AWS CLI Command Reference

[ aws . s3api ]

complete-multipart-upload

Description

Completes a multipart upload by assembling previously uploaded parts.

You first initiate the multipart upload and then upload all parts using the UploadPart operation or the UploadPartCopy operation. After successfully uploading all relevant parts of an upload, you call this CompleteMultipartUpload operation to complete the upload. Upon receiving this request, Amazon S3 concatenates all the parts in ascending order by part number to create a new object. In the CompleteMultipartUpload request, you must provide the parts list and ensure that the parts list is complete. The CompleteMultipartUpload API operation concatenates the parts that you provide in the list. For each part in the list, you must provide the PartNumber value and the ETag value that are returned after that part was uploaded.

The processing of a CompleteMultipartUpload request could take several minutes to finalize. After Amazon S3 begins processing the request, it sends an HTTP response header that specifies a 200 OK response. While processing is in progress, Amazon S3 periodically sends white space characters to keep the connection from timing out. A request could fail after the initial 200 OK response has been sent. This means that a 200 OK response can contain either a success or an error. The error response might be embedded in the 200 OK response. If you call this API operation directly, make sure to design your application to parse the contents of the response and handle it appropriately. If you use Amazon Web Services SDKs, SDKs handle this condition. The SDKs detect the embedded error and apply error handling per your configuration settings (including automatically retrying the request as appropriate). If the condition persists, the SDKs throw an exception (or, for the SDKs that don’t use exceptions, they return an error).

Note that if CompleteMultipartUpload fails, applications should be prepared to retry any failed requests (including 500 error responses). For more information, see Amazon S3 Error Best Practices .

Warning

You can’t use Content-Type: application/x-www-form-urlencoded for the CompleteMultipartUpload requests. Also, if you don’t provide a Content-Type header, CompleteMultipartUpload can still return a 200 OK response.

For more information about multipart uploads, see Uploading Objects Using Multipart Upload in the Amazon S3 User Guide .

Note

Directory buckets - For directory buckets, you must make requests for this API operation to the Zonal endpoint. These endpoints support virtual-hosted-style requests in the format ``https://bucket_name .s3express-az_id .*region* .amazonaws.com/key-name `` . Path-style requests are not supported. For more information, see Regional and Zonal endpoints in the Amazon S3 User Guide .

Permissions

  • General purpose bucket permissions - For information about permissions required to use the multipart upload API, see Multipart Upload and Permissions in the Amazon S3 User Guide . If you provide an additional checksum value in your MultipartUpload requests and the object is encrypted with Key Management Service, you must have permission to use the kms:Decrypt action for the CompleteMultipartUpload request to succeed.

  • Directory bucket permissions - To grant access to this API operation on a directory bucket, we recommend that you use the ` CreateSession https://docs.aws.amazon.com/AmazonS3/latest/API/API_CreateSession.html`__ API operation for session-based authorization. Specifically, you grant the s3express:CreateSession permission to the directory bucket in a bucket policy or an IAM identity-based policy. Then, you make the CreateSession API call on the bucket to obtain a session token. With the session token in your request header, you can make API requests to this operation. After the session token expires, you make another CreateSession API call to generate a new session token for use. Amazon Web Services CLI or SDKs create session and refresh the session token automatically to avoid service interruptions when a session expires. For more information about authorization, see ` CreateSession https://docs.aws.amazon.com/AmazonS3/latest/API/API_CreateSession.html`__ . If the object is encrypted with SSE-KMS, you must also have the kms:GenerateDataKey and kms:Decrypt permissions in IAM identity-based policies and KMS key policies for the KMS key.

    Special errors

  • Error Code: EntityTooSmall

    • Description: Your proposed upload is smaller than the minimum allowed object size. Each part must be at least 5 MB in size, except the last part.
    • HTTP Status Code: 400 Bad Request

  • Error Code: InvalidPart

    • Description: One or more of the specified parts could not be found. The part might not have been uploaded, or the specified ETag might not have matched the uploaded part’s ETag.
    • HTTP Status Code: 400 Bad Request

  • Error Code: InvalidPartOrder

    • Description: The list of parts was not in ascending order. The parts list must be specified in order by part number.
    • HTTP Status Code: 400 Bad Request

  • Error Code: NoSuchUpload

    • Description: The specified multipart upload does not exist. The upload ID might be invalid, or the multipart upload might have been aborted or completed.
    • HTTP Status Code: 404 Not Found

    HTTP Host header syntax

Directory buckets - The HTTP Host header syntax is `` Bucket_name .s3express-az_id .*region* .amazonaws.com`` .

