Remove generic foundation WireGuard server module, currently replaced by the tunnel and not required

Signed-off-by: Mel <mel@rnrd.eu>

8 files changed, 5 insertions, 137 deletions

diff --git a/machines/corsac/devices.nix b/machines/corsac/devices.nix
index 06e4f8c..a2215fd 100644
--- a/machines/corsac/devices.nix
+++ b/machines/corsac/devices.nix
@@ -8,7 +8,6 @@
       efi.canTouchEfiVariables = true;
     };
 
-    kernelModules = [ "wireguard" ];
     initrd.systemd.enable = true;
   };
 
diff --git a/machines/fourmi/devices.nix b/machines/fourmi/devices.nix
index 342e89f..c8d2e72 100644
--- a/machines/fourmi/devices.nix
+++ b/machines/fourmi/devices.nix
@@ -24,7 +24,7 @@
     };
 
     plymouth.enable = true;
-    kernelModules = [ "wireguard" ];
+    kernelModules = [ ];
   };
 
   zramSwap = {
diff --git a/machines/lapin/devices.nix b/machines/lapin/devices.nix
index ccf7d75..450baf3 100644
--- a/machines/lapin/devices.nix
+++ b/machines/lapin/devices.nix
@@ -3,7 +3,7 @@
 {
   boot = {
     loader.systemd-boot.enable = true;
-    kernelModules = [ "wireguard" ];
+    kernelModules = [ ];
   };
 
   # testing with replacing swap partitions
diff --git a/machines/renard/devices.nix b/machines/renard/devices.nix
index 6965d7d..aa8d7b9 100644
--- a/machines/renard/devices.nix
+++ b/machines/renard/devices.nix
@@ -3,7 +3,7 @@
 {
   boot.initrd = {
     availableKernelModules = [ "virtio_pci" "virtio_scsi" ];
-    kernelModules = [ "dm-snapshot" "wireguard" ];
+    kernelModules = [ "dm-snapshot" ];
   };
 
   boot.loader.grub = {
diff --git a/machines/taureau/devices.nix b/machines/taureau/devices.nix
index b48c84b..856dcf1 100644
--- a/machines/taureau/devices.nix
+++ b/machines/taureau/devices.nix
@@ -7,7 +7,7 @@
       device = "/dev/sda";
     };
 
-    kernelModules = [ "wireguard" ];
+    kernelModules = [ ];
   };
 
   networking = {
diff --git a/machines/truite/devices.nix b/machines/truite/devices.nix
index 3d8bfce..bc432c1 100644
--- a/machines/truite/devices.nix
+++ b/machines/truite/devices.nix
@@ -7,7 +7,7 @@
       device = "/dev/sda";
     };
 
-    kernelModules = [ "wireguard" ];
+    kernelModules = [ ];
   };
 
   zramSwap = {
diff --git a/modules/foundation/default.nix b/modules/foundation/default.nix
index 68e102a..3905eb8 100644
--- a/modules/foundation/default.nix
+++ b/modules/foundation/default.nix
@@ -3,7 +3,6 @@
 {
   imports = [
     ./tailnet.nix
-    ./wireguard.nix
     ./services
     ./monitoring
     ./www
diff --git a/modules/foundation/wireguard.nix b/modules/foundation/wireguard.nix
deleted file mode 100644
index 366a353..0000000
--- a/modules/foundation/wireguard.nix
+++ /dev/null
@@ -1,130 +0,0 @@
-{
-  config,
-  pkgs,
-  lib,
-  ...
-}:
-
-let
-  inherit (pkgs) iptables;
-
-  inherit (lib)
-    mkIf
-    mkEnableOption
-    mkOption
-    assertMsg
-    types
-    ;
-
-  cfg = config.foundation.wireguard;
-
-  # TODO: we might want to configure these through options?
-
-  wireguardPort = 51820;
-  wireguardIPv4 = number: subnet: "10.123.10.${number}/${subnet}";
-  wireguardIPv6 = number: subnet: "fd0f:123::${number}/${subnet}";
-
-  wireguardInterface = "wg0";
-in
-{
-  options.foundation.wireguard =
-    let
-      peerSubmodule =
-        with types;
-        submodule {
-          options = {
-            ip = mkOption {
-              type = int;
-            };
-
-            key = mkOption {
-              type = str;
-            };
-          };
-        };
-    in
-    {
-      server = {
-        enable = mkEnableOption "wireguard vpn server";
-
-        externalInterface = mkOption {
-          type = types.str;
-          default = "eth0";
-        };
-
-        peers = mkOption {
-          type = types.attrsOf peerSubmodule;
-          default = { };
-        };
-      };
-    };
-
-  config = mkIf cfg.server.enable {
-    age.secrets.wireguard-private-key = {
-      file = ../../secrets/wireguard-private-key.age;
-    };
-
-    # enable nat, to rename internal wireguard ips to external ip (w/ iptables)
-    networking = {
-      nat = {
-        enable = true;
-        internalInterfaces = [ wireguardInterface ];
-        inherit (cfg.server) externalInterface;
-      };
-
-      firewall = {
-        allowedUDPPorts = [ wireguardPort ];
-      };
-    };
-
-    # enable kernel support for ipv6 forwarding
-    boot.kernel.sysctl = {
-      "net.ipv6.conf.all.forwarding" = 1;
-      "net.ipv6.conf.default.forwarding" = 1;
-    };
-
-    networking.wireguard.interfaces.${wireguardInterface} =
-      let
-        inherit (cfg.server) externalInterface;
-
-        peerIPs = peerNumber: [
-          (wireguardIPv4 peerNumber "32")
-          (wireguardIPv6 peerNumber "128")
-        ];
-
-        mkPeer =
-          p:
-          assert assertMsg (p.ip > 1) "ip has to be larger that 1";
-          {
-            allowedIPs = peerIPs (toString p.ip);
-            publicKey = p.key;
-          };
-        peers = map mkPeer (builtins.attrValues cfg.server.peers);
-      in
-      {
-        inherit peers;
-
-        # ip address of server + subnet of network
-        ips = [
-          (wireguardIPv4 "1" "24")
-          (wireguardIPv6 "1" "112")
-        ];
-        listenPort = wireguardPort;
-
-        # route wireguard traffic to the internet
-        # also requires clients to have dns set. (i think)
-        # to avoid, maybe? use wg-quick + dnsmasq?
-        postSetup = ''
-          ${iptables}/bin/iptables -t nat -A POSTROUTING -s ${wireguardIPv4 "0" "24"} -o ${externalInterface} -j MASQUERADE
-          ${iptables}/bin/ip6tables -t nat -A POSTROUTING -s ${wireguardIPv6 "0" "112"} -o ${externalInterface} -j MASQUERADE
-        '';
-
-        postShutdown = ''
-          ${iptables}/bin/iptables -t nat -D POSTROUTING -s ${wireguardIPv4 "0" "24"} -o ${externalInterface} -j MASQUERADE
-          ${iptables}/bin/ip6tables -t nat -D POSTROUTING -s ${wireguardIPv6 "0" "112"} -o ${externalInterface} -j MASQUERADE
-        '';
-
-        privateKeyFile = config.age.secrets.wireguard-private-key.path;
-      };
-  };
-}