ssh: block sleep while conntections acive

devices.nix

@@ -26,6 +26,7 @@ in
   };
   forgejo-runner-1 = {
     system = "aarch64-linux";
+    publicFqdn = "forgejo-runner-1.dev.zerforschen.plus";
     distributedBuilds = {
       isBuilder = true;
       speedFactor = 1;

homeConfigurations/muede/default.nix

@@ -23,6 +23,15 @@
   ];
 
   config = {
+    my = {
+      # keep-sorted start
+      gnome-extensions.enable = true;
+      nano.enable = true;
+      templates.enable = true;
+      zsh.enable = true;
+      # keep-sorted end
+    };
+
     programs = {
       home-manager.enable = true;
       fzf.enable = true;

homeConfigurations/ronja/default.nix

@@ -2,6 +2,14 @@
 {
   imports = [ ./vscode.nix ];
   config = {
+    my = {
+      # keep-sorted start
+      nano.enable = true;
+      templates.enable = true;
+      zsh.enable = true;
+      # keep-sorted end
+    };
+
     home.packages = with pkgs; [
       ## Apps
       telegram-desktop

homeModules/gnome-extensions.nix

@@ -18,7 +18,7 @@
         };
     in
     {
-      enable = mkDefaultEnabledOption "gnome extended options";
+      enable = lib.mkEnableOption "gnome extended options";
       appindicator.enable = mkDefaultEnabledOption "appindicator";
       caffeine.enable = mkDefaultEnabledOption "caffeine";
       tailscale-qs.enable = lib.mkOption {

homeModules/nano.nix

@@ -1,4 +1,8 @@
+{ lib, config, ... }:
 {
+  options.my.nano.enable = lib.mkEnableOption "nano editor config";
+
+  config = lib.mkIf config.my.nano.enable {
     home = {
       sessionVariables.EDITOR = "nano";
       file.".nanorc".text = ''
@@ -6,4 +10,5 @@
         set mouse
       '';
     };
+  };
 }

homeModules/tailscale.nix

@@ -1,4 +1,18 @@
-{ osConfig, thisDevice, ... }:
 {
-  services.tailscale-systray.enable = (thisDevice.isDesktop or false) && osConfig.my.tailscale.enable;
+  lib,
+  config,
+  osConfig,
+  thisDevice,
+  ...
+}:
+{
+  options.my.tailscale.enable = lib.mkOption {
+    type = lib.types.bool;
+    default = (thisDevice.isDesktop or false) && osConfig.my.tailscale.enable;
+    description = "Whether to enable the Tailscale system tray applet. Defaults to true on desktops with Tailscale enabled.";
+  };
+
+  config = lib.mkIf config.my.tailscale.enable {
+    services.tailscale-systray.enable = true;
+  };
 }

homeModules/templates.nix

@@ -1,4 +1,8 @@
+{ lib, config, ... }:
 {
+  options.my.templates.enable = lib.mkEnableOption "file templates";
+
+  config = lib.mkIf config.my.templates.enable {
     home.file = {
       "Templates/Empty file".text = "";
       "Templates/Empty bash script".text = ''
@@ -9,4 +13,5 @@
         set -x
       '';
     };
+  };
 }

homeModules/zsh-basics.nix

@@ -1,4 +1,8 @@
+{ lib, config, ... }:
 {
+  options.my.zsh.enable = lib.mkEnableOption "zsh with basic settings";
+
+  config = lib.mkIf config.my.zsh.enable {
     programs = {
       command-not-found.enable = true;
       dircolors.enable = true;
@@ -10,4 +14,5 @@
         enableVteIntegration = true;
       };
     };
+  };
 }

