template

heat_template_version: 2013-05-23

description: Launch groups of VMs with a specific HWX naming convention.

parameters:
  key_name:
    description: Name of an existing PublicKey to enable SSH access to the instances.
    type: string
    default: secloud
  instance_flavor:
    description: VM Flavor
    type: string
    default: m3.medium
  instance_image:
    description: VM Image
    type: string
    default: centos-6.5-expander
  num_workers:
    description: Number of Workers to launch
    type: string
    constraints:
      - allowed_values: [ "1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","20" ]
  admin_password:
    description: Admin password for the new VMs
    type: string

resources:
  server_group:
    type: OS::Heat::ResourceGroup
    properties:
      count: { get_param: num_workers }
      resource_def:
        type: OS::Nova::Server
        properties:
          flavor: { get_param: instance_flavor }
          image: { get_param: instance_image }
          name: { "Fn::Join" : [ "", [ { get_param: "OS::stack_name" }, "HWX%(slave-num)" ]] }
          key_name: { get_param: key_name }
          admin_pass: { get_param: admin_password }
          admin_user: root