version: "3.4"
services:
  prometheus:
    image: prom/prometheus:latest
    restart: unless-stopped
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro,Z
      - prom_data:/prometheus
      - label_discovery:/label_discovery:ro
    labels:
      - "traefik.enable=false"
    depends_on:
      - prometheus-docker-sd
      - cadvisor
      - node-exporter
    extra_hosts:
      - host.docker.internal:host-gateway
    networks:
      - default # send
      - backend
      - metrics

  prometheus-docker-sd:
    image: registry.tobiasmanske.de/prometheus-docker-sd:latest
    restart: unless-stopped
    privileged: true
    networks:
      - backend
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro,Z
      - label_discovery:/prometheus-docker-sd:rw
    logging: # this service generates a HUGE amout of logs.
      driver: "none"

  node-exporter:
    image: quay.io/prometheus/node-exporter:latest
    container_name: "{{ inventory_hostname | replace('.', '-') }}-node-exporter"
    privileged: true
    labels:
      - "prometheus-scrape.enabled=true"
      - "prometheus-scrape.port=9100"
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
      - /:/host:ro,rslave
      - /run/dbus/system_bus_socket:/var/run/dbus/system_bus_socket:ro
    command:
      - '--path.rootfs=/host'
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.ignored-mount-points'
      - "^/(sys|proc|dev|host|etc|rootfs/var/lib/docker/containers|rootfs/var/lib/docker/overlay2|rootfs/run/docker/netns|rootfs/var/lib/docker/aufs)($$|/)"
      - '--collector.systemd'
    networks:
      - backend
    restart: unless-stopped

  cadvisor:
    image: gcr.io/cadvisor/cadvisor:latest
    privileged: true
    labels:
      - "prometheus-scrape.enabled=true"
      - "prometheus-scrape.port=8080"
    command:
      - "-docker_only=true"
      - "-housekeeping_interval=10s"
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    networks:
      - backend
    restart: unless-stopped

  smokeping_prober:
    image: quay.io/superq/smokeping-prober@sha256:25d07dfc1d7e47d7bf8305c7c813a030fc6b03959da596ab93f40ae4d49b63a1 # latest @ 2024-01-10
    labels:
      - "prometheus-scrape.enabled=true"
      - "prometheus-scrape.port=9374"
    command:
      - "-i" # interval
      - "5s"
      - "google.com"
      - "ipv6.google.com"
      - "discord.com"
      - "wikipedia.com"

  promtail:
    image: grafana/promtail:latest
    security_opt:
      - label:disable
    restart: unless-stopped
    volumes:
      - ./promtail.yml:/etc/promtail/config.yml:ro
      - /var/log:/var/log:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
      - /var/run/docker.sock:/var/run/docker.sock
    command: -config.file=/etc/promtail/config.yml
    labels:
      - "prometheus-scrape.enabled=true"
      - "prometheus-scrape.port=8080"
    networks:
      - default # send
      - backend
      - metrics

volumes:
  prom_data:
  label_discovery:
networks:
  backend:
    internal: true
  metrics:
    external: true