb.MultipartUpload, context context.Context) S3Error
ListParts(listParts *pb.ListParts, context context.Context) (*model.ListPartsOutput, S3Error)
}