refactor(server/ddns): make domains modular

modules/nixos/server/default.nix

@@ -6,58 +6,9 @@
 {
   options.server = {
     mountHelios = lib.mkEnableOption "";
-    enableDDNS = lib.mkEnableOption "";
   };
 
   config = lib.mkMerge [
-    (lib.mkIf config.server.enableDDNS {
-      services.godns = {
-        enable = true;
-        loadCredential = [
-          "cf_token:${config.sops.secrets."keys/cloudflare".path}"
-          "telegram_bot_token:${config.sops.secrets."keys/telegram_bot".path}"
-        ];
-        settings = {
-          provider = "Cloudflare";
-          login_token_file = "$CREDENTIALS_DIRECTORY/cf_token";
-          domains = [
-            {
-              domain_name = "rrv.sh";
-              sub_domains = [ "@" ];
-            }
-            {
-              domain_name = "aenyrathia.wiki";
-              sub_domains = [ "@" ];
-            }
-            {
-              domain_name = "bwfiq.com";
-              sub_domains = [ "*" ];
-            }
-            {
-              domain_name = "slayment.com";
-              sub_domains = [ "*" ];
-            }
-          ];
-          resolver = "1.1.1.1";
-          ip_urls = [
-            "https://wtfismyip.com/text"
-            "https://api.ipify.org"
-            "https://myip.biturl.top"
-            "https://api-ipv4.ip.sb/ip"
-          ];
-          ip_type = "IPv4";
-          interval = 300;
-          notify = {
-            telegram = {
-              enabled = true;
-              bot_api_key_file = "$CREDENTIALS_DIRECTORY/telegram_bot_token";
-              chat_id = "384288005";
-              message_template = "Domain *{{ .Domain  }} has been updated to %0A{{ .CurrentIP }}";
-            };
-          };
-        };
-      };
-    })
     (lib.mkIf config.server.mountHelios {
       fileSystems."/media/helios/data" = {
         device = "//helios/data";

modules/nixos/server/networking/ddns/default.nix

@@ -0,0 +1,62 @@
+{ config, lib, ... }:
+let
+  inherit (lib) mkIf mkOption mkEnableOption;
+  inherit (lib.types) enum str listOf;
+  inherit (lib.lists) unique;
+  inherit (builtins) map;
+  cfg = config.server.networking.ddns;
+  mkDomain = domain_name: {
+    inherit domain_name;
+    sub_domains = [
+      "@"
+      "*"
+    ];
+  };
+  # Sanitize the list of domains with unique so we can add to it with every service.
+  mkDomains = map mkDomain (unique cfg.domains);
+in
+{
+  options.server.networking.ddns = {
+    enable = mkEnableOption "";
+    type = mkOption {
+      type = enum [ "godns" ];
+      default = "godns";
+    };
+    domains = mkOption {
+      type = listOf str;
+      default = [ ];
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.godns = {
+      enable = if (cfg.type == "godns") then true else false;
+      loadCredential = [
+        "cf_token:${config.sops.secrets."keys/cloudflare".path}"
+        "telegram_bot_token:${config.sops.secrets."keys/telegram_bot".path}"
+      ];
+      settings = {
+        provider = "Cloudflare";
+        login_token_file = "$CREDENTIALS_DIRECTORY/cf_token";
+        domains = mkDomains;
+        resolver = "1.1.1.1";
+        ip_urls = [
+          "https://wtfismyip.com/text"
+          "https://api.ipify.org"
+          "https://myip.biturl.top"
+          "https://api-ipv4.ip.sb/ip"
+        ];
+        ip_type = "IPv4";
+        interval = 300;
+        notify = {
+          telegram = {
+            enabled = true;
+            bot_api_key_file = "$CREDENTIALS_DIRECTORY/telegram_bot_token";
+            chat_id = "384288005";
+            message_template = "Domain *{{ .Domain  }} has been updated to %0A{{ .CurrentIP }}";
+          };
+        };
+      };
+    };
+  };
+}

modules/nixos/server/web-apps/mattermost/default.nix

@@ -1,5 +1,7 @@
 { config, lib, ... }:
 let
+  inherit (lib) singleton;
+  inherit (lib.pantheon) mkRootDomain;
   cfg = config.server.web-apps.mattermost;
   upstreamCfg = config.services.mattermost;
   mkDir = directory: {
@@ -37,6 +39,7 @@ in
       (mkDir cfg.dataDir)
     ];
     networking.firewall.allowedTCPPorts = lib.singleton cfg.port;
+    server.networking.ddns.domains = singleton (mkRootDomain cfg.url);
     services.mattermost = {
       enable = true;
       inherit (cfg)

systems/x86_64-linux/apollo/default.nix

@@ -20,7 +20,14 @@
   };
 
   server = {
-    enableDDNS = true;
+    networking.ddns = {
+      enable = true;
+      domains = [
+        "rrv.sh"
+        "aenyrathia.wiki"
+        "slayment.com"
+      ];
+    };
     databases = {
       mongodb.enable = true;
       mysql.enable = true;