provisionCluster.yaml

--- 
description: " A simple template to boot a 3 node cluster"
heat_template_version: 2013-05-23
parameters:
 image_id:
  type: string
  label: Image ID
  description: Image to be used for compute instance
  default: a5e74703-f343-415a-aa23-bd0f0aacfc9e
 key_name:
  type: string
  label: Key Name
  description: Name of key-pair to be used for compute instance
  default: shahaan
 availability_z:
  type: string
  label: Availability Zone
  description: Availability Zone to be used for launching compute instance
  default: monash-01
resources:
  computeNodes:
   type: "OS::Heat::ResourceGroup"
   properties:
    count: 2
    resource_def:
     type: "OS::Nova::Server"
     properties:
      availability_zone: { get_param: availability_z }
      flavor: m1.small
      image: { get_param: image_id }
      key_name: { get_param: key_name }
      metadata:
       ansible_host_group: computeNodes
       ansible_ssh_user: ec2-user
       ansible_ssh_private_key_file: /home/sgeadmin/.ssh/shahaan.pem
  headNodes:
    type: "OS::Heat::ResourceGroup"
    properties:
      count: 1
      resource_def: 
       type: headNode.yaml