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|
/*
This test ensures that we can configure spanning-tree protocol
across bridges using systemd-networkd.
Test topology:
1 2 3
node1 --- sw1 --- sw2 --- node2
\ /
4 \ / 5
sw3
|
6 |
|
node3
where switches 1, 2, and 3 bridge their links and use STP,
and each link is labeled with the VLAN we are assigning it in
virtualisation.vlans.
*/
let
commonConf = {
systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug";
networking.useNetworkd = true;
networking.useDHCP = false;
networking.firewall.enable = false;
};
generateNodeConf =
{ octet, vlan }:
{
lib,
pkgs,
config,
...
}:
{
imports = [
common/user-account.nix
commonConf
];
virtualisation.vlans = [ vlan ];
systemd.network = {
enable = true;
networks = {
"30-eth" = {
matchConfig.Name = "eth1";
address = [ "10.0.0.${toString octet}/24" ];
};
};
};
};
generateSwitchConf =
vlans:
{
lib,
pkgs,
config,
...
}:
{
imports = [
common/user-account.nix
commonConf
];
virtualisation.vlans = vlans;
systemd.network = {
enable = true;
netdevs = {
"40-br0" = {
netdevConfig = {
Kind = "bridge";
Name = "br0";
};
bridgeConfig.STP = "yes";
};
};
networks = {
"30-eth" = {
matchConfig.Name = "eth*";
networkConfig.Bridge = "br0";
};
"40-br0" = {
matchConfig.Name = "br0";
};
};
};
};
in
{ pkgs, ... }:
{
name = "networkd";
meta = with pkgs.lib.maintainers; {
maintainers = [ picnoir ];
};
nodes = {
node1 = generateNodeConf {
octet = 1;
vlan = 1;
};
node2 = generateNodeConf {
octet = 2;
vlan = 3;
};
node3 = generateNodeConf {
octet = 3;
vlan = 6;
};
sw1 = generateSwitchConf [
1
2
4
];
sw2 = generateSwitchConf [
2
3
5
];
sw3 = generateSwitchConf [
4
5
6
];
};
testScript = ''
network_nodes = [node1, node2, node3]
network_switches = [sw1, sw2, sw3]
start_all()
for n in network_nodes + network_switches:
n.systemctl("start systemd-networkd-wait-online.service")
n.wait_for_unit("systemd-networkd-wait-online.service")
node1.succeed("ping 10.0.0.2 -w 10 -c 1")
node1.succeed("ping 10.0.0.3 -w 10 -c 1")
node2.succeed("ping 10.0.0.1 -w 10 -c 1")
node2.succeed("ping 10.0.0.3 -w 10 -c 1")
node3.succeed("ping 10.0.0.1 -w 10 -c 1")
node3.succeed("ping 10.0.0.2 -w 10 -c 1")
'';
}
|
