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nagios-snmp-plugins/plugins/check_snmp_load.pl

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New upstream version 2.0.0
2016-12-04 10:31:25 +00:00
#!/usr/bin/perl -w
############################## check_snmp_load #################
my $VERSION = "2.0.0";
# Date : Oct 12 2007
# Author : Patrick Proy ( patrick at proy.org)
# Help : http://nagios.manubulon.com/
# License : GPL - http://www.fsf.org/licenses/gpl.txt
# Contributors : F. Lacroix and many others !!!
#################################################################
#
# Help : ./check_snmp_load.pl -h
#
use strict;
use Net::SNMP;
use Getopt::Long;
# Icinga specific
my %ERRORS = ('OK' => 0, 'WARNING' => 1, 'CRITICAL' => 2, 'UNKNOWN' => 3, 'DEPENDENT' => 4);
# SNMP Datas
# Generic with host-ressource-mib
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
# 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
# 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 %)
# 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 %)
# 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 %)
# AS/400 CPU
my $as400_cpu = "1.3.6.1.4.1.2.6.4.5.1.0"; # AS400 CPU load (10000=100%);
# N5K CPU
my $n5k_cpu = "1.3.6.1.4.1.9.9.305.1.1.1.0"; # N5K CPU load (%)
# 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
# Procurve CPU
my $procurve_cpu = "1.3.6.1.4.1.11.2.14.11.5.1.9.6.1.0"; # Procurve CPU Counter
# Nokia CPU
my $nokia_cpu = "1.3.6.1.4.1.94.1.21.1.7.1.0"; # Nokia CPU % usage
# Bluecoat Appliance
my $bluecoat_cpu = "1.3.6.1.4.1.3417.2.4.1.1.1.4.1"; # Bluecoat %cpu usage.
# Fortigate CPU
my $fortigate_cpu = ".1.3.6.1.4.1.12356.1.8.0"; # Fortigate CPU % usage
# Linkproof Appliance
my $linkproof_cpu = "1.3.6.1.4.1.89.35.1.55.0"; # CPU RE (Routing Engine Tasks)
# 1.3.6.1.4.1.89.35.1.53.0 : Ressource utilisation (%) Considers network utilization and internal CPU utilization
# 1.3.6.1.4.1.89.35.1.54 : CPU only (%)
# 1.3.6.1.4.1.89.35.1.55 : network only (%)
# HP-UX cpu usage (thanks to krizb for the OIDs).
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";
# valid values
my @valid_types
= ("stand", "netsc", "netsl", "as400", "cisco", "cata", "nsc", "fg", "bc", "nokia", "hp", "lp", "hpux", "n5k");
# CPU OID array
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, "n5k", $n5k_cpu
);
# Globals
my $o_host = undef; # hostname
my $o_community = undef; # community
my $o_port = 161; # port
my $o_domain = 'udp/ipv4'; # protocol
my $o_help = undef; # wan't some help ?
my $o_verb = undef; # verbose mode
my $o_version = undef; # print version
# check type : stand | netsc | netsl | as400 | cisco | cata | nsc | fg | bc | nokia | hp | lp | hpux
my $o_check_type = "stand";
# End compatibility
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_timeout = undef; # Timeout (Default 5)
my $o_perf = undef; # Output performance data
my $o_version2 = undef; # use snmp v2c
# SNMPv3 specific
my $o_login = undef; # Login for snmpv3
my $o_passwd = undef; # Pass for snmpv3
my $v3protocols = undef; # V3 protocol list.
my $o_authproto = 'md5'; # Auth protocol
my $o_privproto = 'des'; # Priv protocol
my $o_privpass = undef; # priv password
# functions
sub p_version { print "check_snmp_load version : $VERSION\n"; }
sub print_usage {
print
"Usage: $0 [-v] -H <host> -C <snmp_community> [-2] | (-l login -x passwd [-X pass -L <authp>,<privp>]) [-p <port>] [-P <protocol>] -w <warn level> -c <crit level> -T=[stand|netsl|netsc|as400|cisco|cata|nsc|fg|bc|nokia|hp|lp|hpux] [-f] [-t <timeout>] [-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 Icinga/Nagios/Naemon/Shinken, Version ", $VERSION, "\n";
print "GPL license, (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)
-2, --v2c
Use snmp v2c
-l, --login=LOGIN ; -x, --passwd=PASSWD
Login and auth password for snmpv3 authentication
If no priv password exists, implies AuthNoPriv
-X, --privpass=PASSWD
Priv password for snmpv3 (AuthPriv protocol)
-L, --protocols=<authproto>,<privproto>
<authproto> : Authentication protocol (md5|sha : default md5)
<privproto> : Priv protocole (des|aes : default des)
-p, --port=PORT
SNMP port (Default 161)
-P, --protocol=PROTOCOL
Network protocol to be used
['udp/ipv4'] : UDP over IPv4
'udp/ipv6' : UDP over IPv6
'tcp/ipv4' : TCP over IPv4
'tcp/ipv6' : TCP over IPv6
Network protocol (Default udp/ipv4)
-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
n5k : Cisco Nexus 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, --perfdata
Performance data output
-t, --timeout=INTEGER
timeout for SNMP in seconds (Default: 5)
-V, --version
prints version number
EOT
}
# For verbose output
sub verb { my $t = shift; print $t, "\n" if defined($o_verb); }
sub check_options {
Getopt::Long::Configure("bundling");
GetOptions(
'v' => \$o_verb,
'verbose' => \$o_verb,
'h' => \$o_help,
'help' => \$o_help,
'H:s' => \$o_host,
'hostname:s' => \$o_host,
'p:i' => \$o_port,
'port:i' => \$o_port,
'P:s' => \$o_domain,
'protocol:s' => \$o_domain,
'C:s' => \$o_community,
'community:s' => \$o_community,
'l:s' => \$o_login,
'login:s' => \$o_login,
'x:s' => \$o_passwd,
'passwd:s' => \$o_passwd,
'X:s' => \$o_privpass,
'privpass:s' => \$o_privpass,
'L:s' => \$v3protocols,
'protocols:s' => \$v3protocols,
't:i' => \$o_timeout,
'timeout:i' => \$o_timeout,
'V' => \$o_version,
'version' => \$o_version,
'2' => \$o_version2,
'v2c' => \$o_version2,
'c:s' => \$o_crit,
'critical:s' => \$o_crit,
'w:s' => \$o_warn,
'warn:s' => \$o_warn,
'f' => \$o_perf,
'perfparse' => \$o_perf,
'perfdata' => \$o_perf,
'T:s' => \$o_check_type,
'type:s' => \$o_check_type
);
# 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 $ERRORS{"UNKNOWN"} }
# Basic checks
if (defined($o_timeout) && (isnnum($o_timeout) || ($o_timeout < 2) || ($o_timeout > 60))) {
print "Timeout must be >1 and <60 !\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (!defined($o_timeout)) { $o_timeout = 5; }
if (defined($o_help)) { help(); exit $ERRORS{"UNKNOWN"} }
if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"} }
if (!defined($o_host)) # check host and filter
{
print_usage();
exit $ERRORS{"UNKNOWN"};
}
# check snmp information
if (!defined($o_community) && (!defined($o_login) || !defined($o_passwd))) {
print "Put snmp login info!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ((defined($o_login) || defined($o_passwd)) && (defined($o_community) || defined($o_version2))) {
print "Can't mix snmp v1,2c,3 protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (defined($v3protocols)) {
if (!defined($o_login)) {
print "Put snmp V3 login info with protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
my @v3proto = split(/,/, $v3protocols);
if ((defined($v3proto[0])) && ($v3proto[0] ne "")) { $o_authproto = $v3proto[0]; } # Auth protocol
if (defined($v3proto[1])) { $o_privproto = $v3proto[1]; } # Priv protocol
if ((defined($v3proto[1])) && (!defined($o_privpass))) {
print "Put snmp V3 priv login info with priv protocols!\n";
print_usage();
