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139 lines
3.0 KiB
Bash
Executable File
139 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#set -x
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usage() {
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printf "Usage: %s [vhd file in secondary storage] [template directory in secondary storage] [template local dir] \n" $(basename $0)
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}
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options='tcp,soft,timeo=133,retrans=1'
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cleanup()
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{
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if [ ! -z $snapshotdir ]; then
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umount $snapshotdir
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if [ $? -eq 0 ]; then
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rmdir $snapshotdir
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fi
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fi
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if [ ! -z $templatedir ]; then
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umount $templatedir
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if [ $? -eq 0 ]; then
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rmdir $templatedir
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fi
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fi
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}
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if [ -z $1 ]; then
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usage
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echo "2#no vhd file path"
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exit 0
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else
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snapshoturl=${1%/*}
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vhdfilename=${1##*/}
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fi
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if [ -z $2 ]; then
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usage
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echo "3#no template path"
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exit 0
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else
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templateurl=$2
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fi
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if [ -z $3 ]; then
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usage
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echo "3#no template local dir"
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exit 0
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else
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tmpltLocalDir=$3
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fi
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snapshotdir=/var/run/cloud_mount/$(uuidgen -r)
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mkdir -p $snapshotdir
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if [ $? -ne 0 ]; then
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echo "4#cann't make dir $snapshotdir"
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exit 0
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fi
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mount -o $options $snapshoturl $snapshotdir
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if [ $? -ne 0 ]; then
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rmdir $snapshotdir
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echo "5#can not mount $snapshoturl to $snapshotdir"
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exit 0
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fi
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templatedir=/var/run/cloud_mount/$tmpltLocalDir
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mkdir -p $templatedir
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if [ $? -ne 0 ]; then
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templatedir=""
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cleanup
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echo "6#cann't make dir $templatedir"
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exit 0
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fi
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mount -o $options $templateurl $templatedir
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if [ $? -ne 0 ]; then
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rmdir $templatedir
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templatedir=""
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cleanup
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echo "7#can not mount $templateurl to $templatedir"
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exit 0
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fi
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VHDUTIL="/opt/cloud/bin/vhd-util"
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copyvhd()
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{
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local desvhd=$1
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local srcvhd=$2
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local parent=
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parent=`$VHDUTIL query -p -n $srcvhd`
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if [ $? -ne 0 ]; then
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echo "30#failed to query $srcvhd"
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cleanup
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exit 0
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fi
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if [[ "${parent}" =~ " no parent" ]]; then
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dd if=$srcvhd of=$desvhd bs=2M
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if [ $? -ne 0 ]; then
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echo "31#failed to dd $srcvhd to $desvhd"
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cleanup
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exit 0
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fi
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else
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copyvhd $desvhd $parent
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$VHDUTIL coalesce -p $desvhd -n $srcvhd
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if [ $? -ne 0 ]; then
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echo "32#failed to coalesce $desvhd to $srcvhd"
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cleanup
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exit 0
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fi
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fi
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}
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templateuuid=$(uuidgen -r)
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desvhd=$templatedir/$templateuuid.vhd
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srcvhd=$snapshotdir/$vhdfilename
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copyvhd $desvhd $srcvhd
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virtualSize=`$VHDUTIL query -v -n $desvhd`
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physicalSize=`ls -l $desvhd | awk '{print $5}'`
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cleanup
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echo "0#$templateuuid#$physicalSize#$virtualSize"
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exit 0
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