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infra: steal from the best

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(Mic92's cluster TUM's infra.)
This commit is contained in:
Raito Bezarius 2023-06-05 17:50:07 +02:00
parent 41aead1a04
commit 107cc6e53f
22 changed files with 951 additions and 0 deletions
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25
modules/auto-upgrade.nix Normal file
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{ pkgs, ... }: {
system.autoUpgrade.enable = true;
system.autoUpgrade.flake = "git:git.newtype.fr/newtype/newtype-org-configurations";
system.autoUpgrade.flags = [ "--option" "accept-flake-config" "true" ];
# add a random jitter so not all machines reboot at the same time.
systemd.timers.auto-reboot.timerConfig.RandomizedDelaySec = 60 * 20;
systemd.services.auto-reboot = {
path = [ pkgs.systemd pkgs.util-linux ];
# The last saturday in a month
startAt = "Sat *-*~07/1";
script = ''
booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules})"
built="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})"
if [ "''${booted}" = "''${built}" ]; then
echo "No kernel update... skipping reboot"
else
# reboot in 24 hours
msg=$(shutdown -r +${toString (60 * 24)} 2>&1)
echo "$msg" | wall
fi
'';
};
}