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"
37 PROGRESS_MONITOR="snf-progress-monitor"
39 progress_monitor_support="@progress_monitor_support@"
47 get_api5_arguments() {
49 # Note the quotes around `$TEMP': they are essential!
50 eval set -- "$GETOPT_RESULT"
53 -i|-n) instance=$2; shift 2;;
55 -o) old_name=$2; shift 2;;
57 -b) blockdev=$2; shift 2;;
59 -s) swapdev=$2; shift 2;;
63 *) log_error "Internal error!" >&2; exit 1;;
66 if [ -z "$instance" -o -z "$blockdev" ]; then
67 log_error "Missing OS API Argument (-i, -n, or -b)"
70 if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev" ]; then
71 log_error "Missing OS API Argument -s (swapdev)"
74 if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name" ]; then
75 log_error "Missing OS API Argument -o (old_name)"
80 get_api10_arguments() {
81 if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then
82 log_error "Missing OS API Variable:"
83 log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"
86 instance=$INSTANCE_NAME
87 if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then
88 log_error "At least one disk is needed"
91 if [ "$SCRIPT_NAME" = "export" ]; then
92 if [ -z "$EXPORT_DEVICE" ]; then
93 log_error "Missing OS API Variable EXPORT_DEVICE"
95 blockdev=$EXPORT_DEVICE
96 elif [ "$SCRIPT_NAME" = "import" ]; then
97 if [ -z "$IMPORT_DEVICE" ]; then
98 log_error "Missing OS API Variable IMPORT_DEVICE"
100 blockdev=$IMPORT_DEVICE
102 blockdev=$DISK_0_PATH
104 if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then
105 log_error "Missing OS API Variable OLD_INSTANCE_NAME"
107 old_name=$OLD_INSTANCE_NAME
110 get_api20_arguments() {
112 if [ -z "$OSP_IMG_ID" ]; then
113 log_error "Missing OS API Parameter: OSP_IMG_ID"
116 if [ -z "$OSP_IMG_FORMAT" ]; then
117 log_error "Missing OS API Parameter: OSP_IMG_FORMAT"
120 if [ -z "$OSP_IMG_PASSWD" ]; then
121 log_error "Missing OS API Parameter: OSP_IMG_PASSWD"
126 IMG_FORMAT=$OSP_IMG_FORMAT
127 IMG_PASSWD=$OSP_IMG_PASSWD
128 if [ -n "$OSP_IMG_PERSONALITY" ]; then
129 IMG_PERSONALITY=$OSP_IMG_PERSONALITY
135 filesystem_dev_base=$($KPARTX -l -p- $blockdev | \
136 grep -m 1 -- "-1.*$blockdev" | \
138 if [ -z "$filesystem_dev_base" ]; then
139 log_error "Cannot interpret kpartx output and get partition mapping"
142 $KPARTX -a -p- $blockdev > /dev/null
143 filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"
144 if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then
145 log_error "Can't find kpartx mapped partition:" \
146 "/dev/mapper/$filesystem_dev_base"
149 echo "$filesystem_dev"
158 local image_type="$2"
160 declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )
162 # The -f is needed, because we use an optimal alignment and sfdisk complains
163 # about partitions not ending on clylinder boundary.
164 local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"
166 $sfdisk_cmd > /dev/null <<EOF
167 2048,,${part_id["$image_type"]},*
174 local target=$(mktemp -d) || exit 1
175 CLEANUP+=("rmdir $target")
177 dd bs=512 count=2880 if=/dev/zero of=$img
178 mkfs.ext2 -F $img > /dev/null
179 mount $img $target -o loop
180 set | egrep ^snf_export_\\w+=|sed -e 's/^snf_export_/SNF_IMAGE_/' | \
182 echo "export $line" >> $target/rules
187 # this one is only to be called by create
189 if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then
191 GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`
192 if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi
193 get_api5_arguments $GETOPT_RESULT
194 elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then
196 elif [ "$OS_API_VERSION" = "20" ]; then
199 IMAGE_TYPE=$IMG_FORMAT
201 log_error "Unknown OS API VERSION $OS_API_VERSION"
205 if [ -n "$OS_VARIANT" ]; then
206 if [ ! -d "$VARIANTS_DIR" ]; then
207 log_error "OS Variants directory $VARIANTS_DIR doesn't exist"
210 VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"
211 if [ -f "$VARIANT_CONFIG" ]; then
214 if grep -qxF "$OS_VARIANT" variants.list; then
215 log_error "ERROR: instance-image configuration error"
216 log_error " Published variant $OS_VARIANT is missing its config" \
218 log_error " Please create $VARIANT_CONFIG or unpublish the variant"
219 log_error " (by removing $OS_VARIANT from variants.list)"
221 log_error "Unofficial variant $OS_VARIANT is unsupported"
222 log_error "Most probably this is a user error, forcing a wrong name"
223 log_error "To support this variant please create file" \
233 # if something fails here, it souldn't call cleanup again...
235 if [ ${#CLEANUP[*]} -gt 0 ]; then
236 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
237 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
238 for i in $REVERSE_INDEXES; do
239 # If something fails here, it's better to retry it for a few times
240 # before we give up with an error. This is needed for kpartx when
241 # dealing with ntfs partitions mounted through fuse. umount is not
242 # synchronous and may return while the partition is still busy. A
243 # premature attempt to delete partition mappings through kpartx on a
244 # device that hosts previously mounted ntfs partition may fail with
245 # an `device-mapper: remove ioctl failed: Device or resource busy'
246 # error. A sensible workaround for this is to wait for a while and
248 local cmd=${CLEANUP[$i]}
249 $cmd || for interval in 0.25 0.5 1 2 4; do
250 echo "Command $cmd failed!"
251 echo "I'll wait for $interval secs and will retry..."
255 if [ "$?" != "0" ]; then
265 DEFAULT_FILE="@sysconfdir@/default/snf-image"
266 if [ -f "$DEFAULT_FILE" ]; then
271 : ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}
272 : ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}
273 : ${HELPER_DIR:="@HELPER_DIR@"}
274 : ${HELPER_IMG:="@HELPER_IMG@"}
275 : ${HELPER_KERNEL:="@HELPER_KERNEL@"}
276 : ${HELPER_INITRD:="@HELPER_INITRD@"}
277 : ${HELPER_PKG:="@HELPER_DIR@/snf-image-helper.deb"}
278 : ${HELPER_SOFT_TIMEOUT=15}
279 : ${HELPER_HARD_TIMEOUT=5}
280 : ${HELPER_USER="nobody"}
282 SCRIPT_NAME=$(basename $0)
284 if [ -f /sbin/blkid -a -x /sbin/blkid ]; then
285 VOL_ID="/sbin/blkid -c /dev/null -o value -s UUID"
286 VOL_TYPE="/sbin/blkid -c /dev/null -o value -s TYPE"
288 for dir in /lib/udev /sbin; do
289 if [ -f $dir/vol_id -a -x $dir/vol_id ]; then
290 VOL_ID="$dir/vol_id -u"
291 VOL_TYPE="$dir/vol_id -t"
296 if [ -z "$VOL_ID" ]; then
297 log_error "vol_id or blkid not found, please install udev or util-linux"
301 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :