Synnefo » Ganeti Instance Image

#!/bin/bash

set -e

INSTANCE_NAME="$1"

if [ -z "$INSTANCE_NAME" ] ; then

    echo "Must provide a node name!"

    exit 1

fi

info=($(gnt-instance list -o os,hypervisor,disk.count --no-headers --separator=' ' $INSTANCE_NAME))

OS_VARIANT="${info[0]/*+/}"

HYPERVISOR="${info[1]}"

DISK_COUNT="${info[2]}"

OS_API_VERSION="15"

# do stuff

output="$(gnt-instance activate-disks $INSTANCE_NAME)"

CLEANUP+=("gnt-instance deactivate-disks $INSTANCE_NAME")

DISK_0_PATH="${output/*disk\/0\:/}"

. /usr/share/ganeti/os/image/common.sh

if [ -n "$2" ] ; then

    IMAGE_DIR=$2

fi

filesystem_dev=$(map_disk0 $blockdev)

root_dev=$(map_partition $filesystem_dev root)

boot_dev=$(map_partition $filesystem_dev boot)

if [ -n "$boot_dev" ] ; then

    echo "Creating dump from $INSTANCE_NAME for boot at ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-boot.dump"

    dump -0 -q -z9 -f ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-boot.dump $boot_dev

fi

echo "Creating dump from $INSTANCE_NAME for root at ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-root.dump"

dump -0 -q -z9 -f ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-root.dump $root_dev

#!/bin/bash

set -e

INSTANCE_NAME="$1"

if [ -z "$INSTANCE_NAME" ] ; then

    echo "Must provide a node name!"

    exit 1

fi

info=($(gnt-instance list -o os,hypervisor,disk.count --no-headers --separator=' ' $INSTANCE_NAME))

OS_VARIANT="${info[0]/*+/}"

HYPERVISOR="${info[1]}"

DISK_COUNT="${info[2]}"

OS_API_VERSION="15"

# do stuff

output="$(gnt-instance activate-disks $INSTANCE_NAME)"

CLEANUP+=("gnt-instance deactivate-disks $INSTANCE_NAME")

DISK_0_PATH="${output/*disk\/0\:/}"

. /usr/share/ganeti/os/image/common.sh

if [ -n "$2" ] ; then

    IMAGE_DIR=$2

fi

echo "Creating qemu-img image from $INSTANCE_NAME to ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}.img"

$QEMU_IMG convert -O qcow2 $DISK_0_PATH ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}.img