Migrate to networkd.

container/Git.nix

@@ -105,6 +105,24 @@ in {
 						};
 					};
 				};
+
+				systemd = {
+					services = {
+						forgejo = {
+							serviceConfig.PrivateNetwork = lib.mkForce false;
+							wantedBy = lib.mkForce [ ];
+						};
+					};
+					timers.fixsystemd = {
+						timerConfig = {
+							OnBootSec = 5;
+							Unit = "forgejo.service";
+						};
+						wantedBy = [
+							"timers.target"
+						];
+					};
+				};
 			};
 		};
 	};

container/Vpn.nix

@@ -47,7 +47,7 @@ in {
 			"data"
 		];
 
-		# HACK: When using `networking.interfaces.*` it breaks. This works tho.
+		# HACK: I have no idea how to fully manage the container interface via networkd, so just add a route manually.
 		systemd.services.vpn-route = util.mkStaticSystemdService {
 			enable = true;
 			description = "Hack vpn routes on host";
@@ -55,9 +55,11 @@ in {
 			wants    = [ "container@vpn.service" ];
 			wantedBy = [ "multi-user.target" ];
 			serviceConfig = {
-				ExecStart = "${pkgs.iproute2}/bin/ip route add ${cfg.clients} via ${cfg.address} dev ve-vpn";
-				Type      = "oneshot";
+				Type = "oneshot";
 			};
+			script = ''
+				${pkgs.iproute2}/bin/ip route add ${cfg.clients} via ${cfg.address} dev ve-vpn || true
+			'';
 		};
 
 		containers.vpn = container.mkContainer cfg {

host/x86_64-linux/dasha/Network.nix

@@ -5,7 +5,7 @@
 				matchConfig.Name = "enp5s0";
 				linkConfig.RequiredForOnline = "routable";
 				networkConfig = {
-					DHCP = "ipv4";
+					DHCP = "yes";
 					DNS = "10.0.0.1";
 					IPv6AcceptRA = true;
 				};

host/x86_64-linux/desktop/Network.nix

@@ -5,7 +5,7 @@
 				matchConfig.Name = "enp4s0";
 				linkConfig.RequiredForOnline = "routable";
 				networkConfig = {
-					DHCP = "ipv4";
+					DHCP = "yes";
 					DNS = "10.0.0.1";
 					IPv6AcceptRA = true;
 				};

host/x86_64-linux/home/Container.nix

@@ -1,8 +1,12 @@
 { ... }: {
 	container = {
-		enable    = true;
-		autoStart = true;
-
+		enable      = true;
+		autoStart   = true;
+		domain      = "voronind.com";
+		host        = "188.242.247.132";
+		interface   = "enp8s0";
+		localAccess = "10.0.0.0/24";
+		storage     = "/storage/hot/container";
 		module = {
 			change.enable   = true;
 			cloud.enable    = true;
@@ -32,12 +36,6 @@
 			watch.enable    = true;
 			yt.enable       = true;
 		};
-
-		domain      = "voronind.com";
-		host        = "188.242.247.132";
-		interface   = "enp8s0";
-		localAccess = "10.0.0.0/24";
-		storage     = "/storage/hot/container";
 		media = {
 			anime = [
 				"/storage/cold_1/anime"

host/x86_64-linux/home/Network.nix

@@ -1,4 +1,4 @@
-# 10.0.0.0/24    - wired clients.
+# 10.0.0.0/24    - wired clients (lan).
 # 10.1.0.0/24    - containers.
 # 10.1.1.0/24    - vpn clients.
 # 192.168.1.0/24 - 5G   wireless clients.
@@ -19,20 +19,82 @@ in {
 	# Disable SSH access from everywhere, configure access bellow.
 	services.openssh.openFirewall = false;
 
+	# NOTE: Debugging.
+	systemd.services."systemd-networkd".environment.SYSTEMD_LOG_LEVEL = "debug";
+
+	# Wan configuration.
+	systemd.network = {
+		networks = {
+			"10-${wan}" = {
+				matchConfig.Name = wan;
+				linkConfig.RequiredForOnline = "carrier";
+				dhcpV4Config = {
+					UseDNS = false;
+					UseRoutes = true;
+					ClientIdentifier = "mac";
+				};
+				dhcpV6Config = {
+					UseDNS = false;
+				};
+				networkConfig = {
+					DHCP = "yes";
+					DNS = "1.1.1.1";
+					IPv6AcceptRA = true;
+				};
+			};
+			"20-enp6s0f0" = {
+				matchConfig.Name = "enp6s0f0";
+				networkConfig.Bridge = lan;
+				linkConfig.RequiredForOnline = "enslaved";
+			};
+			"20-enp6s0f1" = {
+				matchConfig.Name = "enp6s0f1";
+				networkConfig.Bridge = lan;
+				linkConfig.RequiredForOnline = "enslaved";
+			};
+			"20-enp7s0f0" = {
+				matchConfig.Name = "enp7s0f0";
+				networkConfig.Bridge = lan;
+				linkConfig.RequiredForOnline = "enslaved";
+			};
+			"20-enp7s0f1" = {
+				matchConfig.Name = "enp7s0f1";
+				networkConfig.Bridge = lan;
+				linkConfig.RequiredForOnline = "enslaved";
+			};
+			"30-${lan}" = {
+				matchConfig.Name = lan;
+				bridgeConfig = {};
+				linkConfig.RequiredForOnline = "carrier";
+				address = [
+					"10.0.0.1/24"
+				];
+				routes = [
+					# Wifi 5G clients.
+					{ routeConfig = {
+						Gateway = wifi;
+						Destination = "192.168.1.0/24";
+					}; }
+					# Wifi 2G clients.
+					{ routeConfig = {
+						Gateway = wifi;
+						Destination = "192.168.2.0/24";
+					}; }
+				];
+			};
+		};
+
+		netdevs = {
+			"10-${lan}" = {
+				netdevConfig = {
+					Kind = "bridge";
+					Name = lan;
+				};
+			};
+		};
+	};
+
 	networking = {
-		# Use only external DNS.
-		networkmanager.insertNameservers = [
-			"1.1.1.1"
-			"8.8.8.8"
-		];
-
-		# Some extra hosts for local access.
-		extraHosts = with config.container.module; (util.trimTabs ''
-			${git.address} git.voronind.com
-			${proxy.address} iot.voronind.com
-			${proxy.address} pass.voronind.com
-		'');
-
 		firewall = {
 			enable = true;
 			allowPing = true;
@@ -105,41 +167,5 @@ in {
 			# SSH access from WAN.
 			# + (mkForward external 22143 config.container.host 22143 tcp)
 		};
-
-		# Create Lan bridge.
-		bridges.${lan}.interfaces = [
-			"enp6s0f0"
-			"enp6s0f1"
-			"enp7s0f0"
-			"enp7s0f1"
-		];
-
-		interfaces = {
-			${lan}.ipv4 = {
-				# Assign Lan address and subnet.
-				addresses = [
-					{
-						address = internal;
-						prefixLength = 24;
-					}
-				];
-
-				# Assign traffic routes.
-				routes = [
-					# Wifi 5G clients.
-					{
-						address      = "192.168.1.0";
-						prefixLength = 24;
-						via          = wifi;
-					}
-					# Wifi 2.4G clients.
-					{
-						address      = "192.168.2.0";
-						prefixLength = 24;
-						via          = wifi;
-					}
-				];
-			};
-		};
 	};
 }

system/Network.nix

@@ -1,15 +1,21 @@
-{
-	lib,
-	...
-}: {
+{ ... }: {
 	# REF: https://nixos.wiki/wiki/Systemd-networkd
+	# SEE: man 5 systemd.network
 	systemd.network = {
 		enable = true;
-		wait-online.enable = false; # So we can use both NM and networkd.
+		wait-online.enable = false; # HACK: So we can use both NM and networkd.
 	};
 
 	networking = {
-		networkmanager.enable = true;
 		dhcpcd.enable = false;
+		networkmanager = {
+			enable = true;
+			unmanaged = [
+				"bridge"
+				"ethernet"
+				"loopback"
+				"wireguard"
+			];
+		};
 	};
 }