Plugin:check snmp load

my $Version='1.12';
 * 1) !/usr/bin/perl -w
 * 2) check_snmp_load #################
 * 1) Date : Oct 12 2007
 * 2) Author  : Patrick Proy ( patrick at proy.org)
 * 3) Help : http://nagios.manubulon.com/
 * 4) Licence : GPL - http://www.fsf.org/licenses/gpl.txt
 * 5) Contributors : F. Lacroix and many others !!!
 * 6) Help : ./check_snmp_load.pl -h
 * 1) Help : ./check_snmp_load.pl -h
 * 1) Help : ./check_snmp_load.pl -h

use strict; use Getopt::Long; require "/usr/lib/nagios/plugins/Centreon/SNMP/Utils.pm";

my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4);
 * 1) Nagios specific

my %OPTION = (   "host" => undef,    "snmp-community" => "public", "snmp-version" => 1, "snmp-port" => 161,     "snmp-auth-key" => undef, "snmp-auth-user" => undef, "snmp-auth-password" => undef, "snmp-auth-protocol" => "MD5",    "snmp-priv-key" => undef, "snmp-priv-password" => undef, "snmp-priv-protocol" => "DES",    "maxrepetitions" => undef, "snmptimeout" => undef,    "64-bits" => undef, ); my $session_params;
 * 1) SNMP Datas

my $base_proc = "1.3.6.1.2.1.25.3.3.1";  # oid for all proc info my $proc_id  = "1.3.6.1.2.1.25.3.3.1.1"; # list of processors (product ID) my $proc_load = "1.3.6.1.2.1.25.3.3.1.2"; # %time the proc was not idle over last minute
 * 1) Generic with host-ressource-mib


 * 1) Linux load

my $linload_table= "1.3.6.1.4.1.2021.10.1";  # net-snmp load table my $linload_name = "1.3.6.1.4.1.2021.10.1.2"; # text 'Load-1','Load-5', 'Load-15' my $linload_load = "1.3.6.1.4.1.2021.10.1.3"; # effective load table


 * 1) Cisco cpu/load

my $cisco_cpu_5m = "1.3.6.1.4.1.9.2.1.58.0"; # Cisco CPU load (5min %) my $cisco_cpu_1m = "1.3.6.1.4.1.9.2.1.57.0"; # Cisco CPU load (1min %) my $cisco_cpu_5s = "1.3.6.1.4.1.9.2.1.56.0"; # Cisco CPU load (5sec %)


 * 1) Cisco catalyst cpu/load

my $ciscocata_cpu_5m = ".1.3.6.1.4.1.9.9.109.1.1.1.1.5.9"; # Cisco CPU load (5min %) my $ciscocata_cpu_1m = ".1.3.6.1.4.1.9.9.109.1.1.1.1.3.9"; # Cisco CPU load (1min %) my $ciscocata_cpu_5s = ".1.3.6.1.4.1.9.9.109.1.1.1.1.4.9"; # Cisco CPU load (5sec %)


 * 1) Netscreen cpu/load

my $nsc_cpu_5m = "1.3.6.1.4.1.3224.16.1.4.0"; # NS CPU load (5min %) my $nsc_cpu_1m = "1.3.6.1.4.1.3224.16.1.2.0"; # NS CPU load (1min %) my $nsc_cpu_5s = "1.3.6.1.4.1.3224.16.1.3.0"; # NS CPU load (5sec %)


 * 1) AS/400 CPU

my $as400_cpu = "1.3.6.1.4.1.2.6.4.5.1.0"; # AS400 CPU load (10000=100%);


 * 1) Net-SNMP CPU

my $ns_cpu_idle  = "1.3.6.1.4.1.2021.11.11.0"; # Net-snmp cpu idle my $ns_cpu_user  = "1.3.6.1.4.1.2021.11.9.0";  # Net-snmp user cpu usage my $ns_cpu_system = "1.3.6.1.4.1.2021.11.10.0"; # Net-snmp system cpu usage

my $procurve_cpu = "1.3.6.1.4.1.11.2.14.11.5.1.9.6.1.0"; # Procurve CPU Counter
 * 1) Procurve CPU

my $nokia_cpu = "1.3.6.1.4.1.94.1.21.1.7.1.0"; # Nokia CPU % usage
 * 1) Nokia CPU

my $bluecoat_cpu = "1.3.6.1.4.1.3417.2.4.1.1.1.4.1"; # Bluecoat %cpu usage.
 * 1) Bluecoat Appliance

my $fortigate_cpu = ".1.3.6.1.4.1.12356.1.8.0"; # Fortigate CPU % usage
 * 1) Fortigate CPU

my $linkproof_cpu= "1.3.6.1.4.1.89.35.1.55.0"; # CPU RE (Routing Engine Tasks)
 * 1) Linkproof Appliance
 * 1) 1.3.6.1.4.1.89.35.1.53.0 : Ressource utilisation (%) Considers network utilization and internal CPU utilization
 * 2) 1.3.6.1.4.1.89.35.1.54 : CPU only (%)
 * 3) 1.3.6.1.4.1.89.35.1.55 : network only (%)

my $hpux_load_1_min="1.3.6.1.4.1.11.2.3.1.1.3.0"; my $hpux_load_5_min="1.3.6.1.4.1.11.2.3.1.1.4.0"; my $hpux_load_15_min="1.3.6.1.4.1.11.2.3.1.1.5.0"; my @valid_types = ("stand","netsc","netsl","as400","cisco","cata","nsc","fg","bc","nokia","hp","lp","hpux"); my %cpu_oid = ("netsc",$ns_cpu_idle,"as400",$as400_cpu,"bc",$bluecoat_cpu,"nokia",$nokia_cpu,"hp",$procurve_cpu,"lp",$linkproof_cpu,"fg",$fortigate_cpu);
 * 1) HP-UX cpu usage (thanks to krizb for the OIDs).
 * 1) valid values
 * 1) CPU OID array


 * 1) Globals

my $o_help=	undef; 		# wan't some help ? my $o_verb=	undef;		# verbose mode my $o_version=	undef;		# print version my $o_check_type= "stand"; my $o_warn=	undef;		# warning level my @o_warnL=	undef;		# warning levels for Linux Load or Cisco CPU my $o_crit=	undef;		# critical level my @o_critL=	undef;		# critical level for Linux Load or Cisco CPU my $o_perf=    undef;          # Output performance data
 * 1) check type  : stand | netsc |  netsl | as400 | cisco | cata | nsc | fg | bc | nokia | hp | lp  | hpux
 * 1) End compatibility


 * 1) functions

sub p_version { print "check_snmp_load version : $Version\n"; }

sub print_usage { print "Usage: $0 [-v] -H -C  [-2] | (-l login -x passwd [-X pass -L, ]) [-p ] -w -c -T=[stand|netsl|netsc|as400|cisco|cata|nsc|fg|bc|nokia|hp|lp|hpux] [-f] [-t ] [-V]\n"; }

sub isnnum { # Return true if arg is not a number my $num = shift; if ( $num =~ /^(\d+\.?\d*)|(^\.\d+)$/ ) { return 0 ;} return 1; }

sub help { print "\nSNMP Load & CPU Monitor for Nagios version ",$Version,"\n"; print "GPL licence, (c)2004-2007 Patrick Proy\n\n"; print_usage; print <<EOT; -v, --verbose print extra debugging information -h, --help print this help message -H, --hostname=HOST name or IP address of host to check -C, --community=COMMUNITY NAME community name for the host's SNMP agent (implies v1 protocol) -l, --login=LOGIN ; -x, --passwd=PASSWD Login and auth password for snmpv3 authentication If no priv password exists, implies AuthNoPriv -P, --port=PORT SNMP port (Default 161) -w, --warn=INTEGER | INT,INT,INT 1 value check : warning level for cpu in percent (on one minute) 3 value check : comma separated level for load or cpu for 1min, 5min, 15min -c, --crit=INTEGER | INT,INT,INT critical level for cpu in percent (on one minute) 1 value check : critical level for cpu in percent (on one minute) 3 value check : comma separated level for load or cpu for 1min, 5min, 15min -T, --type=stand|netsl|netsc|as400|cisco|bc|nokia|hp|lp CPU check : stand : standard MIBII (works with Windows), can handle multiple CPU. netsl : linux load provided by Net SNMP (1,5 & 15 minutes values) netsc : cpu usage given by net-snmp (100-idle) as400 : as400 CPU usage cisco : Cisco CPU usage cata : Cisco catalyst CPU usage nsc  : NetScreen CPU usage fg   : Fortigate CPU usage bc   : Bluecoat CPU usage nokia : Nokia CPU usage hp   : HP procurve switch CPU usage lp   : Linkproof CPU usage hpux : HP-UX load (1,5 & 15 minutes values) -f, --perfparse Perfparse compatible output -t, --timeout=INTEGER timeout for SNMP in seconds (Default: 5) -V, --version prints version number EOT }

sub verb { my $t=shift; print $t,"\n" if defined($o_verb) ; }
 * 1) For verbose output

sub check_options { Getopt::Long::Configure ("bundling"); GetOptions(       "H|hostname|host=s"         => \$OPTION{'host'},        "C|community=s"             => \$OPTION{'snmp-community'},        "snmp|snmp-version=s"       => \$OPTION{'snmp-version'},        "p|port|P|snmpport|snmp-port=i"    => \$OPTION{'snmp-port'},        "l|login|username=s"        => \$OPTION{'snmp-auth-user'},        "x|passwd|authpassword|password=s" => \$OPTION{'snmp-auth-password'},        "k|authkey=s"               => \$OPTION{'snmp-auth-key'},        "authprotocol=s"            => \$OPTION{'snmp-auth-protocol'},        "privpassword=s"            => \$OPTION{'snmp-priv-password'},        "privkey=s"                 => \$OPTION{'snmp-priv-key'},        "privprotocol=s"            => \$OPTION{'snmp-priv-protocol'},        "maxrepetitions=s"          => \$OPTION{'maxrepetitions'},        "t|timeout|snmp-timeout=i"  => \$OPTION{'snmptimeout'},        "64-bits"                   => \$OPTION{'64-bits'},

'v'    => \$o_verb,		'verbose'	=> \$o_verb, 'h'    => \$o_help,    	'help'        	=> \$o_help, 'V'    => \$o_version,		'version'	=> \$o_version, 'c:s'  => \$o_crit,            'critical:s'    => \$o_crit, 'w:s'  => \$o_warn,            'warn:s'        => \$o_warn, 'f'    => \$o_perf,            'perfparse'     => \$o_perf, 'T:s'	=> \$o_check_type,	'type:s'	=> \$o_check_type );   # check snmp information    ($session_params) = Centreon::SNMP::Utils::check_snmp_options($ERRORS{'UNKNOWN'}, \%OPTION);    # check the -T option    my $T_option_valid=0;     foreach (@valid_types) { if ($_ eq $o_check_type) {$T_option_valid=1} };    if ( $T_option_valid == 0 )        {print "Invalid check type (-T)!\n"; print_usage; exit $ERRORS{"UNKNOWN"}}    if (defined ($o_help) ) { help; exit $ERRORS{"UNKNOWN"}};    if (defined($o_version)) { p_version; exit $ERRORS{"UNKNOWN"}};    # Check warnings and critical    if (!defined($o_warn) || !defined($o_crit)) 	{ print "put warning and critical info!\n"; print_usage; exit $ERRORS{"UNKNOWN"}}    # Get rid of % sign    $o_warn =~ s/\%//g;     $o_crit =~ s/\%//g;    # Check for multiple warning and crit in case of -L	if (($o_check_type eq "netsl") || ($o_check_type eq "cisco") || ($o_check_type eq "cata") || ($o_check_type eq "nsc") || ($o_check_type eq "hpux")) {		@o_warnL=split(/,/, $o_warn);		@o_critL=split(/,/ , $o_crit);		if (($#o_warnL != 2) || ($#o_critL != 2)) 			{ print "3 warnings and critical !\n";print_usage; exit $ERRORS{"UNKNOWN"}}		for (my $i=0;$i<3;$i++) {			if ( isnnum($o_warnL[$i]) || isnnum($o_critL[$i])) 				{ print "Numeric value for warning or critical !\n";print_usage; exit $ERRORS{"UNKNOWN"}}			if ($o_warnL[$i] > $o_critL[$i]) 				{ print "warning <= critical ! \n";print_usage; exit $ERRORS{"UNKNOWN"}}		}	} else {		if (($o_warn =~ /,/) || ($o_crit =~ /,/)) {            { print "Multiple warning/critical levels not available for this check\n";print_usage; exit $ERRORS{"UNKNOWN"}}		}        if ( isnnum($o_warn) || isnnum($o_crit) ) 			{ print "Numeric value for warning or critical !\n";print_usage; exit $ERRORS{"UNKNOWN"}}		if ($o_warn > $o_crit) { print "warning <= critical ! \n";print_usage; exit $ERRORS{"UNKNOWN"}} } }


 * 1) MAIN #######

check_options;

my $session = Centreon::SNMP::Utils::connection($ERRORS{'UNKNOWN'}, $session_params);
 * 1) Connect to host

my $exit_val=undef;
 * 1) Linux load check ##############

if ($o_check_type eq "netsl") { verb("Checking linux load"); # Get load table my $resultat = Centreon::SNMP::Utils::get_snmp_table($linload_table, $session, $ERRORS{'UNKNOWN'}, \%OPTION);

my @load = undef; my @iload = undef; my @oid=undef; my $exist=0; foreach my $key ( keys %$resultat) { verb("OID : $key, Desc : $$resultat{$key}"); if ( $key =~ /$linload_name/ ) { @oid=split (/\./,$key); $iload[0]= pop(@oid) if ($$resultat{$key} eq "Load-1"); $iload[1]= pop(@oid) if ($$resultat{$key} eq "Load-5"); $iload[2]= pop(@oid) if ($$resultat{$key} eq "Load-15"); $exist=1 }   }

if ($exist == 0) { print "Can't find snmp information on load : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

for (my $i=0;$i<3;$i++) { $load[$i] = $$resultat{$linload_load. "." . $iload[$i]}};

print "Load : $load[0] $load[1] $load[2] :";

$exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; }           if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; }           }        }    print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_1_min=$load[0];$o_warnL[0];$o_critL[0] "; print "load_5_min=$load[1];$o_warnL[1];$o_critL[1] "; print "load_15_min=$load[2];$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; }   exit $exit_val; }


 * 1) Cisco CPU check ################

if ($o_check_type eq "cisco") { my @oidlists = ($cisco_cpu_5m, $cisco_cpu_1m, $cisco_cpu_5s); my $resultat = Centreon::SNMP::Utils::get_snmp_leef(\@oidlists, $session, $ERRORS{'UNKNOWN'});

if (!defined ($$resultat{$cisco_cpu_5s})) { print "No CPU information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

my @load = undef;

$load[0]=$$resultat{$cisco_cpu_5s}; $load[1]=$$resultat{$cisco_cpu_1m}; $load[2]=$$resultat{$cisco_cpu_5m};

print "CPU : $load[0] $load[1] $load[2] :";

$exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; }       if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; }       }    }    print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] "; print "load_1_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "load_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; }

exit $exit_val; }


 * 1) Cisco Catalyst CPU check ################

if ($o_check_type eq "cata") { my @oidlists = ($ciscocata_cpu_5m, $ciscocata_cpu_1m, $ciscocata_cpu_5s); my $resultat = Centreon::SNMP::Utils::get_snmp_leef(\@oidlists, $session, $ERRORS{'UNKNOWN'});

if (!defined ($$resultat{$ciscocata_cpu_5s})) { print "No CPU information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

my @load = undef;

$load[0]=$$resultat{$ciscocata_cpu_5s}; $load[1]=$$resultat{$ciscocata_cpu_1m}; $load[2]=$$resultat{$ciscocata_cpu_5m};

print "CPU : $load[0] $load[1] $load[2] :";

$exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; }       if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; }       }    }    print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] "; print "load_1_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "load_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; }

exit $exit_val; }


 * 1) Netscreen CPU check ################

if ($o_check_type eq "nsc") { my @oidlists = ($nsc_cpu_5m, $nsc_cpu_1m, $nsc_cpu_5s); my $resultat = Centreon::SNMP::Utils::get_snmp_leef(\@oidlists, $session, $ERRORS{'UNKNOWN'});

if (!defined ($$resultat{$nsc_cpu_5s})) { print "No CPU information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

my @load = undef;

$load[0]=$$resultat{$nsc_cpu_5s}; $load[1]=$$resultat{$nsc_cpu_1m}; $load[2]=$$resultat{$nsc_cpu_5m};

print "CPU : $load[0] $load[1] $load[2] :";

$exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; }       if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; }       }    }    print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | cpu_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] "; print "cpu_1_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "cpu_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; }

exit $exit_val; }

if ( $o_check_type =~ /netsc|as400|bc|nokia|^hp$|lp|fg/ ) {
 * 1) CPU for : AS/400, Netsnmp, HP, Bluecoat, linkproof, fortigate  ###########

# Get load table my @oidlist = $cpu_oid{$o_check_type}; verb("Checking OID : @oidlist"); my $resultat = Centreon::SNMP::Utils::get_snmp_leef(\@oidlist, $session, $ERRORS{'UNKNOWN'});

if (!defined ($$resultat{$cpu_oid{$o_check_type}})) { print "No CPU information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

my $load=$$resultat{$cpu_oid{$o_check_type}}; verb("OID returned $load"); # for AS400, divide by 100 if ($o_check_type eq "as400") {$load /= 100; }; # for Net-snmp : oid returned idle time so load = 100-idle. if ($o_check_type eq "netsc") {$load = 100 - $load; };

printf("CPU used %.1f%% (",$load);

$exit_val=$ERRORS{"OK"}; if ($load > $o_crit) { print ">$o_crit) : CRITICAL";       $exit_val=$ERRORS{"CRITICAL"};    } else {        if ($load > $o_warn) {            print ">$o_warn) : WARNING"; $exit_val=$ERRORS{"WARNING"}; }   }    print "<$o_warn) : OK" if ($exit_val eq $ERRORS{"OK"});    (defined($o_perf)) ?        print " | cpu_prct_used=$load%;$o_warn;$o_crit\n"        : print "\n";    exit $exit_val; }

if ($o_check_type eq "hpux") {
 * 1) Checking hpux load

verb("Checking hpux load");

my @oidlists = ($hpux_load_1_min, $hpux_load_5_min, $hpux_load_15_min); my $resultat = Centreon::SNMP::Utils::get_snmp_leef(\@oidlists, $session, $ERRORS{'UNKNOWN'});

if (!defined ($$resultat{$hpux_load_1_min})) { print "No Load information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

my @load = undef;

$load[0]=$$resultat{$hpux_load_1_min}/100; $load[1]=$$resultat{$hpux_load_5_min}/100; $load[2]=$$resultat{$hpux_load_15_min}/100;

print "Load : $load[0] $load[1] $load[2] :";

$exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; }       if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; }       }    }    print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_1_min=$load[0]%;$o_warnL[0];$o_critL[0] "; print "load_5_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "load_15_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; }

exit $exit_val; }

my $resultat = Centreon::SNMP::Utils::get_snmp_table($base_proc, $session, $ERRORS{'UNKNOWN'}, \%OPTION);
 * 1) Standard cpu usage check ############
 * 2) Get desctiption table

my ($cpu_used,$ncpu)=(0,0); foreach my $key ( keys %$resultat) { verb("OID : $key, Desc : $$resultat{$key}"); if ( $key =~ /$proc_load/) { $cpu_used += $$resultat{$key}; $ncpu++; } }

if ($ncpu==0) { print "Can't find CPU usage information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; }

$cpu_used /= $ncpu;

print "$ncpu CPU, ", $ncpu==1 ? "load" : "average load"; printf(" %.1f%%",$cpu_used); $exit_val=$ERRORS{"OK"};

if ($cpu_used > $o_crit) { print " > $o_crit% : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } else { if ($cpu_used > $o_warn) { print " > $o_warn% : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } print " < $o_warn% : OK" if ($exit_val eq $ERRORS{"OK"}); (defined($o_perf)) ? print " | cpu_prct_used=$cpu_used%;$o_warn;$o_crit\n" : print "\n"; exit $exit_val;