heat_template_version: rocky
description: "A Group of Load Balanced Servers Using Octavia"
parameters:
  subnet:
    constraints:
      -
        custom_constraint: "neutron.subnet"
    type: "string"
    description: "heat_lb_subnet_desc"
    label: "heat_subnet"
  server2_name:
    constraints:
      -
        allowed_pattern: "^[_0-9a-zA-Z\\u4e00-\\u9fa5]+$"
        description: "heat_constraints_name"
      -
        length:
          max: 40
          min: 1
    type: "string"
    description: "heat_server2_name_desc"
    label: "heat_server2_name"
  image:
    constraints:
      -
        custom_constraint: "glance.image"
    type: "string"
    description: "heat_image_desc"
    label: "heat_image"
  server1_name:
    constraints:
      -
        allowed_pattern: "^[_0-9a-zA-Z\\u4e00-\\u9fa5]+$"
        description: "heat_constraints_name"
      -
        length:
          max: 40
          min: 1
    type: "string"
    description: "heat_server1_name_desc"
    label: "heat_server1_name"
  app_port:
    default: 8080
    type: "number"
    description: "heat_port_desc"
    label: "heat_port "
  lb_port:
    default: 80
    type: "number"
    description: "heat_lb_port_desc"
    label: "heat_lb_port"
  private_network:
    constraints:
      -
        custom_constraint: "neutron.network"
    type: "string"
    description: "heat_lb_net_desc"
    label: "heat_net"
  flavor:
    constraints:
      -
        custom_constraint: "nova.flavor"
    type: "string"
    description: "heat_flavor_desc"
    label: "heat_flavor"
resources:
  monitor:
    type: "OS::Octavia::HealthMonitor"
    properties:
      delay: 3
      max_retries: 9
      timeout: 3
      max_retries_down: 3
      type: "PING"
      pool:
        get_resource: "pool"
  server1:
    type: "OS::Nova::Server"
    properties:
      image:
        get_param: "image"
      name:
        get_param: "server1_name"
      flavor:
        get_param: "flavor"
      networks:
        -
          network:
            get_param: "private_network"
  server2:
    type: "OS::Nova::Server"
    properties:
      image:
        get_param: "image"
      name:
        get_param: "server2_name"
      flavor:
        get_param: "flavor"
      networks:
        -
          network:
            get_param: "private_network"
  listener:
    type: "OS::Octavia::Listener"
    properties:
      protocol_port:
        get_param: "lb_port"
      protocol: "HTTP"
      loadbalancer:
        get_resource: "loadbalancer"
  loadbalancer:
    type: "OS::Octavia::LoadBalancer"
    properties:
      vip_subnet:
        get_param: "subnet"
  pool_member1:
    type: "OS::Octavia::PoolMember"
    properties:
      subnet:
        get_param: "subnet"
      protocol_port:
        get_param: "app_port"
      pool:
        get_resource: "pool"
      address:
        get_attr:
          - "server1"
          - "first_address"
  pool:
    type: "OS::Octavia::Pool"
    properties:
      lb_algorithm: "ROUND_ROBIN"
      listener:
        get_resource: "listener"
      protocol: "HTTP"
  pool_member2:
    type: "OS::Octavia::PoolMember"
    properties:
      subnet:
        get_param: "subnet"
      protocol_port:
        get_param: "app_port"
      pool:
        get_resource: "pool"
      address:
        get_attr:
          - "server2"
          - "first_address"
outputs:
  lburl:
    description: "This URL is the \"external\" URL that can be used to access the load balancer.\n"
    value:
      str_replace:
        params:
          PORT:
            get_param: "lb_port"
        template: "http://IP_ADDRESS:PORT"