nixos/tests: add systemd-networkd-batadv

nixos/tests/all-tests.nix

@@ -1460,6 +1460,7 @@ in
   systemd-machinectl = runTest ./systemd-machinectl.nix;
   systemd-misc = runTest ./systemd-misc.nix;
   systemd-networkd = runTest ./systemd-networkd.nix;
+  systemd-networkd-batadv = runTest ./systemd-networkd-batadv.nix;
   systemd-networkd-bridge = runTest ./systemd-networkd-bridge.nix;
   systemd-networkd-dhcpserver = runTest ./systemd-networkd-dhcpserver.nix;
   systemd-networkd-dhcpserver-static-leases = runTest ./systemd-networkd-dhcpserver-static-leases.nix;

nixos/tests/systemd-networkd-batadv.nix

@@ -0,0 +1,134 @@
+{ lib, ... }:
+{
+  name = "systemd-networkd-batadv";
+
+  meta = with lib.maintainers; {
+    maintainers = [ herbetom ];
+  };
+
+  nodes = {
+    machineA =
+      { config, pkgs, ... }:
+      {
+        virtualisation.vlans = [ 1 ];
+        systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug";
+
+        networking = {
+          useNetworkd = true;
+          useDHCP = false;
+          firewall.enable = false;
+        };
+
+        # Use default batman_adv module from kernel
+        boot.extraModulePackages = [ ];
+
+        environment.systemPackages = [
+          pkgs.batctl
+          pkgs.jq
+        ];
+
+        systemd.network = {
+          networks."10-eth1" = {
+            matchConfig.Name = "eth1";
+            networkConfig = {
+              BatmanAdvanced = config.systemd.network.netdevs."20-bat0".netdevConfig.Name;
+              IPv6AcceptRA = false;
+            };
+          };
+          netdevs."20-bat0" = {
+            netdevConfig = {
+              Name = "bat0";
+              Kind = "batadv";
+              MACAddress = "00:00:5e:00:53:00";
+            };
+            batmanAdvancedConfig = {
+              OriginatorIntervalSec = "5";
+              RoutingAlgorithm = "batman-iv";
+            };
+          };
+          networks."20-bat0" = {
+            matchConfig.Name = config.systemd.network.netdevs."20-bat0".netdevConfig.Name;
+            networkConfig.IPv6AcceptRA = false;
+            address = [
+              "10.0.0.1/24"
+              "2001:db8::a/64"
+            ];
+
+          };
+        };
+      };
+    machineB =
+      { config, pkgs, ... }:
+      {
+        virtualisation.vlans = [ 1 ];
+        systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug";
+
+        networking = {
+          useNetworkd = true;
+          useDHCP = false;
+          firewall.enable = false;
+        };
+
+        # Use batman_adv module from nixpkgs
+        boot.extraModulePackages = [ config.boot.kernelPackages.batman_adv ];
+
+        environment.systemPackages = [
+          pkgs.batctl
+          pkgs.jq
+        ];
+
+        systemd.network = {
+          networks."10-eth1" = {
+            matchConfig.Name = "eth1";
+            networkConfig = {
+              BatmanAdvanced = config.systemd.network.netdevs."20-bat0".netdevConfig.Name;
+              IPv6AcceptRA = false;
+            };
+          };
+          netdevs."20-bat0" = {
+            netdevConfig = {
+              Name = "bat0";
+              Kind = "batadv";
+              MACAddress = "00:00:5e:00:53:10";
+            };
+            batmanAdvancedConfig = {
+              OriginatorIntervalSec = "5";
+              RoutingAlgorithm = "batman-iv";
+            };
+          };
+          networks."20-bat0" = {
+            matchConfig.Name = config.systemd.network.netdevs."20-bat0".netdevConfig.Name;
+            networkConfig.IPv6AcceptRA = false;
+            address = [
+              "10.0.0.2/24"
+              "2001:db8::b/64"
+            ];
+
+          };
+        };
+      };
+  };
+
+  testScript = ''
+    start_all()
+
+    machineA.wait_for_unit("default.target")
+    machineB.wait_for_unit("default.target")
+
+    print(machineA.succeed("batctl -v").strip())
+    print(machineB.succeed("batctl -v").strip())
+
+    machineA.wait_until_succeeds('batctl neighbors_json | jq -e ".[0].neigh_address | select(length > 0)"')
+
+    print(machineA.succeed("batctl n").strip())
+    print(machineB.succeed("batctl n").strip())
+
+    print(machineA.wait_until_succeeds("batctl ping -c 5 00:00:5e:00:53:10").strip())
+    print(machineB.wait_until_succeeds("batctl ping -c 5 00:00:5e:00:53:00").strip())
+
+    print(machineA.wait_until_succeeds("ping -c 5 2001:db8::b"))
+    print(machineB.wait_until_succeeds("ping -c 5 10.0.0.1"))
+
+    machineA.fail("ping -c 3 10.0.0.99")
+  '';
+}

pkgs/os-specific/linux/batman-adv/default.nix

@@ -4,6 +4,7 @@
   fetchurl,
   kernel,
   kernelModuleMakeFlags,
+  nixosTests,
 }:
 
 let
@@ -31,6 +32,10 @@ stdenv.mkDerivation rec {
       -e /depmod/d Makefile
   '';
 
+  passthru.tests = {
+    systemd-networkd-batadv = nixosTests.systemd-networkd-batadv;
+  };
+
   meta = {
     homepage = "https://www.open-mesh.org/projects/batman-adv/wiki/Wiki";
     description = "B.A.T.M.A.N. routing protocol in a linux kernel module for layer 2";