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"} }
}
}
# This is required to get around all of the silly historical methods of
# versioning with Net::SNMP.
sub is_legacy_snmp_version {
my $version = Net::SNMP->VERSION; #using a variable for easier testing
if ($version =~ /^\D*(\d)/ and $1 < 4) {
return 1;
} else {
return 0;
}
}
########## MAIN #######
check_options();
# Check timeout if snmp screws up
if (defined($o_timeout)) {
verb("Alarm in $o_timeout seconds");
alarm($o_timeout);
}
$SIG{'ALRM'} = sub {
print "No answer from host $o_host:$o_port\n";
exit $ERRORS{"UNKNOWN"};
};
# Connect to host
my ($session, $error);
if (defined($o_login) && defined($o_passwd)) {
# SNMPv3 login
verb("SNMPv3 login");
if (!defined($o_privpass)) {
verb("SNMPv3 AuthNoPriv login : $o_login, $o_authproto");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-username => $o_login,
-authpassword => $o_passwd,
-authprotocol => $o_authproto,
-timeout => $o_timeout,
-domain => $o_domain
);
} else {
verb("SNMPv3 AuthPriv login : $o_login, $o_authproto, $o_privproto");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-username => $o_login,
-authpassword => $o_passwd,
-authprotocol => $o_authproto,
-privpassword => $o_privpass,
-privprotocol => $o_privproto,
-timeout => $o_timeout,
-domain => $o_domain
);
}
} else {
if (defined($o_version2)) {
# SNMPv2 Login
verb("SNMP v2c login");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => 2,
-community => $o_community,
-port => $o_port,
-timeout => $o_timeout,
-domain => $o_domain
);
} else {
# SNMPV1 login
verb("SNMP v1 login");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-community => $o_community,
-port => $o_port,
-timeout => $o_timeout,
-domain => $o_domain
);
}
}
if (!defined($session)) {
printf("ERROR opening session: %s.\n", $error);
exit $ERRORS{"UNKNOWN"};
}
my $exit_val = undef;
########### Linux load check ##############
if ($o_check_type eq "netsl") {
verb("Checking linux load");
# Get number of CPUs
my $resultat
= (is_legacy_snmp_version())
? $session->get_table($proc_id)
: $session->get_table(Baseoid => $proc_id);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
my $ncpu = keys %$resultat;
# Get load table
$resultat
= (is_legacy_snmp_version())
? $session->get_table($linload_table)
: $session->get_table(Baseoid => $linload_table);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
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] = $$resultat{ $linload_load . "." . $iload[$i] } }
print "Load (CPUs: $ncpu) : $load[0] $load[1] $load[2] :";
$exit_val = $ERRORS{"OK"};
for (my $i = 0; $i < 3; $i++) {
# Multiply warning and critical levels by the number of CPUs
$o_warnL[$i] *= $ncpu;
$o_critL[$i] *= $ncpu;
if ($load[$i] > $o_critL[$i]) {
print " $load[$i] > $o_critL[$i] : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
}
if ($load[$i] > $o_warnL[$i]) {
# output warn error only if no critical was found
if ($exit_val eq $ERRORS{"OK"}) {
print " $load[$i] > $o_warnL[$i] : WARNING";
$exit_val = $ERRORS{"WARNING"};
}
}
}
print " OK" if ($exit_val eq $ERRORS{"OK"});
if (defined($o_perf)) {
print " | load_1_min=$load[0];$o_warnL[0];$o_critL[0] ";
print "load_5_min=$load[1];$o_warnL[1];$o_critL[1] ";
print "load_15_min=$load[2];$o_warnL[2];$o_critL[2]\n";
} else {
print "\n";
}
exit $exit_val;
}
############## Cisco CPU check ################
if ($o_check_type eq "cisco") {
my @oidlists = ($cisco_cpu_5m, $cisco_cpu_1m, $cisco_cpu_5s);
my $resultat
= (is_legacy_snmp_version())
? $session->get_request(@oidlists)
: $session->get_request(-varbindlist => \@oidlists);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
if (!defined($$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] = $$resultat{$cisco_cpu_5m};
print "CPU : $load[0] $load[1] $load[2] :";
$exit_val = $ERRORS{"OK"};
for (my $i = 0; $i < 3; $i++) {
if ($load[$i] > $o_critL[$i]) {
print " $load[$i] > $o_critL[$i] : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
}
if ($load[$i] > $o_warnL[$i]) {
# output warn error only if no critical was found
if ($exit_val eq $ERRORS{"OK"}) {
print " $load[$i] > $o_warnL[$i] : WARNING";
$exit_val = $ERRORS{"WARNING"};
}
}
}
print " OK" if ($exit_val eq $ERRORS{"OK"});
if (defined($o_perf)) {
print " | load_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] ";
print "load_1_min=$load[1]%;$o_warnL[1];$o_critL[1] ";
print "load_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n";
} else {
print "\n";
}
exit $exit_val;
}
############## Cisco N5K CPU Check ###################
if ($o_check_type eq "n5k") {
my @oidlists = ($n5k_cpu);
my $resultat
= (is_legacy_snmp_version())
? $session->get_request(@oidlists)
: $session->get_request(-varbindlist => \@oidlists);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
if (!defined($$resultat{$n5k_cpu})) {
print "No CPU information : UNKNOWN\n";
exit $ERRORS{"UNKNOWN"};
}
my $n5k_load = $$resultat{$n5k_cpu};
if ($n5k_load > $o_crit) {
print "$n5k_load% > $o_crit% : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
} elsif ($n5k_load > $o_warn) {
print "$n5k_load% > $o_warn% : WARNING";
$exit_val = $ERRORS{"WARNING"};
} else {
print "CPU: $n5k_load%";
$exit_val = $ERRORS{"OK"};
}
if (defined($o_perf)) {
print " | n5k_load=$n5k_load%";
}
print "\n";
exit $exit_val;
}
############## Cisco Catalyst CPU check ################
if ($o_check_type eq "cata") {
my @oidlists = ($ciscocata_cpu_5m, $ciscocata_cpu_1m, $ciscocata_cpu_5s);
my $resultat
= (is_legacy_snmp_version())
? $session->get_request(@oidlists)
: $session->get_request(-varbindlist => \@oidlists);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
if (!defined($$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] = $$resultat{$ciscocata_cpu_5m};
print "CPU : $load[0] $load[1] $load[2] :";
$exit_val = $ERRORS{"OK"};
for (my $i = 0; $i < 3; $i++) {
if ($load[$i] > $o_critL[$i]) {
print " $load[$i] > $o_critL[$i] : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
}
if ($load[$i] > $o_warnL[$i]) {
# output warn error only if no critical was found
if ($exit_val eq $ERRORS{"OK"}) {
print " $load[$i] > $o_warnL[$i] : WARNING";
$exit_val = $ERRORS{"WARNING"};
}
}
}
print " OK" if ($exit_val eq $ERRORS{"OK"});
if (defined($o_perf)) {
print " | load_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] ";
print "load_1_min=$load[1]%;$o_warnL[1];$o_critL[1] ";
print "load_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n";
} else {
print "\n";
}
exit $exit_val;
}
############## Netscreen CPU check ################
if ($o_check_type eq "nsc") {
my @oidlists = ($nsc_cpu_5m, $nsc_cpu_1m, $nsc_cpu_5s);
my $resultat
= (is_legacy_snmp_version())
? $session->get_request(@oidlists)
: $session->get_request(-varbindlist => \@oidlists);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
if (!defined($$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] = $$resultat{$nsc_cpu_5m};
print "CPU : $load[0] $load[1] $load[2] :";
$exit_val = $ERRORS{"OK"};
for (my $i = 0; $i < 3; $i++) {
