#! /bin/bash
+# Copyright (C) 2011 GRNET S.A.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
### BEGIN TASK INFO
# Provides: FilesystemResizeUnmounted
# RunBefore: MountImage
set -e
. "@commondir@/common.sh"
+trap task_cleanup EXIT
+report_task_start
+# Check if the task should be prevented from running.
+check_if_excluded
+
if [ ! -b "$SNF_IMAGE_DEV" ]; then
log_error "Device file:\`${SNF_IMAGE_DEV}' is not a block device"
fi
-if [ -z "$SNF_IMAGE_TYPE" ]; then
- log_error "Image type does not exist"
+if [ -z "$SNF_IMAGE_RESIZE_PART" ]; then
+ warn "No partition chosen for resize"
+ exit 0
+fi
+
+if [ -n "$SNF_IMAGE_PROPERTY_DO_SYNC" ]; then
+ unset EATMYDATA
fi
-last_partition=$(get_last_partition "$SNF_IMAGE_DEV")
-id=$(echo "$last_partition" | cut -d: -f1)
-ptype=$(echo "$last_partition" | cut -d: -f5)
+table=$(get_partition_table "$SNF_IMAGE_DEV")
+partition=$(get_partition_by_num "$table" "$SNF_IMAGE_RESIZE_PART")
+id=$(cut -d: -f1 <<< "$partition")
+ptype=$(cut -d: -f5 <<< "$partition")
+
+device="${SNF_IMAGE_DEV}${id}"
+
+if [[ "$ptype" == ext[234] ]]; then
+ state=$($TUNE2FS -l "$device" | grep ^Filesystem\ state: | cut -d: -f2);
+ state=$(echo $state) #trim the value
-if [[ "$ptype" =~ ext[234] ]]; then
- device="$SNF_IMAGE_DEV""$id"
- "$RESIZE2FS" "$device"
+ # We force a filesystem resize here if the file system is clean, even if
+ # resize2fs complains. By default resize2fs will refuse to resize a file
+ # system that has been mounted after the last fs check, but since we are
+ # sure the file system is clean it's safe enough to bypass this.
+ if [ "$state" = "clean" ]; then
+ $EATMYDATA $RESIZE2FS -f "$device"
+ else
+ log_error "The file system state of partition: \`$device' " \
+ " is not clean (state = $state)"
+ fi
+elif [[ "$ptype" == "freebsd-ufs" ]]; then
+ $GROWFS_UFS -y "$device"
+else
+ warn "Don't know how to resize partition \`$id' with file system \`$ptype'."
fi
exit 0