nixos: Initial netbooting installer

nixos/boxes/home/routing-common/default.nix

@@ -148,9 +148,11 @@ in
                 };
               };
             };
+
+            nginx.enable = true;
           };
 
-          networking.domain = "h.${pubDomain}";
+          networking = { inherit domain; };
 
           systemd.services =
           let
@@ -399,6 +401,11 @@ in
                 }
               '';
             };
+            netboot.server = {
+              enable = true;
+              ip = vips.lo.v4;
+              host = "boot.${domain}";
+            };
           };
         };
       };

nixos/boxes/home/routing-common/dns.nix

@@ -172,6 +172,7 @@ in
             }}
             ${elemAt routers 0} IN AAAA ${net.cidr.host 1 prefixes.hi.v6}
             ${elemAt routers 1} IN AAAA ${net.cidr.host 2 prefixes.hi.v6}
+            boot IN CNAME router-hi.${config.networking.domain}.
 
             @ IN NS ns1
             @ IN NS ns2

nixos/boxes/home/routing-common/kea.nix

@@ -1,4 +1,4 @@
-index: { lib, pkgs, assignments, ... }:
+index: { lib, pkgs, config, assignments, ... }:
 let
   inherit (lib) mkForce;
   inherit (lib.my) net;
@@ -63,6 +63,7 @@ in
               always-send = true;
             }
           ];
+          client-classes = config.my.netboot.server.keaClientClasses;
           subnet4 = [
             {
               id = 1;