nixos/kelder: Add amogus

nixos/boxes/kelder/amogus_beep.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+import subprocess
+import math
+
+# https://en.wikipedia.org/wiki/Piano_key_frequencies
+def note_freq(n):
+    return math.pow(2, (n - 49) / 12) * 440
+
+def gen_beep_command(notes, bpm):
+    cmd = ['beep']
+    for i, (n, d) in enumerate(notes):
+        f = note_freq(n)
+        ms = (d / (bpm/60)) * 1000
+
+        cmd += ['-f', str(int(f)), '-l', str(int(ms))]
+        if i != len(notes) -1:
+            cmd.append('-n')
+
+    return cmd
+
+# First 2 bars of https://musescore.com/user/5032516/scores/6519100 ;)
+tempo = 94
+melody = [
+    (52, 1/2),
+    (55, 1/2),
+
+    (57, 1/2),
+    (58, 1/2),
+    (57, 1/2),
+    (55, 1/2),
+
+    (52, 1+1/2),
+
+    (50, 1/4),
+    (54, 1/4),
+
+    (52, 1),
+]
+
+def main():
+    cmd = gen_beep_command(melody, tempo)
+    # print(' '.join(cmd))
+    subprocess.check_call(cmd)
+
+if __name__ == '__main__':
+    main()

nixos/boxes/kelder/boot.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }: {
+  boot.plymouth = {
+    enable = true;
+  };
+
+  systemd.services = {
+    amogus-beep = {
+      enable = true;
+      description = "amogus sus";
+      before = [ "plymouth-quit.service" ];
+
+      path = with pkgs; [ beep ];
+      serviceConfig = {
+        RemainAfterExit = true;
+        ExecStart = "${pkgs.python3}/bin/python ${./amogus_beep.py}";
+        Type = "oneshot";
+      };
+
+      wantedBy = [ "multi-user.target" ];
+    };
+  };
+}

nixos/boxes/kelder/default.nix

@@ -9,90 +9,94 @@
         inherit (lib) mkIf mkMerge mkForce;
       in
       {
-        hardware = {
+        imports = [ ./boot.nix ];
-          enableRedistributableFirmware = true;
-          cpu = {
-            intel.updateMicrocode = true;
-          };
-        };
 
-        boot = {
+        config = {
-          loader = {
+          hardware = {
-            efi.canTouchEfiVariables = true;
+            enableRedistributableFirmware = true;
-            timeout = 5;
+            cpu = {
-          };
+              intel.updateMicrocode = true;
-          kernelPackages = pkgs.linuxKernel.packages.linux_6_1;
-          kernelModules = [ "kvm-intel" ];
-          kernelParams = [ "intel_iommu=on" ];
-          initrd = {
-            availableKernelModules = [ "xhci_pci" "nvme" "ahci" "usbhid" "usb_storage" "sd_mod" ];
-            kernelModules = [ "dm-snapshot" ];
-          };
-        };
-
-        fileSystems = {
-          "/boot" = {
-            device = "/dev/disk/by-partuuid/cba48ae7-ad2f-1a44-b5c7-dcbb7bebf8c4";
-            fsType = "vfat";
-          };
-          "/nix" = {
-            device = "/dev/ssd/nix";
-            fsType = "ext4";
-          };
-          "/persist" = {
-            device = "/dev/ssd/persist";
-            fsType = "ext4";
-            neededForBoot = true;
-          };
-        };
-
-        services = {
-          fstrim.enable = true;
-          lvm = {
-            boot.thin.enable = true;
-            dmeventd.enable = true;
-          };
-          getty = {
-            greetingLine = ''Welcome to ${config.system.nixos.distroName} ${config.system.nixos.label} (\m) - \l'';
-            helpLine = "\nCall Jack for help.";
-          };
-        };
-
-        networking = {
-          domain = lib.my.kelder.domain;
-        };
-
-        system.nixos.distroName = "KelderOS";
-
-        systemd = {
-          network = {
-            links = {
-              "10-et1g0" = {
-                matchConfig.MACAddress = "74:d4:35:e9:a1:73";
-                linkConfig.Name = "et1g0";
-              };
             };
-            networks = {
+          };
-              "50-lan" = {
+
-                matchConfig.Name = "et1g0";
+          boot = {
-                DHCP = "yes";
+            loader = {
+              efi.canTouchEfiVariables = true;
+              timeout = 5;
+            };
+            kernelPackages = pkgs.linuxKernel.packages.linux_6_1;
+            kernelModules = [ "kvm-intel" ];
+            kernelParams = [ "intel_iommu=on" ];
+            initrd = {
+              availableKernelModules = [ "xhci_pci" "nvme" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+              kernelModules = [ "dm-snapshot" "pcspkr" ];
+            };
+          };
+
+          fileSystems = {
+            "/boot" = {
+              device = "/dev/disk/by-partuuid/cba48ae7-ad2f-1a44-b5c7-dcbb7bebf8c4";
+              fsType = "vfat";
+            };
+            "/nix" = {
+              device = "/dev/ssd/nix";
+              fsType = "ext4";
+            };
+            "/persist" = {
+              device = "/dev/ssd/persist";
+              fsType = "ext4";
+              neededForBoot = true;
+            };
+          };
+
+          services = {
+            fstrim.enable = true;
+            lvm = {
+              boot.thin.enable = true;
+              dmeventd.enable = true;
+            };
+            getty = {
+              greetingLine = ''Welcome to ${config.system.nixos.distroName} ${config.system.nixos.label} (\m) - \l'';
+              helpLine = "\nCall Jack for help.";
+            };
+          };
+
+          networking = {
+            domain = lib.my.kelder.domain;
+          };
+
+          system.nixos.distroName = "KelderOS";
+
+          systemd = {
+            network = {
+              links = {
+                "10-et1g0" = {
+                  matchConfig.MACAddress = "74:d4:35:e9:a1:73";
+                  linkConfig.Name = "et1g0";
+                };
+              };
+              networks = {
+                "50-lan" = {
+                  matchConfig.Name = "et1g0";
+                  DHCP = "yes";
+                };
               };
             };
           };
-        };
 
-        my = {
+          my = {
-          user = {
+            user = {
-            config.name = "kontent";
+              config.name = "kontent";
+            };
+
+            #deploy.generate.system.mode = "boot";
+            deploy.node.hostname = "10.16.9.21";
+            secrets = {
+              key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOFvUdJshXkqmchEgkZDn5rgtZ1NO9vbd6Px+S6YioWi";
+            };
+
+            server.enable = true;
           };
-
-          #deploy.generate.system.mode = "boot";
-          deploy.node.hostname = "10.16.9.21";
-          secrets = {
-            key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOFvUdJshXkqmchEgkZDn5rgtZ1NO9vbd6Px+S6YioWi";
-          };
-
-          server.enable = true;
         };
       };
   };