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92 lines
2.1 KiB
Bash
Executable File
92 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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#
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# This software is licensed under the GNU General Public License v3 or later.
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#
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# It is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# $Id: listvmdisksize.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/storage/qcow2/listvmdisksize.sh $
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# listvmdisksize.sh -- list disk sizes of a VM
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#
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usage() {
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printf "Usage: %s: -d <disk-fs> [-t | -a ] \n" $(basename $0) >&2
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}
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#####################################################################
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# Evaluate a floating point number expression.
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function float_eval()
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{
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local stat=0
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local result=0.0
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if [[ $# -gt 0 ]]; then
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result=$(echo "scale=0; $*" | bc 2>/dev/null)
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stat=$?
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if [[ $stat -eq 0 && -z "$result" ]]; then stat=1; fi
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fi
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echo $result
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return $stat
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}
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#set -x
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aflag=
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tflag=
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aflag=
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diskfs=
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while getopts 'd:ta' OPTION
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do
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case $OPTION in
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d) dflag=1
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diskfs="$OPTARG"
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;;
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t) tflag=1
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;;
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a) aflag=1
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;;
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?) usage
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exit 2
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;;
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esac
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done
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if [ "$dflag" != "1" -a "$tflag$aflag" != "1" ]
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then
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usage
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exit 2
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fi
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if [ "$tflag" == 1 ]
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then
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# Find the virtual size of the disk image
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size_in_bytes=$(qemu-img info /$diskfs | grep "virtual size" | awk '{print $4}')
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# Strip off the leading '('
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size_in_bytes=${size_in_bytes:1}
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else
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# Find the actual size of the disk image
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size_in_bytes=$(ls -l /$diskfs | awk '{print $5}')
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fi
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printf "$size_in_bytes\n"
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exit 0
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