From c0d02eea1d6b14644ceb440608d1df642ef1469f Mon Sep 17 00:00:00 2001
From: Mohammad Rafiq <rafiq@rrv.sh>
Date: Thu, 29 May 2025 15:10:57 +0800
Subject: [PATCH] feat(nixosModules/server): add godns dynamic dns

---
 modules/nixos/server/default.nix         | 38 ++++++++++++++++++++++++
 systems/x86_64-linux/apollo/default.nix  |  6 ++++
 systems/x86_64-linux/nemesis/default.nix |  5 +---
 3 files changed, 45 insertions(+), 4 deletions(-)
 create mode 100644 modules/nixos/server/default.nix

diff --git a/modules/nixos/server/default.nix b/modules/nixos/server/default.nix
new file mode 100644
index 0000000..d9ca87c
--- /dev/null
+++ b/modules/nixos/server/default.nix
@@ -0,0 +1,38 @@
+{ lib, config, ... }:
+{
+  options.server = {
+    enableDDNS = lib.mkEnableOption "";
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf config.server.enableDDNS {
+      services.godns = {
+        enable = true;
+        loadCredential = [
+          "cf_token:${config.sops.secrets."keys/cloudflare".path}"
+        ];
+        settings = {
+          provider = "Cloudflare";
+          login_token_file = "$CREDENTIALS_DIRECTORY/cf_token";
+          domains = [
+            {
+              domain_name = "rrv.sh";
+              sub_domains = [
+                "@"
+              ];
+            }
+          ];
+          resolver = "1.1.1.1";
+          ip_urls = [
+            "https://wtfismyip.com/text"
+            "https://api.ipify.org"
+            "https://myip.biturl.top"
+            "https://api-ipv4.ip.sb/ip"
+          ];
+          ip_type = "IPv4";
+          interval = 300;
+        };
+      };
+    })
+  ];
+}
diff --git a/systems/x86_64-linux/apollo/default.nix b/systems/x86_64-linux/apollo/default.nix
index 16482dd..6472c0a 100644
--- a/systems/x86_64-linux/apollo/default.nix
+++ b/systems/x86_64-linux/apollo/default.nix
@@ -3,12 +3,14 @@
   ...
 }:
 {
+
   system = {
     hostname = "apollo";
     mainUser.name = "rafiq";
     mainUser.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILdsZyY3gu8IGB8MzMnLdh+ClDxQQ2RYG9rkeetIKq8n";
     bootloader = "systemd-boot";
   };
+
   hardware = {
     platform = "intel";
     drives.btrfs = {
@@ -18,5 +20,9 @@
     };
   };
 
+  server = {
+    enableDDNS = true;
+  };
+
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }
diff --git a/systems/x86_64-linux/nemesis/default.nix b/systems/x86_64-linux/nemesis/default.nix
index b710bc9..424d89b 100644
--- a/systems/x86_64-linux/nemesis/default.nix
+++ b/systems/x86_64-linux/nemesis/default.nix
@@ -1,7 +1,4 @@
-{
-  lib,
-  ...
-}:
+{ lib, ... }:
 {
   system = {
     hostname = "nemesis";