incus: refactor tests and fix VM CSM support (NixOS#365778)

nixos/modules/virtualisation/incus.nix

@@ -108,6 +108,10 @@ let
       name = "OVMF_VARS.4MB.ms.fd";
       path = "${pkgs.OVMFFull.fd}/FV/${ovmf-prefix}_VARS.fd";
     }
+    {
+      name = "seabios.bin";
+      path = "${pkgs.seabios-qemu}/share/seabios/bios.bin";
+    }
   ];
 
   environment = lib.mkMerge [

nixos/tests/all-tests.nix

@@ -467,8 +467,8 @@ in {
   iftop = handleTest ./iftop.nix {};
   immich = handleTest ./web-apps/immich.nix {};
   incron = handleTest ./incron.nix {};
-  incus = pkgs.recurseIntoAttrs (handleTest ./incus { inherit handleTestOn; inherit (pkgs) incus; });
-  incus-lts = pkgs.recurseIntoAttrs (handleTest ./incus { inherit handleTestOn; });
+  incus = pkgs.recurseIntoAttrs (handleTest ./incus { lts = false; });
+  incus-lts = pkgs.recurseIntoAttrs (handleTest ./incus { });
   influxdb = handleTest ./influxdb.nix {};
   influxdb2 = handleTest ./influxdb2.nix {};
   initrd-network-openvpn = handleTestOn [ "x86_64-linux" "i686-linux" ] ./initrd-network-openvpn {};

nixos/tests/incus/default.nix

@@ -1,29 +1,42 @@
 {
-  system ? builtins.currentSystem,
-  config ? { },
-  pkgs ? import ../../.. { inherit system config; },
-  handleTestOn,
-  incus ? pkgs.incus-lts,
+  lts ? true,
+  ...
 }:
+let
+  incusTest = import ./incus-tests.nix;
+in
 {
-  container-legacy-init = import ./container.nix {
-    name = "container-legacy-init";
-    inherit incus system pkgs;
+  all = incusTest {
+    inherit lts;
+    allTests = true;
   };
-  container-systemd-init = import ./container.nix {
-    name = "container-systemd-init";
-    inherit incus system pkgs;
-    extra = {
-      boot.initrd.systemd.enable = true;
-    };
+
+  container = incusTest {
+    inherit lts;
+    instanceContainer = true;
   };
-  incusd-options = import ./incusd-options.nix { inherit incus system pkgs; };
-  lxd-to-incus = import ./lxd-to-incus.nix { inherit incus system pkgs; };
-  openvswitch = import ./openvswitch.nix { inherit incus system pkgs; };
-  socket-activated = import ./socket-activated.nix { inherit incus system pkgs; };
-  storage = import ./storage.nix { inherit incus system pkgs; };
-  ui = import ./ui.nix { inherit incus system pkgs; };
-  virtual-machine = handleTestOn [ "x86_64-linux" ] ./virtual-machine.nix {
-    inherit incus system pkgs;
+
+  lvm = incusTest {
+    inherit lts;
+    storageLvm = true;
+  };
+
+  lxd-to-incus = import ./lxd-to-incus.nix { };
+
+  openvswitch = incusTest {
+    inherit lts;
+    networkOvs = true;
+  };
+
+  ui = import ./ui.nix { };
+
+  virtual-machine = incusTest {
+    inherit lts;
+    instanceVm = true;
+  };
+
+  zfs = incusTest {
+    inherit lts;
+    storageLvm = true;
   };
 }