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Set up efi #45

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Set up efi #45

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30 changes: 28 additions & 2 deletions hetzner-ubuntu22-zfs-setup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -478,7 +478,11 @@ echo "======= partitioning the disk =========="

for selected_disk in "${v_selected_disks[@]}"; do
wipefs --all --force "$selected_disk"
sgdisk -a1 -n1:24K:+1000K -t1:EF02 "$selected_disk"
sgdisk --zap-all "$selected_disk"
# for UEFI
sgdisk -n1:1M:+512M -t1:EF00 "$selected_disk" # bootloader
# for legacy BIOS
# sgdisk -a1 -n1:24K:+1000K -t1:EF02 "$selected_disk"
sgdisk -n2:0:+2G -t2:BF01 "$selected_disk" # Boot pool
sgdisk -n3:0:"$tail_space_parameter" -t3:BF01 "$selected_disk" # Root pool
done
Expand Down Expand Up @@ -728,10 +732,27 @@ cp /etc/zpool.cache /mnt/etc/zfs/zpool.cache
echo "========setting up zfs module parameters========"
chroot_execute "echo options zfs zfs_arc_max=$((v_zfs_arc_max_mb * 1024 * 1024)) >> /etc/modprobe.d/zfs.conf"


echo "======= setup EFI =========="
apt install --yes dosfstools

for selected_disk in "${v_selected_disks[@]}"; do
mkdosfs -F 32 -s 1 -n EFI "${selected_disk}-part1"
done
chroot_execute "mkdir /boot/efi"
chroot_execute "echo /dev/disk/by-uuid/$(blkid -s UUID -o value ${v_selected_disks[0]}-part1) /boot/efi vfat defaults 0 0 >> /etc/fstab"
chroot_execute "mount /boot/efi"

chroot_execute "apt install --yes grub-efi-amd64 grub-efi-amd64-signed linux-image-generic shim-signed zfs-initramfs zsys"


echo "======= setting up grub =========="
chroot_execute "echo 'grub-pc grub-pc/install_devices_empty boolean true' | debconf-set-selections"
chroot_execute "DEBIAN_FRONTEND=noninteractive apt install --yes grub-pc"
chroot_execute "grub-install ${v_selected_disks[0]}"
# for UEFI
chroot_execute "grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=ubuntu --recheck --no-floppy"
# for legacy BIOS
# chroot_execute "grub-install ${v_selected_disks[0]}"

chroot_execute "sed -i 's/#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub"
chroot_execute "sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"net.ifnames=0\"|' /etc/default/grub"
Expand Down Expand Up @@ -827,6 +848,7 @@ echo "======= setting up zed =========="
chroot_execute "zfs set canmount=noauto rpool"

echo "======= setting mountpoints =========="
chroot_execute "umount /boot/efi"
chroot_execute "zfs set mountpoint=legacy $v_bpool_name/BOOT/ubuntu"
chroot_execute "echo $v_bpool_name/BOOT/ubuntu /boot zfs nodev,relatime,x-systemd.requires=zfs-mount.service,x-systemd.device-timeout=10 0 0 > /etc/fstab"

Expand All @@ -851,3 +873,7 @@ unmount_and_export_fs

echo "======== setup complete, rebooting ==============="
reboot

#echo "======= setup EFI part 2=========="
# after reboot?
#chroot_execute "dpkg-reconfigure grub-efi-amd64"