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"
29 DATE="date -u" # Time in UTC
31 # Temporary use stderr as monitoring file descriptor.
32 # `create' will overwrite this
35 MSG_TYPE_ERROR="image-error"
36 MSG_TYPE_INFO="image-info"
44 for arg; do cmd+=$(printf "%q " "$arg"); done
59 report="$(./host-monitor.py info <<< "$*")"
60 eval "echo $(printf "%q" "$report") >&${MONITOR_FD}"
71 if [ ${#ERROR_MSGS[@]} -gt 0 ]; then
73 for err in "${ERROR_MSGS[@]}"; do
76 report="$(./host-monitor.py error <<< "$msg")"
78 report=$(./host-monitor.py error <<< "Internal Error: Image deployment failed.")
81 eval "echo $(printf "%q" "$report") >&${MONITOR_FD}"
84 get_api5_arguments() {
86 # Note the quotes around `$TEMP': they are essential!
87 eval set -- "$GETOPT_RESULT"
90 -i|-n) instance=$2; shift 2;;
92 -o) old_name=$2; shift 2;;
94 -b) blockdev=$2; shift 2;;
96 -s) swapdev=$2; shift 2;;
100 *) log_error "Internal error!" >&2; exit 1;;
103 if [ -z "$instance" -o -z "$blockdev" ]; then
104 log_error "Missing OS API Argument (-i, -n, or -b)"
107 if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev" ]; then
108 log_error "Missing OS API Argument -s (swapdev)"
111 if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name" ]; then
112 log_error "Missing OS API Argument -o (old_name)"
117 get_api10_arguments() {
118 if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then
119 log_error "Missing OS API Variable:"
120 log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"
125 xen-hvm|xen-pvm) . xen-common.sh ;;
126 kvm) . kvm-common.sh ;;
127 *) log_error "Unsupported hypervisor: \`$HYPERVISTOR'"; exit 1;;
130 instance=$INSTANCE_NAME
131 if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then
132 log_error "At least one disk is needed"
135 if [ "$SCRIPT_NAME" = "export" ]; then
136 if [ -z "$EXPORT_DEVICE" ]; then
137 log_error "Missing OS API Variable EXPORT_DEVICE"
140 blockdev=$EXPORT_DEVICE
141 elif [ "$SCRIPT_NAME" = "import" ]; then
142 if [ -z "$IMPORT_DEVICE" ]; then
143 log_error "Missing OS API Variable IMPORT_DEVICE"
146 blockdev=$IMPORT_DEVICE
148 blockdev=$DISK_0_PATH
150 if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then
151 log_error "Missing OS API Variable OLD_INSTANCE_NAME"
154 old_name=$OLD_INSTANCE_NAME
157 get_api20_arguments() {
160 local required_osparams="IMG_ID IMG_FORMAT IMG_PASSWD"
161 local osparams="$required_osparams IMG_PROPERTIES IMG_PERSONALITY CONFIG_URL"
163 # Store OSP_VAR in VAR
164 for param in $osparams; do
165 eval $param=\"\$OSP_$param\"
168 if [ -n "$CONFIG_URL" ]; then
169 local config config_params
170 config=$($CURL -f "$CONFIG_URL")
171 config_params=$(./decode-config.py $osparams <<< "$config")
172 eval "$config_params"
175 for var in $required_osparams; do
176 if [ -z "${!var}" ]; then
177 log_error "Missing OS API Parameter: ${var}"
185 filesystem_dev_base=$($KPARTX -l -p- $blockdev | \
186 grep -m 1 -- "-1.*$blockdev" | \
188 if [ -z "$filesystem_dev_base" ]; then
189 log_error "Cannot interpret kpartx output and get partition mapping"
192 $KPARTX -a -p- "$blockdev" > /dev/null
193 filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"
194 if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then
195 log_error "Can't find kpartx mapped partition:" \
196 "/dev/mapper/$filesystem_dev_base"
199 echo "$filesystem_dev"
208 local image_type="$2"
210 declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )
212 # The -f is needed, because we use an optimal alignment and sfdisk complains
213 # about partitions not ending on clylinder boundary.
214 local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"
216 $sfdisk_cmd > /dev/null <<EOF
217 2048,,${part_id["$image_type"]},*
227 add_cleanup rmdir "$target"
229 dd bs=512 count=2880 if=/dev/zero of="$img"
230 mkfs.ext2 -F "$img" > /dev/null
231 mount "$img" "$target" -o loop
232 set | egrep ^snf_export_\\w+= | sed -e 's/^snf_export_/export SNF_IMAGE_/' \
234 if [ -n "$UNATTEND" ]; then
235 if [ -f "$UNATTEND" ]; then
236 cat "$UNATTEND" > "$target/unattend.xml"
238 log_error "Unattend file: \`"$UNATTEND"' does not exist"
248 if [[ "$id" =~ ^pithos: ]]; then
250 elif [[ "$id" =~ ^pithosmap: ]]; then
252 elif [[ "$id" =~ ^(http|ftp)s?: ]]; then
254 elif [ "$id" = "null" ]; then
261 # this one is only to be called by create
263 if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then
265 GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`
266 if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi
267 get_api5_arguments $GETOPT_RESULT
268 elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then
270 elif [ "$OS_API_VERSION" = "20" ]; then
273 IMAGE_TYPE="$IMG_FORMAT"
274 BACKEND_TYPE=$(get_backend_type $IMG_ID)
276 log_error "Unknown OS API VERSION $OS_API_VERSION"
280 if [ -n "$OS_VARIANT" ]; then
281 if [ ! -d "$VARIANTS_DIR" ]; then
282 log_error "OS Variants directory $VARIANTS_DIR doesn't exist"
285 VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"
286 if [ -f "$VARIANT_CONFIG" ]; then
289 if grep -qxF "$OS_VARIANT" variants.list; then
290 log_error "ERROR: instance-image configuration error"
291 log_error " Published variant $OS_VARIANT is missing its" \
293 log_error " Please create $VARIANT_CONFIG or unpublish the" \
295 log_error " (by removing $OS_VARIANT from variants.list)"
297 log_error "Unofficial variant $OS_VARIANT is unsupported"
298 log_error "Most probably this is a user error, forcing a" \
300 log_error "To support this variant please create file" \
313 # Create preferences.d for apt
314 mkdir -p "$target/etc/apt/preferences.d"
315 if [ -d "$MULTISTRAP_APTPREFDIR" ]; then
316 find "$MULTISTRAP_APTPREFDIR" -maxdepth 1 -type f -exec cp {} "$target/etc/apt/preferences.d" \;
319 # Create a policy-rc.d file to deny init script execution
320 mkdir -p "$target/usr/sbin"
321 cat > "$target/usr/sbin/policy-rc.d" <<EOF
325 chmod +x "$target/usr/sbin/policy-rc.d"
327 multistrap -d "$target" -f "$MULTISTRAP_CONFIG" 2>&1 | sed -u -e 's/^/MULTISTRAP: /g'
329 rm "$target/usr/sbin/policy-rc.d"
330 rm -rf "$target/etc/apt/preferences.d"
333 report_and_cleanup() {
339 "$@" &> /dev/null || true
345 if [ $rc -ne 0 ]; then
346 if [ $rc -eq 124 ]; then
347 log_error "Customization VM was terminated. Did not finish on time."
348 report_error "Image customization failed. Did not finish on time."
349 elif [ $rc -eq 137 ]; then # (128 + SIGKILL)
350 log_error "Customization VM was killed. Did not finish on time."
351 report_error "Image customization failed. Did not finish on time."
352 elif [ $rc -eq 141 ]; then # (128 + SIGPIPE)
353 log_error "Customization VM was terminated by a SIGPIPE."
354 log_error "Maybe progress monitor has died unexpectedly."
355 elif [ $rc -eq 125 ]; then
356 log_error "Internal Error. Image customization could not start."
357 log_error "timeout did not manage to run."
359 log_error "Customization VM died unexpectedly (return code $rc)."
363 report_info "Customization VM exited normally."
367 check_helper_result() {
370 if [ "x$result" != "xSUCCESS" ]; then
371 log_error "Image customization failed."
372 report_error "Image customization failed."
378 # if something fails here, it souldn't call cleanup again...
381 if [ ${#CLEANUP[*]} -gt 0 ]; then
382 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
383 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
384 for i in $REVERSE_INDEXES; do
385 # If something fails here, it's better to retry it for a few times
386 # before we give up with an error. This is needed for kpartx when
387 # dealing with ntfs partitions mounted through fuse. umount is not
388 # synchronous and may return while the partition is still busy. A
389 # premature attempt to delete partition mappings through kpartx on
390 # a device that hosts previously mounted ntfs partition may fail
391 # with errors like this one:
392 # `device-mapper: remove ioctl failed: Device or resource busy'
393 # A sensible workaround for this is to wait for a while and then
395 local cmd=${CLEANUP[$i]}
396 $cmd || for interval in 0.25 0.5 1 2 4; do
397 echo "Command $cmd failed!"
398 echo "I'll wait for $interval secs and will retry..."
402 if [ "$?" != "0" ]; then
412 DEFAULT_FILE="@sysconfdir@/default/snf-image"
413 if [ -f "$DEFAULT_FILE" ]; then
417 : ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}
418 : ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}
419 : ${IMAGE_DEBUG:="no"}
420 : ${VERSION_CHECK:="@VERSION_CHECK@"}
421 : ${HELPER_DIR:="@HELPER_DIR@"}
422 : ${HELPER_URL:="@HELPER_URL@"}
423 : ${HELPER_SIZE:="600"}
424 : ${HELPER_SOFT_TIMEOUT:=120}
425 : ${HELPER_HARD_TIMEOUT:=5}
426 : ${HELPER_USER:="nobody"}
427 : ${PITHOS_DB:="sqlite:////@localstatedir@/lib/pithos/backend.db"}
428 : ${PITHOS_DATA:="@localstatedir@/lib/pithos/data/"}
429 : ${PROGRESS_MONITOR:="@PROGRESS_MONITOR@"}
430 : ${UNATTEND:="@UNATTEND@"}
431 : ${XEN_SCRIPTS_DIR="@sysconfdir@/xen/scripts"}
432 : ${MULTISTRAP_CONFIG:="@MULTISTRAP_CONFIG@"}
433 : ${MULTISTRAP_APTPREFDIR:="@MULTISTRAP_APTPREFDIR@"}
435 SCRIPT_NAME=$(basename $0)
437 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :