为目录存储桶创建和管理生命周期配置 - Amazon Simple Storage Service
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为目录存储桶创建和管理生命周期配置

您可以通过使用 Amazon Command Line Interface(Amazon CLI)、Amazon SDK 和 REST API,为目录存储桶创建生命周期配置。

您可以使用以下 Amazon CLI 命令管理 S3 生命周期配置:

  • put-bucket-lifecycle-configuration

  • get-bucket-lifecycle-configuration

  • delete-bucket-lifecycle

有关设置 Amazon CLI 的说明,请参阅《Amazon S3 API 参考》中的 Developing with Amazon S3 using the Amazon CLI

Amazon S3 生命周期配置是一个 XML 文件。但在使用 Amazon CLI 时,您不能指定 XML 格式。您必须改为指定 JSON 格式。以下是您可在 Amazon CLI 命令中指定的示例 XML 生命周期配置和等效 JSON 配置。

以下 Amazon CLI 示例在目录存储桶上放置生命周期配置策略。此策略指定,所有带有标记前缀(myprefix)且符合规定对象大小的对象,将在 7 天后过期。要使用此示例,请将每个用户输入占位符替换为您自己的信息。

将生命周期配置策略保存到 JSON 文件中。在本示例中,文件命名为 lifecycle1.json。

JSON
{ "Rules": [ { "Expiration": { "Days": 7 }, "ID": "Lifecycle expiration rule", "Filter": { "And": { "Prefix": "myprefix/", "ObjectSizeGreaterThan": 500, "ObjectSizeLessThan": 64000 } }, "Status": "Enabled" } ] }

将 JSON 文件作为put-bucket-lifecycle-configuration CLI 命令的一部分提交。要使用此命令,请将每个用户输入占位符替换为您自己的信息。

aws s3api put-bucket-lifecycle-configuration --region us-west-2 --profile default --bucket amzn-s3-demo-bucket--usw2-az1--x-s3 --lifecycle-configuration file://lc-policy.json --checksum-algorithm crc32c
XML
<LifecycleConfiguration> <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> </LifecycleConfiguration>
SDK for Java
import software.amazon.awssdk.services.s3.model.PutBucketLifecycleConfigurationRequest; import software.amazon.awssdk.services.s3.model.PutBucketLifecycleConfigurationResponse; import software.amazon.awssdk.services.s3.model.ChecksumAlgorithm; import software.amazon.awssdk.services.s3.model.BucketLifecycleConfiguration; import software.amazon.awssdk.services.s3.model.LifecycleRule; import software.amazon.awssdk.services.s3.model.LifecycleRuleFilter; import software.amazon.awssdk.services.s3.model.LifecycleExpiration; import software.amazon.awssdk.services.s3.model.LifecycleRuleAndOperator; import software.amazon.awssdk.services.s3.model.GetBucketLifecycleConfigurationResponse; import software.amazon.awssdk.services.s3.model.GetBucketLifecycleConfigurationRequest; import software.amazon.awssdk.services.s3.model.DeleteBucketLifecycleRequest; import software.amazon.awssdk.services.s3.model.DeleteBucketLifecycleResponse; import software.amazon.awssdk.services.s3.model.AbortIncompleteMultipartUpload; // PUT a Lifecycle policy LifecycleRuleFilter objectExpirationFilter = LifecycleRuleFilter.builder().and(LifecycleRuleAndOperator.builder().prefix("dir1/").objectSizeGreaterThan(3L).objectSizeLessThan(20L).build()).build(); LifecycleRuleFilter mpuExpirationFilter = LifecycleRuleFilter.builder().prefix("dir2/").build(); LifecycleRule objectExpirationRule = LifecycleRule.builder().id("lc").filter(objectExpirationFilter).status("Enabled").expiration(LifecycleExpiration.builder() .days(10) .build()) .build(); LifecycleRule mpuExpirationRule = LifecycleRule.builder().id("lc-mpu").filter(mpuExpirationFilter).status("Enabled").abortIncompleteMultipartUpload(AbortIncompleteMultipartUpload.builder() .daysAfterInitiation(10) .build()) .build(); PutBucketLifecycleConfigurationRequest putLifecycleRequest = PutBucketLifecycleConfigurationRequest.builder() .bucket("amzn-s3-demo-bucket--usw2-az1--x-s3") .checksumAlgorithm(ChecksumAlgorithm.CRC32) .lifecycleConfiguration( BucketLifecycleConfiguration.builder() .rules(objectExpirationRule, mpuExpirationRule) .build() ).build(); PutBucketLifecycleConfigurationResponse resp = client.putBucketLifecycleConfiguration(putLifecycleRequest); // GET the Lifecycle policy GetBucketLifecycleConfigurationResponse getResp = client.getBucketLifecycleConfiguration(GetBucketLifecycleConfigurationRequest.builder().bucket("amzn-s3-demo-bucket--usw2-az1--x-s3").build()); // DELETE the Lifecycle policy DeleteBucketLifecycleResponse delResp = client.deleteBucketLifecycle(DeleteBucketLifecycleRequest.builder().bucket("amzn-s3-demo-bucket--usw2-az1--x-s3").build());
SDK for Go
package main import ( "context" "log" "github.com/aws/aws-sdk-go-v2/aws" "github.com/aws/aws-sdk-go-v2/config" "github.com/aws/aws-sdk-go-v2/service/s3" "github.com/aws/aws-sdk-go-v2/service/s3/types" ) // PUT a Lifecycle policy func putBucketLifecycleConfiguration(client *s3.Client, bucketName string ) error { lifecycleConfig := &s3.PutBucketLifecycleConfigurationInput{ Bucket: aws.String(bucketName), LifecycleConfiguration: &types.BucketLifecycleConfiguration{ Rules: []types.LifecycleRule{ { ID: aws.String("lc"), Filter: &types.LifecycleRuleFilter{ And: &types.LifecycleRuleAndOperator{ Prefix: aws.String("foo/"), ObjectSizeGreaterThan: aws.Int64(1000000), ObjectSizeLessThan: aws.Int64(100000000), }, }, Status: types.ExpirationStatusEnabled, Expiration: &types.LifecycleExpiration{ Days: aws.Int32(int32(1)), }, }, { ID: aws.String("abortmpu"), Filter: &types.LifecycleRuleFilter{ Prefix: aws.String("bar/"), }, Status: types.ExpirationStatusEnabled, AbortIncompleteMultipartUpload: &types.AbortIncompleteMultipartUpload{ DaysAfterInitiation: aws.Int32(int32(5)), }, }, }, }, } _, err := client.PutBucketLifecycleConfiguration(context.Background(), lifecycleConfig) return err } // Get the Lifecycle policy func getBucketLifecycleConfiguration(client *s3.Client, bucketName string) error { getLifecycleConfig := &s3.GetBucketLifecycleConfigurationInput{ Bucket: aws.String(bucketName), } resp, err := client.GetBucketLifecycleConfiguration(context.Background(), getLifecycleConfig) if err != nil { return err } return nil } // Delete the Lifecycle policy func deleteBucketLifecycleConfiguration(client *s3.Client, bucketName string) error { deleteLifecycleConfig := &s3.DeleteBucketLifecycleInput{ Bucket: aws.String(bucketName), } _, err := client.DeleteBucketLifecycle(context.Background(), deleteLifecycleConfig) return err } func main() { cfg, err := config.LoadDefaultConfig(context.Background(), config.WithRegion("us-west-2")) // Specify your region here if err != nil { log.Fatalf("unable to load SDK config, %v", err) } s3Client := s3.NewFromConfig(cfg) bucketName := "amzn-s3-demo-bucket--usw2-az1--x-s3" putBucketLifecycleConfiguration(s3Client, bucketName) getBucketLifecycleConfiguration(s3Client, bucketName) deleteBucketLifecycleConfiguration(s3Client, bucketName) getBucketLifecycleConfiguration(s3Client, bucketName) }
