201 lines
6.2 KiB
Bash
Executable File
201 lines
6.2 KiB
Bash
Executable File
#!/bin/bash
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# enter the zoid (zfs on root with zraid) - developed by acidvegas (https://git.acid.vegas/void)
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# boot: https://github.com/leahneukirchen/hrmpf
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# reference: https://docs.zfsbootmenu.org/en/v2.3.x/guides/void-linux/uefi.html (do we need to make any updates?)
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set -xev
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# Configuration
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export HOSTNAME=blackhole
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export BOOT_DRIVE=/dev/sde # Use the internal USB drive for the boot partition
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export BOOT_METHOD=direct # Use direct or refind
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export POOL_DRIVES="/dev/sda /dev/sdb /dev/sdc /dev/sdd" # Verify these with lsblk before running
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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?)
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checks() {
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# Check if the system is using UEFI or BIOS
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if [ ! -d /sys/firmware/efi ]; then
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echo "System must be using UEFI"
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exit 1
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fi
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# Check if all drives exist and are valid
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for d in $BOOT_DRIVE $POOL_DRIVES; do
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if [ ! -b $d ]; then
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echo "Drive $d does not exist"
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exit 1
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fi
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done
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# Check if the boot method is valid
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if [ $BOOT_METHOD != "direct" ] && [ $BOOT_METHOD != "refind" ]; then
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echo "Boot method must be direct or refind"
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exit 1
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fi
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# Check if the RAID-Z parity is valid
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if [ $RAIDZ_PARITY -lt 1 ]; then
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echo "RAID-Z parity must be 1 or greater"
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exit 1
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fi
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}
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setup_zfs() {
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# Validation
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check
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# Generate the hostid
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source /etc/os-release
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export ID
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zgenhostid -f 0x00bab10c
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# Prepare the boot drive
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wipefs -a $BOOT_DRIVE
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sgdisk --zap-all $BOOT_DRIVE
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sgdisk -n "1:1m:+1g" -t "1:ef00" $BOOT_DRIVE
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# Prepare the ZFS pool drives
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for d in $POOL_DRIVES; do
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wipefs -a $d
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sgdisk --zap-all $d
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sgdisk -n "1:0:-10m" -t "1:bf00" "$d"
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if zdb -l "$d" &> /dev/null; then
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zpool labelclear -f "$d"
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fi
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done
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# Create the ZFS pool (should we use noatime=on instead of relatime=on?)
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ZFS_POOL_DRIVES=$(echo $(for dev in $POOL_DRIVES; do find /dev/disk/by-id/ -samefile $(readlink -f "$dev") ! -name "*-part*" -print -quit; done))
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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} $ZFS_POOL_DRIVES
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# Create the ZFS datasets
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zfs create -o mountpoint=none zroot/ROOT
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zfs create -o mountpoint=/ -o canmount=noauto zroot/ROOT/$ID
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zfs create -o mountpoint=/home zroot/home
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zpool set bootfs=zroot/ROOT/$ID zroot
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# Export and import the ZFS pool
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zpool export zroot
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zpool import -N -R /mnt zroot
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zfs mount zroot/ROOT/$ID
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zfs mount zroot/home
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# Trigger udev
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udevadm trigger
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# Install base system
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XBPS_ARCH=x86_64 xbps-install -S -R https://mirrors.servercentral.com/voidlinux/current -r /mnt base-system
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# Copy the hostid into the new system
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cp /etc/hostid /mnt/etc
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# Chroot into the new system
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echo "entering the void..."
