nixos/git: Fix for local access to git.nul.ie

nixos/boxes/colony/vms/git/default.nix

@@ -1,6 +1,7 @@
 { lib, ... }:
 let
   inherit (lib.my) net;
+  inherit (lib.my.c) pubDomain;
   inherit (lib.my.c.colony) domain prefixes;
 in
 {

nixos/boxes/colony/vms/git/gitea.nix

@@ -12,6 +12,10 @@ in
       };
     };
 
+    boot.kernel.sysctl = {
+      "net.ipv4.conf.all.route_localnet" = 1;
+    };
+
     users = {
       users.git = {
         description = "Gitea Service";
@@ -23,6 +27,8 @@ in
       groups.git = {};
     };
 
+    networking.hosts."127.0.0.1" = [ "git.nul.ie" ];
+
     systemd = {
       services = {
         gitea.preStart =
@@ -136,6 +142,12 @@ in
             ip daddr ${assignments.internal.ipv4.address} tcp dport { http, https } dnat to ${allAssignments.middleman.internal.ipv4.address}
             ip6 daddr ${assignments.internal.ipv6.address} tcp dport { http, https } dnat to ${allAssignments.middleman.internal.ipv6.address}
           }
+          chain output {
+            ip daddr 127.0.0.1 tcp dport { http, https } dnat to ${allAssignments.middleman.internal.ipv4.address}
+          }
+          chain postrouting {
+            ip saddr 127.0.0.1 snat to ${assignments.internal.ipv4.address}
+          }
         }
       '';
     };

nixos/modules/firewall.nix

@@ -131,6 +131,9 @@ in
                 chain prerouting {
                   type nat hook prerouting priority dstnat;
                 }
+                chain output {
+                  type nat hook output priority dstnat;
+                }
                 chain postrouting {
                   type nat hook postrouting priority srcnat;
                 }

secrets/gitea/actions-runner.env.age

@@ -1,12 +1,12 @@
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