tosca_definitions_version: tosca_simple_yaml_1_0

description: >
  TOSCA simple profile with a web application.

topology_template:
  inputs:
    cpus:
      type: integer
      description: Number of CPUs for the server.
      constraints:
        - valid_values: [ 1, 2, 4, 8 ]
      default: 1
    context_root:
      type: string
      description: Context root for installing the application.
      default: app

  node_templates:
    web_app:
      type: tosca.nodes.WebApplication
      properties:
        context_root: { get_input: context_root }
      requirements:
        - host: web_server
      interfaces:
        Standard:
          create:
            implementation: web_app_install.sh
            inputs:
              context_root: { get_input: context_root }
          start: web_app_start.sh

    web_server:
      type: tosca.nodes.WebServer
      requirements:
        - host: server
      interfaces:
        Standard:
          create: web_server_install.sh
          start: web_server_start.sh

    server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties:
            disk_size: 10 GB
            num_cpus: { get_input: cpus }
            mem_size: 1024 MB
        os:
          properties:
            architecture: x86_64
            type: Linux
            distribution: Ubuntu
            version: 14.04