Gist

gistfile1.py

from fabric.api import *

import boto
from boto import regioninfo
from boto import ec2
from boto.ec2.elb import ELBConnection
import app

# Some default environment settings
env.user = 'ec2-user'
env.aws_region = 'eu-west-1'

# Get the correct ELB region to use from the endpoint
elb_region = boto.regioninfo.RegionInfo(
    name='eu-west-1',
    endpoint='elasticloadbalancing.eu-west-1.amazonaws.com')

# Make a connection to that ELB
elb = boto.connect_elb(region=elb_region)

# Instantiate an empty list for instances
instanceList = []

@task
def elb_list(load_balancer_name='public-elb', project='', environment='stge'):
  loadBalancer = elb.get_all_load_balancers([load_balancer_name + '-' + project + '-' + environment])[0]
  if loadBalancer:
    instanceList.extend(loadBalancer.instances)

  for instance in instanceList:
    print instance.id