cloudstack/scripts/storage/secondary/create_privatetemplate_from_snapshot_xen.sh

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#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#set -x
usage() {
printf "Usage: %s -t [template path] -n [template name] -s [snapshot name] -p [snapshot path] \n" $(basename $0)
}
snapshotPath=
snapshotName=
templatePath=
templateName=
while getopts ':s:n:t:p:' OPTION
do
case $OPTION in
t) tflag=1
templatePath="$OPTARG"
;;
n) nflag=1
templateName="$OPTARG"
;;
s) sflag=1
snapshotName="$OPTARG"
;;
p) pflag=1
snapshotPath="$OPTARG"
;;
?) usage
exit 2
;;
esac
done
if [ "$sflag$nflag$tflag$pflag" != "1111" ]
then
usage
exit 1
fi
VHDUTIL="/bin/vhd-util"
desvhd=$templatePath/$templateName
srcvhd=$snapshotPath/$snapshotName
copyvhd()
{
local desvhd=$1
local srcvhd=$2
local parent=
parent=`$VHDUTIL query -p -n $srcvhd`
if [ $? -ne 0 ]; then
echo "30#failed to query $srcvhd"
exit 2
fi
if [[ "${parent}" =~ " no parent" ]]; then
dd if=$srcvhd of=$desvhd bs=2M
if [ $? -ne 0 ]; then
echo "31#failed to dd $srcvhd to $desvhd"
rm -rf $desvhd > /dev/null
exit 0
fi
else
copyvhd $desvhd $parent
$VHDUTIL coalesce -p $desvhd -n $srcvhd
if [ $? -ne 0 ]; then
echo "32#failed to coalesce $desvhd to $srcvhd"
rm -rf $desvhd > /dev/null
exit 0
fi
fi
}
copyvhd $desvhd $srcvhd
imgsize=$(ls -l $desvhd| awk -F" " '{print $5}')
propertyFile=/$templatePath/template.properties
touch $propertyFile
echo -n "" > $propertyFile
echo "filename=$templateName" > $propertyFile
echo "hvm=$hvm" >> $propertyFile
echo "size=$imgsize" >> $propertyFile
exit 0