---
- name: Create llama_exporter group
  become: true
  ansible.builtin.group:
    name: "{{ llama_exporter_user }}"
    state: present
    system: true

- name: Create llama_exporter user
  become: true
  ansible.builtin.user:
    name: "{{ llama_exporter_user }}"
    group: "{{ llama_exporter_user }}"
    home: "{{ llama_exporter_user_home }}"
    create_home: true
    shell: /usr/sbin/nologin
    system: true

- name: Create llama_exporter install directory
  become: true
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    owner: "{{ llama_exporter_user }}"
    group: "{{ llama_exporter_user }}"
    mode: "0755"
  loop:
    - "{{ llama_exporter_install_dir }}"
    - "{{ llama_exporter_install_dir }}/logs"

- name: Copy llama_exporter script
  become: true
  ansible.builtin.copy:
    src: llama_exporter.py
    dest: "{{ llama_exporter_script_path }}"
    owner: "{{ llama_exporter_user }}"
    group: "{{ llama_exporter_user }}"
    mode: "0755"
  notify:
    - Restart llama_exporter

- name: Create Python virtual environment
  become: true
  ansible.builtin.command:
    cmd: "{{ ansible_facts['python']['executable'] }} -m venv {{ llama_exporter_venv_path }}"
    creates: "{{ llama_exporter_venv_path }}/bin/activate"

- name: Install Python dependencies in llama_exporter venv
  become: true
  ansible.builtin.pip:
    name:
      - prometheus-client
      - requests
    virtualenv: "{{ llama_exporter_venv_path }}"
    state: present

- name: Fix ownership of llama_exporter directory
  become: true
  ansible.builtin.file:
    path: "{{ llama_exporter_install_dir }}"
    owner: "{{ llama_exporter_user }}"
    group: "{{ llama_exporter_user }}"
    recurse: true

- name: Generate llama_exporter systemd service
  become: true
  ansible.builtin.template:
    src: llama_exporter.service.j2
    dest: "/etc/systemd/system/{{ llama_exporter_service_name }}.service"
    owner: root
    group: root
    mode: "0644"
  notify:
    - Reload systemd daemon
    - Restart llama_exporter

- name: Enable llama_exporter service
  become: true
  ansible.builtin.systemd:
    name: "{{ llama_exporter_service_name }}"
    enabled: true
    state: started