---

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

- name: download postgres_exporter {{ postgres_exporter_version.tag }} from GitHub
  get_url:
    url: "https://github.com/prometheus-community/postgres_exporter/releases/download/\
          v{{ postgres_exporter_version.tag }}/postgres_exporter-{{ postgres_exporter_version.tag }}\
          .linux-{{ deb_architecture }}.tar.gz"
    dest: "/tmp/postgres_exporter-{{ postgres_exporter_version.tag }}-linux-{{ deb_architecture }}.tar.gz"
  register: _download_archive
  until: _download_archive is succeeded
  retries: 3
  delay: 5

- name: unpack postgres_exporter binaries
  unarchive:
    src: "/tmp/postgres_exporter-{{ postgres_exporter_version.tag }}-linux-{{ deb_architecture }}.tar.gz"
    dest: "/tmp"
    creates: "/tmp/postgres_exporter-{{ postgres_exporter_version.tag }}.linux-{{ deb_architecture }}"
    remote_src: true

- name: Copy postgres_exporter
  copy:
    src: "/tmp/postgres_exporter-{{ postgres_exporter_version.tag }}.linux-{{ deb_architecture }}/postgres_exporter"
    dest: "{{ pgsql_exporter_install_dir }}/postgres_exporter"
    remote_src: true
    mode: 0755
  notify: restart postgres_exporter

- name: Copy the postgres_exporter systemd service file
  template:
    src: postgres_exporter.service.j2
    dest: /etc/systemd/system/postgres_exporter.service
    owner: root
    group: root
    mode: 0644
  notify: restart postgres_exporter