Project Syn: System Upgrade Controller OS Package Upgrade Script

Script for running OS upgrades. Companion to System Upgrade Controller.

Also contains a sample Grafana Dashboard and some bootstrapping scripts to setup a k3s cluster and a plan to invoke for Ubuntu.

The Grafana folder contains an example dashboard for SUC monitoring. Requires a working Prometheus/Grafana setup.

testing contains some scripts and test objects useful for development and, you guessed it, testing.

Usage

/scripts/run.sh [-u] [-s] [pushgateway_url]

Arguments:

• -p: Don't run apt-get update during maintenance window, but use cached package lists from Docker image.
• -s: Don't override the sources.list on the host with the one from the docker image.
• pushgateway_url: URL of Prometheus pushgateway. Used to push detailed upgrade job metrics into Prometheus.

Docker images

Images are avaiable on DockerHub for

• Ubuntu Bionic

• Ubuntu Focal

• Ubuntu Jammy

• Every Monday, at 9:00 UTC new images are built and pushed to DockerHub using the date (formatted as YYYYMMDD) as the tag.

• On pushes to master, images are built and pushed to DockerHub using tag latest.