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mDNS service discovery for prometherus
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README.md

mDNS service discovery for Prometheus

Discovers mDNS/ZeroConf/Bonjour service announcements under _prometheus-http._tcp for ad-hoc discovery of devices on LAN networks.

Usage

Run the service discovery daemon

prometheus-mdns-sd-rs /etc/prometheus/mdns-sd.json

Configure prometheus to use the output file

- job_name: mdns-sd
  scrape_interval: 30s
  scrape_timeout: 10s
  metrics_path: /metrics
  scheme: http
  file_sd_configs:
  - files:
    - /etc/prometheus/mdns-sd.json
    refresh_interval: 5m

Advertising services

An example of advertising services using the esp8266 arduino sdk

if (!MDNS.begin(hostString)) {
    Serial.println("Error setting up MDNS responder!");
}
MDNS.addService("prometheus-http", "tcp", 80);
MDNS.addServiceTxt("prometheus-http", "tcp", "name", prometheus_name);

Credits

Wholly inspired by prometheus-mdns-sd by Morten Siebuhr