feat(vault01): global options for vlans decl

machines/nixos/vault01/networking.nix

@@ -12,7 +12,8 @@
 }:
 
 let
-  inherit (lib) mapAttrs' nameValuePair;
+  inherit (lib) mapAttrs' mkOption nameValuePair;
+  inherit (lib.types) listOf attrs;
 
   uplink = {
     ip = "10.120.33.250";
@@ -93,6 +94,7 @@ let
     netIP = "10.0.${toString prefix24nb}.${toString prefix27nb}";
     servIP = "10.0.${toString prefix24nb}.${toString (prefix27nb + 1)}";
     interfaceName = "vlan-user-${toString vlan}";
+    prefixLen = 27;
   }) 850;
 
   vlans = {
@@ -160,8 +162,15 @@ let
     };
   } // builtins.listToAttrs (map mkUserVlan userVlans);
 in
-
 {
+  options.networking.vlans-info = mkOption {
+    type = listOf attrs;
+    description = ''
+      Information about vlans for log analysis.
+    '';
+    readOnly = true;
+  };
+  config = {
     systemd = {
       network = {
         config.routeTables."user" = 1000;
@@ -321,6 +330,18 @@ in
     };
 
     networking = {
+      vlans-info = [
+        {
+          vlan = 2001;
+          netIP = "10.0.254.0";
+          prefixLen = 24;
+        }
+        {
+          vlan = 3001;
+          netIP = "10.0.253.0";
+          prefixLen = 24;
+        }
+      ] ++ userVlans;
       nftables = {
         enable = true;
         tables.nat = {
@@ -350,4 +371,5 @@ in
     users.users."systemd-network".extraGroups = [ "keys" ];
 
     boot.kernel.sysctl."net.ipv4.ip_forward" = true;
+  };
 }