Monitoring Prometheus Grafana

Monitoring & Telemetry Stack

Comprehensive, lightweight monitoring stack for tracking host system health, container resource utilization, network uptime, and service latency.

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Telemetry Flowchart & Metrics Pipeline

flowchart TD subgraph Targets [Monitored Infrastructure Nodes] NodeExp["Node Exporter Host Metrics"] cAdv["cAdvisor Container Metrics"] NPMExp["Nginx Status Exporter"] AdGExp["AdGuard Home DNS Stats"] end subgraph MetricsCollector [Metrics Storage and Scraping] Prometheus["Prometheus Server Port 9090"] end subgraph DashboardAlerts [Visualization and Status Checkers] Grafana["Grafana Dashboards Port 3000"] Kuma["Uptime Kuma Status Checks"] Sophia["Sophia Radar Lab Health Overview"] end NodeExp --> Prometheus cAdv --> Prometheus NPMExp --> Prometheus AdGExp --> Prometheus Prometheus --> Grafana Kuma --> Targets Grafana --> Sophia

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Prometheus Configuration (prometheus.yml)

global:
  scrape_interval: 15s
  evaluation_interval: 15s

scrape_configs:
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']

  - job_name: 'node_exporter'
    static_configs:
      - targets: ['100.64.0.10:9100', '100.64.0.11:9100']

  - job_name: 'cadvisor'
    static_configs:
      - targets: ['100.64.0.10:8080']

  - job_name: 'nginx_proxy_manager'
    static_configs:
      - targets: ['100.64.0.10:9113']

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Full Docker Compose Telemetry Stack

version: '3.8'

services:
  prometheus:
    image: prom/prometheus:v2.45.0
    container_name: prometheus
    restart: unless-stopped
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus_data:/prometheus
    ports:
      - '9090:9090'

  grafana:
    image: grafana/grafana:10.0.0
    container_name: grafana
    restart: unless-stopped
    ports:
      - '3000:3000'
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=grafana_secure_admin_password
    volumes:
      - grafana_data:/var/lib/grafana

  node-exporter:
    image: prom/node-exporter:v1.6.0
    container_name: node-exporter
    restart: unless-stopped
    ports:
      - '9100:9100'

  cadvisor:
    image: gcr.io/cadvisor/cadvisor:v0.47.0
    container_name: cadvisor
    restart: unless-stopped
    ports:
      - '8080:8080'
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro

  uptime-kuma:
    image: louislam/uptime-kuma:1.22.1
    container_name: uptime-kuma
    restart: unless-stopped
    ports:
      - '3001:3001'
    volumes:
      - uptime_kuma_data:/app/data

volumes:
  prometheus_data:
  grafana_data:
  uptime_kuma_data: