Reduce storage costs with last modification time rules

Java

import com.aliyun.oss.*;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.common.utils.DateUtil;
import com.aliyun.oss.model.LifecycleRule;
import com.aliyun.oss.model.SetBucketLifecycleRequest;
import com.aliyun.oss.model.StorageClass;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Demo {

    public static void main(String[] args) throws Exception {
        // In this example, the endpoint of the China (Hangzhou) region is used. Specify your actual endpoint. 
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. 
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // Specify the name of the bucket. Example: examplebucket. 
        String bucketName = "examplebucket";
        // Specify the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou.
        String region = "cn-hangzhou";

        // Create an OSSClient instance. 
        // Call the shutdown method to release resources when the OSSClient is no longer in use.
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);        
        OSS ossClient = OSSClientBuilder.create()
        .endpoint(endpoint)
        .credentialsProvider(credentialsProvider)
        .clientConfiguration(clientBuilderConfiguration)
        .region(region)               
        .build();

        try {
            // Create a request by using SetBucketLifecycleRequest. 
            SetBucketLifecycleRequest request = new SetBucketLifecycleRequest(bucketName);

            // Specify the ID of the lifecycle rule. 
            String ruleId0 = "rule0";
            // Specify the prefix that you want the lifecycle rule to match. 
            String matchPrefix0 = "A0/";
            // Specify the tag that you want the lifecycle rule to match. 
            Map<String, String> matchTags0 = new HashMap<String, String>();
            // Specify the key and value of the tag. In the example, the key is set to owner and the value is set to John. 
            matchTags0.put("owner", "John");


            String ruleId1 = "rule1";
            String matchPrefix1 = "A1/";
            Map<String, String> matchTags1 = new HashMap<String, String>();
            matchTags1.put("type", "document");

            String ruleId2 = "rule2";
            String matchPrefix2 = "A2/";

            String ruleId3 = "rule3";
            String matchPrefix3 = "A3/";

            String ruleId4 = "rule4";
            String matchPrefix4 = "A4/";

            String ruleId5 = "rule5";
            String matchPrefix5 = "A5/";

            String ruleId6 = "rule6";
            String matchPrefix6 = "A6/";

            // Set the expiration time to three days after the last modified time. 
            LifecycleRule rule = new LifecycleRule(ruleId0, matchPrefix0, LifecycleRule.RuleStatus.Enabled, 3);
            rule.setTags(matchTags0);
            request.AddLifecycleRule(rule);

            // Specify that objects that are created before the specified date expire. 
            rule = new LifecycleRule(ruleId1, matchPrefix1, LifecycleRule.RuleStatus.Enabled);
            rule.setCreatedBeforeDate(DateUtil.parseIso8601Date("2022-10-12T00:00:00.000Z"));
            rule.setTags(matchTags1);
            request.AddLifecycleRule(rule);

            // Specify that parts expire three days after they are last modified. 
            rule = new LifecycleRule(ruleId2, matchPrefix2, LifecycleRule.RuleStatus.Enabled);
            LifecycleRule.AbortMultipartUpload abortMultipartUpload = new LifecycleRule.AbortMultipartUpload();
            abortMultipartUpload.setExpirationDays(3);
            rule.setAbortMultipartUpload(abortMultipartUpload);
            request.AddLifecycleRule(rule);

            // Specify that parts that are created before the specific date expire. 
            rule = new LifecycleRule(ruleId3, matchPrefix3, LifecycleRule.RuleStatus.Enabled);
            abortMultipartUpload = new LifecycleRule.AbortMultipartUpload();
            abortMultipartUpload.setCreatedBeforeDate(DateUtil.parseIso8601Date("2022-10-12T00:00:00.000Z"));
            rule.setAbortMultipartUpload(abortMultipartUpload);
            request.AddLifecycleRule(rule);

            // Specify that the storage classes of objects are changed to IA 10 days after they are last modified, and to Archive 30 days after they are last modified. 
            rule = new LifecycleRule(ruleId4, matchPrefix4, LifecycleRule.RuleStatus.Enabled);
            List<LifecycleRule.StorageTransition> storageTransitions = new ArrayList<LifecycleRule.StorageTransition>();
            LifecycleRule.StorageTransition storageTransition = new LifecycleRule.StorageTransition();
            storageTransition.setStorageClass(StorageClass.IA);
            storageTransition.setExpirationDays(10);
            storageTransitions.add(storageTransition);
            storageTransition = new LifecycleRule.StorageTransition();
            storageTransition.setStorageClass(StorageClass.Archive);
            storageTransition.setExpirationDays(30);
            storageTransitions.add(storageTransition);
            rule.setStorageTransition(storageTransitions);
            request.AddLifecycleRule(rule);

            // Specify that the storage classes of objects that are last modified before October 12, 2022 are changed to Archive. 
            rule = new LifecycleRule(ruleId5, matchPrefix5, LifecycleRule.RuleStatus.Enabled);
            storageTransitions = new ArrayList<LifecycleRule.StorageTransition>();
            storageTransition = new LifecycleRule.StorageTransition();

            storageTransition.setCreatedBeforeDate(DateUtil.parseIso8601Date("2022-10-12T00:00:00.000Z"));

            storageTransition.setStorageClass(StorageClass.Archive);
            storageTransitions.add(storageTransition);
            rule.setStorageTransition(storageTransitions);
            request.AddLifecycleRule(rule);

            // Specify that rule6 is configured for versioning-enabled buckets. 
            rule = new LifecycleRule(ruleId6, matchPrefix6, LifecycleRule.RuleStatus.Enabled);
            // Specify that the storage classes of objects are changed to Archive 365 days after the objects are last modified. 
            storageTransitions = new ArrayList<LifecycleRule.StorageTransition>();
            storageTransition = new LifecycleRule.StorageTransition();
            storageTransition.setStorageClass(StorageClass.Archive);
            storageTransition.setExpirationDays(365);
            storageTransitions.add(storageTransition);
            rule.setStorageTransition(storageTransitions);
            // Configure the lifecycle rule to automatically delete expired delete markers. 
            rule.setExpiredDeleteMarker(true);
            // Specify that the storage classes of the previous versions of objects are changed to IA 10 days after the objects are last modified. 
            LifecycleRule.NoncurrentVersionStorageTransition noncurrentVersionStorageTransition =
                    new LifecycleRule.NoncurrentVersionStorageTransition().withNoncurrentDays(10).withStrorageClass(StorageClass.IA);
            // Specify that the storage classes of the previous versions of objects are changed to Archive 20 days after the objects are last modified. 
            LifecycleRule.NoncurrentVersionStorageTransition noncurrentVersionStorageTransition2 =
                    new LifecycleRule.NoncurrentVersionStorageTransition().withNoncurrentDays(20).withStrorageClass(StorageClass.Archive);
            // Specify that the previous versions of objects are deleted 30 days after the objects are last modified. 
            LifecycleRule.NoncurrentVersionExpiration noncurrentVersionExpiration = new LifecycleRule.NoncurrentVersionExpiration().withNoncurrentDays(30);
            List<LifecycleRule.NoncurrentVersionStorageTransition> noncurrentVersionStorageTransitions = new ArrayList<LifecycleRule.NoncurrentVersionStorageTransition>();
            noncurrentVersionStorageTransitions.add(noncurrentVersionStorageTransition2);
            rule.setStorageTransition(storageTransitions);
            rule.setNoncurrentVersionExpiration(noncurrentVersionExpiration);
            rule.setNoncurrentVersionStorageTransitions(noncurrentVersionStorageTransitions);
            request.AddLifecycleRule(rule);

            // Initiate a request to configure lifecycle rules. 
            ossClient.setBucketLifecycle(request);

            // Query the lifecycle rules that are configured for the bucket. 
            List<LifecycleRule> listRules = ossClient.getBucketLifecycle(bucketName);
            for(LifecycleRule rules : listRules){
                System.out.println("ruleId="+rules.getId()+", matchPrefix="+rules.getPrefix());
            }
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

PHP

<?php

// Include the autoload file to load dependencies
require_once __DIR__ . '/../vendor/autoload.php';

use AlibabaCloud\Oss\V2 as Oss;
use AlibabaCloud\Oss\V2\Models\LifecycleConfiguration;

// Specify descriptions for command line parameters
$optsdesc = [
    "region" => ['help' => 'The region in which the bucket is located', 'required' => True], // (Required) Specify the region in which the bucket is located.
    "endpoint" => ['help' => 'The domain names that other services can use to access OSS', 'required' => False], // (Optional) Specify the endpoint that can be used by other services to access OSS.
    "bucket" => ['help' => 'The name of the bucket', 'required' => True], // (Required) Specify the name of the bucket.
];

// Generate a list of long options to parse the command-line parameters
$longopts = \array_map(function ($key) {
    return "$key:"; // Add a colon after each parameter to indicate that a value is required
}, array_keys($optsdesc));

// Parse the command-line parameters
$options = getopt("", $longopts); 

// Check whether the required parameters are missing
foreach ($optsdesc as $key => $value) {
    if ($value['required'] === True && empty($options[$key])) {
        $help = $value['help'];
        echo "Error: the following arguments are required: --$key, $help"; // Prompt the user for missing required parameters
        exit(1); 
    }
}

