AWS boto delete AMI after specific Days.

deleteAMIAfterSpecificDate.py

import boto
import boto.ec2
import sys
import time
import os
import datetime
from datetime import date

#Filter used to filter my instances
vEnvironment = "Prod"
vType = "DB"
vLogging = "Log"

#To Test the job, without making any changes. True: Willn't make any changes
#Command line paramamter.
vdryRun = sys.argv[1]

#Retention time for keeping the image. I've kept it for 7 days
vRetentionTime = 7


conn = boto.connect_ec2(os.environ['AWSAccessKeyId'],os.environ['AWSSecretKey'])

images = conn.get_all_images(filters={"tag:Environment":vEnvironment,"tag:Type": vType, "tag:Purpose": vLogging})
for image in images:
    creation_date = image.creationDate.split('T')[0].split('-')
    split_time = (date.today() - date(int(creation_date[0]), int(creation_date[1]), int(creation_date[2]))).days
    if split_time > vRetentionTime :
        print image.id+ " : is going to be deregistered"
        print "Split_time is : "+str(split_time)
        if vdryRun == "false": 
            image.deregister()
        
sys.stdout.flush()

Great! Thank you.