fix daemon things for worblehat

This fixes issues with rebuilding georg and brzeczyszczykiewicz.

Reviewed-on: https://git.pvv.ntnu.no/Drift/pvv-nixos-config/pulls/128
Reviewed-by: Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>
Co-authored-by: Vegard Bieker Matthey <VegardMatthey@protonmail.com>
Co-committed-by: Vegard Bieker Matthey <VegardMatthey@protonmail.com>

.sops.yaml

@@ -22,6 +22,7 @@ keys:
   - &host_lupine-5 age199zkqq4jp4yc3d0hx2q0ksxdtp42xhmjsqwyngh8tswuck34ke3smrfyqu
   - &host_skrott age1lpkju2e053aaddpgsr4ef83epclf4c9tp4m98d35ft2fswr8p4tq2ua0mf
   - &host_ustetind age1hffjafs4slznksefmtqrlj7rdaqgzqncn4un938rhr053237ry8s3rs0v8
+  - &host_skrot age1hzkvnktkr8t5gvtq0ccw69e44z5z6wf00n3xhk3hj24emf07je5s6q2evr
 
 creation_rules:
   # Global secrets
@@ -147,3 +148,15 @@ creation_rules:
       - *user_vegardbm
       pgp:
       - *user_oysteikt
+  - path_regex: secrets/skrot/[^/]+\.yaml$
+    key_groups:
+    - age:
+      - *host_skrot
+      - *user_danio
+      - *user_felixalb
+      - *user_pederbs_sopp
+      - *user_pederbs_nord
+      - *user_pederbs_bjarte
+      - *user_vegardbm
+      pgp:
+      - *user_oysteikt

README.md

@@ -43,7 +43,7 @@ revert the changes on the next nightly rebuild (tends to happen when everybody i
 | [kommode][kom]             | Virtual  | Gitea + Gitea pages                                       |
 | [lupine][lup]              | Physical | Gitea CI/CD runners                                       |
 |  shark                     | Virtual  | Test host for authentication, absolutely horrendous       |
-| [skrott][skr]              | Physical | Kiosk, snacks and soda                                    |
+| [skrot/skrott][skr]        | Physical | Kiosk, snacks and soda                                    |
 | [wenche][wen]              | Virtual  | Nix-builders, general purpose compute                     |
 
 ## Documentation

base/services/acme.nix

@@ -2,7 +2,7 @@
 {
   security.acme = {
     acceptTerms = true;
-    defaults.email = "drift@pvv.ntnu.no";
+    defaults.email = "acme-drift@pvv.ntnu.no";
   };
 
   # Let's not spam LetsEncrypt in `nixos-rebuild build-vm` mode:

flake.lock

@@ -124,6 +124,27 @@
         "url": "https://git.pvv.ntnu.no/Grzegorz/grzegorz-clients.git"
       }
     },
+    "libdib": {
+      "inputs": {
+        "nixpkgs": [
+          "worblehat",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1769338528,
+        "narHash": "sha256-t18ZoSt9kaI1yde26ok5s7aFLkap1Q9+/2icVh2zuaE=",
+        "ref": "refs/heads/main",
+        "rev": "7218348163fd8d84df4a6f682c634793e67a3fed",
+        "revCount": 13,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/libdib.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/libdib.git"
+      }
+    },
     "matrix-next": {
       "inputs": {
         "nixpkgs": [
@@ -195,11 +216,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767906352,
+        "lastModified": 1770960722,
-        "narHash": "sha256-wYsH9MMAPFG3XTL+3DwI39XMG0F2fTmn/5lt265a3Es=",
+        "narHash": "sha256-IdhPsWFZUKSJh/nLjGLJvGM5d5Uta+k1FlVYPxTZi0E=",
         "ref": "main",
-        "rev": "d054c5d064b8ed6d53a0adb0cf6c0a72febe212e",
+        "rev": "c2e4aca7e1ba27cd09eeaeab47010d32a11841b2",
-        "revCount": 13,
+        "revCount": 15,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git"
       },
@@ -353,7 +374,8 @@
         "pvv-nettsiden": "pvv-nettsiden",
         "qotd": "qotd",
         "roowho2": "roowho2",
-        "sops-nix": "sops-nix"
+        "sops-nix": "sops-nix",
+        "worblehat": "worblehat"
       }
     },
     "roowho2": {
@@ -461,6 +483,28 @@
         "repo": "sops-nix",
         "type": "github"
       }
+    },
+    "worblehat": {
+      "inputs": {
+        "libdib": "libdib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1770887951,
+        "narHash": "sha256-6LGqM9yhONtfCXHtPNn3S0GFsmB2dCchyozHDevwmiQ=",
+        "ref": "main",
+        "rev": "911063041f24d594a772a2a699d71d3d94953ce8",
+        "revCount": 101,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/worblehat.git"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/worblehat.git"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -23,6 +23,9 @@
     dibbler.url = "git+https://git.pvv.ntnu.no/Projects/dibbler.git?ref=main";
     dibbler.inputs.nixpkgs.follows = "nixpkgs";
 
+    worblehat.url = "git+https://git.pvv.ntnu.no/Projects/worblehat.git?ref=main";
+    worblehat.inputs.nixpkgs.follows = "nixpkgs";
+
     matrix-next.url = "github:dali99/nixos-matrix-modules/v0.8.0";
     matrix-next.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -94,7 +97,6 @@
         }:
         let
           commonPkgsConfig = {
-            inherit localSystem crossSystem;
             config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg)
               [
                 "nvidia-x11"
@@ -104,8 +106,11 @@
               # Global overlays go here
               inputs.roowho2.overlays.default
             ]) ++ overlays;
-          };
+          } // (if localSystem != crossSystem then {
-
+            inherit localSystem crossSystem;
+          } else {
+            system = crossSystem;
+          });
           pkgs = import nixpkgs commonPkgsConfig;
           unstablePkgs = import nixpkgs-unstable commonPkgsConfig;
         in
@@ -184,6 +189,18 @@
       };
       ildkule = stableNixosConfig "ildkule" { };
       #ildkule-unstable = unstableNixosConfig "ildkule" { };
+      skrot = stableNixosConfig "skrot" {
+        modules = [
+          self.nixosModules.drumknotty
+          inputs.disko.nixosModules.disko
+          inputs.dibbler.nixosModules.default
+          inputs.worblehat.nixosModules.default
+        ];
+        overlays = [
+          inputs.dibbler.overlays.default
+          inputs.worblehat.overlays.default
+        ];
+      };
       shark = stableNixosConfig "shark" { };
       wenche = stableNixosConfig "wenche" { };
       temmie = stableNixosConfig "temmie" { };
@@ -278,6 +295,7 @@
       rsync-pull-targets = ./modules/rsync-pull-targets.nix;
       snakeoil-certs = ./modules/snakeoil-certs.nix;
       snappymail = ./modules/snappymail.nix;
+      drumknotty = ./modules/drumknotty.nix;
     };
 
     devShells = forAllSystems (system: {

hosts/bicep/services/matrix/livekit.nix

@@ -43,7 +43,7 @@ in
     keyFile = config.sops.templates."matrix-livekit-keyfile".path;
   };
 
-  systemd.services.lk-jwt-service.environment.LIVEKIT_FULL_ACCESS_HOMESERVERS = lib.mkIf cfg.enable matrixDomain;
+  systemd.services.lk-jwt-service.environment.LIVEKIT_FULL_ACCESS_HOMESERVERS = lib.mkIf cfg.enable (builtins.concatStringsSep "," [ "pvv.ntnu.no" "dodsorf.as" ]);
 
   services.nginx.virtualHosts.${matrixDomain} = lib.mkIf cfg.enable {
     locations."^~ /livekit/jwt/" = {

hosts/bicep/services/matrix/out-of-your-element.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, fp, ... }:
+{ config, pkgs, lib, values, fp, ... }:
 let
   cfg = config.services.matrix-ooye;
 in
@@ -28,6 +28,23 @@ in
     };
   };
 
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations."/var/lib/private/matrix-ooye" = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE5koYfor5+kKB30Dugj3dAWvmj8h/akQQ2XYDvLobFL matrix_ooye rsync backup";
+    };
+  };
+
   services.matrix-ooye = {
     enable = true;
     homeserver = "https://matrix.pvv.ntnu.no";

hosts/kommode/services/gitea/customization/default.nix

@@ -10,6 +10,59 @@ in
     catppuccin = pkgs.gitea-theme-catppuccin;
   };
 
