Add publish socket for on-device extension telemetry - #18
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Add /run/avocado-conn/publish.sock so extensions (e.g. glances) push
newline-JSON onto the single authenticated MQTT session instead of opening
their own cloud connection. Lines are normalized and forwarded to event/{id};
downlink log_*/metrics_* route back through the socket. Adds config
(publish_socket, DownlinkConfig), agent wiring, docs, and unit + tokio
socket integration tests.
Signed-off-by: Eilís 'pidge' Ní Fhlannagáin <pidge@baylibre.com>
yoctopidg3
marked this pull request as ready for review
September 4, 2026 14:12
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Part of the device observability change set — pairs with the tracking PR avocado-linux/avocado-os#50 and the meta-avocado feed PR.
What
Expose avocado-conn's internal MQTT outbox as a local ingest socket
/run/avocado-conn/publish.sock, so on-device extensions (glances, logging) can push newline-delimited JSON onto the single authenticated MQTT session (event/{id}) instead of opening a second cloud connection. Downlinklog_*/metrics_*commands route back through the socket.Adds config (
publish_socket,DownlinkConfig), agent wiring, docs, and unit + tokio socket integration tests.