1 files changed, 80 insertions, 0 deletions
diff --git a/nixos/tests/systemd-networkd-wireguard.nix b/nixos/tests/systemd-networkd-wireguard.nix
new file mode 100644
index 00000000000..f1ce1e791ce
--- /dev/null
+++ b/nixos/tests/systemd-networkd-wireguard.nix
@@ -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');
+'';
+})