zol-on-root-for-ubuntu.sh

#!/bin/sh
# not work

set -o xtrace
set -o errexit

{
if [ ! -f "/etc/apt/sources.list.d/zfs-native-stable-trusty.list" ]; then
    apt-add-repository -y ppa:zfs-native/stable
fi

apt-get update --yes
apt-get install --yes debootstrap spl-dkms zfs-dkms ubuntu-zfs

if ! lsmod | grep -qF 'zfs'; then
    modprobe zfs
fi

dmesg | grep -F 'ZFS:'

## create partition
#if [ ! -f "/root/partitioned.txt" ]; then
#    first_disk="$(lsblk | awk '$1~/^[hs]d[a-z]/ && $NF~/disk/ {printf "/dev/%s\n", $1}' | head -n1)"
#    for p_num in $(ls ${first_disk}* | grep -Eo '[0-9]+$' | sort -nr); do
#        printf "d\n%d\nw\n" "$p_num" | fdisk "$first_disk" || true
#    done
#    printf "n\np\n1\n\n+256MB\na\n1\nt\nbe\nn\np\n2\n\n\nt\n2\nbf\np\nw\n" | fdisk "$first_disk" || true
#
#    for disk in $(lsblk | awk '$1~/^[hs]d[a-z]/ && $NF~/disk/ {printf "/dev/%s\n", $1}'); do
#        echo "${disk}" | grep -q "$first_disk" && continue
#        sfdisk --dump "$first_disk" | sfdisk "${disk}"
#    done
#    touch "/root/partitioned.txt"
#fi
#
# create a boot partition that has stage1 GRUB support
if [ ! -f "/root/boot-partition-created.txt" ]; then
    sleep 3
    for disk in $(lsblk | awk '$1~/^[hs]d[a-z]/ && $NF~/disk/ {printf "/dev/%s\n", $1}'); do
        mkfs.ext2 -m 0 -L "/boot/grub" "${disk}1"
    done
    touch "/root/boot-partition-created.txt"
fi

# create root pool
if ! zpool list | grep -qF 'rpool'; then
    zpool create -f -o ashift=9 rpool mirror \
        $(ls -l /dev/disk/by-id/ | awk '$NF~/[hs]d[a-z]/ && $9~/ata.*-part2$/ {printf "/dev/disk/by-id/%s ", $9} END {printf "\n"}')
    zfs create "rpool/ROOT"
    zfs create "rpool/ROOT/ubuntu-1"
fi

# Dismount all ZFS filesystems
if [ ! -f "/root/mounted.txt" ]; then
    zfs umount -a
    touch "/root/mounted.txt"
fi

# Set the mountpoint property on the root filesystem
if ! zfs list | grep -E '^rpool/ROOT/ubuntu-1' | grep -qE '/$'; then
    zfs set mountpoint=/ rpool/ROOT/ubuntu-1
fi

# Set the bootfs property on the root pool
if ! zpool get all | grep -F 'bootfs' | grep -qF 'rpool/ROOT/ubuntu-1'; then
    zpool set bootfs=rpool/ROOT/ubuntu-1 rpool
fi

# export and import
if [ ! -f "/root/export-and-import.txt" ]; then
    zpool export rpool
    zpool import -d "/dev/disk/by-id" -R "/mnt" \
        "$(zpool import | grep -A2 'pool: rpool' | grep -B1 'ONLINE' | awk '$1~/id/ {print $NF}')"
    touch "/root/export-and-import.txt"
fi

# Mount the small boot filesystem for GRUB
[ -d "/mnt/boot/grub" ] || mkdir -p "/mnt/boot/grub"
if ! mount | grep -qF '/mnt/boot/grub'; then
    mount "$(ls -l /dev/disk/by-id | grep -m1 -F 'sda1' | awk '{printf "/dev/disk/by-id/%s\n", $9}')" "/mnt/boot/grub"
fi

# Install the minimal system
if [ ! -d "/mnt/home" ]; then
    debootstrap trusty /mnt
fi

# Copy these files from the LiveCD environment to the new system
if [ "$(md5sum "/etc/hostname" | awk '{print $1}')" != "$(md5sum "/mnt/etc/hostname" | awk '{print $1}')" ]; then
    cp /etc/hostname /mnt/etc/
fi
if [ "$(md5sum "/etc/hosts" | awk '{print $1}')" != "$(md5sum "/mnt/etc/hosts" | awk '{print $1}')" ]; then
    cp /etc/hosts /mnt/etc/
fi

# fstab
if ! grep -qF '/dev/disk/by-id' "/mnt/etc/fstab"; then
    printf "$(ls -l /dev/disk/by-id | grep -m1 -F 'sda1' | awk '{printf "/dev/disk/by-id/%s\n", $9}') \
        /boot/grub auto defaults 0 1\n" >> "/mnt/etc/fstab"
fi

# interfaces
if ! grep -qF 'iface eth0 inet dhcp' "/mnt/etc/network/interfaces"; then
    cat <<'EOT' >> "/mnt/etc/network/interfaces"
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp
EOT
fi

## Make virtual filesystem in the LiveCD environment visible to the new system and chroot into it
#mount --bind /dev  /mnt/dev
#mount --bind /proc /mnt/proc
#mount --bind /sys  /mnt/sys
#chroot /mnt /bin/bash --login

## Install PPA support in the chroot environment
#locale-gen en_US.UTF-8
#apt-get update --yes
#apt-get install --yes ubuntu-minimal software-properties-common
#
## Install ZFS in the chroot environment for the new system
#if [ ! -f "/etc/apt/sources.list.d/zfs-native-stable-trusty.list.save" ]; then
#    apt-add-repository --yes ppa:zfs-native/stable
#fi
#if [ ! -f "/etc/apt/sources.list.d/zfs-native-grub-trusty.list" ]; then
#    apt-add-repository --yes ppa:zfs-native/grub
#fi
#apt-get update --yes || true
#apt-get install --yes --no-install-recommends linux-image-generic linux-headers-generic
#apt-get install --yes ubuntu-zfs
#apt-get install --yes grub2-common grub-pc
#apt-get install --yes zfs-initramfs
#apt-get dist-upgrade --yes

## passwd root

} | tee "/root/install.log" 2>&1

damepo