diff options
Diffstat (limited to 'nixos/modules/virtualisation/libvirtd.nix')
| -rw-r--r-- | nixos/modules/virtualisation/libvirtd.nix | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/nixos/modules/virtualisation/libvirtd.nix b/nixos/modules/virtualisation/libvirtd.nix index 8aa7ad8e3911..024db7f87c2e 100644 --- a/nixos/modules/virtualisation/libvirtd.nix +++ b/nixos/modules/virtualisation/libvirtd.nix @@ -37,11 +37,13 @@ in { ''; }; - virtualisation.libvirtd.enableKVM = mkOption { - type = types.bool; - default = true; + virtualisation.libvirtd.qemuPackage = mkOption { + type = types.package; + default = pkgs.qemu; description = '' - This option enables support for QEMU/KVM in libvirtd. + Qemu package to use with libvirt. + `pkgs.qemu` can emulate alien architectures (e.g. aarch64 on x86) + `pkgs.qemu_kvm` saves disk space allowing to emulate only host architectures. ''; }; @@ -102,7 +104,7 @@ in { config = mkIf cfg.enable { - environment.systemPackages = with pkgs; [ libvirt netcat-openbsd qemu_kvm ]; + environment.systemPackages = with pkgs; [ libvirt netcat-openbsd cfg.qemuPackage ]; boot.kernelModules = [ "tun" ]; @@ -117,17 +119,10 @@ in { after = [ "systemd-udev-settle.service" ] ++ optional vswitch.enable "vswitchd.service"; - environment = { - LIBVIRTD_ARGS = ''--config "${configFile}" ${concatStringsSep " " cfg.extraOptions}''; - }; + environment.LIBVIRTD_ARGS = ''--config "${configFile}" ${concatStringsSep " " cfg.extraOptions}''; - path = with pkgs; [ - bridge-utils - dmidecode - dnsmasq - ebtables - ] - ++ optional vswitch.enable vswitch.package; + path = [ cfg.qemuPackage ] # libvirtd requires qemu-img to manage disk images + ++ optional vswitch.enable vswitch.package; preStart = '' mkdir -p /var/log/libvirt/qemu -m 755 @@ -154,9 +149,9 @@ in { # stable (not GC'able as in /nix/store) paths for using in <emulator> section of xml configs mkdir -p /run/libvirt/nix-emulators - ln -s --force ${pkgs.libvirt}/libexec/libvirt_lxc /run/libvirt/nix-emulators/ - ${optionalString pkgs.stdenv.isAarch64 "ln -s --force ${pkgs.qemu}/bin/qemu-system-aarch64 /run/libvirt/nix-emulators/"} - ${optionalString cfg.enableKVM "ln -s --force ${pkgs.qemu_kvm}/bin/qemu-kvm /run/libvirt/nix-emulators/"} + for emulator in ${pkgs.libvirt}/libexec/libvirt_lxc ${cfg.qemuPackage}/bin/qemu-kvm ${cfg.qemuPackage}/bin/qemu-system-*; do + ln -s --force "$emulator" /run/libvirt/nix-emulators/ + done ${optionalString cfg.qemuOvmf '' mkdir -p /run/libvirt/nix-ovmf |