

# 디렉터리 버킷에 대한 수명 주기 구성 생성 및 관리
<a name="directory-bucket-create-lc"></a>

AWS Command Line Interface(AWS CLI), AWS SDK, REST API를 사용하여 디렉터리 버킷에 대한 수명 주기 구성을 만들 수 있습니다.

## AWS CLI 사용
<a name="set-lifecycle-config-cli"></a>

다음 AWS CLI 명령을 사용하여 S3 수명 주기 구성을 관리할 수 있습니다.
+ `put-bucket-lifecycle-configuration`
+ `get-bucket-lifecycle-configuration`
+ `delete-bucket-lifecycle`

AWS CLI 설정에 대한 지침은 **Amazon S3 API 참조의 [AWS CLI를 사용하여 Amazon S3에서 개발](https://docs.aws.amazon.com/AmazonS3/latest/API/setup-aws-cli.html)을 참조하세요.

Amazon S3 수명 주기 구성은 XML 파일입니다. 그러나 AWS CLI를 사용할 때는 XML 형식을 지정할 수 없으며 대신 JSON 형식을 지정해야 합니다. 다음은 XML 수명 주기 구성과 AWS CLI 명령에서 지정할 수 있는 그에 상응하는 JSON 구성의 예시입니다.

다음 AWS CLI 예시에서는 수명 주기 구성 정책을 디렉터리 버킷에 적용합니다. 이 정책은 플래그가 지정된 접두사(myprefix)가 있고 정의된 개체 크기인 모든 개체가 7일 후에 만료되도록 지정합니다. 이 예제를 사용하려면 각 *user input placeholder*를 사용자의 정보로 대체합니다.

수명 주기 구성 정책을 JSON 파일로 저장합니다. 이 예에서는 lifecycle1.json으로 파일 이름을 지정합니다.

**Example**  

```
{
    "Rules": [
        {
        "Expiration": {
            "Days": 7
        },
        "ID": "Lifecycle expiration rule",
        "Filter": {
            "And": {
                "Prefix": "myprefix/",
                "ObjectSizeGreaterThan": 500,
                "ObjectSizeLessThan": 64000
            }
        },
        "Status": "Enabled"
    }
    ]
}
```
`put-bucket-lifecycle-configuration` CLI 명령의 일부로 JSON 파일을 제출합니다. 이 명령을 사용하려면 각 *사용자 입력 자리 표시자*를 사용자의 정보로 대체합니다.  

```
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 
```

**Example**  

```
<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>
```

## AWS SDK 사용
<a name="directory-bucket-upload-sdks"></a>

------
#### [ SDK for Java ]

**Example**  

```
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 ]

**Example**  

```
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 ]

**Example**  

```
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 ]

**Example**  

```
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
)
```

------