Help Center/OBS BrowserJS SDK/API Reference/Bucket-Related APIs/PUT Bucket lifecycle
Updated on 2025-12-11 GMT+08:00
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PUT Bucket lifecycle

API Description

You can use this API to set lifecycle rules for a bucket, so as to periodically transit storage classes of objects and delete objects in the bucket.

Method Definition

ObsClient.setBucketLifecycle

Request Parameter

Field

Type

Optional or Mandatory

Description

Bucket

String

Mandatory

Bucket name

RequestDate

String

or

Date

Optional

Request time

NOTE:

When the parameter type is String, the value must comply with the ISO8601 or RFC822 standards.

Rules

Array

Mandatory

Lifecycle rules of the bucket

-

Transitions

Array

Optional

List of object transition policies

-

StorageClass

String

Mandatory

Storage class of the object after transition

NOTE:

The Standard storage class is not supported.

Date

String

Mandatory when Days is not set

Date when an object will be transitioned. The value must conform to the ISO8601 standards and must be at 00:00 (UTC time), for example, 2018-01-01T00:00:00Z.

Days

Number

Mandatory when Date is not set

Number of days after which an object will be transitioned since its creation. The value must be a positive integer.

-

Expiration

Object

Optional

Expiration time of an object

-

Date

String

Mandatory when Days is not set

Date when an object expires. The value must conform to the ISO8601 standards and must be at 00:00 (UTC time), for example, 2018-01-01T00:00:00Z.

Days

Number

Mandatory when Date is not set

Number of days after which an object expires since its creation. The value must be a positive integer.

ID

String

Optional

Rule ID. It is a 1-255 character string.

Prefix

String

Mandatory

Object name prefix identifying one or more objects to which the rule applies. The value can be empty, indicating that the rule applies to all objects in the bucket.

Status

String

Mandatory

Whether this rule is enabled. Possible values are:

  • Enabled: The rule is enabled.
  • Disabled: The rule is disabled.

-

NoncurrentVersionTransitions

Array

Optional

List of noncurrent object version transition policies

-

StorageClass

String

Mandatory

Storage class of the noncurrent object version after transition

NoncurrentDays

Number

Mandatory

Number of days after which an object will be transitioned since it becomes a noncurrent version. The parameter value must be a positive integer.

-

NoncurrentVersionExpiration

Object

Optional

Expiration time of a noncurrent object version

-

NoncurrentDays

Number

Mandatory

Number of days after which an object expires since it becomes a noncurrent version. The field value must be a positive integer.

Transition, Expiration, NoncurrentVersionTransitions, and NoncurrentVersionExpiration cannot be all null.

Returned Result (InterfaceResult)

Field

Type

Description

RequestId

String

Request ID returned by the OBS server

Sample Code

obsClient.setBucketLifecycle({
       Bucket : 'bucketname',
       Rules:[
              {ID:'rule1',Prefix:'prefix1',Status:'Enabled',Expiration:{Days: 60}, NoncurrentVersionExpiration:{NoncurrentDays : 60}},
              {ID:'rule2',Prefix:'prefix2',Status:'Enabled',Expiration:{Date: '2018-12-31T00:00:00Z'}}
       ]
},function (err, result) {
       if(err){
              console.error('Error-->' + err);
       }else{
              if(result.CommonMsg.Status < 300){
                     console.log('RequestId-->' + result.InterfaceResult.RequestId);
              }else{
                     console.log('Code-->' + result.CommonMsg.Code);
                     console.log('Message-->' + result.CommonMsg.Message);
              }
       }
});
Parent topic:Bucket-Related APIs