#! /bin/bash
echo ""
echo "Updating local packages..."
errors = ` apt-add-repository universe >/dev/null 2>& 1 1>/dev/null && apt update 2>& 1 >/dev/null`
if [ " $? " = "0" ] ; then
echo "Done."
else
echo " Failed to add universal repository, update apt repository - $errors "
exit 1
fi
echo ""
echo "Installing required setup configuration utilities..."
errors = $( apt install -y dialog net-tools gdisk zfs-initramfs debootstrap >/dev/null 2>/dev/null)
if [ " $? " = "0" ] ; then
echo "Done."
else
echo " Failed to install net-tools, gdisk, zfs-initramfs, or debootstrap - $errors "
exit 2
fi
#calculate width and height of console
width = ` tput cols`
height = ` tput lines`
window = $(( height - 5 ))
if [ -d "/sys/firmware/efi" ] ; then efi = "1" ; echo -e "\nUEFI detected..." else efi = "0" ; echo -e "\nBIOS detected..." ; fi
# gather input at the start
devices = "" ; for device in $( ls /dev/disk/by-id | grep -v part) ; do devices = " $devices $device off " ; done
disks = ` dialog --separate-output --no-cancel --no-items --title "Root devices" --checklist "Select root OS disks:" $height $width ${ window } $devices 2>& 1 1>/dev/tty`
boots = ` dialog --separate-output --no-cancel --no-items --title "Boot devices" --checklist "Select boot devices:" $height $width ${ window } $devices 2>& 1 1>/dev/tty`
alldisks = $( ( for d in ` echo " $disks " ` ; do echo " $d " ; done ; for d in ` echo " $boots " ` ; do echo " $d " ; done ) | sort -u)
echo " alldisks: $alldisks "
diskcount = ` echo " $disks " | wc -l`
diskoptions = "12 35 5 raidz off raidz2 off raidz3 off mirror off none off"
if [ " $diskcount " = "0" ] ; then echo "No disks found to use for boot device" ; exit 112; fi
if [ " $diskcount " = "1" ] ; then diskoptions = "8 35 1 none off" ; fi
if [ " $diskcount " = "2" ] ; then diskoptions = "9 35 2 mirror off none off" ; fi
if [ " $diskcount " = "3" ] ; then diskoptions = "10 35 3 raidz off mirror off none off" ; fi
if [ " $diskcount " = "4" ] ; then diskoptions = "12 35 5 raidz off raidz2 off raidz3 off mirror off none off" ; fi
if [ " $diskcount " = "5" ] ; then diskoptions = "12 35 5 raidz off raidz2 off raidz3 off mirror off none off" ; fi
if [ " $diskcount " = "6" ] ; then diskoptions = "12 35 5 raidz off raidz2 off raidz3 off mirror off none off" ; fi
if [ " $diskcount " -gt "6" ] ; then diskoptions = "11 35 4 raidz2 off raidz3 off mirror off none off" ; fi
if [ " $diskcount " -gt "11" ] ; then diskoptions = "10 35 3 raidz3 off mirror off none off" ; fi
raidtype = ` dialog --no-items --no-cancel --title "Root pool ZFS RAID" --radiolist "Select root pool ZFS RAID type:" $diskoptions 2>& 1 1>/dev/tty`
hostname = "" ; while [ -z " $hostname " ] ; do hostname = ` dialog --no-cancel --inputbox "Hostname:" 8 40 2>& 1 >/dev/tty` ; done
domainname = "" ; while [ -z " $domainname " ] ; do domainname = ` dialog --no-cancel --inputbox "Domain name root (for fully qualified domain, e.g. company.com):" 8 40 2>& 1 >/dev/tty` ; done
fqdn = " ${ hostname } . ${ domainname } "
nicdevices = "" ; for nic in $( ip -o link show | awk -F': ' '{print $2}' | grep -v '^lo' ) ; do nicdevices = " $nicdevices $nic off " ; done
totalram = ` cat /proc/meminfo | grep -e "^MemTotal" | sed 's/MemTotal: *\(.*\) kB *$/\1/g' `
swapspace = $(( $totalram / 5 ))
swapspace = $(( $swapspace / ` getconf PAGESIZE` ))
swapspace = $(( $swapspace * ` getconf PAGESIZE` ))
# 20% swap space with 2G minimum
if [ " $swapspace " -lt "2048000" ] ; then swapspace = "2048000" ; fi
nics = ` dialog --separate-output --no-cancel --no-items --title "Bridged network devices" --checklist "Select the network devices to be bridged to bridge - select none for no bridge:" $height $width ${ window } $nicdevices 2>& 1 1>/dev/tty`
if [ -z " $nics " ] ; then
bridgedevice = ` dialog --no-cancel --no-items --title "Configure network devices" --radiolist "NO BRIDGE MODE!\nSelect the network device to configure:" $height $width ${ window } $nicdevices 2>& 1 1>/dev/tty`
else
bridgedevice = "br0"
fi
