anchor.diff:  availability_zone = product_hash['availability_zone']
   security_groups = product_hash['security_groups']
   key_name = product_hash['key_name']
  -order_id = product_hash['id']
  -uuid = product_hash['uuid']
   instance_name = product_hash['instance_name']
  -host = product_hash['host']
  +host = $evm.root['dialog_referer']
   
   # Configure AWS
   AWS.config(
  -    access_key_id: access_key_id,
  -    secret_access_key: secret_access_key
  +  access_key_id: access_key_id,
  +  secret_access_key: secret_access_key
   )
   
   # Create the new EC2 instance
  
positive.code:   'vpc_id' => instance.vpc_id
  }
  
  send_order_status(host, 'OK', order_id, info)
  
  $evm.log('info', "CreateEC2: Response =  #{response}")
  
negative.code: require 'uri/http'
  require 'json'
  
  def send_order_status(referer, status, order_id, information, message = '')
    path = "/order_items/#{order_id}/provision_update"
    host = URI.parse(referer).host
    url = "http://#{host}#{path}"
    uri = URI.parse(url)
  
  