From e3fe4e656cef9e16ce9389855aceba18fa93b2b0 Mon Sep 17 00:00:00 2001
From: Gonne <gonne@mathebau.de>
Date: Fri, 29 Nov 2024 11:55:58 +0100
Subject: [PATCH] Add Nodens, a VM to install NixOS VMs

---
 nixos/machines/nodens/configuration.nix       | 16 +++++++++
 .../nodens/hardware-configuration.nix         | 33 +++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 nixos/machines/nodens/configuration.nix
 create mode 100644 nixos/machines/nodens/hardware-configuration.nix

diff --git a/nixos/machines/nodens/configuration.nix b/nixos/machines/nodens/configuration.nix
new file mode 100644
index 0000000..b01e154
--- /dev/null
+++ b/nixos/machines/nodens/configuration.nix
@@ -0,0 +1,16 @@
+{pkgs, ...}: {
+  imports = [
+    ./hardware-configuration.nix
+    ../../roles
+    ../../roles/vm.nix
+    ../../modules/vmNetwork.nix
+  ];
+
+  # System configuration here
+
+  systemPackages = [pkgs.git];
+
+  networking.hostName = "nodens";
+  vmNetwork.ipv4 = "192.168.0.18";
+  system.stateVersion = "24.11";
+}
diff --git a/nixos/machines/nodens/hardware-configuration.nix b/nixos/machines/nodens/hardware-configuration.nix
new file mode 100644
index 0000000..0253296
--- /dev/null
+++ b/nixos/machines/nodens/hardware-configuration.nix
@@ -0,0 +1,33 @@
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [];
+
+  fileSystems."/" = {
+    device = "root";
+    fsType = "tmpfs";
+    options = ["size=1G" "mode=755"];
+  };
+  # Different than usual names in order to automount other VMs
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-label/nixosNodens";
+    fsType = "btrfs";
+    options = ["subvol=persist"];
+    neededForBoot = true;
+  };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-label/bootNodens";
+    fsType = "ext4";
+  };
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-label/nixosNodens";
+    fsType = "btrfs";
+    options = ["subvol=nix"];
+  };
+
+  #  swapDevices = [{device = "/dev/disk/by-uuid/TODO";}];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}