networktype = ` dialog --no-items --no-cancel --title "Network type" --radiolist "Select the network type:" 9 40 2 dhcp off static off 2>& 1 1>/dev/tty`
if [ " $networktype " = "static" ] ; then
address = "" ; while [ -z " $address " ] ; do address = ` dialog --no-cancel --inputbox "IP Address:" 8 40 2>& 1 >/dev/tty` ; done
subnet = "" ; while [ -z " $subnet " ] ; do subnet = ` dialog --no-cancel --inputbox "Subnet mask:" 8 40 2>& 1 >/dev/tty` ; done
gateway = "" ; while [ -z " $gateway " ] ; do gateway = ` dialog --no-cancel --inputbox "Gateway:" 8 40 2>& 1 >/dev/tty` ; done
dns1 = "" ; while [ -z " $dns1 " ] ; do dns1 = ` dialog --no-cancel --inputbox "Primary DNS server:" 8 40 2>& 1 >/dev/tty` ; done
dns2 = ` dialog --no-cancel --inputbox "Secondary DNS server:" 8 40 2>& 1 >/dev/tty`
fi
admin = "" ; while [ -z " $admin " ] ; do admin = ` dialog --no-cancel --inputbox "Admin user:" 8 40 2>& 1 >/dev/tty` ; done
rootpassword = ""
while [ " $rootpassword " = "" ] ; do
rootpassword = ` dialog --no-cancel --title "Root password" --insecure --passwordbox "Enter root password:" 8 40 2>& 1 1>/dev/tty`
confirmpassword = ` dialog --no-cancel --title "Root password confirmation" --insecure --passwordbox "Re-enter root password:" 8 40 2>& 1 1>/dev/tty`
if ! [ " $rootpassword " = " $confirmpassword " ] ; then
echo "Password does not match confirmation - please retry the setup"
rootpassword = ""
fi
done
admins = ` dialog --no-items --no-cancel --title "Administrators" --inputbox "List administrator e-mail addresses separated by comma:" 10 40 2>& 1 1>/dev/tty`
a = "" ; for x in ` timedatectl list-timezones` ; do a = " $a $x " ; done
smtp = "" ; while [ -z " $smtp " ] ; do smtp = ` dialog --no-cancel --inputbox "Outoing e-mail SMTP proxy server:" 8 40 2>& 1 >/dev/tty` ; done
email = "" ; while [ -z " $email " ] ; do email = ` dialog --no-cancel --inputbox "Outgoing mail username:" 8 40 2>& 1 >/dev/tty` ; done
emailpassword = ""
while [ " $emailpassword " = "" ] ; do
emailpassword = ` dialog --no-cancel --title "Outgoing e-mail SMTP mail password" --insecure --passwordbox "Enter outgoing e-mail SMTP password:" 8 40 2>& 1 1>/dev/tty`
confirmpassword = ` dialog --no-cancel --title "Outgoing e-mail SMTP mail password" --insecure --passwordbox "Re-enter outgoing e-mail SMTP password:" 8 40 2>& 1 1>/dev/tty`
if ! [ " $emailpassword " = " $confirmpassword " ] ; then
echo "Password does not match confirmation - please retry the setup"
emailpassword = ""
fi
done
timezone = ` dialog --no-items --no-cancel --menu "Select time zone:" $height 40 ${ window } ${ a } 2>& 1 1>/dev/tty`
for disk in ` echo " $alldisks " ` ; do
echo ""
echo " Erasing partition table for device $disk ... "
errors = ` sgdisk --zap-all /dev/disk/by-id/$disk 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to erase partition table for device $disk - $errors "
exit 3
fi
echo "Done."
done
if [ " $efi " = "1" ] ; then
for disk in ` echo " $boots " ` ; do
echo ""
echo " Creating boot partitions for device $disk ... "
errors = ` sgdisk -n1:1M:+512M -t1:EF00 /dev/disk/by-id/$disk 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to create boot partition for device $disk - $errors "
exit 3
fi
echo "Done."
done
for disk in ` echo " $boots " ` ; do
echo ""
echo " Creating boot partitions for device $disk ... "
errors = ` sgdisk -n3:0:+512M -t3:BF01 /dev/disk/by-id/$disk 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to create boot partition for device $disk - $errors "
exit 3
fi
echo "Done."
done
else
for disk in ` echo " $boots " ` ; do
echo ""
echo " Creating boot partitions for device $disk ... "
errors = ` sgdisk -a1 -n1:24K:+1000K -t1:EF02 /dev/disk/by-id/$disk 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to create boot partition for device $disk - $errors "
exit 3
fi
echo "Done."
done
fi
for disk in ` echo " $disks " ` ; do
echo ""
echo " Creating main storage for device $disk ... "
errors = ` sgdisk -n4:0:0 -t4:BF01 /dev/disk/by-id/$disk 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to create main storage for device $disk - $errors "
exit 3
fi
echo "Done."
