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Telemetry exporters

Three read-only Prometheus exporters run on hermesnet, published to localhost only. They expose host/container metrics for scraping; none of them has a write path into the host (bind mounts are :ro, the podman socket is used read-only).

hermes-node-exporter

http://127.0.0.1:9100/metrics

Host CPU, RAM, disk, net, load. Stock node-exporter reading bind-mounted /proc, /sys, /.

hermes-gpu-exporter

http://127.0.0.1:9101/metrics

AMD GPU utilization, VRAM, temp, power from amdgpu sysfs (pure sysfs reads, no ROCm runtime). Image builds from images/gpu-exporter:

podman build -t localhost/hermes-gpu-exporter:latest images/gpu-exporter

hermes-podman-exporter

http://127.0.0.1:9102/metrics

Container, image, and volume stats via the rootless podman socket (systemctl --user enable --now podman.socket).