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format.sh
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format.sh
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#!/usr/bin/env bash
set -euo pipefail
declare -r DEST_DISK_ID="ata-ST1000LM024_HN-M101MBB_S314JB0FA42608"
declare -r DEST_DISK_PATH="/dev/disk/by-id/${DEST_DISK_ID}"
declare -r PACKAGELIST="sudo,popularity-contest"
declare -r DEST_CHROOT_DIR="/mnt/tmp"
mkdir -p "${DEST_CHROOT_DIR}"
zpool export bpool || true
zpool export rpool || true
zpool labelclear -f ${DEST_DISK_PATH}-part3 || true
zpool labelclear -f ${DEST_DISK_PATH}-part4 || true
# clear partition table
sgdisk --zap-all "${DEST_DISK_PATH}"
# BIOS
sgdisk -n1:2048:+1000K -t1:EF02 "${DEST_DISK_PATH}"
# or UEFI
#sgdisk -n2:1M:+512M -t2:EF00 "${DEST_DISK_PATH}"
# boot-pool
sgdisk -n3:0:+1G -t3:BF01 "${DEST_DISK_PATH}"
# root-pool
sgdisk -n4:0:0 -t4:BF01 "${DEST_DISK_PATH}"
partprobe
sleep 5
# create boot-pool
zpool create -o ashift=12 -d \
-o feature@async_destroy=enabled \
-o feature@bookmarks=enabled \
-o feature@embedded_data=enabled \
-o feature@empty_bpobj=enabled \
-o feature@enabled_txg=enabled \
-o feature@extensible_dataset=enabled \
-o feature@filesystem_limits=enabled \
-o feature@hole_birth=enabled \
-o feature@large_blocks=enabled \
-o feature@lz4_compress=enabled \
-o feature@spacemap_histogram=enabled \
-o feature@userobj_accounting=enabled \
-O acltype=posixacl -O canmount=off -O compression=lz4 -O devices=off \
-O normalization=formD -O relatime=on -O xattr=sa \
-O mountpoint=/ -R "${DEST_CHROOT_DIR}" \
bpool "${DEST_DISK_PATH}-part3"
# create root-pool
zpool create -o ashift=12 \
-o feature@log_spacemap=disabled \
-O acltype=posixacl -O canmount=off -O compression=lz4 \
-O dnodesize=auto -O normalization=formD -O relatime=on -O xattr=sa \
-O mountpoint=/ -R "${DEST_CHROOT_DIR}" \
rpool "${DEST_DISK_PATH}-part4"
# create containers
zfs create -o canmount=off -o mountpoint=none rpool/ROOT
zfs create -o canmount=off -o mountpoint=none bpool/BOOT
# create datasets
zfs create -o canmount=noauto -o mountpoint=/ rpool/ROOT/debian
zfs mount rpool/ROOT/debian
zfs create -o canmount=noauto -o mountpoint=/boot bpool/BOOT/debian
zfs mount bpool/BOOT/debian
zfs create rpool/home
# zfs create -o mountpoint=/root rpool/home/root
zfs create -o canmount=off rpool/var
# zfs create -o canmount=off rpool/var/lib
zfs create rpool/var/log
zfs create rpool/var/spool
#The datasets below are optional, depending on your preferences and/or software choices:
# If you wish to exclude these from snapshots:
zfs create -o com.sun:auto-snapshot=false rpool/var/cache
zfs create -o com.sun:auto-snapshot=false rpool/var/tmp
chmod 1777 "${DEST_CHROOT_DIR}"/var/tmp
# If you use /opt on this system:
#zfs create rpool/opt
# If you use /srv on this system:
#zfs create rpool/srv
# If you use /usr/local on this system:
#zfs create -o canmount=off rpool/usr
#zfs create rpool/usr/local
# If this system will store local email in /var/mail:
#zfs create rpool/var/mail
# If you use /var/www on this system:
#zfs create rpool/var/www
zfs create -o canmount=off rpool/var/lib
# If this system will use Docker (which manages its own datasets & snapshots):
zfs create -o com.sun:auto-snapshot=false rpool/var/lib/docker
# A tmpfs is recommended later, but if you want a separate dataset for /tmp:
#zfs create -o com.sun:auto-snapshot=false rpool/tmp
#chmod 1777 "${DEST_CHROOT_DIR}"/tmp
# finally debootstrap
debootstrap --cache-dir=/var/cache/debootstrap --components=main,contrib,non-free --variant=buildd --include=${PACKAGELIST} sid "${DEST_CHROOT_DIR}" https://deb.debian.org/debian/
# ?
zfs set devices=off rpool
# mount stuff into chroot
# not needed for systemd-nspawn
rsync -rlv seed-root/ "${DEST_CHROOT_DIR}/"
sed -i "s,__DEST_DISK_ID__,${DEST_DISK_ID},g" "${DEST_CHROOT_DIR}/var/tmp/systemd-nspawnscript.sh"
sed -i "s,__DEST_DISK_ID__,${DEST_DISK_ID},g" "${DEST_CHROOT_DIR}/var/tmp/chroot-script.sh"
systemd-nspawn -D "${DEST_CHROOT_DIR}" /bin/bash -x /var/tmp/systemd-nspawnscript.sh
if command -v arch-chroot; then
arch-chroot ${DEST_CHROOT_DIR} bash -x /var/tmp/chroot-script.sh
else
for _dir in dev proc sys; do
mount --rbind /${_dir} "${DEST_CHROOT_DIR}"/${_dir}
mount --make-rslave "${DEST_CHROOT_DIR}"/${_dir}
done
chroot ${DEST_CHROOT_DIR} bash -x /var/tmp/chroot-script.sh
for _dir in dev proc sys; do
umount "${DEST_CHROOT_DIR}"/${_dir}
done
fi
read -r -p "Switch to installed system (systemd-nspawn)?" _nspawn_switch
if [[ "$_nspawn_switch" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
systemd-nspawn -D "${DEST_CHROOT_DIR}" PATH=/usr/sbin:$PATH /bin/bash --login
fi
read -r -p "cleanup (umount __ALL ZFS MOUNTS__, zfs export etc.)?" _cleanup
if [[ "$_cleanup" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
zfs umount -a
zpool export bpool
zpool export rpool
fi