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)"

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

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

filesystem_dev=$(map_disk0 $blockdev)

root_dev=$(map_partition $filesystem_dev root)

boot_dev=$(map_partition $filesystem_dev boot)

target="/tmp/${INSTANCE_NAME}_root"

mkdir -p $target

# mount filesystems

mount_disk0 $target

echo "$INSTANCE_NAME is now mounted at $target"

CLEANUP=( )

#!/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)"

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

filesystem_dev="${DISK_0_PATH/\/dev\//}"

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

target="/tmp/${INSTANCE_NAME}_root"

root_dev=$(map_partition $filesystem_dev root)

boot_dev=$(map_partition $filesystem_dev boot)

if [ -n "${boot_dev}" ] ; then

   umount $target/boot

fi

umount $target

rmdir $target

$KPARTX -d -p- $DISK_0_PATH

gnt-instance deactivate-disks $INSTANCE_NAME

CLEANUP=( )