The following operations are related to CompleteMultipartUpload :

See also: AWS API Documentation

Synopsis

  complete-multipart-upload
--bucket <value>
--key <value>
[--multipart-upload <value>]
--upload-id <value>
[--checksum-crc32 <value>]
[--checksum-crc32-c <value>]
[--checksum-sha1 <value>]
[--checksum-sha256 <value>]
[--request-payer <value>]
[--expected-bucket-owner <value>]
[--if-none-match <value>]
[--sse-customer-algorithm <value>]
[--sse-customer-key <value>]
[--sse-customer-key-md5 <value>]
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]
[--cli-binary-format <value>]
[--no-cli-pager]
[--cli-auto-prompt]
[--no-cli-auto-prompt]

Options

--bucket (string)

Name of the bucket to which the multipart upload was initiated.

Directory buckets - When you use this operation with a directory bucket, you must use virtual-hosted-style requests in the format `` Bucket_name .s3express-az_id .*region* .amazonaws.com`` . Path-style requests are not supported. Directory bucket names must be unique in the chosen Availability Zone. Bucket names must follow the format `` bucket_base_name –az-id –x-s3`` (for example, `` DOC-EXAMPLE-BUCKET –usw2-az1 –x-s3`` ). For information about bucket naming restrictions, see Directory bucket naming rules in the Amazon S3 User Guide .

Access points - When you use this action with an access point, you must provide the alias of the access point in place of the bucket name or specify the access point ARN. When using the access point ARN, you must direct requests to the access point hostname. The access point hostname takes the form AccessPointName -AccountId .s3-accesspoint.*Region* .amazonaws.com. When using this action with an access point through the Amazon Web Services SDKs, you provide the access point ARN in place of the bucket name. For more information about access point ARNs, see Using access points in the Amazon S3 User Guide .

Note

Access points and Object Lambda access points are not supported by directory buckets.

S3 on Outposts - When you use this action with Amazon S3 on Outposts, you must direct requests to the S3 on Outposts hostname. The S3 on Outposts hostname takes the form `` AccessPointName -AccountId .*outpostID* .s3-outposts.*Region* .amazonaws.com`` . When you use this action with S3 on Outposts through the Amazon Web Services SDKs, you provide the Outposts access point ARN in place of the bucket name. For more information about S3 on Outposts ARNs, see What is S3 on Outposts? in the Amazon S3 User Guide .

--key (string)

Object key for which the multipart upload was initiated.

--multipart-upload (structure)

The container for the multipart upload request information.

Parts -> (list)

Array of CompletedPart data types.

If you do not supply a valid Part with your request, the service sends back an HTTP 400 response.

(structure)

Details of the parts that were uploaded.

ETag -> (string)

Entity tag returned when the part was uploaded.

ChecksumCRC32 -> (string)

The base64-encoded, 32-bit CRC-32 checksum of the object. This will only be present if it was uploaded with the object. When you use an API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ChecksumCRC32C -> (string)

The base64-encoded, 32-bit CRC-32C checksum of the object. This will only be present if it was uploaded with the object. When you use an API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ChecksumSHA1 -> (string)

The base64-encoded, 160-bit SHA-1 digest of the object. This will only be present if it was uploaded with the object. When you use the API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ChecksumSHA256 -> (string)

The base64-encoded, 256-bit SHA-256 digest of the object. This will only be present if it was uploaded with the object. When you use an API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

PartNumber -> (integer)

Part number that identifies the part. This is a positive integer between 1 and 10,000.

Note

  • General purpose buckets - In CompleteMultipartUpload , when a additional checksum (including x-amz-checksum-crc32 , x-amz-checksum-crc32c , x-amz-checksum-sha1 , or x-amz-checksum-sha256 ) is applied to each part, the PartNumber must start at 1 and the part numbers must be consecutive. Otherwise, Amazon S3 generates an HTTP 400 Bad Request status code and an InvalidPartOrder error code.
  • Directory buckets - In CompleteMultipartUpload , the PartNumber must start at 1 and the part numbers must be consecutive.

Shorthand Syntax:

Parts=[{ETag=string,ChecksumCRC32=string,ChecksumCRC32C=string,ChecksumSHA1=string,ChecksumSHA256=string,PartNumber=integer},{ETag=string,ChecksumCRC32=string,ChecksumCRC32C=string,ChecksumSHA1=string,ChecksumSHA256=string,PartNumber=integer}]

JSON Syntax:

{
  "Parts": [
    {
      "ETag": "string",
      "ChecksumCRC32": "string",
      "ChecksumCRC32C": "string",
      "ChecksumSHA1": "string",
      "ChecksumSHA256": "string",
      "PartNumber": integer
    }
    ...
  ]
}

--upload-id (string)

ID for the initiated multipart upload.

--checksum-crc32 (string)

This header can be used as a data integrity check to verify that the data received is the same data that was originally sent. This header specifies the base64-encoded, 32-bit CRC-32 checksum of the object. For more information, see Checking object integrity in the Amazon S3 User Guide .

--checksum-crc32-c (string)

This header can be used as a data integrity check to verify that the data received is the same data that was originally sent. This header specifies the base64-encoded, 32-bit CRC-32C checksum of the object. For more information, see Checking object integrity in the Amazon S3 User Guide .

--checksum-sha1 (string)

This header can be used as a data integrity check to verify that the data received is the same data that was originally sent. This header specifies the base64-encoded, 160-bit SHA-1 digest of the object. For more information, see Checking object integrity in the Amazon S3 User Guide .

--checksum-sha256 (string)

This header can be used as a data integrity check to verify that the data received is the same data that was originally sent. This header specifies the base64-encoded, 256-bit SHA-256 digest of the object. For more information, see Checking object integrity in the Amazon S3 User Guide .

--request-payer (string)

Confirms that the requester knows that they will be charged for the request. Bucket owners need not specify this parameter in their requests. If either the source or destination S3 bucket has Requester Pays enabled, the requester will pay for corresponding charges to copy the object. For information about downloading objects from Requester Pays buckets, see Downloading Objects in Requester Pays Buckets in the Amazon S3 User Guide .

Note

This functionality is not supported for directory buckets.

Possible values:

  • requester

--expected-bucket-owner (string)

The account ID of the expected bucket owner. If the account ID that you provide does not match the actual owner of the bucket, the request fails with the HTTP status code 403 Forbidden (access denied).

--if-none-match (string)

Uploads the object only if the object key name does not already exist in the bucket specified. Otherwise, Amazon S3 returns a 412 Precondition Failed error.

If a conflicting operation occurs during the upload S3 returns a 409 ConditionalRequestConflict response. On a 409 failure you should re-initiate the multipart upload with CreateMultipartUpload and re-upload each part.

Expects the ‘*’ (asterisk) character.

For more information about conditional requests, see RFC 7232 , or Conditional requests in the Amazon S3 User Guide .

--sse-customer-algorithm (string)

The server-side encryption (SSE) algorithm used to encrypt the object. This parameter is required only when the object was created using a checksum algorithm or if your bucket policy requires the use of SSE-C. For more information, see Protecting data using SSE-C keys in the Amazon S3 User Guide .

Note

This functionality is not supported for directory buckets.

--sse-customer-key (string)

The server-side encryption (SSE) customer managed key. This parameter is needed only when the object was created using a checksum algorithm. For more information, see Protecting data using SSE-C keys in the Amazon S3 User Guide .

Note

This functionality is not supported for directory buckets.

--sse-customer-key-md5 (string)

The MD5 server-side encryption (SSE) customer managed key. This parameter is needed only when the object was created using a checksum algorithm. For more information, see Protecting data using SSE-C keys in the Amazon S3 User Guide .

Note

This functionality is not supported for directory buckets.

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with --cli-input-yaml.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command. The generated JSON skeleton is not stable between versions of the AWS CLI and there are no backwards compatibility guarantees in the JSON skeleton generated.

Global Options

--debug (boolean)

Turn on debug logging.

--endpoint-url (string)

Override command’s default URL with the given URL.

--no-verify-ssl (boolean)

By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.

--no-paginate (boolean)

Disable automatic pagination. If automatic pagination is disabled, the AWS CLI will only make one call, for the first page of results.

--output (string)

The formatting style for command output.

  • json
  • text
  • table
  • yaml
  • yaml-stream

--query (string)

A JMESPath query to use in filtering the response data.

--profile (string)

Use a specific profile from your credential file.

--region (string)

The region to use. Overrides config/env settings.

--version (string)

Display the version of this tool.

--color (string)

Turn on/off color output.

  • on
  • off
  • auto

--no-sign-request (boolean)

Do not sign requests. Credentials will not be loaded if this argument is provided.

--ca-bundle (string)

The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.

--cli-read-timeout (int)

The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.

--cli-connect-timeout (int)

The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.

--cli-binary-format (string)

The formatting style to be used for binary blobs. The default format is base64. The base64 format expects binary blobs to be provided as a base64 encoded string. The raw-in-base64-out format preserves compatibility with AWS CLI V1 behavior and binary values must be passed literally. When providing contents from a file that map to a binary blob fileb:// will always be treated as binary and use the file contents directly regardless of the cli-binary-format setting. When using file:// the file contents will need to properly formatted for the configured cli-binary-format.

