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#!/usr/bin/env python | |
# | |
# Simplistic RDS logfile downloader because AWS CLI + Botocore is broken. :-( | |
# | |
from __future__ import print_function | |
import argparse | |
import os.path | |
import sys | |
import boto3 | |
from botocore.exceptions import NoRegionError, ClientError | |
parser = argparse.ArgumentParser(description='Simplistic RDS logfile downloader') | |
parser.add_argument('--region', default='us-east-1') | |
parser.add_argument('--rds-instance', required=True, help='The RDS name') | |
parser.add_argument('--rds-log-file', required=True, help='The log file to download') | |
parser.add_argument('--local-log-file', help='The path where to place the log file on the local file system') | |
args = parser.parse_args() | |
region = args.region | |
rds_instance = args.rds_instance | |
log_file = args.rds_log_file | |
if args.local_log_file: | |
local_log_file = args.local_log_file | |
else: | |
local_log_file = os.path.basename(log_file) | |
try: | |
rds = boto3.client('rds', region) | |
except NoRegionError: | |
rds = boto3.client('rds','us-east-1') | |
with open(local_log_file, 'w') as f: | |
print('downloading {rds} log file {file}'.format(rds=rds_instance, file=log_file)) | |
token = '0' | |
try: | |
response = rds.download_db_log_file_portion( | |
DBInstanceIdentifier=rds_instance, | |
LogFileName=log_file, | |
Marker=token) | |
while response['AdditionalDataPending']: | |
f.write(response['LogFileData']) | |
token=response['Marker'] | |
response = rds.download_db_log_file_portion( | |
DBInstanceIdentifier=rds_instance, | |
LogFileName=log_file, | |
Marker=token) | |
f.write(response['LogFileData']) | |
except ClientError as e: | |
print(e) | |
sys.exit(2) |
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