Delete AMI and EBS Snapshot. CSV Format (`AMI_ID`, `SnapshotId`)

create_ami_images.sh

# create your ami list. Sorted by CreationDate ASC
aws ec2 describe-images --profile <Your Profile> --owners "AMI Owner Id" | jq -r '.Images[] | {imageId: .ImageId, snapshotId: .BlockDeviceMappings[].Ebs.SnapshotId, creationDate: .CreationDate} | [.imageId, .snapshotId, .creationDate] | @csv' | sort -t, -k3

delete_ami.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import csv
import click
import time
import botocore
from boto3.session import Session

profile = "<your aws profile>"
session = Session(profile_name=profile)
ec2_client = session.client('ec2')

# オーナーIDを指定してAMIの情報取得
def describe_images(owner_id):
    """Get AMI Information"""
    response = ec2_client.describe_images(
        Owners=[
            str(owner_id)
        ]
    )
    return response.get("Images", {})

# AMI登録解除
def unregister_ami(ami_id, is_dryrun=True):
    """Unregister EC2 AMI"""
    response = ec2_client.deregister_image(
        DryRun=bool(is_dryrun),
        ImageId=str(ami_id)
    )
    return response.get('ResponseMetadata', {}).get('HTTPStatusCode', -1) == 200


# Snapshot削除
def delete_snapshot(snapshot_id, is_dryrun=True):
    """Delete snapshot"""
    response = ec2_client.delete_snapshot(
        SnapshotId=str(snapshot_id),
        DryRun=bool(is_dryrun)
    )
    return response.get('ResponseMetadata', {}).get('HTTPStatusCode', -1) == 200

# msのsleep
usleep = lambda x: time.sleep(x/1000.0)

def process_from_csv(file_name, is_dryrun):
    """Execute from CSV file"""
    with open(str(file_name), 'r') as file:
        reader = csv.reader(file)
        for row in reader:
            try:
                unregistered = unregister_ami(row[0], bool(is_dryrun)) # unregister ami
                deleted = delete_snapshot(row[1], bool(is_dryrun)) # delete snapshot
                print("{ami_id}, {unregistered}, {deleted}".format(ami_id=row[0],unregistered=unregistered,deleted=deleted))
                usleep(1000) # sleep in milisec
            except botocore.exceptions.ClientError as e:
                print("{}, False, False, {}".format(row[0], e))
                usleep(1000) # sleep in milisec

@click.command()
@click.argument('file')
@click.option('--dry-run', '-D', type=bool, help='Dry Run', default=True)
def execute_unregister(file, dry_run):
    """Option parser"""
    file_name = str(file)
    process_from_csv(file_name, bool(dry_run))

def main():
    """main function"""
    execute_unregister()

if __name__ == '__main__':
    main()