1 # Copyright (C) 2011 GRNET S.A.
2 # Copyright (C) 2007, 2008, 2009 Google Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 INSTALL_MBR="install-mbr"
28 network_backend_support="@network_backend_support@"
30 # Use file descriptors in the range 3-9. File descriptors below 3 are used for
31 # standard input, output, and error, the ones above 9 may be used by the shell
39 for arg; do cmd+=$(printf "%q " "$arg"); done
52 get_api5_arguments() {
54 # Note the quotes around `$TEMP': they are essential!
55 eval set -- "$GETOPT_RESULT"
58 -i|-n) instance=$2; shift 2;;
60 -o) old_name=$2; shift 2;;
62 -b) blockdev=$2; shift 2;;
64 -s) swapdev=$2; shift 2;;
68 *) log_error "Internal error!" >&2; exit 1;;
71 if [ -z "$instance" -o -z "$blockdev" ]; then
72 log_error "Missing OS API Argument (-i, -n, or -b)"
75 if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev" ]; then
76 log_error "Missing OS API Argument -s (swapdev)"
79 if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name" ]; then
80 log_error "Missing OS API Argument -o (old_name)"
85 get_api10_arguments() {
86 if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then
87 log_error "Missing OS API Variable:"
88 log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"
91 instance=$INSTANCE_NAME
92 if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then
93 log_error "At least one disk is needed"
96 if [ "$SCRIPT_NAME" = "export" ]; then
97 if [ -z "$EXPORT_DEVICE" ]; then
98 log_error "Missing OS API Variable EXPORT_DEVICE"
100 blockdev=$EXPORT_DEVICE
101 elif [ "$SCRIPT_NAME" = "import" ]; then
102 if [ -z "$IMPORT_DEVICE" ]; then
103 log_error "Missing OS API Variable IMPORT_DEVICE"
105 blockdev=$IMPORT_DEVICE
107 blockdev=$DISK_0_PATH
109 if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then
110 log_error "Missing OS API Variable OLD_INSTANCE_NAME"
112 old_name=$OLD_INSTANCE_NAME
115 get_api20_arguments() {
117 if [ -z "$OSP_IMG_ID" ]; then
118 log_error "Missing OS API Parameter: OSP_IMG_ID"
121 if [ -z "$OSP_IMG_FORMAT" ]; then
122 log_error "Missing OS API Parameter: OSP_IMG_FORMAT"
125 if [ -z "$OSP_IMG_PASSWD" ]; then
126 log_error "Missing OS API Parameter: OSP_IMG_PASSWD"
131 IMG_FORMAT=$OSP_IMG_FORMAT
132 IMG_PASSWD=$OSP_IMG_PASSWD
133 if [ -n "$OSP_IMG_PROPERTIES" ]; then
134 IMG_PROPERTIES="$OSP_IMG_PROPERTIES"
136 if [ -n "$OSP_IMG_PERSONALITY" ]; then
137 IMG_PERSONALITY="$OSP_IMG_PERSONALITY"
143 filesystem_dev_base=$($KPARTX -l -p- $blockdev | \
144 grep -m 1 -- "-1.*$blockdev" | \
146 if [ -z "$filesystem_dev_base" ]; then
147 log_error "Cannot interpret kpartx output and get partition mapping"
150 $KPARTX -a -p- "$blockdev" > /dev/null
151 filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"
152 if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then
153 log_error "Can't find kpartx mapped partition:" \
154 "/dev/mapper/$filesystem_dev_base"
157 echo "$filesystem_dev"
166 local image_type="$2"
168 declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )
170 # The -f is needed, because we use an optimal alignment and sfdisk complains
171 # about partitions not ending on clylinder boundary.
172 local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"
174 $sfdisk_cmd > /dev/null <<EOF
175 2048,,${part_id["$image_type"]},*
182 local target=$(mktemp -d)
183 add_cleanup rmdir "$target"
185 dd bs=512 count=2880 if=/dev/zero of="$img"
186 mkfs.ext2 -F "$img" > /dev/null
187 mount "$img" "$target" -o loop
188 set | egrep ^snf_export_\\w+= | sed -e 's/^snf_export_/export SNF_IMAGE_/' \
190 if [ -n "$UNATTEND" ]; then
191 if [ -f "$UNATTEND" ]; then
192 cat "$UNATTEND" > "$target/unattend.xml"
194 log_error "Unattend file: \`"$UNATTEND"' does not exist"
203 if [[ "$id" =~ ^pithos: ]]; then
205 elif [[ "$id" =~ ^(http|ftp)s?: ]]; then
206 if [ "$network_backend_support" = "yes" ]; then
209 log_error "Retrieving images from the network is not supported."
