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#!/usr/bin/perl
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2010 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Bob Gilligan
# Date: April 30, 2010
# Description: Script to display disk storage used by images
#
# **** End License ****
use strict;
use warnings;
use Getopt::Long;
sub better_units {
my $units = shift;
$units =~ s/K/ KB/;
$units =~ s/M/ MB/;
$units =~ s/G/ GB/;
$units =~ s/T/ TB/;
return $units;
}
#
# Main section
#
# Figure out where the images live...
my $imagedir = "/lib/live/mount/persistence/boot";
my $livecd = "/lib/live/mount/persistence/live";
if (! -e $imagedir) {
if (-d $livecd) {
die "System running on Live-CD\n";
}
# Must be running on Old non-image system.
$imagedir = "/boot";
if (! -e $imagedir) {
printf("Can't locate system image directory!\n");
exit 1;
}
}
my $bootlist=`/opt/vyatta/bin/vyatta-boot-image.pl --list`;
my @bootlist_arr = split(/\n/, $bootlist);
printf("Image name Read-Only Read-Write Total\n");
printf("------------------------------ ------------ ------------ ------------\n");
foreach my $image (@bootlist_arr) {
my $total;
my $read_only;
my $read_write;
my $string;
my $garbage;
if ( -e "$imagedir/$image") {
$string = `du -s -h $imagedir/$image`;
($total, $garbage) = split(' ', $string);
$total = better_units($total);
$string = `du -s -h $imagedir/$image --exclude rw`;
($read_only, $garbage) = split(' ', $string);
$read_only = better_units($read_only);
$string = `du -s -h $imagedir/$image/rw`;
($read_write, $garbage) = split(' ', $string);
$read_write = better_units($read_write);
printf("%-30s %12s %12s %12s\n", $image, $read_only, $read_write,
$total);
}
}
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