/
ceph.go
318 lines (275 loc) · 10.7 KB
/
ceph.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
// Copyright 2019 The OpenSDS 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 ceph
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
"time"
"crypto/md5"
"encoding/hex"
backendpb "github.com/opensds/multi-cloud/backend/proto"
. "github.com/opensds/multi-cloud/s3/error"
dscommon "github.com/opensds/multi-cloud/s3/pkg/datastore/common"
"github.com/opensds/multi-cloud/s3/pkg/model"
"github.com/opensds/multi-cloud/s3/pkg/utils"
pb "github.com/opensds/multi-cloud/s3/proto"
log "github.com/sirupsen/logrus"
"github.com/webrtcn/s3client"
. "github.com/webrtcn/s3client"
"github.com/webrtcn/s3client/models"
)
type CephAdapter struct {
backend *backendpb.BackendDetail
session *s3client.Client
}
func (ad *CephAdapter) Put(ctx context.Context, stream io.Reader, object *pb.Object) (result dscommon.PutResult, err error) {
bucketName := ad.backend.BucketName
objectId := object.BucketName + "/" + object.ObjectKey
log.Infof("put object[Ceph S3], bucket:%s, objectId:%s\n", bucketName, objectId)
userMd5 := dscommon.GetMd5FromCtx(ctx)
size := object.Size
// Limit the reader to its provided size if specified.
var limitedDataReader io.Reader
if size > 0 { // request.ContentLength is -1 if length is unknown
limitedDataReader = io.LimitReader(stream, size)
} else {
limitedDataReader = stream
}
md5Writer := md5.New()
dataReader := io.TeeReader(limitedDataReader, md5Writer)
bucket := ad.session.NewBucket()
cephObject := bucket.NewObject(bucketName)
body := ioutil.NopCloser(dataReader)
log.Infof("put object[Ceph S3] begin, objectId:%s\n", objectId)
err = cephObject.Create(objectId, userMd5, "", object.Size, body, models.Private)
log.Infof("put object[Ceph S3] end, objectId:%s\n", objectId)
if err != nil {
log.Infof("upload object[Ceph S3] failed, objectId:%s, err:%v", objectId, err)
return result, ErrPutToBackendFailed
}
calculatedMd5 := "\"" + hex.EncodeToString(md5Writer.Sum(nil)) + "\""
if userMd5 != "" && userMd5 != calculatedMd5 {
log.Error("### MD5 not match, calculatedMd5:", calculatedMd5, "userMd5:", userMd5)
return result, ErrBadDigest
}
result.UpdateTime = time.Now().Unix()
result.ObjectId = objectId
result.Etag = calculatedMd5
result.Written = size
log.Infof("upload object[Ceph S3] succeed, objectId:%s, UpdateTime is:%v, etag:\n", objectId,
result.UpdateTime, result.Etag)
return result, nil
}
func (ad *CephAdapter) Get(ctx context.Context, object *pb.Object, start int64, end int64) (io.ReadCloser, error) {
log.Infof("get object[Ceph S3], bucket:%s, objectId:%s\n", object.BucketName, object.ObjectId)
getObjectOption := GetObjectOption{}
if start != 0 || end != 0 {
rangeObj := Range{
Begin: start,
End: end,
}
getObjectOption = GetObjectOption{
Range: &rangeObj,
}
}
bucket := ad.session.NewBucket()
cephObject := bucket.NewObject(ad.backend.BucketName)
getObject, err := cephObject.Get(object.ObjectId, &getObjectOption)
if err != nil {
fmt.Println(err)
log.Infof("get object[Ceph S3], objectId:%s failed:%v", object.ObjectId, err)
return nil, ErrGetFromBackendFailed
}
log.Infof("get object[Ceph S3] succeed, objectId:%s, bytes:%d\n", object.ObjectId, getObject.ContentLength)
return getObject.Body, nil
}
func (ad *CephAdapter) Delete(ctx context.Context, object *pb.DeleteObjectInput) error {
bucket := ad.session.NewBucket()
objectId := object.Bucket + "/" + object.Key
log.Infof("delete object[Ceph S3], objectId:%s, bucket:%s\n", objectId, bucket)
cephObject := bucket.NewObject(ad.backend.BucketName)
err := cephObject.Remove(objectId)
if err != nil {
log.Infof("delete object[Ceph S3] failed, objectId:%s, err:%v\n", objectId, err)
return ErrDeleteFromBackendFailed
}
log.Infof("delete object[Ceph S3] succeed, objectId:%s.\n", objectId)
return nil
}
func (ad *CephAdapter) Copy(ctx context.Context, stream io.Reader, target *pb.Object) (result dscommon.PutResult, err error) {
log.Errorf("copy[Ceph S3] is not supported.")
err = ErrInternalError
return
}
func (ad *CephAdapter) ChangeStorageClass(ctx context.Context, object *pb.Object, newClass *string) error {
log.Errorf("change storage class[Ceph S3] is not supported.")
return ErrInternalError
}
/*func (ad *CephAdapter) GetObjectInfo(context context.Context, bucketName string, key string) (*pb.Object, error) {
bucket := ad.backend.BucketName
newKey := bucketName + "/" + key
bucketO := ad.session.NewBucket()
bucketResp, err := bucketO.Get(bucket, newKey, "", "", 1000)
if err != nil {
log.Infof("error occured during get Object Info, err:%v\n", err)
return nil, err
}
for _, content := range bucketResp.Contents {
realKey := bucketName + "/" + key
if realKey != content.Key {
break
}
obj := &pb.Object{
BucketName: bucketName,
ObjectKey: key,
Size: content.Size,
}
return obj, nil
}
log.Infof("can not find specified object(%s).\n", key)
return nil, NoSuchObject.Error()
}*/
func (ad *CephAdapter) InitMultipartUpload(ctx context.Context, object *pb.Object) (*pb.MultipartUpload, error) {
bucket := ad.session.NewBucket()
objectId := object.BucketName + "/" + object.ObjectKey
log.Infof("init multipart upload[Ceph S3], bucket = %v,objectId = %v\n", bucket, objectId)
cephObject := bucket.NewObject(ad.backend.BucketName)
uploader := cephObject.NewUploads(objectId)
multipartUpload := &pb.MultipartUpload{}
res, err := uploader.Initiate(nil)
if err != nil {
log.Fatalf("init multipart upload[Ceph S3] failed, objectId:%s, err:%v\n", objectId, err)
return nil, err
} else {
log.Infof("init multipart upload[Ceph S3] succeed, objectId:%s, UploadId:%s\n", objectId, res.UploadID)
multipartUpload.Bucket = object.BucketName
multipartUpload.Key = object.ObjectKey
multipartUpload.UploadId = res.UploadID
multipartUpload.ObjectId = objectId
return multipartUpload, nil
}
}
func (ad *CephAdapter) UploadPart(ctx context.Context, stream io.Reader, multipartUpload *pb.MultipartUpload,
partNumber int64, upBytes int64) (*model.UploadPartResult, error) {
bucket := ad.session.NewBucket()
log.Infof("upload part[Ceph S3], objectId:%s, bucket:%s\n", multipartUpload.ObjectId, bucket)
cephObject := bucket.NewObject(ad.backend.BucketName)
uploader := cephObject.NewUploads(multipartUpload.ObjectId)
d, err := ioutil.ReadAll(stream)
data := []byte(d)
body := ioutil.NopCloser(bytes.NewReader(data))
contentMD5 := utils.Md5Content(data)
part, err := uploader.UploadPart(int(partNumber), multipartUpload.UploadId, contentMD5, "", upBytes, body)
if err != nil {
log.Errorf("upload part[Ceph S3] failed, err:%v\n", err)
return nil, ErrPutToBackendFailed
} else {
log.Infof("uploaded part[Ceph S3] #%d successfully, ETag:%s\n", partNumber, part.Etag)
result := &model.UploadPartResult{
Xmlns: model.Xmlns,
ETag: part.Etag,
PartNumber: partNumber}
return result, nil
}
log.Error("upload part[Ceph S3]: should not be here.")
