#!/usr/bin/env python3
import os
import boto3

regions = ["eu-central-1", "us-west-2", "ap-southeast-2", "ca-central-1", "us-east-1", "us-west-1"]
#regions = ["us-west-2"]

for r in regions:
    session = boto3.Session(region_name=r)
    ec2 = session.client('ec2')

    amis = set()
    try:
        for reservations in ec2.describe_instances(Filters=[])["Reservations"]:
            for instance in reservations["Instances"]:
                amis.add(instance["ImageId"])
    except KeyError:
        pass

    if amis:
        print(f'Region: {r}')
        images = ec2.describe_images(Filters=[{"Name":"image-id", "Values":list(amis)}])["Images"]
        for image in images:
            print(f'imageId: {image["ImageId"]} Name: {image["Name"]}')