Synnefo » snf-image

Nikos Skalkotos <skalkoto@grnet.gr>

Constantinos Venetsanopoulos <cven@grnet.gr>

Copyright 2011 GRNET S.A. All rights reserved.

Redistribution and use in source and binary forms, with or

without modification, are permitted provided that the following

conditions are met:

   1. Redistributions of source code must retain the above

      copyright notice, this list of conditions and the following

      disclaimer.

   2. Redistributions in binary form must reproduce the above

      copyright notice, this list of conditions and the following

      disclaimer in the documentation and/or other materials

      provided with the distribution.

THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

POSSIBILITY OF SUCH DAMAGE.

The views and conclusions contained in the software and

documentation are those of the authors and should not be

interpreted as representing official policies, either expressed

or implied, of GRNET S.A.

2011-10-04	Nikos Skalkotos <skalkoto@grnet.gr>

	* Initial release v0.1

if PROGMONSUPPORT

progress_monitor_support=yes

else

progress_monitor_support=no

endif

osname=$(PACKAGE)

osdir=$(OS_DIR)/$(osname)

defaultdir=$(DEFAULT_DIR)

variantsdir=${sysconfdir}/ganeti/snf-image/variants

dist_os_SCRIPTS = ${srcdir}/create ${srcdir}/import ${srcdir}/export \

			${srcdir}/rename ${srcdir}/verify

dist_os_DATA = ${srcdir}/ganeti_api_version ${srcdir}/parameters.list \

               ${srcdir}/variants.list

os_DATA = common.sh

edit = sed \

	   -e 's|@sysconfdir[@]|$(sysconfdir)|g' \

	   -e 's|@localstatedir[@]|$(localstatedir)|g' \

	   -e 's|@osdir[@]|$(osdir)|g' \

	   -e 's|@osname[@]|$(osname)|g' \

	   -e 's|@defaultdir[@]|$(defaultdir)|g' \

	   -e 's|@HELPER[@]|$(HELPER)|g' \

	   -e 's|@HELPER_KERNEL[@]|$(HELPER_KERNEL)|g' \

	   -e 's|@HELPER_INITRD[@]|$(HELPER_INITRD)|g' \

	   -e 's|@AWK[@]|$(AWK)|g' \

	   -e 's|@MKDIR_P[@]|$(MKDIR_P)|g' \

	   -e 's|@LOSETUP[@]|$(LOSETUP)|g' \

	   -e 's|@KPARTX[@]|$(KPARTX)|g' \

	   -e 's|@SFDISK[@]|$(SFDISK)|g' \

	   -e 's|@INSTALL_MBR[@]|$(INSTALL_MBR)|g' \

	   -e 's|@progress_monitor_support[@]|$(progress_monitor_support)|g' \

	   -e 's|@PROGRESS_MONITOR[@]|$(PROGRESS_MONITOR)|g'

common.sh: Makefile

	rm -f $@ $@.tmp

	srcdir=''; \

		   test -f ./$@.in || srcdir=$(srcdir)/; \

		   $(edit) $${srcdir}$@.in >$@.tmp

	mv $@.tmp $@

install-exec-local:

	@mkdir_p@ "$(DESTDIR)$(osdir)"

	@mkdir_p@ "$(DESTDIR)$(variantsdir)"

	touch "$(DESTDIR)$(variantsdir)/default.conf"

CLEANFILES = $(os_DATA)

#!/bin/sh

if test ! -f configure.ac ; then

  echo "You must execute this script from the top level directory."

  exit 1

fi

set -e

rm -rf config.cache autom4te.cache

mkdir -p autotools

${ACLOCAL:-aclocal} -I autotools

${AUTOCONF:-autoconf}

${AUTOMAKE:-automake} --add-missing

rm -rf autom4te.cache

# Copyright 2011 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

#   1. Redistributions of source code must retain the above copyright

#      notice, this list of conditions and the following disclaimer.

#

#  2. Redistributions in binary form must reproduce the above copyright

#     notice, this list of conditions and the following disclaimer in the

#     documentation and/or other materials provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

# SUCH DAMAGE.

#

# The views and conclusions contained in the software and documentation are

# those of the authors and should not be interpreted as representing official

# policies, either expressed or implied, of GRNET S.A.

AWK="awk"

