Re: CPU Temperatur mit Nagios überwachen

7 Mar 2010

      On 2010.03.05 14:05, Ralf Prengel wrote:
...
Hallo,
sensors ergibt
xxx:/etc/init.d # sensors
coretemp-isa-0000
Adapter: ISA adapter
Core 0:      +43.0°C  (high = +78.0°C, crit = +100.0°C)
coretemp-isa-0001
Adapter: ISA adapter
Core 1:      +42.0°C  (high = +78.0°C, crit = +100.0°C)
Ich suche jetzt einen Weg diese Werte in Nagios einzubinden.
http://www.monitoringexchange.org/
gibt nichts her was wirklich funktioniert.
ipmi lauft auf dem System nicht.
snmp wäre noch möglich.
Hat jemand einen Tip?
Schon lange nichts mit Perl gemacht, deshalb hier ein schnell
zusammengehacktes Plugin:

check_cpu_temp:

#!/usr/bin/perl -w
#
# check_skeleton.pl - nagios plugin
#
# Copyright (C) 2006 AUTHOR,
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
#
# Report bugs to:  nagiosplug-help@lists.sourceforge.net
#
# 26.10.2006 Version 0.2
#
#

use strict;
use Getopt::Long;
use vars qw($PROGNAME);
use lib "/usr/lib/nagios/plugins"; # path to util.pm !!
use utils qw ($TIMEOUT %ERRORS &print_revision &support);

sub print_help ();
sub print_usage ();

my ($opt_V, $opt_h, $opt_w, $opt_c, $opt_t);
my ($result, $message );

$PROGNAME="check_cpu_temp";

$opt_w="";
$opt_c="";

Getopt::Long::Configure('bundling');
GetOptions(
#        "V"   => \$opt_V, "version"     => \$opt_V,
        "h"   => \$opt_h, "help"        => \$opt_h,
        "w=s" => \$opt_w, "warning=s" => \$opt_w,
        "c=s" => \$opt_c, "critical=s" => \$opt_c);

if ($opt_t) {
        $TIMEOUT=$opt_t;
}

# Just in case of problems, let's not hang Nagios
$SIG{'ALRM'} = sub {
        print "UNKNOWN - Plugin Timed out\n";
        exit $ERRORS{"UNKNOWN"};
};
alarm($TIMEOUT);

if ($opt_V) {
        exit $ERRORS{'OK'};
}

if ($opt_h) {
        print_help();
        exit $ERRORS{'OK'};
}

sub print_usage () {
        print "Usage:\n";
        print "  $PROGNAME [-w <INTEGER>] [-c <INTEGER>]\n";
        print "  $PROGNAME [-h | --help]\n";
 #       print "  $PROGNAME [-V | --version]\n";
        print "\n\nOptions:\n";
        print "  -w, --critical\n";
        print "     Manual warn temperature threshold (default is to  rely on
output of sensors)\n";
        print "  -c, --critical\n";
        print "     Manual critical temperature threshold (default is to rely
on output of sensors) (\n";
        print "  -h, --help\n";
        print "     Print detailed help screen\n";
#        print "  -V, --version\n";
#        print "     Print version information\n\n";

sub print_help () {
        print "This plugin checks the temperature of the cpu cores.\n";
        print "For the moment it only works with core cpus.\n";
        print "The plugin uses the output of sensors to get the cpu
temperatures.\n";
        print "\n";
        print "Copyright (c) 2010 Sandy Drobic\n\n";
        print_usage();
        print "\n";
#        print "  <help>  This output\n";
#        print "\n";
#        support();
}

$result = 'UNKNOWN';
$message = "";
my $coretemp;
my $crittemp;
my $warntemp;
my $core_found = 'false';
open (SENSORS, "/usr/bin/sensors|");
while (<SENSORS>) {
        if ( $_ =~ /^Core/ )
        {
                $core_found = 'true';
        #       print $_;
                ($coretemp, $warntemp, $crittemp) = /\+(.+) C +\(high = \+(.+)
C, crit = \+(.+) C\)/;
                $message = $message . " " . $coretemp . ",";
                if ($opt_w) {
                        $warntemp = $opt_w;
                }
                if ($opt_c) {
                        $crittemp = $opt_c;
                }
                if ($coretemp >= $crittemp ) {

                        $result = 'CRIT';
                }
                if (($coretemp >= $warntemp) && ($coretemp < $crittemp)) {
                        $result = 'WARN';
                }
                #print "Coretemp: " . $coretemp . ", Warntemp: " . $warntemp .
", Crittemp: " . $crittemp . "\n";
        }

}

if ($core_found eq 'false') {
        print "Can not find a Core line in output of sensor\n";
        exit 3;
}
if (($core_found eq 'true' ) && ($result ne 'WARN') && ($result ne 'CRIT' )){
        $result = 'OK';
}
print $result .  ": " . $message . "\n";
if ($result eq 'OK') {
        exit 0;
}
if ( $result eq 'WARN'){
        exit 1;
}
if ( $result eq 'CRIT'){
        exit 2;
}
if ( $result eq 'UNKNOWN') {
        exit 3;
}

#-------- check_cpu_temp ende

Das sollte bei dir funktionieren ohne Anpassungen.
Bitte aufpassen auf falsche Zeilenumbrüche, die durch das Posten entstanden sind!

-- 
Sandy

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