switched to flakes and built out modularity

modules/control.nix

@@ -0,0 +1,119 @@
+{ lib, ... }:
+
+with lib;
+
+{
+  options.control = {
+    homeassistant.enable = mkEnableOption "Home Assistant";
+
+    jellyfin.enable = mkEnableOption "Jellyfin";
+
+    gitea.enable = mkEnableOption "Gitea";
+
+    navidrome = {
+      enable = mkEnableOption "Navidrome";
+
+      musicFolder = mkOption {
+        type = types.str;
+        default = "/srv/navidrome/music";
+        description = "Folder containing music files.";
+      };
+
+      dataFolder = mkOption {
+        type = types.str;
+        default = "/srv/navidrome/data";
+        description = "Folder for Navidrome state/data.";
+      };
+
+      port = mkOption {
+        type = types.port;
+        default = 4533;
+        description = "Navidrome listen port.";
+      };
+
+      openFirewall = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Open Navidrome port in firewall.";
+      };
+    };
+
+    vaultwarden = {
+      enable = mkEnableOption "Vaultwarden";
+
+      domain = mkOption {
+        type = types.str;
+        default = "http://vaultwarden.local";
+        description = "External URL used by Vaultwarden.";
+      };
+
+      port = mkOption {
+        type = types.port;
+        default = 8222;
+        description = "Vaultwarden listen port.";
+      };
+
+      openFirewall = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Open Vaultwarden port in firewall.";
+      };
+    };
+
+    nextcloud = {
+      enable = mkEnableOption "Nextcloud";
+
+      hostName = mkOption {
+        type = types.str;
+        default = "nextcloud.local";
+        description = "Hostname served by Nextcloud.";
+      };
+
+      adminPassFile = mkOption {
+        type = types.nullOr types.path;
+        default = null;
+        description = "Path to file containing Nextcloud admin password.";
+      };
+
+      openFirewall = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Open HTTP(S) ports used by Nextcloud.";
+      };
+    };
+
+    k3s = {
+      enable = mkEnableOption "k3s";
+
+      role = mkOption {
+        type = types.enum [ "server" "agent" ];
+        default = "server";
+        description = "k3s node role.";
+      };
+
+      clusterInit = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Initialize a new k3s cluster on this node.";
+      };
+
+      serverAddr = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        description = "k3s server address for joining an existing cluster.";
+      };
+
+      tokenFile = mkOption {
+        type = types.nullOr types.path;
+        default = null;
+        description = "Path to file containing shared k3s token.";
+      };
+
+      openFirewall = mkOption {
+        type = types.bool;
+        default = true;
+        description = "Open k3s ports in the firewall.";
+      };
+    };
+  };
+}