From d48713cb15ff39a705d0528548e8e7d162b3a4a6 Mon Sep 17 00:00:00 2001 From: Claude Agent Date: Tue, 16 Jun 2026 10:06:55 +0000 Subject: [PATCH] monitoring: run node_exporter on host network netdev (netlink) was reading the container's own veth (idle) -> node_network_* showed ~0 on every host. Host network lets it see real host interfaces, so bandwidth (egress vs tariff quota) works. Removed networks/expose (exclusive with network_mode:host). Co-Authored-By: Claude Opus 4.8 (1M context) --- monitoring.yml | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/monitoring.yml b/monitoring.yml index 8412cd10..abffbcc1 100644 --- a/monitoring.yml +++ b/monitoring.yml @@ -210,6 +210,10 @@ services: nodeexporter: image: prom/node-exporter container_name: nodeexporter + # Host network so the netdev collector (netlink) reads the HOST interfaces, not + # the container's idle veth — required for node_network_* (bandwidth) to be real. + # network_mode:host is exclusive with networks/expose, so those are removed. + network_mode: host volumes: - /proc:/host/proc:ro - /sys:/host/sys:ro @@ -220,10 +224,6 @@ services: - '--path.sysfs=/host/sys' - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)' restart: unless-stopped - expose: - - 9100 - networks: - - chains labels: - "prometheus-scrape.enabled=true" - "prometheus-scrape.port=9100"