flake-modules/example-vm.nix

@@ -1,46 +1,55 @@
 { inputs, lib, ... }:
+let
+  system = "x86_64-linux";
+  overlays = builtins.attrValues inputs.self.overlays;
+  config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "steam-original" ];
+  pkgs = import inputs.nixpkgs { inherit system overlays config; };
+in
 {
   # Example vm configuration
-  flake.nixosConfigurations.vm =
-    let
-      system = "x86_64-linux";
-      overlays = builtins.attrValues inputs.self.overlays;
-      config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "steam-original" ];
-      pkgs = import inputs.nixpkgs { inherit system overlays config; };
-    in
-    lib.nixosSystem {
-      inherit system pkgs;
-      modules = [
-        inputs.self.nixosModules.vm # import vm module
-        {
-          time.timeZone = "Europe/Berlin";
-          i18n.defaultLocale = "en_US.UTF-8";
-          users.users.jdoe = {
-            password = "example";
-            isNormalUser = true;
-            extraGroups = [
-              "wheel"
-              "video"
-              "networkmanager"
-            ];
+  flake.nixosConfigurations.vm = lib.nixosSystem {
+    inherit system pkgs;
+    modules = [
+      inputs.self.nixosModules.vm # import vm module
+      {
+        time.timeZone = "Europe/Berlin";
+        i18n.defaultLocale = "en_US.UTF-8";
+        users.users.jdoe = {
+          password = "example";
+          isNormalUser = true;
+          extraGroups = [
+            "wheel"
+            "video"
+            "networkmanager"
+          ];
+        };
+        home-manager.users.jdoe = {
+          home = {
+            username = "jdoe";
+            homeDirectory = "/home/jdoe";
           };
-          home-manager.users.jdoe = {
-            home = {
-              username = "jdoe";
-              homeDirectory = "/home/jdoe";
-            };
-            jhome = {
-              enable = true;
-              gui.enable = true;
-              dev.rust.enable = true;
-            };
-          };
-          nix.registry.nixpkgs.flake = inputs.nixpkgs;
-          jconfig = {
+          jhome = {
             enable = true;
             gui.enable = true;
+            dev = {
+              enable = true;
+              rust.enable = true;
+            };
           };
-        }
-      ];
-    };
+        };
+        nix.registry.nixpkgs.flake = inputs.nixpkgs;
+        # password is 'test' see module documentation for more options
+        services.jupyter.password = "'sha1:1b961dc713fb:88483270a63e57d18d43cf337e629539de1436ba'";
+        jconfig = {
+          enable = true;
+          dev = {
+            enable = true;
+            jupyter.enable = true;
+          };
+          gui.enable = true;
+        };
+      }
+    ];
+  };
+
 }

system/default.nix

@@ -26,92 +26,105 @@ in
     { stylix = import ./stylix-config.nix { inherit config pkgs; }; }
   ];
 
-  config = lib.mkIf cfg.enable {
-    boot.plymouth.enable = cfg.styling.enable;
-
-    # Enable unlocking the gpg-agent at boot (configured through home.nix)
-    security.pam.services.login.gnupg.enable = true;
-
-    environment.systemPackages = [
-      # CLI tools
-      pkgs.fd
-      pkgs.bat
-      pkgs.skim
-      pkgs.ripgrep
-      pkgs.du-dust
-      pkgs.curl
-      pkgs.wget
-      pkgs.eza
-      pkgs.zip
-      pkgs.unzip
-    ];
-
-    # Enable dev documentation
-    documentation.dev.enable = cfg.dev.enable;
-    programs = {
-      # Shell prompt
-      starship = {
-        enable = true;
-        settings = lib.mkIf cfg.styling.enable {
-          format = "$time$all";
-          add_newline = false;
-          cmd_duration.min_time = 500;
-          cmd_duration.show_milliseconds = true;
-          time = {
-            format = "[$time](bold yellow) ";
-            disabled = false;
-          };
-          status = {
-            format = "[$signal_name$common_meaning$maybe_int](red)";
-            symbol = "[✗](bold red)";
-            disabled = false;
-          };
-          sudo.disabled = false;
+  config = lib.mkIf cfg.enable (
+    lib.mkMerge [
+      {
+        boot.plymouth = {
+          inherit (cfg.styling) enable;
         };
-      };
-      # Default shell
-      zsh.enable = true;
-    };
 
