1 # Copyright 2011 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions
7 # 1. Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
14 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 # The views and conclusions contained in the software and documentation are
27 # those of the authors and should not be interpreted as representing official
28 # policies, either expressed or implied, of GRNET S.A.
35 INSTALL_MBR="install-mbr"
39 PROGRESS_MONITOR="snf-progress-monitor"
41 progress_monitor_support="@progress_monitor_support@"
47 for arg; do cmd+=$(printf "%q " "$arg"); done
55 get_api5_arguments() {
57 # Note the quotes around `$TEMP': they are essential!
58 eval set -- "$GETOPT_RESULT"
61 -i|-n) instance=$2; shift 2;;
63 -o) old_name=$2; shift 2;;
65 -b) blockdev=$2; shift 2;;
67 -s) swapdev=$2; shift 2;;
71 *) log_error "Internal error!" >&2; exit 1;;
74 if [ -z "$instance" -o -z "$blockdev" ]; then
75 log_error "Missing OS API Argument (-i, -n, or -b)"
78 if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev" ]; then
79 log_error "Missing OS API Argument -s (swapdev)"
82 if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name" ]; then
83 log_error "Missing OS API Argument -o (old_name)"
88 get_api10_arguments() {
89 if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then
90 log_error "Missing OS API Variable:"
91 log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"
94 instance=$INSTANCE_NAME
95 if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then
96 log_error "At least one disk is needed"
99 if [ "$SCRIPT_NAME" = "export" ]; then
100 if [ -z "$EXPORT_DEVICE" ]; then
101 log_error "Missing OS API Variable EXPORT_DEVICE"
103 blockdev=$EXPORT_DEVICE
104 elif [ "$SCRIPT_NAME" = "import" ]; then
105 if [ -z "$IMPORT_DEVICE" ]; then
106 log_error "Missing OS API Variable IMPORT_DEVICE"
108 blockdev=$IMPORT_DEVICE
110 blockdev=$DISK_0_PATH
112 if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then
113 log_error "Missing OS API Variable OLD_INSTANCE_NAME"
115 old_name=$OLD_INSTANCE_NAME
118 get_api20_arguments() {
120 if [ -z "$OSP_IMG_ID" ]; then
121 log_error "Missing OS API Parameter: OSP_IMG_ID"
124 if [ -z "$OSP_IMG_FORMAT" ]; then
125 log_error "Missing OS API Parameter: OSP_IMG_FORMAT"
128 if [ -z "$OSP_IMG_PASSWD" ]; then
129 log_error "Missing OS API Parameter: OSP_IMG_PASSWD"
132 if [ -z "$OSP_IMG_PROPERTIES" ]; then
133 log_error "Missing OS API Parameter: OSP_IMG_PROPERTIES"
138 IMG_FORMAT=$OSP_IMG_FORMAT
139 IMG_PASSWD=$OSP_IMG_PASSWD
140 IMG_PROPERTIES=$OSP_IMG_PROPERTIES
141 if [ -n "$OSP_IMG_PERSONALITY" ]; then
142 IMG_PERSONALITY=$OSP_IMG_PERSONALITY
148 filesystem_dev_base=$($KPARTX -l -p- $blockdev | \
149 grep -m 1 -- "-1.*$blockdev" | \
151 if [ -z "$filesystem_dev_base" ]; then
152 log_error "Cannot interpret kpartx output and get partition mapping"
155 $KPARTX -a -p- "$blockdev" > /dev/null
156 filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"
157 if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then
158 log_error "Can't find kpartx mapped partition:" \
159 "/dev/mapper/$filesystem_dev_base"
162 echo "$filesystem_dev"
171 local image_type="$2"
173 declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )
175 # The -f is needed, because we use an optimal alignment and sfdisk complains
176 # about partitions not ending on clylinder boundary.
177 local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"
179 $sfdisk_cmd > /dev/null <<EOF
180 2048,,${part_id["$image_type"]},*
187 local target=$(mktemp -d)
188 add_cleanup rmdir "$target"
190 dd bs=512 count=2880 if=/dev/zero of="$img"
191 mkfs.ext2 -F "$img" > /dev/null
192 mount "$img" "$target" -o loop
193 set | egrep ^snf_export_\\w+=|sed -e 's/^snf_export_/SNF_IMAGE_/' | \
195 echo "export $line" >> "$target/rules"
200 # this one is only to be called by create
202 if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then
204 GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`
205 if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi
206 get_api5_arguments $GETOPT_RESULT
207 elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then
209 elif [ "$OS_API_VERSION" = "20" ]; then
212 IMAGE_TYPE=$IMG_FORMAT
214 log_error "Unknown OS API VERSION $OS_API_VERSION"
218 if [ -n "$OS_VARIANT" ]; then
219 if [ ! -d "$VARIANTS_DIR" ]; then
220 log_error "OS Variants directory $VARIANTS_DIR doesn't exist"
223 VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"
224 if [ -f "$VARIANT_CONFIG" ]; then
227 if grep -qxF "$OS_VARIANT" variants.list; then
228 log_error "ERROR: instance-image configuration error"
229 log_error " Published variant $OS_VARIANT is missing its" \
231 log_error " Please create $VARIANT_CONFIG or unpublish the" \
233 log_error " (by removing $OS_VARIANT from variants.list)"
235 log_error "Unofficial variant $OS_VARIANT is unsupported"
236 log_error "Most probably this is a user error, forcing a" \
238 log_error "To support this variant please create file" \
248 # if something fails here, it souldn't call cleanup again...
250 if [ ${#CLEANUP[*]} -gt 0 ]; then
251 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
252 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
253 for i in $REVERSE_INDEXES; do
254 # If something fails here, it's better to retry it for a few times
255 # before we give up with an error. This is needed for kpartx when
256 # dealing with ntfs partitions mounted through fuse. umount is not
257 # synchronous and may return while the partition is still busy. A
258 # premature attempt to delete partition mappings through kpartx on a
259 # device that hosts previously mounted ntfs partition may fail with
260 # an `device-mapper: remove ioctl failed: Device or resource busy'
261 # error. A sensible workaround for this is to wait for a while and
263 local cmd=${CLEANUP[$i]}
264 $cmd || for interval in 0.25 0.5 1 2 4; do
265 echo "Command $cmd failed!"
266 echo "I'll wait for $interval secs and will retry..."
270 if [ "$?" != "0" ]; then
280 DEFAULT_FILE="@sysconfdir@/default/snf-image"
281 if [ -f "$DEFAULT_FILE" ]; then
286 : ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}
287 : ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}
288 : ${HELPER_DIR:="@HELPER_DIR@"}
289 : ${HELPER_IMG:="@HELPER_IMG@"}
290 : ${HELPER_KERNEL:="@HELPER_KERNEL@"}
291 : ${HELPER_INITRD:="@HELPER_INITRD@"}
292 : ${HELPER_PKG:="@HELPER_DIR@/snf-image-helper.deb"}
293 : ${HELPER_SOFT_TIMEOUT:=15}
294 : ${HELPER_HARD_TIMEOUT:=5}
295 : ${HELPER_USER:="nobody"}
296 : ${HELPER_CACHE_FILE:="@HELPER_DIR@/cache.tar"}
297 : ${HELPER_EXTRA_PKGS:="linux-image-amd64,e2fsprogs,ntfs-3g,ntfsprogs,xmlstarlet,python,parted"}
298 : ${HELPER_MIRROR:=""}
301 SCRIPT_NAME=$(basename $0)
303 if [ -f /sbin/blkid -a -x /sbin/blkid ]; then
304 VOL_ID="/sbin/blkid -c /dev/null -o value -s UUID"
305 VOL_TYPE="/sbin/blkid -c /dev/null -o value -s TYPE"
307 for dir in /lib/udev /sbin; do
308 if [ -f $dir/vol_id -a -x $dir/vol_id ]; then
309 VOL_ID="$dir/vol_id -u"
310 VOL_TYPE="$dir/vol_id -t"
315 if [ -z "$VOL_ID" ]; then
316 log_error "vol_id or blkid not found, please install udev or util-linux"
320 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :