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ROADMAP.md

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Phase 1 Roadmap

We intend to work in a "demo-oriented" fashion to build a corpus of working code. Changes to the spec should be reflected in the demos. We should have a demo that proves we support each user story listed in the README.

Demo 0

A component (implemented in any language) uses high-level span functions to send basic telemetry information to a host (implemented in any language.) The host sends the telemetry information (spans and basic logs) to a Jaegar stack. The component is activated by an external request; for example, an incoming http request. The demo should run in Docker containers, possibly orchestrated via docker-compose or similar.

Once completed, find the demo in the ./demos/00-basic directory of this repository.

Stretch Goals:

  • Run two components in order to test distributed tracing.

Scope:

  • Add a context parameter to the WIT and use it in this demo. It doesn't have to be fully designed yet.
    • (See discussion here.)
  • Use the high-level wasi-observe interface (span-{enter,exit} functions, log.)
    • We're currently evaluating a more complete representation of Otel in WIT. Backporting that representation existing demos will help prove it out.
    • We may wish to make an early decision about our use of wasi-logging.
      • (See discussion here.)

Timeline:

  • Open-ended, but ideally before mid-March.