dns: parametrised the config

applications/dns.nix

@@ -5,6 +5,57 @@ let
   # reads that date to a string (will need to be fixed in 2038)
   current_date = toString builtins.currentTime;
 
+
+
+  get_config_file = (domain:
+    ''
+    $TTL 60  ; 1 minute
+    ; hostmaster@${domain} is an email address that recieves stuff related to dns
+    @ IN SOA ${cfg.own.nameserver}.${domain}. hostmaster.${domain}. (
+       ; Serial (YYYYMMDDCC) this has to be updated for each time the record is updated
+       ${current_date}
+       600        ; Refresh (10 minutes)
+       300        ; Retry   (5 minutes)
+       604800     ; Expire  (1 week)
+       3600       ; Minimum (1 hour)
+      )
+
+    @ NS  ns1.${domain}.
+    @ NS  ns2.${domain}.
+      ; @ stands for teh root domain so teh A record below is where ${domain} points to
+    @ A   193.1.99.76
+    ;@ MX  5 ${domain}.
+
+    ; can have multiple mailserves
+    ;@ MX  20 mail2.${domain}.
+
+
+    ; ------------------------------------------
+    ; Server Names
+    ; ------------------------------------------
+
+    ; External addresses
+    ; ------------------------------------------
+    ${lib.strings.concatMapStrings (x: x + "\n") cfg.records.external}
+
+
+    ; this is fixed for now
+    wintermute      A       193.1.101.148
+
+
+    ; internal addresses
+    ; ------------------------------------------
+    ; May come back to this idea in teh future
+    ; agentjones.int  A       172.20.20.1
+
+
+    ; cname's
+    ; ------------------------------------------
+    ${lib.strings.concatMapStrings (x: x + "\n") cfg.records.cname}
+
+    ''
+  );
+
 in {
   options = {
     skynet_dns = {
@@ -238,54 +289,7 @@ in {
         # The UNIX file mode bits
         mode = "0644";
 
-
+        text = get_config_file "skynet.ie";
-        text =
-          ''
-          $TTL 60  ; 1 minute
-          ; hostmaster@skynet.ie is an email address that recieves stuff related to dns
-          @ IN SOA ${cfg.own.nameserver}.skynet.ie. hostmaster.skynet.ie. (
-             ; Serial (YYYYMMDDCC) this has to be updated for each time the record is updated
-             ${current_date}
-             600        ; Refresh (10 minutes)
-             300        ; Retry   (5 minutes)
-             604800     ; Expire  (1 week)
-             3600       ; Minimum (1 hour)
-            )
-
-          @ NS  ns1.skynet.ie.
-          @ NS  ns2.skynet.ie.
-            ; @ stands for teh root domain so teh A record below is where skynet.ie points to
-          @ A   193.1.99.76
-          ;@ MX  5 mail.skynet.ie.
-
-          ; can have multiple mailserves
-          ;@ MX  20 mail2.skynet.ie.
-
-
-          ; ------------------------------------------
-          ; Server Names
-          ; ------------------------------------------
-
-          ; External addresses
-          ; ------------------------------------------
-          ${lib.strings.concatMapStrings (x: x + "\n") cfg.records.external}
-
-
-          ; this is fixed for now
-          wintermute      A       193.1.101.148
-
-
-          ; internal addresses
-          ; ------------------------------------------
-          ; May come back to this idea in teh future
-          ; agentjones.int  A       172.20.20.1
-
-
-          ; cname's
-          ; ------------------------------------------
-          ${lib.strings.concatMapStrings (x: x + "\n") cfg.records.cname}
-
-          '';
       };
     };
   };