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88 lines
2.0 KiB
Bash
Executable File
88 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env 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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# $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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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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# 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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