Monitoring & Logging

Set up monitoring and logging for FabConnect.

Monitoring

Prometheus Metrics

FabConnect exposes metrics at /metrics:

# HELP fabconnect_equipment_connected Number of connected equipment
# TYPE fabconnect_equipment_connected gauge
fabconnect_equipment_connected 24

# HELP fabconnect_messages_total Total SECS messages
# TYPE fabconnect_messages_total counter
fabconnect_messages_total{stream="1",function="13"} 1234

Grafana Dashboard

Import dashboard ID: 12345 from Grafana.com

Logging

Configuration

yaml

logging:
  level: info
  format: json
  output: stdout

Log Levels

debug: Detailed debugging
info: Normal operations
warn: Warnings
error: Errors only

Log Aggregation

Works with:

ELK Stack (Elasticsearch, Logstash, Kibana)
Loki + Grafana
Datadog
Splunk

Example Log

json

{
  "level": "info",
  "ts": "2025-12-07T10:30:00Z",
  "msg": "Equipment connected",
  "equipment_id": "eq_123",
  "ip": "192.168.1.100"
}