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How to use secret_signal_resource_not_found_exception_on_create method in localstack

Best Python code snippet using localstack_python

lambda_rotate_secret.py

Source:lambda_rotate_secret.py

...12    return f"lambda_rotate_secret_rotation_{version_id}"13# Returns the SecretId used when signalling that a ResourceNotFoundException was received when14# requesting the secret value for a pending secret version during create_secret stage.15# The version_id given represents the version_id of the current secret value after rotation.16def secret_signal_resource_not_found_exception_on_create(version_id: str) -> str:17    return f"ResourceNotFoundException_{version_id}"18def handler(event, context):19    """Secrets Manager Rotation Template20    This is a template for creating an AWS Secrets Manager rotation lambda21    Args:22        event (dict): Lambda dictionary of event parameters. These keys must include the following:23            - SecretId: The secret ARN or identifier24            - ClientRequestToken: The ClientRequestToken of the secret version25            - Step: The rotation step (one of createSecret, setSecret, testSecret, or finishSecret)26        context (LambdaContext): The Lambda runtime information27    Raises:28        ResourceNotFoundException: If the secret with the specified arn and stage does not exist29        ValueError: If the secret is not properly configured for rotation30        KeyError: If the event parameters do not contain the expected keys31    """32    # Client setup.33    edge_port = os.environ.get("EDGE_PORT") or 456634    protocol = "https" if os.environ.get("USE_SSL") else "http"35    endpoint_url = f"{protocol}://{os.environ['LOCALSTACK_HOSTNAME']}:{edge_port}"36    region = os.environ["AWS_REGION"]37    service_client = boto3.client(38        "secretsmanager", endpoint_url=endpoint_url, verify=False, region_name=region39    )40    arn = event["SecretId"]41    token = event["ClientRequestToken"]42    step = event["Step"]43    # Make sure the version is staged correctly44    metadata = service_client.describe_secret(SecretId=arn)45    if not metadata["RotationEnabled"]:46        logger.error(f"Secret {arn} is not enabled for rotation")47        raise ValueError(f"Secret {arn} is not enabled for rotation")48    #49    versions = metadata["VersionIdsToStages"]50    if token not in versions:51        logger.error(f"Secret version {token} has no stage for rotation of secret {arn}.")52        raise ValueError(f"Secret version {token} has no stage for rotation of secret {arn}.")53    if "AWSCURRENT" in versions[token]:54        logger.info(f"Secret version {token} already set as AWSCURRENT for secret {arn}.")55        return56    elif "AWSPENDING" not in versions[token]:57        logger.error(f"Secret version {token} not set as AWSPENDING for rotation of secret {arn}.")58        raise ValueError(59            f"Secret version {token} not set as AWSPENDING for rotation of secret {arn}."60        )61    if step == "createSecret":62        create_secret(service_client, arn, token)63    elif step == "setSecret":64        set_secret(service_client, arn, token)65    elif step == "testSecret":66        test_secret(service_client, arn, token)67    elif step == "finishSecret":68        finish_secret(service_client, arn, token)69    else:70        raise ValueError("Invalid step parameter")71def create_secret(service_client, arn, token):72    """Create the secret73    This method first checks for the existence of a secret for the passed in token. If one does not exist, it will generate a74    new secret and put it with the passed in token.75    Args:76        service_client (client): The secrets manager service client77        arn (string): The secret ARN or other identifier78        token (string): The ClientRequestToken associated with the secret version79    Raises:80        ResourceNotFoundException: If the secret with the specified arn and stage does not exist81    """82    # Make sure the current secret exists83    service_client.get_secret_value(SecretId=arn, VersionStage="AWSCURRENT")84    # Now try to get the secret version, if that fails, put a new secret85    try:86        service_client.get_secret_value(SecretId=arn, VersionId=token, VersionStage="AWSPENDING")87        logger.info(f"createSecret: Successfully retrieved secret for {arn}.")88    except service_client.exceptions.ResourceNotFoundException:89        # Signal the correct exception was triggered during create_secret stage.90        sig_exception = secret_signal_resource_not_found_exception_on_create(token)91        service_client.create_secret(Name=sig_exception, SecretString=sig_exception)92        # Generate a random password93        passwd = secret_of_rotation_from_version_id(token)94        # Put the secret95        service_client.put_secret_value(96            SecretId=arn,97            ClientRequestToken=token,98            SecretString=passwd,99            VersionStages=["AWSPENDING"],100        )101        logger.info(102            f"createSecret: Successfully put secret for ARN {arn} and version {token} with passwd {passwd}."103        )104def set_secret(service_client, arn, token):...

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