monitoring/compose.dex.yml

version: '3.8'

# DEX Extension for Lux Monitoring Stack
# This file extends the main monitoring stack with DEX-specific services

services:
  # Extend Prometheus with DEX scrape configs
  prometheus:
    volumes:
      - ./prometheus/dex-prometheus.yml:/etc/prometheus/dex-prometheus.yml:ro
      - ./prometheus/dex-rules.yml:/etc/prometheus/dex-rules.yml:ro
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--config.file=/etc/prometheus/dex-prometheus.yml'  # Add DEX config
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
      - '--web.enable-lifecycle'
      - '--storage.tsdb.retention.time=30d'

  # Extend Grafana with DEX dashboards
  grafana:
    volumes:
      - ./grafana/dashboards/dex:/var/lib/grafana/dashboards/dex:ro
    environment:
      - GF_INSTALL_PLUGINS=grafana-clock-panel,grafana-simple-json-datasource,grafana-piechart-panel,grafana-worldmap-panel

  # DEX-specific exporters
  dex-exporter:
    image: prom/node-exporter:latest
    container_name: lux-dex-exporter
    restart: unless-stopped
    ports:
      - "9101:9100"
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
      - '--collector.netdev.device-exclude=^(veth.*|docker.*|br-.*)$$'
      - '--collector.diskstats.device-exclude=^(ram|loop|fd)\\d+$$'
    networks:
      - lux-monitoring
      - dex-network
    labels:
      component: "dex"
      chain: "x-chain"

  # Custom DEX metrics aggregator
  dex-metrics-aggregator:
    image: alpine:latest
    container_name: lux-dex-metrics
    restart: unless-stopped
    volumes:
      - ./scripts/dex-metrics.sh:/usr/local/bin/dex-metrics.sh:ro
    command: >
      sh -c "
        apk add --no-cache curl jq &&
        while true; do
          # Collect DEX metrics from various endpoints
          curl -s http://lux-dex-node:8080/metrics > /tmp/dex-metrics.txt
          curl -s http://lux-dex-node:8080/consensus/metrics >> /tmp/dex-metrics.txt
          curl -s http://lux-dex-node:8080/metrics/hft >> /tmp/dex-metrics.txt
          
          # Parse and format for Prometheus
          cat /tmp/dex-metrics.txt | grep -E '^dex_' > /metrics/dex.prom
          
          sleep 10
        done
      "
    networks:
      - lux-monitoring
      - dex-network

  # Vector for high-performance log aggregation
  vector:
    image: timberio/vector:latest-alpine
    container_name: lux-dex-vector
    restart: unless-stopped
    ports:
      - "8686:8686"  # Vector API
    volumes:
      - ./vector/vector.toml:/etc/vector/vector.toml:ro
      - /var/log:/var/log:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
    command: ["--config", "/etc/vector/vector.toml"]
    networks:
      - lux-monitoring
      - dex-network

  # Jaeger for distributed tracing
  jaeger:
    image: jaegertracing/all-in-one:latest
    container_name: lux-dex-jaeger
    restart: unless-stopped
    ports:
      - "5775:5775/udp"   # Zipkin compact
      - "6831:6831/udp"   # Jaeger compact
      - "6832:6832/udp"   # Jaeger binary
      - "5778:5778"       # Config
      - "16686:16686"     # Jaeger UI
      - "14268:14268"     # Jaeger collector
      - "14250:14250"     # gRPC
    environment:
      - COLLECTOR_ZIPKIN_HOST_PORT=:9411
      - COLLECTOR_OTLP_ENABLED=true
    networks:
      - lux-monitoring
      - dex-network

  # cAdvisor for container metrics
  cadvisor:
    image: gcr.io/cadvisor/cadvisor:latest
    container_name: lux-dex-cadvisor
    restart: unless-stopped
    ports:
      - "8088:8080"
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
      - /dev/disk/:/dev/disk:ro
    privileged: true
    devices:
      - /dev/kmsg
    networks:
      - lux-monitoring

networks:
  dex-network:
    external: true
    name: dex_dex-network