// Obtain the values of the command-line parameters
$region = $options["region"]; // The region in which the bucket is located
$bucket = $options["bucket"]; // The name of the bucket

// Use environment variables to load the AccessKey ID and AccessKey secret
$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();

// Use the default configuration of the SDK
$cfg = Oss\Config::loadDefault();

// Specify the credential provider
$cfg->setCredentialsProvider($credentialsProvider);

// Specify the region
$cfg->setRegion($region);

// Specify the endpoint if an endpoint is provided
if (isset($options["endpoint"])) {
    $cfg->setEndpoint($options["endpoint"]);
}

// Create an OSSClient instance
$client = new Oss\Client($cfg);

// Define a lifecycle rule to convert objects whose names contain the log/ prefix to the IA storage class after 30 days
$lifecycleRule = new Oss\Models\LifecycleRule(
    prefix: 'log/', // The prefix of the object
    transitions: array(
        new Oss\Models\LifecycleRuleTransition(
            days: 30, // The conversion time is 30 days
            storageClass: 'IA' // The target storage class is IA
        )
    ),
    id: 'rule', // The ID of the rule
    status: 'Enabled' // The status of the rule is enabled
);

// Create a lifecycle configuration object and add the lifecycle rule
$lifecycleConfiguration = new LifecycleConfiguration(
    rules: array($lifecycleRule)
);

// Create a request object to set the lifecycle of the bucket and pass in the lifecycle configuration
$request = new Oss\Models\PutBucketLifecycleRequest(
    bucket: $bucket,
    lifecycleConfiguration: $lifecycleConfiguration
);

// Call the putBucketLifecycle method to set the lifecycle rules for the bucket
$result = $client->putBucketLifecycle($request);

// Display the returned result
printf(
    'status code:' . $result->statusCode . PHP_EOL . // The HTTP response status code
    'request id:' . $result->requestId . PHP_EOL // The unique identifier of the request
);

Node.js

const OSS = require('ali-oss')

const client = new OSS({
  // Specify the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the region to oss-cn-hangzhou. 
  region: 'yourregion',
  // Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. 
  accessKeyId: process.env.OSS_ACCESS_KEY_ID,
  accessKeySecret: process.env.OSS_ACCESS_KEY_SECRET,
  authorizationV4: true,
  // Specify the name of the bucket. 
  bucket: 'yourbucketname'
});

async function putBucketLifecycle(lifecycle) {
  try {
    const result = await client.putBucketLifecycle('yourbucketname', [
    lifecycle
  ]);
    console.log(result);
  } catch (e) {
    console.log(e);
  }
}

const lifecycle1 = {
  id: 'rule1',
  status: 'Enabled',
  prefix: 'foo/',
  expiration: {
    // Specify that the current versions of objects expire three days after the objects are last modified. 
    days: 3 
  }
}
putBucketLifecycle(lifecycle1)

const lifecycle2 = {
  id: 'rule2',
  status: 'Enabled',
  prefix: 'foo/', 
  expiration: {
    // Specify that the objects that are created before the specified date expire. 
    createdBeforeDate: '2020-02-18T00:00:00.000Z' 
  },
}
putBucketLifecycle(lifecycle2)

const lifecycle3 = {
  id: 'rule3',
  status: 'Enabled',
  prefix: 'foo/', 
  abortMultipartUpload: {
    // Specify that parts expire in three days. 
    days: 3 
  },
}
putBucketLifecycle(lifecycle3)

const lifecycle4 = {
  id: 'rule4',
  status: 'Enabled',
  prefix: 'foo/', 
  abortMultipartUpload: {
    // Specify that parts created before the specified date expire. 
    createdBeforeDate: '2020-02-18T00:00:00.000Z' 
  },
}
putBucketLifecycle(lifecycle4)

const lifecycle5 = {
  id: 'rule5',
  status: 'Enabled',
  prefix: 'foo/', 
  transition: {
    // Specify that the storage classes of the current versions of objects are changed to Archive 20 days after the objects are last modified. 
    days: 20,
    storageClass: 'Archive'
  },
  expiration: {
    // Specify that the current versions of objects expire 21 days after the objects are last modified. 
    days: 21 
  },
}
putBucketLifecycle(lifecycle5)

