125 lines
3.1 KiB
Plaintext
125 lines
3.1 KiB
Plaintext
# build installer
|
|
|
|
{
|
|
description = "Bcachefs enabled installation media";
|
|
inputs.nixos.url = "nixpkgs/nixos-unstable";
|
|
outputs = { self, nixos }: {
|
|
nixosConfigurations = {
|
|
exampleIso = nixos.lib.nixosSystem {
|
|
system = "x86_64-linux";
|
|
modules = [
|
|
"${nixos}/nixos/modules/installer/cd-dvd/installation-cd-minimal-new-kernel-no-zfs.nix"
|
|
({ lib, pkgs, ... }: {
|
|
boot.supportedFilesystems = [ "bcachefs" ];
|
|
boot.kernelPackages = lib.mkOverride 0 pkgs.linuxPackages_latest;
|
|
})
|
|
];
|
|
};
|
|
};
|
|
};
|
|
}
|
|
|
|
git init
|
|
git add flake.nix
|
|
nix build .#nixosConfigurations.exampleIso.config.system.build.isoImage
|
|
|
|
#
|
|
# install script below
|
|
#
|
|
|
|
# Defining some helper variables (these will be used in later code
|
|
# blocks as well, so make sure to use the same terminal session or
|
|
# redefine them later)
|
|
DISK=/dev/disk/by-id/nvme-CT4000P3PSSD8_2325E6E63746
|
|
HOST=mini
|
|
|
|
# ensure 4k sector size
|
|
nvme format --lbaf=1 --force $DISK
|
|
nvme id-ns -H $DISK
|
|
|
|
sleep 5
|
|
|
|
# kill old data
|
|
sgdisk --zap-all $DISK
|
|
blkdiscard -v $DISK
|
|
wipefs -a $DISK
|
|
gdisk -l $DISK
|
|
|
|
# create partitions
|
|
parted $DISK -- mklabel gpt
|
|
sgdisk -n 1:0:+1024M -c 1:"EFI System Partition" -t 1:EF00 $DISK
|
|
sgdisk -n 2:0:+256G -c 2:"nix" -t 2:8e00 $DISK
|
|
sgdisk -n 3:0:0 -c 3:"data" -t 3:8e00 $DISK
|
|
parted $DISK -- set 1 boot on
|
|
|
|
sleep 5
|
|
|
|
# take a look
|
|
cat /proc/partitions
|
|
|
|
# boot partition
|
|
mkfs.fat -F 32 -n EFIBOOT $DISK-part1
|
|
|
|
# create encrypted bcachefs
|
|
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=nix --discard -f $DISK-part2
|
|
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=data --discard -f $DISK-part3
|
|
|
|
# prepare install
|
|
mount -t tmpfs none /mnt
|
|
|
|
# Create directories to mount file systems on
|
|
mkdir -p /mnt/{data,nix,home,boot,root,etc/nixos}
|
|
|
|
# mount the ESP
|
|
mount $DISK-part1 /mnt/boot
|
|
|
|
# mount bcachefs stuff
|
|
mount -o noatime,nodiratime $DISK-part2 /mnt/nix
|
|
mount -o noatime,nodiratime $DISK-part3 /mnt/data
|
|
|
|
# bind mount persistent stuff to data
|
|
mkdir -p /mnt/{data/home,data/root,data/nixos/$HOST}
|
|
mount --bind /mnt/data/home /mnt/home
|
|
mount --bind /mnt/data/root /mnt/root
|
|
mount --bind /mnt/data/nixos/$HOST /mnt/etc/nixos
|
|
|
|
# take a look
|
|
mount
|
|
|
|
# configure
|
|
nixos-generate-config --root /mnt
|
|
|
|
# save /mnt/etc/nixos/hardware-configuration.nix /mnt/etc/nixos/configuration.nix
|
|
|
|
cp /mnt/etc/nixos/hardware-configuration.nix /tmp
|
|
cp /mnt/etc/nixos/configuration.nix /tmp
|
|
|
|
# copy data
|
|
|
|
rsync --checksum -vaR --delete /data /mnt
|
|
|
|
# install
|
|
|
|
nixos-install --no-root-passwd --root /mnt
|
|
|
|
# unmount all stuff
|
|
|
|
umount -Rl /mnt
|
|
cryptsetup luksClose crypt-system
|
|
|
|
#
|
|
# after install tasks for extra file systems
|
|
#
|
|
|
|
# create vms disk
|
|
|
|
DD=/dev/disk/by-id/ata-CT2000MX500SSD1_2138E5D5061F
|
|
sgdisk --zap-all $DD
|
|
blkdiscard -v $DD
|
|
wipefs -a $DD
|
|
|
|
sleep 5
|
|
|
|
# create encrypted bcachefs
|
|
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=vms --discard -f $DD
|