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Ryan Yin cf2435e854 chore(hosts): retire the k3s cluster on the physical hosts

The physical hosts no longer need k3s or KubeVirt: aquamarine runs
natively, the k3s-test masters run as microVMs and kana/ruby under
libvirt. So drop the host cluster and split the shared parts out of the
KubeVirt host module:

- lib/genVmHostModule.nix: the host bits the VMs still need (br0 + the
  physical NIC as a bridge port, KVM, sysctls, earlyoom, libvirt,
  journald, stateVersion)
- the three hosts use it and drop genK3sServerModule; also drop the
  longhorn workarounds (openiscsi + the /usr/local/bin tmpfile) and the
  virtctl package
- remove lib/genKubeVirtHostModule.nix

2026-09-21 16:57:42 +08:00

..

attrs.nix

feat: format via 'ls **/*.nix | each { |it| nixfmt $it.name }'

2025-07-30 12:17:24 +08:00

colmenaSystem.nix

feat: format via 'ls **/*.nix | each { |it| nixfmt $it.name }'

2025-07-30 12:17:24 +08:00

default.nix

chore(hosts): retire the k3s cluster on the physical hosts

2026-09-21 16:57:42 +08:00

genK3sAgentModule.nix

feat: format via 'ls **/*.nix | each { |it| nixfmt $it.name }'

2025-07-30 12:17:24 +08:00

genK3sServerModule.nix

security: hardening pass 1 (AppArmor, firewall default, loopback metrics, k3s perms, SSH X11) (#266 )

2026-08-27 00:13:01 +08:00

genKubeVirtGuestModule.nix

feat(kubevirt): cap journald disk usage on all VMs

2026-09-20 22:22:50 +08:00

genLibvirtDomainXml.nix

feat(vms): migrate the idol desktops from KubeVirt to libvirt (#287 )

2026-09-21 15:12:37 +08:00

genMicrovmGuestModule.nix

feat(microvm): make the guest volume sizes configurable

2026-09-21 16:37:53 +08:00

genVmHostModule.nix

chore(hosts): retire the k3s cluster on the physical hosts

2026-09-21 16:57:42 +08:00

macosSystem.nix

feat: format via 'ls **/*.nix | each { |it| nixfmt $it.name }'

2025-07-30 12:17:24 +08:00

nixosSystem.nix

chore: replace nixos-generators image outputs

2026-06-14 14:10:08 +08:00

README.md

feat: update docs via LLM (#216 )

2025-08-21 15:32:50 +08:00

README.md

Library

This directory contains helper functions used by flake.nix to reduce code duplication and make it easier to add new machines.

Current Functions

Core System Generators

attrs.nix - Attribute set manipulation utilities
macosSystem.nix - macOS configuration generator for nix-darwin
nixosSystem.nix - NixOS configuration generator
colmenaSystem.nix - Remote deployment configuration for colmena

Specialized Module Generators

genK3sAgentModule.nix - K3s agent node configuration generator
genK3sServerModule.nix - K3s server node configuration generator
genKubeVirtGuestModule.nix - KubeVirt guest VM configuration generator
genKubeVirtHostModule.nix - KubeVirt host configuration generator

Entry Point

default.nix - Main entry point that imports all functions and exports them as a single attribute set

Usage

These functions are designed to:

Generate consistent configurations across different architectures
Provide type-safe configuration for complex systems
Enable easy scaling of the infrastructure
Support both local development and production deployments

Architecture Support

x86_64-linux: Primary desktop systems
aarch64-linux: ARM64 Linux systems (Apple Silicon, SBCs)
aarch64-darwin: Apple Silicon macOS systems