private_network_with_router.yaml

heat_template_version: 2021-04-16

description: >
  This template creates an advanced networking environment, consisting of a
  private network and router, ready for servers to join. The new private
  network ID is given in the output.

parameters:
  availability_zone:
    type: string
    description: The Nectar availability zone to launch in

  public_network:
    type: string
    description: The Name or ID of the external network to attach the floating IP to
    constraints:
      - custom_constraint: neutron.network


resources:
  my_network:
    type: OS::Neutron::Net
    properties:
      name:
         list_join: [ '-', [ { get_param: "OS::stack_name" }, 'network']]

  my_subnet:
    type: OS::Neutron::Subnet
    properties:
      name:
         list_join: [ '-', [ { get_param: "OS::stack_name" }, 'subnet']]
      dns_nameservers:
        - 1.1.1.1
        - 1.0.0.1
      network: { get_resource: my_network }
      ip_version: 4
      cidr: 192.168.45.0/24
      allocation_pools:
        - { start: 192.168.45.2, end: 192.168.45.254 }

  my_router:
    type: OS::Neutron::Router
    properties:
      external_gateway_info: {"network": { get_param: public_network }}
      name:
        list_join: [ '-', [ { get_param: "OS::stack_name" }, 'router']]

  my_router_gateway:
    type: OS::Neutron::RouterGateway
    properties:
      router_id: { get_resource: my_router }
      network_id: { get_param: public_network }

  my_router_interface:
    type: OS::Neutron::RouterInterface
    properties:
      router: { get_resource: my_router }
      subnet: { get_resource: my_subnet }


outputs:
  network_id:
    description: Private network ID
    value: { get_resource: my_network }