hosts: add skrot

Co-authored-by: System administrator <root@skrot.pvv.ntnu.no>
Reviewed-on: https://git.pvv.ntnu.no/Drift/pvv-nixos-config/pulls/124
Co-authored-by: Vegard Bieker Matthey <VegardMatthey@protonmail.com>
Co-committed-by: Vegard Bieker Matthey <VegardMatthey@protonmail.com>

hosts/skrot/configuration.nix

@@ -0,0 +1,63 @@
+{
+  fp,
+  lib,
+  config,
+  values,
+  ...
+}:
+
+{
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    ./disk-config.nix
+    (fp /base)
+  ];
+
+  boot.consoleLogLevel = 0;
+
+  sops.defaultSopsFile = fp /secrets/skrot/skrot.yaml;
+
+  systemd.network.networks."enp2s0" = values.defaultNetworkConfig // {
+    matchConfig.Name = "enp2s0";
+    address = with values.hosts.skrot; [
+      (ipv4 + "/25")
+      (ipv6 + "/64")
+    ];
+  };
+
+  sops.secrets = {
+    "dibbler/postgresql/password" = {
+      owner = "dibbler";
+      group = "dibbler";
+    };
+  };
+
+  services.dibbler = {
+    enable = true;
+    kioskMode = true;
+    limitScreenWidth = 80;
+    limitScreenHeight = 42;
+
+    settings = {
+      general.quit_allowed = false;
+      database = {
+        type = "postgresql";
+        postgresql = {
+          username = "pvv_vv";
+          dbname = "pvv_vv";
+          host = "postgres.pvv.ntnu.no";
+          password_file = config.sops.secrets."dibbler/postgresql/password".path;
+        };
+      };
+    };
+  };
+
+  systemd.services."serial-getty@ttyUSB0" = lib.mkIf (!config.virtualisation.isVmVariant) {
+    enable = true;
+    wantedBy = [ "getty.target" ]; # to start at boot
+    serviceConfig.Restart = "always"; # restart when session is closed
+  };
+
+  system.stateVersion = "25.11"; # Did you read the comment? Nah bro
+}

hosts/skrot/disk-config.nix

@@ -0,0 +1,41 @@
+{
+  disko.devices = {
+    disk = {
+      main = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              type = "EF00";
+              size = "1G";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            plainSwap = {
+              size = "8G";
+              content = {
+                type = "swap";
+                discardPolicy = "both";
+                resumeDevice = false;
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/skrot/hardware-configuration.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/skrott/configuration.nix

@@ -59,7 +59,7 @@
   # zramSwap.enable = true;
 
   networking = {
-    hostName = "skrot";
+    hostName = "skrott";
     defaultGateway = values.hosts.gateway;
     defaultGateway6 = values.hosts.gateway6;
     interfaces.eth0 = {