Observability Team Updates - Week 1-2

Hi everyone!

Below you’ll find the updates from the team for week 1 and 2.

The Team

The observability team at Canonical consists of Dylan, Jose, Leon, Luca, Pietro, Ryan, and Simme. Our goal is to provide you with the best open-source observability stack possible, turning your day-2 operations into smooth sailing.

COS Lite

COS Lite is a light-weight, highly-integrated observability suite, powered by python operators and running on Juju. Find more information on charmhub or go straight to github.


  • Created a charm for S3 Proxy (repo)
  • Dynamically create alert rules for NRPE targets (#31)
  • Add self-monitoring alert rules to Traefik for metrics and logs (#104)


  • Fix crashing Promtail builds (#224)
  • Fix documentation for the Grafana charm’s get-admin-password action (#164)
  • Fix ingress-relation-broken hook failures in the Grafana charm (#165)
  • Fix Grafana dashboard parsing for cases where all panels are enclosed in rows (#166)
  • Rework the project readme for Prometheus (#413)
  • Fix additional issues with using Grafana 9 dashboards with the Grafana charm (#170)
  • Fix invalid Loki alert rule label matching expressions (#228)
  • Fix Grafana Dashboard issue where the library throws an exception if the grafana datasource is used

Have a great week! :snowman: :snowflake: