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 MSG_TYPE_ERROR="error"
37 for arg; do cmd+=$(printf "%q " "$arg"); done
55 local type="$MSG_TYPE_ERROR"
59 for err in "${ERROR_MSGS[@]}"; do
60 msg+="\"$(sed 's/"/\\"/g' <<< "$err")\","
62 if [ ${#msg} -gt 1 ]; then
63 # remove last comma (,)
68 local stderr="$(cat "$error_file" | sed 's/"/\\"/g')"
70 report="\"type\":\"$type\","
71 report+="\"timestamp\":$(date +%s.%N),"
72 report+="\"location\":\"$location\","
73 report+="\"messages\":$msg,"
74 report+="\"stderr\":\"$stderr\"}"
76 eval "echo $(printf "%q" "$report") >&${monitor_fd}"
79 get_api5_arguments() {
81 # Note the quotes around `$TEMP': they are essential!
82 eval set -- "$GETOPT_RESULT"
85 -i|-n) instance=$2; shift 2;;
87 -o) old_name=$2; shift 2;;
89 -b) blockdev=$2; shift 2;;
91 -s) swapdev=$2; shift 2;;
95 *) log_error "Internal error!" >&2; exit 1;;
98 if [ -z "$instance" -o -z "$blockdev" ]; then
99 log_error "Missing OS API Argument (-i, -n, or -b)"
102 if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev" ]; then
103 log_error "Missing OS API Argument -s (swapdev)"
106 if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name" ]; then
107 log_error "Missing OS API Argument -o (old_name)"
112 get_api10_arguments() {
113 if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then
114 log_error "Missing OS API Variable:"
115 log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"
118 instance=$INSTANCE_NAME
119 if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then
120 log_error "At least one disk is needed"
123 if [ "$SCRIPT_NAME" = "export" ]; then
124 if [ -z "$EXPORT_DEVICE" ]; then
125 log_error "Missing OS API Variable EXPORT_DEVICE"
127 blockdev=$EXPORT_DEVICE
128 elif [ "$SCRIPT_NAME" = "import" ]; then
129 if [ -z "$IMPORT_DEVICE" ]; then
130 log_error "Missing OS API Variable IMPORT_DEVICE"
132 blockdev=$IMPORT_DEVICE
134 blockdev=$DISK_0_PATH
136 if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then
137 log_error "Missing OS API Variable OLD_INSTANCE_NAME"
139 old_name=$OLD_INSTANCE_NAME
142 get_api20_arguments() {
144 if [ -z "$OSP_IMG_ID" ]; then
145 log_error "Missing OS API Parameter: OSP_IMG_ID"
148 if [ -z "$OSP_IMG_FORMAT" ]; then
149 log_error "Missing OS API Parameter: OSP_IMG_FORMAT"
152 if [ -z "$OSP_IMG_PASSWD" ]; then
153 log_error "Missing OS API Parameter: OSP_IMG_PASSWD"
158 IMG_FORMAT=$OSP_IMG_FORMAT
159 IMG_PASSWD=$OSP_IMG_PASSWD
160 if [ -n "$OSP_IMG_PROPERTIES" ]; then
161 IMG_PROPERTIES="$OSP_IMG_PROPERTIES"
163 if [ -n "$OSP_IMG_PERSONALITY" ]; then
164 IMG_PERSONALITY="$OSP_IMG_PERSONALITY"
170 filesystem_dev_base=$($KPARTX -l -p- $blockdev | \
171 grep -m 1 -- "-1.*$blockdev" | \
173 if [ -z "$filesystem_dev_base" ]; then
174 log_error "Cannot interpret kpartx output and get partition mapping"
177 $KPARTX -a -p- "$blockdev" > /dev/null
178 filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"
179 if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then
180 log_error "Can't find kpartx mapped partition:" \
181 "/dev/mapper/$filesystem_dev_base"
184 echo "$filesystem_dev"
193 local image_type="$2"
195 declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )
197 # The -f is needed, because we use an optimal alignment and sfdisk complains
198 # about partitions not ending on clylinder boundary.
199 local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"
201 $sfdisk_cmd > /dev/null <<EOF
202 2048,,${part_id["$image_type"]},*
209 local target=$(mktemp -d)
210 add_cleanup rmdir "$target"
212 dd bs=512 count=2880 if=/dev/zero of="$img"
213 mkfs.ext2 -F "$img" > /dev/null
214 mount "$img" "$target" -o loop
215 set | egrep ^snf_export_\\w+= | sed -e 's/^snf_export_/export SNF_IMAGE_/' \
217 if [ -n "$UNATTEND" ]; then
218 if [ -f "$UNATTEND" ]; then
219 cat "$UNATTEND" > "$target/unattend.xml"
221 log_error "Unattend file: \`"$UNATTEND"' does not exist"
230 if [[ "$id" =~ ^pithos: ]]; then
232 elif [[ "$id" =~ ^(http|ftp)s?: ]]; then
233 if [ "$network_backend_support" = "yes" ]; then
236 log_error "Retrieving images from the network is not supported."
