Listing Uploaded Parts that Have Not Been Assembled
Functions
You can use this API to query all parts of an uncompleted multipart upload task. The size of each part listed by this API is the same as the size of the part uploaded.
Request Syntax
GET /ObjectName?uploadId=uploadid&max-parts=max&part-number-marker=marker HTTP/1.1 Host: bucketname.obs.region.myhuaweicloud.com Date: date Authorization: auth
Request Parameters
This request uses parameters to specify which parts in a multipart upload will be listed. Table 1 describes the parameters.
Parameter |
Description |
Mandatory |
---|---|---|
uploadId |
ID of the multipart upload Type: string Default value: none |
Yes |
max-parts |
Maximum number of parts that can be listed Type: integer Default value: 1,000 |
No |
part-number -marker |
Part after which the part listing begins. OBS lists only parts with greater numbers than that specified by this parameter. Type: integer Default value: none |
No |
encoding-type |
Encoding type for Key in the response. If Key in the response contains control characters that are not supported by the XML 1.0 standard, you can specify this parameter to encode Key. Type: string Default value: none Value option: url |
No |
Request Headers
This request uses common headers. For details, see Table 3.
Request Elements
This request involves no elements.
Response Syntax
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HTTP/1.1 status_code Date: date Content-Length: length <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <ListPartsResult xmlns="http://obs.region.myhuaweicloud.com/doc/2015-06-30/"> <Bucket>BucketName</Bucket> <Key>object</Key> <UploadId>uploadid</UploadId> <Initiator> <ID>id</ID> </Initiator> <Owner> <ID>ownerid</ID> </Owner> <StorageClass>storageclass</StorageClass> <PartNumberMarker>partNmebermarker</PartNumberMarker> <NextPartNumberMarker>nextPartnumberMarker</NextPartNumberMarker> <MaxParts>maxParts</MaxParts> <IsTruncated>true</IsTruncated> <Part> <PartNumber>partNumber</PartNumber> <LastModified>modifiedDate</LastModified> <ETag>etag</ETag> <Size>size</Size> </Part> </ListPartsResult> |
Response Headers
The response to the request uses common headers. For details, see Table 1.
Response Elements
This response uses elements to return information about uploaded parts. Table 2 describes the elements.
Element |
Description |
---|---|
ListPartsResult |
Container for responses to part listing requests Type: container Child: Bucket, Key, UploadId, PartNumberMarker, NextPartNumberMarker, MaxParts, IsTruncated, and Part Parent: none |
Bucket |
Name of the bucket Type: string Parent: ListPartsResult |
EncodingType |
Encoding type of an object key. If encoding-type is specified in the request, the Key in the response is encoded. Type: string Parent: ListPartsResult |
Key |
Object name Type: string Parent: ListPartsResult |
UploadId |
ID of the multipart upload Type: string Parent: ListPartsResult |
Initiator |
Initiator of the multipart upload Type: container Child: ID Parent: ListPartsResult |
Owner |
The value of this parameter is the same as that of Initiator. Type: container Child: ID Parent: ListPartsResult |
ID |
ID of the domain where the owner belongs Type: string Parent: Initiator or Owner |
StorageClass |
Storage class Type: string Value options: STANDARD, WARM, COLD Parent: ListPartsResult |
PartNumberMarker |
Part number after which listing parts begins Type: integer Parent: ListPartsResult |
NextPartNumberMarker |
Value of PartNumberMarker in the next request when the returned result is incomplete Type: integer Parent: ListPartsResult |
MaxParts |
Maximum number of parts returned in a response Type: integer Parent: ListPartsResult |
IsTruncated |
Whether the returned part list is truncated. The value true indicates that the list was truncated and false indicates that the list was not truncated. Type: boolean Parent: ListPartsResult |
Part |
Container for elements related to a particular part. Type: string Child: PartNumber, LastModified, ETag, and Size Parent: ListPartsResult PartNumber identifies a part. |
PartNumber |
Number of an uploaded part Type: integer Parent: ListPartsResult.Part |
LastModified |
When a part was uploaded Type: date Parent: ListPartsResult.Part |
ETag |
ETag value of the uploaded parts. It is the unique identifier of the part content and is used to verify data consistency during the combination of parts. Type: string Parent: ListPartsResult.Part |
Size |
Size of an uploaded part Type: integer Parent: ListPartsResult.Part |
Error Responses
- If the AK or signature is invalid, OBS returns 403 Forbidden and the error code is AccessDenied.
- If the requested bucket is not found, OBS returns 404 Not Found and the error code is NoSuchBucket.
- If the requested multipart upload task does not exist, OBS returns 404 Not Found and the error code is NoSuchUpload.
- OBS determines whether the use's domain ID has the read permission for the specified bucket. If the user does not have the permission, OBS returns 403 Forbidden and the error code is AccessDenied.
Other errors are included in Table 2.
Sample Request
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GET /object02?uploadId=00000163D40171ED8DF4050919BD02B8 HTTP/1.1 User-Agent: curl/7.29.0 Host: examplebucket.obs.region.myhuaweicloud.com Accept: */* Date: WED, 01 Jul 2015 05:20:35 GMT Authorization: OBS H4IPJX0TQTHTHEBQQCEC:xkABdSrBPrz5yqzuZdJnK5oL/yU= |
Sample Response
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HTTP/1.1 200 OK Server: OBS x-obs-request-id: 8DF400000163D40C099A04EF4DD1BDD9 x-obs-id-2: 32AAAQAAEAABAAAQAAEAABAAAQAAEAABCSK71fr+hDnzB0JBvQC1B9+S12AWxC41 Content-Type: application/xml Date: WED, 01 Jul 2015 05:20:35 GMT Content-Length: 888 <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <ListPartsResult xmlns="http://obs.ap-southeast-1.myhuaweicloud.com/doc/2015-06-30/"> <Bucket>test333</Bucket> <Key>obj2</Key> <UploadId>00000163D40171ED8DF4050919BD02B8</UploadId> <Initiator> <ID>domainID/domainiddomainiddomainiddo000008:userID/useriduseriduseriduseridus000008</ID> </Initiator> <Owner> <ID>domainiddomainiddomainiddo000008</ID> </Owner> <StorageClass>STANDARD</StorageClass> <PartNumberMarker>0</PartNumberMarker> <NextPartNumberMarker>2</NextPartNumberMarker> <MaxParts>1000</MaxParts> <IsTruncated>false</IsTruncated> <Part> <PartNumber>1</PartNumber> <LastModified>2018-06-06T07:39:32.522Z</LastModified> <ETag>"b026324c6904b2a9cb4b88d6d61c81d1"</ETag> <Size>2058462721</Size> </Part> <Part> <PartNumber>2</PartNumber> <LastModified>2018-06-06T07:41:03.344Z</LastModified> <ETag>"3b46eaf02d3b6b1206078bb86a7b7013"</ETag> <Size>4572</Size> </Part> </ListPartsResult> |
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