freebsd-dev/usr.sbin/bsdinstall/scripts/zfsboot
2013-12-16 17:11:09 +00:00

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#!/bin/sh
#-
# Copyright (c) 2013 Allan Jude
# Copyright (c) 2013 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 name for the boot environment parent dataset
#
: ${ZFSBOOT_BEROOT_NAME:=ROOT}
#
# Default name for the primany boot environment
#
: ${ZFSBOOT_BOOTFS_NAME:=default}
#
# Default Virtual Device (vdev) type to create
#
: ${ZFSBOOT_VDEV_TYPE:=stripe}
#
# Should we use gnop(8) to configure a transparent mapping to 4K sectors?
#
: ${ZFSBOOT_GNOP_4K_FORCE_ALIGN:=1}
#
# Should we use geli(8) to encrypt the drives?
#
: ${ZFSBOOT_GELI_ENCRYPTION=}
#
# Default name the unencrypted pool when using geli(8) to encrypt the drives
#
: ${ZFSBOOT_GELI_POOL_NAME:=bootpool}
#
# Default size for the unencrypted boot pool when using geli(8)
#
: ${ZFSBOOT_GELI_BOOT_SIZE:=2g}
#
# Default path to the geli(8) keyfile used in drive encryption
#
: ${ZFSBOOT_GELI_KEY_FILE:=/boot/encryption.key}
#
# Default disks to use (always empty unless being scripted)
#
: ${ZFSBOOT_DISKS:=}
#
# Default partitioning scheme to use on disks
#
: ${ZFSBOOT_PARTITION_SCHEME:=GPT}
#
# How much swap to put on each block device in the boot zpool
# NOTE: Value passed to gpart(8); which supports SI unit suffixes.
#
: ${ZFSBOOT_SWAP_SIZE:=2g}
#
# Default ZFS datasets for root zpool
#
# NOTE: Requires /tmp, /var/tmp, /$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,compression=lz4,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 compression=lz4,setuid=off
# Source tree (compressed)
/usr/src compression=lz4,exec=off,setuid=off
# Create /var and friends
/var mountpoint=/var
/var/crash compression=lz4,exec=off,setuid=off
/var/log compression=lz4,exec=off,setuid=off
/var/mail compression=lz4,atime=on
/var/tmp compression=lz4,exec=on,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.
#
: ${ZFSBOOT_CONFIRM_LAYOUT:=1}
############################################################ GLOBALS
#
# Format of a line in printf(1) syntax to add to fstab(5)
#
FSTAB_FMT="%s\t\t%s\t%s\t%s\t\t%s\t%s\n"
#
# Command strings for various tasks
#
CHMOD_MODE='chmod %s "%s"'
DD_WITH_OPTIONS='dd if="%s" of="%s" %s'
ECHO_APPEND='echo "%s" >> "%s"'
GELI_ATTACH='geli attach -j - -k "%s" "%s"'
GELI_PASSWORD_INIT='geli init -b -B "%s" -e %s -J - -K "%s" -l 256 -s 4096 "%s"'
GNOP_CREATE='gnop create -S 4096 "%s"'
GPART_ADD='gpart add -t %s "%s"'
GPART_ADD_INDEX='gpart add -i %s -t %s "%s"'
GPART_ADD_INDEX_WITH_SIZE='gpart add -i %s -t %s -s %s "%s"'
GPART_ADD_LABEL='gpart add -l %s -t %s "%s"'
GPART_ADD_LABEL_WITH_SIZE='gpart add -l %s -t %s -s %s "%s"'
GPART_BOOTCODE='gpart bootcode -b "%s" "%s"'
GPART_BOOTCODE_PART='gpart bootcode -b "%s" -p "%s" -i %s "%s"'
GPART_CREATE='gpart create -s %s "%s"'
GPART_SET_ACTIVE='gpart set -a active -i %s "%s"'
LN_SF='ln -sf "%s" "%s"'
MKDIR_P='mkdir -p "%s"'
MOUNT_TYPE='mount -t %s "%s" "%s"'
PRINTF_CONF="printf '%s=\"%%s\"\\\n' %s >> \"%s\""
PRINTF_FSTAB='printf "$FSTAB_FMT" "%s" "%s" "%s" "%s" "%s" "%s" >> "%s"'
SHELL_TRUNCATE=':> "%s"'
ZFS_CREATE_WITH_OPTIONS='zfs create %s "%s"'
ZFS_SET='zfs set "%s" "%s"'
ZFS_UNMOUNT='zfs unmount "%s"'
ZPOOL_CREATE_WITH_OPTIONS='zpool create %s "%s" %s %s'
ZPOOL_EXPORT='zpool export "%s"'
ZPOOL_IMPORT_WITH_OPTIONS='zpool import %s "%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_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="Use gnop(8) to configure forced 4K sector alignment"
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 the selected disks, 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_disk_argument="Invalid disk argument \`%s'"
msg_invalid_geli_boot_size="Invalid geli(8) boot size \`%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_ok="OK"
msg_partition_scheme="Partition Scheme"
msg_partition_scheme_help="Toggle between GPT and MBR partitioning schemes"
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_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_size="Swap Size"
msg_swap_size_help="Customize how much swap space is allocated to each selected disk"
msg_these_disks_are_too_small="These disks are too small given the amount of requested\nswap (%s) and/or geli(8) (%s) partitions, which would\ntake 50%% or more of each of the following selected disk\ndevices (not recommended):\n\n %s\n\nRecommend changing partition size(s) and/or selecting a\ndifferent set of devices."
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="$msg_no"
[ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ] && force4k="$msg_yes"
[ "$ZFSBOOT_GELI_ENCRYPTION" ] && usegeli="$msg_yes"
local disks n=$( set -- $ZFSBOOT_DISKS; echo $# )
{ [ $n -eq 1 ] && disks=disk; } || disks=disks # grammar
local menu_list="
'>>> $msg_install' '$msg_install_desc'
'$msg_install_help'
'T $msg_pool_type_disks' '$ZFSBOOT_VDEV_TYPE: $n $disks'
'$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'
'$msg_partition_scheme_help'
'S $msg_swap_size' '$ZFSBOOT_SWAP_SIZE'
'$msg_swap_size_help'
" # END-QUOTE
local defaultitem= # Calculated below
local hline="$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' '$msg_mirror_help'
'raidz1' '$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|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=
f_device_find "" $DEVICE_TYPE_DISK disks
f_dprintf "$funcname: disks=[%s]" "$disks"
if [ ! "$disks" ]; then
f_dprintf "No disk(s) present to configure"
f_show_err "$msg_no_disks_present_to_configure"
return $FAILURE
fi
# Lets sort the disks array to be more user friendly
disks=$( echo "$disks" | tr ' ' '\n' | sort | tr '\n' ' ' )
#
# Operate in a loop so we can (if interactive) repeat if not enough
# disks are selected to satisfy the chosen vdev type or user wants to
# back-up to the previous menu.
#
local vardisk ndisks onoff selections vdev_choice
while :; do
#
# Confirm the vdev type that was selected
#
if f_interactive && [ "$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
local want_disks=0
case "$ZFSBOOT_VDEV_TYPE" in
stripe) want_disks=1 ;;
mirror) want_disks=2 ;;
raidz1) want_disks=3 ;;
raidz2) want_disks=4 ;;
raidz3) want_disks=5 ;;
esac
# Warn the user if any scripted disks are invalid
local disk valid_disks=
local all_valid=${ZFSBOOT_DISKS:+1} # optimism
for disk in $ZFSBOOT_DISKS; do
if f_struct device_$disk; 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 || [ ! "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
ndisks=$( set -- $ZFSBOOT_DISKS; echo $# )
[ $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
#
local breakout=
while :; do
# Loop over list of available disks, resetting state
for disk in $disks; do unset _${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 $ZFSBOOT_DISKS; do
local _${disk}_status=on
done
# Create the checklist menu of discovered disk devices
disk_check_list=
for disk in $disks; do
local desc=
device_$disk get desc desc
f_shell_escape "$desc" desc
f_getvar _${disk}_status:-off onoff
disk_check_list="$disk_check_list
$disk '$desc' $onoff"
done
local height width rows
eval f_dialog_checklist_size height width rows \
\"\$title\" \"\$btitle\" \"\$prompt\" \
\"\$hline\" $disk_check_list
selections=$( eval $DIALOG \
--title \"\$DIALOG_TITLE\" \
--backtitle \"\$DIALOG_BACKTITLE\" \
--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]" \
"$ZFSBOOT_DISKS"
ndisks=$( set -- $ZFSBOOT_DISKS; echo $# )
[ $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: The MBR layout is more complicated (GPT is preferred).
