#!/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${RAIDZ_PARITY} $ZFS_POOL_DRIVES # Create the ZFS datasets zfs create -o mountpoint=none zroot/ROOT zfs create -o mountpoint=/ -o canmount=noauto zroot/ROOT/$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