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zfsboot
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zfsboot
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#!/bin/sh
#-
# Copyright (c) 2013-2016 Allan Jude
# Copyright (c) 2013-2018 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES
BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." "$0"
f_include $BSDCFG_SHARE/device.subr
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/password/password.subr
f_include $BSDCFG_SHARE/variable.subr
############################################################ CONFIGURATION
#
# Default name of the boot-pool
#
: ${ZFSBOOT_POOL_NAME:=zroot}
#
# Default options to use when creating zroot pool
#
: ${ZFSBOOT_POOL_CREATE_OPTIONS:=-O compress=lz4 -O atime=off}
#
# Default name for the boot environment parent dataset
#
: ${ZFSBOOT_BEROOT_NAME:=ROOT}
#
# Default name for the primary boot environment
#
: ${ZFSBOOT_BOOTFS_NAME:=default}
#
# Default Virtual Device (vdev) type to create
#
: ${ZFSBOOT_VDEV_TYPE:=stripe}
#
# Should we use sysctl(8) vfs.zfs.min_auto_ashift=12 to force 4K sectors?
#
: ${ZFSBOOT_FORCE_4K_SECTORS:=1}
#
# Should we use geli(8) to encrypt the drives?
# NB: Automatically enables ZFSBOOT_BOOT_POOL
#
: ${ZFSBOOT_GELI_ENCRYPTION=}
#
# Default path to the geli(8) keyfile used in drive encryption
#
: ${ZFSBOOT_GELI_KEY_FILE:=/boot/encryption.key}
#
# Create a separate boot pool?
# NB: Automatically set when using geli(8) or MBR
#
: ${ZFSBOOT_BOOT_POOL=}
#
# Options to use when creating separate boot pool (if any)
#
: ${ZFSBOOT_BOOT_POOL_CREATE_OPTIONS:=}
#
# Default name for boot pool when enabled (e.g., geli(8) or MBR)
#
: ${ZFSBOOT_BOOT_POOL_NAME:=bootpool}
#
# Default size for boot pool when enabled (e.g., geli(8) or MBR)
#
: ${ZFSBOOT_BOOT_POOL_SIZE:=2g}
#
# Default disks to use (always empty unless being scripted)
#
: ${ZFSBOOT_DISKS:=}
#
# Default partitioning scheme to use on disks
#
: ${ZFSBOOT_PARTITION_SCHEME:=}
#
# Default boot type to use on disks
#
: ${ZFSBOOT_BOOT_TYPE:=}
#
# How much swap to put on each block device in the boot zpool
# NOTE: Value passed to gpart(8); which supports SI unit suffixes.
#
: ${ZFSBOOT_SWAP_SIZE:=2g}
#
# Should we use geli(8) to encrypt the swap?
#
: ${ZFSBOOT_SWAP_ENCRYPTION=}
#
# Should we use gmirror(8) to mirror the swap?
#
: ${ZFSBOOT_SWAP_MIRROR=}
#
# Default ZFS datasets for root zpool
#
# NOTE: Requires /tmp, /var/tmp, /$ZFSBOOT_BOOTFS_NAME/$ZFSBOOT_BOOTFS_NAME
# NOTE: Anything after pound/hash character [#] is ignored as a comment.
#
f_isset ZFSBOOT_DATASETS || ZFSBOOT_DATASETS="
# DATASET OPTIONS (comma or space separated; or both)
# Boot Environment [BE] root and default boot dataset
/$ZFSBOOT_BEROOT_NAME mountpoint=none
/$ZFSBOOT_BEROOT_NAME/$ZFSBOOT_BOOTFS_NAME mountpoint=/
# Compress /tmp, allow exec but not setuid
/tmp mountpoint=/tmp,exec=on,setuid=off
# Don't mount /usr so that 'base' files go to the BEROOT
/usr mountpoint=/usr,canmount=off
# Home directories separated so they are common to all BEs
/usr/home # NB: /home is a symlink to /usr/home
# Ports tree
/usr/ports setuid=off
# Source tree (compressed)
/usr/src
# Create /var and friends
/var mountpoint=/var,canmount=off
/var/audit exec=off,setuid=off
/var/crash exec=off,setuid=off
/var/log exec=off,setuid=off
/var/mail atime=on
/var/tmp setuid=off
" # END-QUOTE
#
# If interactive and the user has not explicitly chosen a vdev type or disks,
# make the user confirm scripted/default choices when proceeding to install.
#
: ${ZFSBOOT_CONFIRM_LAYOUT:=1}
############################################################ GLOBALS
#
# Format of a line in printf(1) syntax to add to fstab(5)
#
FSTAB_FMT="%s\t\t%s\t%s\t%s\t\t%s\t%s\n"
#
# Command strings for various tasks
#
COPY='cp "%s" "%s"'
CHMOD_MODE='chmod %s "%s"'
DD_WITH_OPTIONS='dd if="%s" of="%s" %s'
ECHO_APPEND='echo "%s" >> "%s"'
ECHO_OVERWRITE='echo "%s" > "%s"'
GELI_ATTACH='geli attach -j - -k "%s" "%s"'
GELI_ATTACH_NOKEY='geli attach -j - "%s"'
GELI_DETACH_F='geli detach -f "%s"'
GELI_PASSWORD_INIT='geli init -b -B "%s" -e %s -J - -K "%s" -l 256 -s 4096 "%s"'
GELI_PASSWORD_GELIBOOT_INIT='geli init -bg -e %s -J - -l 256 -s 4096 "%s"'
GPART_ADD_ALIGN='gpart add %s -t %s "%s"'
GPART_ADD_ALIGN_INDEX='gpart add %s -i %s -t %s "%s"'
GPART_ADD_ALIGN_INDEX_WITH_SIZE='gpart add %s -i %s -t %s -s %s "%s"'
GPART_ADD_ALIGN_LABEL='gpart add %s -l %s -t %s "%s"'
GPART_ADD_ALIGN_LABEL_WITH_SIZE='gpart add %s -l %s -t %s -s %s "%s"'
GPART_BOOTCODE='gpart bootcode -b "%s" "%s"'
GPART_BOOTCODE_PART='gpart bootcode -b "%s" -p "%s" -i %s "%s"'
GPART_BOOTCODE_PARTONLY='gpart bootcode -p "%s" -i %s "%s"'
GPART_CREATE='gpart create -s %s "%s"'
GPART_DESTROY_F='gpart destroy -F "%s"'
GPART_SET_ACTIVE='gpart set -a active -i %s "%s"'
GPART_SET_LENOVOFIX='gpart set -a lenovofix "%s"'
GPART_SET_PMBR_ACTIVE='gpart set -a active "%s"'
GRAID_DELETE='graid delete "%s"'
KLDLOAD='kldload %s'
LN_SF='ln -sf "%s" "%s"'
MKDIR_P='mkdir -p "%s"'
MOUNT_TYPE='mount -t %s "%s" "%s"'
PRINTF_CONF="printf '%s=\"%%s\"\\\n' %s >> \"%s\""
PRINTF_FSTAB='printf "$FSTAB_FMT" "%s" "%s" "%s" "%s" "%s" "%s" >> "%s"'
SHELL_TRUNCATE=':> "%s"'
SWAP_GMIRROR_LABEL='gmirror label swap %s'
SYSCTL_ZFS_MIN_ASHIFT_12='sysctl vfs.zfs.min_auto_ashift=12'
UMOUNT='umount "%s"'
ZFS_CREATE_WITH_OPTIONS='zfs create %s "%s"'
ZFS_MOUNT='zfs mount "%s"'
ZFS_SET='zfs set "%s" "%s"'
ZFS_UNMOUNT='zfs unmount "%s"'
ZPOOL_CREATE_WITH_OPTIONS='zpool create %s "%s" %s %s'
ZPOOL_DESTROY='zpool destroy "%s"'
ZPOOL_EXPORT='zpool export "%s"'
ZPOOL_EXPORT_F='zpool export -f "%s"'
ZPOOL_IMPORT_WITH_OPTIONS='zpool import %s "%s"'
ZPOOL_LABELCLEAR_F='zpool labelclear -f "%s"'
ZPOOL_SET='zpool set %s "%s"'
#
# Strings that should be moved to an i18n file and loaded with f_include_lang()
#
hline_alnum_arrows_punc_tab_enter="Use alnum, arrows, punctuation, TAB or ENTER"
hline_arrows_space_tab_enter="Use arrows, SPACE, TAB or ENTER"
hline_arrows_tab_enter="Press arrows, TAB or ENTER"
msg_an_unknown_error_occurred="An unknown error occurred"
msg_back="Back"
msg_cancel="Cancel"
msg_change_selection="Change Selection"
msg_configure_options="Configure Options:"
msg_detailed_disk_info="gpart(8) show %s:\n%s\n\ncamcontrol(8) inquiry %s:\n%s\n\n\ncamcontrol(8) identify %s:\n%s\n"
msg_disk_info="Disk Info"
msg_disk_info_help="Get detailed information on disk device(s)"
msg_disk_plural="disks"
msg_disk_singular="disk"
msg_encrypt_disks="Encrypt Disks?"
msg_encrypt_disks_help="Use geli(8) to encrypt all data partitions"
msg_error="Error"
msg_force_4k_sectors="Force 4K Sectors?"
msg_force_4k_sectors_help="Align partitions to 4K sector boundries and set vfs.zfs.min_auto_ashift=12"
msg_freebsd_installer="FreeBSD Installer"
msg_geli_password="Enter a strong passphrase, used to protect your encryption keys. You will be required to enter this passphrase each time the system is booted"
msg_geli_setup="Initializing encryption on selected disks,\n this will take several seconds per disk"
msg_install="Install"
msg_install_desc="Proceed with Installation"
msg_install_help="Create ZFS boot pool with displayed options"
msg_invalid_boot_pool_size="Invalid boot pool size \`%s'"
msg_invalid_disk_argument="Invalid disk argument \`%s'"
msg_invalid_index_argument="Invalid index argument \`%s'"
msg_invalid_swap_size="Invalid swap size \`%s'"
msg_invalid_virtual_device_type="Invalid Virtual Device type \`%s'"
msg_last_chance_are_you_sure="Last Chance! Are you sure you want to destroy\nthe current contents of the following disks:\n\n %s"
msg_last_chance_are_you_sure_color='\\ZrLast Chance!\\ZR Are you \\Z1sure\\Zn you want to \\Zr\\Z1destroy\\Zn\nthe current contents of the following disks:\n\n %s'
msg_mirror_desc="Mirror - n-Way Mirroring"
msg_mirror_help="[2+ Disks] Mirroring provides the best performance, but the least storage"
msg_missing_disk_arguments="missing disk arguments"
msg_missing_one_or_more_scripted_disks="Missing one or more scripted disks!"
msg_no="NO"
msg_no_disks_present_to_configure="No disk(s) present to configure"
msg_no_disks_selected="No disks selected."
msg_not_enough_disks_selected="Not enough disks selected. (%u < %u minimum)"
msg_null_disk_argument="NULL disk argument"
msg_null_index_argument="NULL index argument"
msg_null_poolname="NULL poolname"
msg_odd_disk_selected="An even number of disks must be selected to create a RAID 1+0. (%u selected)"
msg_ok="OK"
msg_partition_scheme="Partition Scheme"
msg_partition_scheme_help="Select partitioning scheme. GPT is recommended."
msg_please_enter_a_name_for_your_zpool="Please enter a name for your zpool:"
msg_please_enter_amount_of_swap_space="Please enter amount of swap space (SI-Unit suffixes\nrecommended; e.g., \`2g' for 2 Gigabytes):"
msg_please_select_one_or_more_disks="Please select one or more disks to create a zpool:"
msg_pool_name="Pool Name"
msg_pool_name_cannot_be_empty="Pool name cannot be empty."
msg_pool_name_help="Customize the name of the zpool to be created (Required)"
msg_pool_type_disks="Pool Type/Disks:"
msg_pool_type_disks_help="Choose type of ZFS Virtual Device and disks to use (Required)"
msg_processing_selection="Processing selection..."
msg_raid10_desc="RAID 1+0 - n x 2-Way Mirrors"
msg_raid10_help="[4+ Disks] Striped Mirrors provides the best performance, but the least storage"
msg_raidz1_desc="RAID-Z1 - Single Redundant RAID"
msg_raidz1_help="[3+ Disks] Withstand failure of 1 disk. Recommended for: 3, 5 or 9 disks"
msg_raidz2_desc="RAID-Z2 - Double Redundant RAID"
msg_raidz2_help="[4+ Disks] Withstand failure of 2 disks. Recommended for: 4, 6 or 10 disks"
msg_raidz3_desc="RAID-Z3 - Triple Redundant RAID"
msg_raidz3_help="[5+ Disks] Withstand failure of 3 disks. Recommended for: 5, 7 or 11 disks"
msg_rescan_devices="Rescan Devices"
msg_rescan_devices_help="Scan for device changes"
msg_select="Select"
msg_select_a_disk_device="Select a disk device"
msg_select_virtual_device_type="Select Virtual Device type:"
msg_stripe_desc="Stripe - No Redundancy"
msg_stripe_help="[1+ Disks] Striping provides maximum storage but no redundancy"
msg_swap_encrypt="Encrypt Swap?"
msg_swap_encrypt_help="Encrypt swap partitions with temporary keys, discarded on reboot"
msg_swap_invalid="The selected swap size (%s) is invalid. Enter a number optionally followed by units. Example: 2G"
msg_swap_mirror="Mirror Swap?"
msg_swap_mirror_help="Mirror swap partitions for redundancy, breaks crash dumps"
msg_swap_size="Swap Size"
msg_swap_size_help="Customize how much swap space is allocated to each selected disk"
msg_swap_toosmall="The selected swap size (%s) is to small. Please enter a value greater than 100MB or enter 0 for no swap"
msg_these_disks_are_too_small="These disks are smaller than the amount of requested\nswap (%s) and/or geli(8) (%s) partitions, which would\ntake 100%% or more of each of the following selected disks:\n\n %s\n\nRecommend changing partition size(s) and/or selecting a\ndifferent set of disks."
msg_unable_to_get_disk_capacity="Unable to get disk capacity of \`%s'"
msg_unsupported_partition_scheme="%s is an unsupported partition scheme"
msg_user_cancelled="User Cancelled."
msg_yes="YES"
msg_zfs_configuration="ZFS Configuration"
############################################################ FUNCTIONS
# dialog_menu_main
#
# Display the dialog(1)-based application main menu.
#
dialog_menu_main()
{
local title="$DIALOG_TITLE"
local btitle="$DIALOG_BACKTITLE"
local prompt="$msg_configure_options"
local force4k="$msg_no"
local usegeli="$msg_no"
local swapgeli="$msg_no"
local swapmirror="$msg_no"
[ "$ZFSBOOT_FORCE_4K_SECTORS" ] && force4k="$msg_yes"
[ "$ZFSBOOT_GELI_ENCRYPTION" ] && usegeli="$msg_yes"
[ "$ZFSBOOT_SWAP_ENCRYPTION" ] && swapgeli="$msg_yes"
[ "$ZFSBOOT_SWAP_MIRROR" ] && swapmirror="$msg_yes"
local disks n disks_grammar
f_count n $ZFSBOOT_DISKS
{ [ $n -eq 1 ] && disks_grammar=$msg_disk_singular; } ||
disks_grammar=$msg_disk_plural # grammar
local menu_list="
'>>> $msg_install' '$msg_install_desc'
'$msg_install_help'
'T $msg_pool_type_disks'
'$ZFSBOOT_VDEV_TYPE: $n $disks_grammar'
'$msg_pool_type_disks_help'
'- $msg_rescan_devices' '*'
'$msg_rescan_devices_help'
'- $msg_disk_info' '*'
'$msg_disk_info_help'
'N $msg_pool_name' '$ZFSBOOT_POOL_NAME'
'$msg_pool_name_help'
'4 $msg_force_4k_sectors'
'$force4k'
'$msg_force_4k_sectors_help'
'E $msg_encrypt_disks' '$usegeli'
'$msg_encrypt_disks_help'
'P $msg_partition_scheme'
'$ZFSBOOT_PARTITION_SCHEME ($ZFSBOOT_BOOT_TYPE)'
'$msg_partition_scheme_help'
'S $msg_swap_size' '$ZFSBOOT_SWAP_SIZE'
'$msg_swap_size_help'
'M $msg_swap_mirror' '$swapmirror'
'$msg_swap_mirror_help'
'W $msg_swap_encrypt' '$swapgeli'
'$msg_swap_encrypt_help'
" # END-QUOTE
local defaultitem= # Calculated below
local hline="$hline_alnum_arrows_punc_tab_enter"
local height width rows
eval f_dialog_menu_with_help_size height width rows \
\"\$title\" \"\$btitle\" \"\$prompt\" \"\$hline\" $menu_list
# Obtain default-item from previously stored selection
f_dialog_default_fetch defaultitem
local menu_choice
menu_choice=$( eval $DIALOG \
--title \"\$title\" \
--backtitle \"\$btitle\" \
--hline \"\$hline\" \
--item-help \
--ok-label \"\$msg_select\" \
--cancel-label \"\$msg_cancel\" \
--default-item \"\$defaultitem\" \
--menu \"\$prompt\" \
$height $width $rows \
$menu_list \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
)
local retval=$?
f_dialog_data_sanitize menu_choice
f_dialog_menutag_store "$menu_choice"
# Only update default-item on success
[ $retval -eq $DIALOG_OK ] && f_dialog_default_store "$menu_choice"
return $retval
}
# dialog_last_chance $disks ...
#
# Display a list of the disks that the user is about to destroy. The default
# action is to return error status unless the user explicitly (non-default)
# selects "Yes" from the noyes dialog.
#
dialog_last_chance()
{
local title="$DIALOG_TITLE"
local btitle="$DIALOG_BACKTITLE"
local prompt # Calculated below
local hline="$hline_arrows_tab_enter"
local height=8 width=50 prefix=" "
local plen=${#prefix} list= line=
local max_width=$(( $width - 3 - $plen ))
local yes no defaultno extra_args format
if [ "$USE_XDIALOG" ]; then
yes=ok no=cancel defaultno=default-no
extra_args="--wrap --left"
format="$msg_last_chance_are_you_sure"
else
yes=yes no=no defaultno=defaultno
extra_args="--colors --cr-wrap"
format="$msg_last_chance_are_you_sure_color"
fi
local disk line_width
for disk in $*; do
if [ "$line" ]; then
line_width=${#line}
else
line_width=$plen
fi
line_width=$(( $line_width + 1 + ${#disk} ))
# Add newline before disk if it would exceed max_width
if [ $line_width -gt $max_width ]; then
list="$list$line\n"
line="$prefix"
height=$(( $height + 1 ))
fi
# Add the disk to the list
line="$line $disk"
done
# Append the left-overs
if [ "${line#$prefix}" ]; then
list="$list$line"
height=$(( $height + 1 ))
fi
# Add height for Xdialog(1)
[ "$USE_XDIALOG" ] && height=$(( $height + $height / 5 + 3 ))
prompt=$( printf "$format" "$list" )
f_dprintf "%s: Last Chance!" "$0"
$DIALOG \
--title "$title" \
--backtitle "$btitle" \
--hline "$hline" \
--$defaultno \
--$yes-label "$msg_yes" \
--$no-label "$msg_no" \
$extra_args \
--yesno "$prompt" $height $width
}
# dialog_menu_layout
#
# Configure Virtual Device type and disks to use for the ZFS boot pool. User
# must select enough disks to satisfy the chosen vdev type.
#
dialog_menu_layout()
{
local funcname=dialog_menu_layout
local title="$DIALOG_TITLE"
local btitle="$DIALOG_BACKTITLE"
local vdev_prompt="$msg_select_virtual_device_type"
local disk_prompt="$msg_please_select_one_or_more_disks"
local vdev_menu_list="
'stripe' '$msg_stripe_desc' '$msg_stripe_help'
'mirror' '$msg_mirror_desc' '$msg_mirror_help'
'raid10' '$msg_raid10_desc' '$msg_raid10_help'
'raidz1' '$msg_raidz1_desc' '$msg_raidz1_help'
'raidz2' '$msg_raidz2_desc' '$msg_raidz2_help'
'raidz3' '$msg_raidz3_desc' '$msg_raidz3_help'
" # END-QUOTE
local disk_check_list= # Calculated below
local vdev_hline="$hline_arrows_tab_enter"
local disk_hline="$hline_arrows_space_tab_enter"
# Warn the user if vdev type is not valid
case "$ZFSBOOT_VDEV_TYPE" in
stripe|mirror|raid10|raidz1|raidz2|raidz3) : known good ;;
*)
f_dprintf "%s: Invalid virtual device type \`%s'" \
$funcname "$ZFSBOOT_VDEV_TYPE"
f_show_err "$msg_invalid_virtual_device_type" \
"$ZFSBOOT_VDEV_TYPE"
f_interactive || return $FAILURE
esac
# Calculate size of vdev menu once only
local vheight vwidth vrows
eval f_dialog_menu_with_help_size vheight vwidth vrows \
\"\$title\" \"\$btitle\" \"\$vdev_prompt\" \"\$vdev_hline\" \
$vdev_menu_list
# Get a list of probed disk devices
local disks=
debug= f_device_find "" $DEVICE_TYPE_DISK disks
# Prune out mounted md(4) devices that may be part of the boot process
local disk name new_list=
for disk in $disks; do
debug= $disk get name name
case "$name" in
md[0-9]*) f_mounted -b "/dev/$name" && continue ;;
esac
new_list="$new_list $disk"
done
disks="${new_list# }"
# Debugging
if [ "$debug" ]; then
local disk_names=
for disk in $disks; do
debug= $disk get name name
disk_names="$disk_names $name"
done
f_dprintf "$funcname: disks=[%s]" "${disk_names# }"
fi
if [ ! "$disks" ]; then
f_dprintf "No disk(s) present to configure"
f_show_err "$msg_no_disks_present_to_configure"
return $FAILURE
fi
# Lets sort the disks array to be more user friendly
f_device_sort_by name disks disks
#
# Operate in a loop so we can (if interactive) repeat if not enough
# disks are selected to satisfy the chosen vdev type or user wants to
# back-up to the previous menu.
#
local vardisk ndisks onoff selections vdev_choice breakout device
local valid_disks all_valid want_disks desc height width rows
while :; do
#
# Confirm the vdev type that was selected
#
if f_interactive && [ "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
vdev_choice=$( eval $DIALOG \
--title \"\$title\" \
--backtitle \"\$btitle\" \
--hline \"\$vdev_hline\" \
--ok-label \"\$msg_ok\" \
--cancel-label \"\$msg_cancel\" \
--item-help \
--default-item \"\$ZFSBOOT_VDEV_TYPE\" \
--menu \"\$vdev_prompt\" \
$vheight $vwidth $vrows \
$vdev_menu_list \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
) || return $?
# Exit if user pressed ESC or chose Cancel/No
f_dialog_data_sanitize vdev_choice
ZFSBOOT_VDEV_TYPE="$vdev_choice"
f_dprintf "$funcname: ZFSBOOT_VDEV_TYPE=[%s]" \
"$ZFSBOOT_VDEV_TYPE"
fi
# Determine the number of disks needed for this vdev type
want_disks=0
case "$ZFSBOOT_VDEV_TYPE" in
stripe) want_disks=1 ;;
mirror) want_disks=2 ;;
raid10) want_disks=4 ;;
raidz1) want_disks=3 ;;
raidz2) want_disks=4 ;;
raidz3) want_disks=5 ;;
esac
#
# Warn the user if any scripted disks are invalid
#
valid_disks= all_valid=${ZFSBOOT_DISKS:+1} # optimism
for disk in $ZFSBOOT_DISKS; do
if debug= f_device_find -1 \
$disk $DEVICE_TYPE_DISK device
then
valid_disks="$valid_disks $disk"
continue
fi
f_dprintf "$funcname: \`%s' is not a real disk" "$disk"
all_valid=
done
if [ ! "$all_valid" ]; then
if [ "$ZFSBOOT_DISKS" ]; then
f_show_err \
"$msg_missing_one_or_more_scripted_disks"
else
f_dprintf "No disks selected."
f_interactive ||
f_show_err "$msg_no_disks_selected"
fi
f_interactive || return $FAILURE
fi
ZFSBOOT_DISKS="${valid_disks# }"
#
# Short-circuit if we're running non-interactively
#
if ! f_interactive || [ ! "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
f_count ndisks $ZFSBOOT_DISKS
[ $ndisks -ge $want_disks ] && break # to success
# Not enough disks selected
f_dprintf "$funcname: %s: %s (%u < %u minimum)" \
"$ZFSBOOT_VDEV_TYPE" \
"Not enough disks selected." \
$ndisks $want_disks
f_interactive || return $FAILURE
msg_yes="$msg_change_selection" msg_no="$msg_cancel" \
f_yesno "%s: $msg_not_enough_disks_selected" \
"$ZFSBOOT_VDEV_TYPE" $ndisks $want_disks ||
return $FAILURE
fi
#
# Confirm the disks that were selected
# Loop until the user cancels or selects enough disks
#
breakout=
while :; do
# Loop over list of available disks, resetting state
for disk in $disks; do
f_isset _${disk}_status && _${disk}_status=
done
# Loop over list of selected disks and create temporary
# locals to map statuses onto up-to-date list of disks
for disk in $ZFSBOOT_DISKS; do
debug= f_device_find -1 \
$disk $DEVICE_TYPE_DISK disk
f_isset _${disk}_status ||
local _${disk}_status
_${disk}_status=on
done
# Create the checklist menu of discovered disk devices
disk_check_list=
for disk in $disks; do
desc=
$disk get name name
$disk get desc desc
f_shell_escape "$desc" desc
f_getvar _${disk}_status:-off onoff
disk_check_list="$disk_check_list
$name '$desc' $onoff"
done
eval f_dialog_checklist_size height width rows \
\"\$title\" \"\$btitle\" \"\$prompt\" \
\"\$hline\" $disk_check_list
selections=$( eval $DIALOG \
--title \"\$DIALOG_TITLE\" \
--backtitle \"\$DIALOG_BACKTITLE\" \
--separate-output \
--hline \"\$hline\" \
--ok-label \"\$msg_ok\" \
--cancel-label \"\$msg_back\" \
--checklist \"\$prompt\" \
$height $width $rows \
$disk_check_list \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
) || break
# Loop if user pressed ESC or chose Cancel/No
f_dialog_data_sanitize selections
ZFSBOOT_DISKS="$selections"
f_dprintf "$funcname: ZFSBOOT_DISKS=[%s]" \
"$ZFSBOOT_DISKS"
f_count ndisks $ZFSBOOT_DISKS
if [ "$ZFSBOOT_VDEV_TYPE" == "raid10" ] &&
[ $(( $ndisks % 2 )) -ne 0 ]; then
f_dprintf "$funcname: %s: %s (%u %% 2 = %u)" \
"$ZFSBOOT_VDEV_TYPE" \
"Number of disks not even:" \
$ndisks $(( $ndisks % 2 ))
msg_yes="$msg_change_selection" \
msg_no="$msg_cancel" \
f_yesno "%s: $msg_odd_disk_selected" \
"$ZFSBOOT_VDEV_TYPE" $ndisks ||
break
continue
fi
[ $ndisks -ge $want_disks ] &&
breakout=break && break
# Not enough disks selected
f_dprintf "$funcname: %s: %s (%u < %u minimum)" \
"$ZFSBOOT_VDEV_TYPE" \
"Not enough disks selected." \
$ndisks $want_disks
msg_yes="$msg_change_selection" msg_no="$msg_cancel" \
f_yesno "%s: $msg_not_enough_disks_selected" \
"$ZFSBOOT_VDEV_TYPE" $ndisks $want_disks ||
break
done
[ "$breakout" = "break" ] && break
[ "$ZFSBOOT_CONFIRM_LAYOUT" ] || return $FAILURE
done
return $DIALOG_OK
}
# zfs_create_diskpart $disk $index
#
# For each block device to be used in the zpool, rather than just create the
# zpool with the raw block devices (e.g., da0, da1, etc.) we create partitions
# so we can have some real swap. This also provides wiggle room incase your
# replacement drivers do not have the exact same sector counts.
#
# NOTE: $swapsize and $bootsize should be defined by the calling function.
# NOTE: Sets $bootpart and $targetpart for the calling function.
#
zfs_create_diskpart()
{
local funcname=zfs_create_diskpart
local disk="$1" index="$2"
# Check arguments
if [ ! "$disk" ]; then
f_dprintf "$funcname: NULL disk argument"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_null_disk_argument"
return $FAILURE
fi
if [ "${disk#*[$IFS]}" != "$disk" ]; then
f_dprintf "$funcname: Invalid disk argument \`%s'" "$disk"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_invalid_disk_argument" "$disk"
return $FAILURE
fi
if [ ! "$index" ]; then
f_dprintf "$funcname: NULL index argument"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_null_index_argument"
return $FAILURE
fi
if ! f_isinteger "$index"; then
f_dprintf "$funcname: Invalid index argument \`%s'" "$index"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_invalid_index_argument" "$index"
return $FAILURE
fi
f_dprintf "$funcname: disk=[%s] index=[%s]" "$disk" "$index"
# Check for unknown partition scheme before proceeding further
case "$ZFSBOOT_PARTITION_SCHEME" in
""|MBR|GPT*) : known good ;;
*)
f_dprintf "$funcname: %s is an unsupported partition scheme" \
"$ZFSBOOT_PARTITION_SCHEME"
msg_error="$msg_error: $funcname" f_show_err \
"$msg_unsupported_partition_scheme" \
"$ZFSBOOT_PARTITION_SCHEME"
return $FAILURE
esac
#
# Destroy whatever partition layout is currently on disk.
# NOTE: `-F' required to destroy if partitions still exist.
# NOTE: Failure is ok here, blank disk will have nothing to destroy.
#
f_dprintf "$funcname: Exporting ZFS pools..."
zpool list -Ho name | while read z_name; do
f_eval_catch -d $funcname zpool "$ZPOOL_EXPORT_F" $z_name
done
f_dprintf "$funcname: Detaching all GELI providers..."
geli status | tail -n +2 | while read g_name g_status g_component; do
f_eval_catch -d $funcname geli "$GELI_DETACH_F" $g_name
done
f_dprintf "$funcname: Destroying all data/layouts on \`%s'..." "$disk"
f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" $disk
f_eval_catch -d $funcname graid "$GRAID_DELETE" $disk
f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" /dev/$disk
# Make doubly-sure backup GPT is destroyed
f_eval_catch -d $funcname gpart "$GPART_CREATE" gpt $disk
f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" $disk
#
# Lay down the desired type of partition scheme
#
local setsize mbrindex align_small align_big
#
# If user has requested 4 K alignment, add these params to the
# gpart add calls. With GPT, we align large partitions to 1 M for
# improved performance on SSDs. MBR does not always play well with gaps
# between partitions, so all alignment is only 4k for that case.
# With MBR, we align the BSD partition that contains the MBR, otherwise
# the system fails to boot.
#
if [ "$ZFSBOOT_FORCE_4K_SECTORS" ]; then
align_small="-a 4k"
align_big="-a 1m"
fi
case "$ZFSBOOT_PARTITION_SCHEME" in
""|GPT*) f_dprintf "$funcname: Creating GPT layout..."
#
# 1. Create GPT layout using labels
#
f_eval_catch $funcname gpart "$GPART_CREATE" gpt $disk ||
return $FAILURE
#
# Apply workarounds if requested by the user
#
if [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT + Lenovo Fix" ]; then
f_eval_catch $funcname gpart "$GPART_SET_LENOVOFIX" \
$disk || return $FAILURE
elif [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT + Active" ]; then
f_eval_catch $funcname gpart "$GPART_SET_PMBR_ACTIVE" \
$disk || return $FAILURE
fi
#
# 2. Add small freebsd-boot and/or efi partition
#
if [ "$ZFSBOOT_BOOT_TYPE" = "UEFI" -o \
"$ZFSBOOT_BOOT_TYPE" = "BIOS+UEFI" ]
then
f_eval_catch $funcname gpart \
"$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
"$align_small" efiboot$index efi 200M \
$disk || return $FAILURE
# We'll configure the ESP in bootconfig
fi
if [ "$ZFSBOOT_BOOT_TYPE" = "BIOS" -o \
"$ZFSBOOT_BOOT_TYPE" = "BIOS+UEFI" ]
then
f_eval_catch $funcname gpart \
"$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
"$align_small" gptboot$index \
freebsd-boot 512k $disk || return $FAILURE
if [ "$ZFSBOOT_BOOT_TYPE" = "BIOS" ]; then
f_eval_catch $funcname gpart \
"$GPART_BOOTCODE_PART" \
/boot/pmbr /boot/gptzfsboot 1 \
$disk || return $FAILURE
else
f_eval_catch $funcname gpart \
"$GPART_BOOTCODE_PART" \
/boot/pmbr /boot/gptzfsboot 2 \
$disk || return $FAILURE
fi
fi
# NB: zpool will use the `zfs#' GPT labels
if [ "$ZFSBOOT_BOOT_TYPE" = "BIOS+UEFI" ]; then
if [ "$ZFSBOOT_BOOT_POOL" ]; then
bootpart=p3 swappart=p4 targetpart=p4
[ ${swapsize:-0} -gt 0 ] && targetpart=p5
else
# Bootpart unused
bootpart=p3 swappart=p3 targetpart=p3
[ ${swapsize:-0} -gt 0 ] && targetpart=p4
fi
else
if [ "$ZFSBOOT_BOOT_POOL" ]; then
bootpart=p2 swappart=p3 targetpart=p3
[ ${swapsize:-0} -gt 0 ] && targetpart=p4
else
# Bootpart unused
bootpart=p2 swappart=p2 targetpart=p2
[ ${swapsize:-0} -gt 0 ] && targetpart=p3
fi
fi
#
# Prepare boot pool if enabled (e.g., for geli(8))
#
if [ "$ZFSBOOT_BOOT_POOL" ]; then
f_eval_catch $funcname gpart \
"$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
"$align_big" boot$index freebsd-zfs \
${bootsize}b $disk || return $FAILURE
# Pedantically nuke any old labels
f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
/dev/$disk$bootpart
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
# Pedantically detach targetpart for later
f_eval_catch -d $funcname geli \
"$GELI_DETACH_F" \
/dev/$disk$targetpart
fi
fi
#
# 3. Add freebsd-swap partition labeled `swap#'
#
if [ ${swapsize:-0} -gt 0 ]; then
f_eval_catch $funcname gpart \
"$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
"$align_big" swap$index freebsd-swap \
${swapsize}b $disk || return $FAILURE
# Pedantically nuke any old labels on the swap
f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
/dev/$disk$swappart
fi
#
# 4. Add freebsd-zfs partition labeled `zfs#' for zroot
#
f_eval_catch $funcname gpart "$GPART_ADD_ALIGN_LABEL" \
"$align_big" zfs$index freebsd-zfs $disk ||
return $FAILURE
f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
/dev/$disk$targetpart
;;
MBR) f_dprintf "$funcname: Creating MBR layout..."
#
# Enable boot pool if encryption is desired
#
[ "$ZFSBOOT_GELI_ENCRYPTION" ] && ZFSBOOT_BOOT_POOL=1
#
# 1. Create MBR layout (no labels)
#
f_eval_catch $funcname gpart "$GPART_CREATE" mbr $disk ||
return $FAILURE
f_eval_catch $funcname gpart "$GPART_BOOTCODE" /boot/mbr \
$disk || return $FAILURE
#
# 2. Add freebsd slice with all available space
#
f_eval_catch $funcname gpart "$GPART_ADD_ALIGN" \
"$align_small" freebsd $disk || return $FAILURE
f_eval_catch $funcname gpart "$GPART_SET_ACTIVE" 1 $disk ||
return $FAILURE
# Pedantically nuke any old labels
f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
/dev/${disk}s1
# Pedantically nuke any old scheme
f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" ${disk}s1
#
# 3. Write BSD scheme to the freebsd slice
#
f_eval_catch $funcname gpart "$GPART_CREATE" BSD ${disk}s1 ||
return $FAILURE
# NB: zpool will use s1a (no labels)
bootpart=s1a swappart=s1b targetpart=s1d mbrindex=4
#
# Always prepare a boot pool on MBR
# Do not align this partition, there must not be a gap
#
ZFSBOOT_BOOT_POOL=1
f_eval_catch $funcname gpart \
"$GPART_ADD_ALIGN_INDEX_WITH_SIZE" \
"" 1 freebsd-zfs ${bootsize}b ${disk}s1 ||
return $FAILURE
# Pedantically nuke any old labels
f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
/dev/$disk$bootpart
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
# Pedantically detach targetpart for later
f_eval_catch -d $funcname geli \
"$GELI_DETACH_F" \
/dev/$disk$targetpart
fi
#
# 4. Add freebsd-swap partition
#
if [ ${swapsize:-0} -gt 0 ]; then
f_eval_catch $funcname gpart \
"$GPART_ADD_ALIGN_INDEX_WITH_SIZE" \
"$align_small" 2 freebsd-swap \
${swapsize}b ${disk}s1 || return $FAILURE