---
- name: Create group
  ansible.builtin.group:
    name: nginx_exporter
    system: true

- name: Create user
  ansible.builtin.user:
    name: nginx_exporter
    comment: Prometheus NGINX Exporter
    group: nginx_exporter
    groups: hostkey
    create_home: false
    home: /var/empty
    shell: /sbin/nologin
    system: true

- name: Download package
  ansible.builtin.get_url:
    url: >-
      {{
        "https://github.com/nginxinc/nginx-prometheus-exporter/releases/"
        + "download/v" + nginx_exporter_version + "/" + nginx_exporter_pkg
        + ".tar.gz"
      }}
    dest: "/usr/local/src/{{ nginx_exporter_pkg }}.tar.gz"
    mode: "0644"
    owner: root
    group: "{{ ansible_wheel }}"

- name: Create directory for extracing package
  ansible.builtin.file:
    path: "/usr/local/src/{{ nginx_exporter_pkg }}"
    state: directory
    mode: "0755"
    owner: root
    group: "{{ ansible_wheel }}"

- name: Extract nginx_exporter
  ansible.builtin.unarchive:
    src: "/usr/local/src/{{ nginx_exporter_pkg }}.tar.gz"
    dest: "/usr/local/src/{{ nginx_exporter_pkg }}"
    owner: root
    group: "{{ ansible_wheel }}"
    creates: "/usr/local/src/{{ nginx_exporter_pkg }}/nginx-prometheus-exporter"
    remote_src: true

- name: Copy binary
  ansible.builtin.copy:
    dest: "/usr/local/bin/nginx_exporter"
    src: "/usr/local/src/{{ nginx_exporter_pkg }}/nginx-prometheus-exporter"
    mode: "0755"
    owner: root
    group: "{{ ansible_wheel }}"
    remote_src: true
  notify: Restart nginx_exporter

- name: Create config directory
  ansible.builtin.file:
    path: /etc/nginx_exporter
    state: directory
    mode: "0755"
    owner: root
    group: "{{ ansible_wheel }}"

- name: Create web-config
  ansible.builtin.template:
    dest: /etc/nginx_exporter/web-config.yml
    src: web-config.yml.j2
    mode: "0644"
    owner: root
    group: "{{ ansible_wheel }}"
  notify: Restart nginx_exporter

- name: Create service file
  ansible.builtin.template:
    dest: /etc/systemd/system/nginx_exporter.service
    src: nginx_exporter.service.j2
    mode: "0644"
    owner: root
    group: "{{ ansible_wheel }}"
  notify: Restart nginx_exporter

- name: Enable service
  ansible.builtin.service:
    name: nginx_exporter
    state: started
    enabled: true