forked from sodafoundation/strato
/
hws.go
263 lines (229 loc) · 8.24 KB
/
hws.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 hws
import (
"context"
"io"
"time"
"github.com/micro/go-log"
"github.com/opensds/multi-cloud/api/pkg/utils/obs"
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"
)
type OBSAdapter struct {
backend *backendpb.BackendDetail
client *obs.ObsClient
}
func Init(backend *backendpb.BackendDetail) *OBSAdapter {
endpoint := backend.Endpoint
AccessKeyID := backend.Access
AccessKeySecret := backend.Security
client, err := obs.New(AccessKeyID, AccessKeySecret, endpoint)
if err != nil {
log.Logf("Access obs failed:%v", err)
return nil
}
adap := &OBSAdapter{backend: backend, client: client}
return adap
}
func (ad *OBSAdapter) PUT(stream io.Reader, object *pb.Object, ctx context.Context) S3Error {
bucket := ad.backend.BucketName
if ctx.Value("operation") == "upload" {
input := &obs.PutObjectInput{}
input.Bucket = bucket
input.Key = object.BucketName + "/" + object.ObjectKey
input.Body = stream
out, err := ad.client.PutObject(input)
if err != nil {
log.Logf("Upload to obs failed:%v", err)
return S3Error{Code: 500, Description: "Upload to obs failed"}
} else {
object.LastModified = time.Now().String()[:19]
log.Logf("LastModified is:%v\n", object.LastModified)
}
log.Logf("Upload %s to obs successfully.", out.VersionId)
}
return NoError
}
func (ad *OBSAdapter) GET(object *pb.Object, context context.Context, start int64, end int64) (io.ReadCloser, S3Error) {
bucket := ad.backend.BucketName
if context.Value("operation") == "download" {
input := &obs.GetObjectInput{}
input.Bucket = bucket
input.Key = object.BucketName + "/" + object.ObjectKey
if start != 0 || end != 0 {
input.RangeStart = start
input.RangeEnd = end
}
out, err := ad.client.GetObject(input)
if err != nil {
log.Logf("download hws obs failed:%v", err)
return nil, S3Error{Code: 500, Description: "download hws obs failed"}
} else {
log.Logf("download obs successfully.%v", out.VersionId)
return out.Body, NoError
}
}
return nil, NoError
}
func (ad *OBSAdapter) DELETE(object *pb.DeleteObjectInput, ctx context.Context) S3Error {
newObjectKey := object.Bucket + "/" + object.Key
deleteObjectInput := obs.DeleteObjectInput{Bucket: ad.backend.BucketName, Key: newObjectKey}
_, err := ad.client.DeleteObject(&deleteObjectInput)
if err != nil {
log.Logf("Delete object failed:%v", err)
return InternalError
}
log.Logf("Delete object %s from obs successfully.\n", newObjectKey)
return NoError
}
func (ad *OBSAdapter) GetObjectInfo(bucketName string, key string, context context.Context) (*pb.Object, S3Error) {
return nil, NoError
}
func (ad *OBSAdapter) InitMultipartUpload(object *pb.Object, context context.Context) (*pb.MultipartUpload, S3Error) {
bucket := ad.backend.BucketName
multipartUpload := &pb.MultipartUpload{}
if context.Value("operation") == "multipartupload" {
input := &obs.InitiateMultipartUploadInput{}
input.Bucket = bucket
input.Key = object.BucketName + "/" + object.ObjectKey
out, err := ad.client.InitiateMultipartUpload(input)
if err != nil {
log.Logf("initmultipartupload failed:%v", err)
return nil, S3Error{Code: 500, Description: "initmultipartupload failed"}
} else {
log.Log("initmultipartupload successfully.")
