72 lines
2.0 KiB
Perl
72 lines
2.0 KiB
Perl
#!/usr/bin/perl
|
|
###############################################################################
|
|
#
|
|
# Copyright (c) 2009 Ramon Novoa <rnovoa@artica.es>
|
|
# Copyright (c) 2009 Artica Soluciones Tecnologicas S.L.
|
|
#
|
|
# pandora_df Retrieve filesystem disk usage. By default information for all
|
|
# filesystems is returned, but one or more filesystems may be
|
|
# specified as command line parameters.
|
|
#
|
|
# Sample usage: ./pandora_df tmpfs /dev/sda1
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; version 2 of the License.
|
|
#
|
|
# 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.
|
|
#
|
|
###############################################################################
|
|
|
|
use strict;
|
|
|
|
# Retrieve information from all filesystems
|
|
my $all_filesystems = 0;
|
|
|
|
# Check command line parameters
|
|
if ($#ARGV < 0) {
|
|
$all_filesystems = 1;
|
|
}
|
|
|
|
# Parse command line parameters
|
|
my %filesystems;
|
|
foreach my $fs (@ARGV) {
|
|
$filesystems{$fs} = '-1%';
|
|
}
|
|
|
|
# Retrieve filesystem information
|
|
# -P use the POSIX output format for portability
|
|
my @df = `df -P`;
|
|
shift (@df);
|
|
|
|
# No filesystems? Something went wrong.
|
|
if ($#df < 0) {
|
|
exit 1;
|
|
}
|
|
|
|
# Parse filesystem usage
|
|
foreach my $row (@df) {
|
|
my @columns = split (' ', $row);
|
|
exit 1 if ($#columns < 4);
|
|
$filesystems{$columns[0]} = $columns[4] if (defined ($filesystems{$columns[0]}) || $all_filesystems == 1);
|
|
}
|
|
|
|
while (my ($filesystem, $use) = each (%filesystems)) {
|
|
|
|
# Remove the trailing %
|
|
chop ($use);
|
|
|
|
# Print module output
|
|
print "<module>\n";
|
|
print "<name><![CDATA[" . $filesystem . "]]></name>\n";
|
|
print "<type><![CDATA[generic_data]]></type>\n";
|
|
print "<data><![CDATA[" . $use . "]]></data>\n";
|
|
print "<description>% of usage in this volume</description>\n";
|
|
print "</module>\n";
|
|
}
|
|
|
|
exit 0;
|