refactoring for iServer and isWorkstation: part 3

hosts/alexandria.nix

@@ -2,11 +2,7 @@
 
 {
   imports = [
-    # Host-common imports
-    ../common
-    # Server-common imports
-    ./common
-    # Host-specific imports
+    ./modules
     ./alexandria
   ];
 

hosts/alexandria/hardware-configuration.nix

@@ -33,8 +33,6 @@
     fsType = "vfat";
   };
 
-  swapDevices = [ ];
-
   networking.useDHCP = lib.mkDefault true;
 
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";

hosts/desktops/io.nix

@@ -1,110 +0,0 @@
-{ pkgs, ... }:
-
-let
-  cml-ucm-conf = pkgs.alsa-ucm-conf.overrideAttrs {
-    wttsrc = pkgs.fetchFromGitHub {
-      owner = "WeirdTreeThing";
-      repo = "chromebook-ucm-conf";
-      rev = "b6ce2a7";
-      hash = "sha256-QRUKHd3RQmg1tnZU8KCW0AmDtfw/daOJ/H3XU5qWTCc=";
-    };
-    postInstall = ''
-      echo "v0.4.1" > $out/chromebook.patched
-      cp -R $wttsrc/{common,codecs,platforms} $out/share/alsa/ucm2
-      cp -R $wttsrc/{cml,sof-rt5682} $out/share/alsa/ucm2/conf.d
-    '';
-  };
-in
-{
-  imports = [
-    ../modules
-    # Host-specific imports
-    ./io
-  ];
-
-  networking.hostName = "io";
-
-  nix.nixPath = [ "nixos-config=${./io.nix}" ];
-
-  zramSwap = {
-    enable = true;
-    memoryPercent = 100;
-  };
-
-  boot = {
-    # TODO check if future kernel versions fix boot issue with systemd initrd with tpm
-    initrd.systemd.tpm2.enable = false;
-    kernelParams = [
-      "nosgx"
-      "i915.fastboot=1"
-      "mem_sleep_default=deep"
-    ];
-    extraModprobeConfig = ''
-      options snd-intel-dspcfg dsp_driver=3
-    '';
-  };
-
-  environment = {
-    systemPackages = with pkgs; [
-      maliit-keyboard
-      sof-firmware
-    ];
-    sessionVariables.ALSA_CONFIG_UCM2 = "${cml-ucm-conf}/share/alsa/ucm2";
-  };
-
-  # TODO: remove once gmodena/nix-flatpak/issues/45 fixed
-  systemd.services."flatpak-managed-install" = {
-    serviceConfig = {
-      ExecStartPre = "${pkgs.coreutils}/bin/sleep 5";
-    };
-  };
-
-  services = {
-    keyd = {
-      enable = true;
-      keyboards.main = {
-        ids = [ "0001:0001" ];
-        settings = {
-          main = {
-            meta = "overload(meta, esc)";
-            f1 = "back";
-            f2 = "forward";
-            f3 = "refresh";
-            f4 = "M-f11";
-            f5 = "M-w";
-            f6 = "brightnessdown";
-            f7 = "brightnessup";
-            f8 = "timeout(mute, 200, micmute)";
-            f9 = "play";
-            f10 = "timeout(nextsong, 200, previoussong)";
-            f13 = "delete";
-            "102nd" = "layer(function)";
-          };
-          shift = {
-            leftshift = "capslock";
-            rightshift = "capslock";
-          };
-          function = {
-            escape = "f1";
-            f1 = "f2";
-            f2 = "f3";
-            f3 = "f4";
-            f4 = "f5";
-            f5 = "f6";
-            f6 = "f7";
-            f7 = "f8";
-            f8 = "f9";
-            f9 = "f10";
-            f10 = "f11";
-            f13 = "f12";
-            y = "sysrq";
-            k = "home";
-            l = "pageup";
-            "," = "end";
-            "." = "pagedown";
-          };
-        };
-      };
-    };
-  };
-}

hosts/desktops/rotterdam.nix

@@ -1,92 +0,0 @@
-{ pkgs, ... }:
-
-let
-  qubesnsh = pkgs.writeTextFile {
-    name = "qubes.nsh";
-    text = "HD1f65535a1:EFI\\qubes\\grubx64.efi";
-  };
-
-  reboot-into-qubes = pkgs.makeDesktopItem {
-    name = "reboot-into-qubes";
-    icon = pkgs.fetchurl {
-      url = "https://raw.githubusercontent.com/vinceliuice/Qogir-icon-theme/31f267e1f5fd4e9596bfd78dfb41a03d3a9f33ee/src/scalable/apps/distributor-logo-qubes.svg";
-      sha256 = "sha256-QbHr7s5Wcs7uFtfqZctMyS0iDbMfiiZOKy2nHhDOfn0=";
-    };
-    desktopName = "Qubes OS";
-    genericName = "Reboot into Qubes OS";
-    categories = [ "System" ];
-    startupNotify = true;
-    exec = pkgs.writeShellScript "reboot-into-qubes" ''
-      ${pkgs.yad}/bin/yad --form \
-                          --title="Qubes OS" \
-                          --image distributor-logo-qubes \
-                          --text "Are you sure you want to reboot into Qubes OS?" \
-                          --button="Yes:0" --button="Cancel:1"
-      if [ $? -eq 0 ]; then
-        systemctl reboot --boot-loader-entry=qubes.conf
-      fi
-    '';
-  };
-in
-{
-  imports = [
-    ./rotterdam
-    ../modules
-  ];
-
-  networking.hostName = "rotterdam";
-
-  services = {
-    flatpak.packages = [ "net.retrodeck.retrodeck" ];
-    keyd = {
-      enable = true;
-      keyboards.main = {
-        ids = [ "5653:0001" ];
-        settings.main = {
-          esc = "overload(meta, esc)";
-        };
-      };
-    };
-  };
-
-  environment.systemPackages = with pkgs; [ reboot-into-qubes ];
-
-  hardware = {
-    amdgpu = {
-      opencl.enable = true;
-      amdvlk.enable = true;
-    };
-    graphics.extraPackages = with pkgs; [ rocmPackages.clr.icd ];
-  };
-
-  systemd.targets.hibernate.enable = false; # disable non-functional hibernate
-
-  nix.nixPath = [ "nixos-config=${./rotterdam.nix}" ];
-
-  boot = {
-    kernelParams = [
-      "processor.max_cstate=1" # Fixes bug where ryzen cpus freeze when in highest C state
-      "clearcpuid=514"
-      # Fixes amdgpu freezing
-      "amdgpu.noretry=0"
-      "amdgpu.ppfeaturemask=0xfffd3fff"
-      "amdgpu.gpu_recovery=1"
-      "amdgpu.lockup_timeout=1000"
-    ];
-    # QubesOS boot entry
-    loader.systemd-boot = {
-      extraFiles = {
-        "efi/edk2-shell/shell.efi" = "${pkgs.edk2-uefi-shell}/shell.efi";
-        "qubes.nsh" = qubesnsh;
-      };
-      extraEntries."qubes.conf" = ''
-        title Qubes OS
-        efi /efi/edk2-shell/shell.efi
-        options -nointerrupt qubes.nsh
-        sort-key ab
-      '';
-    };
-  };
-
-  programs.steam.dedicatedServer.openFirewall = true;
-}

hosts/io.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  networking.hostName = "io";
+
+  imports = [
+    ./modules
+    ./io
+  ];
+
+  nix.nixPath = [ "nixos-config=${./io.nix}" ];
+}

hosts/io/boot.nix

@@ -0,0 +1,16 @@
+{ ... }:
+
+{
+  boot = {
+    # TODO check if future kernel versions fix boot issue with systemd initrd with tpm
+    initrd.systemd.tpm2.enable = false;
+    kernelParams = [
+      "nosgx"
+      "i915.fastboot=1"
+      "mem_sleep_default=deep"
+    ];
+    extraModprobeConfig = ''
+      options snd-intel-dspcfg dsp_driver=3
+    '';
+  };
+}

hosts/io/default.nix

@@ -2,7 +2,10 @@
 
 {
   imports = [
+    ./boot
     ./ephermal.nix
     ./hardware-configuration.nix
+    ./programs.nix
+    ./services.nix
   ];
 }