-    environment.etc = keysFromGithub;
-    services = {
-      # Enable printer autodiscovery if printing is enabled
-      avahi = {
-        inherit (config.services.printing) enable;
-        nssmdns4 = true;
-        openFirewall = true;
-      };
-      openssh.authorizedKeysFiles = builtins.map (path: "/etc/${path}") (
-        builtins.attrNames keysFromGithub
-      );
-      jupyter = {
-        inherit (cfg.dev) enable;
-        group = "users";
-      };
-    };
-    users.defaultUserShell = pkgs.zsh;
-    # Open ports for spotifyd
-    networking.firewall = {
-      allowedUDPPorts = [ 5353 ];
-      allowedTCPPorts = [ 2020 ];
-    };
-    # Nix Settings
-    nix = {
-      gc = {
-        automatic = true;
-        dates = "weekly";
-        options = "--delete-older-than 30d";
-        # run between 0 and 45min after boot if run was missed
-        randomizedDelaySec = "45min";
-      };
-      settings = {
-        use-xdg-base-directories = true;
-        auto-optimise-store = true;
-        experimental-features = [
-          "nix-command"
-          "flakes"
+        # Enable unlocking the gpg-agent at boot (configured through home.nix)
+        security.pam.services.login.gnupg.enable = true;
+
+        environment.systemPackages = [
+          # CLI tools
+          pkgs.fd
+          pkgs.bat
+          pkgs.skim
+          pkgs.ripgrep
+          pkgs.du-dust
+          pkgs.curl
+          pkgs.wget
+          pkgs.eza
+          pkgs.zip
+          pkgs.unzip
         ];
-      };
-    };
-  };
+
+        # Enable dev documentation
+        documentation.dev = {
+          inherit (cfg.dev) enable;
+        };
+        programs = {
+          # Shell prompt
+          starship = {
+            enable = true;
+            settings = {
+              format = "$time$all";
+              add_newline = false;
+              cmd_duration.min_time = 500;
+              cmd_duration.show_milliseconds = true;
+              time = {
+                format = "[$time](bold yellow) ";
+                disabled = false;
+              };
+              status = {
+                format = "[$signal_name$common_meaning$maybe_int](red)";
+                symbol = "[✗](bold red)";
+                disabled = false;
+              };
+              sudo.disabled = false;
+            };
+          };
+          # Default shell
+          zsh.enable = true;
+        };
+
+        environment.etc = keysFromGithub;
+        services = {
+          # Enable printer autodiscovery if printing is enabled
+          avahi = {
+            inherit (config.services.printing) enable;
+            nssmdns4 = true;
+            openFirewall = true;
+          };
+          openssh.authorizedKeysFiles = builtins.map (path: "/etc/${path}") (
+            builtins.attrNames keysFromGithub
+          );
+        };
+        users.defaultUserShell = pkgs.zsh;
+        # Open ports for spotifyd
+        networking.firewall = {
+          allowedUDPPorts = [ 5353 ];
+          allowedTCPPorts = [ 2020 ];
+        };
+        # Nix Settings
+        nix = {
+          gc = {
+            automatic = true;
+            dates = "weekly";
+            options = "--delete-older-than 30d";
+            # run between 0 and 45min after boot if run was missed
+            randomizedDelaySec = "45min";
+          };
+          settings = {
+            use-xdg-base-directories = true;
+            auto-optimise-store = true;
+            experimental-features = [
+              "nix-command"
+              "flakes"
+            ];
+          };
+        };
+      }
+      # dev configuration
+      (lib.mkIf cfg.dev.enable {
+        users.extraUsers = lib.mkIf cfg.dev.jupyter.enable { jupyter.group = "jupyter"; };
+        services.jupyter = {
+          inherit (cfg.dev.jupyter) enable;
+          group = "jupyter";
+          user = "jupyter";
+        };
+      })
+    ]
+  );
 }

system/options.nix

@@ -60,7 +60,10 @@ let
     dev = lib.mkOption {
       description = "Options for setting up a dev environment";
       default = { };
-      type = types.submodule { options.enable = lib.mkEnableOption "dev configuration"; };
+      type = types.submodule {
+        options.enable = lib.mkEnableOption "dev configuration";
+        options.jupyter.enable = lib.mkEnableOption "jupyter configuration";
+      };
     };
     gui = lib.mkOption {
       description = "Jalil's default configuration for a NixOS gui.";