version: '3.7'

services:
  init:
    image: alpine:latest
    command:
      - /bin/sh
      - -c
      - |
        wget --no-cache -q https://raw.githubusercontent.com/ethibox/stacks/master/configs/prometheus.yml -O /mnt/prometheus.yml
        wget --no-cache -q https://raw.githubusercontent.com/ethibox/stacks/master/configs/alertmanager.yml -O /mnt/alertmanager.yml
        wget --no-cache -q https://raw.githubusercontent.com/ethibox/stacks/master/configs/alert.rules.yml -O /mnt/alert.rules.yml
        wget --no-cache -q https://raw.githubusercontent.com/ethibox/stacks/master/configs/blackbox.yml -O /mnt/blackbox.yml
        sed -i -e 's/SMTP_HOST/'${SMTP_HOST:-mail.service.host:587}'/g' /mnt/alertmanager.yml
        sed -i -e 's/SMTP_FROM/'${SMTP_FROM:-noreply@ethibox.fr}'/g' /mnt/alertmanager.yml
        sed -i -e 's/SMTP_USERNAME/'${SMTP_USERNAME:-noreply@ethibox.fr}'/g' /mnt/alertmanager.yml
        sed -i -e 's/SMTP_PASSWORD/'${SMTP_PASSWORD:-myp@ssw0rd}'/g' /mnt/alertmanager.yml
        sed -i -e 's/SMTP_TO/'${SMTP_TO:-noreply@ethibox.fr}'/g' /mnt/alertmanager.yml
    volumes:
      - ${VOLUME_PATH}config:/mnt
    deploy:
      restart_policy:
        condition: on-failure

  prometheus:
    image: prom/prometheus:v2.18.1
    command:
      - --config.file=/etc/prometheus/prometheus.yml
      - --storage.tsdb.path=/prometheus
      - --storage.tsdb.retention.time=7d
      - --web.console.libraries=/usr/share/prometheus/console_libraries
      - --web.console.templates=/usr/share/prometheus/consoles
      - --web.route-prefix=/prometheus
      - --web.external-url=http://${DOMAIN:-monitoring.localhost}/prometheus
    volumes:
      - ${VOLUME_PATH}prometheus:/prometheus
      - ${VOLUME_PATH}config:/etc/prometheus/
    deploy:
      labels:
        - traefik.port=9090
        - traefik.enable=true
        - traefik.frontend.rule=Host:${DOMAIN:-monitoring.localhost};PathPrefix:/prometheus
        - traefik.frontend.auth.basic.users=admin:${HTPASSWD:?err}
      resources:
        limits:
          memory: 400M
        reservations:
          memory: 350M
    networks:
      - internal
      - traefik

  grafana:
    image: grafana/grafana:6.7.3
    user: root
    volumes:
      - ${VOLUME_PATH}grafana:/var/lib/grafana
    deploy:
      labels:
        - traefik.port=3000
        - traefik.enable=true
        - traefik.frontend.rule=Host:${DOMAIN:-monitoring.localhost}
    networks:
      - internal
      - traefik

  cadvisor:
    image: gcr.io/google-containers/cadvisor:v0.36.0
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    deploy:
      mode: global
      resources:
        limits:
          cpus: '0.5'
          memory: 128M
        reservations:
          cpus: '0.1'
          memory: 64M
    networks:
      - internal
      
  node-exporter:
    image: stefanprodan/swarmprom-node-exporter:v0.16.0
    volumes:
      - /sys:/host/sys:ro
      - /:/rootfs:ro
      - /proc:/host/proc:ro
      - /etc/hostname:/etc/nodename
    environment:
      - NODE_ID={{.Node.ID}}
    command:
      - '--path.sysfs=/host/sys'
      - '--path.procfs=/host/proc'
      - '--collector.textfile.directory=/etc/node-exporter/'
      - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)'
      - '--no-collector.ipvs'
    deploy:
      mode: global
      resources:
        limits:
          memory: 128M
        reservations:
          memory: 64M
    networks:
      - internal

  alertmanager:
    image: prom/alertmanager:v0.16.1
    command: --config.file=/etc/alertmanager/alertmanager.yml
    volumes:
      - ${VOLUME_PATH}config:/etc/alertmanager/
    networks:
      - internal

  blackbox-exporter:
    image: prom/blackbox-exporter:v0.14.0
    command: --config.file=/config/blackbox.yml
    volumes:
      - ${VOLUME_PATH}config:/config
    networks:
      - internal

volumes:
  config:
  grafana:
  prometheus:

networks:
  internal:
    driver: overlay
    attachable: true
  traefik:
    external: true
    name: traefik-net