docker: start simulator with compose, bind published ports to localhost - #51
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clement-igonet wants to merge 1 commit into
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docker: start simulator with compose, bind published ports to localhost#51clement-igonet wants to merge 1 commit into
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The compose started Yamcs but never the simulator, so the udp-in link stayed at dataInCount 0 and no parameter received a value (yamcs#50). Run simulator.py in a companion container sharing the yamcs network namespace: the simulator's default 127.0.0.1 targets reach the udp-in link, and the udp-out link (host: localhost) reaches the simulator's TC port, so both telemetry and commanding work out of the box. Also bind the published ports (8090, 10015/udp) to 127.0.0.1: the quickstart runs without authentication and should not be exposed to the host network by default.
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Closes #50.
docker compose upstarted Yamcs but never the simulator, so theudp-inlink stayed atdataInCount 0and no parameter ever received a value.Changes
simulatorservice (python:3.12-alpine, mounting the repo like theyamcsservice) that runssimulator.pyonce Yamcs passes its healthcheck (depends_on: condition: service_healthy).network_mode: "service:yamcs"), so no flags and no Yamcs config changes are needed: the simulator's default127.0.0.1TM target reaches theudp-inlink, and theudp-outlink (host: localhost) reaches the simulator's TC port — commanding works out of the box too, which a simulator on a separate bridge address would not get.127.0.0.1(8090,10015/udp): the quickstart runs without authentication, so it should not be reachable from the host's network by default. The10015/udppublish is kept so runningsimulator.pyon the host (make yamcs-simulator) still works as before.Verified (rootless podman + podman-compose on Debian 13)
up -d --build: simulator starts automatically after the healthcheck;udp-inshowsstatus: OKwithdataInCountclimbing at 1 Hz.Rebootvia/api/processors/myproject/realtime/commands/myproject/Rebootshowsudp-out dataOutCountincrementing, and netns UDP counters confirm delivery to the simulator's TC socket over IPv4 (noNoPortsdrops).One note: the simulator's in-place (
\r-rewritten) status line doesn't show up incompose logsunder podman's journald log driver — cosmetic only; #48's readiness/status work touches that area ofsimulator.pyanyway.