const lifecycle6 = {
  id: 'rule6',
  status: 'Enabled',
  prefix: 'foo/', 
  transition: {
    //Specify that the storage classes of the objects that are created before the specified date are changed to Archive. 
    createdBeforeDate: '2023-02-19T00:00:00.000Z', 
    storageClass: 'Archive'
  },
  expiration: {
    // Specify that objects created before the specified date are deleted. 
    createdBeforeDate: '2023-01-18T00:00:00.000Z' 
  },
}
putBucketLifecycle(lifecycle6)

const lifecycle7 = {
  id: 'rule7',
  status: 'Enabled',
  prefix: 'foo/', 
  expiration: {
    // Specify that delete markers are automatically removed when they expire. 
    expiredObjectDeleteMarker: true 
  }
}
putBucketLifecycle(lifecycle7)

const lifecycle8 = {
  id: 'rule8',
  status: 'Enabled',
  prefix: 'foo/', 
  // Specify that the storage classes of the previous versions of objects are changed to IA 10 days after the objects are last modified. 
  noncurrentVersionTransition: {
    noncurrentDays: '10',
    storageClass: 'IA'
  }
}
putBucketLifecycle(lifecycle8)

const lifecycle9 = {
  id: 'rule9',
  status: 'Enabled',
  prefix: 'foo/', 
  // Specify that the storage classes of the previous versions of objects are changed to IA 10 days after the objects are last modified. 
  noncurrentVersionTransition: {
    noncurrentDays: '10',
    storageClass: 'IA'
  },
  // Specify the tags for objects that you want to match the rules. 
  tag: [{
    key: 'key1',
    value: 'value1'
  },
   {
     key: 'key2',
     value: 'value2'
   }]
}
putBucketLifecycle(lifecycle9)

Python

import argparse
import alibabacloud_oss_v2 as oss

# Create a command-line argument parser to receive user-entered parameters.
parser = argparse.ArgumentParser(description="put bucket lifecycle sample")

# Add the --region command-line argument, which specifies the region where the bucket is located. This argument is required.
parser.add_argument('--region', help='The region in which the bucket is located.', required=True)

# Add the --bucket command-line argument, which specifies the name of the bucket. This argument is required.
parser.add_argument('--bucket', help='The name of the bucket.', required=True)

# Add the --endpoint command-line argument, which specifies the domain name that other services can use to access OSS. This argument is optional.
parser.add_argument('--endpoint', help='The domain names that other services can use to access OSS')

def main():
  # Parse command-line arguments.
  args = parser.parse_args()

  # Load credentials (AccessKey ID and AccessKey secret) from environment variables.
  credentials_provider = oss.credentials.EnvironmentVariableCredentialsProvider()

  # Load the default configurations of the SDK.
  cfg = oss.config.load_default()

  # Set the credentials provider.
  cfg.credentials_provider = credentials_provider

  # Set the region where the bucket is located.
  cfg.region = args.region

  # If a custom endpoint is provided by the user, set it in the configuration.
  if args.endpoint is not None:
    cfg.endpoint = args.endpoint

    # Initialize the OSS client using the configuration object.
  client = oss.Client(cfg)

  result = client.put_bucket_lifecycle(oss.PutBucketLifecycleRequest(
    bucket=args.bucket,
    lifecycle_configuration=oss.LifecycleConfiguration(
      rules=[oss.LifecycleRule(
        # Specify lifecycle rule rule1. In this rule, objects that have the prefix foo/ and the tag k1:v1 are converted to the Infrequent Access (IA) storage class 30 days after they are last modified.
        id='rule1',
        status='Enabled',
        prefix='foo/',
        transitions=[oss.LifecycleRuleTransition(
          days=30,
          storage_class=oss.StorageClassType.IA,
          is_access_time=False, # Set to false, which indicates that the policy is based on the last modified time.
        )],
        tags=[oss.Tag(
          key='k1',
          value='v1',
        )],
      ), oss.LifecycleRule(
        # Specify lifecycle rule rule2. In this rule, for objects that have the prefix dir/, delete markers are automatically deleted if the objects are in a versioning-enabled bucket and have only delete markers. Non-current versions of objects expire and are deleted after 30 days. Non-current versions of objects are converted to the IA storage class after 10 days.
        id='rule2',
        status='Enabled',
        prefix='dir/',
        expiration=oss.LifecycleRuleExpiration(
          expired_object_delete_marker=True
        ),
        noncurrent_version_expiration=oss.NoncurrentVersionExpiration(
          noncurrent_days=30,
        ),
        noncurrent_version_transitions=[oss.NoncurrentVersionTransition(
          noncurrent_days=10,
          storage_class=oss.StorageClassType.IA,
          is_access_time=False,
        )],
      )]
    ),
  ))

