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libvirtd: add onBoot option

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This adds a new ``onBoot`` option that allows specifying the action taken on
guests when the host boots. Specifying "start" ensures all guests that were
running prior to shutdown are started, regardless of their autostart settings.
Specifying "ignore" will make libvirtd ignore such guests. Any guest marked as
autostart will still be automatically started by libvirtd.
This commit is contained in:
Alexander Bakker 2019-08-23 17:47:09 +02:00
parent a4083fb455
commit d20022018e
2 changed files with 14 additions and 0 deletions
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13
nixos/modules/virtualisation/libvirtd.nix
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@ -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}";
};

1
pkgs/development/libraries/libvirt/default.nix
View file

@ -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' \