nixos-config/nixos/machines/cherry/disko-config.nix

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# nix run github:nix-community/disko -- --mode zap_create_mount ./disko-config.nix
# nixos-generate-config --no-filesystems --root /mnt
{ config, lib, ... }:
{
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boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
boot.tmp.useTmpfs = true; # make /tmp a tmpfs (performance!)
# ZFS stuff
# ---------
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boot.supportedFilesystems = [ "zfs" ];
# head -c4 /dev/urandom | od -A none -t x4
networking.hostId = "59e38471";
services.zfs.autoSnapshot.enable = true;
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# ZFS already has its own scheduler. Without this my(@Artturin) computer froze for a second when i nix build something.
# copied from : https://github.com/numtide/srvos/blob/main/nixos/common/zfs.nix
services.udev.extraRules = lib.optionalString (config.boot.zfs.enabled) ''
ACTION=="add|change", KERNEL=="sd[a-z]*[0-9]*|mmcblk[0-9]*p[0-9]*|nvme[0-9]*n[0-9]*p[0-9]*", ENV{ID_FS_TYPE}=="zfs_member", ATTR{../queue/scheduler}="none"
'';
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# disko configuration
# -------------------
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disko.devices = {
disk = {
root = {
type = "disk";
device = "/dev/nvme0n1";
content = {
type = "table";
format = "gpt";
partitions = [
{
name = "ESP";
start = "0";
end = "500MiB";
bootable = true;
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [ "defaults" ];
};
}
{
name = "zfs";
start = "500MiB";
end = "100%";
content = {
type = "luks";
name = "root";
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settings.allowDiscards = true;
passwordFile = "/tmp/secret.key";
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content = {
type = "zfs";
pool = "zroot";
};
};
}
];
};
};
};
zpool = {
zroot = {
type = "zpool";
rootFsOptions = {
mountpoint = "none";
canmount = "off";
compression = "lz4";
};
datasets = {
"root" = {
type = "zfs_fs";
mountpoint = "/";
options = {
mountpoint = "legacy";
compression = "lz4";
};
};
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"store" = {
type = "zfs_fs";
mountpoint = "/nix/store";
options = {
mountpoint = "legacy";
compression = "lz4";
};
};
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};
};
};
};
}