feat(nixosModules/server): add godns dynamic dns

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;
+        };
+      };
+    })
+  ];
+}

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";
 }

systems/x86_64-linux/nemesis/default.nix

@@ -1,7 +1,4 @@
-{
-  lib,
-  ...
-}:
+{ lib, ... }:
 {
   system = {
     hostname = "nemesis";