homelab/roles/monitoring/tasks/prometheus.yml

---
- name: Create prometheus docker volume
  become: true
  community.docker.docker_volume:
    name: prometheus
- name: Create prometheus config dir
  become: true
  ansible.builtin.file:
    path: /etc/prometheus
    state: directory
    mode: "1755"
    owner: root
    group: root
- name: Copy prometheus config
  become: true
  ansible.builtin.template:
    src: prometheus.yml.j2
    dest: /etc/prometheus/prometheus.yml
    mode: "0644"
    owner: root
    group: root
  register: prometheus_cfg
- name: Create prometheus container
  become: true
  community.docker.docker_container:
    name: prometheus
    image: prom/prometheus:v2.54.1
    networks:
      - name: monitoring
    volumes:
      - prometheus:/prometheus
      - /etc/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
    recreate: "{{ prometheus_cfg.changed }}"
    restart_policy: unless-stopped