lb.yaml

heat_template_version: 2013-05-23

description: >
  HOT template to deploy two servers and a load balancer

parameters:
  key_name:
    type: string
    description: Name of keypair to assign to servers
  image:
    type: string
    description: Name of image to use for servers
  flavor:
    type: string
    description: Flavor to use for servers
  net_id:
    type: string
    description: ID of Neutron network into which servers get deployed
  subnet_id:
    type: string
    description: ID of Neutron sub network into which servers get deployed

resources:
  server1:
    type: OS::Nova::Server
    properties:
      name: Server1
      image: { get_param: image }
      flavor: { get_param: flavor }
      key_name: { get_param: key_name }
      networks:
      - port: { get_resource: server1_port }

  server1_port:
    type: OS::Neutron::Port
    properties:
      network_id: { get_param: net_id }
      fixed_ips:
      - subnet_id: { get_param: subnet_id }

  server2:
    type: OS::Nova::Server
    properties:
      name: Server2
      image: { get_param: image }
      flavor: { get_param: flavor }
      key_name: { get_param: key_name }
      networks:
      - port: { get_resource: server2_port }

  server2_port:
    type: OS::Neutron::Port
    properties:
      network_id: { get_param: net_id }
      fixed_ips:
      - subnet_id: { get_param: subnet_id }

  monitor:
    type: OS::Neutron::HealthMonitor
    properties:
      type: HTTP
      delay: 3
      max_retries: 5
      timeout: 10

  pool:
    type: OS::Neutron::Pool
    properties:
      name: mypool
      protocol: HTTP
      subnet_id: { get_param: subnet_id }
      lb_method: ROUND_ROBIN
      monitors: [ { get_resource: monitor } ]
      vip: {"address": 10.0.0.250, "protocol_port": 80}

  mylb:
    type: OS::Neutron::LoadBalancer
    dependson: server1
    properties:
      members: [ { get_resource: server1 }, { get_resource: server2 } ]
      pool_id: { get_resource: pool }
      protocol_port: 80

outputs:
  server1_provider_ip:
    description: IP address of server1 in provider network
    value: { get_attr: [ server1, first_address ] }
  server2_provider_ip:
    description: IP address of server2 in provider network
    value: { get_attr: [ server2, first_address ] }