tosca_definitions_version: tosca_simple_yaml_1_0

description: >
    Template showing an example TOSCA type to demonstrate usage
    of output in the substitution mappings.

node_types:
  example.app:
    derived_from: tosca.nodes.WebApplication
    properties:
      mq_server_ip:
        type: string
        required: False
      receiver_port:
        type: integer
        required: False
    attributes:
      receiver_ip:
        type: string
      receiver_port:
        type: integer

topology_template:
  inputs:
    mq_server_ip:
      type: string
      description: IP address of the message queuing server to receive messages from.
      default: 127.0.0.1
    receiver_port:
      type: integer
      description: Port to be used for receiving messages.
      default: 8080
    my_cpus:
      type: integer
      description: Number of CPUs for the server.
      default: 2
      constraints:
        - valid_values: [ 1, 2, 4, 8 ]

  substitution_mappings:
    node_type: example.app

  node_templates:
    app:
      type: example.app
      properties:
        mq_server_ip: { get_input: mq_server_ip }
        receiver_port: { get_input: receiver_port }
      requirements:
        - host:
            node: websrv
    websrv:
      type: tosca.nodes.WebServer
      requirements:
        - host:
            node: server
    server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties:
            disk_size: 10 GB
            num_cpus: { get_input: my_cpus }
            mem_size: 4096 MB
        os:
          properties:
            architecture: x86_64
            type: Linux
            distribution: Ubuntu
            version: 14.04