if ($load[$i] > $o_critL[$i]) {
print " $load[$i] > $o_critL[$i] : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
}
if ($load[$i] > $o_warnL[$i]) {
# output warn error only if no critical was found
if ($exit_val eq $ERRORS{"OK"}) {
print " $load[$i] > $o_warnL[$i] : WARNING";
$exit_val = $ERRORS{"WARNING"};
}
}
}
print " OK" if ($exit_val eq $ERRORS{"OK"});
if (defined($o_perf)) {
print " | cpu_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] ";
print "cpu_1_min=$load[1]%;$o_warnL[1];$o_critL[1] ";
print "cpu_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n";
} else {
print "\n";
}
exit $exit_val;
}
################## CPU for : AS/400 , Netsnmp, HP, Bluecoat, linkproof, fortigate ###########
if ($o_check_type =~ /netsc|as400|bc|nokia|^hp$|lp|fg/) {
# Get load table
my @oidlist = $cpu_oid{$o_check_type};
verb("Checking OID : @oidlist");
my $resultat
= (is_legacy_snmp_version())
? $session->get_request(@oidlist)
: $session->get_request(-varbindlist => \@oidlist);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
if (!defined($$resultat{ $cpu_oid{$o_check_type} })) {
print "No CPU information : UNKNOWN\n";
exit $ERRORS{"UNKNOWN"};
}
my $load = $$resultat{ $cpu_oid{$o_check_type} };
verb("OID returned $load");
# for AS400, divide by 100
if ($o_check_type eq "as400") { $load /= 100; }
# for Net-snmp : oid returned idle time so load = 100-idle.
if ($o_check_type eq "netsc") { $load = 100 - $load; }
printf("CPU used %.1f%% (", $load);
$exit_val = $ERRORS{"OK"};
if ($load > $o_crit) {
print ">$o_crit) : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
} else {
if ($load > $o_warn) {
print ">$o_warn) : WARNING";
$exit_val = $ERRORS{"WARNING"};
}
}
print "<$o_warn) : OK" if ($exit_val eq $ERRORS{"OK"});
(defined($o_perf))
? print " | cpu_prct_used=$load%;$o_warn;$o_crit\n"
: print "\n";
exit $exit_val;
}
##### Checking hpux load
if ($o_check_type eq "hpux") {
verb("Checking hpux load");
my @oidlists = ($hpux_load_1_min, $hpux_load_5_min, $hpux_load_15_min);
my $resultat
= (is_legacy_snmp_version())
? $session->get_request(@oidlists)
: $session->get_request(-varbindlist => \@oidlists);
if (!defined($resultat)) {
printf("ERROR: Load table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
if (!defined($$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] = $$resultat{$hpux_load_15_min} / 100;
print "Load : $load[0] $load[1] $load[2] :";
$exit_val = $ERRORS{"OK"};
for (my $i = 0; $i < 3; $i++) {
if ($load[$i] > $o_critL[$i]) {
print " $load[$i] > $o_critL[$i] : CRITICAL";
$exit_val = $ERRORS{"CRITICAL"};
}
if ($load[$i] > $o_warnL[$i]) {
# output warn error only if no critical was found
if ($exit_val eq $ERRORS{"OK"}) {
print " $load[$i] > $o_warnL[$i] : WARNING";
$exit_val = $ERRORS{"WARNING"};
}
}
}
print " OK" if ($exit_val eq $ERRORS{"OK"});
if (defined($o_perf)) {
print " | load_1_min=$load[0]%;$o_warnL[0];$o_critL[0] ";
print "load_5_min=$load[1]%;$o_warnL[1];$o_critL[1] ";
print "load_15_min=$load[2]%;$o_warnL[2];$o_critL[2]\n";
} else {
print "\n";
}
exit $exit_val;
}
########## Standard cpu usage check ############
# Get desctiption table
my $resultat
= (is_legacy_snmp_version())
? $session->get_table($base_proc)
: $session->get_table(Baseoid => $base_proc);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
my ($cpu_used, $ncpu) = (0, 0);
foreach my $key (keys %$resultat) {
verb("OID : $key, Desc : $$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;
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