lambda_function.py
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#!/usr/bin/env python3 | |
# Purpose: Lambda function that moves S3 objects flagged by Macie | |
# Author: Gary A. Stafford (March 2021) | |
import json | |
import logging | |
import boto3 | |
from botocore.exceptions import ClientError | |
logger = logging.getLogger() | |
logger.setLevel(logging.INFO) | |
s3_client = boto3.client('s3') | |
def lambda_handler(event, context): | |
logging.info(f'event: {json.dumps(event)}') | |
destination_bucket_name = 'macie-isolation-111222333444-us-east-1' | |
source_bucket_name = event['detail']['resourcesAffected']['s3Bucket']['name'] | |
file_key_name = event['detail']['resourcesAffected']['s3Object']['key'] | |
copy_source_object = {'Bucket': source_bucket_name, 'Key': file_key_name} | |
logging.debug(f'destination_bucket_name: {destination_bucket_name}') | |
logging.debug(f'source_bucket_name: {source_bucket_name}') | |
logging.debug(f'file_key_name: {file_key_name}') | |
try: | |
response = s3_client.copy_object( | |
CopySource=copy_source_object, | |
Bucket=destination_bucket_name, | |
Key=file_key_name | |
) | |
logger.info(response) | |
except ClientError as ex: | |
logger.error(ex) | |
exit(1) | |
try: | |
response = s3_client.delete_object( | |
Bucket=source_bucket_name, | |
Key=file_key_name | |
) | |
logger.info(response) | |
except ClientError as ex: | |
logger.error(ex) | |
exit(1) | |
return { | |
'statusCode': 200, | |
'body': json.dumps(copy_source_object) | |
} |
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