WIP: qemu setup for hassos

hosts/chilly/default.nix

@@ -20,13 +20,39 @@
 
   networking.hostName = "chilly";
   services.tailscaleAutoconnect.authkey = "tskey-auth-kRXS9oPyPm11CNTRL-BE6YnbP9J6ZZuV9dHkX17ZMnm1JGdu93";
-  services.consul.interface.advertise = lib.mkForce "enp1s0";
+  services.consul.interface.advertise = lib.mkForce "br0";
+
+  virtualisation.libvirtd = {
+    enable = true;
+    allowedBridges = [ "br0" ];
+  };
 
-  virtualisation.libvirtd.enable = true;
   environment.systemPackages = with pkgs; [
-    virt-manager
+    unstable.qemu
     usbutils
+    virt-manager
+    (pkgs.writeShellScriptBin "qemu-system-x86_64-uefi" ''
+      qemu-system-x86_64 \
+        -bios ${pkgs.OVMF.fd}/FV/OVMF.fd \
+        "$@"
+    '')
   ];
 
   users.users.ppetru.extraGroups = [ "libvirtd" ];
+
+  networking = {
+    # TODO: try using DHCP for br0. will probably need a hardcoded MAC
+    defaultGateway = "192.168.1.1";
+    nameservers = [ "192.168.1.1" ];
+    bridges.br0.interfaces = [ "enp1s0" ];
+    interfaces.br0 = {
+      useDHCP = false;
+      ipv4.addresses = [
+        {
+          "address" = "192.168.1.5";
+          "prefixLength" = 24;
+        }
+      ];
+    };
+  };
 }