---
- name: Install dependencies
  ansible.builtin.apt:
    name: prometheus

- name: Configure Prometheus
  ansible.builtin.template:
    src: prometheus.yml
    dest: "{{ prometheus_config_dir }}/prometheus.yml"
    owner: root
    group: root
    mode: 0644
  notify: restart prometheus

- name: Configure Prometheus args
  ansible.builtin.lineinfile:
    path: /etc/default/prometheus
    line: >-
      ARGS="
      --storage.tsdb.retention.time={{ prometheus_storage_retention }}
      --storage.tsdb.retention.size=0
      --web.listen-address={{ prometheus_web_listen_address }}
      --web.external-url=prometheus
      --config.file={{ prometheus_config_dir }}/prometheus.yml
      "
    regexp: '^ARGS'
  notify: restart prometheus