initial refactoring

platforms/nixos/modules/services/cloudflare-dyndns-noproxy.nix

@@ -0,0 +1,53 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.services.cloudflare-dyndns-no-proxy;
+in
+
+{
+
+  options.services.cloudflare-dyndns-no-proxy.enable = lib.mkEnableOption "Cloudflare dyndns client without proxying";
+
+  config = lib.mkIf cfg.enable {
+
+    # Run a second copy of dyn-dns for non-proxied domains
+    # Adapted from: https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/services/networking/cloudflare-dyndns.nix
+    systemd.services.cloudflare-dyndns-noproxy =
+      lib.mkIf ((builtins.length config.cloudflare.noProxyDomains) > 0)
+        {
+          description = "CloudFlare Dynamic DNS Client (no proxy)";
+          after = [
+            "network.target"
+            "cloudflare-api-secret.service"
+          ];
+          requires = [ "cloudflare-api-secret.service" ];
+          wantedBy = [ "multi-user.target" ];
+          startAt = "*:0/5";
+
+          environment = {
+            CLOUDFLARE_DOMAINS = toString config.cloudflare.noProxyDomains;
+          };
+
+          serviceConfig = {
+            Type = "simple";
+            DynamicUser = true;
+            StateDirectory = "cloudflare-dyndns-noproxy";
+            EnvironmentFile = config.services.cloudflare-dyndns.apiTokenFile;
+            ExecStart =
+              let
+                args =
+                  [ "--cache-file /var/lib/cloudflare-dyndns-noproxy/ip.cache" ]
+                  ++ (if config.services.cloudflare-dyndns.ipv4 then [ "-4" ] else [ "-no-4" ])
+                  ++ (if config.services.cloudflare-dyndns.ipv6 then [ "-6" ] else [ "-no-6" ])
+                  ++ lib.optional config.services.cloudflare-dyndns.deleteMissing "--delete-missing";
+              in
+              "${pkgs.cloudflare-dyndns}/bin/cloudflare-dyndns ${toString args}";
+          };
+        };
+  };
+}