depot/third_party/nixpkgs/nixos/tests/predictable-interface-names.nix

87 lines
2.4 KiB
Nix

{
system ? builtins.currentSystem,
config ? { },
pkgs ? import ../.. { inherit system config; },
}:
let
inherit (import ../lib/testing-python.nix { inherit system pkgs; }) makeTest;
testCombinations = pkgs.lib.cartesianProduct {
predictable = [
true
false
];
withNetworkd = [
true
false
];
systemdStage1 = [
true
false
];
};
in
pkgs.lib.listToAttrs (
builtins.map (
{
predictable,
withNetworkd,
systemdStage1,
}:
{
name =
pkgs.lib.optionalString (!predictable) "un"
+ "predictable"
+ pkgs.lib.optionalString withNetworkd "Networkd"
+ pkgs.lib.optionalString systemdStage1 "SystemdStage1";
value = makeTest {
name =
pkgs.lib.optionalString (!predictable) "un"
+ "predictableInterfaceNames"
+ pkgs.lib.optionalString withNetworkd "-with-networkd"
+ pkgs.lib.optionalString systemdStage1 "-systemd-stage-1";
meta = { };
nodes.machine =
{ lib, ... }:
let
script = ''
ip link
if ${lib.optionalString predictable "!"} ip link show eth0; then
echo Success
else
exit 1
fi
'';
in
{
networking.usePredictableInterfaceNames = lib.mkForce predictable;
networking.useNetworkd = withNetworkd;
networking.dhcpcd.enable = !withNetworkd;
networking.useDHCP = !withNetworkd;
# Check if predictable interface names are working in stage-1
boot.initrd.postDeviceCommands = lib.mkIf (!systemdStage1) script;
boot.initrd.systemd = lib.mkIf systemdStage1 {
enable = true;
initrdBin = [ pkgs.iproute2 ];
services.systemd-udev-settle.wantedBy = [ "initrd.target" ];
services.check-interfaces = {
requiredBy = [ "initrd.target" ];
after = [ "systemd-udev-settle.service" ];
serviceConfig.Type = "oneshot";
path = [ pkgs.iproute2 ];
inherit script;
};
};
};
testScript = ''
print(machine.succeed("ip link"))
machine.${if predictable then "fail" else "succeed"}("ip link show eth0")
'';
};
}
) testCombinations
)