node_exporter.sh

#!/bin/bash -xe

curl -sL https://github.com/prometheus/node_exporter/releases/download/v1.0.0/node_exporter-1.0.0.linux-amd64.tar.gz | tar xzvf - -C /opt/

cat << EOF > /etc/systemd/system/node_exporter.service
[Unit]
Description=Node Exporter

[Service]
ExecStart=/opt/node_exporter-1.0.0.linux-amd64/node_exporter --web.listen-address=0.0.0.0:9100

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl start node_exporter
systemctl enable node_exporter

node_exporter.yml

---

- hosts: all
  gather_facts: no
  tasks:
    - apt:
        update_cache: yes
        cache_valid_time: 3600
        name:
          - unzip

    - unarchive:
        src: https://github.com/prometheus/node_exporter/releases/download/v1.0.0/node_exporter-1.0.0.linux-amd64.tar.gz
        dest: /opt
        remote_src: yes

    - copy:
        dest: /etc/systemd/system/node_exporter.service
        content: |
          [Unit]
          Description=Node Exporter
          [Service]
          ExecStart=/opt/node_exporter-1.0.0.linux-amd64/node_exporter --collector.cpu.info --collector.systemd.enable-task-metrics --collector.systemd.enable-restarts-metrics --collector.systemd.enable-start-time-metrics --collector.interrupts --collector.logind --collector.mountstats --collector.ntp --collector.processes --collector.systemd --collector.tcpstat --collector.wifi --web.listen-address="0.0.0.0:9100" --web.disable-exporter-metrics --log.format=json
          [Install]
          WantedBy=multi-user.target

    - systemd:
        name: node_exporter.service
        daemon_reload: yes
        state: restarted
        enabled: yes