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gateway: send nginx stub_status to VictoriaMetrics, add a gateway dashboard

The gateway nginx serves stub_status on a loopback server of its own,
127.0.0.1:8085 (services.hyperhive.gateway.statusPort). The hive-tier
collector reads it with the contrib nginx receiver, which the pinned
otelcol-contrib 0.151.0 ships, so no exporter daemon is added. The
receiver dials http:// only (a unix: or http+unix: endpoint fails with
"unsupported protocol scheme"), so the listener is loopback TCP with
allow 127.0.0.1 / deny all rather than a unix socket.

The new gateway dashboard plots nginx.requests, nginx.connections_current
by state, and nginx.connections_accepted against handled, per hive.

Part of #5342.
This commit is contained in:
atlas 2026-10-16 02:40:26 +02:00 • committed by mara
commit f70bbda7d7
8 changed files with 460 additions and 1 deletions

View file

@ -176,6 +176,7 @@ kept.
- `claude-usage`: Claude use by model, effort, token type and source.
- `controller`: the swarm controller's job graph by state, and the push and commit rates it sees on the forge.
- `forge`: what the forge holds, and the forge process's CPU, memory and descriptors.
- `gateway`: the gateway nginx on each hive's host: requests per second, connections by state, and accepted against handled connections.
- `collector`: what the OTEL collectors accept, refuse, export and queue, with queue depth against capacity.
- `logstore`, `metricstore`: health of the log store and the metrics store.