From 2b70df9665274660a88274cc2ec14d7bb084019f Mon Sep 17 00:00:00 2001
From: Isabella Bastaja <isabella@sorre.xyz>
Date: Sat, 30 May 2026 16:36:48 +0200
Subject: remove mDNS, just use /etc/hosts

---
 wireguard.nix | 39 +++++++++++++--------------------------
 1 file changed, 13 insertions(+), 26 deletions(-)

(limited to 'wireguard.nix')

diff --git a/wireguard.nix b/wireguard.nix
index b4fb1fa..8709647 100644
--- a/wireguard.nix
+++ b/wireguard.nix
@@ -19,6 +19,7 @@ let
       publicKey = "u5nh+YNV84IbS7g0ncfs/V+cqEudNh500LQ7pmdS7j0=";
     };
   };
+  peers = lib.attrsets.filterAttrs (k: v: k != hostname) hosts;
 
   generatePeer =
     hostname: values:
@@ -30,12 +31,16 @@ let
       Endpoint = values.endpoint;
       PersistentKeepalive = 1;
     };
-  generatePeers =
-    hostname:
-    let
-      peers = lib.attrsets.filterAttrs (k: v: k != hostname) hosts;
-    in
-    lib.attrsets.mapAttrsToList generatePeer peers;
+  generatedPeers = lib.attrsets.mapAttrsToList generatePeer peers;
+
+  stripNetmask = addr: lib.strings.removeSuffix "/128" addr;
+  generatedHosts = lib.attrsets.mapAttrs' (hostname: value: {
+    name = stripNetmask value.address;
+    value = [
+      hostname
+      "${hostname}.internal"
+    ];
+  }) peers;
 in
 {
   sops.secrets."wireguard-${hostname}-pk" = {
@@ -46,7 +51,7 @@ in
     format = "binary";
   };
 
-  services.resolved.settings.Resolve.MulticastDNS = false;
+  networking.hosts = generatedHosts;
   systemd.network = {
     enable = true;
 
@@ -72,25 +77,7 @@ in
         FirewallMark = firewallMark;
       };
 
-      wireguardPeers = generatePeers hostname;
-    };
-  };
-
-  services.avahi = {
-    enable = true;
-    ipv4 = false;
-    nssmdns4 = false;
-    ipv6 = true;
-    nssmdns6 = true;
-    reflector = true;
-    allowInterfaces = [ "wg0" ];
-    publish = {
-      enable = true;
-      userServices = true;
-      workstation = true;
-      domain = true;
+      wireguardPeers = generatedPeers;
     };
-    debug = true;
-    allowPointToPoint = true;
   };
 }
-- 
cgit v1.3.1