#
zfs_create_diskpart()
{
local funcname=zfs_create_diskpart
local disk="$1" index="$2"
local disksize partsize
# Check arguments
if [ ! "$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: Destroying all data/layouts on \`%s'..." "$disk"
f_quietly gpart destroy -F $disk
f_quietly graid destroy $disk
f_quietly zpool labelclear -f /dev/$disk # Kill it with fire
# Make doubly-sure backup GPT is destroyed
f_quietly gpart create -s gpt $disk
f_quietly gpart destroy -F $disk
# Calculate partition size given desired amount of swap
f_dprintf "$funcname: Getting disk capactiy for \`%s'" "$disk"
if ! device_$disk get capacity disksize; then
f_dprintf "$funcname: Unable to get disk capacity of \`%s'" \
"$disk"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_unable_to_get_disk_capacity" "$disk"
return $FAILURE
fi
partsize=$(( $disksize - $swapsize ))
f_dprintf "$funcname: disksize=[%s] partsize=[%s]" \
"$disksize" "$partsize"
#
# Lay down the desired type of partition scheme
#
local setsize mbrindex
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
#
# 2. Add small freebsd-boot partition labeled `boot#'
#
f_eval_catch $funcname gpart "$GPART_ADD_LABEL_WITH_SIZE" \
gptboot\$index freebsd-boot 512k \$disk ||
return $FAILURE
f_eval_catch $funcname gpart "$GPART_BOOTCODE_PART" \
/boot/pmbr /boot/gptzfsboot 1 \$disk ||
return $FAILURE
# zpool will use the `zfs#' GPT labels
bootpart=p2 targetpart=p2
# Change things around if we are using geli(8)
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
bootpart=p2 targetpart=p3
partsize=$(( $partsize - $gelisize ))
f_dprintf "$funcname: gelisize=[%s]" \
"gelisize=[$gelisize]"
f_eval_catch $funcname gpart \
"$GPART_ADD_LABEL_WITH_SIZE" boot\$index \
freebsd-zfs \${gelisize}b \$disk ||
return $FAILURE
# Pedantically nuke any old labels, stop geli
f_quietly zpool labelclear -f "/dev/$disk$bootpart"
f_quietly geli detach -f "/dev/$disk$targetpart"
fi
#
# 3. Add freebsd-zfs partition labeled `zfs#' for zpool
# NOTE: Using above calculated partsize to leave room for swap.
#
if [ ${swapsize:-0} -gt 0 ]; then
f_dprintf "$funcname: partsize=[%s]" \
"partsize=[$partsize]"
f_eval_catch $funcname gpart \
"$GPART_ADD_LABEL_WITH_SIZE" zfs\$index \
freebsd-zfs \${partsize}b \$disk ||
return $FAILURE
else
f_eval_catch $funcname gpart "$GPART_ADD_LABEL" \
zfs\$index freebsd-zfs \$disk ||
return $FAILURE
fi
f_quietly zpool labelclear -f "/dev/$disk$targetpart"
#
# 4. Add freebsd-swap partition labeled `swap#'
#
if [ $swapsize -gt 0 ]; then
f_eval_catch $funcname gpart "$GPART_ADD_LABEL" \
swap\$index freebsd-swap \$disk ||
return $FAILURE
# Update fstab(5)
f_eval_catch $funcname printf "$PRINTF_FSTAB" \
/dev/gpt/swap\$index none swap sw 0 0 \
\$BSDINSTALL_TMPETC/fstab ||
return $FAILURE
fi
;;
MBR) f_dprintf "$funcname: Creating MBR layout..."
#
# 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" freebsd \$disk ||
return $FAILURE
f_eval_catch $funcname gpart "$GPART_SET_ACTIVE" 1 \$disk ||
return $FAILURE
f_quietly zpool labelclear -f /dev/${disk}s1 # Pedantic
f_quietly gpart destroy -F ${disk}s1 # Pedantic
#
# 3. Write BSD scheme to the freebsd slice
#
f_eval_catch $funcname gpart "$GPART_CREATE" BSD \${disk}s1 ||
return $FAILURE
# zpool will use s1a (no labels)
bootpart=s1a targetpart=s1a mbrindex=1
# Change things around if we are using geli(8)
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
bootpart=s1a targetpart=s1d
partsize=$(( $partsize - $gelisize ))
mbrindex=4 # If this is s1a then make the zpool s1d
f_dprintf "$funcname: mbrindex=[%s] gelisize=[%s]" \
"$mbrindex" "$gelisize"
f_eval_catch $funcname gpart \
"$GPART_ADD_INDEX_WITH_SIZE" \
1 freebsd-zfs \${gelisize}b \${disk}s1 ||
return $FAILURE
# Pedantically nuke any old labels, stop geli
f_quietly zpool labelclear -f "/dev/$disk$bootpart"
f_quietly geli detach -f "/dev/$disk$targetpart"
fi
#
# 4. Partition the BSD slice for ZFS
# NOTE: Using above calculated partsize to leave room for swap.
#
if [ ${swapsize:-0} -gt 0 ]; then
f_dprintf "$funcname: mbrindex=[%s] partsize=[%s]" \
"$mbrindex" "$partsize"
f_eval_catch $funcname gpart \
"$GPART_ADD_INDEX_WITH_SIZE" \
\$mbrindex freebsd-zfs \${partsize}b \
\${disk}s1 || return $FAILURE
else
f_dprintf "$funcname: mbrindex=[%s]" "$mbrindex"
f_eval_catch $funcname gpart "$GPART_ADD_INDEX" \
\$mbrindex freebsd-zfs \${disk}s1 ||
return $FAILURE
fi
f_quietly zpool labelclear -f /dev/$disk$targetpart # Pedantic
#
# 5. Add freebsd-swap partition
#
if [ $swapsize -gt 0 ]; then
f_eval_catch $funcname gpart "$GPART_ADD_INDEX" \
2 freebsd-swap \${disk}s1 ||
return $FAILURE
# Update fstab(5)
f_eval_catch $funcname printf "$PRINTF_FSTAB" \
/dev/\${disk}s1b none swap sw 0 0 \
\$BSDINSTALL_TMPETC/fstab ||
return $FAILURE
fi
;;
esac # $ZFSBOOT_PARTITION_SCHEME
return $SUCCESS
}
# zfs_create_boot $poolname $vdev_type $disks ...
#
# Creates boot pool and dataset layout. Returns error if something goes wrong.
# Errors are printed to stderr for collection and display.
#
zfs_create_boot()
{
local funcname=zfs_create_boot
local poolname="$1" vdev_type="$2"
local bootpart targetpart
shift 2 # name vdev_type
# We may need this later
local disks="$*"
# Pedantic checks; should never be seen
if [ ! "$poolname" ]; then
f_dprintf "$funcname: NULL poolname"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_null_poolname"
return $FAILURE
fi
if [ $# -lt 1 ]; then
f_dprintf "$funcname: missing disk arguments"
msg_error="$msg_error: $funcname" \
f_show_err "$msg_missing_disk_arguments"
return $FAILURE
fi
f_dprintf "$funcname: poolname=[%s] vdev_type=[%s]" \
"$poolname" "$vdev_type"
# Initialize fstab(5)
f_dprintf "$funcname: Initializing temporary fstab(5) file..."
f_eval_catch $funcname sh \
"$SHELL_TRUNCATE" \$BSDINSTALL_TMPETC/fstab ||
return $FAILURE
f_eval_catch $funcname printf "$PRINTF_FSTAB" \
"# Device" Mountpoint FStype Options Dump "Pass#" \
\$BSDINSTALL_TMPETC/fstab || return $FAILURE
# Expand SI units in desired sizes
f_dprintf "$funcname: Expanding supplied swapsize/gelisize values..."
local swapsize gelisize
if ! f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize; then
f_dprintf "$funcname: Invalid swap size \`%s'" \
"$ZFSBOOT_SWAP_SIZE"
f_show_err "$msg_invalid_swap_size" "$ZFSBOOT_SWAP_SIZE"
return $FAILURE
fi
if ! f_expand_number "$ZFSBOOT_GELI_BOOT_SIZE" gelisize; then
f_dprintf "$funcname: Invalid geli(8) boot size \`%s'" \
"$ZFSBOOT_GELI_BOOT_SIZE"
f_show_err "$msg_invalid_geli_boot_size" \
"$ZFSBOOT_GELI_BOOT_SIZE"
return $FAILURE
fi
f_dprintf "$funcname: ZFSBOOT_SWAP_SIZE=[%s] swapsize=[%s]" \
"$ZFSBOOT_SWAP_SIZE" "$swapsize"
f_dprintf "$funcname: ZFSBOOT_GELI_BOOT_SIZE=[%s] gelisize=[%s]" \
"$ZFSBOOT_GELI_BOOT_SIZE" "$gelisize"
# Prepare the disks
f_dprintf "$funcname: Preparing disk partitions for ZFS pool..."
local n=0
for disk in $*; do
zfs_create_diskpart $disk $n || return $FAILURE
n=$(( $n + 1 ))
done
# MBR boot loader hack part 1
# We have to do this early because geli gets in the way later
if [ "$ZFSBOOT_PARTITION_SCHEME" = "MBR" ]; then
f_dprintf "$funcname: Copying MBR boot loader to disks..."
f_dprintf "$funcname: disks=[%s]" "$disks"
for disk in $disks; do
f_dprintf "$funcname: disk=[%s]" "$disk"
f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
/boot/zfsboot /dev/\${disk}s1 count=1 ||
return $FAILURE
done
fi
# Forced 4k alignment support provided by Geom NOP (see gnop(8))
local unenc_list=
if [ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ]; then
local part="$targetpart" new_list=
# We don't gnop the encrypted partition because geli will do
# this for us gnop the unencrypted disk
[ "$ZFSBOOT_GELI_ENCRYPTION" ] && part="$bootpart"
f_dprintf "$funcname: Applying 4k alignment with gnop(8)..."
f_dprintf "$funcname: *=[%s]" "$*"
for disk in $*; do
f_dprintf "$funcname: disk=[%s] part=[%s]" \
"$disk" "$part"
f_eval_catch $funcname gnop "$GNOP_CREATE" \
\$disk\$part || return $FAILURE
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
unenc_list="$unenc_list $disk$part.nop"
else
new_list="$new_list $disk$targetpart.nop"
fi
done
set -- $new_list
else
local new_list=
for disk in $*; do
new_list="$new_list $disk$targetpart"
[ "$ZFSBOOT_GELI_ENCRYPTION" ] &&
unenc_list="$unenc_list $disk$bootpart"
done
set -- $new_list
fi
#
# If encryption is enabled, we need to create the GEOMs
#
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
local bootvdev= options=
local geli_pool="$BSDINSTALL_CHROOT/$ZFSBOOT_GELI_POOL_NAME"
local key="$ZFSBOOT_GELI_KEY_FILE"
f_dprintf "$funcname: Setting up disk encryption..."
# Create the parent directories for our unencrypted pool
f_quietly umount /mnt
f_eval_catch $funcname mount "$MOUNT_TYPE" tmpfs none \
\$BSDINSTALL_CHROOT || return $FAILURE
# Create mirror across the unencrypted partition on all disks
[ $( set -- $unenc_list; echo $# ) -gt 1 ] && bootvdev=mirror
f_dprintf "$funcname: %s %s %s" \
"ZFSBOOT_GELI_POOL_NAME=[$ZFSBOOT_GELI_POOL_NAME]" \
"bootvdev=[$bootvdev]" "unenc_list=[$unenc_list]"
options="-o altroot=\"\$BSDINSTALL_CHROOT\""
options="$options -m \"/\$ZFSBOOT_GELI_POOL_NAME\""
options="$options -f"
f_eval_catch $funcname zpool "$ZPOOL_CREATE_WITH_OPTIONS" \
"$options" \$ZFSBOOT_GELI_POOL_NAME \$bootvdev \
\$unenc_list || return $FAILURE
f_dprintf "$funcname: geli_pool=[%s]" "$geli_pool"
f_eval_catch $funcname mkdir "$MKDIR_P" \$geli_pool/boot ||
return $FAILURE
# Generate an encryption key using random(4)
f_dprintf "$funcname: key=[%s]" "$key"
f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
/dev/random \$geli_pool/\$key "bs=4096 count=1" ||
return $FAILURE
# Create the geli(8) GEOMS
local geli_list
if ! msg_enter_new_password="$msg_geli_password" \
f_dialog_input_password
then
f_dprintf "$funcname: User cancelled"
f_show_err "$msg_user_cancelled"
return $FAILURE
fi
f_dprintf "$funcname: disks=[%s]" "$disks"
for disk in $disks; do
f_dprintf "$funcname: disk=[%s] targetpart=[%s]" \
"$disk" "$targetpart"
f_dialog_info "$msg_geli_setup" \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
if ! echo "$pw_password" | f_eval_catch $funcname \
geli "$GELI_PASSWORD_INIT" \
\$geli_pool/boot/\$disk\$targetpart.eli \
AES-XTS \$geli_pool/\$key \$disk\$targetpart
then
f_interactive || f_die
return $FAILURE
fi
if ! echo "$pw_password" | f_eval_catch $funcname \
geli "$GELI_ATTACH" \$geli_pool/\$key \
\$disk\$targetpart
then
f_interactive || f_die
return $FAILURE
fi
geli_list="$geli_list $disk$targetpart.eli"
done
set -- $geli_list
f_eval_catch $funcname zfs "$ZFS_UNMOUNT" \
\$ZFSBOOT_GELI_POOL_NAME || return $FAILURE
f_quietly umount /mnt # done with tmpfs
fi
#
# Create the ZFS pool with desired type and disk devices
#
local vdevs="$*"
f_dprintf "$funcname: Creating boot pool..."
f_dprintf "poolname=[%s] vdev_type=[%s] vdevs=[%s]" \
"$poolname" "$vdev_type" "$vdevs"
f_eval_catch $funcname zpool "$ZPOOL_CREATE_WITH_OPTIONS" \
"-o altroot=\"\$BSDINSTALL_CHROOT\" -m none -f" \
\$poolname \$vdev_type \$vdevs
# Customize the zpool a bit...
local option
f_dprintf "$funcname: Setting miscellaneous options on boot pool..."
for option in checksum=fletcher4 atime=off; do
f_dprintf "$funcname: option=[%s]" "$option"
f_eval_catch $funcname zfs "$ZFS_SET" \$option \$poolname ||
return $FAILURE
done
#
# Create ZFS dataset layout within the new boot pool
#
f_dprintf "$funcname: Creating ZFS datasets..."
echo "$ZFSBOOT_DATASETS" | while read dataset options; do
# Skip blank lines and comments
case "$dataset" in "#"*|"") continue; esac
# Remove potential inline comments in options
options="${options%%#*}"
# Replace tabs with spaces
f_replaceall "$options" " " " " options
# Reduce contiguous runs of space to one single space
oldoptions=
while [ "$oldoptions" != "$options" ]; do
oldoptions="$options"
f_replaceall "$options" " " " " options
done
# Replace both commas and spaces with ` -o '
f_replaceall "$options" "[ ,]" " -o " options
# Create the dataset with desired options
f_dprintf "$funcname: dataset=[%s] options=[%s]" \
"$dataset" "$options"
f_eval_catch $funcname zfs "$ZFS_CREATE_WITH_OPTIONS" \
"\${options:+-o \$options}" \$poolname\$dataset ||
return $FAILURE
done
# Touch up permissions on the tmp directories
f_dprintf "$funcname: Modifying directory permissions..."
local dir
for dir in /tmp /var/tmp; do
f_dprintf "$funcname: dir=[%s]" "$dir"
f_eval_catch $funcname chmod "$CHMOD_MODE" 1777 \
\$BSDINSTALL_CHROOTDIR\$dir || return $FAILURE
done
# Create symlink(s)
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
f_dprintf "$funcname: Creating /boot symlink for GELI..."
f_eval_catch $funcname ln "$LN_SF" \
\$ZFSBOOT_GELI_POOL_NAME/boot \
\$BSDINSTALL_CHROOT/boot || return $FAILURE
fi
# Set bootfs property
f_dprintf "$funcname: Setting bootfs property..."
f_dprintf "$funcname: %s %s" \
"ZFSBOOT_BEROOT_NAME=[$ZFSBOOT_BEROOT_NAME]" \
"ZFSBOOT_BOOTFS_NAME=[$ZFSBOOT_BOOTFS_NAME]"
f_eval_catch $funcname zpool "$ZPOOL_SET" \
bootfs=\"\$poolname/\$ZFSBOOT_BEROOT_NAME/\$ZFSBOOT_BOOTFS_NAME\" \
\$poolname || return $FAILURE
# Export the pool(s)
f_dprintf "$funcname: Temporarily exporting ZFS pool(s)..."
f_eval_catch $funcname zpool "$ZPOOL_EXPORT" \$poolname ||
return $FAILURE
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
f_eval_catch $funcname zpool "$ZPOOL_EXPORT" \
\$ZFSBOOT_GELI_POOL_NAME || return $FAILURE
fi
# Destroy the gnop devices (if enabled)
for disk in ${ZFSBOOT_GNOP_4K_FORCE_ALIGN:+$disks}; do
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
f_quietly gnop destroy $disk$bootpart.nop
else
f_quietly gnop destroy $disk$targetpart.nop
fi
done
# MBR boot loader hack part 2
if [ "$ZFSBOOT_PARTITION_SCHEME" = "MBR" ]; then
f_dprintf "$funcname: Updating MBR boot loader on disks..."
f_dprintf "$funcname: disks=[%s]"
# Stick the ZFS boot loader in the "convienient hole" after
# the ZFS internal metadata
for disk in $disks; do
f_dprintf "$funcname: disk=[%s] bootpart=[%s]" \
"$disk" "$bootpart"
f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
/boot/zfsboot /dev/\$disk\$bootpart \
"skip=1 seek=1024" || return $FAILURE
done
fi
# Re-import the ZFS pool(s)
f_dprintf "$funcname: Re-importing ZFS pool(s)..."
f_eval_catch $funcname zpool "$ZPOOL_IMPORT_WITH_OPTIONS" \
"-o altroot=\"\$BSDINSTALL_CHROOT\"" \$poolname ||
return $FAILURE
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
f_eval_catch $funcname zpool "$ZPOOL_IMPORT_WITH_OPTIONS" \
"-o altroot=\"\$BSDINSTALL_CHROOT\"" \
\$ZFSBOOT_GELI_POOL_NAME || return $FAILURE
fi
# While this is apparently not needed, it seems to help MBR
f_dprintf "$funcname: Configuring zpool.cache..."
f_eval_catch $funcname mkdir "$MKDIR_P" \$BSDINSTALL_CHROOT/boot/zfs ||
return $FAILURE
f_eval_catch $funcname zpool "$ZPOOL_SET" \
cachefile=\"\$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\" \
\$poolname || return $FAILURE
# Last, but not least... required lines for rc.conf(5)/loader.conf(5)
# NOTE: We later concatenate these into their destination
f_dprintf "%s: Configuring rc.conf(5)/loader.conf(5) additions..." \
"$funcname"
f_eval_catch $funcname echo "$ECHO_APPEND" 'zfs_enable=\"YES\"' \
\$BSDINSTALL_TMPETC/rc.conf.zfs || return $FAILURE
f_eval_catch $funcname echo "$ECHO_APPEND" 'zfs_load=\"YES\"' \
\$BSDINSTALL_TMPBOOT/loader.conf.zfs || return $FAILURE
# We're all done unless we should go on to do encryption
[ "$ZFSBOOT_GELI_ENCRYPTION" ] || return $SUCCESS
# Some additional geli(8) requirements for loader.conf(5)
for option in \
zpool_cache_load=\"YES\" \
zpool_cache_type=\"/boot/zfs/zpool.cache\" \
zpool_cache_name=\"/boot/zfs/zpool.cache\" \
; do
f_eval_catch $funcname echo "$ECHO_APPEND" \$option \
\$BSDINSTALL_TMPBOOT/loader.conf.zfs ||
return $FAILURE
done
#
# Configure geli(8)-based encryption
#
f_dprintf "$funcname: Configuring disk encryption..."
f_eval_catch $funcname echo "$ECHO_APPEND" 'aesni_load=\"YES\"' \
\$BSDINSTALL_TMPBOOT/loader.conf.aesni || return $FAILURE
f_eval_catch $funcname echo "$ECHO_APPEND" 'geom_eli_load=\"YES\"' \
\$BSDINSTALL_TMPBOOT/loader.conf.geli || return $FAILURE
f_eval_catch $funcname printf "$PRINTF_CONF" vfs.root.mountfrom \
'"zfs:$poolname/$ZFSBOOT_BEROOT_NAME/$ZFSBOOT_BOOTFS_NAME"' \
\$BSDINSTALL_TMPBOOT/loader.conf.root || return $FAILURE
f_dprintf "$funcname: disks=[%s]" "$disks"
for disk in $disks; do
f_dprintf "$funcname: %s %s %s" \
"disk=[$disk]" "targetpart=[$targetpart]" \
"ZFSBOOT_GELI_KEY_FILE=[$ZFSBOOT_GELI_KEY_FILE]"
f_eval_catch $funcname printf "$PRINTF_CONF" \
geli_%s_keyfile0_load '"$disk$targetpart" YES' \
\$BSDINSTALL_TMPBOOT/loader.conf.\$disk\$targetpart ||
return $FAILURE
f_eval_catch $funcname printf "$PRINTF_CONF" \
geli_%s_keyfile0_type \
'"$disk$targetpart" "$disk$targetpart:geli_keyfile0"' \
\$BSDINSTALL_TMPBOOT/loader.conf.\$disk\$targetpart ||
return $FAILURE
f_eval_catch $funcname printf "$PRINTF_CONF" \
geli_%s_keyfile0_name \
'"$disk$targetpart" "$ZFSBOOT_GELI_KEY_FILE"' \
\$BSDINSTALL_TMPBOOT/loader.conf.\$disk\$targetpart ||
return $FAILURE
done
return $SUCCESS
}
# dialog_menu_diskinfo
#
# Prompt the user to select a disk and then provide detailed info on it.
#
dialog_menu_diskinfo()
{
local disk
#
# Break from loop when user cancels disk selection
#
while :; do
disk=$( msg_cancel="$msg_back" f_device_menu \
"$DIALOG_TITLE" "$msg_select_a_disk_device" "" \
$DEVICE_TYPE_DISK 2>&1 ) || break
# Show gpart(8) `show' and camcontrol(8) `inquiry' data
f_show_msg "$msg_detailed_disk_info" \
"$disk" "$( gpart show $disk 2> /dev/null )" \
"$disk" "$( camcontrol inquiry $disk 2> /dev/null )" \
"$disk" "$( camcontrol identify $disk 2> /dev/null )"
done
return $SUCCESS
}
############################################################ MAIN
#
# Initialize
#
f_dialog_title "$msg_zfs_configuration"
f_dialog_backtitle "$msg_freebsd_installer"
# User may have specifically requested ZFS-related operations be interactive
! f_interactive && f_zfsinteractive && unset $VAR_NONINTERACTIVE
#
# Debugging
#
f_dprintf "BSDINSTALL_CHROOT=[%s]" "$BSDINSTALL_CHROOT"
f_dprintf "BSDINSTALL_TMPETC=[%s]" "$BSDINSTALL_TMPETC"
f_dprintf "PRINTF_FSTAB=[%s]" "$PRINTF_FSTAB"
#
# Loop over the main menu until we've accomplished what we came here to do
#
while :; do
if ! f_interactive; then
retval=$DIALOG_OK
mtag=">>> $msg_install"
else
dialog_menu_main
retval=$?
f_dialog_menutag_fetch mtag
fi
f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"
[ $retval -eq $DIALOG_OK ] || f_die
case "$mtag" in
">>> $msg_install")
#
# First, validate the user's selections
#
# Make sure they gave us a name for the pool
if [ ! "$ZFSBOOT_POOL_NAME" ]; then
f_dprintf "Pool name cannot be empty."
f_show_err "$msg_pool_name_cannot_be_empty"
continue
fi
# Validate vdev type against number of disks selected/scripted
# (also validates that ZFSBOOT_DISKS are real [probed] disks)
# NB: dialog_menu_layout supports running non-interactively
dialog_menu_layout || continue
# Make sure each disk will be at least 50% ZFS
if f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize &&
f_expand_number "$ZFSBOOT_GELI_BOOT_SIZE" gelisize
then
minsize=$swapsize teeny_disks=
[ "$ZFSBOOT_GELI_ENCRYPTION" ] &&
minsize=$(( $minsize + $gelisize ))
for disk in $ZFSBOOT_DISKS; do
device_$disk get capacity disksize || continue
disksize=$(( $disksize - $minsize ))
[ $disksize -lt $minsize ] &&
teeny_disks="$teeny_disks $disk"
done
if [ "$teeny_disks" ]; then
f_dprintf "swapsize=[%s] gelisize[%s]" \
"$ZFSBOOT_SWAP_SIZE" \
"$ZFSBOOT_GELI_BOOT_SIZE"
f_dprintf "These disks are too small: %s" \
"$teeny_disks"
f_show_err "$msg_these_disks_are_too_small" \
"$ZFSBOOT_SWAP_SIZE" \
"$ZFSBOOT_GELI_BOOT_SIZE" \
"$teeny_disks"
continue
fi
fi
#
# Last Chance!
#
if f_interactive; then
dialog_last_chance $ZFSBOOT_DISKS || continue
fi
#
# Let's do this
#
vdev_type="$ZFSBOOT_VDEV_TYPE"
# Blank the vdev type for the default layout
[ "$vdev_type" = "stripe" ] && vdev_type=
zfs_create_boot "$ZFSBOOT_POOL_NAME" \
"$vdev_type" $ZFSBOOT_DISKS || continue
break # to success
;;
?" $msg_pool_type_disks")
ZFSBOOT_CONFIRM_LAYOUT=1
dialog_menu_layout
# User has poked settings, disable later confirmation
ZFSBOOT_CONFIRM_LAYOUT=
;;
"- $msg_rescan_devices") f_device_rescan ;;
"- $msg_disk_info") dialog_menu_diskinfo ;;
?" $msg_pool_name")
# Prompt the user to input/change the name for the new pool
f_dialog_input input \
"$msg_please_enter_a_name_for_your_zpool" \
"$ZFSBOOT_POOL_NAME" &&
ZFSBOOT_POOL_NAME="$input"
;;
?" $msg_force_4k_sectors")
# Toggle the variable referenced both by the menu and later
if [ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ]; then
ZFSBOOT_GNOP_4K_FORCE_ALIGN=
else
ZFSBOOT_GNOP_4K_FORCE_ALIGN=1
fi
;;
?" $msg_encrypt_disks")
# Toggle the variable referenced both by the menu and later
if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
ZFSBOOT_GELI_ENCRYPTION=
else
ZFSBOOT_GELI_ENCRYPTION=1
fi
;;
?" $msg_partition_scheme")
# Toggle between GPT and MBR
if [ "$ZFSBOOT_PARTITION_SCHEME" = GPT ]; then
ZFSBOOT_PARTITION_SCHEME=MBR
else
ZFSBOOT_PARTITION_SCHEME=GPT
fi
;;
?" $msg_swap_size")
# Prompt the user to input/change the swap size for each disk
f_dialog_input input \
"$msg_please_enter_amount_of_swap_space" \
"$ZFSBOOT_SWAP_SIZE" &&
ZFSBOOT_SWAP_SIZE="${input:-0}"
;;
esac
done
return $SUCCESS
################################################################################
# END
################################################################################