nixosConfigurations.nix

@@ -45,10 +45,6 @@ forDevice (
       # keep-sorted start
       home-manager.nixosModules.home-manager
       lanzaboote.nixosModules.lanzaboote
-      nova-shell.nixosModules.default
-      servicepoint-cli.nixosModules.default
-      servicepoint-simulator.nixosModules.default
-      servicepoint-tanks.nixosModules.default
       stylix.nixosModules.stylix
       zerforschen-plus.nixosModules.default
       # keep-sorted end
@@ -80,15 +76,32 @@ forDevice (
           lixIsNix.enable = true;
           openssh.enable = true;
           overlays.unstable.enable = true;
-          overlays.vscodeExtensions.enable = true;
           # prometheusNode.enable = true;
           systemdBoot.enable = true;
           tailscale.enable = true;
           # keep-sorted end
+
+          # keep-sorted start
+          enDe.enable = isDesktop;
+          firmwareUpdates.enable = isDesktop;
+          gnome.enable = isDesktop;
+          kdeconnect.enable = isDesktop;
+          modernDesktop.enable = isDesktop;
+          nixLd.enable = isDesktop;
+          overlays.vscodeExtensions.enable = isDesktop;
+          quietBoot.enable = isDesktop;
+          stylix.enable = isDesktop;
+          # keep-sorted end
         };
       }
     ]
     ++ lib.optionals isDesktop [
+      inputs.niri.nixosModules.niri
+      nova-shell.nixosModules.default
+      servicepoint-cli.nixosModules.default
+      servicepoint-simulator.nixosModules.default
+      servicepoint-tanks.nixosModules.default
+
       # Desktop config
       {
         home-manager = {
@@ -96,16 +109,7 @@ forDevice (
           useGlobalPkgs = true;
           useUserPackages = true;
           users = home-manager-users;
-          sharedModules = [
-            { home.stateVersion = "22.11"; }
-            # keep-sorted start
-            self.homeModules.gnome-extensions
-            self.homeModules.nano
-            self.homeModules.tailscale
-            self.homeModules.templates
-            self.homeModules.zsh-basics
-            # keep-sorted end
-          ];
+          sharedModules = [ { home.stateVersion = "22.11"; } ] ++ builtins.attrValues self.homeModules;
         };
 
         time.timeZone = "Europe/Berlin";
@@ -115,19 +119,6 @@ forDevice (
           daemonCPUSchedPolicy = "idle";
           daemonIOSchedClass = "idle";
         };
-
-        my = {
-          # keep-sorted start
-          enDe.enable = true;
-          firmwareUpdates.enable = true;
-          gnome.enable = true;
-          kdeconnect.enable = true;
-          modernDesktop.enable = true;
-          nixLd.enable = true;
-          quietBoot.enable = true;
-          stylix.enable = true;
-          # keep-sorted end
-        };
       }
     ];
   }

nixosConfigurations/damocles/android-dev.nix

@@ -12,7 +12,7 @@ in
 {
   nixpkgs.config.android_sdk.accept_license = true;
 
-  allowedUnfreePackages = [
+  my.allowedUnfreePackages = [
     "android-sdk-cmdline-tools"
     "android-sdk-platform-tools"
     "android-sdk-tools"

nixosConfigurations/damocles/claude-container.nix

@@ -5,8 +5,10 @@
 }:
 {
 
-  my.overlays.unstable.enable = true;
+  my = {
     allowedUnfreePackages = [ "claude-code" ];
+    overlays.unstable.enable = true;
+  };
 
   environment.systemPackages = with pkgs; [
     unstable.claude-code

nixosConfigurations/muede-lpt2/default.nix

@@ -5,13 +5,17 @@
   ];
 
   config = {
-    my.users.muede.enable = true;
-    my.wineGaming.enable = true;
-    my.steam.enable = true;
-    my.podman.enable = true;
-    my.muedeDesktopSettings.enable = true;
-    my.intelGraphics.enable = true;
-    my.secureBoot.enable = true;
+    my = {
+      # keep-sorted start
+      intelGraphics.enable = true;
+      muedeDesktopSettings.enable = true;
+      podman.enable = true;
+      secureBoot.enable = true;
+      steam.enable = true;
+      users.muede.enable = true;
+      wineGaming.enable = true;
+      # keep-sorted end
+    };
 
     nix.settings.extra-platforms = [
       "aarch64-linux"

nixosConfigurations/muede-pc2/default.nix

@@ -7,13 +7,17 @@
   ];
 
   config = {
-    my.users.muede.enable = true;
-    my.wineGaming.enable = true;
-    my.steam.enable = true;
-    my.podman.enable = true;
-    my.muedeDesktopSettings.enable = true;
-    my.amdGraphics.enable = true;
-    my.secureBoot.enable = true;
+    my = {
+      # keep-sorted start
+      amdGraphics.enable = true;
+      muedeDesktopSettings.enable = true;
+      podman.enable = true;
+      secureBoot.enable = true;
+      steam.enable = true;
+      users.muede.enable = true;
+      wineGaming.enable = true;
+      # keep-sorted end
+    };
 
     boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
     nix.settings.extra-platforms = [

nixosConfigurations/ronja-pc/default.nix

@@ -5,10 +5,14 @@
   ];
 
   config = {
-    my.users.ronja.enable = true;
-    my.steam.enable = true;
-    my.wineGaming.enable = true;
-    my.muedeDesktopSettings.enable = true;
+    my = {
+      # keep-sorted start
+      muedeDesktopSettings.enable = true;
+      steam.enable = true;
+      users.ronja.enable = true;
+      wineGaming.enable = true;
+      # keep-sorted end
+    };
 
