   whitelist_respond robot, /start instance [io]n ([a-z]+) ([a-z]+) with (.+)/i, start_instance_response()
 
   whitelist_respond robot, /sum(marize)? instances/i, (robot, msg) ->
-    list_instances robot, host, '', '', default_role, token, send_instances_summary_cb(msg)
+    list_instances robot, host, '', '', default_role, token, send_instances_summary_cb(robot, msg)
 
   whitelist_respond robot, /terminate instance (i-[a-z0-9]{8})/i, (robot, msg) ->
     instance_id = msg.match[1]

get_site_default = (key, site, env) ->
  ((defaults[site] || {})[env] || {})[key]

send_instances_summary_cb = (msg) ->
  return (err, instances) ->
    if err
      msg.send err

        color: '#77cc77'
        fields: fields

    robot.logger.info "Sending slack attachment of instance summary"
    robot.emit 'slack-attachment', payload

get_instance_total_in_site_env = (site, env, instances) ->
  total = 0
