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Showing content from https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLifecycleConfiguration.html below:

GetBucketLifecycleConfiguration - Amazon Simple Storage Service

GetBucketLifecycleConfiguration

Returns the lifecycle configuration information set on the bucket. For information about lifecycle configuration, see Object Lifecycle Management.

Bucket lifecycle configuration now supports specifying a lifecycle rule using an object key name prefix, one or more object tags, object size, or any combination of these. Accordingly, this section describes the latest API, which is compatible with the new functionality. The previous version of the API supported filtering based only on an object key name prefix, which is supported for general purpose buckets for backward compatibility. For the related API description, see GetBucketLifecycle.

Note

Lifecyle configurations for directory buckets only support expiring objects and cancelling multipart uploads. Expiring of versioned objects, transitions and tag filters are not supported.

Permissions

General purpose bucket permissions - By default, all Amazon S3 resources are private, including buckets, objects, and related subresources (for example, lifecycle configuration and website configuration). Only the resource owner (that is, the AWS account that created it) can access the resource. The resource owner can optionally grant access permissions to others by writing an access policy. For this operation, a user must have the s3:GetLifecycleConfiguration permission.

For more information about permissions, see Managing Access Permissions to Your Amazon S3 Resources.

Directory bucket permissions - You must have the s3express:GetLifecycleConfiguration permission in an IAM identity-based policy to use this operation. Cross-account access to this API operation isn't supported. The resource owner can optionally grant access permissions to others by creating a role or user for them as long as they are within the same account as the owner and resource.

For more information about directory bucket policies and permissions, see Authorizing Regional endpoint APIs with IAM in the Amazon S3 User Guide.

Note

Directory buckets - For directory buckets, you must make requests for this API operation to the Regional endpoint. These endpoints support path-style requests in the format https://s3express-control.region-code.amazonaws.com/bucket-name . Virtual-hosted-style requests aren't supported. For more information about endpoints in Availability Zones, see Regional and Zonal endpoints for directory buckets in Availability Zones in the Amazon S3 User Guide. For more information about endpoints in Local Zones, see Concepts for directory buckets in Local Zones in the Amazon S3 User Guide.

HTTP Host header syntax

Directory buckets - The HTTP Host header syntax is s3express-control.region.amazonaws.com.

GetBucketLifecycleConfiguration has the following special error:

Error code: NoSuchLifecycleConfiguration
- Description: The lifecycle configuration does not exist.
- HTTP Status Code: 404 Not Found
- SOAP Fault Code Prefix: Client

The following operations are related to GetBucketLifecycleConfiguration:

Important

You must URL encode any signed header values that contain spaces. For example, if your header value is my file.txt, containing two spaces after my, you must URL encode this value to my%20%20file.txt.

Request Syntax

GET /?lifecycle HTTP/1.1
Host: Bucket.s3.amazonaws.com
x-amz-expected-bucket-owner: ExpectedBucketOwner

URI Request Parameters

The request uses the following URI parameters.

The name of the bucket for which to get the lifecycle information.

Required: Yes

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).

Note

This parameter applies to general purpose buckets only. It is not supported for directory bucket lifecycle configurations.

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200
x-amz-transition-default-minimum-object-size: TransitionDefaultMinimumObjectSize
<?xml version="1.0" encoding="UTF-8"?>
<LifecycleConfiguration>
   <Rule>
      <AbortIncompleteMultipartUpload>
         <DaysAfterInitiation>integer</DaysAfterInitiation>
      </AbortIncompleteMultipartUpload>
      <Expiration>
         <Date>timestamp</Date>
         <Days>integer</Days>
         <ExpiredObjectDeleteMarker>boolean</ExpiredObjectDeleteMarker>
      </Expiration>
      <Filter>
         <And>
            <ObjectSizeGreaterThan>long</ObjectSizeGreaterThan>
            <ObjectSizeLessThan>long</ObjectSizeLessThan>
            <Prefix>string</Prefix>
            <Tag>
               <Key>string</Key>
               <Value>string</Value>
            </Tag>
            ...
         </And>
         <ObjectSizeGreaterThan>long</ObjectSizeGreaterThan>
         <ObjectSizeLessThan>long</ObjectSizeLessThan>
         <Prefix>string</Prefix>
         <Tag>
            <Key>string</Key>
            <Value>string</Value>
         </Tag>
      </Filter>
      <ID>string</ID>
      <NoncurrentVersionExpiration>
         <NewerNoncurrentVersions>integer</NewerNoncurrentVersions>
         <NoncurrentDays>integer</NoncurrentDays>
      </NoncurrentVersionExpiration>
      <NoncurrentVersionTransition>
         <NewerNoncurrentVersions>integer</NewerNoncurrentVersions>
         <NoncurrentDays>integer</NoncurrentDays>
         <StorageClass>string</StorageClass>
      </NoncurrentVersionTransition>
      ...
      <Prefix>string</Prefix>
      <Status>string</Status>
      <Transition>
         <Date>timestamp</Date>
         <Days>integer</Days>
         <StorageClass>string</StorageClass>
      </Transition>
      ...
   </Rule>
   ...
</LifecycleConfiguration>

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The response returns the following HTTP headers.

Indicates which default minimum object size behavior is applied to the lifecycle configuration.

Note

This parameter applies to general purpose buckets only. It isn't supported for directory bucket lifecycle configurations.

all_storage_classes_128K - Objects smaller than 128 KB will not transition to any storage class by default.
varies_by_storage_class - Objects smaller than 128 KB will transition to Glacier Flexible Retrieval or Glacier Deep Archive storage classes. By default, all other storage classes will prevent transitions smaller than 128 KB.

To customize the minimum object size for any transition you can add a filter that specifies a custom ObjectSizeGreaterThan or ObjectSizeLessThan in the body of your transition rule. Custom filters always take precedence over the default transition behavior.

Valid Values: varies_by_storage_class | all_storage_classes_128K

The following data is returned in XML format by the service.

Examples Example 1: Get lifecycle configuration - general purpose bucket

This example illustrates how to use GetBucketLifecycleConfiguration to retrieve the lifecycle configuration for a general purpose bucket:

GET /?lifecycle HTTP/1.1
Host: amzn-s3-demo-bucket.s3.<Region>.amazonaws.com
x-amz-date: Thu, 15 Nov 2012 00:17:21 GMT
Authorization: signatureValue

Sample Response

This example shows the response from the preceeding GetBucketLifecycleConfiguration request:

HTTP/1.1 200 OK
x-amz-id-2: ITnGT1y4RyTmXa3rPi4hklTXouTf0hccUjo0iCPjz6FnfIutBj3M7fPGlWO2SEWp
x-amz-request-id: 51991C342C575321
Date: Thu, 15 Nov 2012 00:17:23 GMT
Server: AmazonS3
Content-Length: 358

<?xml version="1.0" encoding="UTF-8"?>
<LifecycleConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
   <Rule>
      <ID>Archive and then delete rule</ID>
      <Prefix>projectdocs/</Prefix>
      <Status>Enabled</Status>
      <Transition>
         <Days>30</Days>
         <StorageClass>STANDARD_IA</StorageClass>
      </Transition>
      <Transition>
         <Days>365</Days>
         <StorageClass>GLACIER</StorageClass>
      </Transition>
      <Expiration>
         <Days>3650</Days>
      </Expiration>
   </Rule>
</LifecycleConfiguration>

Example 2: Get lifecycle configuration - directory bucket

This example illustrates how to use GetBucketLifecycleConfiguration to retrieve the lifecycle configuration for a directory bucket:

GET /?lifecycle HTTP/1.1
Host:s3express-control.us-west-2.amazonaws.com

Sample Response

This example shows the response from the preceeding GetBucketLifecycleConfiguration request:


<?xml version="1.0" encoding="UTF-8"?>
<LifecycleConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
   <Rule>
      <ID>Lifecycle expiration rule</ID>
      <Filter>
         <And>
            <Prefix>myprefix/</Prefix>
            <ObjectSizeGreaterThan>500</ObjectSizeGreaterThan>
            <ObjectSizeLessThan>64000</ObjectSizeLessThan>
         </And>
      </Filter>
      <Status>Enabled</Status>
      <Expiration>
         <Days>7</Days>
      </Expiration>
   </Rule>
   <Rule>
      <ID>MPU Rule </ID>
      <Filter>
         <Prefix>another_prefix </Prefix>
      </Filter>
      <Status>Enabled</Status>
      <AbortIncompleteMultipartUpload>
         <DaysAfterInitiation>3</DaysAfterInitiation>
      </AbortIncompleteMultipartUpload>
   </Rule>
</LifecycleConfiguration>