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Continue refactor towards disko

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This commit is contained in:
Jimbo 2024-11-06 11:49:40 -05:00
parent f2cdf01122
commit fe16e208b6
25 changed files with 476 additions and 249 deletions
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56
hosts/firefly/boot/default.nix
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@ -21,48 +21,44 @@ in {
boot = {
# Must be unstable for newest NVIDIA drivers
kernelPackages = pkgs.unstable.linuxPackages_latest;
blacklistedKernelModules = [ "pcspkr" ];
kernel.sysctl."vm.max_map_count" = 2147483642;
kernelParams = commonKernelParams ++ [ "vfio-pci.ids=10de:1f82,10de:10fa" ];
blacklistedKernelModules = [ "pcspkr" ];
initrd = {
systemd = {
enable = true;
services.root-reset = {
description = "Reset root and snapshot last boot";
wantedBy = [ "initrd.target" ];
after = [ "dev-${config.networking.hostName}-root.device" ];
before = [ "sysroot.mount" ];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir -p /mnt
mount /dev/${config.networking.hostName}/root /mnt
initrd.systemd = {
enable = true;
services.root-reset = {
description = "Reset root and snapshot last boot";
wantedBy = [ "initrd.target" ];
after = [ "dev-${config.networking.hostName}-root.device" ];
before = [ "sysroot.mount" ];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir -p /mnt
mount /dev/${config.networking.hostName}/root /mnt
if [[ -e /mnt/prev ]]; then
btrfs subvolume delete /mnt/prev
fi
if [[ -e /mnt/prev ]]; then
btrfs subvolume delete /mnt/prev
fi
btrfs subvolume snapshot /mnt/root /mnt/prev
btrfs subvolume snapshot /mnt/root /mnt/prev
btrfs subvolume list -o /mnt/root | cut -f9 -d' ' | while read subvolume; do
btrfs subvolume delete "/mnt/$subvolume"
done
btrfs subvolume list -o /mnt/root | cut -f9 -d' ' | while read subvolume; do
btrfs subvolume delete "/mnt/$subvolume"
done
btrfs subvolume delete /mnt/root
btrfs subvolume create /mnt/root
btrfs subvolume delete /mnt/root
btrfs subvolume create /mnt/root
umount /mnt
'';
};
umount /mnt
'';
};
};
};
# Additional entry to boot from the second GPU
specialisation = {
gputwo.configuration = {
boot.kernelParams = commonKernelParams ++ [ "vfio-pci.ids=10de:2504,10de:228e" ];
};
specialisation.gputwo.configuration = {
boot.kernelParams = commonKernelParams ++ [ "vfio-pci.ids=10de:2504,10de:228e" ];
};
}