---
- name: Install apt-transport-https
  apt:
    name: apt-transport-https
    state: present

- name: Add gpg keys for prometheus repo
  ansible.builtin.apt_key:
    url: "{{ item.url }}"
    keyring: "{{ item.keyring }}"
  loop: "{{ postgres_exporter_apt_key }}"
  when:
    - postgres_exporter_apt_key is defined
    - postgres_exporter_install_official_repo

- name: Add prometheus repository
  ansible.builtin.apt_repository:
    repo: "{{ item.repo }}"
    state: present
    filename: "{{ item.filename }}"
    update_cache: no
  loop: "{{ postgres_exporter_apt_repository }}" 
  when: postgres_exporter_install_official_repo

- name: Ensure {{ postgres_exporter_package }} version {{ postgres_exporter_version }} installed
  apt:
    name: "{{ postgres_exporter_package }}"
    state: present

- name: Enable and start {{ postgres_exporter_unit_name }}
  systemd:
    name: "{{ postgres_exporter_unit_name }}"
    state: started
    enabled: yes
    masked: no
    daemon_reload: yes