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 DATE="date -u" # Time in UTC
30 # Temporary use stderr as monitoring file descriptor.
31 # `create' will overwrite this
34 MSG_TYPE_ERROR="image-error"
35 MSG_TYPE_INFO="image-info"
43 for arg; do cmd+=$(printf "%q " "$arg"); done
58 report="$(./host-monitor.py info <<< "$*")"
59 eval "echo $(printf "%q" "$report") >&${MONITOR_FD}"
70 if [ ${#ERROR_MSGS[@]} -gt 0 ]; then
72 for err in "${ERROR_MSGS[@]}"; do
75 report="$(./host-monitor.py error <<< "$msg")"
77 report=$(./host-monitor.py error <<< "Internal Error: Image deployment failed.")
80 eval "echo $(printf "%q" "$report") >&${MONITOR_FD}"
83 get_api5_arguments() {
85 # Note the quotes around `$TEMP': they are essential!
86 eval set -- "$GETOPT_RESULT"
89 -i|-n) instance=$2; shift 2;;
91 -o) old_name=$2; shift 2;;
93 -b) blockdev=$2; shift 2;;
95 -s) swapdev=$2; shift 2;;
99 *) log_error "Internal error!" >&2; exit 1;;
102 if [ -z "$instance" -o -z "$blockdev" ]; then
103 log_error "Missing OS API Argument (-i, -n, or -b)"
106 if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev" ]; then
107 log_error "Missing OS API Argument -s (swapdev)"
110 if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name" ]; then
111 log_error "Missing OS API Argument -o (old_name)"
116 get_api10_arguments() {
117 if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then
118 log_error "Missing OS API Variable:"
119 log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"
124 xen-hvm|xen-pvm) . xen-common.sh ;;
125 kvm) . kvm-common.sh ;;
126 *) log_error "Unsupported hypervisor: \`$HYPERVISTOR'"; exit 1;;
129 instance=$INSTANCE_NAME
130 if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then
131 log_error "At least one disk is needed"
134 if [ "$SCRIPT_NAME" = "export" ]; then
135 if [ -z "$EXPORT_DEVICE" ]; then
136 log_error "Missing OS API Variable EXPORT_DEVICE"
139 blockdev=$EXPORT_DEVICE
140 elif [ "$SCRIPT_NAME" = "import" ]; then
141 if [ -z "$IMPORT_DEVICE" ]; then
142 log_error "Missing OS API Variable IMPORT_DEVICE"
145 blockdev=$IMPORT_DEVICE
147 blockdev=$DISK_0_PATH
149 if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then
150 log_error "Missing OS API Variable OLD_INSTANCE_NAME"
153 old_name=$OLD_INSTANCE_NAME
156 get_api20_arguments() {
159 local required_osparams="IMG_ID IMG_FORMAT IMG_PASSWD"
160 local osparams="$required_osparams IMG_PROPERTIES IMG_PERSONALITY CONFIG_URL"
162 # Store OSP_VAR in VAR
163 for param in $osparams; do
164 eval $param=\"\$OSP_$param\"
167 if [ -n "$CONFIG_URL" ]; then
168 local config config_params
169 config=$($CURL -f "$CONFIG_URL")
170 config_params=$(./decode-config.py $osparams <<< "$config")
171 eval "$config_params"
174 for var in $required_osparams; do
175 if [ -z "${!var}" ]; then
176 log_error "Missing OS API Parameter: ${var}"
184 filesystem_dev_base=$($KPARTX -l -p- $blockdev | \
185 grep -m 1 -- "-1.*$blockdev" | \
187 if [ -z "$filesystem_dev_base" ]; then
188 log_error "Cannot interpret kpartx output and get partition mapping"
191 $KPARTX -a -p- "$blockdev" > /dev/null
192 filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"
193 if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then
194 log_error "Can't find kpartx mapped partition:" \
195 "/dev/mapper/$filesystem_dev_base"
198 echo "$filesystem_dev"
207 local image_type="$2"
209 declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )
211 # The -f is needed, because we use an optimal alignment and sfdisk complains
212 # about partitions not ending on clylinder boundary.
