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My Personal Infra Repo

This is my infrastructure-as-code repo for my homelab and other self-hosted stuff. Some more sensitive stuff is in private submodules, so a lot of things won't work out of the box.

Quick tour

At a high level, the setup involves:

  • A router running vyos, managed by Ansible.
  • A couple of Raspberry Pis (the netsvc boxes) that run DNS and some other networking-related things, also managed through Ansible.
  • A bare-metal Kubernetes cluster that's a bit more exotic:
    • The nodes run Flatcar Linux, which are netbooted through iPXE with Matchbox (running on one of the Raspberry Pis).
    • Matchbox is configured through Terraform.
    • The Kubernetes configuration is all managed by Flux.
    • There are a few VMs running on KubeVirt, including a TrueNAS storage box.

Interesting Paths

Some places to start:

  • /ansible: This includes a bunch of Ansible roles and modules. There are some roles for Pi-hole DNS setup (with keepalived-based failover), tangd servers, and VyOS router configuration.
  • /terraform-modules: This includes some Terraform modules (the top-level terraform module is private, unfortunately). The most interesting modules are flatcar_k8s_cluster and flatcar_k8s_node, which declaratively set up bare-metal Flatcar Linux Kubernetes worker nodes to be provisioned over netboot.
  • /k8s/deploy: This is where the FluxCD declarative for my homelab Kubernetes cluster, which is where almost everything I run ends up going.

For some more deep dives into how things work, check out my blog.