homelab/tasks/monitoring.yml

---
- name: Create folder structure
  file:
    path: "{{ item }}"
    state: directory
  with_items:
    - "{{ data_dir }}/monitoring"
    - "{{ data_dir }}/monitoring/prometheus"
    - "{{ data_dir }}/monitoring/grafana"

- name: Create Monitoring Docker Network
  docker_network:
    name: monitoring

- name: Create Grafana Docker Container
  docker_container:
    name: grafana
    image: grafana/grafana:latest
    restart_policy: unless-stopped
    recreate: true
    networks:
      - name: homelab
      - name: monitoring
    volumes:
      - "{{ data_dir }}/monitoring/grafana:/var/lib/grafana"
    env:
      GF_AUTH_ANONYMOUS_ENABLED: "{{ GRAFANA_AUTH_ANONYMOUS_ENABLED }}"

- name: Copy Prometheus Config
  template:
    src: "prometheus.yml.j2"
    dest: "{{ data_dir }}/monitoring/prometheus/config.yml"

- name: Create Prometheus Docker Container
  docker_container:
    name: prometheus
    image: prom/prometheus:latest
    restart_policy: unless-stopped
    recreate: true
    networks:
      - name: homelab
      - name: monitoring
    volumes:
      - "{{ data_dir }}/monitoring/prometheus:/prometheus"
      - "{{ data_dir }}/monitoring/prometheus/config.yml:/etc/prometheus/prometheus.yml"

- name: Create CAdvisor Docker Container
  docker_container:
    name: cadvisor
    image: gcr.io/cadvisor/cadvisor:latest
    restart_policy: unless-stopped
    recreate: true
    privileged: true
    networks:
      - name: monitoring
    devices:
      - /dev/kmsg
    volumes:
      - "/:/rootfs:ro"
      - "/var/run:/var/run:ro"
      - "/sys:/sys:ro"
      - "/var/lib/docker:/var/lib/docker:ro"
      - "/dev/disk/:/dev/disk:ro"

- name: Create Node-Exporter Docker Container
  docker_container:
    name: node-exporter
    image: prom/node-exporter:latest
    restart_policy: unless-stopped
    recreate: true
    networks:
      - name: monitoring