ansible/roles/node_exporter/tasks/install.yml

---
- name: Download/Extract "{{ node_exporter_download_url }}"
  unarchive:
    src: "{{ node_exporter_download_url }}"
    dest: /tmp/
    remote_src: true
    mode: 755

- name: Move node_exporter into path
  copy:
    src: "/tmp/node_exporter-{{ node_exporter_version }}.linux-{{ go_arch }}/node_exporter"
    dest: "{{ node_exporter.bin_path }}"
    mode: 755
    remote_src: true
  become: true

- name: Create node_exporter user.
  user:
    name: node_exporter
    shell: /sbin/nologin
    state: present
  become: true

- name: Copy the node_exporter systemd unit file.
  template:
    src: node_exporter.service.j2
    dest: /etc/systemd/system/node_exporter.service
    mode: 0644
  register: node_exporter_service
  become: true