  • base64
  • raw-in-base64-out

--no-cli-pager (boolean)

Disable cli pager for output.

--cli-auto-prompt (boolean)

Automatically prompt for CLI input parameters.

--no-cli-auto-prompt (boolean)

Disable automatically prompt for CLI input parameters.

Examples

Note

To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information.

Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal’s quoting rules. See Using quotation marks with strings in the AWS CLI User Guide .

The following command completes a multipart upload for the key multipart/01 in the bucket my-bucket:

aws s3api complete-multipart-upload --multipart-upload file://mpustruct --bucket my-bucket --key 'multipart/01' --upload-id dfRtDYU0WWCCcH43C3WFbkRONycyCpTJJvxu2i5GYkZljF.Yxwh6XG7WfS2vC4to6HiV6Yjlx.cph0gtNBtJ8P3URCSbB7rjxI5iEwVDmgaXZOGgkk5nVTW16HOQ5l0R

The upload ID required by this command is output by create-multipart-upload and can also be retrieved with list-multipart-uploads.

The multipart upload option in the above command takes a JSON structure that describes the parts of the multipart upload that should be reassembled into the complete file. In this example, the file:// prefix is used to load the JSON structure from a file in the local folder named mpustruct.

mpustruct:

{
  "Parts": [
    {
      "ETag": "e868e0f4719e394144ef36531ee6824c",
      "PartNumber": 1
    },
    {
      "ETag": "6bb2b12753d66fe86da4998aa33fffb0",
      "PartNumber": 2
    },
    {
      "ETag": "d0a0112e841abec9c9ec83406f0159c8",
      "PartNumber": 3
    }
  ]
}

The ETag value for each part is upload is output each time you upload a part using the upload-part command and can also be retrieved by calling list-parts or calculated by taking the MD5 checksum of each part.

Output:

{
    "ETag": "\"3944a9f7a4faab7f78788ff6210f63f0-3\"",
    "Bucket": "my-bucket",
    "Location": "https://my-bucket.s3.amazonaws.com/multipart%2F01",
    "Key": "multipart/01"
}

Output

Location -> (string)

The URI that identifies the newly created object.

Bucket -> (string)

The name of the bucket that contains the newly created object. Does not return the access point ARN or access point alias if used.

Note

Access points are not supported by directory buckets.

Key -> (string)

The object key of the newly created object.

Expiration -> (string)

If the object expiration is configured, this will contain the expiration date (expiry-date ) and rule ID (rule-id ). The value of rule-id is URL-encoded.

Note

This functionality is not supported for directory buckets.

ETag -> (string)

Entity tag that identifies the newly created object’s data. Objects with different object data will have different entity tags. The entity tag is an opaque string. The entity tag may or may not be an MD5 digest of the object data. If the entity tag is not an MD5 digest of the object data, it will contain one or more nonhexadecimal characters and/or will consist of less than 32 or more than 32 hexadecimal digits. For more information about how the entity tag is calculated, see Checking object integrity in the Amazon S3 User Guide .

ChecksumCRC32 -> (string)

The base64-encoded, 32-bit CRC-32 checksum of the object. This will only be present if it was uploaded with the object. When you use an API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ChecksumCRC32C -> (string)

The base64-encoded, 32-bit CRC-32C checksum of the object. This will only be present if it was uploaded with the object. When you use an API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ChecksumSHA1 -> (string)

The base64-encoded, 160-bit SHA-1 digest of the object. This will only be present if it was uploaded with the object. When you use the API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ChecksumSHA256 -> (string)

The base64-encoded, 256-bit SHA-256 digest of the object. This will only be present if it was uploaded with the object. When you use an API operation on an object that was uploaded using multipart uploads, this value may not be a direct checksum value of the full object. Instead, it’s a calculation based on the checksum values of each individual part. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide .

ServerSideEncryption -> (string)

The server-side encryption algorithm used when storing this object in Amazon S3 (for example, AES256 , aws:kms ).

VersionId -> (string)

Version ID of the newly created object, in case the bucket has versioning turned on.

Note

This functionality is not supported for directory buckets.

SSEKMSKeyId -> (string)

If present, indicates the ID of the KMS key that was used for object encryption.

BucketKeyEnabled -> (boolean)

Indicates whether the multipart upload uses an S3 Bucket Key for server-side encryption with Key Management Service (KMS) keys (SSE-KMS).

RequestCharged -> (string)

If present, indicates that the requester was successfully charged for the request.

Note

This functionality is not supported for directory buckets.
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