+  services.gitea.settings = {
+    ui = {
+      DEFAULT_THEME = "gitea-auto";
+      REACTIONS = lib.concatStringsSep "," [
+        "+1"
+        "-1"
+        "laugh"
+        "confused"
+        "heart"
+        "hooray"
+        "rocket"
+        "eyes"
+        "100"
+        "anger"
+        "astonished"
+        "no_good"
+        "ok_hand"
+        "pensive"
+        "pizza"
+        "point_up"
+        "sob"
+        "skull"
+        "upside_down_face"
+        "shrug"
+        "huh"
+        "bruh"
+        "okiedokie"
+        "grr"
+      ];
+
+      CUSTOM_EMOJIS = lib.concatStringsSep "," [
+        "bruh"
+        "grr"
+        "huh"
+        "ohyeah"
+      ];
+    };
+    "ui.meta" = {
+      AUTHOR = "Programvareverkstedet";
+      DESCRIPTION = "Bokstavelig talt programvareverkstedet";
+      KEYWORDS = lib.concatStringsSep "," [
+        "git"
+        "hackerspace"
+        "nix"
+        "open source"
+        "foss"
+        "organization"
+        "software"
+        "student"
+      ];
+    };
+  };
+
   systemd.services.gitea-customization = lib.mkIf cfg.enable {
     description = "Install extra customization in gitea's CUSTOM_DIR";
     wantedBy = [ "gitea.service" ];
@@ -57,6 +110,11 @@ in
       install -Dm444 ${extraLinksFooter} ${cfg.customDir}/templates/custom/extra_links_footer.tmpl
       install -Dm444 ${project-labels} ${cfg.customDir}/options/label/project-labels.yaml
 
+      install -Dm644 ${./emotes/bruh.png} ${cfg.customDir}/public/assets/img/emoji/bruh.png
+      install -Dm644 ${./emotes/huh.gif} ${cfg.customDir}/public/assets/img/emoji/huh.png
+      install -Dm644 ${./emotes/grr.png} ${cfg.customDir}/public/assets/img/emoji/grr.png
+      install -Dm644 ${./emotes/okiedokie.jpg} ${cfg.customDir}/public/assets/img/emoji/okiedokie.png
+
       "${lib.getExe pkgs.rsync}" -a "${customTemplates}/" ${cfg.customDir}/templates/
     '';
   };

hosts/kommode/services/gitea/default.nix

@@ -83,11 +83,24 @@ in {
         AUTO_WATCH_NEW_REPOS = false;
       };
       admin.DEFAULT_EMAIL_NOTIFICATIONS = "onmention";
-      session.COOKIE_SECURE = true;
       security = {
         SECRET_KEY = lib.mkForce "";
         SECRET_KEY_URI = "file:${config.sops.secrets."gitea/secret-key".path}";
       };
+      cache = {
+        ADAPTER = "redis";
+        HOST = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=0";
+        ITEM_TTL = "72h";
+      };
+      session = {
+        COOKIE_SECURE = true;
+        PROVIDER = "redis";
+        PROVIDER_CONFIG = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=1";
+      };
+      queue = {
+        TYPE = "redis";
+        CONN_STR = "redis+socket://${config.services.redis.servers.gitea.unixSocket}?db=2";
+      };
       database.LOG_SQL = false;
       repository = {
         PREFERRED_LICENSES = lib.concatStringsSep "," [
@@ -128,31 +141,6 @@ in {
         AVATAR_MAX_ORIGIN_SIZE = 1024 * 1024 * 2;
       };
       actions.ENABLED = true;
-      ui = {
-        REACTIONS = lib.concatStringsSep "," [
-          "+1"
-          "-1"
-          "laugh"
-          "confused"
-          "heart"
-          "hooray"
-          "rocket"
-          "eyes"
-          "100"
-          "anger"
-          "astonished"
-          "no_good"
-          "ok_hand"
-          "pensive"
-          "pizza"
-          "point_up"
-          "sob"
-          "skull"
-          "upside_down_face"
-          "shrug"
-        ];
-      };
-      "ui.meta".DESCRIPTION = "Bokstavelig talt programvareverkstedet";
     };
 
     dump = {
@@ -164,12 +152,26 @@ in {
 
   environment.systemPackages = [ cfg.package ];
 
-  systemd.services.gitea.serviceConfig.CPUSchedulingPolicy = "batch";
+  systemd.services.gitea = lib.mkIf cfg.enable {
+    wants = [ "redis-gitea.service" ];
+    after = [ "redis-gitea.service" ];
 
-  systemd.services.gitea.serviceConfig.CacheDirectory = "gitea/repo-archive";
+    serviceConfig = {
-  systemd.services.gitea.serviceConfig.BindPaths = [
+      CPUSchedulingPolicy = "batch";
-    "%C/gitea/repo-archive:${cfg.stateDir}/data/repo-archive"
+      CacheDirectory = "gitea/repo-archive";
-  ];
+      BindPaths = [
+        "%C/gitea/repo-archive:${cfg.stateDir}/data/repo-archive"
+      ];
+    };
+  };
+
+  services.redis.servers.gitea = lib.mkIf cfg.enable {
+    enable = true;
+    user = config.services.gitea.user;
+    save = [ ];
+    openFirewall = false;
+    port = 5698;
+  };
 
   services.nginx.virtualHosts."${domain}" = {
     forceSSL = true;

hosts/skrot/configuration.nix

@@ -0,0 +1,79 @@
+{
+  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 = "drumknotty";
+      group = "drumknotty";
+    };
+    "worblehat/postgresql/password" = {
+      owner = "drumknotty";
+      group = "drumknotty";
+    };
+  };
+
+  services.drumknotty = {
+    enable = true;
+    kioskMode = true;
+    limitScreenWidth = 80;
+    limitScreenHeight = 42;
+
+    dibblerSettings = {
+      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;
+        };
+      };
+    };
+    worblehatSettings = {
+      general.quit_allowed = false;
+      database = {
+        type = "postgresql";
+        postgresql = {
+          username = "pvv_vv";
+          dbname = "pvv_vv";
+          host = "postgres.pvv.ntnu.no";
+          password_file = config.sops.secrets."worblehat/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 = {