213 local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"
215 $sfdisk_cmd > /dev/null <<EOF
216 2048,,${part_id["$image_type"]},*
226 add_cleanup rmdir "$target"
228 dd bs=512 count=2880 if=/dev/zero of="$img"
229 mkfs.ext2 -F "$img" > /dev/null
230 mount "$img" "$target" -o loop
231 set | egrep ^snf_export_\\w+= | sed -e 's/^snf_export_/export SNF_IMAGE_/' \
233 if [ -n "$UNATTEND" ]; then
234 if [ -f "$UNATTEND" ]; then
235 cat "$UNATTEND" > "$target/unattend.xml"
237 log_error "Unattend file: \`"$UNATTEND"' does not exist"
247 if [[ "$id" =~ ^pithos: ]]; then
249 elif [[ "$id" =~ ^pithosmap: ]]; then
251 elif [[ "$id" =~ ^(http|ftp)s?: ]]; then
253 elif [ "$id" = "null" ]; then
260 # this one is only to be called by create
262 if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then
264 GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`
265 if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi
266 get_api5_arguments $GETOPT_RESULT
267 elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then
269 elif [ "$OS_API_VERSION" = "20" ]; then
272 IMAGE_TYPE="$IMG_FORMAT"
273 BACKEND_TYPE=$(get_backend_type $IMG_ID)
275 log_error "Unknown OS API VERSION $OS_API_VERSION"
279 if [ -n "$OS_VARIANT" ]; then
280 if [ ! -d "$VARIANTS_DIR" ]; then
281 log_error "OS Variants directory $VARIANTS_DIR doesn't exist"
284 VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"
285 if [ -f "$VARIANT_CONFIG" ]; then
288 if grep -qxF "$OS_VARIANT" variants.list; then
289 log_error "ERROR: instance-image configuration error"
290 log_error " Published variant $OS_VARIANT is missing its" \
292 log_error " Please create $VARIANT_CONFIG or unpublish the" \
294 log_error " (by removing $OS_VARIANT from variants.list)"
296 log_error "Unofficial variant $OS_VARIANT is unsupported"
297 log_error "Most probably this is a user error, forcing a" \
299 log_error "To support this variant please create file" \
312 # Create preferences.d for apt
313 mkdir -p "$target/etc/apt/preferences.d"
314 if [ -d "$MULTISTRAP_APTPREFDIR" ]; then
315 find "$MULTISTRAP_APTPREFDIR" -maxdepth 1 -type f -exec cp {} "$target/etc/apt/preferences.d" \;
318 # Create a policy-rc.d file to deny init script execution
319 mkdir -p "$target/usr/sbin"
320 cat > "$target/usr/sbin/policy-rc.d" <<EOF
324 chmod +x "$target/usr/sbin/policy-rc.d"
326 multistrap -d "$target" -f "$MULTISTRAP_CONFIG" 2>&1 | sed -u -e 's/^/MULTISTRAP: /g'
328 rm "$target/usr/sbin/policy-rc.d"
329 rm -rf "$target/etc/apt/preferences.d"
332 report_and_cleanup() {
338 "$@" &> /dev/null || true
344 if [ $rc -ne 0 ]; then
345 if [ $rc -eq 124 ]; then
346 log_error "Customization VM was terminated. Did not finish on time."
347 report_error "Image customization failed. Did not finish on time."
348 elif [ $rc -eq 137 ]; then # (128 + SIGKILL)
349 log_error "Customization VM was killed. Did not finish on time."
350 report_error "Image customization failed. Did not finish on time."
351 elif [ $rc -eq 141 ]; then # (128 + SIGPIPE)
352 log_error "Customization VM was terminated by a SIGPIPE."
353 log_error "Maybe progress monitor has died unexpectedly."
354 elif [ $rc -eq 125 ]; then
355 log_error "Internal Error. Image customization could not start."
356 log_error "timeout did not manage to run."
358 log_error "Customization VM died unexpectedly (return code $rc)."
362 report_info "Customization VM exited normally."
366 check_helper_result() {
369 if [ "x$result" != "xSUCCESS" ]; then
370 log_error "Image customization failed."
371 report_error "Image customization failed."
377 # if something fails here, it souldn't call cleanup again...
380 if [ ${#CLEANUP[*]} -gt 0 ]; then
381 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
382 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
383 for i in $REVERSE_INDEXES; do
384 # If something fails here, it's better to retry it for a few times
385 # before we give up with an error. This is needed for kpartx when
386 # dealing with ntfs partitions mounted through fuse. umount is not
387 # synchronous and may return while the partition is still busy. A
388 # premature attempt to delete partition mappings through kpartx on
389 # a device that hosts previously mounted ntfs partition may fail
390 # with errors like this one:
391 # `device-mapper: remove ioctl failed: Device or resource busy'
392 # A sensible workaround for this is to wait for a while and then
394 local cmd=${CLEANUP[$i]}
395 $cmd || for interval in 0.25 0.5 1 2 4; do
396 echo "Command $cmd failed!"
397 echo "I'll wait for $interval secs and will retry..."
401 if [ "$?" != "0" ]; then
411 DEFAULT_FILE="@sysconfdir@/default/snf-image"
412 if [ -f "$DEFAULT_FILE" ]; then
416 : ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}
417 : ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}
418 : ${IMAGE_DEBUG:="no"}
419 : ${VERSION_CHECK:="@VERSION_CHECK@"}
420 : ${HELPER_DIR:="@HELPER_DIR@"}
421 : ${HELPER_URL:="@HELPER_URL@"}
422 : ${HELPER_SIZE:="600"}
423 : ${HELPER_SOFT_TIMEOUT:=120}
424 : ${HELPER_HARD_TIMEOUT:=5}
425 : ${HELPER_USER:="nobody"}
426 : ${PITHOS_DB:="sqlite:////@localstatedir@/lib/pithos/backend.db"}
427 : ${PITHOS_DATA:="@localstatedir@/lib/pithos/data/"}
428 : ${PROGRESS_MONITOR:="@PROGRESS_MONITOR@"}
429 : ${UNATTEND:="@UNATTEND@"}
430 : ${XEN_SCRIPTS_DIR="@sysconfdir@/xen/scripts"}
431 : ${MULTISTRAP_CONFIG:="@MULTISTRAP_CONFIG@"}
432 : ${MULTISTRAP_APTPREFDIR:="@MULTISTRAP_APTPREFDIR@"}
434 SCRIPT_NAME=$(basename $0)
436 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :