void/enterthezoid

202 lines
6.4 KiB
Bash
Executable File

#!/bin/bash
# enter the zoid (zfs on root with zraid) - developed by acidvegas (https://git.acid.vegas/void)
# boot: https://github.com/leahneukirchen/hrmpf
# reference: https://docs.zfsbootmenu.org/en/v2.3.x/guides/void-linux/uefi.html (do we need to make any updates?)
set -xev
# Configuration
export HOSTNAME=blackhole
export BOOT_DRIVE=/dev/sde # Use the internal USB drive for the boot partition
export BOOT_METHOD=direct # Use direct or refind
export POOL_DRIVES="/dev/sda /dev/sdb /dev/sdc /dev/sdd" # Verify these with lsblk before running
export RAIDZ_PARITY="1" # Number of drives to use for the RAID-Z parity (must be 1 or greater otherwise why are you using ZFS?)
checks() {
# Check if the system is using UEFI or BIOS
if [ ! -d /sys/firmware/efi ]; then
echo "System must be using UEFI"
exit 1
fi
# Check if all drives exist and are valid
for d in $BOOT_DRIVE $POOL_DRIVES; do
if [ ! -b $d ]; then
echo "Drive $d does not exist"
exit 1
fi
done
# Check if the boot method is valid
if [ $BOOT_METHOD != "direct" ] && [ $BOOT_METHOD != "refind" ]; then
echo "Boot method must be direct or refind"
exit 1
fi
# Check if the RAID-Z parity is valid
if [ $RAIDZ_PARITY -lt 1 ]; then
echo "RAID-Z parity must be 1 or greater"
exit 1
fi
}
setup_zfs() {
# Validation
check
# Generate the hostid
source /etc/os-release
export ID
zgenhostid -f 0x00bab10c
# Prepare the boot drive
wipefs -a $BOOT_DRIVE
sgdisk --zap-all $BOOT_DRIVE
sgdisk -n "1:1m:+1g" -t "1:ef00" $BOOT_DRIVE
# Prepare the ZFS pool drives
for d in $POOL_DRIVES; do
wipefs -a $d
sgdisk --zap-all $d
sgdisk -n "1:0:-10m" -t "1:bf00" "$d"
if zdb -l "$d" &> /dev/null; then
zpool labelclear -f "$d"
fi
done
# Create the ZFS pool (should we use noatime=on instead of relatime=on?)
ZFS_POOL_DRIVES=$(echo $(for dev in $POOL_DRIVES; do find /dev/disk/by-id/ -samefile $(readlink -f "$dev") ! -name "*-part*" -print -quit; done))
zpool create -f -o ashift=12 -O compression=lz4 -O acltype=posixacl -O xattr=sa -O relatime=on -o autotrim=on -o compatibility=openzfs-2.1-linux -m none zroot raidz $ZFS_POOL_DRIVES
# Create the ZFS datasets
zfs create -o mountpoint=none zroot/ROOT
zfs create -o mountpoint=/ -o canmount=noauto zroot/ROOT/$ID
zfs create -o mountpoint=/home zroot/home
zpool set bootfs=zroot/ROOT/$ID zroot
# Export and import the ZFS pool
zpool export zroot
zpool import -N -R /mnt zroot
zfs mount zroot/ROOT/$ID
zfs mount zroot/home
# Trigger udev
udevadm trigger
# Install base system
XBPS_ARCH=x86_64 xbps-install -S -R https://mirrors.servercentral.com/voidlinux/current -r /mnt base-system
# Copy the hostid into the new system
cp /etc/hostid /mnt/etc
# Chroot into the new system
echo "entering the void..."