modules/drumknotty.nix

@@ -0,0 +1,317 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  cfg = config.services.drumknotty;
+
+  format = pkgs.formats.toml { };
+in
+{
+  options.services.drumknotty = {
+    enable = lib.mkEnableOption "DrumknoTTY";
+
+    dibblerPackage = lib.mkPackageOption pkgs "dibbler" { };
+    worblehatPackage = lib.mkPackageOption pkgs "worblehat" { };
+    screenPackage = lib.mkPackageOption pkgs "screen" { };
+
+    screenSessionName = lib.mkOption {
+      type = lib.types.str;
+      default = "drumknotty";
+      example = "myscreensessionname";
+      description = ''
+        Sets the screen session name.
+      '';
+    };
+
+    createLocalDatabase = lib.mkEnableOption "" // {
+      description = ''
+        Whether to set up a local postgres database automatically.
+
+        ::: {.note}
+        You must set up postgres manually before enabling this option.
+        :::
+      '';
+    };
+
+    kioskMode = lib.mkEnableOption "" // {
+      description = ''
+        Whether to let dibbler take over the entire machine.
+
+        This will restrict the machine to a single TTY and make the program unquittable.
+        You can still get access to PTYs via SSH and similar, if enabled.
+      '';
+    };
+
+    limitScreenHeight = lib.mkOption {
+      type = with lib.types; nullOr ints.unsigned;
+      default = null;
+      example = 42;
+      description = ''
+        If set, limits the height of the screen dibbler uses to the given number of lines.
+      '';
+    };
+
+    limitScreenWidth = lib.mkOption {
+      type = with lib.types; nullOr ints.unsigned;
+      default = null;
+      example = 80;
+      description = ''
+        If set, limits the width of the screen dibbler uses to the given number of columns.
+      '';
+    };
+
+    dibblerSettings = lib.mkOption {
+      description = "Configuration for dibbler";
+      default = { };
+      type = lib.types.submodule {
+        freeformType = format.type;
+      };
+    };
+
+    worblehatSettings = lib.mkOption {
+      description = "Configuration for worblehat";
+      default = { };
+      type = lib.types.submodule {
+        freeformType = format.type;
+      };
+    };
+
+    deadline-daemon = {
+      enable = lib.mkEnableOption "" // {
+        description = ''
+          Whether to enable the worblehat deadline-daemon service,
+          which periodically checks for upcoming deadlines and notifies users.
+
+          Note that this service is independent of the main worblehat service,
+          and must be enabled separately.
+        '';
+      };
+
+      onCalendar = lib.mkOption {
+        type = lib.types.str;
+        description = ''
+          How often to trigger rendering the map,
+          in the format of a systemd timer onCalendar configuration.
+
+          See {manpage}`systemd.timer(5)`.
+        '';
+        default = "*-*-* 10:15:00";
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = [
+          cfg.dibblerPackage
+          cfg.worblehatPackage
+        ];
+
+        environment.etc."dibbler/dibbler.toml".source = format.generate "dibbler.toml" cfg.dibblerSettings;
+        environment.etc."worblehat/config.toml".source =
+          format.generate "worblehat-config.toml" cfg.worblehatSettings;
+
+        users = {
+          users.drumknotty = {
+            group = "drumknotty";
+            isNormalUser = true;
+          };
+          groups.drumknotty = { };
+        };
+
+        services.dibbler.settings.database = lib.mkIf cfg.createLocalDatabase {
+          type = "postgresql";
+          postgresql.host = "/run/postgresql";
+        };
+
+        services.postgresql = lib.mkIf cfg.createLocalDatabase {
+          ensureDatabases = [
+            "dibbler"
+            "worblehat"
+          ];
+          ensureUsers = [
+            {
+              name = "drumknotty";
+              ensureDBOwnership = true;
+              ensureClauses.login = true;
+            }
+          ];
+        };
+
+        systemd.services.dibbler-setup-database = lib.mkIf cfg.createLocalDatabase {
+          description = "Dibbler database setup";
+          wantedBy = [ "default.target" ];
+          after = [ "postgresql.service" ];
+          unitConfig = {
+            ConditionPathExists = "!/var/lib/dibbler/.db-setup-done";
+          };
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${lib.getExe cfg.dibblerPackage} --config /etc/dibbler/dibbler.toml create-db";
+            ExecStartPost = "${lib.getExe' pkgs.coreutils "touch"} /var/lib/dibbler/.db-setup-done";
+            StateDirectory = "dibbler";
+
+            User = "drumknotty";
+            Group = "drumknotty";
+          };
+        };
+
+        systemd.services.worblehat-setup-database = lib.mkIf cfg.createLocalDatabase {
+          description = "Worblehat database setup";
+          wantedBy = [ "default.target" ];
+          after = [ "postgresql.service" ];
+          unitConfig = {
