Help: I want to configure Node-RED for monitoring with Prometheus and Node Exporter | Docker

Please help: I want to configure Node-RED for monitoring with Prometheus and Node Exporter

The goal is to monitor Node-RED server and Prometheus server and follow if they work correctly, and visual there metrics in Garana.

I am using docker to run Node-RED and Grafana and Prometheus and Node Exporter.
This is docker-compose.yml :

version: '3'

services:

  grafana:
    image: grafana/grafana-enterprise
    container_name: grafana
    ports:
      - "3000:3000"
    depends_on:
      - influxdb
    networks:
      - iot-network
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_INSTALL_PLUGINS=
    volumes:
      - grafana_data:/var/lib/grafana

  nodered:
    image: nodered/node-red:latest
    container_name: nodered
    ports:
      - "1880:1880"
    networks:
      - iot-network

  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    ports:
    - 9090:9090
    command:
    - --config.file=/etc/prometheus/prometheus.yml
    volumes:
    - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
    depends_on:
    - node_exporter
    networks:
      - iot-network

  node_exporter:
    image: quay.io/prometheus/node-exporter:latest
    container_name: node_exporter
    ports:
    - 9100:9100
    command:
      - '--path.rootfs=/host'
    volumes:
      - '/:/host:ro,rslave'
    networks:
      - iot-network

networks:
  iot-network:
    driver: bridge

volumes: 
  grafana_data: {}

and this is prometheus.yml :

global:
  scrape_interval: 5s

scrape_configs:
  - job_name: 'prometheus' # no problems, it works
    static_configs:
      - targets: ['prometheus:9090']

  - job_name: 'node_exporter' # no problems, it works
    static_configs:
      - targets: ['node_exporter:9100']

  - job_name: 'nodered' # !!! NOT works !!!
    static_configs:
      - targets: ['nodered:1880']

  - job_name: 'grafana' # no problems, it works
    static_configs:
      - targets: ['grafana:3000']

the docker-compose.yml and prometheus.yml are in the same folder.
then I run docker-compose up , and create the containers,

but I have problem with Node-RED server:
this image from web interface of prometheus http://localhost:9090/targets :

I don't think that, by default, node-red exposes metrics...
You would have to install node-red-contrib-prometheus-exporter (node) - Node-RED and configure the metrics you want to get in prometheus.

1 Like

Thank you @greengolfer for your response. I appreciate it.
I will explore the option of using node-red-contrib-prometheus-exporter (node) for Node-RED.
Thanks again!

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