KPARTX="kpartx"

LOSETUP="losetup"

SFDISK="sfdisk"

PROGRESS_MONITOR="snf-progress-monitor"

INSTALL_MBR="install-mbr"

TIMELIMIT="timelimit"

progress_monitor_support="@progress_monitor_support@"

CLEANUP=( )

log_error() {

    echo "$@" >&2

}

get_api5_arguments() {

    GETOPT_RESULT=$*

    # Note the quotes around `$TEMP': they are essential!

    eval set -- "$GETOPT_RESULT"

    while true; do

        case "$1" in

            -i|-n) instance=$2; shift 2;;

            -o) old_name=$2; shift 2;;

            -b) blockdev=$2; shift 2;;

            -s) swapdev=$2; shift 2;;

            --) shift; break;;

            *)  log_error "Internal error!" >&2; exit 1;;

        esac

    done

    if [ -z "$instance" -o -z "$blockdev" ]; then

        log_error "Missing OS API Argument (-i, -n, or -b)"

        exit 1

    fi

    if [ "$SCRIPT_NAME" != "export" -a -z "$swapdev"  ]; then

        log_error "Missing OS API Argument -s (swapdev)"

        exit 1

    fi

    if [ "$SCRIPT_NAME" = "rename" -a -z "$old_name"  ]; then

        log_error "Missing OS API Argument -o (old_name)"

        exit 1

    fi

}

get_api10_arguments() {

    if [ -z "$INSTANCE_NAME" -o -z "$HYPERVISOR" -o -z "$DISK_COUNT" ]; then

        log_error "Missing OS API Variable:"

        log_error "(INSTANCE_NAME HYPERVISOR or DISK_COUNT)"

        exit 1

    fi

    instance=$INSTANCE_NAME

    if [ $DISK_COUNT -lt 1 -o -z "$DISK_0_PATH" ]; then

        log_error "At least one disk is needed"

        exit 1

    fi

    if [ "$SCRIPT_NAME" = "export" ]; then

        if [ -z "$EXPORT_DEVICE" ]; then

        log_error "Missing OS API Variable EXPORT_DEVICE"

    fi

    blockdev=$EXPORT_DEVICE

    elif [ "$SCRIPT_NAME" = "import" ]; then

        if [ -z "$IMPORT_DEVICE" ]; then

        log_error "Missing OS API Variable IMPORT_DEVICE"

        fi

        blockdev=$IMPORT_DEVICE

    else

        blockdev=$DISK_0_PATH

    fi

    if [ "$SCRIPT_NAME" = "rename" -a -z "$OLD_INSTANCE_NAME" ]; then

        log_error "Missing OS API Variable OLD_INSTANCE_NAME"

    fi

    old_name=$OLD_INSTANCE_NAME

}

get_api20_arguments() {

    get_api10_arguments

    if [ -z "$OSP_IMG_ID" ]; then

        log_error "Missing OS API Parameter: OSP_IMG_ID"

        exit 1

    fi

    if [ -z "$OSP_IMG_FORMAT" ]; then

        log_error "Missing OS API Parameter: OSP_IMG_FORMAT"

        exit 1

    fi

    if [ -z "$OSP_IMG_PASSWD" ]; then

        log_error "Missing OS API Parameter: OSP_IMG_PASSWD"

        exit 1

    fi

    IMG_ID=$OSP_IMG_ID

    IMG_FORMAT=$OSP_IMG_FORMAT

    IMG_PASSWD=$OSP_IMG_PASSWD

    if [ -n "$OSP_IMG_PERSONALITY" ]; then

        IMG_PERSONALITY=$OSP_IMG_PERSONALITY

    fi

}

map_disk0() {

    blockdev="$1"

    filesystem_dev_base=$($KPARTX -l -p- $blockdev | \

                            grep -m 1 -- "-1.*$blockdev" | \

                            $AWK '{print $1}')