+            ConditionPathExists = "!/var/lib/worblehat/.db-setup-done";
+          };
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${lib.getExe cfg.worblehatPackage} --config /etc/worblehat/config.toml create-db";
+            ExecStartPost = "${lib.getExe' pkgs.coreutils "touch"} /var/lib/worblehat/.db-setup-done";
+            StateDirectory = "worblehat";
+
+            User = "drumknotty";
+            Group = "drumknotty";
+          };
+        };
+
+      }
+      (lib.mkIf cfg.kioskMode {
+        boot.kernelParams = [
+          "console=tty1"
+        ];
+
+        users.users.drumknotty = {
+          extraGroups = [ "lp" ];
+          shell =
+            (pkgs.writeShellScriptBin "login-shell" "${lib.getExe' cfg.screenPackage "screen"} -x ${cfg.screenSessionName}")
+            // {
+              shellPath = "/bin/login-shell";
+            };
+        };
+
+        services.drumknotty.dibblerSettings.general = {
+          quit_allowed = false;
+          stop_allowed = false;
+        };
+
+        services.drumknotty.worblehatSettings.general = {
+          quit_allowed = false;
+          stop_allowed = false;
+        };
+
+        systemd.services.drumknotty-screen-session = {
+          description = "Drumknotty Screen Session";
+          wantedBy = [
+            "default.target"
+          ];
+          after =
+            if cfg.createLocalDatabase then
+              [
+                "postgresql.service"
+                "dibbler-setup-database.service"
+                "worblehat-setup-database.service"
+              ]
+            else
+              [
+                "network.target"
+              ];
+          serviceConfig =
+            let
+              dibblerArgs = lib.cli.toCommandLineShellGNU { } {
+                config = "/etc/dibbler/dibbler.toml";
+              };
+
+              worblehatArgs = lib.cli.toCommandLineShellGNU { } {
+                config = "/etc/worblehat/config.toml";
+              };
+
+            in
+            {
+              Type = "forking";
+              RemainAfterExit = false;
+              Restart = "always";
+              RestartSec = "5s";
+              SuccessExitStatus = 1;
+
+              User = "drumknotty";
+              Group = "drumknotty";
+
+              ExecStartPre = "-${lib.getExe' cfg.screenPackage "screen"} -X -S ${cfg.screenSessionName} kill";
+              ExecStart =
+                let
+                  screenArgs = lib.escapeShellArgs [
+                    # -dm creates the screen in detached mode without accessing it
+                    "-dm"
+
+                    # Session name
+                    "-S"
+                    "drumknotty"
+
+                    # Window name
+                    "-t"
+                    "dibbler"
+
+                    # Set optimal output mode instead of VT100 emulation
+                    "-O"
+
+                    # Enable login mode, updates utmp entries
+                    "-l"
+                  ];
+
+                in
+                "${lib.getExe' cfg.screenPackage "screen"} ${screenArgs} ${lib.getExe cfg.dibblerPackage} ${dibblerArgs} loop";
+              ExecStartPost = [
+                "${lib.getExe' cfg.screenPackage "screen"} -X -S ${cfg.screenSessionName} -t worblehat ${lib.getExe cfg.worblehatPackage} ${worblehatArgs} cli"
+              ]
+              ++ lib.optionals (cfg.limitScreenWidth != null) [
+                "${lib.getExe' cfg.screenPackage "screen"} -X -S ${cfg.screenSessionName} width ${toString cfg.limitScreenWidth}"
+              ]
+              ++ lib.optionals (cfg.limitScreenHeight != null) [
+                "${lib.getExe' cfg.screenPackage "screen"} -X -S ${cfg.screenSessionName} height ${toString cfg.limitScreenHeight}"
+              ];
+            };
+        };
+
+        services.getty.autologinUser = "drumknotty";
+      })
+      (lib.mkIf cfg.deadline-daemon.enable {
+        systemd.timers.worblehat-deadline-daemon = {
+          description = "Worblehat Deadline Daemon";
+          wantedBy = [ "timers.target" ];
+          timerConfig = {
+            OnCalendar = cfg.deadline-daemon.onCalendar;
+            Persistent = true;
+          };
+        };
+
+        systemd.services.worblehat-deadline-daemon = {
+          description = "Worblehat Deadline Daemon";
+          wantedBy = [ "multi-user.target" ];
+          after = [ "network.target" ];
+          serviceConfig = {
+            Type = "oneshot";
+            CPUSchedulingPolicy = "idle";
+            IOSchedulingClass = "idle";
+
+            ExecStart =
+              let
+                worblehatArgs = lib.cli.toCommandLineShellGNU { } {
+                  config = "/etc/worblehat/config.toml";
+                };
+              in
+              "${lib.getExe cfg.package} ${worblehatArgs} deadline-daemon";
+
+            User = "worblehat";
+            Group = "worblehat";
+          };
+        };
+      })
+
+    ]
+  );
+
+}

