Open Stack

Hello,

Is it possible to create a heat template with Autoscaling groups with named instances so they can have a prefix and then suffixed with an incrementing id/number ?

I have looked at the various examples out there and nothing leaps out I have tried it with

hosts:
    depends_on: external_router_interface
    type: OS::Heat::AutoScalingGroup
    properties:
      desired_capacity: {get_param: node_count}
      cooldown: 60
      min_size: 0
      max_size: 100
      resource:
        type: host.yaml
        properties:
          image: {get_param: server_image}
          flavor: {get_param: flavor}
          key_name: {get_param: ssh_key_name}
          external_network: {get_param: external_network}
          fixed_network: {get_resource: fixed_network}
          fixed_subnet: {get_resource: fixed_subnet}

With this being called as host.yaml:-
resources:
  indexed_group:
    type: OS::Heat::ResourceGroup
    properties:
      index_var: suffix
      resource_def:
        type: OS::Nova::Server
        properties:
          name: instanceprefix_suffix
          image: {get_param: image}
          flavor: {get_param: flavor}
          key_name: {get_param: key_name}
          networks:
            - port: {get_resource: port}
          admin_user: cloud-user
          user_data_format: RAW

But this creates with the same instance name.

Thanks
Paul
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