  # Print the status code and request ID of the operation.
  print(f'status code: {result.status_code}, '  # The HTTP status code, which indicates whether the request is successful.
        f'request id: {result.request_id}')    # The request ID, which is used to track request logs and for debugging.


if __name__ == "__main__":
  # The program entry point that calls the main function to execute the logic.
  main()

C#

using Aliyun.OSS;
using Aliyun.OSS.Common;
// Specify the endpoint of the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. 
var endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
// Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. 
var accessKeyId = Environment.GetEnvironmentVariable("OSS_ACCESS_KEY_ID");
var accessKeySecret = Environment.GetEnvironmentVariable("OSS_ACCESS_KEY_SECRET");
// Specify the bucket name. Example: examplebucket. 
var bucketName = "examplebucket";
// Specify the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou.
const string region = "cn-hangzhou";

// Create a ClientConfiguration instance and modify the default parameters based on your requirements.
var conf = new ClientConfiguration();

// Use the signature algorithm V4.
conf.SignatureVersion = SignatureVersion.V4;

// Create an OSSClient instance.
var client = new OssClient(endpoint, accessKeyId, accessKeySecret, conf);
client.SetRegion(region);
try
{
    var setBucketLifecycleRequest = new SetBucketLifecycleRequest(bucketName);
    // Create the first lifecycle rule. 
    LifecycleRule lcr1 = new LifecycleRule()
    {
        ID = "delete obsoleted files",
        Prefix = "obsoleted/",
        Status = RuleStatus.Enabled,
        ExpriationDays = 3,
        Tags = new Tag[1]
    };
    // Specify a tag for the rule. 
    var tag1 = new Tag
    {
        Key = "project",
        Value = "projectone"
    };

    lcr1.Tags[0] = tag1;

    // Create the second lifecycle rule. 
    LifecycleRule lcr2 = new LifecycleRule()
    {
        ID = "delete temporary files",
        Prefix = "temporary/",
        Status = RuleStatus.Enabled,
        ExpriationDays = 20,
        Tags = new Tag[1]         
    };
    // Specify a tag for the rule. 
    var tag2 = new Tag
    {
        Key = "user",
        Value = "jsmith"
    };
    lcr2.Tags[0] = tag2;

    // Specify that parts expire 30 days after they are last modified. 
    lcr2.AbortMultipartUpload = new LifecycleRule.LifeCycleExpiration()
    {
        Days = 30
    };

    LifecycleRule lcr3 = new LifecycleRule();
    lcr3.ID = "only NoncurrentVersionTransition";
    lcr3.Prefix = "test1";
    lcr3.Status = RuleStatus.Enabled;
    lcr3.NoncurrentVersionTransitions = new LifecycleRule.LifeCycleNoncurrentVersionTransition[2]
    {
        // Specify that the storage classes of the previous versions of objects are converted to IA 90 days after they are last modified. 
        new LifecycleRule.LifeCycleNoncurrentVersionTransition(){
            StorageClass = StorageClass.IA,
            NoncurrentDays = 90
        },
        // Specify that the storage classes of the previous versions of objects are converted to Archive 180 days after they are last modified. 
        new LifecycleRule.LifeCycleNoncurrentVersionTransition(){
            StorageClass = StorageClass.Archive,
            NoncurrentDays = 180
        }
    };
    setBucketLifecycleRequest.AddLifecycleRule(lcr1);
    setBucketLifecycleRequest.AddLifecycleRule(lcr2);
    setBucketLifecycleRequest.AddLifecycleRule(lcr3);

    // Configure lifecycle rules. 
    client.SetBucketLifecycle(setBucketLifecycleRequest);
    Console.WriteLine("Set bucket:{0} Lifecycle succeeded ", bucketName);
}
catch (OssException ex)
{
    Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
        ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
    Console.WriteLine("Failed with error info: {0}", ex.Message);
}

Android

PutBucketLifecycleRequest request = new PutBucketLifecycleRequest();
request.setBucketName("examplebucket");

BucketLifecycleRule rule1 = new BucketLifecycleRule();
// Set the rule ID and file prefix.
rule1.setIdentifier("1");
rule1.setPrefix("A");
// Specify whether to execute the lifecycle rule. If the value is true, OSS periodically executes the rule. If the value is false, OSS ignores the rule.
rule1.setStatus(true);
// Expire objects 200 days after the last modified time.
rule1.setDays("200");
// Transition objects to the Archive storage class after 30 days.
rule1.setArchiveDays("30");
// Expire incomplete multipart uploads after 3 days.
rule1.setMultipartDays("3");
// Transition objects to the Infrequent Access (IA) storage class after 15 days.
rule1.setIADays("15");

