k3s.pro

This repo contains automation scripts for bootstrapping one of my homelab clusters.

Features

• K3s cluster
• Multi node cluster running on bare metal with Raspberry Pi (ARM) nodes
  • 1x Control Node — RPi 4 8GB RAM
  • 5x Agent Node — RPi 4 8GB RAM
• Storage using SSDs (via USB 3.0)
  • 6x Crucial 500GB SSD
  • Longhorn storage class for distributed storage
  • TRIM enabled for all SSDs
• Active + Passive cooling using heatsinks + 3 huge fans
  • Using this case: https://www.amazon.com/GeeekPi-Raspberry-Cluster-Stackable-12-Layers/dp/B08FH3V6GV
• Traefik ingress
• service-lb — the default LoadBalancer that comes with K3s
• cert-manager with ACME DNS challenge and subdomain provisioning
• DNS managed via DigitalOcean
• Provisioning done automatically via Ansible

Apps

All apps can be found on the dedicated GitOps repo for this cluster: https://github.com/dkarter/k3s-cluster-apps