Node Exporter Secure

This is a custom API written with FastAPI Python framework that forwards Prometheus Node-Exporter metrics data over secured endpoint with Bearer Auth

Installation

Docker-Compose

Fully complete docker-compose.yml ready to deploy, you only need to update API_BEARER_TOKEN env variable

services:
  node-exporter:
      image: quay.io/prometheus/node-exporter:latest
      container_name: node-exporter
      command:
        - '--path.rootfs=/host'
      pid: host
      restart: unless-stopped
      volumes:
        - /:/host:ro,rslave

  api:
    image: abelodev/node-exporter-secure:latest
    container_name: node-exporter-secure
    environment:
      API_BEARER_TOKEN: "token"
    command: ["sh", "-c", "uvicorn app.main:app --host=0.0.0.0 --port=8000"]
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://node-exporter-secure:8000/debug/healthcheck"]
      interval: 1m
      timeout: 10s
    ports:
      - "9100:8000"
    depends_on:
      - node-exporter

Environment Variables

• ENV - DEV or PROD. Production env disables /docs, /redoc and /openapi.json endpoints. PROD is set by default.
• API_BEARER_TOKEN - Your Bearer token auth
• METRICS_ROUTE - Metrics route. Default set to /metrics
• NODE_EXPORTER_METRICS_PATH - Node-Exporter endpoint path. Default set to http://node-exporter:9100/metrics