     # Configure keymap in X11
     services.xserver.xkb = {

nixosModules/allowed-unfree-list.nix

@@ -1,6 +1,6 @@
 { lib, config, ... }:
 {
-  options.allowedUnfreePackages = lib.mkOption {
+  options.my.allowedUnfreePackages = lib.mkOption {
     type = lib.types.listOf lib.types.str;
     default = [ ];
     example = [ "steam" ];
@@ -10,7 +10,7 @@
     nixpkgs.config = {
       # https://github.com/NixOS/nixpkgs/issues/197325#issuecomment-1579420085
       allowUnfreePredicate = lib.mkDefault (
-        pkg: builtins.elem (lib.getName pkg) config.allowedUnfreePackages
+        pkg: builtins.elem (lib.getName pkg) config.my.allowedUnfreePackages
       );
     };
   };

nixosModules/distributed-builds.nix

@@ -21,23 +21,26 @@ let
     _: v: (v.distributedBuilds or { }).isBuilder or false
   ) allDevices;
 
+  sshHostname = m: m.publicFqdn or m.hostName;
+
   buildServerKnownHosts = lib.pipe buildServerDevices [
     (lib.filterAttrs (_: v: v.distributedBuilds ? hostPublicKey))
     (lib.mapAttrs (
-      _: v: {
+      name: v: {
         publicKey = v.distributedBuilds.hostPublicKey;
+        hostNames = [ (v.publicFqdn or name) ];
       }
     ))
   ];
 
-  remoteBuildServerDevices = builtins.filter (
-    m: m.hostName != config.networking.hostName
-  ) (lib.mapAttrsToList (name: v: v // { hostName = name; }) buildServerDevices);
+  remoteBuildServerDevices = builtins.filter (m: m.hostName != config.networking.hostName) (
+    lib.mapAttrsToList (name: v: v // { hostName = name; }) buildServerDevices
+  );
 
   buildMachines = map (
     m:
     {
-      hostName = m.hostName;
+      hostName = sshHostname m;
       systems = [ m.system ];
       sshUser = buildUser;
       sshKey = clientSshKeyPath;
@@ -64,7 +67,23 @@ in
 
       # All machines
       {
+        assertions =
+          lib.mapAttrsToList (name: v: {
+            assertion = v.distributedBuilds ? hostPublicKey && v.distributedBuilds ? storeSigningPublicKey;
+            message = "devices.${name}: isBuilder = true requires distributedBuilds.hostPublicKey and distributedBuilds.storeSigningPublicKey";
+          }) buildServerDevices
+          ++ lib.mapAttrsToList (name: v: {
+            assertion = lib.hasPrefix "ssh-" v.distributedBuilds.clientPublicKey;
+            message = "devices.${name}: distributedBuilds.clientPublicKey must start with 'ssh-'";
+          }) (lib.filterAttrs (_: v: (v.distributedBuilds or { }) ? clientPublicKey) allDevices)
+          ++ lib.mapAttrsToList (name: v: {
+            assertion = builtins.match ".+:.+" v.distributedBuilds.storeSigningPublicKey != null;
+            message = "devices.${name}: distributedBuilds.storeSigningPublicKey must be in '<name>:<base64>' format";
+          }) (lib.filterAttrs (_: v: (v.distributedBuilds or { }) ? storeSigningPublicKey) allDevices);
+
         nix.settings = {
+          #fallback = true;
+          connect-timeout = 5;
           trusted-public-keys = lib.pipe buildServerDevices [
             (lib.mapAttrsToList (_: v: v.distributedBuilds.storeSigningPublicKey or null))
             (builtins.filter (k: k != null))
@@ -103,11 +122,20 @@ in
         programs.ssh = {
           knownHosts = buildServerKnownHosts;
           extraConfig = lib.concatStringsSep "\n" (
-            lib.mapAttrsToList (name: _: ''
-              Match originalhost ${name} user ${buildUser}
+            lib.mapAttrsToList (
+              name: v:
+              let
+                names = lib.unique [
+                  name
+                  (v.publicFqdn or name)
+                ];
+              in
+              ''
+                Match originalhost ${lib.concatStringsSep "," names} user ${buildUser}
                   IdentityFile ${clientSshKeyPath}
                   IdentitiesOnly yes
-            '') buildServerDevices
+              ''
+            ) buildServerDevices
           );
         };
         nix = {
@@ -115,7 +143,7 @@ in
           buildMachines = buildMachines;
           settings = {
             builders-use-substitutes = true;
-            substituters = map (m: "ssh-ng://${buildUser}@${m.hostName}") (
+            substituters = map (m: "ssh-ng://${buildUser}@${sshHostname m}") (
               builtins.filter (m: m.distributedBuilds ? storeSigningPublicKey) remoteBuildServerDevices
             );
           };

