version: '3'

volumes:
  prometheus-config:
    external:
      name: prometheus-config
  prometheus-data:
  grafana-data:
  alertmanager-config:
    external:
      name: alertmanager-config

networks:
  front-tier:
  back-tier:

services:
  prometheus:
    image: prom/prometheus
    container_name: prometheus
    volumes:
      - prometheus-config:/etc/prometheus/
      - prometheus-data:/prometheus
    command:
      - '-config.file=/etc/prometheus/prometheus.yml'
      - '-storage.local.path=/prometheus'
      - '-alertmanager.url=http://alertmanager:9093'
    ports:
      - 9090:9090
    depends_on:
      - cadvisor
    networks:
      - back-tier
    deploy:
      placement:
        constraints:
          - node.role == manager
          - node.hostname == node1
  node-exporter:
    container_name: node-exporter
    image: prom/node-exporter
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command: '-collector.procfs=/host/proc -collector.sysfs=/host/sys -collector.filesystem.ignored-mount-points="^(/rootfs|/host|)/(sys|proc|dev|host|etc)($$|/)" collector.filesystem.ignored-fs-types="^(sys|proc|auto|cgroup|devpts|ns|au|fuse\.lxc|mqueue)(fs|)$$"'
    expose:
      - 9100
    networks:
      - back-tier
    deploy:
  # alertmanager:
  #   image: prom/alertmanager
  #   ports:
  #     - 9093:9093
  #   volumes:
  #     - alertmanager-config:/etc/alertmanager/
  #   networks:
  #     - back-tier
  #   command:
  #     - '-config.file=/etc/alertmanager/config.yml'
  #     - '-storage.path=/alertmanager'
  cadvisor:
    image: google/cadvisor
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    networks:
      - back-tier
    deploy:
      mode: global
  grafana:
    image: grafana/grafana
    depends_on:
      - prometheus
    ports:
      - 3000:3000
    volumes:
      - grafana-data:/var/lib/grafana
    env_file:
      - config.monitoring
    networks:
      - back-tier
      - front-tier