ec2connect.py

#!/usr/bin/python

# Installation:
# - Install `boto`: pip install -U boto
# - Configure EC2 credentials: see http://boto.cloudhackers.com/en/latest/getting_started.html#configuring-boto-credentials
# - Configure username or SSH args below

# These things are configurable
region       = 'eu-central-1'
ssh_username = 'simonfredsted'
ssh_args     = '-A -D1091'

import boto.ec2, sys, os

if len(sys.argv) != 2:
    print 'Usage: ec2connect.py [hostname]'
    sys.exit()

hostname = sys.argv[1]
instances = {}

for reservation in boto.ec2.connect_to_region(region).get_all_reservations():
    for instance in reservation.instances:
        instances[instance.tags['Name']] = instance.ip_address
        
if instances[hostname] == None:
    print 'Host not found or stopped'
    sys.exit()
    
os.system("ssh "+ ssh_args +" "+ ssh_username + "@" + instances[hostname])