#!/usr/bin/env python
def kill_instance(instance_id):
    """Kill an instance given it's instance ID"""
    import boto
    ec2 = boto.connect_ec2()
    print "Stopping instance: %s" % instance_id
    ec2.terminate_instances([instance_id])


if __name__ == "__main__":
    import sys
    kill_instance(sys.argv[1])