secrets/skrot/skrot.yaml

@@ -0,0 +1,96 @@
+dibbler:
+    postgresql:
+        password: ENC[AES256_GCM,data:3X9A3jOpFVRuBg0gRiCEsZVKfLI=,iv:XC7LBNUhALk9IEhItV8fO5p/m7VKL0REBY1W2IZt7G4=,tag:l18R7EhbOlucZHFQiEvpHw==,type:str]
+worblehat:
+    postgresql:
+        password: ENC[AES256_GCM,data:5xEiz+Op0dpxO/x75iEZs0VVqhbr+85BusXGt7xyQZk=,iv:MvnRPx+segcEzUzQsJXGXDaQlKpf5AN9pSfXP34Cz6k=,tag:AG8JUl3+8ZJz+gbLti78Vw==,type:str]
+sops:
+    age:
+        - recipient: age1hzkvnktkr8t5gvtq0ccw69e44z5z6wf00n3xhk3hj24emf07je5s6q2evr
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAvTk5YU3Z2Yy9HS1R4ME5I
+            UU1PRWVncHJYcXY5RlFpOWVQUWZsdy93ZDFBCnlxWkpaL1g5WmNSckNYd202WE40
+            RkwwSEM1YUNNZmozejlrdW8yY1JiekkKLS0tIHVWY0JKZm9CNWhzVGl4cG82UXZs
+            ZnllQzJiK1ZkRmFndmtYdW9IclFWY1EK82f1iGt3nt8dJnEQlMujNqConf6Qq6GX
+            hqoqPoc2EM4kun28Bbpq4pAY7eEPRrWFqOkjYVvgIRoS88D7xT3LWg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1ug30gg4y7ftuya0wdv7q0vh4egn00wlv2th7mt7cgc2ze46wmvyq9lq6ge
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA5WTJIOUcxRlBuNmRrNUZo
+            MXFxeVJBTEhDK00yTUw1U2dHckNFYWZKWkhNCnYxYmtrUEVvd1RaYUI5WTRTRW16
+            S2NhbDdpdDZhSkVWeUhjZDhKd3ZpTmcKLS0tIFovWm5lOXBzcnN3Zm5GQlBhNmlp
+            eTB4WldMNW9GNUwwaEUzRThsemxRVzQKGpa0J2PBzDRdHijm0e3nFAaxQCHUjz+L
+            KataXJEMCijJ6k+7vpb5QMxe2jB1J2PMxNGFp0bWAy2Al3p/Ez2Kww==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1mrnldl334l2nszuta6ywvewng0fswv2dz9l5g4qcwe3nj4yxf92qjskdx6
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBZaW1ZSXhVeFVTQW9WYzVh
+            WkVUM2JkOU5VNU9oQXE2Y2pvcFlOWTdvbnpJClduS0RHL2xja291a2doQ0wzbzhQ
+            NmJOSGVvQUdxM3IvaS8zRW1VbVhvYmsKLS0tIHoyOUdvT0xXWXo3SWcyQ1lqTmJS
+            ZUdnS2RvOXI1dGNYQTl6ZHE1cUdMWHMK4ycAJQLyKCgJIzjQ02bPjz4Ct9eO6ivw
+            kfWhyMaoWwM9PhFcwSak0cLpX0C/IOzSzO78pf3WhG16pV7aXapdog==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1hmpdk4h69wxpwqk9tkud39f66hprhehxtzhgw97r6dvr7v0mx5jscsuhkn
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBqaml0OVlhcUJSU1hSY3lP
+            bkM0cUV4Z2ZLeERHZ3BUNExuYS9KSU5CekQ4CmQ3SE1vdDBtdFJ6czZYR3U5Tk1X
+            SFJmTVlERjBzV0hFalFLMmVLQzNNdXMKLS0tIDdJLzZveFdnYTI0azk1UXJZLzZF
+            Sy9XbjhwOFR6SFpaNHZLd3ZxdmxOVUEKBBbGmdVVlKHxO+/iODznLP3+dJGppybW
+            +1k9uenVHzie+pDKcrQpSyX2WDnmgg7hUAUiXPuz1eEWmwbRJnU/5w==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1wrssr4z4g6vl3fd3qme5cewchmmhm0j2xe6wf2meu4r6ycn37anse98mfs
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBXK01vOVV5YlhsZ2ljYS91
+            OUVEaEpTbXFKOHVNVDVoMTlrS05wRmsyM2dvCjZHOXlCUGowd0J4UlQzSzM5dWJ0
+            eU50SHdtZ2ZyUE1JVHdvODFxWDYvRWsKLS0tIDhlRVQ0Mm5Ua0J2aExqMzRyUGlP
+            RUR6Yi9SUDFCUkZmRk5hYTVFeGloZXcKY/XtaSoW8Pu2wS4oistLSc0T5JvMnt+w
+            s3yfe/zx9/1K6OtbeljF9FZVOB/dOamvk+Qlfl0T5qush7/WgGzErA==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1zhxul786an743u0fascv4wtc5xduu7qfy803lfs539yzhgmlq5ds2lznt5
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBOM0pFb2tRTURtWmp6elRN
