---

- name: Get latest nginx_exporter version
  github_release:
    user: nginxinc
    repo: nginx-prometheus-exporter
    action: latest_release
    token: "{{ vault_github_token }}"
  delegate_to: localhost
  run_once: true
  register: nginx_exporter_version
- name: "{{ nginx_exporter_version }}"
  set_fact:
    nginx_exporter_version: "{{ nginx_exporter_version | replace('v', '', 1) | trim }}"
  run_once: true

- name: Set architecture alias
  set_fact:
    architecture_alias: "amd64"  # noqa: var-naming[no-role-prefix]
  when: ansible_architecture == "x86_64"

- name: Set architecture alias
  set_fact:
    architecture_alias: "arm64"  # noqa: var-naming[no-role-prefix]
  when: ansible_architecture == "aarch64"

- name: "Download nginx_exporter from GitHub (v{{ nginx_exporter_version.tag }})"
  get_url:
    url: "https://github.com/nginxinc/nginx-prometheus-exporter/releases/download/\
          v{{ nginx_exporter_version.tag }}/nginx-prometheus-exporter_{{ nginx_exporter_version.tag }}\
          _linux_{{ architecture_alias }}.tar.gz"
    dest: "/var/tmp/nginx-prometheus-exporter.tar.gz"
    mode: "0644"
  register: nginx_exporter_download_archive
  until: nginx_exporter_download_archive is succeeded
  retries: 3
  delay: 5

- name: Unpack nginx_exporter
  unarchive:
    remote_src: true
    src: "/var/tmp/nginx-prometheus-exporter.tar.gz"
    dest: "{{ nginx_exporter_install_dir }}"
    extra_opts:
      - --one-top-level
    owner: "{{ nginx_exporter_system_user }}"
    group: "{{ nginx_exporter_system_group }}"
    include:
      - nginx-prometheus-exporter
  notify: Restart nginx_exporter

- name: Copy sub_status.conf to nginx conf.d
  template:
    src: sub_status.conf.j2
    dest: /etc/nginx/conf.d/sub_status.conf
    mode: "0644"
  notify: Reload nginx

- name: Copy nginx_exporter systemd service
  template:
    src: nginx_exporter.service.j2
    dest: /etc/systemd/system/nginx_exporter.service
    owner: root
    group: root
    mode: "0644"
  notify: Restart nginx_exporter