From 14bc8df55f19f6500650801a271ae9d60a3d63b2 Mon Sep 17 00:00:00 2001
From: Paul-Henri Froidmont <git.contact-57n2p@froidmont.org>
Date: Wed, 17 May 2023 15:06:15 +0200
Subject: [PATCH] Use systemd-networkd instead of dhcpcd

---
 hardware/hcloud.nix | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/hardware/hcloud.nix b/hardware/hcloud.nix
index ddda34f..eb44fd3 100644
--- a/hardware/hcloud.nix
+++ b/hardware/hcloud.nix
@@ -1,13 +1,32 @@
-{ modulesPath, config, pkgs, ... }:
-{
+{ modulesPath, config, pkgs, ... }: {
   imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
 
   boot.loader.grub.device = "/dev/sda";
-  fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
+  fileSystems."/" = {
+    device = "/dev/sda1";
+    fsType = "ext4";
+  };
 
   time.timeZone = "Europe/Amsterdam";
 
   boot.cleanTmpDir = true;
   networking.firewall.allowPing = true;
   networking.usePredictableInterfaceNames = false;
+
+  networking.dhcpcd.enable = false;
+
+  systemd.network = {
+    enable = true;
+    networks."10-wan" = {
+      matchConfig.Name = "eth0";
+      networkConfig.DHCP = "ipv4";
+      # make routing on this interface a dependency for network-online.target
+      linkConfig.RequiredForOnline = "routable";
+    };
+    networks."20-lan" = {
+      matchConfig.Name = "eth1";
+      networkConfig.DHCP = "ipv4";
+      linkConfig.RequiredForOnline = "routable";
+    };
+  };
 }