+            M0xtajlzMTNPMnppcGhJMVlsNHdwWmNGbFVFCnlxM1JQTkR2elAvdytKUEJ3djBS
+            UnlhL0tLLzY3Z05RU3phNDZIOGtTMFEKLS0tIEpOZDUxU1JQVXJTbmVFQlVkOUcy
+            eWlyWGhaS1JCNitUSVVScFk2WGEvOG8K2rpYPGx5jhyyRK4UkeJR96wDFr4Frzsr
+            QWz7fYZRWKWf0H0qn+bm9IfVJiBAlS5i16D1FnipZVmdWefFaZSEPg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1sqs7urnzsdy64efmd0zukzv3gs5pnjksuxd7nqmdwdy5l0nqnunq6hyune
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBJVFV0WVZrK0wzbnhkcmcz
+            c2lIdVlKcFpoYjZIWlNPN0M5N2g2WG9YdlRJCjg5YlNoSzQ5YW5yRUVSeTEzRThY
+            WklKQzlzRXdrUUlFNzF4M1BFZCtPT28KLS0tIDlUOTVIQVZJNFJwTnQxN0Z1ZlQx
+            MmxPMWNPYzJiOFRqY2VYczhvRm5IR3cKpUVV+zsMolsHI2YK9YqC6ecNT6QXv0TV
+            d1SpXRAexZBeWCCHBjSdvQBl8AT4EwrAIP2M2o++6i5DaGoGiEIWZQ==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-03-17T15:30:20Z"
+    mac: ENC[AES256_GCM,data:byJbaGBKiW8P6Z9EAaXFIAurNPZ1Yu3H4wISL3YESGPVy5GSbMlfSTLElw8BcQNgOuLq8+BVZcRZn+UaLx7vNKfmpbOmthmrMqilcW/vmgsQ5+of+r+O9bOqqXAmlBLvB82trkLUWsPfO4hHJBfjFweLZFqzszW3t/zeLMocM18=,iv:EqiPEg0xgRPsuJfjUKg/ba10m1rqopO4gtPwKABuNk4=,tag:5l4sJxsV69ha4hf+9iBmMw==,type:str]
+    pgp:
+        - created_at: "2026-02-10T20:01:32Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
+            hQIMA0av/duuklWYARAAnSjSeI8BybEl1PwNt3KTGcUjpCI+XZPWgNWuvjIymVBv
+            ZgNESNktJB4loNvd/+TIADE7TqGFQK9ev6IPRoDHHkSMdmJ9Bc/lu2HPO+rJa1yD
+            vLXbjf8vRa+GkBDV8DTrPPFvSrHY+jv9vQIzY3nQPKMlyV58E85N262q/2gJUfm9
+            cy/dYE2BUWMQC1DfiGbBRC4xGHhp94XccOMBkIpchP+BL90ZVpocnxeSrSjBsSLE
+            wuhMQPRQSI4PFm8ZYajf6tF001HDa5zaqF1lqkTxtxypDDUr8BVb9n/ObaD8omDI
+            QHQUiPmVgpDs7w2Ph5UgJxK1c+dOcG+mXsl1CHOLldA29sNzDBuh94PKfRl1B3cY
+            KPoPIqntdn59zzRDbuVJxWeJal7Ffynwsrx4h7w7muIR/FYeaFphsokE5Q6gqwTO
+            ZqWY2tuQ0CFRtMl7HB7ZVdSsKv6D5DlesXPXdrhQBKRrNylBpSBmcZH8KRAuHGNj
+            4GFZRN++GFuq54d7wB689kn+F7+pbNom7CDILXiCrz8+9DjFw0maDRoas8OaUyW6
+            kfyJe/YnK94EyCPitkJWYc9uvA2t9y25Rm9uUSvh7WnTFAEK9mJLOal4VgHbqCtg
+            zSGbdw79U4H0Umbi5eSCvEYNtv7eBzKaS/t6irfDRr1WajNhThcd1wmnvjZYxl3S
+            XgHOucYvQvxXjqG0B0Qbd12ucYthPO1+gozEzWxJx2wtiL3gClPYOaiteRlO/XQA
+            WTG6A36X3IxB6qW8lEx12geyjHxFYb82BjyrBnnlj+YcViIBpPQqd8Dz6sl4Rls=
+            =tCoI
+            -----END PGP MESSAGE-----
+          fp: F7D37890228A907440E1FD4846B9228E814A2AAC
+    unencrypted_suffix: _unencrypted
+    version: 3.12.1

topology/default.nix

@@ -228,7 +228,7 @@ in {
         (mkConnection "demiurgen" "eno1")
         (mkConnection "sanctuary" "ethernet_0")
         (mkConnection "torskas" "eth0")
-        (mkConnection "skrot" "eth0")
+        (mkConnection "skrott" "eth0")
         (mkConnection "homeassistant" "eth0")
         (mkConnection "orchid" "eth0")
         (mkConnection "principal" "em0")

values.nix

@@ -85,6 +85,10 @@ in rec {
       ipv4 = pvv-ipv4 235;
       ipv6 = pvv-ipv6 235;
     };
+    skrot = {
+      ipv4 = pvv-ipv4 237;
+      ipv6 = pvv-ipv6 237;
+    };
     temmie = {
       ipv4 = pvv-ipv4 167;
       ipv6 = pvv-ipv6 167;