dns: cleaned up teh implmentation of the dns, partly to make it easier toa dd records and partly to make it really neat config files.

applications/gitlab.nix

@@ -94,13 +94,10 @@
     };
 
     # using https://nixos.org/manual/nixos/stable/index.html#module-services-gitlab as a guide
-    skynet_dns.records.cname = [
-      "${cfg.domain.sub}  CNAME   ${cfg.host.name}"
-    ];
-
-    skynet_dns.records.external = [
+    skynet_dns.records = [
+      {record=cfg.domain.sub; r_type="CNAME"; value=cfg.host.name;}
       # for gitlab pages
-      "*.pages.${cfg.domain.base}.${cfg.domain.tld}. 1800 IN A ${cfg.host.ip}"
+      {record="*.pages.${cfg.domain.base}.${cfg.domain.tld}."; r_type="A"; value=cfg.host.ip;}
     ];
 
     networking.firewall.allowedTCPPorts = [