attach with dibbler window selected

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1770133120,
+        "lastModified": 1771267058,
-        "narHash": "sha256-RuAWONXb+U3omSsuIPCrPcgj0XYqv+2djG0cnPGEyKg=",
+        "narHash": "sha256-EEL4SmD1b3BPJPsSJJ4wDTXWMumJqbR+BLzhJJG0skE=",
         "ref": "main",
-        "rev": "3123b8b474319bc75ee780e0357dcdea69dc85e6",
+        "rev": "e3962d02c78b9c7b4d18148d931a9a4bf22e7902",
-        "revCount": 244,
+        "revCount": 254,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
       },
@@ -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": [
@@ -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": 1773932847,
+        "narHash": "sha256-IklIAdlonrmO8/lkDxNIVz9+ORL4pcVotMTxeyvxzoc=",
+        "ref": "main",
+        "rev": "0871a319f51d3cb0d1abb5b11edb768b39906d3f",
+        "revCount": 104,
+        "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";
 
@@ -188,10 +191,16 @@
       #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
         ];
-        overlays = [inputs.dibbler.overlays.default];
       };
       shark = stableNixosConfig "shark" { };
       wenche = stableNixosConfig "wenche" { };
@@ -287,6 +296,7 @@
       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/skrot/configuration.nix

@@ -28,18 +28,22 @@
 
   sops.secrets = {
     "dibbler/postgresql/password" = {
-      owner = "dibbler";
+      owner = "drumknotty";
-      group = "dibbler";
+      group = "drumknotty";
+    };
+    "worblehat/postgresql/password" = {
+      owner = "drumknotty";
+      group = "drumknotty";
     };
   };
 
-  services.dibbler = {
+  services.drumknotty = {
     enable = true;
     kioskMode = true;
     limitScreenWidth = 80;
     limitScreenHeight = 42;
 
-    settings = {
+    dibblerSettings = {
       general.quit_allowed = false;
       database = {
         type = "postgresql";
@@ -51,6 +55,18 @@
         };
       };
     };
+    worblehatSettings = {
+      general.quit_allowed = false;
+      database = {
+        type = "postgresql";
+        postgresql = {
+          username = "worblehat";
+          dbname = "worblehat";
+          host = "postgres.pvv.ntnu.no";
+          password = config.sops.secrets."worblehat/postgresql/password".path;
+        };
+      };
+    };
   };
 
   systemd.services."serial-getty@ttyUSB0" = lib.mkIf (!config.virtualisation.isVmVariant) {

modules/drumknotty.nix

@@ -0,0 +1,379 @@
+{
+  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.drumknotty.dibblerSettings = {
+          limits = {
+            low_credit_warning_limit = lib.mkDefault (-100);
+            user_recent_transaction_limit = lib.mkDefault 100;
+          };
+
+          printer = {
+            label_type = lib.mkDefault "62";
+            label_rotate = lib.mkDefault false;
+          };
+        };
+
+        services.drumknotty.worblehatSettings = {
+          logging = {
+            debug = lib.mkDefault true;
+            debug_sql = lib.mkDefault false;
+          };
+
+          database = {
+            type = lib.mkDefault "sqlite";
+            sqlite.path = lib.mkDefault "./worblehat.sqlite";
+            postgresql = {
+              host = lib.mkDefault "localhost";
+              port = lib.mkDefault 5432;
+              username = lib.mkDefault "worblehat";
+              password = lib.mkDefault "/var/lib/worblehat/db-password";
+              database = lib.mkDefault "worblehat";
+            };
+          };
+
+          flask = {
+            TESTING = lib.mkDefault true;
+            DEBUG = lib.mkDefault true;
+            FLASK_ENV = lib.mkDefault "development";
+            SECRET_KEY = lib.mkDefault "change-me";
+          };
+
+          smtp = {
+            enabled = lib.mkDefault false;
+            host = lib.mkDefault "smtp.pvv.ntnu.no";
+            port = lib.mkDefault 587;
+            username = lib.mkDefault "worblehat";
+            password = lib.mkDefault "/var/lib/worblehat/smtp-password";
+            from = lib.mkDefault "worblehat@pvv.ntnu.no";
+            subject_prefix = lib.mkDefault "[Worblehat]";
+          };
+
+          deadline_daemon = {
+            enabled = lib.mkDefault true;
+            dryrun = lib.mkDefault false;
+            warn_days_before_borrowing_deadline = lib.mkDefault [
+              5
+              1
+            ];
+            days_before_queue_position_expires = lib.mkDefault 14;
+            warn_days_before_expiring_queue_position_deadline = lib.mkDefault [
+              3
+              1
+            ];
+          };
+        };
+
+        services.drumknotty.dibblerSettings.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 ${cfg.screenSessionName} -p dibbler")
+            // {
+              shellPath = "/bin/login-shell";
+            };
+        };
+
+        services.drumknotty.dibblerSettings.general = {
+          quit_allowed = false;
+          stop_allowed = false;
+        };
+
+        services.drumknotty.worblehatSettings.general = {
+          quit_allowed = false;
+          stop_allowed = false;
+        };
+
+        systemd.services.drumknotty-screen-session = {
+          description = "Drumknotty Screen Session";
+          wantedBy = [
+            "default.target"
+          ];
+          after =
+            if cfg.createLocalDatabase then
+              [
+                "postgresql.service"
+                "dibbler-setup-database.service"
+                "worblehat-setup-database.service"
+              ]
+            else
+              [
+                "network.target"
+              ];
+          serviceConfig =
+            let
+              dibblerArgs = lib.cli.toCommandLineShellGNU { } {
+                config = "/etc/dibbler/dibbler.toml";
+              };
+
+              worblehatArgs = lib.cli.toCommandLineShellGNU { } {
+                config = "/etc/worblehat/config.toml";
+              };
+
+            in
+            {
+              Type = "forking";
+              RemainAfterExit = false;
+              Restart = "always";
+              RestartSec = "5s";
+              SuccessExitStatus = 1;
+
+              User = "drumknotty";
+              Group = "drumknotty";
+
+              ExecStartPre = "-${lib.getExe' cfg.screenPackage "screen"} -X -S ${cfg.screenSessionName} kill";
+              ExecStart =
+                let
+                  screenArgs = lib.escapeShellArgs [
+                    # -dm creates the screen in detached mode without accessing it
+                    "-dm"
+
+                    # Session name
+                    "-S"
+                    "${cfg.screenSessionName}"
+
+                    # 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"} -S ${cfg.screenSessionName} -X screen -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

