version: "3.3"

networks:
  net:
    driver: overlay
    attachable: true

volumes:
    prometheus: {}
    grafana: {}
    alertmanager: {}

configs:
  caddy_config:
    file: ./caddy/Caddyfile
  dockerd_config:
    file: ./dockerd-exporter/Caddyfile
  node_rules:
    file: ./prometheus/rules/swarm_node.rules.yml
  task_rules:
    file: ./prometheus/rules/swarm_task.rules.yml

services:
  dockerd-exporter:
    image: stefanprodan/caddy
    networks:
      - net
    environment:
      - DOCKER_GWBRIDGE_IP=172.18.0.1
    configs:
      - source: dockerd_config
        target: /etc/caddy/Caddyfile
    deploy:
      mode: global
      resources:
        limits:
          memory: 128M
        reservations:
          memory: 64M

  cadvisor:
    image: google/cadvisor
    networks:
      - net
    command: -logtostderr -docker_only
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - /:/rootfs:ro
      - /var/run:/var/run
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    deploy:
      mode: global
      resources:
        limits:
          memory: 128M
        reservations:
          memory: 64M

  grafana:
    image: stefanprodan/swarmprom-grafana:5.3.4
    networks:
      - net
    environment:
      - GF_SECURITY_ADMIN_USER=${ADMIN_USER:-admin}
      - GF_SECURITY_ADMIN_PASSWORD=${ADMIN_PASSWORD:-admin}
      - GF_USERS_ALLOW_SIGN_UP=false
      #- GF_SERVER_ROOT_URL=${GF_SERVER_ROOT_URL:-localhost}
      #- GF_SMTP_ENABLED=${GF_SMTP_ENABLED:-false}
      #- GF_SMTP_FROM_ADDRESS=${GF_SMTP_FROM_ADDRESS:-grafana@test.com}
      #- GF_SMTP_FROM_NAME=${GF_SMTP_FROM_NAME:-Grafana}
      #- GF_SMTP_HOST=${GF_SMTP_HOST:-smtp:25}
      #- GF_SMTP_USER=${GF_SMTP_USER}
      #- GF_SMTP_PASSWORD=${GF_SMTP_PASSWORD}
    volumes:
      - grafana:/var/lib/grafana
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.role == manager
      resources:
        limits:
          memory: 128M
        reservations:
          memory: 64M

  alertmanager:
    image: stefanprodan/swarmprom-alertmanager:v0.14.0
    networks:
      - net
    environment:
      - SLACK_URL=${SLACK_URL:-https://hooks.slack.com/services/TOKEN}
      - SLACK_CHANNEL=${SLACK_CHANNEL:-general}
      - SLACK_USER=${SLACK_USER:-alertmanager}
    command:
      - '--config.file=/etc/alertmanager/alertmanager.yml'
      - '--storage.path=/alertmanager'
    volumes:
      - alertmanager:/alertmanager
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.role == manager
      resources:
        limits:
          memory: 128M
        reservations:
          memory: 64M

  unsee:
    image: cloudflare/unsee:v0.8.0
    networks:
      - net
    environment:
      - "ALERTMANAGER_URIS=default:http://alertmanager:9093"
    deploy:
      mode: replicated
      replicas: 1

  node-exporter:
    image: stefanprodan/swarmprom-node-exporter:v0.16.0
    networks:
      - net
    environment:
      - NODE_ID={{.Node.ID}}
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
      - /etc/hostname:/etc/nodename
    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

  prometheus:
    image: stefanprodan/swarmprom-prometheus:v2.5.0
    networks:
      - net
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--storage.tsdb.retention=${PROMETHEUS_RETENTION:-24h}'
    volumes:
      - prometheus:/prometheus
    configs:
      - source: node_rules
        target: /etc/prometheus/swarm_node.rules.yml
      - source: task_rules
        target: /etc/prometheus/swarm_task.rules.yml
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.role == manager
      resources:
        limits:
          memory: 2048M
        reservations:
          memory: 128M

  caddy:
    image: stefanprodan/caddy
    ports:
      - "3000:3000"
      - "9090:9090"
      - "9093:9093"
      - "9094:9094"
    networks:
      - net
    environment:
      - ADMIN_USER=${ADMIN_USER:-admin}
      - ADMIN_PASSWORD=${ADMIN_PASSWORD:-admin}
    configs:
      - source: caddy_config
        target: /etc/caddy/Caddyfile
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.role == manager
      resources:
        limits:
          memory: 128M
        reservations:
          memory: 64M
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:3000"]
      interval: 5s
      timeout: 1s
      retries: 5
