homelab

This is my configuration for local k3s cluster.

Blog posts

https://mkaciuba.com/blog/posts/homelab-2022-part-1/

https://mkaciuba.com/blog/posts/homelab-2022-part-2/

Image gallery

https://imgur.com/a/QzCcYQ8

Hardware

Compute:

• 4x RPi 4b 8GB RAM
• 2x RPi 4b 4GB RAM
• 2x AtomicPi
• 2x Cubieboard2
• 1x Lenovo T460

Network:

• Ubiquiti ER-10X EDGEMAX
• Ubiquiti UniFi US-8-60W

Network diagram:

Power supply:

• ATX ModeCom B88 500W

Project structure

Project is divided by technology used for config.

Ansible

Here you can find ansible playbook used for setup nodes and network. Folders:

• basic - here is basic configuration DNS, NFS client lib, script for controlling temperatur
• edgerouter - BGP configuration for ubiquiti edgerouter (adding nodes from cluster)
• k3s-ansible - copy-paste of ansible module to install k3s

helmfile

Core infra that is installed to my cluster is managed by helmfile. Those components are:

• metallb - network loadbalancer for bare metal k8s
• prometheus, grafana, loki - for monitoring
• traefik for ingress
• nfs PVC provisioner
• cert-manager
• banzai vault-operator - for secret storage
• argocd - for apps deployment
• mariadb-operator - for managment of MariaDB

argo-apps

Helm charts for all of apps that are running inside of my cluster