    if [ -z "$filesystem_dev_base" ]; then

        log_error "Cannot interpret kpartx output and get partition mapping"

        exit 1

    fi

    $KPARTX -a -p- $blockdev > /dev/null

    filesystem_dev="/dev/mapper/${filesystem_dev_base/%-1/}"

    if [ ! -b "/dev/mapper/$filesystem_dev_base" ]; then

        log_error "Can't find kpartx mapped partition:" \

                                            "/dev/mapper/$filesystem_dev_base"

        exit 1

    fi

    echo "$filesystem_dev"

}

unmap_disk0() {

    $KPARTX -d -p- $1

}

format_disk0() {

    local device="$1"

    local image_type="$2"

    declare -A part_id=( ['extdump']="83" ["ntfsdump"]="7" )

    # The -f is needed, because we use an optimal alignment and sfdisk complains

    # about partitions not ending on clylinder boundary.

    local sfdisk_cmd="$SFDISK -uS -H 255 -S 63 -f --quiet --Linux --DOS $device"

    $sfdisk_cmd > /dev/null <<EOF

2048,,${part_id["$image_type"]},*

EOF

}

create_floppy() {

    local img=$1

    local target=$(mktemp -d) || exit 1

    CLEANUP+=("rmdir $target")

    dd bs=512 count=2880 if=/dev/zero of=$img

    mkfs.ext2 -F $img > /dev/null

    mount $img $target -o loop

    set | egrep ^snf_export_\\w+=|sed -e 's/^snf_export_/SNF_IMAGE_/' | \

    while read line; do

        echo "export $line" >> $target/rules

    done

    umount $target

}

cleanup() {

    if [ ${#CLEANUP[*]} -gt 0 ]; then

        LAST_ELEMENT=$((${#CLEANUP[*]}-1))

        REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)

        for i in $REVERSE_INDEXES; do

            ${CLEANUP[$i]}

        done

    fi

}

trap cleanup EXIT

DEFAULT_FILE="@sysconfdir@/default/snf-image"

if [ -f "$DEFAULT_FILE" ]; then

    . "$DEFAULT_FILE"

fi

: ${ARCH:="x86_64"}

: ${VARIANTS_DIR:="@sysconfdir@/ganeti/snf-image/variants"}

: ${IMAGE_DIR:="@localstatedir@/lib/snf-image"}

: ${HELPER:="@HELPER@"}

: ${HELPER_KERNEL:="@HELPER_KERNEL@"}

: ${HELPER_INITRD:="@HELPER_INITRD@"}

: ${HELPER_SOFT_TIMEOUT=120}

: ${HELPER_HARD_TIMEOUT=15}

: ${HELPER_USR="nobody"}

SCRIPT_NAME=$(basename $0)

if [ -f /sbin/blkid -a -x /sbin/blkid ]; then

    VOL_ID="/sbin/blkid -c /dev/null -o value -s UUID"

    VOL_TYPE="/sbin/blkid -c /dev/null -o value -s TYPE"

else

    for dir in /lib/udev /sbin; do

        if [ -f $dir/vol_id -a -x $dir/vol_id ]; then

            VOL_ID="$dir/vol_id -u"

            VOL_TYPE="$dir/vol_id -t"

        fi

    done

fi

if [ -z "$VOL_ID" ]; then

    log_error "vol_id or blkid not found, please install udev or util-linux"

    exit 1

fi

if [ -z "$OS_API_VERSION" -o "$OS_API_VERSION" = "5" ]; then

    OS_API_VERSION=5

    GETOPT_RESULT=`getopt -o o:n:i:b:s: -n '$0' -- "$@"`

    if [ $? != 0 ] ; then log_error "Terminating..."; exit 1 ; fi

    get_api5_arguments $GETOPT_RESULT

elif [ "$OS_API_VERSION" = "10" -o "$OS_API_VERSION" = "15" ]; then

    get_api10_arguments

elif [ "$OS_API_VERSION" = "20" ]; then

    get_api20_arguments

    IMAGE_NAME=$IMG_ID

    IMAGE_TYPE=$IMG_FORMAT

else

    log_error "Unknown OS API VERSION $OS_API_VERSION"

    exit 1

fi

if [ -n "$OS_VARIANT" ]; then

    if [ ! -d "$VARIANTS_DIR" ]; then

        log_error "OS Variants directory $VARIANTS_DIR doesn't exist"

        exit 1

    fi

    VARIANT_CONFIG="$VARIANTS_DIR/$OS_VARIANT.conf"

    if [ -f "$VARIANT_CONFIG" ]; then

        . "$VARIANT_CONFIG"

    else

        if grep -qxF "$OS_VARIANT" variants.list; then

            log_error "ERROR: instance-image configuration error"

            log_error "  Published variant $OS_VARIANT is missing its config" \

                      "file"

            log_error "  Please create $VARIANT_CONFIG or unpublish the variant"

            log_error "  (by removing $OS_VARIANT from variants.list)"

        else

            log_error "Unofficial variant $OS_VARIANT is unsupported"

            log_error "Most probably this is a user error, forcing a wrong name"

            log_error "To support this variant please create file" \

                        "$VARIANT_CONFIG"

        fi

        exit 1

    fi

fi

# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :

AC_PREREQ(2.59)

AC_INIT(snf-image, 0.1, synnefo@lists.grnet.gr)

AC_CONFIG_AUX_DIR(autotools)

AC_CONFIG_SRCDIR(configure)

AM_INIT_AUTOMAKE([1.9 foreign tar-ustar -Wall -Wno-portability])

AM_INIT_AUTOMAKE([subdir-objects])

# --with-progress-monitor

AC_ARG_WITH([progress-monitor],

  [AS_HELP_STRING([--with-progress-monitor=PRGRM_PATH],

    [path to progress-monitor program]

    [[snf-progress-monitor]])],

    [if test "$withval" = "yes" ; then

    AC_PATH_PROG(PROGRESS_MONITOR, [snf-progress-monitor], [], [$PATH:/usr/sbin:/sbin])

    if test -z "$PROGRESS_MONITOR" ; then

        AC_MSG_FAILURE([Could not find snf-progress-monitor.])

    fi

   else

       PROGRESS_MONITOR="$withval"

   fi],

   [AC_MSG_NOTICE(progress-monitor support not enabled)]

)

AM_CONDITIONAL(PROGMONSUPPORT, [test -n "$PROGRESS_MONITOR"])

# --with-helper..

AC_ARG_WITH([helper],

    [AS_HELP_STRING([--with-helper=IMG_PATH],

        [Path to helper VM image [LOCALSTATEDIR/lib/snf-image/helper.img]]

    )],

    [helper="$withval"],

    [helper="$localstatedir/lib/snf-image/helper.img"])

AC_SUBST(HELPER, $helper)

# --with-helper-kernel

AC_ARG_WITH([helper_kernel],

    [AS_HELP_STRING([--with-helper-kernel=KERNEL_PATH],

        [Path to a kernel to use to boot the helper VM image 

        [LOCALSTATEDIR/lib/snf-image/helper-kernel]]

    )],

    [helper_ernel="$withval"],

    [helper_kernel="$localstatedir/lib/snf-image/helper-kernel"])

AC_SUBST(HELPER_KERNEL, ${helper_kernel})

# --with-helper-initrd..

AC_ARG_WITH([helper_initrd],

    [AS_HELP_STRING([--with-helper-initrd=INITRD_PATH],

        [Path to an initial ramdisk to use to boot the helper VM image

        [LOCALSTATEDIR/lib/snf-image/helper-initrd]]

    )],

    [helper_initrd="$withval"],

    [helper_initrd="$localstatedir/lib/snf-image/helper-initrd"])

AC_SUBST(HELPER_INITRD, ${helper_initrd})

# --with-os-dir=...

AC_ARG_WITH([os-dir],

    [AS_HELP_STRING([--with-os-dir=DIR],

        [top-level OS directory under which to install [DATADIR/ganeti/os]]

