feat: add records from non local machines

machines/gustave/nsd.nix

@@ -12,6 +12,34 @@ let
       lib.attrValues nixosConfigurations
     )
   );
+
+  allowedDomains = [
+    "luj.fr"
+    "julienmalka.me"
+    "malka.family"
+    "luj"
+    "luj-static.page"
+  ];
+
+  isVPNDomain = domain: lib.dns.domainToZone [ "luj" ] domain != null;
+
+  zonesFromSnowField = lib.fold (elem: acc: acc // elem) { } (
+    lib.flatten (
+      map (
+        elem:
+        let
+          domains = if builtins.hasAttr "subdomains" elem then elem.subdomains else [ ];
+        in
+        map (domain: {
+          machine.meta.zones.${lib.dns.domainToZone allowedDomains domain}.subdomains =
+            lib.dns.domainToRecords domain elem
+              (isVPNDomain domain);
+        }) domains
+
+      ) (lib.attrValues lib.snowfield)
+    )
+  );
+
   dnsLib = (import inputs.dns).lib;
   evalZones =
     zones:
@@ -35,6 +63,7 @@ let
 
 in
 
+lib.mkMerge [
   {
     services.nsd = {
       enable = true;
@@ -64,3 +93,7 @@ in
     networking.firewall.allowedUDPPorts = [ 53 ];
 
   }
+
+  # DNS Records from all non local configurations are exported here
+  zonesFromSnowField
+]