diff options
Diffstat (limited to 'nixos/modules/virtualisation/libvirtd.nix')
| -rw-r--r-- | nixos/modules/virtualisation/libvirtd.nix | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/nixos/modules/virtualisation/libvirtd.nix b/nixos/modules/virtualisation/libvirtd.nix index d7d700d8841..7410609e064 100644 --- a/nixos/modules/virtualisation/libvirtd.nix +++ b/nixos/modules/virtualisation/libvirtd.nix @@ -7,6 +7,7 @@ with lib; let cfg = config.virtualisation.libvirtd; + vswitch = config.virtualisation.vswitch; configFile = pkgs.writeText "libvirtd.conf" '' unix_sock_group = "libvirtd" unix_sock_rw_perms = "0770" @@ -56,6 +57,20 @@ in ''; }; + virtualisation.libvirtd.onShutdown = + mkOption { + type = types.enum ["shutdown" "suspend" ]; + default = "suspend"; + description = + '' + When shutting down / restarting the host what method should + be used to gracefully halt the guests. Setting to "shutdown" + will cause an ACPI shutdown of each guest. "suspend" will + attempt to save the state of the guests ready to restore on boot. + ''; + }; + + }; @@ -73,12 +88,17 @@ in { description = "Libvirt Virtual Machine Management Daemon"; wantedBy = [ "multi-user.target" ]; - after = [ "systemd-udev-settle.service" ]; + after = [ "systemd-udev-settle.service" ] + ++ optional vswitch.enable "vswitchd.service"; - path = - [ pkgs.bridge_utils pkgs.dmidecode pkgs.dnsmasq + path = [ + pkgs.bridge-utils + pkgs.dmidecode + pkgs.dnsmasq pkgs.ebtables - ] ++ optional cfg.enableKVM pkgs.qemu_kvm; + ] + ++ optional cfg.enableKVM pkgs.qemu_kvm + ++ optional vswitch.enable vswitch.package; preStart = '' @@ -109,12 +129,12 @@ in # config file. But this path can unfortunately be garbage collected # while still being used by the virtual machine. So update the # emulator path on each startup to something valid (re-scan $PATH). - for file in /etc/libvirt/qemu/*.xml; do + for file in /etc/libvirt/qemu/*.xml /etc/libvirt/lxc/*.xml; do test -f "$file" || continue # get (old) emulator path from config file emulator=$(grep "^[[:space:]]*<emulator>" "$file" | sed 's,^[[:space:]]*<emulator>\(.*\)</emulator>.*,\1,') # get a (definitely) working emulator path by re-scanning $PATH - new_emulator=$(command -v $(basename "$emulator")) + new_emulator=$(PATH=${pkgs.libvirt}/libexec:$PATH command -v $(basename "$emulator")) # write back sed -i "s,^[[:space:]]*<emulator>.*, <emulator>$new_emulator</emulator> <!-- WARNING: emulator dirname is auto-updated by the nixos libvirtd module -->," "$file" done @@ -152,7 +172,12 @@ in ${pkgs.libvirt}/etc/rc.d/init.d/libvirt-guests start || true ''; - postStop = "${pkgs.libvirt}/etc/rc.d/init.d/libvirt-guests stop"; + postStop = + '' + export PATH=${pkgs.gettext}/bin:$PATH + export ON_SHUTDOWN=${cfg.onShutdown} + ${pkgs.libvirt}/etc/rc.d/init.d/libvirt-guests stop + ''; serviceConfig.Type = "oneshot"; serviceConfig.RemainAfterExit = true; |