@@ -1,6 +1,9 @@
 dibbler:
     postgresql:
         password: ENC[AES256_GCM,data:3X9A3jOpFVRuBg0gRiCEsZVKfLI=,iv:XC7LBNUhALk9IEhItV8fO5p/m7VKL0REBY1W2IZt7G4=,tag:l18R7EhbOlucZHFQiEvpHw==,type:str]
+worblehat:
+    postgresql:
+        password: ENC[AES256_GCM,data:WpJR6MumY+7WUYdVVgAqv1af+NmqecTMO9aP5lidSpE=,iv:7aoN8mjXckd81LxasMSG3R2vqj0SvzSl7wrEQ1LwToo=,tag:zeeNcEpkYnqyd8be0ZS+kQ==,type:str]
 sops:
     age:
         - recipient: age1hzkvnktkr8t5gvtq0ccw69e44z5z6wf00n3xhk3hj24emf07je5s6q2evr
@@ -66,8 +69,8 @@ sops:
             MmxPMWNPYzJiOFRqY2VYczhvRm5IR3cKpUVV+zsMolsHI2YK9YqC6ecNT6QXv0TV
             d1SpXRAexZBeWCCHBjSdvQBl8AT4EwrAIP2M2o++6i5DaGoGiEIWZQ==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2026-02-10T20:02:28Z"
+    lastmodified: "2026-03-18T14:56:22Z"
-    mac: ENC[AES256_GCM,data:i8CjVxoD7zdkLNJlI9DCo/tDV5DUI7JdpozLtYZzI7Cu51GayaE2Y3Wg4de6P0L7C3FER04WfRe/h+G9PLZICX/CfSipQysyrEq3Pjt9IKsjytDhP9VYJ36QFGF0PuHUQAMSLts/tAoAvLue6MP+V82l5js9ghvyBrzyBGxoyJw=,iv:QFNxvCYxrSkwy7iT+2BEacNPftDXju1cibprVPDjic0=,tag:496E+oCy/VwTylyaWhQD+A==,type:str]
+    mac: ENC[AES256_GCM,data:nBKtFmFKx/Mt9TIFnKuuznsPAXCQpc3+WIspNu5TN9TpIqw75nzYXpxIb2hxRfRu0nbjHXpBy4bkzeMi41BGkvkvV57CZyq11J5i/iIKwuvllaB1IWrdDT2u+6RH3jIspp3KoyxFWdRqcGfNma9dSmtI+1Dd5z7XaxVaoVK2QMI=,iv:6joviyJ2cXmGh/9HH7VEcoK3+4GK5I6i2N/1d65PAN0=,tag:0BFVPWL3BByJH8HbrBTKOw==,type:str]
     pgp:
         - created_at: "2026-02-10T20:01:32Z"
           enc: |-
@@ -90,4 +93,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.11.0
+    version: 3.12.1