virtd

modules/desktop/default.nix

@@ -8,6 +8,7 @@
     ./programs.nix
     ./ssh.nix
     ./sway.nix
+    ./virtd.nix
     ./wofi.nix
   ];
 }

modules/desktop/virtd.nix

@@ -0,0 +1,24 @@
+{ home-manager, pkgs, ... }: {
+  # https://nixos.wiki/wiki/Virt-manager
+
+  virtualisation.libvirtd.enable = true;
+  programs.dconf.enable = true; # virt-manager requires dconf to remember settings
+  environment.systemPackages = with pkgs; [ virt-manager ];
+
+  # Make virt-manager use QEMU/KVM by default
+  home-manager.users.caspervk = {
+    dconf.settings = {
+      "org/virt-manager/virt-manager/connections" = {
+        autoconnect = [ "qemu:///system" ];
+        uris = [ "qemu:///system" ];
+      };
+    };
+  };
+
+  # Persist libvirt data
+  environment.persistence."/nix/persist" = {
+    directories = [
+      { directory = "/var/lib/libvirt"; user = "root"; group = "root"; mode = "0755"; }
+    ];
+  };
+}