node_exporter custom collection indicator textfile

Specify the directory path where the textfile collector reads indicator files

systemctl status node_exporter.service

cat /lib/systemd/system/node_exporter.service

[Unit]
Description=node_exporter service

[Service]
User=root
ExecStart=/root/node_exporter/node_exporter \
	--collector.textfile.directory=/seal/node_textfile

TimeoutStopSec=10
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target

systemctl daemon-reload
systemctl restart node_exporter.service
systemctl status node_exporter.service

curl http://localhost:9100/metrics