SDK for .NET
using Amazon; using Amazon.S3; using Amazon.S3.Model; using System; using System.Collections.Generic; using System.Threading.Tasks; namespace Amazon.DocSamples.S3 { class LifecycleTest { private const string bucketName = "amzn-s3-demo-bucket--usw2-az1--x-s3"; // Specify your bucket region (an example region is shown). private static readonly RegionEndpoint bucketRegion = RegionEndpoint.USWest2; private static IAmazonS3 client; public static void Main() { client = new AmazonS3Client(bucketRegion); AddUpdateDeleteLifecycleConfigAsync().Wait(); } private static async Task AddUpdateDeleteLifecycleConfigAsync() { try { var lifeCycleConfiguration = new LifecycleConfiguration() { Rules = new List <LifecycleRule> { new LifecycleRule { Id = "delete rule", Filter = new LifecycleFilter() { LifecycleFilterPredicate = new LifecyclePrefixPredicate() { Prefix = "projectdocs/" } }, Status = LifecycleRuleStatus.Enabled, Expiration = new LifecycleRuleExpiration() { Days = 10 } } } }; // Add the configuration to the bucket. await AddExampleLifecycleConfigAsync(client, lifeCycleConfiguration); // Retrieve an existing configuration. lifeCycleConfiguration = await RetrieveLifecycleConfigAsync(client); // Add a new rule. lifeCycleConfiguration.Rules.Add(new LifecycleRule { Id = "mpu abort rule", Filter = new LifecycleFilter() { LifecycleFilterPredicate = new LifecyclePrefixPredicate() { Prefix = "YearlyDocuments/" } }, Expiration = new LifecycleRuleExpiration() { Days = 10 }, AbortIncompleteMultipartUpload = new LifecycleRuleAbortIncompleteMultipartUpload() { DaysAfterInitiation = 10 } }); // Add the configuration to the bucket. await AddExampleLifecycleConfigAsync(client, lifeCycleConfiguration); // Verify that there are now two rules. lifeCycleConfiguration = await RetrieveLifecycleConfigAsync(client); Console.WriteLine("Expected # of rulest=2; found:{0}", lifeCycleConfiguration.Rules.Count); // Delete the configuration. await RemoveLifecycleConfigAsync(client); // Retrieve a nonexistent configuration. lifeCycleConfiguration = await RetrieveLifecycleConfigAsync(client); } catch (AmazonS3Exception e) { Console.WriteLine("Error encountered ***. Message:'{0}' when writing an object", e.Message); } catch (Exception e) { Console.WriteLine("Unknown encountered on server. Message:'{0}' when writing an object", e.Message); } } static async Task AddExampleLifecycleConfigAsync(IAmazonS3 client, LifecycleConfiguration configuration) { PutLifecycleConfigurationRequest request = new PutLifecycleConfigurationRequest { BucketName = bucketName, Configuration = configuration }; var response = await client.PutLifecycleConfigurationAsync(request); } static async Task <LifecycleConfiguration> RetrieveLifecycleConfigAsync(IAmazonS3 client) { GetLifecycleConfigurationRequest request = new GetLifecycleConfigurationRequest { BucketName = bucketName }; var response = await client.GetLifecycleConfigurationAsync(request); var configuration = response.Configuration; return configuration; } static async Task RemoveLifecycleConfigAsync(IAmazonS3 client) { DeleteLifecycleConfigurationRequest request = new DeleteLifecycleConfigurationRequest { BucketName = bucketName }; await client.DeleteLifecycleConfigurationAsync(request); } } }
SDK for Python
import boto3 client = boto3.client("s3", region_name="us-west-2") bucket_name = 'amzn-s3-demo-bucket--usw2-az1--x-s3' client.put_bucket_lifecycle_configuration( Bucket=bucket_name, ChecksumAlgorithm='CRC32', LifecycleConfiguration={ 'Rules': [ { 'ID': 'lc', 'Filter': { 'And': { 'Prefix': 'foo/', 'ObjectSizeGreaterThan': 1000000, 'ObjectSizeLessThan': 100000000, } }, 'Status': 'Enabled', 'Expiration': { 'Days': 1 } }, { 'ID': 'abortmpu', 'Filter': { 'Prefix': 'bar/' }, 'Status': 'Enabled', 'AbortIncompleteMultipartUpload': { 'DaysAfterInitiation': 5 } } ] } ) result = client.get_bucket_lifecycle_configuration( Bucket=bucket_name ) client.delete_bucket_lifecycle( Bucket=bucket_name )