done
# create boot mirror list and root list
count = "0" ; bootmirror = "" ; for disk in ` echo " $boots " ` ; do bootmirror = " $bootmirror /dev/disk/by-id/ ${ disk } -part3 " ; count = $(( count + 1 )) ; done ; if [ " $count " -gt "1" ] ; then bootmirror = " mirror $bootmirror " ; fi
rootraidz = "" ; for disk in ` echo " $disks " ` ; do rootraidz = " $rootraidz /dev/disk/by-id/ ${ disk } -part4 " ; done
# refresh drives or there are missing partitions
partprobe 2>/dev/null 1>/dev/null
# wait for the partitions to show up
for disk in ` echo " $boots " ` ; do
pending = "0"
while ! [ -e " /dev/disk/by-id/ ${ disk } -part3 " ] ; do
partprobe 2>/dev/null 1>/dev/null
if [ " $pending " = "0" ] ; then echo "" && echo " Waiting for ${ disk } boot pool partition to update on device ${ disk } ... " ; pending = "1" ; fi
sleep 3
done
if [ " $pending " = "1" ] ; then echo "Done." ; fi
done
for disk in ` echo " $boots " ` ; do
pending = "0"
while ! [ -e " /dev/disk/by-id/ ${ disk } -part1 " ] ; do
partprobe 2>/dev/null 1>/dev/null
if [ " $pending " = "0" ] ; then echo "" && echo " Waiting for ${ disk } boot partition to update on device ${ disk } ... " ; pending = "1" ; fi
sleep 3
done
if [ " $pending " = "1" ] ; then echo "Done." ; fi
done
echo ""
echo "Creating boot zpool..."
errors = ` zpool create -f -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 /mnt bpool $bootmirror 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to create boot pool - $errors "
exit 4
fi
echo "Done."
# no striped mirror support yet
# special exception for none raid - this just operates the disks like a stripe, for 1 or more disk - *not* recommended
if [ " $raidtype " = "none" ] ; then
raidtype = ""
else
raidtype = " $raidtype "
fi
# wait for the partitions to show up
for disk in ` echo " $disks " ` ; do
pending = "0"
while ! [ -e " /dev/disk/by-id/ ${ disk } -part4 " ] ; do
partprobe 2>/dev/null 1>/dev/null
if [ " $pending " = "0" ] ; then echo "" && echo " Waiting for ${ disk } storage partition to update... " ; pending = "1" ; fi
sleep 3
done
if [ " $pending " = "1" ] ; then echo "Done." ; fi
done
echo ""
echo "Creating main zpool..."
error = ` zpool create -f -o ashift = 12 -O acltype = posixacl -O canmount = off -O compression = lz4 -O dnodesize = auto -O normalization = formD -O relatime = on -O xattr = sa -O mountpoint = / -R /mnt rpool${ raidtype } ${ rootraidz } 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to create main pool - $errors "
exit 5
fi
echo "Done."
echo ""
echo "Setting up main zpool dataset configuration..."
errors = ` zfs create -o canmount = off -o mountpoint = none rpool/ROOT 2>& 1 1>/dev/null && zfs create -o canmount = off -o mountpoint = none bpool/BOOT 2>& 1 1>/dev/null && zfs create -o canmount = noauto -o mountpoint = / rpool/ROOT/ubuntu 2>& 1 1>/dev/null && zfs mount rpool/ROOT/ubuntu 2>& 1 1>/dev/null && zfs create -o canmount = noauto -o mountpoint = /boot bpool/BOOT/ubuntu 2>& 1 1>/dev/null && zfs mount bpool/BOOT/ubuntu 2>& 1 1>/dev/null && zfs create rpool/home 2>& 1 1>/dev/null && zfs create -o mountpoint = /root rpool/home/root 2>& 1 1>/dev/null && zfs create -o canmount = off rpool/var 2>& 1 1>/dev/null && zfs create -o canmount = off rpool/var/lib 2>& 1 1>/dev/null && zfs create rpool/var/log 2>& 1 1>/dev/null && zfs create rpool/var/spool 2>& 1 1>/dev/null && zfs create -o com.sun:auto-snapshot= false rpool/var/cache 2>& 1 1>/dev/null && zfs create -o com.sun:auto-snapshot= false rpool/var/tmp 2>& 1 1>/dev/null && chmod 1777 /mnt/var/tmp 2>& 1 1>/dev/null && zfs create rpool/opt 2>& 1 1>/dev/null && zfs create rpool/srv 2>& 1 1>/dev/null && zfs create -o canmount = off rpool/usr 2>& 1 1>/dev/null && zfs create rpool/usr/local 2>& 1 1>/dev/null && zfs create rpool/var/mail 2>& 1 1>/dev/null && zfs create -o com.sun:auto-snapshot= false rpool/var/lib/docker 2>& 1 1>/dev/null && zfs create -o com.sun:auto-snapshot= false rpool/var/lib/nfs 2>& 1 1>/dev/null && zfs create -o com.sun:auto-snapshot= false rpool/tmp 2>& 1 1>/dev/null && chmod 1777 /mnt/tmp 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Error setting up ZFS settings - $errors "
exit 5
fi
echo "Done."
echo ""
echo "Bootstrapping..."
errors = ` debootstrap bionic /mnt 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to bootstrap root - $errors "
exit 6
fi
echo "Done."
echo ""
echo "Disabling ZFS devices..."
errors = ` zfs set devices = off rpool 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to set devices=off for root pool- $errors "
exit 7
fi
echo "Done."
echo ""
echo "Setting hostname and e-mail admins..."
echo " $hostname " > /mnt/etc/hostname
echo " 127.0.0.1 $hostname $fqdn " > /mnt/etc/hosts
echo " 127.0.1.1 $hostname " >> /mnt/etc/hosts
echo " ${ admins } " > /mnt/admins
chmod o+r /mnt/admins
echo "Done."
echo ""
echo "Setting default apt repositories"
echo "deb http://archive.ubuntu.com/ubuntu bionic main universe" > /mnt/etc/apt/sources.list
echo "deb-src http://archive.ubuntu.com/ubuntu bionic main universe" >> /mnt/etc/apt/sources.list
echo "deb http://security.ubuntu.com/ubuntu bionic-security main universe" >> /mnt/etc/apt/sources.list
echo "deb-src http://security.ubuntu.com/ubuntu bionic-security main universe" >> /mnt/etc/apt/sources.list
echo "deb http://archive.ubuntu.com/ubuntu bionic-updates main universe" >> /mnt/etc/apt/sources.list
echo "deb-src http://archive.ubuntu.com/ubuntu bionic-updates main universe" >> /mnt/etc/apt/sources.list
echo "Done."
echo ""
echo "Setting up boot pool import service..."
echo "[Unit]" > /mnt/etc/systemd/system/zfs-import-bpool.service
echo " DefaultDependencies=no" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo " Before=zfs-import-scan.service" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo " Before=zfs-import-cache.service" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo "" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo "[Service]" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo " Type=oneshot" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo " RemainAfterExit=yes" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo " ExecStart=/sbin/zpool import -N -o cachefile=none bpool" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo "[Install]" >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo " WantedBy=zfs-import.target " >> /mnt/etc/systemd/system/zfs-import-bpool.service
echo "Done."
echo ""
echo "Creating home directory..."
errors = ` zfs create rpool/home/${ admin } 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Unable to create home directory - $errors "
exit 9
fi
echo "Done."
echo ""
echo "Mounting chroot mounts..."
mount --rbind /dev /mnt/dev
mount --rbind /proc /mnt/proc
mount --rbind /sys /mnt/sys
echo "Done."
echo ""
echo "Entering chroot..."
echo "#!/bin/bash" > /mnt/setup-chroot.sh
echo " HOSTNAME=\" $hostname \" " >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Mounting /proc/self/mounts...\"" >> /mnt/setup-chroot.sh
echo "ln -s /proc/self/mounts /etc/mtab" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Updating apt repositories on root pool...\"" >> /mnt/setup-chroot.sh
echo 'errors=`apt update 2>&1 1>/dev/null`' >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to update apt repositories on root pool - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Setting locale...\"" >> /mnt/setup-chroot.sh
echo 'errors=`locale-gen en_US.UTF-8 2>&1 1>/dev/null`' >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to set the locale to en_US.UTF-8 - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Setting time zone...\"" >> /mnt/setup-chroot.sh
echo " cp /usr/share/zoneinfo/ $timezone /etc/localtime " >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Installing linux image, ifupdown dnsutils nfs-kernel-server apparmor-profiles vim, libvirt-bin, bridge-utils, net-tools, bash, screen, tmux, zfs-initramfs, dosfstools, mailutils, ssmtp, openssh-server, ufw, docker.io, sharutils...\"" >> /mnt/setup-chroot.sh
echo "errors=\$(DEBCONF_FRONTEND='noninteractive' apt install -y --no-install-recommends linux-image-generic 2>&1 1>/dev/null && apt purge -y netplan 2>&1 1>/dev/null && apt autoremove -y 2>&1 1>/dev/null && DEBCONF_FRONTEND='noninteractive' apt install -y ifupdown efibootmgr htop iotop smartmontools dnsutils nfs-kernel-server apparmor-profiles vim libvirt-bin bridge-utils net-tools bash screen tmux zfs-initramfs dosfstools mailutils ssmtp openssh-server ufw docker.io sharutils 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to install preliminary software - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
# network configuration should have optional static configuration - not just DHCP, it's very important
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Enabling networking service...\"" >> /mnt/setup-chroot.sh
echo "error=\$(systemctl unmask networking 2>&1 1>/dev/null && systemctl enable networking 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to enable networking service - $errors"' >> /mnt/setup-chroot.sh
echo " exit 118" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
# configure docker storage to use zfs
mkdir -p /mnt/etc/docker
echo "{\"storage-driver\":\"zfs\"}" > /mnt/etc/docker/daemon.json
echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /mnt/etc/sysctl.conf
echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /mnt/etc/sysctl.conf
echo "net.ipv6.conf.lo.disable_ipv6 = 1" >> /mnt/etc/sysctl.conf
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Creating EFI partition..."' >> /mnt/setup-chroot.sh
firstdisk = ` echo " $boots " | head -n1`
echo " error=\$(mkdosfs -F 32 -s 1 -n EFI /dev/disk/by-id/ ${ firstdisk } -part1 2>&1 1>/dev/null && mkdir /boot/efi 2>&1 1>/dev/null) " >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to create dos file system for EFI partition - $errors"' >> /mnt/setup-chroot.sh
echo " exit 100" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo " echo PARTUUID= $( blkid -s PARTUUID -o value /dev/disk/by-id/${ firstdisk } -part1) /boot/efi vfat nofail,x-systemd.device-timeout=0 0 1 >> /etc/fstab " >> /mnt/setup-chroot.sh
echo "errors=\$(mount /boot/efi 2>&1 1>/dev/null && apt install -y grub-efi-amd64-signed shim-signed 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to mount EFI partition or install grub-EFI - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo 'echo "Done."' >> /mnt/setup-chroot.sh
echo "echo ''" >> /mnt/setup-chroot.sh
echo 'echo "Setting root password..."' >> /mnt/setup-chroot.sh
echo " errors=\$(echo 'root: ${ rootpassword } ' | chpasswd 2>&1 1>/dev/null) " >> /mnt/setup-chroot.sh
echo "if ! [ \"\$?\" = \"0\" ]; then echo \"Could not set root password - \$errors\"; exit 21; fi" >> /mnt/setup-chroot.sh
echo 'echo "Done."' >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Enabling boot pool import service..."' >> /mnt/setup-chroot.sh
echo "errors=\$(systemctl enable zfs-import-bpool.service 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to enable boot pool import service - $errors"' >> /mnt/setup-chroot.sh
echo " exit 102" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo 'echo "Done."' >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo "echo \"Checking ZFS root...\"" >> /mnt/setup-chroot.sh
echo 'zfscheck=$(grub-probe /boot 2>&1 1>/dev/null)' >> /mnt/setup-chroot.sh
echo "if ! [ \"\$?\" = \"0\" ]; then echo \"grub-probe check failed - \$zfscheck\"; exit 2; fi" >> /mnt/setup-chroot.sh
echo "echo \"Success.\"" >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Updating initramfs..."' >> /mnt/setup-chroot.sh
echo "echo \"vmd\" >> /etc/initramfs-tools/modules" >> /mnt/setup-chroot.sh
echo 'errors=$(update-initramfs -u -k all 2>&1 1>/dev/null)' >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to update initramfs - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
# you need sed to do this right!
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Modifying grub for ZFS root..."' >> /mnt/setup-chroot.sh
echo "errors=\$(sed -ir 's/quiet splash//g' /etc/default/grub 2>&1 1>/dev/null && sed -ir 's/GRUB_CMDLINE_LINUX=\".*\"/GRUB_CMDLINE_LINUX=\"root=ZFS=rpool\/ROOT\/ubuntu rootdelay=10 noresume\"/g' /etc/default/grub 2>&1 1>/dev/null && sed -ir 's/^#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo "if ! [ \"\$?\" = \"0\" ]; then echo \"Failed to set grub ZFS root - \$errors\"; exit 104; fi" >> /mnt/setup-chroot.sh
echo 'echo "Done."' >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Updating grub..."' >> /mnt/setup-chroot.sh
echo 'errors=$(update-grub 2>&1 1>/dev/null)' >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to update grub - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Installing grub UEFI on plex1..."' >> /mnt/setup-chroot.sh
echo "errors=\$(grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=ubuntu --recheck --no-floppy 2>&1 1>/dev/null && umount /boot/efi 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo "if ! [ \"\$?\" = \"0\" ]; then echo \"Failed to install grub UEFI on plex1 - \$errors\"; exit 104; fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
if ! [ " $boots " = "" ] ; then
if [ " $efi " = "1" ] ; then
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Cloning EFI boot partition to all boot devices..."' >> /mnt/setup-chroot.sh
i = "2"
for disk in ` echo " $boots " | tail -n+2` ; do
echo " errors=\$(dd if=/dev/disk/by-id/ ${ firstdisk } -part1 of=/dev/disk/by-id/ ${ disk } -part1 2>&1 1>/dev/null && efibootmgr -c -g -d /dev/disk/by-id/ ${ disk } -p 3 -L " ubuntu-$i " -l '\EFI\ubuntu\grubx64.efi' 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo "if ! [ \"\$?\" = \"0\" ]; then echo \"EFI copy failed - \$errors\"; exit 20; fi" >> /mnt/setup-chroot.sh
i = $(( i + 1 ))
done
echo 'echo "Done."' >> /mnt/setup-chroot.sh
fi
fi
# error check this as one big block
echo "zfs set mountpoint=legacy bpool/BOOT/ubuntu" >> /mnt/setup-chroot.sh
echo "echo \"bpool/BOOT/ubuntu /boot zfs nodev,relatime,x-systemd.requires=zfs-import-bpool.service 0 0\" >> /etc/fstab" >> /mnt/setup-chroot.sh
echo "zfs set mountpoint=legacy rpool/var/log" >> /mnt/setup-chroot.sh
echo "echo \"rpool/var/log /var/log zfs nodev,relatime 0 0\" >> /etc/fstab" >> /mnt/setup-chroot.sh
echo "zfs set mountpoint=legacy rpool/var/spool" >> /mnt/setup-chroot.sh
echo "echo \"rpool/var/spool /var/spool zfs nodev,relatime 0 0\" >> /etc/fstab" >> /mnt/setup-chroot.sh
echo "zfs set mountpoint=legacy rpool/var/tmp" >> /mnt/setup-chroot.sh
echo "echo \"rpool/var/tmp /var/tmp zfs nodev,relatime 0 0\" >> /etc/fstab" >> /mnt/setup-chroot.sh
echo "zfs set mountpoint=legacy rpool/tmp" >> /mnt/setup-chroot.sh
echo "echo \"rpool/tmp /tmp zfs nodev,relatime 0 0\" >> /etc/fstab" >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Enabling SSH..."' >> /mnt/setup-chroot.sh
echo "sed -ir 's/^ *#? *ChallengeResponseAuthentication.*/ChallengeResponseAuthentication no/g' /etc/ssh/sshd_config" >> /mnt/setup-chroot.sh
echo "sed -ir 's/^#PasswordAuthentication.*/PasswordAuthentication no/g' /etc/ssh/sshd_config" >> /mnt/setup-chroot.sh
echo "sed -ir 's/^UsePAM.*/UsePAM no/g' /etc/ssh/sshd_config" >> /mnt/setup-chroot.sh
echo "sed -ir 's/^#PermitRootLogin.*/PermitRootLogin no/g' /etc/ssh/sshd_config" >> /mnt/setup-chroot.sh
echo "errors=\$(systemctl enable ssh 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
#&& ufw allow in on any from any to any port 22 proto tcp 2>&1 1>/dev/null
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to enable SSH - $errors"' >> /mnt/setup-chroot.sh
echo " exit 101" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo 'echo "Done."' >> /mnt/setup-chroot.sh
echo 'echo ""' >> /mnt/setup-chroot.sh
echo 'echo "Creating admin user..."' >> /mnt/setup-chroot.sh
# error check this
echo " useradd $admin " >> /mnt/setup-chroot.sh
echo " cp -a /etc/skel/.[!.]* \"/home/ $admin \" " >> /mnt/setup-chroot.sh
echo " chown -R ${ admin } : ${ admin } \"/home/ $admin \" " >> /mnt/setup-chroot.sh
echo " usermod -a -G adm,cdrom,dip,plugdev,sudo -s /bin/bash \" $admin \" " >> /mnt/setup-chroot.sh
echo " echo ' ${ admin } : ${ rootpassword } ' | chpasswd " >> /mnt/setup-chroot.sh
echo 'echo "Done."' >> /mnt/setup-chroot.sh
echo " mkdir \"/home/ ${ admin } /.ssh\" " >> /mnt/setup-chroot.sh
echo " ssh-keygen -b 4096 -t rsa -q -f \"/home/ ${ admin } /.ssh/id_rsa\" -N ' $rootpassword ' " >> /mnt/setup-chroot.sh
echo " cat /home/ ${ admin } /.ssh/id_rsa.pub > \"/home/ ${ admin } /.ssh/authorized_keys\" " >> /mnt/setup-chroot.sh
#echo "chmod 600 \"/home/${admin}/.ssh/id_rsa\"" >> /mnt/setup-chroot.sh
echo " chown -R ${ admin } : ${ admin } \"/home/ ${ admin } \"/.ssh " >> /mnt/setup-chroot.sh
echo "HOME=\"/root\"" >> /mnt/setup-chroot.sh
echo " HOSTNAME=\" $hostname \" " >> /mnt/setup-chroot.sh
echo "echo \"FromLineOverride=YES\" > /etc/ssmtp/ssmtp.conf" >> /mnt/setup-chroot.sh
echo "echo \"root=admin\" >> /etc/ssmtp/ssmtp.conf" >> /mnt/setup-chroot.sh
echo " echo \"hostname= ${ fqdn } \" >> /etc/ssmtp/ssmtp.conf " >> /mnt/setup-chroot.sh
echo " echo \"AuthUser= ${ email } \" >> /etc/ssmtp/ssmtp.conf " >> /mnt/setup-chroot.sh
echo " echo \"AuthPass= ${ emailpassword } \" >> /etc/ssmtp/ssmtp.conf " >> /mnt/setup-chroot.sh
echo " echo \"mailhub= ${ smtp } \" >> /etc/ssmtp/ssmtp.conf " >> /mnt/setup-chroot.sh
echo "echo \"UseSTARTTLS=YES\" >> /etc/ssmtp/ssmtp.conf" >> /mnt/setup-chroot.sh
echo " echo \"root: ${ admins } \" >> /etc/ssmtp/revaliases " >> /mnt/setup-chroot.sh
echo " chfn -f ' ${ email } ' root " >> /mnt/setup-chroot.sh
echo " serverinfo=\`cat \"/home/ ${ admin } /.ssh/id_rsa\"\` " >> /mnt/setup-chroot.sh
echo " serverinfo=\"Server available at $connection \\n\\n\$serverinfo\"; echo -e \"\$serverinfo\" | mail -s \" $hostname SSH key\" -r \" ${ email } \" \"\`cat /admins\`\" " >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
errors = ` chmod +x /mnt/setup-chroot.sh 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Failed to set execution permission on chroot script - $errors "
exit 45
fi
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Enabling UFW and apparmor on boot...\"" >> /mnt/setup-chroot.sh
echo "errors=\$(systemctl enable ufw 2>&1 1>/dev/null && systemctl enable apparmor 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to enable UFW - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Enabling cron, smartd, and adding ZFS health script...\"" >> /mnt/setup-chroot.sh
echo "errors=\$(echo \"0 0 * * 1 /zfshealth.sh\" | crontab 1>&2 2>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to add zfshealth.sh to crontab - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "errors=\$(systemctl enable cron 2>&1 1>/dev/null && systemctl enable smartd 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to enable cron service - $errors"' >> /mnt/setup-chroot.sh
echo " exit 1" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Upgrading OS and installing standard command line system...\"" >> /mnt/setup-chroot.sh
echo "errors=\$(apt dist-upgrade --yes 2>&1 1>/dev/null && apt install --yes ubuntu-standard 2>&1 1>/dev/null)" >> /mnt/setup-chroot.sh
echo 'if ! [ \"$?\" = \"0\" ]; then ' >> /mnt/setup-chroot.sh
echo ' echo "Failed to upgrade OS or install command line basics - $errors"' >> /mnt/setup-chroot.sh
echo " exit 122" >> /mnt/setup-chroot.sh
echo "fi" >> /mnt/setup-chroot.sh
echo "echo \"Done.\"" >> /mnt/setup-chroot.sh
echo "echo \"\"" >> /mnt/setup-chroot.sh
echo "echo \"Sending SSH key via e-mail...\"" >> /mnt/setup-chroot.sh
if [ " $networktype " = "dhcp" ] ; then
connection = "`hostname -I` (`wget -qO - ifconfig.me`)"
else
connection = " $address "
fi
echo "exit 0" >> /mnt/setup-chroot.sh
chroot /mnt /setup-chroot.sh
if ! [ " $? " = "0" ] ; then
exit $?
fi
echo ""
echo "Creating swap space..."
errors = $( zfs create -V ${ swapspace } K -b $( getconf PAGESIZE) -o compression = zle -o logbias = throughput -o sync = always -o primarycache = metadata -o secondarycache = none -o com.sun:auto-snapshot= false rpool/swap 2>& 1 1>/dev/null && ( while ! [ -e "/dev/zvol/rpool/swap" ] ; do sleep 1; done ) && mkswap -f /dev/zvol/rpool/swap 2>& 1 1>/dev/null)
if ! [ " $? " = "0" ] ; then
echo " Failed to create swap space - $errors "
exit 132
fi
echo "/dev/zvol/rpool/swap none swap discard 0 0" >> /mnt/etc/fstab
echo "Done."
echo ""
echo "Writing network interfaces file..."
macaddr = $( echo $hostname | md5sum| sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/' )
mkdir -p /mnt/etc/network && mkdir -p /mnt/etc/network/interfaces.d
echo " auto lo $bridgedevice " > /mnt/etc/network/interfaces.d/$bridgedevice
echo "iface lo inet loopback" >> /mnt/etc/network/interfaces.d/$bridgedevice
niclist = ""
for nic in ` echo " $nics " ` ; do
echo " iface ${ nic } inet manual " >> /mnt/etc/network/interfaces.d/$bridgedevice
niclist = " $niclist $nic "
done
if [ " $networktype " = "dhcp" ] ; then
echo " iface $bridgedevice inet dhcp " >> /mnt/etc/network/interfaces.d/$bridgedevice
else
echo " iface $bridgedevice inet static " >> /mnt/etc/network/interfaces.d/$bridgedevice
echo " address $address " >> /mnt/etc/network/interfaces.d/$bridgedevice
echo " netmask $subnet " >> /mnt/etc/network/interfaces.d/$bridgedevice
echo " gateway $gateway " >> /mnt/etc/network/interfaces.d/$bridgedevice
sed -ir " s/^#DNS=.*/DNS= ${ dns1 } /g " /mnt/etc/systemd/resolved.conf
if ! [ -z " $dns2 " ] ; then sed -ir " s/^#FallbackDNS=.*/FallbackDNS= ${ dns2 } /g " /mnt/etc/systemd/resolved.conf ; fi
fi
#echo " bridge_hw $macaddr" >> /mnt/etc/network/interfaces.d/br0
echo " dns-nameservers 127.0.0.53" >> /mnt/etc/network/interfaces.d/$bridgedevice
if [ " $bridgedevice " = "br0" ] ; then
echo " bridge_waitport 0" >> /mnt/etc/network/interfaces.d/$bridgedevice
echo " bridge_fd 0" >> /mnt/etc/network/interfaces.d/$bridgedevice
echo " bridge_ports ${ niclist } " >> /mnt/etc/network/interfaces.d/$bridgedevice
echo " bridge_stp on" >> /mnt/etc/network/interfaces.d/$bridgedevice
fi
echo "source-directory /etc/network/interfaces.d" > /mnt/etc/network/interfaces
echo "Done."
# add the firewall rule for SSH, but there may already be an exception for this, test the network in the live environment
echo ""
echo "Opening SSH port on firewall..."
sed -ir 's/### RULES ###/### RULES ###\n-A ufw-user-input -p tcp --dport 22 -j ACCEPT/g' /mnt/etc/ufw/user.rules 2>& 1 1>/dev/null
echo "Done."
