Files
cc-ci-orchestrator/archive/nix/cc-ci-orchestrator-hetzner/hardware.nix
T
notplantsandClaude Fable 5.1 31af820079 nix: one Hetzner host for the CI server + the orchestrator (#cc-ci)
The orchestrator's flake now builds the machine it shares with the cc-ci CI
server: `nixosConfigurations.cc-ci` composes cc-ci's nixosModules.cc-ci-server
(new flake input, nixpkgs + sops-nix follow ours), this repo's orchestrator
module (nix/modules/cc-ci.nix, exported as cc-ci-orchestrator, `cc-ci` kept
as an alias for notplants-nix) and the new nix/modules/orchestrator-host.nix
— the host contract those units always assumed (loops user, claude/opencode
CLIs, opencode web server + tailnet-only UI on 8443 since traefik owns
80/443, nix-ld, tool set, `ssh cc-ci` → loopback).

nix/hosts/cc-ci/{hardware,networking}.nix are PROVISIONAL copies of the old
server's layout so the flake evaluates; they get replaced by the
nixos-infect output of 195.201.88.249.

README.md is the deploy guide (Hetzner Debian → nixos-infect → this flake →
staging → data restore → cutover). archive/ holds the retired Incus/Hetzner
orchestrator host configs, the old terraform and the migration plans;
references updated. cc-ci-plan/plan-cc-ci-combined-host.md is the working
plan for the move.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FqkQq3CDmFWcQ7u1LzoyRz
2026-09-07 19:58:33 +00:00

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Nix

{ modulesPath, ... }:
{
imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
boot.loader = {
efi.efiSysMountPoint = "/boot/efi";
grub = {
efiSupport = true;
efiInstallAsRemovable = true;
device = "nodev";
};
};
fileSystems."/boot/efi" = { device = "/dev/disk/by-uuid/39A5-C7B9"; fsType = "vfat"; };
boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
boot.initrd.kernelModules = [ "nvme" ];
fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
# 150G Hetzner volume (scsi-0HC_Volume_106342723) — holds the Rust build trees, which repeatedly
# filled the 75G root. A full disk here does NOT error: it silently truncates whatever is being
# written (it destroyed a plan file mid-write before anyone noticed).
#
# by-uuid, not /dev/sdb: device names are not stable across reboots and attaching another volume
# would silently mount the wrong disk here.
#
# nofail is REQUIRED, not decoration: without it, a detached/failed volume makes the mount unit a
# boot dependency, systemd drops to emergency mode, and the box comes up WITHOUT SSH. That failure
# has already happened once on this host from a bad nixos config, and it needed a recovery to the
# previous generation. The build cache is not worth risking access to the machine.
fileSystems."/mnt/data" = {
device = "/dev/disk/by-uuid/16cd6650-1399-4cb9-a696-54b70d83203a";
fsType = "ext4";
options = [ "defaults" "nofail" "x-systemd.device-timeout=10s" ];
};
}