root / snf-image-helper / snf-image-helper.in @ 107e56e0
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#!/bin/bash |
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# Copyright (C) 2011 GRNET S.A. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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|
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PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin |
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|
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if [ $$ -eq 1 ]; then |
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#mount / -o remount |
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mount -t tmpfs -o size=20m tmpfs /tmp |
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/etc/init.d/udev start |
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#hwclock -u -s |
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|
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(exec $0) & |
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wait |
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exit 0 # Hopefully this is never called... |
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fi |
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|
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export PATH |
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|
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. @commondir@/common.sh |
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|
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set -e |
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|
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# Enable errtrace to make functions inherit the ERR trap |
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set -o errtrace |
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|
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trap report_error ERR |
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|
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if grep snf_image_activate_helper /proc/cmdline > /dev/null; then |
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# terminate helper vm when the script exits |
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add_cleanup system_poweroff |
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else |
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log_error "Kernel command line activation flag: " \ |
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"\`snf_image_activate_helper' is missing" |
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fi |
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|
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prepare_helper |
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|
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if [ ! -b "$FLOPPY_DEV" ]; then |
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log_error "Floppy device is not present!" |
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fi |
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|
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floppy=$(mktemp -d --tmpdir floppy.XXXXXX) |
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add_cleanup rmdir "$floppy" |
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|
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$MOUNT $FLOPPY_DEV $floppy |
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add_cleanup umount "$floppy" |
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|
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if [ -f "$floppy/rules" ]; then |
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source "$floppy/rules" |
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else |
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log_error "Floppy does not contain \`rules\' file" |
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fi |
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|
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if [ -f "$floppy/unattend.xml" ]; then |
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export SNF_IMAGE_UNATTEND="$floppy/unattend.xml" |
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fi |
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|
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if [ -n "$SNF_IMAGE_PROPERTIES" ]; then |
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properties=$(mktemp --tmpdir properties.XXXXXX) |
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add_cleanup rm "$properties" |
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if ! echo "$SNF_IMAGE_PROPERTIES" | \ |
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"@scriptsdir@/decode-properties.py" "$properties"; then |
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|
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log_error "Unable to decode image properties. " \ |
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"Please check if the variable is in valid json format." |
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fi |
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source "$properties" |
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fi |
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|
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# Image mount point... |
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target=$(mktemp -d --tmpdir target.XXXXXX) |
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add_cleanup rmdir "$target" |
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|
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export SNF_IMAGE_TARGET="$target" |
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|
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if [ ! -d "@tasksdir@" ]; then |
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log_error "snf-image/tasks directory is missing" |
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fi |
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|
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RUN_PARTS=$(which run-parts) |
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if [ -z "$RUN_PARTS" ]; then |
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log_error "run-parts program is missing from the system" |
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fi |
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|
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|
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if [ -z "$SNF_IMAGE_PROPERTY_EXCLUDE_ALL_TASKS" ]; then |
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|
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if [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "" ]; then |
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log_error "Required image property \`OSFAMILY' is missing or empty." |
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fi |
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|
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if [ "$SNF_IMAGE_PROPERTY_ROOT_PARTITION" = "" ]; then |
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log_error "Required image property \`ROOT_PARTITION' is missing or empty." |
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fi |
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|
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export SNF_IMAGE_RESIZE_PART="$(get_partition_to_resize "$SNF_IMAGE_DEV")" |
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|
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if [[ ! "$SNF_IMAGE_PROPERTY_OSFAMILY" =~ ^(linux|windows)$ ]]; then |
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log_error "Supported values for OSFAMILY property are: linux|windows" |
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fi |
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|
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# If something goes wrong with the tasks, try to umount the disk file |
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# systems that are still mounted. |
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trap '{ umount_all "$target"; }' ERR |
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|
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# Redirect standard error to standard output, |
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# prepend a timestamp before each line of output. |
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echo "Execute all snf-image tasks...." |
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$RUN_PARTS -v --exit-on-error "@tasksdir@" 2>&1| |
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while read -r line; do |
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echo $($DATE +%Y:%m:%d-%H:%M:%S.%N) "$line" |
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done |
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|
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# Reset the handler to its original value |
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trap report_error ERR |
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fi |
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|
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|
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return_success |
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|
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cleanup |
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trap - EXIT |
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|
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# never called... |
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exit 0 |
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|
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# vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |