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systemd-networkd: add tests

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(cherry picked from commit ec073e41a0)
This commit is contained in:
Félix Baylac-Jacqué 2019-06-24 17:36:08 +02:00 committed by David Guibert
parent 7fd91a898b
commit 0528816570
3 changed files with 114 additions and 9 deletions
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42
nixos/modules/system/boot/networkd.nix
View File

@ -55,18 +55,25 @@ let
(assertMacAddress "MACAddress")
];
# NOTE The PrivateKey directive is missing on purpose here, please
# do not add it to this list. The nix store is world-readable let's
# refrain ourselves from providing a footgun.
checkWireGuard = checkUnitConfig "WireGuard" [
(assertOnlyFields [
"PrivateKey" "PrivateKeyFile" "ListenPort" "FwMark"
"PrivateKeyFile" "ListenPort" "FwMark"
])
#(assertRange "ListenPort" 1 65535) # Or "auto"
(assertRange "FwMark" 1 4294967295)
];
# NOTE The PresharedKey directive is missing on purpose here, please
# do not add it to this list. The nix store is world-readable,let's
# refrain ourselves from providing a footgun.
checkWireGuardPeer = checkUnitConfig "WireGuardPeer" [
(assertOnlyFields [
"PublicKey" "PresharedKey" "AllowedIPs" "Endpoint" "PersistentKeepalive"
"PublicKey" "PresharedKeyFile" "AllowedIPs"
"Endpoint" "PersistentKeepalive"
])
# (assertRange "PersistentKeepalive" 1 65535) # defined as "nullOr int"
(assertRange "PersistentKeepalive" 1 65535)
];
checkVlan = checkUnitConfig "VLAN" [
@ -336,24 +343,41 @@ let
wireguardConfig = mkOption {
default = {};
example = { ListenPort="auto"; };
example = {
PrivateKeyFile = "/etc/wireguard/secret.key";
ListenPort = 51820;
FwMark = 42;
};
type = types.addCheck (types.attrsOf unitOption) checkWireGuard;
description = ''
Each attribute in this set specifies an option in the
<literal>[WireGuard]</literal> section of the unit. See
<literal>[WireGuard]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
Use <literal>PrivateKeyFile</literal> instead of
<literal>PrivateKey</literal>: the nix store is
world-readable.
'';
};
wireguardPeers = mkOption {
default = [ ];
default = [];
example = [ { wireguardPeerConfig={
Endpoint = "192.168.1.1:51820";
PublicKey = "27s0OvaBBdHoJYkH9osZpjpgSOVNw+RaKfboT/Sfq0g=";
PresharedKeyFile = "/etc/wireguard/psk.key";
AllowedIPs = [ "10.0.0.1/32" ];
PersistentKeepalive = 15;
};}];
type = with types; listOf (submodule wireguardPeerOptions);
description = ''
Each attribute in this set specifies an option in the
<literal>[WireGuardPeer]</literal> section of the unit. See
Each item in this array specifies an option in the
<literal>[WireGuardPeer]</literal> section of the unit. See
<citerefentry><refentrytitle>systemd.netdev</refentrytitle>
<manvolnum>5</manvolnum></citerefentry> for details.
Use <literal>PresharedKeyFile</literal> instead of
<literal>PresharedKey</literal>: the nix store is
world-readable.
'';
};

1
nixos/tests/all-tests.nix
View File

@ -253,6 +253,7 @@ in
systemd = handleTest ./systemd.nix {};
systemd-confinement = handleTest ./systemd-confinement.nix {};
systemd-timesyncd = handleTest ./systemd-timesyncd.nix {};
systemd-networkd-wireguard = handleTest ./systemd-networkd-wireguard.nix {};
pdns-recursor = handleTest ./pdns-recursor.nix {};
taskserver = handleTest ./taskserver.nix {};
telegraf = handleTest ./telegraf.nix {};

80
nixos/tests/systemd-networkd-wireguard.nix Normal file
View File

@ -0,0 +1,80 @@
let generateNodeConf = { lib, pkgs, config, privkpath, pubk, peerId, nodeId, ...}: {
imports = [ common/user-account.nix ];
systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug";
networking.useNetworkd = true;
networking.firewall.enable = false;
virtualisation.vlans = [ 1 ];
environment.systemPackages = with pkgs; [ wireguard-tools ];
boot.extraModulePackages = [ config.boot.kernelPackages.wireguard ];
systemd.network = {
enable = true;
netdevs = {
"90-wg0" = {
netdevConfig = { Kind = "wireguard"; Name = "wg0"; };
wireguardConfig = {
PrivateKeyFile = privkpath ;
ListenPort = 51820;
FwMark = 42;
};
wireguardPeers = [ {wireguardPeerConfig={
Endpoint = "192.168.1.${peerId}:51820";
PublicKey = pubk;
PresharedKeyFile = pkgs.writeText "psk.key" "yTL3sCOL33Wzi6yCnf9uZQl/Z8laSE+zwpqOHC4HhFU=";
AllowedIPs = [ "10.0.0.${peerId}/32" ];
PersistentKeepalive = 15;
};}];
};
};
networks = {
"99-nope" = {
matchConfig.Name = "eth*";
linkConfig.Unmanaged = true;
};
"90-wg0" = {
matchConfig = { Name = "wg0"; };
address = [ "10.0.0.${nodeId}/32" ];
routes = [
{ routeConfig = { Gateway = "10.0.0.${nodeId}"; Destination = "10.0.0.0/24"; }; }
];
};
"90-eth1" = {
matchConfig = { Name = "eth1"; };
address = [ "192.168.1.${nodeId}/24" ];
};
};
};
};
in import ./make-test.nix ({pkgs, ... }: {
name = "networkd-wireguard";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ ninjatrappeur ];
};
nodes = {
node1 = { pkgs, ... }@attrs:
let localConf = {
privkpath = pkgs.writeText "priv.key" "GDiXWlMQKb379XthwX0haAbK6hTdjblllpjGX0heP00=";
pubk = "iRxpqj42nnY0Qz8MAQbSm7bXxXP5hkPqWYIULmvW+EE=";
nodeId = "1";
peerId = "2";
};
in generateNodeConf (attrs // localConf);
node2 = { pkgs, ... }@attrs:
let localConf = {
privkpath = pkgs.writeText "priv.key" "eHxSI2jwX/P4AOI0r8YppPw0+4NZnjOxfbS5mt06K2k=";
pubk = "27s0OvaBBdHoJYkH9osZpjpgSOVNw+RaKfboT/Sfq0g=";
nodeId = "2";
peerId = "1";
};
in generateNodeConf (attrs // localConf);
};
testScript = ''
startAll;
$node1->waitForUnit('systemd-networkd-wait-online.service');
$node2->waitForUnit('systemd-networkd-wait-online.service');
$node1->succeed('ping -c 5 10.0.0.2');
$node2->succeed('ping -c 5 10.0.0.1');
# Is the fwmark set?
$node2->succeed('wg | grep -q 42');
'';
})