Synnefo » snf-image

Nikos Skalkotos <skalkoto@grnet.gr>

Constantinos Venetsanopoulos <cven@grnet.gr>

if PROGMONSUPPORT

progress_monitor_support=yes

else

progress_monitor_support=no

endif

osdir=$(OS_DIR)/$(osname)

defaultdir=$(DEFAULT_DIR)

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

dist_os_SCRIPTS = host/create

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

               ${srcdir}/host/variants.list

os_DATA = host/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|@AWK[@]|$(AWK)|g' \

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

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

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

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

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

	   -e 's|@RESIZE2FS[@]|$(RESIZE2FS)|g' \

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

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

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

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

host/common.sh: Makefile

	@mkdir_p@ host

	rm -f $@ $@.tmp

	srcdir=''; \

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

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

	mv $@.tmp $@

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

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-os-dir=...

AC_ARG_WITH([os-dir],

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

        [top-level OS directory under which to install]

        [ (default is $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]

        [ (default is $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])

fi

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

if test -z "$KPARTX" ; then

  AC_MSG_ERROR([kpartx not found in $PATH])

fi

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

if test -z "$SFDISK" ; then

  AC_MSG_ERROR([sfdisk not found in $PATH])

fi

AC_CONFIG_FILES([

    Makefile

])

AC_OUTPUT

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

# 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"

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_api_10_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

}

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

}

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}

: ${CUSTOMIZE_DIR:="@sysconfdir@/ganeti/snf-image/hooks"}

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

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

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 :

#!/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}-root.extdump";;

    ntfsdump)

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

${IMAGE_TYPE}_format_disk0 $blockdev

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

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

# Execute cleanups

cleanup

trap - EXIT

exit 0

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

20

15

10

5

img_id The id of the image to be installed (the id will be the image's file name prefix)

img_format The format of the image to be installed

img_passwd The root password which will be injected into the image 

default