OpenStack Heat Template - 1i

openstack-heat-template-1i.yaml

heat_template_version: 2017-02-24

parameters:
  key_name:
    type: string
    description: Name of a KeyPair
  flavor_name:
    type: string
    description: Name of a Flavor
  image_name:
    type: string
    description: Name of an Image
  networks:
    type: comma_delimited_list
    description: Network IDs

resources:
  server:
    type: OS::Nova::Server
    properties:
      key_name: { get_param: key_name }
      image: { get_param: image_name }
      flavor: { get_param: flavor_name }
      networks: 
        repeat:
          for_each:
            <%nwork%>: { get_param: networks }
          template:
            network: <%nwork%> 
      security_groups:
        - default
        - ssh

JSON Template Structure

{
  "template": {
    "instance-1": {}
  }
}