tyler.durden
/
centreon-plugins
mirror of https://github.com/centreon/centreon-plugins.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

new check_centreon_snmp_real_memory 

option -s added : state becomes critical when physical memory is above 99% and swap memory exceeds the -s value.

git-svn-id: http://svn.centreon.com/trunk/plugins-2.x@4430 6bcd3966-0018-0410-8128-fd23d134de7e
This commit is contained in:
Sylvestre Ho 2008-04-03 16:09:06 +00:00
parent 3a33991003
commit 89ed8453aa
1 changed files with 250 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

250
centreon-plugins/src/check_centreon_snmp_memory Normal file
View File

@ -0,0 +1,250 @@
#! /usr/bin/perl -w
#
# $Id: check_grah_real_memory.pl,v 1.2 2005/07/27 22:21:49 wistof Exp $
#
# Oreon's plugins are developped with GPL Licence :
# http://www.fsf.org/licenses/gpl.txt
# Developped by : Julien Mathis - Mathieu Mettre - Romain Le Merlus - Yohann Lecarpentier
#
# Modified for Oreon Project by : Mathieu Chateau - Christophe Coraboeuf
#
# The Software is provided to you AS IS and WITH ALL FAULTS.
# OREON makes no representation and gives no warranty whatsoever,
# whether express or implied, and without limitation, with regard to the quality,
# safety, contents, performance, merchantability, non-infringement or suitability for
# any particular or intended purpose of the Software found on the OREON web site.
# In no event will OREON be liable for any direct, indirect, punitive, special,
# incidental or consequential damages however they may arise and even if OREON has
# been previously advised of the possibility of such damages.
##
## Plugin init
##
use strict;
use Net::SNMP qw(:snmp);
use FindBin;
use lib "$FindBin::Bin";
use lib "/srv/nagios/libexec/";
use utils qw($TIMEOUT %ERRORS &print_revision &support);
if (eval "require oreon" ) {
use oreon qw(get_parameters);
use vars qw($VERSION %oreon);
%oreon=get_parameters();
} else {
print "Unable to load oreon perl module\n";
exit $ERRORS{'UNKNOWN'};
}
use vars qw($PROGNAME);
use Getopt::Long;
use vars qw($opt_V $opt_h $opt_g $opt_v $opt_C $opt_w $opt_c $opt_s $opt_H @test);
my $pathtorrdbase = $oreon{GLOBAL}{DIR_RRDTOOL};
##
## Plugin var init
##
my ($hrStorageDescr, $hrStorageAllocationUnits, $hrStorageSize, $hrStorageUsed);
my ($AllocationUnits, $Size, $Used);
my ($tot, $used, $pourcent, $return_code);
$PROGNAME = "$0";
sub print_help ();
sub print_usage ();
Getopt::Long::Configure('bundling');
GetOptions
("h" => \$opt_h, "help" => \$opt_h,
"V" => \$opt_V, "version" => \$opt_V,
"v=s" => \$opt_v, "snmp=s" => \$opt_v,
"C=s" => \$opt_C, "community=s" => \$opt_C,
"w=s" => \$opt_w, "warning=s" => \$opt_w,
"c=s" => \$opt_c, "critical=s" => \$opt_c,
"s=s" => \$opt_s, "swap=s" => \$opt_s,
"H=s" => \$opt_H, "hostname=s" => \$opt_H);
if ($opt_V) {
print_revision($PROGNAME,'$Revision: 1.2 $');
exit $ERRORS{'OK'};
}
if ($opt_h) {
print_help();
exit $ERRORS{'OK'};
}
$opt_H = shift unless ($opt_H);
(print_usage() && exit $ERRORS{'OK'}) unless ($opt_H);
($opt_v) || ($opt_v = shift) || ($opt_v = "2");
my $snmp = $1 if ($opt_v =~ /(\d)/);
($opt_C) || ($opt_C = shift) || ($opt_C = "public");
($opt_c) || ($opt_c = shift) || ($opt_c = 95);
my $critical = $1 if ($opt_c =~ /([0-9]+)/);
($opt_w) || ($opt_w = shift) || ($opt_w = 80);
my $warning = $1 if ($opt_w =~ /([0-9]+)/);
if ($critical <= $warning){
print "(--crit) must be superior to (--warn)";
print_usage();
exit $ERRORS{'OK'};
}
my $swap_limit;
if ($opt_s)
{
($opt_s) || ($opt_s = shift) || ($opt_s = 10);
$swap_limit = $1 if ($opt_s =~ /([0-9]+)/);
}
my $start=time;
my $name = $0;
## Plugin snmp requests
# my $OID_hrStorageDescr = $oreon{MIB2}{HR_STORAGE_DESCR};
# my $OID_hrStorageAllocationUnits =$oreon{MIB2}{HR_STORAGE_ALLOCATION_UNITS};
# my $OID_hrStorageSize =$oreon{MIB2}{HR_STORAGE_SIZE};
# my $OID_hrStorageUsed =$oreon{MIB2}{HR_STORAGE_USED};
# create a SNMP session
my ( $session, $error ) = Net::SNMP->session(-hostname => $opt_H,-community => $opt_C, -version => $snmp);
if ( !defined($session) ) {
print("CRITICAL: SNMP Session : $error");
exit $ERRORS{'CRITICAL'};
}
####################
#### snmp request
##
my $OID_descr_storage = ".1.3.6.1.2.1.25.2.3.1.3"; #"1.3.6.1.2.1.25.2.3.1.1";
my $result = $session->get_table(Baseoid => $OID_descr_storage);
if (!defined($result)) {
printf("ERROR: Description Table hrStorageType : %s.\n", $session->error);
$session->close;
exit $ERRORS{'UNKNOWN'};
}
my ($virt_alloc, my $virt_used, my $virt_size);
my $indexV = 0;
my $indexR = 0;
foreach my $key (oid_lex_sort(keys %$result)) {
if ($result->{$key} =~ m/Swap|Virtual/) {
my @cpt = split /\./,$key;
$indexV = $cpt[scalar(@cpt) - 1];;
}
if ($result->{$key} =~ m/Real|Physical/) {
my @cpt = split /\./,$key;
$indexR = $cpt[scalar(@cpt)-1];
}
}
if ($indexV == 0 || $indexR == 0) {
printf("ERROR: cannot find ram information");
exit $ERRORS{'UNKNOWN'};
}
my $OID_hrStorage_used = ".1.3.6.1.2.1.25.2.3.1.6";
my $OID_Swap_storage_used = ".1.3.6.1.2.1.25.2.3.1.6.".$indexV;
my $OID_RealM_storage_used = ".1.3.6.1.2.1.25.2.3.1.6.".$indexR;
my $used_mem = $session->get_table(Baseoid => $OID_hrStorage_used);
if (!defined($used_mem)) {
printf("ERROR: Description Table hrStorageUsed : %s.\n", $session->error);
$session->close;
exit $ERRORS{'UNKNOWN'};
}
my $OID_hrStorage_size = ".1.3.6.1.2.1.25.2.3.1.5";
my $OID_Swap_storage_size = ".1.3.6.1.2.1.25.2.3.1.5.".$indexV;
my $OID_RealM_storage_size = ".1.3.6.1.2.1.25.2.3.1.5.".$indexR;
my $total_mem = $session->get_table(Baseoid => $OID_hrStorage_size);
if (!defined($total_mem)) {
printf("ERROR: Description Table hrStorageSize : %s.\n", $session->error);
$session->close;
exit $ERRORS{'UNKNOWN'};
}
my $OID_storage_allocationUnits = ".1.3.6.1.2.1.25.2.3.1.4";
my $OID_Swap_storage_allocationUnits = ".1.3.6.1.2.1.25.2.3.1.4.".$indexV;
my $OID_RealM_storage_allocationUnits = ".1.3.6.1.2.1.25.2.3.1.4.".$indexR;
my $alloc_units = $session->get_table(Baseoid => $OID_storage_allocationUnits);
if (!defined($alloc_units)) {
printf("ERROR: Description Table hrStorageUsed : %s.\n", $session->error);
$session->close;
exit $ERRORS{'UNKNOWN'};
}
my $swap_used = $used_mem->{$OID_Swap_storage_used} * $alloc_units->{$OID_Swap_storage_allocationUnits};
my $realM_used = $used_mem->{$OID_RealM_storage_used} * $alloc_units->{$OID_RealM_storage_allocationUnits};
my $swap_size = $total_mem->{$OID_Swap_storage_size} * $alloc_units->{$OID_Swap_storage_allocationUnits};
my $realM_size = $total_mem->{$OID_RealM_storage_size} * $alloc_units->{$OID_RealM_storage_allocationUnits};
my $total_memory_used = $swap_used + $realM_used;
my $total_memory_size = $swap_size + $realM_size;
# percentage of total, physical and swap memory used
if ($swap_size eq "0"){
$swap_size = 1;
}
my $percent_used = ($total_memory_used/$total_memory_size)*100;
my $percent_swap_used = ($swap_used/$swap_size) * 100;
my $percent_realM_used = ($realM_used/$realM_size) * 100;
$percent_swap_used =~ s/\.[0-9]+//;
$percent_used =~ s/\.[0-9]+//;
$percent_realM_used =~ s/\.[0-9]+//;
# return
if(($opt_s) && ($opt_s =~ /([0-9]+)/))
{
if(($percent_realM_used >= 99) && ($percent_swap_used > $swap_limit))
{
print "swap threshold (".$opt_s."%) excedeed : total memory used : ".$percent_used."%, ram used : ".$percent_realM_used."%, swap used : ".$percent_swap_used."% | used=".$total_memory_used."o size=".$total_memory_size."o\n";
exit $ERRORS{'CRITICAL'};
}
}
if ($percent_used >= $opt_c){
print "threshold (".$opt_c."%) excedeed : total memory used : ".$percent_used."%, ram used : ".$percent_realM_used."%, swap used : ".$percent_swap_used."% | used=".$total_memory_used."o size=".$total_memory_size."o\n";
exit $ERRORS{'CRITICAL'};
} elsif ($percent_used >= $opt_w){
print "threshold (".$opt_w."%) excedeed : total memory used : ".$percent_used."%, ram used : ".$percent_realM_used."%, swap used ".$percent_swap_used."% | used=".$total_memory_used."o size=".$total_memory_size."o\n";
exit $ERRORS{'WARNING'};
} else {
print "total memory used : ".$percent_used."% ram used : ".$percent_realM_used."%, swap used ".$percent_swap_used."% | used=".$total_memory_used."o size=".$total_memory_size."o\n";
exit $ERRORS{'OK'};
}
sub print_usage () {
print "\nUsage:\n";
print "$PROGNAME\n";
print " -H (--hostname) Hostname to query - (required)\n";
print " -C (--community) SNMP read community (defaults to public,\n";
print " used with SNMP v1 and v2c\n";
print " -v (--snmp_version) 1 for SNMP v1 (default)\n";
print " 2 for SNMP v2c\n";
print " -V (--version) Plugin version\n";
print " -h (--help) usage help\n";
print " -c (--critical) percentage of memory used at which a critical message will be generated\n";
print " -w (--warning) percentage of memory used at which a warning message will be generated\n";
print " -s (--swap) limit of swap memory can reach before the service turns critical, while phyical memory is near 100%\n";
}
sub print_help () {
print "#=========================================\n";
print "# Copyright (c) 2007 Merethis SARL =\n";
print "# Developped by Julien Mathis =\n";
print "# Bugs to http://www.oreon-project.org/ =\n";
print "#=========================================\n";
print_usage();
print "\n";
}