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nixos: test new auto-upgrade module

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This commit is contained in:
Daniel Frank 2019-07-05 19:58:09 +02:00
parent 40e7f12b33
commit a20dc996f5
Signed by: tokudan
GPG key ID: 063CCCAD04182D32
1 changed files with 19 additions and 23 deletions
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42
auto-upgrade.nix
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@ -57,9 +57,9 @@ let cfg = config.system.autoUpgrade; in
default = false;
type = types.bool;
description = ''
Shall the system be rebooted if the new configuration
uses a different kernel, kernel modules or initrd
than the booted system?
Reboot the system into the new generation instead of a switch
if the new generation uses a different kernel, kernel modules
or initrd than the booted system.
'';
};
@ -88,29 +88,25 @@ let cfg = config.system.autoUpgrade; in
HOME = "/root";
} // config.networking.proxy.envVars;
path = [ pkgs.gnutar pkgs.xz.bin pkgs.gitMinimal config.nix.package.out ];
path = [ pkgs.coreutils pkgs.gnutar pkgs.xz.bin pkgs.gitMinimal config.nix.package.out ];
script = ''
${lib.optionalString cfg.allowReboot ''
set -euo pipefail
T=$(mktemp -d)
cd "$T"
${config.system.build.nixos-rebuild}/bin/nixos-rebuild build ${toString cfg.flags}
booted="$(${pkgs.coreutils}/bin/readlink /run/booted-system/{initrd,kernel,kernel-modules})"
built="$(${pkgs.coreutils}/bin/readlink result/{initrd,kernel,kernel-modules})"
cd /tmp
rm -rf "$T"
if [ "$booted" = "$built" ]; then
${config.system.build.nixos-rebuild}/bin/nixos-rebuild switch ${toString cfg.flags}
else
${config.system.build.nixos-rebuild}/bin/nixos-rebuild boot ${toString cfg.flags}
/run/current-system/sw/bin/shutdown -r +1
fi
''}
${lib.optionalString (!cfg.allowReboot) "${config.system.build.nixos-rebuild}/bin/nixos-rebuild switch ${toString cfg.flags}"}
script = let
nixos-rebuild = "${config.system.build.nixos-rebuild}/bin/nixos-rebuild";
in
if cfg.allowReboot then ''
${nixos-rebuild} boot ${toString cfg.flags}
booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules})"
built="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})"
if [ "$booted" = "$built" ]; then
${nixos-rebuild} switch ${toString cfg.flags}
else
/run/current-system/sw/bin/shutdown -r +1
fi
'' else ''
${nixos-rebuild} switch ${toString cfg.flags}
'';
startAt = optional cfg.enable cfg.dates;
startAt = cfg.dates;
};
};