217 # this one is only to be called by create
219 if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then
221 GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`
222 if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi
223 get_api5_arguments $GETOPT_RESULT
224 elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then
226 elif [ "$OS_API_VERSION" = "20" ]; then
229 IMAGE_TYPE="$IMG_FORMAT"
230 BACKEND_TYPE=$(get_backend_type $IMG_ID)
232 log_error "Unknown OS API VERSION $OS_API_VERSION"
236 if [ -n "$OS_VARIANT" ]; then
237 if [ ! -d "$VARIANTS_DIR" ]; then
238 log_error "OS Variants directory $VARIANTS_DIR doesn't exist"
241 VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"
242 if [ -f "$VARIANT_CONFIG" ]; then
245 if grep -qxF "$OS_VARIANT" variants.list; then
246 log_error "ERROR: instance-image configuration error"
247 log_error " Published variant $OS_VARIANT is missing its" \
249 log_error " Please create $VARIANT_CONFIG or unpublish the" \
251 log_error " (by removing $OS_VARIANT from variants.list)"
253 log_error "Unofficial variant $OS_VARIANT is unsupported"
254 log_error "Most probably this is a user error, forcing a" \
256 log_error "To support this variant please create file" \
268 echo "Debootstraping to create a new root filesystem:"
270 # Create a policy-rc.d file to deny init script execution
271 mkdir -p "$target/usr/sbin"
272 cat > "$target/usr/sbin/policy-rc.d" <<EOF
276 chmod +x "$target/usr/sbin/policy-rc.d"
278 debootstrap --arch $(dpkg --print-architecture) \
279 --include "$HELPER_EXTRA_PKGS" --variant=minbase stable "$target" \
280 "$HELPER_MIRROR" 2>&1 | sed -e 's/^/DEBOOTSTRAP: /g'
282 # Save the package list
283 chroot "$target" dpkg-query -W -f "\${Package}\n" > "$HELPER_CACHE_PKGS"
285 rm "$target/usr/sbin/policy-rc.d"
287 # remove the downloaded debs, as they are no longer needed
288 find "$target/var/cache/apt/archives" -type f -name '*.deb' -print0 | \
291 local tmp_cache=$(mktemp "$CACHE_FILE.XXXXXX")
292 tar cf "$tmp_cache" --one-file-system -C "$target" . || \
293 { rm "$tmp_cache"; false; }
294 # Overwrite the default cache file. Not the user specified if present.
295 mv -f "$tmp_cache" "$HELPER_CACHE_FILE"
299 # if something fails here, it souldn't call cleanup again...
301 if [ ${#CLEANUP[*]} -gt 0 ]; then
302 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
303 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
304 for i in $REVERSE_INDEXES; do
305 # If something fails here, it's better to retry it for a few times
306 # before we give up with an error. This is needed for kpartx when
307 # dealing with ntfs partitions mounted through fuse. umount is not
308 # synchronous and may return while the partition is still busy. A
309 # premature attempt to delete partition mappings through kpartx on
310 # a device that hosts previously mounted ntfs partition may fail
311 # with errors like this one:
312 # `device-mapper: remove ioctl failed: Device or resource busy'
313 # A sensible workaround for this is to wait for a while and then
315 local cmd=${CLEANUP[$i]}
316 $cmd || for interval in 0.25 0.5 1 2 4; do
317 echo "Command $cmd failed!"
318 echo "I'll wait for $interval secs and will retry..."
322 if [ "$?" != "0" ]; then
332 DEFAULT_FILE="@sysconfdir@/default/snf-image"
333 if [ -f "$DEFAULT_FILE" ]; then
337 : ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}
338 : ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}
339 : ${HELPER_DIR:="@HELPER_DIR@"}
340 : ${HELPER_IMG:="@HELPER_IMG@"}
341 : ${HELPER_KERNEL:="@HELPER_KERNEL@"}
342 : ${HELPER_INITRD:="@HELPER_INITRD@"}
343 : ${HELPER_PKG:="@HELPER_DIR@/snf-image-helper.deb"}
344 : ${HELPER_SOFT_TIMEOUT:=15}
345 : ${HELPER_HARD_TIMEOUT:=5}
346 : ${HELPER_USER:="nobody"}
347 : ${HELPER_CACHE_FILE:="@HELPER_DIR@/cache.tar"}
348 : ${HELPER_CACHE_PKGS:="@HELPER_DIR@/packages"}
349 : ${HELPER_EXTRA_PKGS:="linux-image-amd64,e2fsprogs,ntfs-3g,ntfsprogs,xmlstarlet,python,parted,reglookup,chntpw,util-linux"}
350 : ${HELPER_MIRROR:=""}
351 : ${PITHOS_DB:="sqlite:////@localstatedir@/lib/pithos/backend.db"}
352 : ${PITHOS_DATA:="@localstatedir@/lib/pithos/data/"}
353 : ${PROGRESS_MONITOR:="@PROGRESS_MONITOR@"}
354 : ${UNATTEND:="@UNATTEND@"}
356 SCRIPT_NAME=$(basename $0)
358 if [ -f /sbin/blkid -a -x /sbin/blkid ]; then
359 VOL_ID="/sbin/blkid -c /dev/null -o value -s UUID"
360 VOL_TYPE="/sbin/blkid -c /dev/null -o value -s TYPE"
362 for dir in /lib/udev /sbin; do
363 if [ -f $dir/vol_id -a -x $dir/vol_id ]; then
364 VOL_ID="$dir/vol_id -u"
365 VOL_TYPE="$dir/vol_id -t"
370 if [ -z "$VOL_ID" ]; then
371 log_error "vol_id or blkid not found, please install udev or util-linux"
375 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :