heat_template_version: 2014-10-16  
description: A simple Ubuntu server booted from volume.  

parameters:
  metadata:
    type: json

resources:  
  server:
    type: OS::Nova::Server
    properties:
      block_device_mapping:
        - device_name: vda
          delete_on_termination: true
          volume_id: { get_resource: volume }
      flavor: cvp.medium
      networks:
        - network: cvp.net.1
      metadata: {get_param: metadata}
      user_data_format: RAW
      user_data: |
        #!/bin/sh
        while [ 1 ] ; do echo $((13**99)) 1>/dev/null 2>&1; done

  volume:
    type: OS::Cinder::Volume
    properties:
      image: 'cvp.ubuntu.1604'
      size: 20