Initial commit

Author: MartinEden

README.md

@@ -1,2 +1,14 @@
 # machine-metrics
 Script to install and run Prometheus Node Exporter (https://github.com/prometheus/node_exporter)
+
+Usage:
+
+```
+sudo -H ./install.sh
+```
+
+You can then control the service as per a normal systemd service, i.e.
+
+* `sudo systemctl [start|stop|enable|disable] machine-metrics.service`
+* `systemctl status machine-metrics.service`
+* `sudo journalctl --unit montagu-staging`

install.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -e
+
+HERE=$(dirname $(realpath $0))
+TARGET=/etc/systemd/system/machine-metrics.service
+
+if [[ "$HOME" != /root ]]; then
+    echo "Run with sudo -H ./install.sh"
+    exit 1;
+fi
+
+set -x
+sudo snap install --classic go
+go get github.com/prometheus/node_exporter
+cd ${GOPATH-$HOME/go}/src/github.com/prometheus/node_exporter
+make
+
+cp $HERE/machine-metrics.service $TARGET
+sed -i "s:__PATH__:$HERE:g" $TARGET
+systemctl enable machine-metrics
+
+set +x
+echo ""
+echo "Prometheus node exporter is installed at a service and is running at:"
+echo ""
+echo "http://localhost:9100/metrics"
+echo ""

machine-metrics.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Prometheus Node Metrics Exporter
+Wants=network-online.target
+After=network-online.target
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+WorkingDirectory=__PATH__
+ExecStart=__PATH__/run.sh
+Type=simple

run.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+set -x
+/root/go/src/github.com/prometheus/node_exporter/node_exporter