Node Exporter / Prometheus

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Justin Arendt

• October 01, 2021 03:41

For anyone running node-exporter directly on the Firewalla Gold, I was able to deploy a persistent docker container for prom/node-exporter by kicking the version of the docker-compose example from github down to v3.  It deployed without issue using the same instructions for persistence provided for pi-hole, etc..  It works wonderfully with my prometheus/grafana installation, and took about 5 minutes to get working.  This was the easiest way by far I could find to get this running quickly on the device, and it gives every longitudinal metric you could ever ask for on the device.

Thanks for supporting this functionality Firewalla Team!  

---

version: '3.0'

services:

  node_exporter:

    image: quay.io/prometheus/node-exporter:latest

    container_name: node_exporter

    command:

      - '--path.rootfs=/host'

    network_mode: host

    pid: host

    restart: unless-stopped

    volumes:

      - '/:/host:ro,rslave'

 

 

5

• 

  Jonas

  • July 16, 2022 03:56

  Alternatively for those who dislike docker-compose.

   

  Enable & Start Docker (if required)

  https://help.firewalla.com/hc/en-us/articles/360048882174-Firewalla-Tutorial-Expanding-With-Docker-Containers

  $ sudo systemctl start docker
  $ sudo systemctl enable docker

   

  Start Prometheus' node exporter on startup.

  https://help.firewalla.com/hc/en-us/articles/360054056754-Customized-Scripting-

  $ mkdir ~/.firewalla/config/post_main.d/
  
  $ cat ~/.firewalla/config/post_main.d/prometheus.sh
  #!/bin/bash
  /usr/bin/sudo /usr/bin/docker run --pull always -d --restart always --name node-exporter --network=host -v "/:/host:ro,rslave" quay.io/prometheus/node-exporter:latest --path.rootfs=/host

   

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