feat: wireguard test

systems/mars/config/wireguard.nix

@@ -0,0 +1,46 @@
+{ config, flake, ... }:
+let
+  inherit (flake.config.services.instances) wireGuard web;
+  inherit (flake.config.machines.devices) mars;
+  service = wireGuard;
+in
+{
+  networking = {
+    wg-quick.interfaces = {
+      wg0 = {
+        address = [ mars.wireguard.ip0 ];
+        privateKeyFile = config.sops.secrets."${service.name}-mars-private".path;
+        peers = [
+          {
+            publicKey = "fs58+Kz+eG9qAXvvMB2NkW+wa88yP61uam4HHWaBJVw=";
+            allowedIPs = [ "${web.localhost.address1}/0" ];
+            endpoint = "${web.remotehost.address0}:${builtins.toString service.ports.port0}";
+            persistentKeepalive = 25;
+          }
+        ];
+      };
+    };
+  };
+
+  sops =
+    let
+      sopsPath = secret: {
+        path = "${service.sops.path0}/${service.name}-${secret}-pass";
+        owner = "root";
+        mode = "600";
+      };
+    in
+    {
+      secrets = builtins.listToAttrs (
+        map
+          (secret: {
+            name = "${service.name}-${secret}";
+            value = sopsPath secret;
+          })
+          [
+            "mars-private"
+            "mars-public"
+          ]
+      );
+    };
+}