return nil, ErrInternalError
}
func (ad *CephAdapter) CompleteMultipartUpload(ctx context.Context, multipartUpload *pb.MultipartUpload,
completeUpload *model.CompleteMultipartUpload) (*model.CompleteMultipartUploadResult, error) {
bucket := ad.session.NewBucket()
log.Infof("complete multipart upload[Ceph S3], objectId:%s, bucket:%s\n", multipartUpload.ObjectId, bucket)
cephObject := bucket.NewObject(ad.backend.BucketName)
uploader := cephObject.NewUploads(multipartUpload.ObjectId)
var completeParts []CompletePart
for _, p := range completeUpload.Parts {
completePart := CompletePart{
Etag: p.ETag,
PartNumber: int(p.PartNumber),
}
completeParts = append(completeParts, completePart)
}
resp, err := uploader.Complete(multipartUpload.UploadId, completeParts)
if err != nil {
log.Infof("complete multipart upload[Ceph S3] failed, objectId:%s, err:%v\n", multipartUpload.ObjectId, err)
return nil, ErrBackendCompleteMultipartFailed
}
result := &model.CompleteMultipartUploadResult{
Xmlns: model.Xmlns,
Location: ad.backend.Endpoint,
Bucket: multipartUpload.Bucket,
Key: multipartUpload.Key,
ETag: resp.Etag,
}
log.Infof("complete multipart upload[Ceph S3] succeed, objectId:%s, resp:%v\n", multipartUpload.ObjectId, resp)
return result, nil
}
func (ad *CephAdapter) AbortMultipartUpload(ctx context.Context, multipartUpload *pb.MultipartUpload) error {
bucket := ad.session.NewBucket()
cephObject := bucket.NewObject(ad.backend.BucketName)
uploader := cephObject.NewUploads(multipartUpload.ObjectId)
log.Infof("abort multipart upload[Ceph S3], objectId:%s, bucket:%s\n", multipartUpload.ObjectId, bucket)
err := uploader.RemoveUploads(multipartUpload.UploadId)
if err != nil {
log.Infof("abort multipart upload[Ceph S3] failed, objectId:%s, err:%v\n", multipartUpload.ObjectId, err)
return ErrBackendAbortMultipartFailed
} else {
log.Infof("abort multipart upload[Ceph S3] succeed, objectId:%s, err:%v\n", multipartUpload.ObjectId, err)
}
return nil
}
/*func (ad *CephAdapter) ListParts(context context.Context, listParts *pb.ListParts) (*model.ListPartsOutput, error) {
newObjectKey := listParts.Bucket + "/" + listParts.Key
bucket := ad.session.NewBucket()
cephObject := bucket.NewObject(ad.backend.BucketName)
uploader := cephObject.NewUploads(newObjectKey)
listPartsResult, err := uploader.ListPart(listParts.UploadId)
if err != nil {
log.Infof("list parts failed, err:%v\n", err)
return nil, S3Error{Code: 500, Description: err.Error()}.Error()
} else {
log.Infof("List parts successful\n")
var parts []model.Part
for _, p := range listPartsResult.Parts {
part := model.Part{
ETag: p.Etag,
PartNumber: int64(p.PartNumber),
}
parts = append(parts, part)
}
listPartsOutput := &model.ListPartsOutput{
Xmlns: model.Xmlns,
Key: listPartsResult.Key,
Bucket: listParts.Bucket,
IsTruncated: listPartsResult.IsTruncated,
MaxParts: listPartsResult.MaxParts,
Owner: model.Owner{
ID: listPartsResult.Owner.OwnerID,
DisplayName: listPartsResult.Owner.DisplayName,
},
UploadId: listPartsResult.UploadID,
Parts: parts,
}
return listPartsOutput, nil
}
}*/
func (ad *CephAdapter) ListParts(ctx context.Context, multipartUpload *pb.ListParts) (*model.ListPartsOutput, error) {
return nil, ErrNotImplemented
}
func (ad *CephAdapter) Close() error {
// TODO
return nil
}