hosts/io/programs.nix

@@ -0,0 +1,34 @@
+{ pkgs, ... }:
+
+let
+  cml-ucm-conf = pkgs.alsa-ucm-conf.overrideAttrs {
+    wttsrc = pkgs.fetchFromGitHub {
+      owner = "WeirdTreeThing";
+      repo = "chromebook-ucm-conf";
+      rev = "b6ce2a7";
+      hash = "sha256-QRUKHd3RQmg1tnZU8KCW0AmDtfw/daOJ/H3XU5qWTCc=";
+    };
+    postInstall = ''
+      echo "v0.4.1" > $out/chromebook.patched
+      cp -R $wttsrc/{common,codecs,platforms} $out/share/alsa/ucm2
+      cp -R $wttsrc/{cml,sof-rt5682} $out/share/alsa/ucm2/conf.d
+    '';
+  };
+in
+
+{
+  environment = {
+    systemPackages = with pkgs; [
+      maliit-keyboard
+      sof-firmware
+    ];
+    sessionVariables.ALSA_CONFIG_UCM2 = "${cml-ucm-conf}/share/alsa/ucm2";
+  };
+
+  # TODO: remove once gmodena/nix-flatpak/issues/45 fixed
+  systemd.services."flatpak-managed-install" = {
+    serviceConfig = {
+      ExecStartPre = "${pkgs.coreutils}/bin/sleep 5";
+    };
+  };
+}

hosts/io/services.nix

@@ -0,0 +1,52 @@
+{ ... }:
+
+{
+  services = {
+    keyd = {
+      enable = true;
+      keyboards.main = {
+        ids = [ "0001:0001" ];
+        settings = {
+          main = {
+            meta = "overload(meta, esc)";
+            f1 = "back";
+            f2 = "forward";
+            f3 = "refresh";
+            f4 = "M-f11";
+            f5 = "M-w";
+            f6 = "brightnessdown";
+            f7 = "brightnessup";
+            f8 = "timeout(mute, 200, micmute)";
+            f9 = "play";
+            f10 = "timeout(nextsong, 200, previoussong)";
+            f13 = "delete";
+            "102nd" = "layer(function)";
+          };
+          shift = {
+            leftshift = "capslock";
+            rightshift = "capslock";
+          };
+          function = {
+            escape = "f1";
+            f1 = "f2";
+            f2 = "f3";
+            f3 = "f4";
+            f4 = "f5";
+            f5 = "f6";
+            f6 = "f7";
+            f7 = "f8";
+            f8 = "f9";
+            f9 = "f10";
+            f10 = "f11";
+            f13 = "f12";
+            y = "sysrq";
+            k = "home";
+            l = "pageup";
+            "," = "end";
+            "." = "pagedown";
+          };
+        };
+      };
+    };
+  };
+}

hosts/modules/desktop.nix

@@ -25,13 +25,6 @@
             compositor = "kwin";
           };
         };
-        keyd = {
-          enable = true;
-          keyboards.all = {
-            ids = [ "*" ];
-            settings.main.capslock = "overload(meta, esc)";
-          };
-        };
         desktopManager.plasma6.enable = true;
         pipewire = {
           enable = true;

hosts/modules/services.nix

@@ -24,6 +24,13 @@
       services = {
         printing.enable = true;
         udev.packages = with pkgs; [ yubikey-personalization ];
+        keyd = {
+          enable = true;
+          keyboards.all = {
+            ids = [ "*" ];
+            settings.main.capslock = "overload(meta, esc)";
+          };
+        };
       };
     })
   ];

hosts/rotterdam.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  networking.hostName = "rotterdam";
+
+  imports = [
+    ./rotterdam
+    ./modules
+  ];
+
+  nix.nixPath = [ "nixos-config=${./rotterdam.nix}" ];
+}

hosts/rotterdam/boot.nix

@@ -0,0 +1,35 @@
+{ pkgs, ... }:
+
+let
+  qubesnsh = pkgs.writeTextFile {
+    name = "qubes.nsh";
+    text = "HD1f65535a1:EFI\\qubes\\grubx64.efi";
+  };
+in
+
+{
+  boot = {
+    kernelParams = [
+      "processor.max_cstate=1" # Fixes bug where ryzen cpus freeze when in highest C state
+      "clearcpuid=514"
+      # Fixes amdgpu freezing
+      "amdgpu.noretry=0"
+      "amdgpu.ppfeaturemask=0xfffd3fff"
+      "amdgpu.gpu_recovery=1"
+      "amdgpu.lockup_timeout=1000"
+    ];
+    # QubesOS boot entry
+    loader.systemd-boot = {
+      extraFiles = {
+        "efi/edk2-shell/shell.efi" = "${pkgs.edk2-uefi-shell}/shell.efi";
+        "qubes.nsh" = qubesnsh;
+      };
+      extraEntries."qubes.conf" = ''
+        title Qubes OS
+        efi /efi/edk2-shell/shell.efi
+        options -nointerrupt qubes.nsh
+        sort-key ab
+      '';
+    };
+  };
+}

hosts/rotterdam/default.nix

@@ -2,7 +2,11 @@
 
 {
   imports = [
-    ./hardware-configuration.nix
+    ./boot.nix
     ./ephermal.nix
+    ./hardware-configuration.nix
+    ./hardware.nix
+    ./programs.nix
+    ./services.nix
   ];
 }

hosts/rotterdam/hardware-configuration.nix

@@ -72,17 +72,7 @@
         "compress=zstd"
       ];
     };
-    "/swap" = {
-      device = "/dev/disk/by-uuid/3287dbc3-c0fa-4096-a0b3-59b017cfecc8";
-      fsType = "btrfs";
-      options = [
-        "subvol=@swap"
-        "noatime"
-      ];
   };
-  };
-
-  swapDevices = [ { device = "/swap/swapfile"; } ];
 
   networking.useDHCP = lib.mkDefault true;
 

hosts/rotterdam/hardware.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+
+{
+  hardware = {
+    amdgpu = {
+      opencl.enable = true;
+      amdvlk.enable = true;
+    };
+    graphics.extraPackages = with pkgs; [ rocmPackages.clr.icd ];
+  };
+
+  systemd.targets.hibernate.enable = false; # disable non-functional hibernate
+}

hosts/rotterdam/programs.nix

@@ -0,0 +1,33 @@
+{ pkgs, ... }:
+
+let
+  reboot-into-qubes = pkgs.makeDesktopItem {
+    name = "reboot-into-qubes";
+    icon = pkgs.fetchurl {
+      url = "https://raw.githubusercontent.com/vinceliuice/Qogir-icon-theme/31f267e1f5fd4e9596bfd78dfb41a03d3a9f33ee/src/scalable/apps/distributor-logo-qubes.svg";
+      sha256 = "sha256-QbHr7s5Wcs7uFtfqZctMyS0iDbMfiiZOKy2nHhDOfn0=";
+    };
+    desktopName = "Qubes OS";
+    genericName = "Reboot into Qubes OS";
+    categories = [ "System" ];
+    startupNotify = true;
+    exec = pkgs.writeShellScript "reboot-into-qubes" ''
+      ${pkgs.yad}/bin/yad --form \
+                          --title="Qubes OS" \
+                          --image distributor-logo-qubes \
+                          --text "Are you sure you want to reboot into Qubes OS?" \
+                          --button="Yes:0" --button="Cancel:1"
+      if [ $? -eq 0 ]; then
+        systemctl reboot --boot-loader-entry=qubes.conf
+      fi
+    '';
+  };
+in
+
+{
+  environment.systemPackages = [ reboot-into-qubes ];
+
+  services.flatpak.packages = [ "net.retrodeck.retrodeck" ];
+
+  programs.steam.dedicatedServer.openFirewall = true;
+}

hosts/rotterdam/services.nix

@@ -0,0 +1,13 @@
+{ ... }:
+
+{
+  services.keyd = {
+    enable = true;
+    keyboards.main = {
+      ids = [ "5653:0001" ];
+      settings.main = {
+        esc = "overload(meta, esc)";
+      };
+    };
+  };
+}