WIP systemd-networkd dhcp server module.

lib/default.nix

@@ -1,4 +1,6 @@
 {lib}: {
+  imports=[./net.nix];
+
   dirToStrings = dir: (map (v: builtins.readFile "${dir}/${v}")
     (builtins.filter (v:
       (builtins.readFileType "${dir}/${v}") == "regular") (

modules/hostopts.nix

@@ -14,22 +14,10 @@
         type = lib.types.str;
         description = "Primary human users long name";
       };
-      gui.enable = lib.mkEnableOption {
+      gui.enable = lib.mkEnableOption "enable GUI";
-        description = "enable GUI";
+      isLaptop = lib.mkEnableOption "machine is a laptop";
-        default = false;
+      isVm = lib.mkEnableOption "machine is a virtual machine";
-      };
+      isSever = lib.mkEnableOption "machine is primarily a server";
-      isLaptop = lib.mkEnableOption {
-        description = "machine is a laptop";
-        default = false;
-      };
-      isVm = lib.mkEnableOption {
-        description = "machine is a virtual machine";
-        default = false;
-      };
-      isSever = lib.mkEnableOption {
-        description = "machine is primarily a server";
-        default = false;
-      };
     };
   };
 }

modules/nixos/default.nix

@@ -0,0 +1,9 @@
+{
+  config,
+  pkgs,
+  lib,
+  inputs,
+  ...
+}: {
+  imports=[./systemd-dhcpServ.nix];
+}

modules/nixos/systemd-dhcpServ.nix

@@ -0,0 +1,108 @@
+{
+  config,
+  pkgs,
+  lib,
+  inputs,
+  ...
+}: {
+  options = {
+    host.systemdDhcpSrv = {
+      enable = lib.mkEnableOption "systemd DHCP server";
+
+      interface = lib.mkOption {
+        type = lib.types.str;
+        description = "interface to run dhcp server on";
+      };
+
+      uplinkInterface = lib.mkOption {
+        type = lib.types.str;
+        description = "if dns, router, or ntp are set but no adresses are set, pass on the settings of this interface.";
+        default = ":auto";
+      };
+
+      pool = lib.mkOption {
+        description = "the pool of ips the dhcp server will hand out.";
+        type = lib.types.submodule {
+          options = {
+            start = lib.mkOption {
+              type = lib.types.str;
+              description = "starting IP of the range the dhcp server will assign";
+            };
+            end = lib.mkOption {
+              type = lib.types.str;
+              description = "ending IP of the range the dhcp server will assign";
+            };
+          };
+        };
+      };
+
+      time = lib.mkOption {
+        type = lib.types.submodule {
+          options = {
+            default = lib.mkOption {
+              description = "the default dhcp lease time, in seconds, defaults to 1h";
+              type = lib.types.nullOr lib.types.int;
+              default = null;
+            };
+            max = lib.mkOption {
+              description = "the max dhcp lease time, in seconds. defaults to 12h";
+              type = lib.types.nullOr lib.types.int;
+              default = null;
+            };
+          };
+        };
+      };
+
+      dns = lib.mkoption {
+        type = lib.types.submodule {
+          options = {
+            enable = lib.mkOption {
+              type = lib.types.bool;
+              default = true;
+              description = "whether to include dns server info in the dhcp lease";
+            };
+            servers = lib.mkOption {
+              type = lib.types.listOf lib.types.str;
+              description = "IPs of dns servers to hand out";
+              default = [];
+            };
+          };
+        };
+      };
+
+      router = lib.mkoption {
+        type = lib.types.submodule {
+          options = {
+            enable = lib.mkOption {
+              type = lib.types.bool;
+              default = true;
+              description = "whether to include router (gateway) info in the dhcp lease";
+            };
+            servers = lib.mkOption {
+              type = lib.types.listOf lib.types.str;
+              description = "IPs of dns servers to hand out";
+              default = [];
+            };
+          };
+        };
+      };
+
+      ntp = lib.mkoption {
+        type = lib.types.submodule {
+          options = {
+            enable = lib.mkOption {
+              type = lib.types.bool;
+              default = true;
+              description = "whether to include ntp server info in the dhcp lease";
+            };
+            servers = lib.mkOption {
+              type = lib.types.listOf lib.types.str;
+              description = "IPs of ntp servers to hand out";
+              default = [];
+            };
+          };
+        };
+      };
+    };
+  };
+}