BucketLifecycleRule rule2 = new BucketLifecycleRule();
rule2.setIdentifier("2");
rule2.setPrefix("B");
rule2.setStatus(true);
rule2.setDays("300");
rule2.setArchiveDays("30");
rule2.setMultipartDays("3");
rule2.setIADays("15");

ArrayList<BucketLifecycleRule> lifecycleRules = new ArrayList<BucketLifecycleRule>();
lifecycleRules.add(rule1);
lifecycleRules.add(rule2);
request.setLifecycleRules(lifecycleRules);
OSSAsyncTask task = oss.asyncPutBucketLifecycle(request, new OSSCompletedCallback<PutBucketLifecycleRequest, PutBucketLifecycleResult>() {
    @Override
    public void onSuccess(PutBucketLifecycleRequest request, PutBucketLifecycleResult result) {
        OSSLog.logInfo("code::"+result.getStatusCode());

    }

    @Override
    public void onFailure(PutBucketLifecycleRequest request, ClientException clientException, ServiceException serviceException) {
        OSSLog.logError("error: "+serviceException.getRawMessage());

    }
});

task.waitUntilFinished();

C++

#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;

int main(void)
{
    /* Initialize the OSS account information. */
    
    /* Set yourEndpoint to the Endpoint of the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com. */
    std::string Endpoint = "yourEndpoint";
    /* Set yourRegion to the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the Region to cn-hangzhou. */
    std::string Region = "yourRegion";
    /* Specify the bucket name. For example, examplebucket. */
    std::string BucketName = "examplebucket";

    /* Initialize network resources. */
    InitializeSdk();

    ClientConfiguration conf;
    conf.signatureVersion = SignatureVersionType::V4;
    /* Obtain access credentials from environment variables. Before you run this code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set. */
    auto credentialsProvider = std::make_shared<EnvironmentVariableCredentialsProvider>();
    OssClient client(Endpoint, credentialsProvider, conf);
    client.SetRegion(Region);

    SetBucketLifecycleRequest request(BucketName);
    std::string date("2022-10-12T00:00:00.000Z");

    /* Set tags. */
    Tagging tagging;
    tagging.addTag(Tag("key1", "value1"));
    tagging.addTag(Tag("key2", "value2"));

    /* Specify a lifecycle rule. */
    auto rule1 = LifecycleRule();
    rule1.setID("rule1");
    rule1.setPrefix("test1/");
    rule1.setStatus(RuleStatus::Enabled);
    rule1.setExpiration(3);
    rule1.setTags(tagging.Tags());

    /* Specify the expiration time. */
    auto rule2 = LifecycleRule();
    rule2.setID("rule2");
    rule2.setPrefix("test2/");
    rule2.setStatus(RuleStatus::Disabled);
    rule2.setExpiration(date);

    /* rule3 is a lifecycle rule for a bucket with versioning enabled. */
    auto rule3 = LifecycleRule();
    rule3.setID("rule3");
    rule3.setPrefix("test3/");
    rule3.setStatus(RuleStatus::Disabled);

    /* Transition objects to the Archive storage class 365 days after they are last modified. */  
    auto transition = LifeCycleTransition();  
    transition.Expiration().setDays(365);
    transition.setStorageClass(StorageClass::Archive);
    rule3.addTransition(transition);

    /* Automatically remove expired delete markers. */
    rule3.setExpiredObjectDeleteMarker(true);

    /* Transition noncurrent versions of objects to the Infrequent Access storage class 10 days after they become noncurrent. */
    auto transition1 = LifeCycleTransition();  
    transition1.Expiration().setDays(10);
    transition1.setStorageClass(StorageClass::IA);

    /* Transition noncurrent versions of objects to the Archive storage class 20 days after they become noncurrent. */
    auto transition2 = LifeCycleTransition();  
    transition2.Expiration().setDays(20);
    transition2.setStorageClass(StorageClass::Archive);

    /* Delete objects 30 days after they become noncurrent versions. */
    auto expiration  = LifeCycleExpiration(30);
    rule3.setNoncurrentVersionExpiration(expiration);

    LifeCycleTransitionList noncurrentVersionStorageTransitions{transition1, transition2};
    rule3.setNoncurrentVersionTransitionList(noncurrentVersionStorageTransitions);

    /* Set the lifecycle rules. */
    LifecycleRuleList list{rule1, rule2, rule3};
    request.setLifecycleRules(list);
    auto outcome = client.SetBucketLifecycle(request);

    if (!outcome.isSuccess()) {
        /* Handle exceptions. */
        std::cout << "SetBucketLifecycle fail" <<
        ",code:" << outcome.error().Code() <<
        ",message:" << outcome.error().Message() <<
        ",requestId:" << outcome.error().RequestId() << std::endl;
        return -1;
    }

