OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC

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Agenda for Wednesday August 12, 2026 TOSCA Community Meeting

  • 1.  Agenda for Wednesday August 12, 2026 TOSCA Community Meeting

    Posted 08-11-2026 23:39

    We will have our regular TOSCA Community meeting on Wednesday August 12 at 5:00pm CET, at 4:00pm in the UK, at 8:00am US Pacific Time, and 10:00am US Central Time. Please join at https://us02web.zoom.us/j/83059314783?pwd=QZ0ria97PMZsFMDrQb1uXAwaLassq9.1

    This week, we will focus on the following:

    Must every substituting-template input be mapped?

    • Roberto has reopened the implementation details discussion (#258): section 15.2 requires mappings only for non-optional inputs without a default.
    • I have replied there. A default is fixed when the realization is authored, so it cannot carry a value that differs per substituted node.
    • Please read the thread beforehand. We will decide which reading we adopt.

    Demonstration: one abstract topology, two realizations

    • A live run of a TOSCA orchestrator driving an integration with Margo.
    • One OPAS topology, naming no technology, realized onto two different runtimes at once.
    • I will open the model itself: substitution filters, attribute escalation, and cross-service requirement matching.

    The 0.1 release

    • N8, the platform connection properties, is sequenced behind the credential model.
    • HttpUrl in the core profile is missing its end anchor and should be fixed first.

    If time permits

    • Kubernetes testing feedback, Tal's generator, the design guide walkthrough, open items.

    Thanks, Chris