freebsd-dev/usr.sbin/pc-sysinstall/backend/functions-newfs.sh
Josh Paetzel c53a166889 Add TRIM support, enabled by default.
Fix a bug installing components from a localPath.
Allow autosizing of any partition, not just the last partition.
Adjust how ZFS is laid out to work with Boot Environments.

Submitted by:	kmoore
Obtained from:	PC-BSD
MFC after:	3 days
2012-09-06 14:59:53 +00:00

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#!/bin/sh
#-
# Copyright (c) 2010 iXsystems, Inc. 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.
#
# $FreeBSD$
# Functions related to disk operations using newfs
# Function which performs the ZFS magic
setup_zfs_filesystem()
{
PART="$1"
PARTFS="$2"
PARTMNT="$3"
EXT="$4"
PARTGEOM="$5"
ZPOOLOPTS="$6"
ROOTSLICE="`echo ${PART} | rev | cut -b 2- | rev`"
ZPOOLNAME=$(get_zpool_name "${PART}")
# Sleep a few moments, let the disk catch its breath
sleep 5
sync
# Check if we have multiple zfs mounts specified
for i in `echo ${PARTMNT} | sed 's|,| |g'`
do
# Check if we ended up with needing a zfs bootable partition
if [ "${i}" = "/" -o "${i}" = "/boot" ]
then
if [ "$HAVEBOOT" = "YES" ] ; then continue ; fi
if [ "${PARTGEOM}" = "MBR" ] ; then
# Lets stamp the proper ZFS boot loader
echo_log "Setting up ZFS boot loader support"
rc_halt "dd if=/boot/zfsboot of=${ROOTSLICE} count=1"
rc_halt "dd if=/boot/zfsboot of=${PART}${EXT} skip=1 seek=1024"
fi
fi
done
# Check if we have some custom zpool arguments and use them if so
if [ ! -z "${ZPOOLOPTS}" ] ; then
rc_halt "zpool create -m none -f ${ZPOOLNAME} ${ZPOOLOPTS}"
else
# No zpool options, create pool on single device
rc_halt "zpool create -m none -f ${ZPOOLNAME} ${PART}${EXT}"
fi
# Disable atime for this zfs partition, speed increase
rc_nohalt "zfs set atime=off ${ZPOOLNAME}"
};
# Runs newfs on all the partiions which we've setup with bsdlabel
setup_filesystems()
{
# Create the keydir
rm -rf ${GELIKEYDIR} >/dev/null 2>/dev/null
mkdir ${GELIKEYDIR}
# Lets go ahead and read through the saved partitions we created, and determine if we need to run
# newfs on any of them
for PART in `ls ${PARTDIR}`
do
PARTDEV="`echo $PART | sed 's|-|/|g'`"
PARTFS="`cat ${PARTDIR}/${PART} | cut -d '#' -f 1`"
PARTMNT="`cat ${PARTDIR}/${PART} | cut -d '#' -f 2`"
PARTENC="`cat ${PARTDIR}/${PART} | cut -d '#' -f 3`"
PARTLABEL="`cat ${PARTDIR}/${PART} | cut -d '#' -f 4`"
PARTGEOM="`cat ${PARTDIR}/${PART} | cut -d '#' -f 5`"
PARTXTRAOPTS="`cat ${PARTDIR}/${PART} | cut -d '#' -f 6`"
PARTIMAGE="`cat ${PARTDIR}/${PART} | cut -d '#' -f 7`"
if [ ! -e "${PARTDEV}" ] ; then
exit_err "ERROR: The partition ${PARTDEV} does not exist. Failure in bsdlabel?"
fi
# Make sure journaling isn't enabled on this device
if [ -e "${PARTDEV}.journal" ]
then
rc_nohalt "gjournal stop -f ${PARTDEV}.journal"
rc_nohalt "gjournal clear ${PARTDEV}"
fi
# Setup encryption if necessary
if [ "${PARTENC}" = "ON" -a "${PARTFS}" != "SWAP" ]
then
echo_log "Creating geli provider for ${PARTDEV}"
if [ -e "${PARTDIR}-enc/${PART}-encpass" ] ; then
# Using a passphrase
rc_halt "dd if=/dev/random of=${GELIKEYDIR}/${PART}.key bs=64 count=1"
rc_halt "geli init -J ${PARTDIR}-enc/${PART}-encpass ${PARTDEV}"
rc_halt "geli attach -j ${PARTDIR}-enc/${PART}-encpass ${PARTDEV}"
else
# No Encryption password, use key file
rc_halt "dd if=/dev/random of=${GELIKEYDIR}/${PART}.key bs=64 count=1"
rc_halt "geli init -b -s 4096 -P -K ${GELIKEYDIR}/${PART}.key ${PARTDEV}"
rc_halt "geli attach -p -k ${GELIKEYDIR}/${PART}.key ${PARTDEV}"
fi
EXT=".eli"
else
# No Encryption
EXT=""
fi
case ${PARTFS} in
UFS)
echo_log "NEWFS: ${PARTDEV} - ${PARTFS}"
sleep 2
rc_halt "newfs -t ${PARTXTRAOPTS} ${PARTDEV}${EXT}"
sleep 2
rc_halt "sync"
rc_halt "glabel label ${PARTLABEL} ${PARTDEV}${EXT}"
rc_halt "sync"
# Set flag that we've found a boot partition
if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
HAVEBOOT="YES"
fi
sleep 2
;;
UFS+S)
echo_log "NEWFS: ${PARTDEV} - ${PARTFS}"
sleep 2
rc_halt "newfs -t ${PARTXTRAOPTS} -U ${PARTDEV}${EXT}"
sleep 2
rc_halt "sync"
rc_halt "glabel label ${PARTLABEL} ${PARTDEV}${EXT}"
rc_halt "sync"
# Set flag that we've found a boot partition
if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
HAVEBOOT="YES"
fi
sleep 2
;;
UFS+SUJ)
echo_log "NEWFS: ${PARTDEV} - ${PARTFS}"
sleep 2
rc_halt "newfs -t ${PARTXTRAOPTS} -U ${PARTDEV}${EXT}"
sleep 2
rc_halt "sync"
rc_halt "tunefs -j enable ${PARTDEV}${EXT}"
sleep 2
rc_halt "sync"
rc_halt "glabel label ${PARTLABEL} ${PARTDEV}${EXT}"
rc_halt "sync"
# Set flag that we've found a boot partition
if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
HAVEBOOT="YES"
fi
sleep 2
;;
UFS+J)
echo_log "NEWFS: ${PARTDEV} - ${PARTFS}"
sleep 2
rc_halt "newfs ${PARTDEV}${EXT}"
sleep 2
rc_halt "gjournal label -f ${PARTDEV}${EXT}"
sleep 2
rc_halt "newfs ${PARTXTRAOPTS} -O 2 -J ${PARTDEV}${EXT}.journal"
sleep 2
rc_halt "sync"
rc_halt "glabel label ${PARTLABEL} ${PARTDEV}${EXT}.journal"
rc_halt "sync"
# Set flag that we've found a boot partition
if [ "$PARTMNT" = "/boot" -o "${PARTMNT}" = "/" ] ; then
HAVEBOOT="YES"
fi
sleep 2
;;
ZFS)
echo_log "NEWFS: ${PARTDEV} - ${PARTFS}"
setup_zfs_filesystem "${PARTDEV}" "${PARTFS}" "${PARTMNT}" "${EXT}" "${PARTGEOM}" "${PARTXTRAOPTS}"
;;
SWAP)
rc_halt "sync"
rc_halt "glabel label ${PARTLABEL} ${PARTDEV}${EXT}"
rc_halt "sync"
sleep 2
;;
IMAGE)
write_image "${PARTIMAGE}" "${PARTDEV}"
sleep 2
;;
*) exit_err "ERROR: Got unknown file-system type $PARTFS" ;;
esac
done
};