nvme-cli temp in grafana

howto.md

Install dependencies:

sudo apt install nvme-cli

Create script

Use an editor to create a file named nvme_metrics.sh in your home directory, containing

#!/bin/sh
TEMP=$(/usr/sbin/nvme smart-log /dev/nvme0 | /usr/bin/grep temperature | /usr/bin/head -1 | /usr/bin/awk '{print $3}')

echo "# HELP nvme_temperature Temperature of the first nvme reported by nvme-cli"
echo "# TYPE nvme_temperature gauge"
echo "nvme_temperature $TEMP"

Make the script executable

chmod u+x nvme_metrics.sh

Add the script to your cron tab

Run sudo crontab -e to edit your cron tab. Select an editor, if requested to. Add a line to the bottom: * * * * * /home/[your username]/nvme_metrics.sh > /var/lib/node_exporter/textfile_collector/nvme.prom Be sure to replace [your username].

Add metrics to grafana

After a few minutes, you should be able to query the new metric in grafana