244 # this one is only to be called by create
246 if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then
248 GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`
249 if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi
250 get_api5_arguments $GETOPT_RESULT
251 elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then
253 elif [ "$OS_API_VERSION" = "20" ]; then
256 IMAGE_TYPE="$IMG_FORMAT"
257 BACKEND_TYPE=$(get_backend_type $IMG_ID)
259 log_error "Unknown OS API VERSION $OS_API_VERSION"
263 if [ -n "$OS_VARIANT" ]; then
264 if [ ! -d "$VARIANTS_DIR" ]; then
265 log_error "OS Variants directory $VARIANTS_DIR doesn't exist"
268 VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"
269 if [ -f "$VARIANT_CONFIG" ]; then
272 if grep -qxF "$OS_VARIANT" variants.list; then
273 log_error "ERROR: instance-image configuration error"
274 log_error " Published variant $OS_VARIANT is missing its" \
276 log_error " Please create $VARIANT_CONFIG or unpublish the" \
278 log_error " (by removing $OS_VARIANT from variants.list)"
280 log_error "Unofficial variant $OS_VARIANT is unsupported"
281 log_error "Most probably this is a user error, forcing a" \
283 log_error "To support this variant please create file" \
295 echo "Debootstraping to create a new root filesystem:"
297 # Create a policy-rc.d file to deny init script execution
298 mkdir -p "$target/usr/sbin"
299 cat > "$target/usr/sbin/policy-rc.d" <<EOF
303 chmod +x "$target/usr/sbin/policy-rc.d"
305 debootstrap --arch $(dpkg --print-architecture) \
306 --include "$HELPER_EXTRA_PKGS" --variant=minbase stable "$target" \
307 "$HELPER_MIRROR" 2>&1 | sed -e 's/^/DEBOOTSTRAP: /g'
309 # Save the package list
310 chroot "$target" dpkg-query -W -f "\${Package}\n" > "$HELPER_CACHE_PKGS"
312 rm "$target/usr/sbin/policy-rc.d"
314 # remove the downloaded debs, as they are no longer needed
315 find "$target/var/cache/apt/archives" -type f -name '*.deb' -print0 | \
318 local tmp_cache=$(mktemp "$CACHE_FILE.XXXXXX")
319 tar cf "$tmp_cache" --one-file-system -C "$target" . || \
320 { rm "$tmp_cache"; false; }
321 # Overwrite the default cache file. Not the user specified if present.
322 mv -f "$tmp_cache" "$HELPER_CACHE_FILE"
325 report_and_cleanup(){
330 report_error "$err_file" "$fd"
335 # if something fails here, it souldn't call cleanup again...
338 if [ ${#CLEANUP[*]} -gt 0 ]; then
339 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
340 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
341 for i in $REVERSE_INDEXES; do
342 # If something fails here, it's better to retry it for a few times
343 # before we give up with an error. This is needed for kpartx when
344 # dealing with ntfs partitions mounted through fuse. umount is not
345 # synchronous and may return while the partition is still busy. A
346 # premature attempt to delete partition mappings through kpartx on
347 # a device that hosts previously mounted ntfs partition may fail
348 # with errors like this one:
349 # `device-mapper: remove ioctl failed: Device or resource busy'
350 # A sensible workaround for this is to wait for a while and then
352 local cmd=${CLEANUP[$i]}
353 $cmd || for interval in 0.25 0.5 1 2 4; do
354 echo "Command $cmd failed!"
355 echo "I'll wait for $interval secs and will retry..."
359 if [ "$?" != "0" ]; then
369 DEFAULT_FILE="@sysconfdir@/default/snf-image"
370 if [ -f "$DEFAULT_FILE" ]; then
374 : ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}
375 : ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}
376 : ${HELPER_DIR:="@HELPER_DIR@"}
377 : ${HELPER_IMG:="@HELPER_IMG@"}
378 : ${HELPER_KERNEL:="@HELPER_KERNEL@"}
379 : ${HELPER_INITRD:="@HELPER_INITRD@"}
380 : ${HELPER_PKG:="@HELPER_DIR@/snf-image-helper.deb"}
381 : ${HELPER_SOFT_TIMEOUT:=20}
382 : ${HELPER_HARD_TIMEOUT:=5}
383 : ${HELPER_USER:="nobody"}
384 : ${HELPER_CACHE_FILE:="@HELPER_DIR@/cache.tar"}
385 : ${HELPER_CACHE_PKGS:="@HELPER_DIR@/packages"}
386 : ${HELPER_EXTRA_PKGS:="linux-image-amd64,e2fsprogs,ntfs-3g,ntfsprogs,xmlstarlet,python,parted,reglookup,chntpw,util-linux"}
387 : ${HELPER_MIRROR:=""}
388 : ${PITHOS_DB:="sqlite:////@localstatedir@/lib/pithos/backend.db"}
389 : ${PITHOS_DATA:="@localstatedir@/lib/pithos/data/"}
390 : ${PROGRESS_MONITOR:="@PROGRESS_MONITOR@"}
391 : ${UNATTEND:="@UNATTEND@"}
393 SCRIPT_NAME=$(basename $0)
395 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :