@ -16,84 +16,264 @@
# limitations under the License. #
#--------------------------------------------------------------------------- #
# shellcheck disable=SC2001
set -e
GROW_ROOTFS=${GROW_ROOTFS:-YES}
GROW_ROOTFS=${GROW_ROOTFS^^}
#GROW_FS # list of mountpoints to resize
if [ "${GROW_ROOTFS}" != 'YES' ]; then
echo 'Skipped root filesystem growing.' >&2
exit 0
fi
#
# functions
#
# FreeBSD
if [ -x /etc/rc.d/growfs ]; then
/etc/rc.d/growfs onestart
exit $?
fi
# modified code based on the /etc/rc.d/growfs from FreeBSD
freebsd_growfs()
(
#
# Copyright 2014 John-Mark Gurney
# 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.
#
# $FreeBSD$
#
MOUNT_LINE=$(cat /etc/mtab | grep ' / ' | grep -v '^rootfs')
DEVICE=$(echo "$MOUNT_LINE" | cut -d' ' -f1)
FSTYPE=$(echo "$MOUNT_LINE" | cut -d' ' -f3)
GROWPART=$(which growpart)
_FS="$1"
if [ $? -ne 0 ]; then
echo "growpart command is missing"
exit 1
fi
MOUNT_LINE=$(mount -p | awk -v grow_fs="${_FS}" '
{if ( $2 == grow_fs) print $1, $3;}
')
if [ $(lvdisplay ${DEVICE} 2>/dev/null | wc -l) -eq 0 ]; then
DEVICE=$(findmnt -ln -o SOURCE /)
DISK=$(echo "$DEVICE" | sed 's/[0-9]*$//')
PARTITION=$(echo "$DEVICE" | sed "s|^$DISK||")
LVM="no"
fi
if [ -z "$MOUNT_LINE" ] ; then
echo "GROWFS: No such mountpoint: ${_FS}" >&2
return 1
fi
FSDEV=$(echo "$MOUNT_LINE" | cut -d' ' -f1)
FSTYPE=$(echo "$MOUNT_LINE" | cut -d' ' -f2)
if [ "${LVM}" != "no" ]; then
if [ -f /etc/debian_version ]; then
DEVICE=$(mount | grep ' / ' | grep -v '^rootfs'|cut -d' ' -f1)
fi
PVRESIZE=$(which pvresize)
LVEXTEND=$(which lvextend)
DISK=$(pvdisplay |grep "PV Name"|awk '{print $3}'|sed 's/.$//')
PARTITION=$(pvdisplay |grep "PV Name"|awk '{print $3}'| sed "s|^${DISK}||")
PV=$(pvdisplay |grep "PV Name"|awk '{print $3}')
LV=$(lvdisplay ${DEVICE} |grep "LV Path"|awk '{print $3}')
# when PV is on MSDOS logical partition, detect the umbrella
# extended partition and grow it first
TABLE=$(parted -s ${DISK} print 2>/dev/null | grep 'Partition Table:' | awk '{print $3}')
if [ "${TABLE}" = 'msdos' ] && [ ${PARTITION} -gt 4 ]; then
PARTITION="$(parted -s ${DISK} print | grep 'extended' | awk '{print $1}') $PARTITION"
fi
case "$FSTYPE" in
ufs)
rootdev=${FSDEV#/dev/}
;;
zfs)
pool=${FSDEV%%/*}
rootdev=$(zpool list -v "$pool" | awk 'END { print $1 }')
;;
*)
echo "GROWFS: Mount-point '${_FS}' of type '${FSTYPE}' is not supported!" >&2
return 0
esac
if [ x"$rootdev" = x"${rootdev%/*}" ]; then
# raw device
rawdev="$rootdev"
else
rawdev=$(glabel status | awk '$1 == "'"$rootdev"'" { print $3 }')
if [ x"$rawdev" = x"" ]; then
echo "GROWFS: Unable to found a device for '${rootdev}'!" >&2
return 1
fi
fi
if [ -n "$DEBUG" ]; then
echo "DEVICE: ${rootdev}"
echo "RAW DEVICE: ${rawdev}"
echo "FSTYPE: ${FSTYPE}"
fi
sysctl -b kern.geom.conftxt | awk '
{
lvl=$1
device[lvl] = $3
type[lvl] = $2
idx[lvl] = $7
parttype[lvl] = $13
if (dev == $3) {
for (i = 1; i <= lvl; i++) {
# resize
if (type[i] == "PART") {
pdev = device[i - 1]
cmd[i] = "gpart resize -i " idx[i] " " pdev
if (parttype[i] == "GPT")
cmd[i] = "gpart recover " pdev " ; " cmd[i]
} else if (type[i] == "LABEL") {
continue
} else {
print "unhandled type: " type[i]
exit 1
}
}
for (i = 1; i <= lvl; i++) {
if (cmd[i])
system(cmd[i])
}
exit 0
}
}' dev="$rawdev"
gpart commit "$rootdev"
case "$FSTYPE" in
ufs)
growfs -y /dev/"$rootdev"
;;
zfs)
zpool online -e "$pool" "$rootdev"
;;
esac
)
#
# main
#
if [ -z "${GROW_FS}" ] && [ "${GROW_ROOTFS}" != 'YES' ]; then
echo 'GROWFS: Skipping filesystem resize' >&2
exit 0
fi
if [ -n "$DEBUG" ]; then
echo DEVICE: ${DEVICE}
echo FSTYPE: ${FSTYPE}
echo DISK: ${DISK}
echo PARTITION: ${PARTITION}
# add rootfs ('/') to the GROW_FS if GROW_ROOTFS=YES
if [ "${GROW_ROOTFS}" = 'YES' ] ; then
# duplicates will be removed by the next command
GROW_FS="/ ${GROW_FS}"
fi
(
for PART in ${PARTITION}; do
${GROWPART} ${DISK} ${PART}
done
if [ "${LVM}" != "no" ]; then
${PVRESIZE} ${PV}
${LVEXTEND} -l +100%FREE ${LV}
fi
) || : # don't fail, partition can be already extended by dracut
case "${FSTYPE}" in
ext2|ext3|ext4)
resize2fs ${DEVICE}
;;
xfs)
xfs_growfs /
;;
btrfs)
btrfs filesystem resize max /
;;
# sanitize the GROW_FS
GROW_FS=$(echo "${GROW_FS}" | sed 's/[[:space:]]\+/\n/g' | sed '/^$/d' | sort -u)
OS=$(uname | tr '[:upper:]' '[:lower:]')
case "$OS" in
linux)
GROWPART=$(command -v growpart || true)
if [ -z "${GROWPART}" ]; then
echo "GROWFS: growpart command is missing" >&2
exit 1
fi
;;
freebsd)
if ! [ -x /etc/rc.d/growfs ]; then
echo "GROWFS: growfs command is missing" >&2
exit 1
fi
;;
esac
export DEBUG
_exit_result=0
for _FS in ${GROW_FS} ; do
# FreeBSD
if [ "${OS}" = 'freebsd' ]; then
case "$_FS" in
/)
/etc/rc.d/growfs onestart || _exit_result=$?
;;
*)
freebsd_growfs "$_FS" || _exit_result=$?
;;
esac
continue
fi
# Linux
# try /proc/mounts first otherwise fallback to /etc/mtab
MOUNT_LINE=$(\
if [ -e /proc/mounts ] ; then \
cat /proc/mounts ; \
else \
cat /etc/mtab ; \
fi | awk -v grow_fs="${_FS}" '
{if (($0 !~ /rootfs/) && ($2 == grow_fs)) print $1, $3;}
')
if [ -z "$MOUNT_LINE" ] ; then
echo "GROWFS: No such mountpoint: ${_FS}" >&2
_exit_result=1
continue
fi
DEVICE=$(echo "$MOUNT_LINE" | cut -d' ' -f1)
FSTYPE=$(echo "$MOUNT_LINE" | cut -d' ' -f2)
LVM=$(lvdisplay "${DEVICE}" 2>/dev/null | wc -l)
if [ "$LVM" -eq 0 ]; then
DEVICE=$(findmnt -ln -o SOURCE "$_FS")
DISK=$(echo "$DEVICE" | sed 's/[0-9]*$//')
PARTITION=$(echo "$DEVICE" | sed "s|^$DISK||")
LVM="no"
fi
if [ "${LVM}" != "no" ]; then
# TODO: This should be rewritten to accomodate other PVs - this expects
# that PV name ends with zero or exactly one numeric: /dev/sda1
PVRESIZE=$(which pvresize)
LVEXTEND=$(which lvextend)
DISK=$(pvdisplay | awk '/PV Name/ {sub(/.$/, "", $3); print $3;}')
PARTITION=$(pvdisplay | awk -v d="$DISK" '/PV Name/ {sub("^" d, "", $3); print $3;}')
PV=$(pvdisplay | awk '/PV Name/ {print $3}')
LV=$(lvdisplay "${DEVICE}" | awk '/LV Path/ {print $3}')
# when PV is on MSDOS logical partition, detect the umbrella
# extended partition and grow it first
TABLE=$(parted -s "${DISK}" print 2>/dev/null | awk '/Partition Table:/ {print $3}')
if [ "${TABLE}" = 'msdos' ] && [ "${PARTITION}" -gt 4 ]; then
EXTENDED=$(parted -s "${DISK}" print | awk '/extended/ {print $1}')
PARTITION="${EXTENDED} ${PARTITION}"
fi
fi
if [ -n "$DEBUG" ]; then
echo "DEVICE: ${DEVICE}"
echo "FSTYPE: ${FSTYPE}"
echo "DISK: ${DISK}"
echo "PARTITION: ${PARTITION}"
fi
(
for PART in ${PARTITION}; do
${GROWPART} "${DISK}" "${PART}"
done
if [ "${LVM}" != "no" ]; then
${PVRESIZE} "${PV}"
${LVEXTEND} -l +100%FREE "${LV}"
fi
) || : # don't fail, partition can be already extended by dracut
case "${FSTYPE}" in
ext2|ext3|ext4)
resize2fs "${DEVICE}"
;;
xfs)
xfs_growfs "${_FS}"
;;
btrfs)
btrfs filesystem resize max "${_FS}"
;;
esac
done
exit "$_exit_result"
Petr Ospalý
4 years ago
committed by
GitHub