Generate a URL from S3 objects to download (A bucket to storage logs case example)

s3url.py

############################################################################################################
##  This script run with python3 and is able to generate pre-signed URLs from files (objects) on a s3.    ##
##  It is possible with it to generate URLs of several days within the same month and year for several    ##
##  instances without the need to provide access to the bucket for the user                               ##
############################################################################################################

import boto3
from colorama import Fore, Style

APP = ''
AWS_PROFILE = ''
INSTANCES = ['', '']  # Instances that generated logs
DAY = ['11', '25']  # Define days to log
BUCKET_NAME = ''  # Log bucket name
YEARMONTH = '2021-11'.split('-')  # Define this Year and Month for the search

for i in INSTANCES:
    for d in DAY:
        Key = f'{APP}/{i}/{YEARMONTH[0]}/{YEARMONTH[1]}/{APP}-api.log/{APP}-api.log.{YEARMONTH[0]}-{YEARMONTH[1]}-{d}.bz2'
        boto3.setup_default_session(profile_name=AWS_PROFILE)
        url = boto3.client('s3').generate_presigned_url(
            ClientMethod='get_object',
            Params={'Bucket': BUCKET_NAME, 'Key': Key},
            ExpiresIn=3600)
        print(f'{Fore.RED}Generated Logfile Download URL for {i.upper()} is:{Style.RESET_ALL}\n{url}\n\n')