Aggiunta della configurazione di un ciclo di vita a un bucket Amazon S3 utilizzando un SDK AWS - Amazon Simple Storage Service

Aggiunta della configurazione di un ciclo di vita a un bucket Amazon S3 utilizzando un SDK AWS

Gli esempi di codice seguenti mostrano come aggiungere la configurazione di un ciclo di vita a un bucket S3.

Java
SDK per Java 2.x
Nota

Ulteriori informazioni su GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

public static void setLifecycleConfig(S3Client s3, String bucketName, String accountId) { try { // Create a rule to archive objects with the "glacierobjects/" prefix to Amazon S3 Glacier. LifecycleRuleFilter ruleFilter = LifecycleRuleFilter.builder() .prefix("glacierobjects/") .build(); Transition transition = Transition.builder() .storageClass(TransitionStorageClass.GLACIER) .days(0) .build(); LifecycleRule rule1 = LifecycleRule.builder() .id("Archive immediately rule") .filter(ruleFilter) .transitions(transition) .status(ExpirationStatus.ENABLED) .build(); // Create a second rule. Transition transition2 = Transition.builder() .storageClass(TransitionStorageClass.GLACIER) .days(0) .build(); List<Transition> transitionList = new ArrayList<>(); transitionList.add(transition2); LifecycleRuleFilter ruleFilter2 = LifecycleRuleFilter.builder() .prefix("glacierobjects/") .build(); LifecycleRule rule2 = LifecycleRule.builder() .id("Archive and then delete rule") .filter(ruleFilter2) .transitions(transitionList) .status(ExpirationStatus.ENABLED) .build(); // Add the LifecycleRule objects to an ArrayList. ArrayList<LifecycleRule> ruleList = new ArrayList<>(); ruleList.add(rule1); ruleList.add(rule2); BucketLifecycleConfiguration lifecycleConfiguration = BucketLifecycleConfiguration.builder() .rules(ruleList) .build(); PutBucketLifecycleConfigurationRequest putBucketLifecycleConfigurationRequest = PutBucketLifecycleConfigurationRequest.builder() .bucket(bucketName) .lifecycleConfiguration(lifecycleConfiguration) .expectedBucketOwner(accountId) .build(); s3.putBucketLifecycleConfiguration(putBucketLifecycleConfigurationRequest); } catch (S3Exception e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } // Retrieve the configuration and add a new rule. public static void getLifecycleConfig(S3Client s3, String bucketName, String accountId){ try { GetBucketLifecycleConfigurationRequest getBucketLifecycleConfigurationRequest = GetBucketLifecycleConfigurationRequest.builder() .bucket(bucketName) .expectedBucketOwner(accountId) .build(); GetBucketLifecycleConfigurationResponse response = s3.getBucketLifecycleConfiguration(getBucketLifecycleConfigurationRequest); List<LifecycleRule> newList = new ArrayList<>(); List<LifecycleRule> rules = response.rules(); for (LifecycleRule rule: rules) { newList.add(rule); } // Add a new rule with both a prefix predicate and a tag predicate. LifecycleRuleFilter ruleFilter = LifecycleRuleFilter.builder() .prefix("YearlyDocuments/") .build(); Transition transition = Transition.builder() .storageClass(TransitionStorageClass.GLACIER) .days(3650) .build(); LifecycleRule rule1 = LifecycleRule.builder() .id("NewRule") .filter(ruleFilter) .transitions(transition) .status(ExpirationStatus.ENABLED) .build(); // Add the new rule to the list. newList.add(rule1); BucketLifecycleConfiguration lifecycleConfiguration = BucketLifecycleConfiguration.builder() .rules(newList) .build(); PutBucketLifecycleConfigurationRequest putBucketLifecycleConfigurationRequest = PutBucketLifecycleConfigurationRequest.builder() .bucket(bucketName) .lifecycleConfiguration(lifecycleConfiguration) .expectedBucketOwner(accountId) .build(); s3.putBucketLifecycleConfiguration(putBucketLifecycleConfigurationRequest); } catch (S3Exception e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } // Delete the configuration from the Amazon S3 bucket. public static void deleteLifecycleConfig(S3Client s3, String bucketName, String accountId) { try { DeleteBucketLifecycleRequest deleteBucketLifecycleRequest = DeleteBucketLifecycleRequest.builder() .bucket(bucketName) .expectedBucketOwner(accountId) .build(); s3.deleteBucketLifecycle(deleteBucketLifecycleRequest); } catch (S3Exception e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } }
Python
SDK per Python (Boto3)
Nota

Ulteriori informazioni su GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

class BucketWrapper: """Encapsulates S3 bucket actions.""" def __init__(self, bucket): """ :param bucket: A Boto3 Bucket resource. This is a high-level resource in Boto3 that wraps bucket actions in a class-like structure. """ self.bucket = bucket self.name = bucket.name def put_lifecycle_configuration(self, lifecycle_rules): """ Apply a lifecycle configuration to the bucket. The lifecycle configuration can be used to archive or delete the objects in the bucket according to specified parameters, such as a number of days. :param lifecycle_rules: The lifecycle rules to apply. """ try: self.bucket.LifecycleConfiguration().put( LifecycleConfiguration={'Rules': lifecycle_rules}) logger.info( "Put lifecycle rules %s for bucket '%s'.", lifecycle_rules, self.bucket.name) except ClientError: logger.exception( "Couldn't put lifecycle rules for bucket '%s'.", self.bucket.name) raise
  • Per informazioni dettagliate sulle API, consulta PutBucketLifecycleConfiguration nella Documentazione di riferimento delle API SDK AWS per Python (Boto3).

Per un elenco completo delle guide per gli sviluppatori di SDK AWS ed esempi di codice, consulta la sezione Utilizzo del servizio con un SDK AWS. Questo argomento include anche informazioni su come iniziare e dettagli sulle versioni precedenti dell'SDK.