tosca_definitions_version: tosca_simple_yaml_1_0

description: >
  Attribute can be defined explicitly as part of type definition
  or implicitly via property. This TOSCA template tests validation
  of attribute name implicitly created as a property and referenced
  via get_attribute function.

node_types:
  ServerNode:
    derived_from: SoftwareComponent
    properties:
      notification_port:
        type: integer

topology_template:
  node_templates:
    my_server:
      type: ServerNode
      properties:
        notification_port: 8000

  outputs:
    ip_address:
      value: { get_attribute: [ my_server, notification_port ] }