openvswitch: init simple bridge test and add incus test

nixos/tests/all-tests.nix

@@ -740,6 +740,7 @@ in {
   image-contents = handleTest ./image-contents.nix {};
   openvscode-server = handleTest ./openvscode-server.nix {};
   open-webui = runTest ./open-webui.nix;
+  openvswitch = runTest ./openvswitch.nix;
   orangefs = handleTest ./orangefs.nix {};
   os-prober = handleTestOn ["x86_64-linux"] ./os-prober.nix {};
   osquery = handleTestOn ["x86_64-linux"] ./osquery.nix {};

nixos/tests/openvswitch.nix

@@ -0,0 +1,62 @@
+{
+  name = "openvswitch";
+
+  nodes = {
+    node1 = {
+      virtualisation.vlans = [ 1 ];
+
+      networking = {
+        useNetworkd = true;
+        useDHCP = false;
+        firewall.enable = false;
+
+        vswitches.vs0 = {
+          interfaces = {
+            eth1 = { };
+          };
+        };
+
+      };
+
+      systemd.network.networks."40-vs0" = {
+        name = "vs0";
+        networkConfig.Address = "10.0.0.1/24";
+      };
+
+    };
+
+    node2 = {
+      virtualisation.vlans = [ 1 ];
+
+      networking = {
+        useNetworkd = true;
+        useDHCP = false;
+        firewall.enable = false;
+
+        vswitches.vs0 = {
+          interfaces = {
+            eth1 = { };
+          };
+        };
+
+      };
+
+      systemd.network.networks."40-vs0" = {
+        name = "vs0";
+        networkConfig.Address = "10.0.0.2/24";
+      };
+    };
+  };
+
+  testScript = # python
+    ''
+      start_all()
+      node1.wait_for_unit("ovsdb.service")
+      node1.wait_for_unit("ovs-vswitchd.service")
+      node2.wait_for_unit("ovsdb.service")
+      node2.wait_for_unit("ovs-vswitchd.service")
+
+      node1.succeed("ping -c3 10.0.0.2")
+      node2.succeed("ping -c3 10.0.0.1")
+    '';
+}

pkgs/by-name/op/openvswitch/package.nix

@@ -125,7 +125,14 @@ stdenv.mkDerivation rec {
       setuptools
     ]);
 
-  passthru.updateScript = nix-update-script { };
+  passthru = {
+    tests = {
+      default = nixosTests.openvswitch;
+      incus = nixosTests.incus-lts.openvswitch;
+    };
+
+    updateScript = nix-update-script { };
+  };
 
   meta = with lib; {
     changelog = "https://www.openvswitch.org/releases/NEWS-${version}.txt";