zones: resolve enthalpy addresses temporarily

nixos/profiles/programs/tools/network.nix

@@ -12,6 +12,7 @@
     ethtool
     ipcalc
     iperf3
+    knot-dns
     nmap
     rsync
     socat

zones/rebmit.link.nix

@@ -2,7 +2,9 @@
 with dns.lib.combinators;
 let
   common = import ./common.nix;
-  hosts = lib.filterAttrs (_name: value: value.endpoints != [ ]) common.hosts;
+  inherit (common) hosts;
+  publicHosts = lib.filterAttrs (_name: value: value.endpoints != [ ]) hosts;
+  enthalpyHosts = lib.filterAttrs (_name: value: value.enthalpy_node_address != null) hosts;
 in
 dns.lib.toString "rebmit.link" {
   inherit (common)
@@ -10,7 +12,10 @@ dns.lib.toString "rebmit.link" {
     SOA
     NS
     ;
-  subdomains = builtins.mapAttrs (_name: value: {
+  subdomains = lib.listToAttrs (
+    lib.mapAttrsToList (
+      name: value:
+      lib.nameValuePair name {
         A = value.endpoints_v4;
         AAAA = value.endpoints_v6;
         HTTPS = [
@@ -21,5 +26,13 @@ dns.lib.toString "rebmit.link" {
             ];
           }
         ];
-  }) hosts;
+      }
+    ) publicHosts
+    ++ lib.mapAttrsToList (
+      name: value:
+      lib.nameValuePair "${name}.enta" {
+        AAAA = [ value.enthalpy_node_address ];
+      }
+    ) enthalpyHosts
+  );
 }