modularize users

and other stuff

sys/modules/default.nix

@@ -11,5 +11,6 @@
     ./graphics.nix
     ./virtualisation.nix
     ./android.nix
+    ./users.nix
   ];
 }

sys/modules/users.nix

@@ -0,0 +1,75 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.local.sys.users;
+  userType = types.submodule {
+    options = {
+      enable = mkEnableOption "user settings";
+      unixId = mkOption {
+        # gid and uid are always the same
+        type = types.int;
+      };
+      admin = mkOption {
+        type = types.bool;
+        default = false;
+      };
+      sshKeyPublicFile = mkOption {
+        type = types.listOf types.path;
+        default = [];
+      };
+    };
+  };
+in {
+  options.local.sys.users = mkOption {
+    type = types.attrsOf userType;
+    default = {};
+  };
+
+  config = {
+    local.sys.users = {
+      fabian = {
+        unixId = mkDefault 1000;
+        admin = true;
+      };
+      vanessa = {
+        unixId = mkDefault 1001;
+        admin = false;
+      };
+      soto = {
+        unixId = mkDefault 1010;
+        admin = false;
+      };
+      diaz = {
+        unixId = mkDefault 1011;
+        admin = false;
+      };
+    };
+
+    users = let
+      enabledUsers = filterAttrs (k: v: v.enable) cfg;
+    in {
+      groups =
+        mapAttrs (k: v: {
+          gid = v.unixId;
+        })
+        enabledUsers;
+
+      users =
+        mapAttrs (k: v: {
+          isNormalUser = true;
+          uid = v.unixId;
+          group = k;
+          shell = pkgs.zsh;
+          extraGroups =
+            ["users" "networkmanager"]
+            ++ optionals (v.admin) ["wheel" "libvirtd" "dialout"];
+          openssh.authorizedKeys.keyFiles = v.sshKeyPublicFile;
+        })
+        enabledUsers;
+    };
+  };
+}