# commented out for debugging
echo ""
echo "Clearing chroot configuration script..."
rm /mnt/setup-chroot.sh
echo "Done."
echo "#! /bin/bash" > /mnt/zfshealth.sh
echo "problems=0; emailSubject=\"\`hostname\` - ZFS pool - HEALTH check\"; emailMessage=\"\"" >> /mnt/zfshealth.sh
echo "condition=\$(/sbin/zpool status | grep -e \"^ *state:\" | egrep -i '(DEGRADED|FAULTED|OFFLINE|UNAVAIL|REMOVED|FAIL|DESTROYED|corrupt|cannot|unrecover)')" >> /mnt/zfshealth.sh
echo "if [ \"\${condition}\" ]; then emailSubject=\"\$emailSubject - fault\"; problems=1; fi" >> /mnt/zfshealth.sh
echo "maxCapacity=80" >> /mnt/zfshealth.sh
echo "if [ \${problems} -eq 0 ]; then" >> /mnt/zfshealth.sh
echo " capacity=\$(/sbin/zpool list -H -o capacity)" >> /mnt/zfshealth.sh
echo " for line in \${capacity//%/}" >> /mnt/zfshealth.sh
echo " do" >> /mnt/zfshealth.sh
echo " if [ \$line -ge \$maxCapacity ]; then emailSubject=\"\$emailSubject - Capacity Exceeded\"; problems=1; fi" >> /mnt/zfshealth.sh
echo " done" >> /mnt/zfshealth.sh
echo "fi" >> /mnt/zfshealth.sh
echo "if [ \${problems} -eq 0 ]; then" >> /mnt/zfshealth.sh
echo " errors=\$(/sbin/zpool status | grep ONLINE | grep -v state | awk '{print \$3 \$4 \$5}' | grep -v 000)" >> /mnt/zfshealth.sh
echo " if [ \"\${errors}\" ]; then emailSubject=\"\$emailSubject - Drive Errors\"; problems=1; fi" >> /mnt/zfshealth.sh
echo "fi" >> /mnt/zfshealth.sh
echo "scrubExpire=691200" >> /mnt/zfshealth.sh
echo "if [ \${problems} -eq 0 ]; then" >> /mnt/zfshealth.sh
echo " currentDate=\$(date +%s)" >> /mnt/zfshealth.sh
echo " zfsVolumes=\$(/sbin/zpool list -H -o name)" >> /mnt/zfshealth.sh
echo " for volume in \${zfsVolumes}" >> /mnt/zfshealth.sh
echo " do" >> /mnt/zfshealth.sh
echo " if [ \$(/sbin/zpool status \$volume | egrep -c \"none requested\") -ge 1 ]; then echo \"ERROR: You need to run \\\"zpool scrub \$volume\\\" before this script can monitor the scrub expiration time.\"; break; fi" >> /mnt/zfshealth.sh
echo " if [ \$(/sbin/zpool status \$volume | egrep -c \"scrub in progress|resilver\") -ge 1 ]; then break; fi" >> /mnt/zfshealth.sh
echo " scrubRawDate=\$(/sbin/zpool status \$volume | grep scrub | awk '{print \$15 \$12 \$13}' | sed 's/\([0-9]\+\)\([A-Za-z]*\)\([0-9]\+\)/\\2 \\3, \\1/g')" >> /mnt/zfshealth.sh
echo " scrubDate=\$(date -d \"\$scrubRawDate\" +%s)" >> /mnt/zfshealth.sh
echo " if [ \$((\$currentDate - \$scrubDate)) -ge \$scrubExpire ]; then" >> /mnt/zfshealth.sh
echo " if [ \${problems} -eq 0 ]; then emailSubject=\"\$emailSubject - Scrub Time Expired. Scrub Needed on Volume(s)\"; fi" >> /mnt/zfshealth.sh
echo " problems=1" >> /mnt/zfshealth.sh
echo " emailMessage=\"\${emailMessage}Pool: \$volume needs scrub \n\"" >> /mnt/zfshealth.sh
echo " fi" >> /mnt/zfshealth.sh
echo " done" >> /mnt/zfshealth.sh
echo "fi" >> /mnt/zfshealth.sh
echo " echo -e \"\$emailMessage \n\n\n \`/sbin/zpool list\` \n\n\n \`/sbin/zpool status\`\" | mail -r \" ${ email } \" -s \"\$emailSubject\" \"\`cat /admins\`\" " >> /mnt/zfshealth.sh
echo "if [ \"\$problems\" -ne 0 ]; then logger \$emailSubject; fi" >> /mnt/zfshealth.sh
chmod +x /mnt/zfshealth.sh
echo ""
echo "Unmounting chroot mounts..."
mount | grep -v zfs | tac | awk '/\/mnt/ {print $3}' | xargs -i{ } umount -lf { }
echo "Done."
echo ""
echo "Exporting zpools..."
errors = ` zpool export -a 2>& 1 1>/dev/null`
if ! [ " $? " = "0" ] ; then
echo " Couldn't export mounted zpools - $errors "
exit 8
fi
echo "Done."
echo ""
echo "Congratulations! The install was successful. Please reboot and set your boot device using UEFI in the BIOS. You should receive an e-mail with the server's SSH private key shortly."
echo ""
exit 0