xchroot /mnt
}
setup_chroot() {
# Set the root password
echo "root:root" | chpasswd
# Update the package manager
xbps-install -Suy
# Install the non-free repository
xbps-install -y void-repo-nonfree
xbps-install -Suy
# Install & enable the intel microcode service
xbps-install -y intel-ucode
ln -sf /etc/sv/intel-ucode /etc/runit/runsvdir/default/
# Set the timezone & hardware clock
ln -sf /usr/share/zoneinfo/America/New_York /etc/localtime
hwclock --systohc
# Set the hostname
echo "$HOSTNAME" > /etc/hostname
# Set the rc.conf variables
printf "HOSTNAME=\"$HOSTNAME\"\nHARDWARECLOCK=\"UTC\"\nTIMEZONE=\"America/New_York\"\nKEYMAP=us\n" > /etc/rc.conf
# Set the locales
printf "en_US.UTF-8 UTF-8\nen_US ISO-8859-1\n" > /etc/default/libc-locales
xbps-reconfigure -f glibc-locales
# Set the dracut configuration
printf "nofsck=\"yes\"\nadd_dracutmodules+=\" zfs \"\nomit_dracutmodules+=\" btrfs \"\n" > /etc/dracut.conf.d/zol.conf
# Install the zfs package
xbps-install -y zfs
# Set the zfsbootmenu command line options
zfs set org.zfsbootmenu:commandline="quiet loglevel=4" zroot/ROOT
# Setup & mount the boot partition
mkfs.vfat -F32 ${BOOT_DRIVE}1
BOOT_UUID=$(blkid -s UUID -o value ${BOOT_DRIVE}1)
echo "UUID=$BOOT_UUID /boot/efi vfat defaults 0 0" > /etc/fstab
mkdir -p /boot/efi
mount /boot/efi
# Install and setup zfsbootmenu
xbps-install -S zfsbootmenu gummiboot-efistub yq
yq -iy '.Global.ManageImages=true | .Global.BootMountPoint="/boot/efi" | .Components.Enabled=false | .EFI.ImageDir="/boot/efi/EFI/zbm" | .EFI.Versions=false | .EFI.Enabled=true | .Kernel.CommandLine="quiet loglevel=0"' /etc/zfsbootmenu/config.yaml
generate-zbm
# Apply boot method
# Note : Some systems can have issues with EFI boot entries, you might need to use a well-known EFI file name.
# Reference : https://docs.zfsbootmenu.org/en/v2.3.x/general/portable.html
if [ $BOOT_METHOD == "direct" ]; then
xbps-install efibootmgr
efibootmgr -c -d "$BOOT_DRIVE" -p "1" -L "ZFSBootMenu (Backup)" -l '\EFI\ZBM\VMLINUZ-BACKUP.EFI'
efibootmgr -c -d "$BOOT_DRIVE" -p "1" -L "ZFSBootMenu" -l '\EFI\ZBM\VMLINUZ.EFI'
elif [ $BOOT_METHOD == "refind" ]; then
xbps-install -y refind
refind-install
rm /boot/refind_linux.conf
printf "\"Boot default\" \"quiet loglevel=0 zbm.skip\"\n\"Boot to menu\" \"quiet loglevel=0 zbm.show\"\n" > /boot/efi/EFI/ZBM/refind_linux.conf
# Everything below this line is a "hacky" solution to a problem I was having with the zfsbootmenu package
# https://github.com/zbm-dev/zfsbootmenu/issues/293
# The developers of zfsbootmenu are rude and unhelpful, so I had to figure this out on my own:
# 12:39 -- Mode #zfsbootmenu [+b *!*@big.dick.acid.vegas] by zdykstra
# 12:39 ◀▬▬ zdykstra has kicked acidvegas (acidvegas)
# 12:39 -- #zfsbootmenu: Cannot join channel (+b) - you are banned
mkdir -p /boot/efi/EFI/BOOT
mvrefind /boot/efi/EFI/refind /boot/efi/EFI/BOOT
temp=$(mktemp -d)
wget -O $temp/latest.tar.gz https://get.zfsbootmenu.org/latest.tar.gz
tar xvf $temp/latest.tar.gz -C $temp/
rm $temp/latest.tar.gz
mv $temp/zfs*/* /boot/efi/EFI/ZBM/
rm /boot/efi/EFI/ZBM/vmlinuz.efi
xbps-remove zfsbootmenu
fi
# Reconfigure the system
xbps-reconfigure -fa
# Exit the chroot environment
echo "exiting the void..."
exit
}
# Check the command
if [ "$#" -ne 1 ]; then
echo "usage: $0 [zfs|chroot|final]"
exit 1
fi
# Execute the command
case "$1" in
zfs) setup_zfs ;;
chroot) setup_chroot ;;
final) umount -n -R /mnt; zpool export zroot; reboot ;;
*) echo "usage: $0 [zfs|chroot|final]" && exit 1 ;;
esac