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contrib-munin/plugins/heimdal/heimdal_kdc_bandwidth

81 lines
1.6 KiB
Perl
Executable File

#!/usr/bin/perl
#
# Plugin to monitor the amount of data sent by KDC server.
# Based on kdc-log-analyze.pl script from heimdal.
#
# Contributed by Jan Rękorajski <baggins@pld-linux.org>
#
# Example configuration:
#
# [heimdal_kdc_*]
# env.logdir /var/log
# env.logfile secure
#
use strict;
use Munin::Plugin;
my $LOGDIR = $ENV{'logdir'} || '/var/log';
my $LOGFILE = $ENV{'logfile'} || 'secure';
my $pos = undef;
my $bw = 0;
sub parseLogfile {
my ($fname, $start) = @_;
my ($LOGFILE,$rotated) = tail_open($fname,$start);
my $line;
while (<$LOGFILE>) {
chomp ($_);
if (/sending ([0-9]+) bytes to IPv[46]:([0-9\.:a-fA-F]+)/) {
$bw += $1;
}
}
return tail_close($LOGFILE);
}
if ( $ARGV[0] and $ARGV[0] eq "autoconf" ) {
print "no\n";
exit 0;
}
if ( $ARGV[0] and $ARGV[0] eq "config" ) {
print "graph_title Heimdal KDC bandwidth\n";
print "graph_args --base 1024\n";
print "graph_vlabel bytes / \${graph_period}\n";
print "graph_scale yes\n";
print "graph_category auth\n";
print "bw.label Bytes sent\n";
print "bw.type ABSOLUTE\n";
print "bw.min 0\n";
exit 0;
}
my $logfile = "$LOGDIR/$LOGFILE";
if (! -f $logfile) {
print "bw.value U\n";
exit 1;
}
($pos) = restore_state();
if (!defined($pos)) {
# No state file present. Avoid startup spike: Do not read log
# file up to now, but remember how large it is now, and next
# time read from there.
$pos = (stat $logfile)[7]; # File size
} else {
$pos = parseLogfile ($logfile, $pos);
}
print "bw.value $bw\n";
save_state($pos);
# vim:syntax=perl