- name: Создаём групу 
  ansible.builtin.group:
    name: "{{ blackbox_exporter_group }}"
    system: yes
    state: present 

- name: Создаём пользователя
  ansible.builtin.user:
    name: "{{ blackbox_exporter_user }}"
    group: "{{ blackbox_exporter_user }}"
    system: yes
    shell: /sbin/nologin
    create_home: no

- name: Проверяем, существует ли архив
  ansible.builtin.stat:
    path: "/tmp/blackbox_exporter-{{ blackbox_exporter_version }}.tar.gz"
  register: archive_stat

- name: Загружаем архив экспортера, если не существует
  ansible.builtin.get_url:
    url: "https://github.com/prometheus/blackbox_exporter/releases/download/v{{ blackbox_exporter_version }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64.tar.gz"
    dest: "/tmp/blackbox_exporter-{{ blackbox_exporter_version }}.tar.gz"
    mode: '0644'
  when: not archive_stat.stat.exists
  changed_when: false

- name: Создаём целевую директорию
  ansible.builtin.file:
    path: "{{ blackbox_exporter_install_dir }}"
    state: directory
    mode: '0755'
    owner: "{{ blackbox_exporter_user }}"
    group: "{{ blackbox_exporter_user }}"

- name: Разархивируем файл архива 
  ansible.builtin.unarchive:
    src: "/tmp/blackbox_exporter-{{ blackbox_exporter_version }}.tar.gz"
    dest: "{{ blackbox_exporter_install_dir }}"
    owner: "{{ blackbox_exporter_user }}"
    group: "{{ blackbox_exporter_user }}"
    mode: "0755"  
    remote_src: yes
    extra_opts: [--strip-components=1]
    creates: "{{ blackbox_exporter_install_dir }}/blackbox_exporter"  # предотвращает повторную распаковку

- name: Удляем архив после разархивации
  ansible.builtin.file:
    path: "/tmp/blackbox_exporter-{{ blackbox_exporter_version }}.tar.gz"
    state: absent
  changed_when: false

- name: Создаём симовлическую ссылку на бинарный файл
  ansible.builtin.file:
    src: "{{ blackbox_exporter_install_dir }}/blackbox_exporter"
    dest: /usr/local/bin/blackbox_exporter
    state: link

- name: Создаём каталог для конфигурационного файла
  ansible.builtin.file:
    path: "{{ blackbox_exporter_config_path | dirname }}"
    state: directory
    owner: "{{ blackbox_exporter_user }}"
    group: "{{ blackbox_exporter_group }}"
    mode: '0755'

- name: Создаём systemd юнит
  ansible.builtin.template:
    src: blackbox_exporter.service.j2
    dest: /etc/systemd/system/blackbox_exporter.service
    mode: '0644'
  notify: Перезапустить Blackbox Exporter

- name: Enable and start service
  ansible.builtin.systemd:
    name: blackbox_exporter
    enabled: yes
    state: started