Fix octodns setup

dns/common.nix

@@ -69,7 +69,6 @@ let
 in
 # }}}
 {
-  satellite.dns.domain = "moonythm.dev";
   satellite.dns.records = lib.flatten [
     (ghPage "doffycup")
     (ghPage "erratic-gate")

dns/pkgs.nix

@@ -1,37 +1,48 @@
-{ pkgs, self, ... }: rec {
+{ pkgs, self, ... }:
+rec {
   octodns-zones =
     let
-      nixosConfigModules = pkgs.lib.mapAttrsToList
-        (_: current: { satellite.dns = current.config.satellite.dns; })
-        self.nixosConfigurations;
+      nixosConfigModules = pkgs.lib.mapAttrsToList (
+        key: current:
+        # The iso image doesn't do any dns stuff
+        if key == "iso" then
+          { }
+        else
+          # Copy over all dns records
+          { satellite.dns = current.config.satellite.dns; }
+      ) self.nixosConfigurations;
 
       evaluated = pkgs.lib.evalModules {
-        specialArgs = { inherit pkgs; };
+        specialArgs = {
+          inherit pkgs;
+        };
         modules = [
           ../modules/nixos/dns.nix
           ../modules/common/octodns.nix
           ./common.nix
-        ]
-        ++ nixosConfigModules;
+        ] ++ nixosConfigModules;
       };
     in
     evaluated.config.satellite.dns.octodns;
-  octodns-sync =
-    pkgs.symlinkJoin {
-      name = "octodns-sync";
-      paths = [ self.packages.${pkgs.system}.octodns ];
-      buildInputs = [ pkgs.makeWrapper pkgs.yq ];
-      postBuild = ''
-        cat ${./octodns.yaml} | yq '.providers.zones.directory="${octodns-zones}"' > $out/config.yaml
-        wrapProgram $out/bin/octodns-sync \
-          --run 'export CLOUDFLARE_TOKEN=$( \
-              sops \
-                --decrypt \
-                --extract "[\"cloudflare_dns_api_token\"]" \
-                ./hosts/nixos/common/secrets.yaml \
-            )' \
-          --add-flags "--config-file $out/config.yaml"
-      '';
-    };
-}
 
+  octodns-sync = pkgs.symlinkJoin {
+    name = "octodns-sync";
+    paths = [ self.packages.${pkgs.system}.octodns ];
+    buildInputs = [
+      pkgs.makeWrapper
+      pkgs.yq
+    ];
+
+    postBuild = ''
+      cat ${./octodns.yaml} | yq '.providers.zones.directory="${octodns-zones}"' > $out/config.yaml
+      wrapProgram $out/bin/octodns-sync \
+        --run 'export CLOUDFLARE_TOKEN=$( \
+            sops \
+              --decrypt \
+              --extract "[\"cloudflare_dns_api_token\"]" \
+              ./hosts/nixos/common/secrets.yaml \
+          )' \
+        --add-flags "--config-file $out/config.yaml"
+    '';
+  };
+}