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nixos/modules/common/configuration.nix
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beatzaplentyandClaude Sonnet 4.6 2f829ba3e7
Check NixOS configurations / eval-hosts (pull_request) Failing after 9m48s
refactor(ipa): move FreeIPA client to common config with auto-enrollment
modules/ipa/client.nix is now a self-contained NixOS module (no longer a
parameterized function): it checks builtins.pathExists for
secrets/<hostname>.keytab at eval time and enables itself automatically if
found, making it a no-op for hosts without a keytab.

modules/common/configuration.nix imports it so every host in the flake is
a candidate for IPA enrollment — no per-host wiring needed. Adding a
keytab (via scripts/ipa/create-nixos-ipa-host-account.sh) is now the
only step required to enroll a host.

The module also sets networking.domain and networking.nameservers via
mkDefault when active, so new hosts don't need those set explicitly.

Also:
- Remove explicit IPA imports from hosts/nix-cache and hosts/tailscale-router
- Add secrets/pxe-boot.keytab + creation rule; remove incorrect
  secrets/nixos.sweet.home.keytab and its creation rule
- Add .sops.yaml creation rules for all remaining host keytabs
  (server, docker, tor-relay, nix-minimal, nixos) so the creation script
  can target them without manual .sops.yaml edits
- Fix duplicate tailscale-router.keytab rule and corrupted gui.yaml comment
  block in .sops.yaml

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-07-28 11:15:59 +10:00

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{ config, lib, pkgs, vars, ... }:
{
imports =
[
# Include the results of the hardware scan.
# ./hardware-configuration.nix
./set-locale.nix
../ipa/client.nix
];
# Use the GRUB 2 boot loader.
# boot.loader.grub.enable = true;
#boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
# Recommended over the true default (bypasses ZFS's own import safeguards)
# per the option's own docs; matches hosts/docker/host.nix and
# modules/services/zfs/enable-service.nix, which already set this
# explicitly. Harmless no-op on hosts that don't use ZFS at all.
boot.zfs.forceImportRoot = false;
# Set your time zone.
time.timeZone = vars.timeZone;
# Enable QEMU agent
services.qemuGuest.enable = true;
# Enable docker-compose
environment.systemPackages = with pkgs; [
vim
btop
git
gcr
jq
];
# Secrets shared by every host, decrypted at activation via each host's
# existing SSH host key (sops-nix derives the age key from
# /etc/ssh/ssh_host_ed25519_key automatically — see modules/common/README
# or docs/ for the sops workflow). hashedPassword/hashedPasswordFile need
# neededForUsers so they're available before the normal secret-activation
# step, since user creation happens very early in boot.
sops = {
defaultSopsFile = ../../secrets/common.yaml;
secrets = {
"root-hashedPassword".neededForUsers = true;
"nixos-hashedPassword".neededForUsers = true;
"nix-github-token" = { };
};
# nix.conf doesn't support a *File-style option for access-tokens, so the
# token is rendered into a runtime-only file (never touches the Nix store)
# and pulled in via nix.conf's native !include directive.
templates."nix-github-token.conf".content = ''
access-tokens = github.com=${config.sops.placeholder."nix-github-token"}
'';
};
nix.extraOptions = ''
!include ${config.sops.templates."nix-github-token.conf".path}
'';
users = {
# With mutableUsers = false, update-users-groups.pl enforces hashedPasswordFile
# on every activation regardless of whether the account already exists in
# /etc/shadow. The default (true) only applies hashedPasswordFile to newly-
# created accounts — which means a freshly-built proxmox disk image (where
# activation runs without a usable sops key, so both accounts land in shadow
# with !) will never have its passwords fixed by subsequent boots.
mutableUsers = false;
users.root = {
hashedPasswordFile = config.sops.secrets."root-hashedPassword".path;
};
users.${vars.primaryUser} = {
isNormalUser = true;
extraGroups = [ "wheel" ]; # Enable sudo for the user.
packages = with pkgs; [
tree
];
hashedPasswordFile = config.sops.secrets."nixos-hashedPassword".path;
openssh.authorizedKeys.keys = [
vars.adminSshKey
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICMJhrfFayLBG+gWtO6oAvgambw5nWWgztiTFEaaaVRH debian@surface"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGygkCljN6uKpdJbHTOQtn8ZnH+wKXDLAwrDFbLrE/65 nixos@nixos"
];
};
};
# Enable the OpenSSH daemon.
services.openssh.enable = true;
#Enable flakes
nix.settings = {
experimental-features = [ "nix-command" "flakes" ];
auto-optimise-store = true;
};
programs.git = {
enable = true;
package = pkgs.git;
config = {
credential.helper = "store";
};
};
}