multipartUpload.Bucket = out.Bucket
multipartUpload.Key = out.Key
multipartUpload.UploadId = out.UploadId
log.Logf("multipartUpload is %v\n", multipartUpload)
return multipartUpload, NoError
}
}
return nil, NoError
}
func (ad *OBSAdapter) UploadPart(stream io.Reader, multipartUpload *pb.MultipartUpload, partNumber int64, upBytes int64, context context.Context) (*model.UploadPartResult, S3Error) {
bucket := ad.backend.BucketName
newObjectKey := multipartUpload.Bucket + "/" + multipartUpload.Key
if context.Value("operation") == "multipartupload" {
input := &obs.UploadPartInput{}
input.Bucket = bucket
input.Key = newObjectKey
input.Body = stream
input.PartNumber = int(partNumber)
input.PartSize = upBytes
log.Logf(" multipartUpload.UploadId is %v", multipartUpload.UploadId)
input.UploadId = multipartUpload.UploadId
out, err := ad.client.UploadPart(input)
if err != nil {
log.Logf("uploadpart init failed:%v", err)
return nil, S3Error{Code: 500, Description: "uploadpart init failed"}
} else {
log.Logf("uploadpart %v successfully.", out.PartNumber)
result := &model.UploadPartResult{ETag: out.ETag, PartNumber: partNumber}
return result, NoError
}
}
return nil, NoError
}
func (ad *OBSAdapter) CompleteMultipartUpload(
multipartUpload *pb.MultipartUpload,
completeUpload *model.CompleteMultipartUpload,
context context.Context) (*model.CompleteMultipartUploadResult, S3Error) {
log.Logf("enter the hws CompleteMultipartUpload method")
bucket := ad.backend.BucketName
log.Logf("bucket is %v\n", bucket)
newObjectKey := multipartUpload.Bucket + "/" + multipartUpload.Key
log.Logf("newObjectKey is %v\n", newObjectKey)
if context.Value("operation") == "multipartupload" {
input := &obs.CompleteMultipartUploadInput{}
input.Bucket = bucket
input.Key = newObjectKey
input.UploadId = multipartUpload.UploadId
for _, p := range completeUpload.Part {
part := obs.Part{
PartNumber: int(p.PartNumber),
ETag: p.ETag,
}
input.Parts = append(input.Parts, part)
}
resp, err := ad.client.CompleteMultipartUpload(input)
result := &model.CompleteMultipartUploadResult{
Xmlns: model.Xmlns,
Location: resp.Location,
Bucket: resp.Bucket,
Key: resp.Key,
ETag: resp.ETag,
}
if err != nil {
log.Logf("CompleteMultipartUploadInput is nil:%v", err)
return nil, S3Error{Code: 500, Description: "uploadpart init failed"}
}
log.Logf("CompleteMultipartUploadInput successfully.")
return result, NoError
}
return nil, NoError
}
func (ad *OBSAdapter) AbortMultipartUpload(multipartUpload *pb.MultipartUpload, context context.Context) S3Error {
bucket := ad.backend.BucketName
newObjectKey := multipartUpload.Bucket + "/" + multipartUpload.Key
if context.Value("operation") == "multipartupload" {
input := &obs.AbortMultipartUploadInput{}
input.UploadId = multipartUpload.UploadId
input.Bucket = bucket
input.Key = newObjectKey
_, err := ad.client.AbortMultipartUpload(input)
if err != nil {
log.Logf("AbortMultipartUploadInput is nil:%v", err)
return S3Error{Code: 500, Description: "AbortMultipartUploadInput failed"}
} else {
log.Logf("AbortMultipartUploadInput successfully.")
return NoError
}
}
return NoError
}
func (ad *OBSAdapter) ListParts(listParts *pb.ListParts, context context.Context) (*model.ListPartsOutput, S3Error) {
bucket := ad.backend.BucketName
if context.Value("operation") == "listParts" {
input := &obs.ListPartsInput{}
input.Bucket = bucket
input.Key = listParts.Key
input.UploadId = listParts.UploadId
input.MaxParts = int(listParts.MaxParts)
listPartsOutput, err := ad.client.ListParts(input)
listParts := &model.ListPartsOutput{}
listParts.Bucket = listPartsOutput.Bucket
listParts.Key = listPartsOutput.Key
listParts.UploadId = listPartsOutput.UploadId
listParts.MaxParts = listPartsOutput.MaxParts
for _, p := range listPartsOutput.Parts {
part := model.Part{
PartNumber: int64(p.PartNumber),
ETag: p.ETag,
}
listParts.Parts = append(listParts.Parts, part)
}
if err != nil {
log.Logf("ListPartsListParts is nil:%v\n", err)
return nil, S3Error{Code: 500, Description: "AbortMultipartUploadInput failed"}
} else {
log.Logf("ListParts successfully")
return listParts, NoError
}
}
return nil, NoError
}