#!/usr/bin/perl -w ############################## check_snmp_load ################# my $Version='1.12'; # Date : Oct 12 2007 # Author : Patrick Proy ( patrick at proy.org) # Help : http://nagios.manubulon.com/ # Licence : 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; # Nagios specific my $TIMEOUT = 15; 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%); # 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 $hpux_load_15_min="1.3.6.1.4.1.11.2.3.1.1.5.0"; # valid values my @valid_types = ("stand","netsc","netsl","as400","cisco","cata","nsc","fg","bc","nokia","hp","lp","hpux"); # CPU OID array my %cpu_oid = ("netsc",$ns_cpu_idle,"as400",$as400_cpu,"bc",$bluecoat_cpu,"nokia",$nokia_cpu,"hp",$procurve_cpu,"lp",$linkproof_cpu,"fg",$fortigate_cpu); # Globals my $o_host = undef; # hostname my $o_community = undef; # community my $o_port = 161; # port 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 -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 <, : Authentication protocol (md5|sha : default md5) : Priv protocole (des|aes : default des) -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 } # 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, '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, '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 $ERRORS{"UNKNOWN"}} } } ########## MAIN ####### check_options(); # Check gobal timeout if snmp screws up if (defined($TIMEOUT)) { verb("Alarm at $TIMEOUT + 5"); alarm($TIMEOUT+5); } else { verb("no global timeout defined : $o_timeout + 10"); alarm ($o_timeout+10); } $SIG{'ALRM'} = sub { print "No answer from host\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 ); } 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 => $o_timeout ); } } else { if (defined ($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 => $o_timeout ); } else { # SNMPV1 login verb("SNMP v1 login"); ($session, $error) = Net::SNMP->session( -hostname => $o_host, -community => $o_community, -port => $o_port, -timeout => $o_timeout ); } } if (!defined($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 load table my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_table($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] = $$resultat{$linload_load . "." . $iload[$i]}}; print "Load : $load[0] $load[1] $load[2] :"; $exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } } print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_1_min=$load[0];$o_warnL[0];$o_critL[0] "; print "load_5_min=$load[1];$o_warnL[1];$o_critL[1] "; print "load_15_min=$load[2];$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; } exit $exit_val; } ############## Cisco CPU check ################ if ($o_check_type eq "cisco") { my @oidlists = ($cisco_cpu_5m, $cisco_cpu_1m, $cisco_cpu_5s); my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_request(@oidlists) : $session->get_request(-varbindlist => \@oidlists); if (!defined($resultat)) { printf("ERROR: Description table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } $session->close; if (!defined ($$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]=$$resultat{$cisco_cpu_5m}; print "CPU : $load[0] $load[1] $load[2] :"; $exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } } print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] "; print "load_1_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "load_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; } exit $exit_val; } ############## Cisco Catalyst CPU check ################ if ($o_check_type eq "cata") { my @oidlists = ($ciscocata_cpu_5m, $ciscocata_cpu_1m, $ciscocata_cpu_5s); my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_request(@oidlists) : $session->get_request(-varbindlist => \@oidlists); if (!defined($resultat)) { printf("ERROR: Description table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } $session->close; if (!defined ($$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]=$$resultat{$ciscocata_cpu_5m}; print "CPU : $load[0] $load[1] $load[2] :"; $exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } } print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] "; print "load_1_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "load_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; } exit $exit_val; } ############## Netscreen CPU check ################ if ($o_check_type eq "nsc") { my @oidlists = ($nsc_cpu_5m, $nsc_cpu_1m, $nsc_cpu_5s); my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_request(@oidlists) : $session->get_request(-varbindlist => \@oidlists); if (!defined($resultat)) { printf("ERROR: Description table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } $session->close; if (!defined ($$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]=$$resultat{$nsc_cpu_5m}; print "CPU : $load[0] $load[1] $load[2] :"; $exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } } print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | cpu_5_sec=$load[0]%;$o_warnL[0];$o_critL[0] "; print "cpu_1_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "cpu_5_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; } exit $exit_val; } ################## CPU for : AS/400 , Netsnmp, HP, Bluecoat, linkproof, fortigate ########### if ( $o_check_type =~ /netsc|as400|bc|nokia|^hp$|lp|fg/ ) { # Get load table my @oidlist = $cpu_oid{$o_check_type}; verb("Checking OID : @oidlist"); my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_request(@oidlist) : $session->get_request(-varbindlist => \@oidlist); if (!defined($resultat)) { printf("ERROR: Description table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } $session->close; if (!defined ($$resultat{$cpu_oid{$o_check_type}})) { print "No CPU information : UNKNOWN\n"; exit $ERRORS{"UNKNOWN"}; } my $load=$$resultat{$cpu_oid{$o_check_type}}; verb("OID returned $load"); # for AS400, divide by 100 if ($o_check_type eq "as400") {$load /= 100; }; # for Net-snmp : oid returned idle time so load = 100-idle. if ($o_check_type eq "netsc") {$load = 100 - $load; }; printf("CPU used %.1f%% (",$load); $exit_val=$ERRORS{"OK"}; if ($load > $o_crit) { print ">$o_crit) : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } else { if ($load > $o_warn) { print ">$o_warn) : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } print "<$o_warn) : OK" if ($exit_val eq $ERRORS{"OK"}); (defined($o_perf)) ? print " | cpu_prct_used=$load%;$o_warn;$o_crit\n" : print "\n"; exit $exit_val; } ##### Checking hpux load if ($o_check_type eq "hpux") { verb("Checking hpux load"); my @oidlists = ($hpux_load_1_min, $hpux_load_5_min, $hpux_load_15_min); my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_request(@oidlists) : $session->get_request(-varbindlist => \@oidlists); if (!defined($resultat)) { printf("ERROR: Load table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } $session->close; if (!defined ($$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]=$$resultat{$hpux_load_15_min}/100; print "Load : $load[0] $load[1] $load[2] :"; $exit_val=$ERRORS{"OK"}; for (my $i=0;$i<3;$i++) { if ( $load[$i] > $o_critL[$i] ) { print " $load[$i] > $o_critL[$i] : CRITICAL"; $exit_val=$ERRORS{"CRITICAL"}; } if ( $load[$i] > $o_warnL[$i] ) { # output warn error only if no critical was found if ($exit_val eq $ERRORS{"OK"}) { print " $load[$i] > $o_warnL[$i] : WARNING"; $exit_val=$ERRORS{"WARNING"}; } } } print " OK" if ($exit_val eq $ERRORS{"OK"}); if (defined($o_perf)) { print " | load_1_min=$load[0]%;$o_warnL[0];$o_critL[0] "; print "load_5_min=$load[1]%;$o_warnL[1];$o_critL[1] "; print "load_15_min=$load[2]%;$o_warnL[2];$o_critL[2]\n"; } else { print "\n"; } exit $exit_val; } ########## Standard cpu usage check ############ # Get desctiption table my $resultat = (Net::SNMP->VERSION < 4) ? $session->get_table($base_proc) : $session->get_table(Baseoid => $base_proc); if (!defined($resultat)) { printf("ERROR: Description table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } $session->close; my ($cpu_used,$ncpu)=(0,0); foreach my $key ( keys %$resultat) { verb("OID : $key, Desc : $$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;