# This test predominantly tests systemd-networkd DHCP server, by # setting up a DHCP server and client, and ensuring they are mutually # reachable via the DHCP allocated address. # Two DHCP servers are set up on bridge VLANs, testing to make sure that # bridge VLAN settings are correctly applied. # # br0 ----untagged---v # +---PVID 1+VLAN 2---[bridge]---PVID 2---eth1 # vlan2 ---VLAN 2----^ import ./make-test-python.nix ({pkgs, ...}: { name = "systemd-networkd-dhcpserver"; meta = with pkgs.lib.maintainers; { maintainers = [ ]; }; nodes = { router = { config, pkgs, ... }: { virtualisation.vlans = [ 1 ]; systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug"; networking = { useNetworkd = true; useDHCP = false; firewall.enable = false; }; systemd.network = { netdevs = { br0 = { enable = true; netdevConfig = { Name = "br0"; Kind = "bridge"; }; extraConfig = '' [Bridge] VLANFiltering=yes DefaultPVID=none ''; }; vlan2 = { enable = true; netdevConfig = { Name = "vlan2"; Kind = "vlan"; }; vlanConfig.Id = 2; }; }; networks = { # systemd-networkd will load the first network unit file # that matches, ordered lexiographically by filename. # /etc/systemd/network/{40-eth1,99-main}.network already # exists. This network unit must be loaded for the test, # however, hence why this network is named such. "01-eth1" = { name = "eth1"; networkConfig.Bridge = "br0"; bridgeVLANs = [ { PVID = 2; EgressUntagged = 2; } ]; }; "02-br0" = { name = "br0"; networkConfig = { DHCPServer = true; Address = "10.0.0.1/24"; VLAN = ["vlan2"]; }; dhcpServerConfig = { PoolOffset = 100; PoolSize = 1; }; bridgeVLANs = [ { PVID = 1; EgressUntagged = 1; } { VLAN = 2; } ]; }; "02-vlan2" = { name = "vlan2"; networkConfig = { DHCPServer = true; Address = "10.0.2.1/24"; }; dhcpServerConfig = { PoolOffset = 100; PoolSize = 1; }; }; }; }; }; client = { config, pkgs, ... }: { virtualisation.vlans = [ 1 ]; systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug"; networking = { useNetworkd = true; useDHCP = false; firewall.enable = false; interfaces.eth1.useDHCP = true; }; }; }; testScript = { ... }: '' start_all() router.systemctl("start network-online.target") client.systemctl("start network-online.target") router.wait_for_unit("systemd-networkd-wait-online.service") client.wait_for_unit("systemd-networkd-wait-online.service") client.wait_until_succeeds("ping -c 5 10.0.2.1") router.wait_until_succeeds("ping -c 5 10.0.2.100") ''; })