---
- name: "Include OS-specific variables"
  ansible.builtin.include_vars: "{{ ansible_facts['os_family'] | lower }}.yml"

- name: "Ensure prometheus-node-exporter is installed"
  become: true
  ansible.builtin.package:
    name: "prometheus-node-exporter"
    state: "present"

- name: "Configure node-exporter host/port via environment file"
  become: true
  ansible.builtin.copy:
    content: |
      NODE_EXPORTER_ARGS="
        --web.listen-address={{ node_exporter_host }}:{{ node_exporter_port }}
        --collector.systemd
      "
    dest: "{{ node_exporter_env_file }}"
    mode: "0644"
  notify: "Restart node-exporter"

- name: "Start and enable prometheus-node-exporter"
  become: true
  ansible.builtin.systemd_service:
    name: "prometheus-node-exporter"
    state: "started"
    enabled: true