ctucx.git: dns.nix

Move example zone from default.nix to test.nix

diff --git a/README.md b/README.md
@@ -8,5 +8,4 @@ This repository provies:
 1. NixOS-style module definitions that describe DNS zones.
 2. A DSL to make building DNS zones easier. (Not implemented yet.)
 
-See `default.nix` for an example module.
-Run `nix-build` to get an example of a zone built from a module.
+See `test.nix` for an example of a zone. Run `nix-build test.nix` to get this zone written to a file.

diff --git a/default.nix b/default.nix
@@ -8,39 +8,8 @@
 
 let
   dns = import ./dns { inherit pkgs; };
-
-  testZone = {
-    SOA = {
-      nameServer = "ns.test.com";
-      adminEmail = "admin@test.com";
-      serial = 2019030800;
-    };
-
-    NS = [
-      { nsdname = "ns.test.com"; }
-      { nsdname = "ns2.test.com"; }
-    ];
-
-    A = [
-      { address = "1.1.1.1"; ttl = 60 * 60; }
-      { address = "1.0.0.1"; ttl = 60 * 60; }
-    ];
-
-    CAA = [
-      { issuerCritical = false;
-        tag = "issue";
-        value = "letsencrypt.org";
-      }
-      { issuerCritical = false;
-        tag = "issuewild";
-        value = ";";
-      }
-      { issuerCritical = false;
-        tag = "iodef";
-        value = "mailto:admin@example.com";
-      }
-    ];
-  };
 in
 
-dns.writeZone "test.com" testZone
+{
+  inherit (dns) evalZone writeZone;
+}

diff --git a/test.nix b/test.nix
@@ -0,0 +1,44 @@
+#
+# © 2019 Kirill Elagin <kirelagin@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+#
+
+let
+  dns = import ./. { };
+
+  testZone = {
+    SOA = {
+      nameServer = "ns.test.com";
+      adminEmail = "admin@test.com";
+      serial = 2019030800;
+    };
+
+    NS = [
+      { nsdname = "ns.test.com"; }
+      { nsdname = "ns2.test.com"; }
+    ];
+
+    A = [
+      { address = "1.1.1.1"; ttl = 60 * 60; }
+      { address = "1.0.0.1"; ttl = 60 * 60; }
+    ];
+
+    CAA = [
+      { issuerCritical = false;
+        tag = "issue";
+        value = "letsencrypt.org";
+      }
+      { issuerCritical = false;
+        tag = "issuewild";
+        value = ";";
+      }
+      { issuerCritical = false;
+        tag = "iodef";
+        value = "mailto:admin@example.com";
+      }
+    ];
+  };
+in
+
+dns.writeZone "test.com" testZone