Comment 8 for bug 1358624

I can confirm that the patch submitted is working for me. A glance image is cloned into a cinder volume, which is then used to boot an instance (no need to use "device_name: vda").

 I'm using this heat template:

heat_template_version: 2013-05-23

description: Simple template to deploy a single compute instance

resources:
  my_instance:
    type: OS::Nova::Server
    properties:
      key_name: c
      flavor: m1.tiny
      networks:
        - network: cdw_network
      block_device_mapping_v2:
        - volume_id: { get_resource: server_volume_01 }
          delete_on_termination: true

  server_volume_01:
    type: OS::Cinder::Volume
    properties:
      image: Ubuntu 14.10
      volume_type: tier1
      size: 3