mitchross / k3s-cluster

K3S cluster deployed with Ansible.

k3s-cluster

K3S high-availability cluster, deployed with Ansible.

Hardware

• 8 x Raspberry Pi 4B with 8GB RAM
• 8 x Samsung PM883 240GB SSD, connected to same USB port
• 8 x SLK Tech Sata to USB cable
• UniFi UDM-SE cloud gateway, for dedicated network management
• UniFi USW-Pro-24-POE switch, powering the Raspberry Pi's

Used Technologies

• ArgoCD
• Cilium
• Cloudflare Let's Encrypt certificates deployed with cert-manager
• External DNS
• HAProxy load balancer for control-planes
• K3S production ready deployment
• Kured
• Longhorn
• Prometheus Stack
• Renovate
• Ubuntu Server LTS with unattended upgrades enabled

TODO

• Automate the k3s cluster upgrades, chart upgrades are functional
• Update Renovate configuration, for automated version upgrades
• Finalize documentation

Wiki

Visit the Wiki, for detailed configuration instructions.