    /* Release network resources. */
    ShutdownSdk();
    return 0;
}

C

#include "oss_api.h"
#include "aos_http_io.h"
/* Replace yourEndpoint with the Endpoint of the region where your bucket is located. For example, for the China (Hangzhou) region, the Endpoint is https://oss-cn-hangzhou.aliyuncs.com. */
const char *endpoint = "yourEndpoint";
/* Replace with your bucket name. For example, examplebucket. */
const char *bucket_name = "examplebucket";
/* Replace yourRegion with the ID of the region where your bucket is located. For example, for the China (Hangzhou) region, the region ID is cn-hangzhou. */
const char *region = "yourRegion";
void init_options(oss_request_options_t *options)
{
    options->config = oss_config_create(options->pool);
    /* Initialize an aos_string_t variable with a char* string. */
    aos_str_set(&options->config->endpoint, endpoint);
    /* Obtain access credentials from environment variables. Before you run this sample code, make sure the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set. */
    aos_str_set(&options->config->access_key_id, getenv("OSS_ACCESS_KEY_ID"));
    aos_str_set(&options->config->access_key_secret, getenv("OSS_ACCESS_KEY_SECRET"));
    // You must also configure the following two parameters.
    aos_str_set(&options->config->region, region);
    options->config->signature_version = 4;
    /* Specify whether to use a CNAME to access OSS. A value of 0 means that a CNAME is not used. */
    options->config->is_cname = 0;
    /* Set network parameters, such as the timeout period. */
    options->ctl = aos_http_controller_create(options->pool, 0);
}
int main(int argc, char *argv[])
{
    /* Call the aos_http_io_initialize method at the program entry point to initialize global resources, such as the network and memory. */
    if (aos_http_io_initialize(NULL, 0) != AOSE_OK) {
        exit(1);
    }
    /* The memory pool (pool) for memory management is equivalent to apr_pool_t. The implementation is in the apr library. */
    aos_pool_t *pool;
    /* Create a memory pool. The second parameter is NULL, which indicates that the new memory pool does not inherit from another memory pool. */
    aos_pool_create(&pool, NULL);
    /* Create and initialize options. This parameter includes global configurations, such as endpoint, access_key_id, access_key_secret, is_cname, and curl. */
    oss_request_options_t *oss_client_options;
    /* Allocate memory for options in the memory pool. */
    oss_client_options = oss_request_options_create(pool);
    /* Initialize the client options, oss_client_options. */
    init_options(oss_client_options);
    /* Initialize parameters. */
    aos_string_t bucket;
    aos_table_t *resp_headers = NULL; 
    aos_status_t *resp_status = NULL; 
    aos_str_set(&bucket, bucket_name);
    aos_list_t lifecycle_rule_list;   
    aos_str_set(&bucket, bucket_name);
    aos_list_init(&lifecycle_rule_list);
    /* Specify the expiration in days. */
    oss_lifecycle_rule_content_t *rule_content_days = oss_create_lifecycle_rule_content(pool);
    aos_str_set(&rule_content_days->id, "rule-1");
    /* Set the object prefix. */
    aos_str_set(&rule_content_days->prefix, "dir1");
    aos_str_set(&rule_content_days->status, "Enabled");
    rule_content_days->days = 3;
    aos_list_add_tail(&rule_content_days->node, &lifecycle_rule_list);
    /* Specify the expiration date. */
    oss_lifecycle_rule_content_t *rule_content_date = oss_create_lifecycle_rule_content(pool);
    aos_str_set(&rule_content_date->id, "rule-2");
    aos_str_set(&rule_content_date->prefix, "dir2");
    aos_str_set(&rule_content_date->status, "Enabled");
    /* The expiration date must be in UTC format.
    aos_str_set(&rule_content_date->date, "2023-10-11T00:00:00.000Z");
    aos_list_add_tail(&rule_content_date->node, &lifecycle_rule_list);
    /* Set the lifecycle rule. */
    resp_status = oss_put_bucket_lifecycle(oss_client_options, &bucket, &lifecycle_rule_list, &resp_headers);
    if (aos_status_is_ok(resp_status)) {
        printf("put bucket lifecycle succeeded\n");
    } else {
        printf("put bucket lifecycle failed, code:%d, error_code:%s, error_msg:%s, request_id:%s\n",
            resp_status->code, resp_status->error_code, resp_status->error_msg, resp_status->req_id);
    }
    /* Release the memory pool. This releases the memory allocated to resources during the request. */
    aos_pool_destroy(pool);
    /* Release the previously allocated global resources. */
    aos_http_io_deinitialize();
    return 0;
}

Ruby

require 'aliyun/oss'

client = Aliyun::OSS::Client.new(
  # The China (Hangzhou) Endpoint is used as an example. Replace it with the actual Endpoint.
  endpoint: 'https://oss-cn-hangzhou.aliyuncs.com',
  # Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
  access_key_id: ENV['OSS_ACCESS_KEY_ID'],
  access_key_secret: ENV['OSS_ACCESS_KEY_SECRET']
)
# Specify the bucket name.
bucket = client.get_bucket('examplebucket')
# Set the lifecycle rules.
bucket.lifecycle = [
  Aliyun::OSS::LifeCycleRule.new(
    :id => 'rule1', :enable => true, :prefix => 'foo/', :expiry => 3),
  Aliyun::OSS::LifeCycleRule.new(
    :id => 'rule2', :enable => false, :prefix => 'bar/', :expiry => Date.new(2016, 1, 1))
]

Go

package main

import (
	"context"
	"flag"
	"log"

	"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss"
	"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss/credentials"
)

// Define global variables.
var (
	region     string // The region where the bucket is located.
	bucketName string // The name of the bucket.
)

// The init function initializes command-line arguments.
func init() {
	flag.StringVar(&region, "region", "", "The region in which the bucket is located.")
	flag.StringVar(&bucketName, "bucket", "", "The name of the bucket.")
}

func main() {
	// Parse command-line arguments.
	flag.Parse()

	// Check if the bucket name is provided.
	if len(bucketName) == 0 {
		flag.PrintDefaults()
		log.Fatalf("invalid parameters, bucket name required")
	}

	// Check if the region is provided.
	if len(region) == 0 {
		flag.PrintDefaults()
		log.Fatalf("invalid parameters, region required")
	}

	// Load the default configuration, and set the credentials provider and region.
	cfg := oss.LoadDefaultConfig().
		WithCredentialsProvider(credentials.NewEnvironmentVariableCredentialsProvider()).
		WithRegion(region)

	// Create an OSS client.
	client := oss.NewClient(cfg)

	// Create a request to set lifecycle rules for the bucket.
	request := &oss.PutBucketLifecycleRequest{
		Bucket: oss.Ptr(bucketName), // The name of the bucket.
		LifecycleConfiguration: &oss.LifecycleConfiguration{
			Rules: []oss.LifecycleRule{
				{
					// Specify lifecycle rule "rule1".
					// This rule transitions objects with the prefix "foo/" and the tag {k1: v1}
					// to the Infrequent Access (IA) storage class 30 days after they are last modified.
					Status: oss.Ptr("Enabled"),
					ID:     oss.Ptr("rule1"),
					Prefix: oss.Ptr("foo/"),
					Transitions: []oss.LifecycleRuleTransition{
						{
							Days:         oss.Ptr(int32(30)),
							StorageClass: oss.StorageClassIA,
							IsAccessTime: oss.Ptr(false), // Set to false for a rule based on last modified time.
						},
					},
					Tags: []oss.Tag{
						{
							Key:   oss.Ptr("k1"),
							Value: oss.Ptr("v1"),
						},
					},
				},
				{
					// Specify lifecycle rule "rule2". This rule applies to objects with the prefix "dir/".
					// It automatically removes expired object delete markers, deletes non-current versions after 30 days,
					// and transitions non-current versions to the IA storage class 10 days after they become non-current.
					ID:     oss.Ptr("rule2"),
					Prefix: oss.Ptr("dir/"),
					Status: oss.Ptr("Enabled"),
					Expiration: &oss.LifecycleRuleExpiration{
						Days:                      oss.Ptr(int32(10)),
						ExpiredObjectDeleteMarker: oss.Ptr(true),
					},
					NoncurrentVersionExpiration: &oss.NoncurrentVersionExpiration{
						NoncurrentDays: oss.Ptr(int32(30)),
					},
					NoncurrentVersionTransitions: []oss.NoncurrentVersionTransition{{
						NoncurrentDays: oss.Ptr(int32(10)),
						StorageClass:   oss.StorageClassIA,
						IsAccessTime:   oss.Ptr(false), // Set to false for a rule based on last modified time.
					}},
				},
			},
		},
	}

	// Set the lifecycle rules for the bucket.
	result, err := client.PutBucketLifecycle(context.TODO(), request)
	if err != nil {
		log.Fatalf("failed to put bucket lifecycle %v", err)
	}

	// Print the result of setting the lifecycle rules.
	log.Printf("put bucket lifecycle result:%#v\n", result)
}