[Bug 1500475] Re: adding index_var to AutoScalingGroup

[Thiago Martins]

Is it available on Newton? If yes, any chances to backport it to Mitaka?

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Title:
  adding index_var to AutoScalingGroup

Status in heat package in Ubuntu:
  Fix Released

Bug description:
  This is a follow up to question
  https://answers.launchpad.net/ubuntu/+source/heat/+question/271809 ,
  asking for the plan on adding index_var to AutoScalingGroup.

  I already saw related change commit:
  https://review.openstack.org/gitweb?p=openstack%2Fheat.git;a=commitdiff;h=84e0d64d578ad302ccca2db2ec45ff336a6a0dc7
  Two questions from this: 
  Which OpenStack release will include the above change?
  Can above change to back-ported to OpenStack Kilo installations without other changes?

  The above change is not visible in an OpenStack Kilo insallation.

  What we need is to have the following templates to work this way: the
  instances spawn by the autoscaling group will have names like server0,
  server1, etc. where "server" is a server name stem specified on the
  name property and %index% is mimicking the default index_var of
  OS::Heat::ResourceGroup which is expected to be provided by the
  OS::Heat::AutoScalingGroup.

  Below are sample templates adopted from http://www.gossamer-
  threads.com/lists/openstack/dev/48054#48054 -- corrections welcome
  because we obviously have not tested them:

  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: 
   server:
    type: OS::Nova::Server 
    properties: 
    name: server%index%
    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

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