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xchroot /mnt
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}
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setup_chroot() {
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# Set the root password
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echo "root:root" | chpasswd
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# Update the package manager and install some basic packages
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xbps-install -Suy nano wget
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# Install the non-free repository
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xbps-install -y void-repo-nonfree
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xbps-install -Suy
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# Install & enable the intel microcode service
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xbps-install -y intel-ucode
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ln -sf /etc/sv/intel-ucode /etc/runit/runsvdir/default/
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# Set the timezone & hardware clock
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ln -sf /usr/share/zoneinfo/America/New_York /etc/localtime
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hwclock --systohc
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# Set the hostname
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echo "$HOSTNAME" > /etc/hostname
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# Set the rc.conf variables
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printf "HOSTNAME=\"$HOSTNAME\"\nHARDWARECLOCK=\"UTC\"\nTIMEZONE=\"America/New_York\"\nKEYMAP=us\n" > /etc/rc.conf
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# Set nameservers
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printf "nameserver 9.9.9.9" > /etc/resolv.conf
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# Set the locales
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printf "en_US.UTF-8 UTF-8\nen_US ISO-8859-1\n" > /etc/default/libc-locales
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xbps-reconfigure -f glibc-locales
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# Set the dracut configuration
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printf "nofsck=\"yes\"\nadd_dracutmodules+=\" zfs \"\nomit_dracutmodules+=\" btrfs \"\n" > /etc/dracut.conf.d/zol.conf
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# Install the zfs package
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xbps-install -y zfs
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# Set the zfsbootmenu command line options
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zfs set org.zfsbootmenu:commandline="quiet loglevel=4" zroot/ROOT
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# Setup & mount the boot partition
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mkfs.vfat -F32 ${BOOT_DRIVE}1
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BOOT_UUID=$(blkid -s UUID -o value ${BOOT_DRIVE}1)
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echo "UUID=$BOOT_UUID /boot/efi vfat defaults 0 0" > /etc/fstab
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mkdir -p /boot/efi
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mount /boot/efi
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# Install and setup zfsbootmenu
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xbps-install -S zfsbootmenu gummiboot-efistub yq
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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
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generate-zbm
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# Apply boot method
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# Note : Some systems can have issues with EFI boot entries, you might need to use a well-known EFI file name.
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# Reference : https://docs.zfsbootmenu.org/en/v2.3.x/general/portable.html
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if [ $BOOT_METHOD == "direct" ]; then
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xbps-install efibootmgr
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efibootmgr -c -d "$BOOT_DRIVE" -p "1" -L "ZFSBootMenu (Backup)" -l '\EFI\ZBM\VMLINUZ-BACKUP.EFI'
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efibootmgr -c -d "$BOOT_DRIVE" -p "1" -L "ZFSBootMenu" -l '\EFI\ZBM\VMLINUZ.EFI'
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elif [ $BOOT_METHOD == "refind" ]; then
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xbps-install -y refind
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refind-install
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rm /boot/refind_linux.conf
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printf "\"Boot default\" \"quiet loglevel=0 zbm.skip\"\n\"Boot to menu\" \"quiet loglevel=0 zbm.show\"\n" > /boot/efi/EFI/ZBM/refind_linux.conf
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# Note : Everything below this line is a "hacky" solution to a problem I was having with the zfsbootmenu package
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# Reference: https://github.com/zbm-dev/zfsbootmenu/issues/293
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mkdir -p /boot/efi/EFI/BOOT
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mvrefind /boot/efi/EFI/refind /boot/efi/EFI/BOOT
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temp=$(mktemp -d)
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wget -O $temp/latest.tar.gz https://get.zfsbootmenu.org/latest.tar.gz
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tar xvf $temp/latest.tar.gz -C $temp/
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rm $temp/latest.tar.gz
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mv $temp/zfs*/* /boot/efi/EFI/ZBM/
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rm /boot/efi/EFI/ZBM/vmlinuz.efi
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xbps-remove zfsbootmenu
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fi
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# Reconfigure the system
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xbps-reconfigure -fa
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# Exit the chroot environment
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echo "exiting the void..."
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exit
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}
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# Check the command
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if [ "$#" -ne 1 ]; then
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echo "usage: $0 [zfs|chroot|final]"
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exit 1
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fi
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# Execute the command
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case "$1" in
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zfs) setup_zfs ;;
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chroot) setup_chroot ;;
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final) umount -n -R /mnt; zpool export zroot; reboot ;;
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*) echo "usage: $0 [zfs|chroot|final]" && exit 1 ;;
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esac
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