modules/nixos/common/reboot: add kexec
This commit is contained in:
parent
27d30ede8d
commit
654f4190df
1 changed files with 8 additions and 3 deletions
|
@ -1,15 +1,20 @@
|
||||||
{ config, pkgs, ... }:
|
{ config, pkgs, ... }:
|
||||||
{
|
{
|
||||||
# adapted from https://github.com/NixOS/nixpkgs/blob/3428bdf3c93a7608615dddd44dec50c3df89b4be/nixos/modules/tasks/auto-upgrade.nix
|
# adapted from:
|
||||||
|
# https://github.com/NixOS/nixpkgs/blob/3428bdf3c93a7608615dddd44dec50c3df89b4be/nixos/modules/system/boot/kexec.nix
|
||||||
|
# https://github.com/NixOS/nixpkgs/blob/3428bdf3c93a7608615dddd44dec50c3df89b4be/nixos/modules/tasks/auto-upgrade.nix
|
||||||
systemd.services.reboot-after-update = {
|
systemd.services.reboot-after-update = {
|
||||||
restartIfChanged = false;
|
restartIfChanged = false;
|
||||||
unitConfig.X-StopOnRemoval = false;
|
unitConfig.X-StopOnRemoval = false;
|
||||||
serviceConfig.Type = "oneshot";
|
serviceConfig.Type = "oneshot";
|
||||||
path = [ config.systemd.package pkgs.coreutils ];
|
path = [ config.systemd.package pkgs.coreutils pkgs.kexec-tools ];
|
||||||
script = ''
|
script = ''
|
||||||
booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules} && cat /run/booted-system/kernel-params)"
|
booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules} && cat /run/booted-system/kernel-params)"
|
||||||
built="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules} && cat /nix/var/nix/profiles/system/kernel-params)"
|
p="$(readlink -f /nix/var/nix/profiles/system)"
|
||||||
|
built="$(readlink $p/{initrd,kernel,kernel-modules} && cat $p/kernel-params)"
|
||||||
if [ "''${booted}" != "''${built}" ]; then
|
if [ "''${booted}" != "''${built}" ]; then
|
||||||
|
# don't use kexec if system is virtualized
|
||||||
|
systemd-detect-virt -q || kexec --load $p/kernel --initrd=$p/initrd --append="$(cat $p/kernel-params) init=$p/init"
|
||||||
systemctl reboot
|
systemctl reboot
|
||||||
fi
|
fi
|
||||||
'';
|
'';
|
||||||
|
|
Loading…
Add table
Add a link
Reference in a new issue