auto_node_exporter.sh

auto_node_exporter.sh

#!/bin/bash
wget -P /tmp/ https://github.com/prometheus/node_exporter/releases/download/v1.8.1/node_exporter-1.8.1.linux-amd64.tar.gz
tar -xf /tmp/node_exporter-1.8.1.linux-amd64.tar.gz -C /tmp/
cp /tmp/node_exporter-1.8.1.linux-amd64/node_exporter /usr/bin/

groupadd -f node_exporter && useradd -g node_exporter --no-create-home --shell /bin/false node_exporter
chown node_exporter:node_exporter /usr/bin/node_exporter

cat > /usr/lib/systemd/system/node_exporter.service <<EOL
[Unit]
Description=Node Exporter
Documentation=https://prometheus.io/docs/guides/node-exporter/
Wants=network-online.target
After=network-online.target

[Service]
User=node_exporter
Group=node_exporter
Type=simple
Restart=on-failure
ExecStart=/usr/bin/node_exporter

[Install]
WantedBy=multi-user.target
EOL

chmod 664 /usr/lib/systemd/system/node_exporter.service
systemctl daemon-reload
systemctl start node_exporter.service
systemctl enable node_exporter.service
sleep 3
systemctl status node_exporter.service