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Jean-Laurent Girod

PROFILE

Jean-laurent Girod

Developed a Prometheus Metrics Exporter for ModemManager cellular signal metrics within the openwrt/packages repository, focusing on scalable observability for multi-modem OpenWrt deployments. Leveraging Lua scripting and Prometheus integration, the exporter collects and exposes overall and per-technology signal quality metrics by querying mmcli and labeling each modem via its D-Bus object path. The implementation adheres to Prometheus and OpenWrt best practices, supporting technologies such as LTE, NR5G, UMTS, GSM, and CDMA. Functionality was validated on hardware including ath79/generic and GL.inet GL-X300B, enabling proactive network monitoring, faster issue diagnosis, and improved capacity planning for cellular-enabled environments.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
62
Activity Months1

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026: Implemented a Prometheus Metrics Exporter for ModemManager cellular signal metrics in openwrt/packages, delivering scalable observability for multi-modem deployments. The Prometheus collector exports overall signal quality and per-technology metrics (LTE, NR5G, UMTS, GSM, CDMA, etc.) by querying mmcli and labeling modems by their D-Bus object path. The exporter follows Prometheus and OpenWrt best practices; enablement relies on modem signal-refresh (mmcli -m <id> --signal-setup=<interval>). Tested on devices such as ath79/generic and GL.inet GL-X300B, with compatibility demonstrated on OpenWrt 23.05.5. This work enables proactive monitoring, faster issue diagnosis, and informed capacity planning, reinforcing network reliability for cellular-enabled OpenWrt deployments.

Activity

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Quality Metrics

Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Lua

Technical Skills

Lua scriptingPrometheusnetwork monitoring

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

openwrt/packages

May 2026 May 2026
1 Month active

Languages Used

Lua

Technical Skills

Lua scriptingPrometheusnetwork monitoring