172 lines
4.1 KiB
Perl
172 lines
4.1 KiB
Perl
#!/usr/bin/perl -w
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#
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# Copyright 2010, Tomas Edwardsson
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#
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# check_brocade_env.pl is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# check_brocade_env.pl is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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use Nagios::Plugin;
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use Net::SNMP;
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use strict;
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# OID Base for Sensor Data
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my $oidbase = "1.3.6.1.4.1.1588.2.1.1.1.1.22";
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# Friendly type names for sensors
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my %sensorTypes = (
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1 => "temperature",
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2 => "fan",
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3 => "power-supply"
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);
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# Friendly status names for sensors
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my %sensorStatus = (
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1 => "Unknown",
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2 => "Faulty",
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3 => "Below minimum",
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4 => "Nominal",
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5 => "Above maximum",
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6 => "Absent"
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);
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sub snmp_fetchbase($$$$);
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# Create the Nagios plugin object
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my $np = Nagios::Plugin->new(
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usage => "Usage: %s -H <hostname> -c <snmp_community>",
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version => "0.01",
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);
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# Add valid arguments
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$np->add_arg(
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spec => 'hostname|H=s',
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help => '-H, --hostname=<hostname>',
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required => 1,
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);
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$np->add_arg(
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spec => 'community|c=s',
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help => '-C, --community=<snmp community>',
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required => 1,
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);
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$np->add_arg(
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spec => 'snmpversion|n=s',
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help => '-n, --snmpversion=[1/2c]',
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default => '2c',
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required => 0,
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);
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$np->add_arg(
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spec => 'longserviceoutput|l',
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help => '-l, --longserviceoutput',
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default => undef,
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required => 0,
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);
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# Parse Arguments
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$np->getopts();
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# Fetch the snmp data from the switch
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my $snmp_sensor_data = snmp_fetchbase(
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$np->opts->hostname,
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$np->opts->community,
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$np->opts->snmpversion,
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$oidbase);
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# Re-format snmp sensor data to easily parsable for the plugin
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my %sensordata;
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foreach my $k (keys %{$snmp_sensor_data}) {
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# Remove spaces from front/end
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my $v = $snmp_sensor_data->{$k};
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$v =~ s/^\s+//g;
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$v =~ s/\s+$//g;
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if ($k =~ /^1\.3\.6\.1\.4\.1\.1588\.2\.1\.1\.1\.1\.22\.1\.(\d+)\.(\d+)$/) {
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$sensordata{$2}->{$1} = $v;
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}
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}
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# Hack for multiline status output
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$np->add_message( OK, "" ) if ($np->opts->longserviceoutput);
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# Loop through each installed sensor
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foreach my $sensor (sort keys %sensordata) {
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my $label = "";
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# Add the performance data
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if ($sensorTypes{$sensordata{$sensor}->{2}} eq "temperature") {
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$label = '°';
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$np->add_perfdata(
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label => $sensordata{$sensor}->{5},
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value => $sensordata{$sensor}->{4},
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uom => "Celsius");
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} elsif ($sensorTypes{$sensordata{$sensor}->{2}} eq "fan") {
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$label = 'RPM';
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$np->add_perfdata(
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label => $sensordata{$sensor}->{5},
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value => $sensordata{$sensor}->{4},
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uom => "RPM");
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}
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# Are you OK ?
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if ($sensorStatus{$sensordata{$sensor}->{3}} ne "Nominal") {
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$np->add_message( CRITICAL, "$sensordata{$sensor}->{5} is $sensorStatus{$sensordata{$sensor}->{3}} $sensordata{$sensor}->{4}$label");
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# Nominal data
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} else {
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$np->add_message( OK, "$sensordata{$sensor}->{5} is $sensorStatus{$sensordata{$sensor}->{3}} $sensordata{$sensor}->{4}$label");
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}
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}
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# Process messages and get return code
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my ($code, $message) = $np->check_messages("join" => ($np->opts->longserviceoutput ? "\n" : " - "));
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# We're done, return exit code, message and perfdata
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$np->nagios_exit( $code, $message );
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# Fetch SNMP data
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sub snmp_fetchbase($$$$) {
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my $host = shift;
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my $community = shift;
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my $version = shift;
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my $oidbase = shift;
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# Setup SNMP session
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my ($session, $error) = Net::SNMP->session(
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-hostname => $host,
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-community => $community,
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-version => $version,
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-port => "161"
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);
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# Handle errors
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$np->nagios_exit(CRITICAL, "Unable to connect to snmp host, $error") if ($error);
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# Fetch oids
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my $response = $session->get_table(-baseoid => $oidbase);
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my $err = $session->error;
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$np->nagios_exit(CRITICAL, "Unable to retrieve snmp data, $err") if ($err);
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# Return SNMP Table hash
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return $response;
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}
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