Les traductions sont fournies par des outils de traduction automatique. En cas de conflit entre le contenu d'une traduction et celui de la version originale en anglais, la version anglaise prévaudra.
Étape 8 (optionnelle) : Nettoyer les ressources
Important
Avis de fin de support : les clients existants pourront utiliser Amazon QLDB jusqu'à la fin du support le 31 juillet 2025. Pour plus de détails, consultez Migrer un Amazon QLDB Ledger vers Amazon Aurora SQL Postgre
Vous pouvez continuer à utiliser le vehicle-registration
registre. Toutefois, si vous n'en avez plus besoin, vous devez le supprimer.
Pour supprimer le registre
-
Utilisez le programme suivant (
delete_ledger.py
) pour supprimer votrevehicle-registration
registre et tout son contenu.# Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. # SPDX-License-Identifier: MIT-0 # # Permission is hereby granted, free of charge, to any person obtaining a copy of this # software and associated documentation files (the "Software"), to deal in the Software # without restriction, including without limitation the rights to use, copy, modify, # merge, publish, distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, # INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A # PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # This code expects that you have AWS credentials setup per: # https://boto3.amazonaws.com/v1/documentation/api/latest/guide/quickstart.html from logging import basicConfig, getLogger, INFO from time import sleep from boto3 import client from pyqldbsamples.constants import Constants from pyqldbsamples.describe_ledger import describe_ledger logger = getLogger(__name__) basicConfig(level=INFO) qldb_client = client('qldb') LEDGER_DELETION_POLL_PERIOD_SEC = 20 def delete_ledger(ledger_name): """ Send a request to QLDB to delete the specified ledger. :type ledger_name: str :param ledger_name: Name for the ledger to be deleted. :rtype: dict :return: Result from the request. """ logger.info('Attempting to delete the ledger with name: {}...'.format(ledger_name)) result = qldb_client.delete_ledger(Name=ledger_name) logger.info('Success.') return result def wait_for_deleted(ledger_name): """ Wait for the ledger to be deleted. :type ledger_name: str :param ledger_name: The ledger to check on. """ logger.info('Waiting for the ledger to be deleted...') while True: try: describe_ledger(ledger_name) logger.info('The ledger is still being deleted. Please wait...') sleep(LEDGER_DELETION_POLL_PERIOD_SEC) except qldb_client.exceptions.ResourceNotFoundException: logger.info('Success. The ledger is deleted.') break def set_deletion_protection(ledger_name, deletion_protection): """ Update an existing ledger's deletion protection. :type ledger_name: str :param ledger_name: Name of the ledger to update. :type deletion_protection: bool :param deletion_protection: Enable or disable the deletion protection. :rtype: dict :return: Result from the request. """ logger.info("Let's set deletion protection to {} for the ledger with name {}.".format(deletion_protection, ledger_name)) result = qldb_client.update_ledger(Name=ledger_name, DeletionProtection=deletion_protection) logger.info('Success. Ledger updated: {}'.format(result)) def main(ledger_name=Constants.LEDGER_NAME): """ Delete a ledger. """ try: set_deletion_protection(ledger_name, False) delete_ledger(ledger_name) wait_for_deleted(ledger_name) except Exception as e: logger.exception('Unable to delete the ledger.') raise e if __name__ == '__main__': main()
Note
Si la protection contre la suppression est activée pour votre registre, vous devez d'abord la désactiver avant de pouvoir le supprimer à l'aide du. QLDB API
Le
delete_ledger.py
fichier dépend également du programme suivant (describe_ledger.py
).# Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. # SPDX-License-Identifier: MIT-0 # # Permission is hereby granted, free of charge, to any person obtaining a copy of this # software and associated documentation files (the "Software"), to deal in the Software # without restriction, including without limitation the rights to use, copy, modify, # merge, publish, distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, # INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A # PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # This code expects that you have AWS credentials setup per: # https://boto3.amazonaws.com/v1/documentation/api/latest/guide/quickstart.html from logging import basicConfig, getLogger, INFO from boto3 import client from pyqldbsamples.constants import Constants logger = getLogger(__name__) basicConfig(level=INFO) qldb_client = client('qldb') def describe_ledger(ledger_name): """ Describe a ledger. :type ledger_name: str :param ledger_name: Name of the ledger to describe. """ logger.info('describe ledger with name: {}.'.format(ledger_name)) result = qldb_client.describe_ledger(Name=ledger_name) result.pop('ResponseMetadata') logger.info('Success. Ledger description: {}.'.format(result)) return result def main(ledger_name=Constants.LEDGER_NAME): """ Describe a QLDB ledger. """ try: describe_ledger(ledger_name) except Exception as e: logger.exception('Unable to describe a ledger.') raise e if __name__ == '__main__': main()
-
Pour exécuter le programme, saisissez la commande suivante.
python delete_ledger.py