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#!/bin/bash
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set -e
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INSTANCE_NAME="$1"
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if [ -z "$INSTANCE_NAME" ] ; then
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    echo "Must provide a node name!"
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    exit 1
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fi
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info=($(gnt-instance list -o os,hypervisor,disk.count --no-headers --separator=' ' $INSTANCE_NAME))
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OS_VARIANT="${info[0]/*+/}"
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HYPERVISOR="${info[1]}"
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DISK_COUNT="${info[2]}"
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OS_API_VERSION="15"
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# do stuff
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output="$(gnt-instance activate-disks $INSTANCE_NAME)"
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CLEANUP+=("gnt-instance deactivate-disks $INSTANCE_NAME")
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DISK_0_PATH="${output/*disk\/0\:/}"
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. @osdir@/@osname@/common.sh
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if [ -n "$2" ] ; then
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    IMAGE_DIR=$2
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fi
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filesystem_dev=$(map_disk0 $blockdev)
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CLEANUP+=("unmap_disk0 $blockdev")
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root_dev=$(map_partition $filesystem_dev root)
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boot_dev=$(map_partition $filesystem_dev boot)
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if [ -n "$boot_dev" ] ; then
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    echo "Creating dump from $INSTANCE_NAME for boot at ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-boot.dump"
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    dump -0 -q -z9 -f ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-boot.dump $boot_dev
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fi
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echo "Creating dump from $INSTANCE_NAME for root at ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-root.dump"
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dump -0 -q -z9 -f ${IMAGE_DIR}/${IMAGE_NAME}-${ARCH}-root.dump $root_dev