blabala

#!/usr/bin/env python3

import boto3
import sys

def print_ec2(az = None):
    ec2 = boto3.resource('ec2')

    instances = ec2.instances.filter(Filters=[{'Name': 'availability-zone', 'Values': [az]}])

    for instance in instances:
        print("Instance name:", instance.name, ", Instance primary address", instance.network_interface.adress.primary)


if __name__ == '__main__':
    if len(sys.argv) != 2:
        print("You need to specify an availability zone...")
        exit(1)

    az = sys.argv[1]
    print_ec2(az)