Merge pull request #67356 from alexbakker/libvirt-onboot

libvirtd: add onBoot option

nixos/modules/virtualisation/libvirtd.nix

@@ -104,6 +104,18 @@ in {
       '';
     };
 
+    onBoot = mkOption {
+      type = types.enum ["start" "ignore" ];
+      default = "start";
+      description = ''
+        Specifies the action to be done to / on the guests when the host boots.
+        The "start" option starts all guests that were running prior to shutdown
+        regardless of their autostart settings. The "ignore" option will not
+        start the formally running guest on boot. However, any guest marked as
+        autostart will still be automatically started by libvirtd.
+      '';
+    };
+
     onShutdown = mkOption {
       type = types.enum ["shutdown" "suspend" ];
       default = "suspend";
@@ -221,6 +233,7 @@ in {
       path = with pkgs; [ coreutils libvirt gawk ];
       restartIfChanged = false;
 
+      environment.ON_BOOT = "${cfg.onBoot}";
       environment.ON_SHUTDOWN = "${cfg.onShutdown}";
     };
 

pkgs/development/libraries/libvirt/default.nix

@@ -129,6 +129,7 @@ in stdenv.mkDerivation rec {
     binPath = [ iptables iproute pmutils numad numactl bridge-utils dmidecode dnsmasq ebtables ] ++ optionals enableIscsi [ openiscsi ];
   in ''
     substituteInPlace $out/libexec/libvirt-guests.sh \
+      --replace 'ON_BOOT=start'       'ON_BOOT=''${ON_BOOT:-start}' \
       --replace 'ON_SHUTDOWN=suspend' 'ON_SHUTDOWN=''${ON_SHUTDOWN:-suspend}' \
       --replace "$out/bin"            '${gettext}/bin' \
       --replace 'lock/subsys'         'lock' \