kea

systems/default.nix

@@ -50,9 +50,7 @@ in
   # prod hosts (public user)
   "cookies.eh22.intern" = mkSystem "x86_64-linux" "cookies.eh22.intern";
   "jool.eh22.intern" = mkSystem "x86_64-linux" "jool.eh22.intern";
-
-  # staging temp infra
-  "sketchy-router.noc.eh22.intern" = mkSystem "x86_64-linux" "sketchy-router.noc.eh22.intern";
+  "dhcp.eh22.intern" = mkSystem "x86_64-linux" "dhcp.eh22.intern";
 
   # misc hosts
   "test.eh22.intern" = mkSystem "x86_64-linux" "test.eh22.intern";

systems/dhcp.eh22.intern/kea.nix

@@ -0,0 +1,58 @@
+{ config, pkgs, ... }:
+{
+  services.kea.dhcp4 = {
+    enable = true;
+    settings = {
+      lease-database = {
+        name = "/var/lib/kea/dhcp4.leases";
+        persist = true;
+        type = "memfile";
+      };
+      rebind-timer = 2000;
+      renew-timer = 1000;
+      valid-lifetime = 4000;
+      authoritative = true;
+      option-data = [
+        {
+          name = "domain-name-servers";
+          data = "94.45.254.2";
+        }
+
+        {
+          name = "cookie-servers";
+          data = "94.45.254.3";
+          always-send = true;
+        }
+      ];
+
+      shared-networks = [
+        {
+          # wifi
+          id = 224;
+          subnet = "94.45.224.0/20";
+          pools = [ { pool = "94.45.224.10 - 94.45.239.254"; } ];
+          option-data = [
+            {
+              name = "routers";
+              data = "94.45.224.1";
+            }
+          ];
+        }
+
+        {
+          # wired
+          id = 240;
+          subnet = "94.45.240.0/21";
+          pools = [ { pool = "94.45.240.10 - 94.45.240.254"; } ];
+          option-data = [
+            {
+              name = "routers";
+              data = "94.45.240.1";
+            }
+          ];
+        }
+
+      ];
+    };
+  };
+}

systems/dhcp.eh22.intern/system.nix

@@ -0,0 +1,34 @@
+{
+  pkgs,
+  config,
+  ...
+}:
+{
+  imports = [
+    ./kea.nix
+  ];
+
+  networking = {
+    interfaces = {
+      net0 = {
+        ipv4 = {
+          addresses = [
+            {
+              address = "94.45.240.3";
+              prefixLength = 21;
+            }
+          ];
+        };
+      };
+    };
+    defaultGateway = "94.45.240.1";
+  };
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:BE:24:52";
+    linkConfig.Name = "net0";
+  };
+  # DO NOT CHANGE
+  # this defines the first version of NixOS that was installed on the machine so that programs with non-migratable data files are kept compatible
+  home-manager.users.noc.home.stateVersion = "24.11";
+  system.stateVersion = "24.11";
+}