Quick script to scrape OpenSSL versions

recon.py

#!/usr/bin/env python

import os
import subprocess
import json

from boto.ec2 import connect_to_region

REGIONS = ['us-east-1', 'us-west-1', 'us-west-2']

servers = []

for region in REGIONS:
    conn = connect_to_region(region, aws_access_key_id=os.environ['WS_ACCESS_KEY_ID'], aws_secret_access_key=os.environ['AWS_SECRET_ACCESS_KEY'])
    for reservation in conn.get_all_instances():
        for instance in reservation.instances:
            if instance.state != 'running':
                continue
            data = dict((k,v) for k,v in instance.__dict__.iteritems() if isinstance(k, basestring) and isinstance(v, basestring))
            servers.append(data)

try:
    for s in servers:
        if s.get('vpc_id'):
            s['real_ip_address'] = s['private_ip_address']
        else:
            s['real_ip_address'] = s['ip_address']
        print 'Trying to contact {}'.format(s['real_ip_address'])
        try:
            cmd = "ssh -o ConnectTimeout=5 -o StrictHostkeyChecking=no -o UserKnownHostsFile=/dev/null {} openssl version".format(s['real_ip_address']).split()
            s['openssl_raw_version'] = subprocess.check_output(cmd)
            print s['openssl_raw_version']
        except subprocess.CalledProcessError as e:
            print 'Unable to contact {}'.format(s['real_ip_address'])
            s['openssl_raw_version'] = None
            s['openssl_error'] = str(e)
finally:
    json.dump(servers, open('recon.json', 'wb'))

Typo on Line 14, WS == AWS?