    )],

    [os_dir="$withval"],

    [os_dir="$datadir/ganeti/os"])

AC_SUBST(OS_DIR, $os_dir)

# --with-default-dir=...

AC_ARG_WITH([default-dir],

    [AS_HELP_STRING([--with-default-dir=DIR],

        [top-level default config directory under which to install]

        [ [SYSCONFDIR/default]]

    )],

    [default_dir="$withval"],

    [default_dir="$sysconfdir/default"])

AC_SUBST(DEFAULT_DIR, $default_dir)

# Check common programs

AC_PROG_INSTALL

AC_PROG_LN_S

AC_PROG_AWK

AC_PROG_MKDIR_P

AC_PATH_PROG(LOSETUP, [losetup], [], [$PATH:/usr/sbin:/sbin])

if test -z "$LOSETUP" ; then

  AC_MSG_ERROR([losetup not found in $PATH:/usr/sbin:/sbin])

fi

AC_PATH_PROG(KPARTX, [kpartx], [], [$PATH:/usr/sbin:/sbin])

if test -z "$KPARTX" ; then

  AC_MSG_ERROR([kpartx not found in $PATH:/usr/sbin:/sbin])

fi

AC_PATH_PROG(SFDISK, [sfdisk], [], [$PATH:/usr/sbin:/sbin])

if test -z "$SFDISK" ; then

  AC_MSG_ERROR([sfdisk not found in $PATH:/usr/sbin:/sbin])

fi

AC_PATH_PROG(TIMELIMIT, [timelimit], [], [$PATH:/usr/sbin:/sbin])

if test -z "$TIMELIMIT" ; then

  AC_MSG_ERROR([timelimit not found in $PATH:/usr/sbin:/sbin])

fi

AC_CONFIG_FILES([

    Makefile

])

AC_OUTPUT

# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :

#!/bin/bash

# Copyright 2011 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

#   1. Redistributions of source code must retain the above copyright

#      notice, this list of conditions and the following disclaimer.

#

#  2. Redistributions in binary form must reproduce the above copyright

#     notice, this list of conditions and the following disclaimer in the

#     documentation and/or other materials provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

# SUCH DAMAGE.

#

# The views and conclusions contained in the software and documentation are

# those of the authors and should not be interpreted as representing official

# policies, either expressed or implied, of GRNET S.A.

set -e

. common.sh

case "$IMAGE_TYPE" in

    extdump)

	IMAGE_FILE="${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}.extdump";;

    ntfsdump)

        IMAGE_FILE="${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}.ntfsdump";;

    *)

        log_error "Unknown image type: \`$IMAGE_TYPE'.";

        exit 1

esac

if [ ! -e "$IMAGE_FILE" ]; then

    log_error "Image file \`$IMAGE_FILE' does not exit."

    exit 1

fi

MONITOR="" #Empty if progress monitor support is disabled

if [ "$progress_monitor_support" = "yes" ]; then

    IMAGE_SIZE="$(stat -L -c %s ${IMAGE_FILE})"

    MONITOR="$PROGRESS_MONITOR -i ${INSTANCE_NAME} -r ${IMAGE_SIZE}"

fi

# If the target device is not a real block device we'll first losetup it.

# This is needed for file disks.

if [ ! -b $blockdev ]; then

    ORIGINAL_BLOCKDEV=$blockdev

    blockdev=$($LOSETUP -sf $blockdev)

    CLEANUP+=("$LOSETUP -d $blockdev")

fi

format_disk0 $blockdev ${IMAGE_TYPE}

filesystem_dev=$(map_disk0 $blockdev)

CLEANUP+=("unmap_disk0 $blockdev")

root_dev="${filesystem_dev}-1"

# dd the dump to its new home :-)

# Deploying an image file on a target block device is a streaming

# copy operation. Enable the direct I/O flag on the output fd to 

# avoid polluting the host cache with useless data.

$MONITOR dd bs=4M if=$IMAGE_FILE of=$root_dev oflag=direct

# Create a floppy image

floppy=$(mktemp --tmpdir floppy.XXXXXXXX)

CLEANUP+=("rm -f $floppy")

snf_export_DEV=/dev/vda

snf_export_TYPE=${IMG_FORMAT}

snf_export_PASSWORD=${IMG_PASSWD}

snf_export_HOSTNAME=${instance}

if [ -n "$IMG_PERSONALITY" ]; then

    snf_export_PERSONALITY=${IMG_PERSONALITY}

fi

create_floppy $floppy

# Invoke the helper vm to do the dirty job...

result_file=$(mktemp --tmpdir result.XXXXXXXX)

CLEANUP+=("rm -f $result_file")

$TIMELIMIT -t $HELPER_SOFT_TIMEOUT -T $HELPER_HARD_TIMEOUT \

    kvm -runas $HELPER_USR -drive file=${HELPER},snapshot=on \

    -drive file=$root_dev,format=raw,if=virtio,cache=none \

    -boot c -serial stdio -serial file:$result_file -fda $floppy \

    -vga none -nographic -parallel none -monitor null -nographic \

    -kernel ${HELPER_KERNEL} -initrd ${HELPER_INITRD} \

    -append "quiet ro root=/dev/sda1 console=ttyS0,9600n8" \

    2>&1 | sed 's|^|HELPER: |g'

if [ $? -ne 0 ]; then

    if [ $? -gt 128 ];  then

        log_error "Helper was terminated. Did not finish on time."

    fi

    exit 1

fi

# Read the first line. This will remove \r and \n chars

result=$(sed 's|\r||g' $result_file | xargs echo)

if [ "x$result" != "xSUCCESS" ]; then

    log_error "Helper VM returned error"

    exit 1

fi

# Install a new MBR

$INSTALL_MBR -p 1 -i n ${blockdev}

# Execute cleanups

cleanup

trap - EXIT

exit 0

# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :

# snf-image defaults file

# IMAGE_NAME: Name of the image to use

# Generally you use the name of the image with the version of the OS included.

# Examples include:

#   centos-5.4 debian-4.0 fedora-12

# IMAGE_NAME=""

# IMAGE_DIR: directory location for disk images

# ( default is @localstatedir@/cache/ganeti-instance-image )

# IMAGE_DIR=""

# ARCH: Define the ARCH of the image to use

# Use either x86 or x86_64

# ARCH="x86_64"

# IMAGE_DEBUG: turn on debugging output for the scripts

# IMAGE_DEBUG=0

# HELPER: path to the image file of the helper vm

# HELPER="var/lib/snf-image/helper.img"

# HELPER_KERNEL: path to the kernel, kvm should use to run the helper image

# HELPER_KERNEL="/var/lib/snf-image/helper-kernel"

# HELPER_INITRD: path to the init ramdisk the helper vm should use.

# HELPER_INITRD="/var/lib/snf-image/helper-initrd"

# HELPER_TIMOUT: Soft and hard timeout limits for helper instance.

# Helper instance will be terminated after a given time if it hasn't exited by

# itself. The time to wait before killing the process is specified by those

# variables. When soft/hard limit expires, a SIGTERM/SIGKILL is sent.

# HELPER_SOFT_TIMEOUT="120"

# HELPER_HARD_TIMEOUT="15"

# HELPER_USR: For security reasons, the helper vm is not adviced to to run as

# root. It should drop privileges just before the guest execution starts. The

# user the helper vm should run as is specifies by HELPER_USR variable.

# HELPER_USR="nobody"

# Paths for needed programs. Uncommend and change the variables below, if you

# don't want to use the default one.

# LOSETUP="losetup"

# KPARTX="kpartx"

# SFDISK="sfdisk"

# INSTALL_MBR="install-mbr"

# TIMELIMIT="timelimit"

# if [ "$windows_support" = "yes" ] ; then

#     PROGRESS_MONITOR="snf-progress-monitor"

# fi

#!/bin/bash

exit 0

20

15

10

5

#!/bin/bash

exit 0