check-server-bandwidth.pl

check-server-bandwidth.pl

#!/usr/local/cpanel/3rdparty/perl/514/bin/perl
use RRDs;
use Getopt::Long;

my $server;
my $direction;
GetOptions(
    "server=s" => \$server,
    "direction=s" => \$direction,
);

if (!$server || ($direction ne 'TX' && $direction ne 'RX')) {
    print "Usage: $0 --server=hpXX.hostpapa.com --direction=(TX|RX)\n";
    exit;
}

my @parts = split('\.', $server);
my $nagios_server = shift(@parts);

my $rrd_directory = '/var/lib/munin/hostpapa.com/';
my @plugins;
if ($direction eq 'TX') {
    @plugins = qw(if_eth0-up-d if_eth1-up-d);
} else {
    @plugins = qw(if_eth0-down-d if_eth1-down-d);
}

my $total_bandwidth = 0;
my $limit = '20';
my $warn = '15';

for my $plugin (@plugins) {
        my $rrd_file = "$rrd_directory/$server-$plugin.rrd";
        my $ctime = time;
        my $rrdres = 300;
        my $retrieve_time = $ctime - $rrdres;
        my ($start,$step,$names,$data) = RRDs::fetch $rrd_file, "MAX", "-s", $retrieve_time;
        my $server_bandwidth = 0;
        for my $line (@$data) {
                for my $val (@$line) {
                        if ($val > 0) {
                                $server_bandwidth = $val;
                        }
                }
        }
        $total_bandwidth += $server_bandwidth;
}

my $total_mbits = sprintf("%.2f", ($total_bandwidth * 8) / 1000000);


if (int$total_mbits > $limit) {
        #system(qq!echo -e "$nagios_server\tBandwidth - $direction\t2\tCRITICAL - $total_mbits Mbit"!);
        system(qq!POSIXLY_CORRECT=1;/bin/echo -e "$direction CRITICAL - $total_mbits Mbit"!); exit 2;
} elsif ($total_mbits > $warn) {
        #system(qq!echo -e "$nagios_server\tBandwidth - $direction\t1\tWARNING - $total_mbits Mbit"!);
        system(qq!POSIXLY_CORRECT=1;/bin/echo -e "$direction WARNING - $total_mbits Mbit"!); exit 1;
} else {
        #system(qq!echo -e "$nagios_server\tBandwidth - $direction\t0\tOK - $total_mbits Mbit"!);
        system(qq!POSIXLY_CORRECT=1;/bin/echo -e "$direction OK - $total_mbits Mbit"!); exit 0;
}