[Comm] IPMI monitoring daemon

[Денис Ягофаров]

Добрый день.

Я применяю вот такой (немножко допиленный) скрипт для nagios:

#!/usr/bin/perl

# Nagios plugin for IPMI sensors status checking.
# Especially useful on Dell Poweredge servers, and others that
# implement the Intelligent Platform Management Interface (IPMI)
# interface.

# Tested against the 1850, 1950, 2850, 2950, SC1420, PE830 BMCs

#
# (C) Chris Wilson <check_ipmi на qwirx.com>, 2005-06-04
# Released under the GNU General Public License (GPL)

# Re-written by Bill Moran <wmoran на collaborativefusion.com>
# and Brian Seklecki <bseklecki на collaborativefusion.com>
# 06/20/06
# $Id: check_ipmi.pl 192 2007-04-11 19:51:33Z seklecki $


#/*
# * Copyright (c) 2006-2007 Collaborative Fusion, Inc.  All rights reserved.
# *
# * Developed by: Collaborative Fusion, Inc.
# *                                          
http://www.collaborativefusion.com
# *
# * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR
# * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# * COLLABORATIVE FUSION, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, 
INCIDENTAL,
# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
LIMITED TO,
# * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
PROFITS;
# * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# */
#
#/*
# * This code was written under funding by Collaborative Fusion, Inc..
# */

# Strategy:
# Take a hostname (or IP) on the command line argv[1]
# e.g. check_ipmi.pl 10.1.1.1
# Look for a file in directory that matches the name
# i.e. ipmi_credentials_${1/hostname}
#
# Format of said file would be the username/password to use (syntax as 
passed
# on the command line of ipmitool(1) ) : $  "-U username -P password"
# NOTE: If not found, look for a generic "ipmi_credientials" file before 
failing

#use warnings;
use strict;

use lib "/usr/lib/nagios/plugins/";
use utils qw(%ERRORS $TIMEOUT);

# Watch your permissions here (because you know IPMI uses high encryption)
my $pwfile_prefix = '/etc/check_ipmi/passwd.';
my $monfile_prefix = '/etc/check_ipmi/mon.';
my $ipmitool = '/usr/bin/ipmitool';
my $command;
my %NAGIOS_API_ECODES = ( 'OK' => 0, 'WARNING' => 1, 'CRITICAL' => 2, 
'UNKNOWN' => 3);
# default

my $USAGE="Usage Syntax: $0 [remoteHost]";

# define globally
#$nagios_ecode=$NAGIOS_API_ECODES{UNKNOWN};
my $nagios_ecode="NONE";
my $nagios_prefdata="";
my $nagios_retdata="";
$NAGIOS_API_ECODES{$nagios_ecode} = -1;

sub nagios_diode ($ $)  {

         (my $new_ecode, my $prefdata) = @_;


         # This fucntion is a one-way transition for the return code
         # it allow the global error code to increment upward only
         # it also concatenates the performance data

         # The tricky part is that we want to default to sane "3" uknown
         # but instead we'll have to default to -1 (out of bounds, coach)

         #print "DEBUG: new error code: " . $new_ecode . "\n";
         #print "DEBUG: new error code #: " . 
$NAGIOS_API_ECODES{$new_ecode} . "\n";
         #print "DEBUG: previous error code: " . $nagios_ecode . "\n";
         #print "DEBUG: previous error code #: " . 
$NAGIOS_API_ECODES{$nagios_ecode} . "\n";

         if ( $NAGIOS_API_ECODES{$new_ecode} gt 
$NAGIOS_API_ECODES{$nagios_ecode} ) {
                 #print "DEBUG: transitioning from: " . $nagios_ecode . 
" -> " . $new_ecode . "\n";
                 $nagios_ecode = $new_ecode;
         }

         #print "DEBUG: Appending pref data: " . $prefdata . "\n";
         $nagios_prefdata = $nagios_prefdata . "|" . $prefdata;

}

sub cane_one() {
         print $nagios_retdata;
         print $nagios_prefdata;
         exit $NAGIOS_API_ECODES{$nagios_ecode};
}

if ( scalar(@ARGV) < 1 || scalar(@ARGV) > 2 || $ARGV[0] !~ 
m/^[a-z0-9\.\-]+$/ ) {
         nagios_diode('UNKNOWN', $USAGE);
         cane_one;
} else {
         my $passwdfile;
         my $username="ADMIN";

         $passwdfile = "${pwfile_prefix}$ARGV[0]";

         if (! -r $passwdfile) {
                 $passwdfile = "${pwfile_prefix}default";
                 # set code to warning because using default passwd file
                 nagios_diode('WARNING', "WARNING: No credentials found 
for $ARGV[0] - trying to use default!");
         }
         $command = "$ipmitool -H $ARGV[0] -U $username -f $passwdfile 
sdr 2>&1 | grep -f $monfile_prefix$ARGV[0]";
#       $command = "cat /badvals 2>&1 | grep -f $monfile_prefix$ARGV[0]";
}

if (! open(IPMI, "$command |") ) {
          nagios_diode('UNKNOWN', "Unable to exec ipmitool(8)");
          cane_one;
}

#print("DEBUG:".$command."\r\n");

my %found;
my %bad;

sub trim ($) {
         my ($v) = @_;
         $v =~ s/^ +//;
         $v =~ s/ +$//;
         return $v;
}

while (my $line = <IPMI>)
{
         chomp $line;
         unless ($line =~ m'^(.*) \| (.*) \| (\w+)$')
         {
                 nagios_diode('CRITICAL', "Unrecognized response from 
ipmitool: $line");
                 cane_one;
         }

         my $name  = trim $1;
         my $value = trim $2;
         my $state = trim $3;
         $name =~ tr| |_|;

         my $counter = 1;
         my $uname = "$name";
         while ($found{$uname}) {
                 $uname = $name . $counter++;
         }

         next if $state eq "ns";

         if ($state ne "ok") {
                 $bad{$uname} = $state;
         }

         $found{$uname} = $value;
}

if (keys %bad) {

         my @bad;
         foreach my $name (sort keys %bad) {
                 push @bad, "$name is $bad{$name}";
         }
         $nagios_retdata = "CRITICAL:" . "(" . join(", ", @bad) . ") ";
         nagios_diode('CRITICAL', "IPMI Critical Value: ");


} else {
         $nagios_retdata = "OK.";
         nagios_diode('OK', "IPMI OK: ");
}

my @out;

# Directly toch pref_data - assume that iit is safe to


foreach my $name (sort keys %found) {
         next unless $name =~ m|Fan| or $name =~ m|Temp|;
         #print "DEBUG: $name = $found{$name}\n";
         #$nagios_prefdata = $nagios_prefdata. "$name = $found{$name},";
         push @out, "$name = $found{$name}";
}

$nagios_prefdata = $nagios_prefdata . "(" . join(", ", @out) . ") ";

cane_one;
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