tosca_definitions_version: tosca_simple_yaml_1_0

description: >-
  TOSCA simple profile with WordPress, a web server, a MySQL DBMS hosting the application's database
  content on the same server. Does not have input defaults or constraints.

metadata:
  template_name: webserver-dbms-1
  template_author: TOSCA Simple Profile in YAML
  template_version: '1.0'

imports:
  - ../non-normative-types.yaml

topology_template:

  inputs:
    cpus:
      type: integer
      description: Number of CPUs for the server.
    db_name:
      type: string
      description: The name of the database.
    db_user:
      type: string
      description: The username of the DB user.
    db_pwd:
      type: string
      description: The WordPress database admin account password.
    db_root_pwd:
      type: string
      description: Root password for MySQL.
    db_port:
      type: PortDef
      description: Port for the MySQL database
    # ARIA NOTE: missing in spec
    context_root:
      type: string
      description: Context root for WordPress.

  node_templates:

    wordpress:
      type: tosca.nodes.WebApplication.WordPress
      properties:
        context_root: { get_input: context_root }
      requirements:
        - host: webserver
        - database_endpoint: mysql_database
      interfaces:
        Standard:
          create: wordpress_install.sh
          configure:
            implementation: wordpress_configure.sh
            inputs:
              wp_db_name: { get_property: [ mysql_database, name ] }
              wp_db_user: { get_property: [ mysql_database, user ] }
              wp_db_password: { get_property: [ mysql_database, password ] }
              # In my own template, find requirement/capability, find port property
              wp_db_port: { get_property: [ SELF, database_endpoint, port ] }

    mysql_database:
      type: Database
      properties:
        name: { get_input: db_name }
        user: { get_input: db_user }
        password: { get_input: db_pwd }
        port: { get_input: db_port }
      capabilities:
        database_endpoint:
          properties:
            port: { get_input: db_port }
      requirements:
        - host: mysql_dbms
      interfaces:
        Standard:
          configure: mysql_database_configure.sh

    mysql_dbms:
      type: DBMS
      properties:
        root_password: { get_input: db_root_pwd }
        port: { get_input: db_port }
      requirements:
        - host: server
      interfaces:
        Standard:
          # ARIA NOTE: not declared in spec
          #inputs:
          #  db_root_password: { get_property: [ mysql_dbms, root_password ] }
          create: mysql_dbms_install.sh
          start: mysql_dbms_start.sh
          configure: mysql_dbms_configure.sh

    webserver:
      type: WebServer
      requirements:
        - host: server
      interfaces:
        Standard:
          create: webserver_install.sh
          start: webserver_start.sh

    server:
      type: Compute
      capabilities:
        host:
          properties:
            disk_size: 10 GB
            num_cpus: { get_input: cpus }
            mem_size: 4096 MB
        os:
          properties:
            architecture: x86_64
            type: linux
            distribution: fedora
            version: 17.0

  outputs:
    website_url:
      description: URL for Wordpress wiki.
      value: { get_attribute: [ server, public_address ] }