scenarios/essential/l3/l3_north_south.hot

heat_template_version: 2013-05-23

description: >
  This Heat template creates a new Neutron network plus a north_router to the
  external network. The template also assigns floating IP addresses to each
  instance so they are routable from the external network.

parameters:
  image:
    type: string
    description: Name of image to use for servers
  flavor:
    type: string
    description: Flavor to use for servers
  external_net:
    type: string
    description: ID or name of external network for which floating IP addresses will be allocated
  server_endpoint:
    type: string
    description: Server endpoint address
  dns_nameservers:
    type: comma_delimited_list
    description: DNS nameservers for the subnets

resources:
  north_private_net:
    type: OS::Neutron::Net
    properties:
      name: {{ unique }}_net_north

  north_private_subnet:
    type: OS::Neutron::Subnet
    properties:
      network_id: { get_resource: north_private_net }
      cidr: 10.1.0.0/16
      dns_nameservers: { get_param: dns_nameservers }

  north_router:
    type: OS::Neutron::Router
    properties:
      external_gateway_info:
        network: { get_param: external_net }

  router_interface:
    type: OS::Neutron::RouterInterface
    properties:
      router_id: { get_resource: north_router }
      subnet_id: { get_resource: north_private_subnet }

  south_private_net:
    type: OS::Neutron::Net
    properties:
      name: {{ unique }}_net_south

  south_private_subnet:
    type: OS::Neutron::Subnet
    properties:
      network_id: { get_resource: south_private_net }
      cidr: 10.2.0.0/16
      dns_nameservers: { get_param: dns_nameservers }

  south_router:
    type: OS::Neutron::Router
    properties:
      external_gateway_info:
        network: { get_param: external_net }

  router_interface_2:
    type: OS::Neutron::RouterInterface
    properties:
      router_id: { get_resource: south_router }
      subnet_id: { get_resource: south_private_subnet }

  server_security_group:
    type: OS::Neutron::SecurityGroup
    properties:
      rules: [
        {remote_ip_prefix: 0.0.0.0/0,
        protocol: tcp,
        port_range_min: 1,
        port_range_max: 65535},
        {remote_ip_prefix: 0.0.0.0/0,
        protocol: udp,
        port_range_min: 1,
        port_range_max: 65535},
        {remote_ip_prefix: 0.0.0.0/0,
        protocol: icmp}]

{% for agent in agents.values() %}

  {{ agent.id }}:
    type: OS::Nova::Server
    properties:
      name: {{ agent.id }}
      image: { get_param: image }
      flavor: { get_param: flavor }
      availability_zone: "{{ agent.availability_zone }}"
      networks:
        - port: { get_resource: {{ agent.id }}_port }
      user_data_format: RAW
      user_data:
        str_replace:
          template: |
            #!/bin/sh
            screen -dmS shaker-agent-screen shaker-agent --server-endpoint=$SERVER_ENDPOINT --agent-id=$AGENT_ID
          params:
            "$SERVER_ENDPOINT": { get_param: server_endpoint }
            "$AGENT_ID": {{ agent.id }}

{% if agent.mode == 'master' %}
  {{ agent.id }}_port:
    type: OS::Neutron::Port
    properties:
      network_id: { get_resource: north_private_net }
      fixed_ips:
        - subnet_id: { get_resource: north_private_subnet }
      security_groups: [{ get_resource: server_security_group }]
{% else %}
  {{ agent.id }}_port:
    type: OS::Neutron::Port
    properties:
      network_id: { get_resource: south_private_net }
      fixed_ips:
        - subnet_id: { get_resource: south_private_subnet }
      security_groups: [{ get_resource: server_security_group }]

  {{ agent.id }}_floating_ip:
    type: OS::Neutron::FloatingIP
    depends_on: router_interface_2
    properties:
      floating_network: { get_param: external_net }
      port_id: { get_resource: {{ agent.id }}_port }
{% endif %}

{% endfor %}

outputs:
{% for agent in agents.values() %}
  {{ agent.id }}_instance_name:
    value: { get_attr: [ {{ agent.id }}, instance_name ] }
{% if agent.mode == 'master' %}
  {{ agent.id }}_ip:
    value: { get_attr: [ {{ agent.id }}, networks, { get_attr: [north_private_net, name] }, 0 ] }
{% else %}
  {{ agent.id }}_ip:
    value: { get_attr: [ {{ agent.id }}_floating_ip, floating_ip_address ] }
{% endif %}
{% endfor %}