nixosModules/gnome.nix

@@ -5,9 +5,9 @@
   ...
 }:
 {
-  options = {
-    my.gnome.enable = lib.mkEnableOption "GNOME desktop environment";
-    my.gnome.keep-default-apps = lib.mkEnableOption "keep gnome default apps";
+  options.my.gnome = {
+    enable = lib.mkEnableOption "GNOME desktop environment";
+    keep-default-apps = lib.mkEnableOption "keep gnome default apps";
   };
 
   config = lib.mkIf config.my.gnome.enable (

nixosModules/intel-graphics.nix

@@ -22,6 +22,6 @@
       ];
     };
     environment.systemPackages = with pkgs; [ nvtopPackages.intel ];
-    allowedUnfreePackages = [ "intel-ocl" ];
+    my.allowedUnfreePackages = [ "intel-ocl" ];
   };
 }

nixosModules/muede-desktop-settings.nix

@@ -2,12 +2,9 @@
   lib,
   config,
   pkgs,
-  niri,
   ...
 }:
 {
-  imports = [ niri.nixosModules.niri ];
-
   options.my.muedeDesktopSettings.enable = lib.mkEnableOption "muede desktop settings (Firefox, Logitech, RDP)";
 
   config = lib.mkIf config.my.muedeDesktopSettings.enable {

nixosModules/openssh.nix

@@ -1,4 +1,10 @@
-{ lib, config, ... }:
+{
+  lib,
+  config,
+  pkgs,
+  thisDevice,
+  ...
+}:
 {
   options.my.openssh.enable = lib.mkEnableOption "OpenSSH server";
 
@@ -12,5 +18,35 @@
         KbdInteractiveAuthentication = false;
       };
     };
+
+    # On desktops, hold a systemd sleep inhibitor while SSH connections are active
+    security.pam.services.sshd.rules.session.ssh-inhibit = lib.mkIf (thisDevice.isDesktop or false) {
+      order = 10000;
+      control = "optional";
+      modulePath = "${pkgs.pam}/lib/security/pam_exec.so";
+      args = [
+        "quiet"
+        "${pkgs.writeShellScript "ssh-inhibit-pam" ''
+          PIDFILE="/run/ssh-inhibitor-''${PPID}.pid"
+          case "''${PAM_TYPE:-}" in
+            open)
+              ${pkgs.systemd}/bin/systemd-inhibit \
+                --what=sleep \
+                --who=sshd \
+                --why="SSH session active" \
+                --mode=block \
+                sleep infinity &
+              echo $! > "$PIDFILE"
+              ;;
+            close)
+              if [ -f "$PIDFILE" ]; then
+                kill "$(cat "$PIDFILE")" 2>/dev/null || true
+                rm -f "$PIDFILE"
+              fi
+              ;;
+          esac
+        ''}"
+      ];
+    };
   };
 }

nixosModules/steam.nix

@@ -40,7 +40,7 @@
       ];
     };
 
-    allowedUnfreePackages = [
+    my.allowedUnfreePackages = [
       "steam"
       "steam-original"
       "steam-run"

nixosModules/user-muede.nix

@@ -31,7 +31,7 @@
 
     nix.settings.trusted-users = [ "muede" ];
 
-    allowedUnfreePackages = [
+    my.allowedUnfreePackages = [
       "rider"
       "pycharm-professional"
       "jetbrains-toolbox"