It builds!

configuration.nix

@@ -35,7 +35,7 @@
     };
     nameservers = [ "1.1.1.1" "1.0.0.1" ];
   };
-  time.timeZone = "Europe/Uzhgorod";
+  time.timeZone = config.services.userdata.timezone;
   i18n.defaultLocale = "en_GB.UTF-8";
   users.users.root.openssh.authorizedKeys.keys = config.services.userdata.rootSshKeys;
   services.openssh = {

mailserver/system/mailserver.nix

@@ -43,6 +43,7 @@ in
             stop;
           }
         '';
+      };
     } // builtins.listToAttrs (builtins.map
       (user: {
         name = "${user.username}@${cfg.domain}";
@@ -60,7 +61,6 @@ in
         };
       })
       cfg.users);
-    };
 
     extraVirtualAliases = {
       "admin@${cfg.domain}" = "${cfg.username}@${cfg.domain}";

social/pleroma.nix

@@ -37,5 +37,7 @@ in
   '';
   users.users.pleroma = {
     extraGroups = [ "postgres" ];
+    isNormalUser = false;
+    isSystemUser = true;
   };
 }

userdata/schema.json

@@ -15,6 +15,9 @@
         "hashedMasterPassword": {
             "type": "string"
         },
+        "timezone": {
+            "type": "string"
+        },
         "backblaze": {
             "type": "object",
             "properties": {

users.nix

@@ -1,12 +1,23 @@
 { pkgs, config, ... }:
+let
+  cfg = config.services.userdata;
+in
 {
   users.mutableUsers = false;
   users = {
     users = {
-      "${config.services.userdata.username}" = {
+      "${cfg.username}" = {
         isNormalUser = true;
-        hashedPassword = config.services.userdata.hashedMasterPassword;
+        hashedPassword = cfg.hashedMasterPassword;
       };
+    } // builtins.listToAttrs (builtins.map
+      (user: {
+        name = "${user.username}";
+        value = {
+          isNormalUser = true;
+          hashedPassword = user.hashedPassword;
         };
+      })
+      cfg.users);
   };
 }

variables-module.nix

@@ -8,19 +8,6 @@ let
     if cfg.direction == ""
     then ""
     else "--direction=${cfg.direction}";
-  userDef = {
-    options = {
-      username = mkOption {
-        type = types.nullOr types.string;
-      };
-      hashedPassword = mkOption {
-        type = types.nullOr types.string;
-      };
-      sshKeys = mkOption {
-        type = types.nullOr types.listOf types.string;
-      };
-    };
-  };
 in
 {
   options.services.userdata = {
@@ -134,7 +121,7 @@ in
       description = ''
         Root SSH Keys
       '';
-      type = types.nullOr types.listOf types.string;
+      type = types.nullOr (types.listOf types.string);
     };
     timezone = mkOption {
       description = ''
@@ -147,7 +134,7 @@ in
       description = ''
         Users that will be created on the server
       '';
-      type = with types; nullOr listOf attrsOf (submodule userDef);
+      type = types.nullOr (types.listOf (types.attrsOf types.anything));
     };
   };
 }

variables.nix

@@ -1,6 +1,6 @@
 { pkgs, ... }:
 {
   services = {
-    userdata = builtins.fromJSON (builtins.readFile "./userdata/userdata.json");
+    userdata = builtins.fromJSON (builtins.readFile ./userdata/userdata.json);
   };
 }