ADR 0198: a module's long-running code is launched by the node's runtime and reaches the bus through it #334

2026-10-03T20:21:00Z

mesh-admin commented

2026-10-03 20:21:00 +00:00

Graduates research 022 (WP4c). Measured: of the 23 remaining runtime containers, a handful subscribe to events; 12 run provisioners (files + backend + emit, already expressible as a launched bundle); one prepare step; CLIs psql/mosquitto_ctrl/git are system packages, mongosh/sqlcmd are not; five services reached by container name.

Decided: the node's runtime launches a module's long-running code as it does tools and is its bus — mesh/subscribe (the runtime binds the module's own durable consumer, delivers each event as mesh/event, acks only after the child answered) and mesh/ask beside mesh/publish. Prepare steps are run-once processes. Container-network reach becomes loopback ${port:…} and system packages, or a driver in the bundle (mongodb, mssql). Options weighed: per-module bus clients (rejected as in ADR 0188); keep the containers. Design 38 WP4c gains the order and three waves. Checks pass.

Graduates research 022 (WP4c). Measured: of the 23 remaining runtime containers, a handful subscribe to events; 12 run provisioners (files + backend + emit, already expressible as a launched bundle); one prepare step; CLIs psql/mosquitto_ctrl/git are system packages, mongosh/sqlcmd are not; five services reached by container name. Decided: the node's runtime launches a module's long-running code as it does tools and is its bus — `mesh/subscribe` (the runtime binds the module's own durable consumer, delivers each event as `mesh/event`, acks only after the child answered) and `mesh/ask` beside `mesh/publish`. Prepare steps are run-once processes. Container-network reach becomes loopback `${port:…}` and system packages, or a driver in the bundle (mongodb, mssql). Options weighed: per-module bus clients (rejected as in ADR 0188); keep the containers. Design 38 WP4c gains the order and three waves. Checks pass.

mesh-admin added 1 commit 2026-10-03 20:21:00 +00:00

ADR 0198: a module's long-running code is launched by the node's runtime and reaches the bus through it; research 022; design 38 WP4c plan 23d6e30b8a

mesh-admin merged commit d7bb24b181 into main

2026-10-03 20:21:04 +00:00

mesh-admin deleted branch decision/0198-a-modules-long-running-code-is-launched-by-the-runtime

2026-10-03 20:21:04 +00:00

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Reference: novox/hq#334