From 7334aded8900a0c9b0edda92f77d0c971fb16193 Mon Sep 17 00:00:00 2001
From: Ember 'n0emis' Keske <git@n0emis.eu>
Date: Thu, 10 Mar 2022 21:25:03 +0100
Subject: [PATCH] add domain config

---
 default.nix        | 49 +++++++++++++++++++++++++++++++++++++++++++++-
 flake.lock         | 42 +++++++++++++++++++++++++++++++++++++++
 modules/batman.nix |  8 ++++----
 3 files changed, 94 insertions(+), 5 deletions(-)
 create mode 100644 flake.lock

diff --git a/default.nix b/default.nix
index 873f28b..de10968 100644
--- a/default.nix
+++ b/default.nix
@@ -4,11 +4,12 @@ with lib;
 
 let
   cfg = config.ffnix;
+  activeDomains = attrsets.filterAttrs (n: v: v.enable) cfg.domains;
 in
 {
   options.ffnix = {
     enable = mkEnableOption "ffnix";
-    batman-legacy = mkOption {
+    batmanLegacy = mkOption {
       default = false;
       example = true;
       type = types.bool;
@@ -33,12 +34,58 @@ in
         default = "";
       };
     };
+    domains = mkOption {
+      description = "Freifunk Domains (a domain is a seperated L2 network segment)";
+      default = {};
+      type = with types; attrsOf (submodule {
+        options = {
+          enable = mkEnableOption "ffnix Site";
+          ipv4Prefix = mkOption {
+            type = types.str;
+          };
+          ipv6Prefixes = mkOption {
+            type = types.listOf types.str;
+          };
+          addresses = mkOption {
+            type = types.listOf types.str;
+          };
+          routingTable = mkOption {
+            type = types.int;
+          };
+          mtu = mkOption {
+            type = types.int;
+          };
+          enableRadvd = mkOption {
+            default = false;
+            type = types.bool;
+          };
+          radvdPrefixes = mkOption {
+            default = [];
+            type = types.listOf types.str;
+          };
+          dhcpRange = mkOption {
+            default = "";
+            type = types.str;
+          };
+          searchDomains = mkOption {
+            default = [];
+            type = types.listOf types.str;
+          };
+          tunnels = mkOption {
+            default = {};
+            type = (pkgs.formats.json {}).type;
+          };
+        };
+      });
+    };
   };
 
   config = mkIf cfg.enable {
     services.vnstat.enable = true;
 
     programs.mtr.enable = true;
+
+    environment.etc."ffnix.json".source = pkgs.writeText "ffnix.json" (generators.toJSON {} activeDomains);
   };
 
   imports = [
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..c9e816e
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1644229661,
+        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1646857268,
+        "narHash": "sha256-ZNfRkT+XwnYMhvzbmmV3HcK9iAarJn7BcZ2JWOaYXVU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d26d5d86827500826b0dbb713d26749a791f7be5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/modules/batman.nix b/modules/batman.nix
index 95e5799..1f88273 100644
--- a/modules/batman.nix
+++ b/modules/batman.nix
@@ -10,11 +10,11 @@ in
     boot.kernelModules = [ "batman_adv" ];
 
     boot.extraModulePackages = []
-      ++ lib.optional (!cfg.batman-legacy) config.boot.kernelPackages.batman_adv
-      ++ lib.optional cfg.batman-legacy (pkgs.batman-adv-legacy config.boot.kernelPackages);
+      ++ lib.optional (!cfg.batmanLegacy) config.boot.kernelPackages.batman_adv
+      ++ lib.optional cfg.batmanLegacy (pkgs.batman-adv-legacy config.boot.kernelPackages);
 
     environment.systemPackages = []
-      ++ lib.optional (!cfg.batman-legacy) pkgs.batctl
-      ++ lib.optional cfg.batman-legacy pkgs.batctl-legacy;
+      ++ lib.optional (!cfg.batmanLegacy) pkgs.batctl
+      ++ lib.optional cfg.batmanLegacy pkgs.batctl-legacy;
   };
 }