From f96a5c77766f1ef267e70b9d43ea452979a67fda Mon Sep 17 00:00:00 2001
From: Nikolaos Karaolidis <nick@karaolidis.com>
Date: Mon, 16 Dec 2024 13:23:49 +0000
Subject: [PATCH] Add libvirt

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>
---
 .../system/configs/bluetooth/default.nix      |  1 +
 .../common/system/configs/libvirt/default.nix | 34 +++++++++++++++++++
 .../user/configs/console/libvirt/default.nix  | 16 +++++++++
 hosts/eirene/default.nix                      |  1 +
 hosts/eirene/users/nick.nix                   |  1 +
 5 files changed, 53 insertions(+)
 create mode 100644 hosts/common/system/configs/libvirt/default.nix
 create mode 100644 hosts/common/user/configs/console/libvirt/default.nix

diff --git a/hosts/common/system/configs/bluetooth/default.nix b/hosts/common/system/configs/bluetooth/default.nix
index e82451e..125e224 100644
--- a/hosts/common/system/configs/bluetooth/default.nix
+++ b/hosts/common/system/configs/bluetooth/default.nix
@@ -9,6 +9,7 @@
   };
 
   environment.persistence."/persist"."/var/lib/bluetooth" = { };
+
   systemd.services.bluetooth.after = [
     config.environment.persistence."/persist"."/var/lib/bluetooth".mount
   ];
diff --git a/hosts/common/system/configs/libvirt/default.nix b/hosts/common/system/configs/libvirt/default.nix
new file mode 100644
index 0000000..286fcb8
--- /dev/null
+++ b/hosts/common/system/configs/libvirt/default.nix
@@ -0,0 +1,34 @@
+{ 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";
+    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;
+}
diff --git a/hosts/common/user/configs/console/libvirt/default.nix b/hosts/common/user/configs/console/libvirt/default.nix
new file mode 100644
index 0000000..92958fc
--- /dev/null
+++ b/hosts/common/user/configs/console/libvirt/default.nix
@@ -0,0 +1,16 @@
+{
+  user ? throw "user argument is required",
+  home ? throw "home argument is required",
+}:
+{ pkgs, ... }:
+{
+  home-manager.users.${user}.dconf.settings = {
+    "org/virt-manager/virt-manager/connections" = {
+      autoconnect = [ "qemu:///system" ];
+      uris = [ "qemu:///system" ];
+    };
+    "org/virt-manager/virt-manager".xmleditor-enabled = true;
+  };
+
+  users.users.${user}.extraGroups = [ "libvirtd" ];
+}
diff --git a/hosts/eirene/default.nix b/hosts/eirene/default.nix
index 0634423..1fe8c3c 100644
--- a/hosts/eirene/default.nix
+++ b/hosts/eirene/default.nix
@@ -21,6 +21,7 @@
     ../common/system/configs/git
     ../common/system/configs/gpg-agent
     ../common/system/configs/impermanence
+    ../common/system/configs/libvirt
     ../common/system/configs/lsof
     ../common/system/configs/ncdu
     ../common/system/configs/neovim
diff --git a/hosts/eirene/users/nick.nix b/hosts/eirene/users/nick.nix
index 1c226cc..2c37749 100644
--- a/hosts/eirene/users/nick.nix
+++ b/hosts/eirene/users/nick.nix
@@ -20,6 +20,7 @@ in
     (import ../../common/user/configs/console/gpg-agent { inherit user home; })
     (import ../../common/user/configs/console/home-manager { inherit user home; })
     (import ../../common/user/configs/console/imagemagick { inherit user home; })
+    (import ../../common/user/configs/console/libvirt { inherit user home; })
     (import ../../common/user/configs/console/ncdu { inherit user home; })
     (import ../../common/user/configs/console/neovim { inherit user home; })
     (import ../../common/user/configs/console/nix-develop { inherit user home; })