Reorganize imports

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/system/libvirt/default.nix

@@ -0,0 +1,39 @@
+{ config, pkgs, ... }:
+{
+  virtualisation = {
+    libvirtd = {
+      enable = true;
+      qemu = {
+        swtpm.enable = true;
+        ovmf.packages = [ pkgs.OVMFFull.fd ];
+      };
+    };
+
+    spiceUSBRedirection.enable = true;
+  };
+
+  systemd.services.libvirtd-network-default = {
+    description = "Start Default Virtual Network for Libvirt";
+    script = "${config.virtualisation.libvirtd.package}/bin/virsh net-start default";
+    preStop = "${config.virtualisation.libvirtd.package}/bin/virsh net-destroy default";
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+    };
+    wantedBy = [ "libvirtd.service" ];
+    after = [ "libvirtd.service" ];
+  };
+
+  environment = {
+    systemPackages = [ config.virtualisation.libvirtd.qemu.swtpm.package ];
+    etc = {
+      "ovmf/edk2-x86_64-secure-code.fd".source =
+        "${config.virtualisation.libvirtd.qemu.package}/share/qemu/edk2-x86_64-secure-code.fd";
+      "ovmf/edk2-i386-vars.fd".source =
+        "${config.virtualisation.libvirtd.qemu.package}/share/qemu/edk2-i386-vars.fd";
+    };
+    persistence."/persist"."/var/lib/libvirt" = { };
+  };
+
+  programs.virt-manager.enable = true;
+}