template.yaml

tosca_definitions_version: tosca_variability_1_0_rc_3
imports:
    - lib/types.yaml

topology_template:
    ###################################################
    #
    # Variability
    #
    ###################################################

    variability:
        inputs:
            hpc_installed:
                description: Is an HPC installed?
                type: boolean
                default: false

            remote_access:
                description: Is the remote access feature enabled?
                type: boolean
                default: false

        expressions:
            has_hpc_installed: { equal: [ { variability_input: hpc_installed }, true ] }
            has_remote_access: { equal: [ { variability_input: remote_access }, true ] }

    ###################################################
    #
    # Inputs
    #
    ###################################################

    inputs:
        localhost_can_bus_virtual_interface:
            description: The CAN interface when virtualizing the CAN bus on localhost.
            type: string
            default: can0

    ###################################################
    #
    # Outputs
    #
    ###################################################

    outputs:
        abstraction_address:
            description: The ip address under which the abstraction application is available.
            value: "{{ '::abstraction_application::application_address' | eval }}"

        abstraction_port:
            description: The HTTP port under which the abstraction application is available.
            value: "{{ '::abstraction_application::rest_port' | eval }}"

    node_templates:
        ###################################################
        #
        # Frontend
        #
        ###################################################

        frontend_application:
            type: tosca4cars.nodes.MCMS.Frontend
            persistent: true
            conditions: { logic_expression: has_remote_access }
            requirements:
                -   host: frontend_hardware
                -   abstraction: abstraction_application
            artifacts:
                artifact:
                    type: tosca.artifacts.File
                    file: lib/frontend/artifact.zip

        frontend_hardware:
            type: tosca4cars.nodes.Docker.Supervisord
            properties:
                container_name: mcms-frontend
                network_mode: host
            requirements:
                -   host: docker_engine

        ###################################################
        #
        # Abstraction Application
        #
        ###################################################

        abstraction_application:
            type: tosca4cars.nodes.MCMS.Abstraction
            properties:
                can_enabled: true
                rest_port: 50000
                rest_enabled: true
                grpc_enabled: false
            requirements:
                -   host: abstraction_hardware_virtual
                -   flexible: flexible_application
                -   can: can_bus_virtual
            artifacts:
                artifact:
                    type: tosca.artifacts.File
                    file: lib/abstraction/artifact.zip

        abstraction_hardware_virtual:
            type: tosca4cars.nodes.Docker.Supervisord
            persistent: true
            conditions: { logic_expression: has_hpc_installed }
            properties:
                container_name: mcms-hpc
                network_mode: host
            requirements:
                -   host: docker_engine

        ###################################################
        #
        # Flexible Application
        #
        ###################################################

        flexible_application:
            type: tosca4cars.nodes.MCMS.Flexible
            persistent: true
            requirements:
                -   host: flexible_hardware_virtual
                -   can: can_bus_virtual
            artifacts:
                artifact:
                    type: tosca.artifacts.File
                    file: lib/flexible/virtual.zip

        flexible_hardware_virtual:
            type: tosca4cars.nodes.Docker.Supervisord
            properties:
                container_name: mcms-ecu
                network_mode: host
            requirements:
                -   host: docker_engine

        ###################################################
        #
        # CAN Bus
        #
        ###################################################

        can_bus_virtual:
            type: tosca4cars.nodes.CAN.Virtual
            properties:
                can_interface: { get_input: localhost_can_bus_virtual_interface }
            requirements:
                -   host: localhost

        ###################################################
        #
        # Misc
        #
        ###################################################

        docker_engine:
            type: tosca4cars.nodes.Docker.Engine
            requirements:
                -   host: localhost

        localhost:
            type: tosca4cars.nodes.Localhost