#!/usr/bin/perl -w ############################## check_snmp_linkproof_nhr ################# # Version : 1.0 # Date : Aug 24 2006 # Author : Patrick Proy ( patrick at proy.org) # Help : http://www.manubulon.com/nagios/ # License : GPL - http://www.fsf.org/licenses/gpl.txt # Changelog : # Contributors : ################################################################# # # Help : ./check_snmp_linkproof_nhr.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 my $lp_type = "1.3.6.1.4.1.89.35.1.38.1.1.13"; # node type (1=regular, 2=nhr). my $lp_name = "1.3.6.1.4.1.89.35.1.38.1.1.2"; # nhr name my $lp_users = "1.3.6.1.4.1.89.35.1.38.1.1.5"; # nhr users my $lp_state = "1.3.6.1.4.1.89.35.1.38.1.1.3"; # state : 1=active, 2=Notinservice, 3= nonewsessions. my $lp_port = "1.3.6.1.4.1.89.35.1.38.1.1.15"; # nhr users # Globals my $VERSION = "2.0.0"; 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 # specific my $o_nhr_num = undef; # nhr number TODO my $o_nhr_max = undef; # Maximum connexions TODO 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_linkproof_nhr version : $VERSION\n"; } sub print_usage { print "Usage: $0 [-v] -H -C [-2] | (-l login -x passwd [-X pass -L ,]) [-p ] [-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 Radware Linkproof NHR monitor for Icinga/Nagios/Naemon/Shinken, Version ", $VERSION, "\n"; print "(c)2004-2006 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) -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, '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, 'f' => \$o_perf, 'perfparse' => \$o_perf, 'perfdata' => \$o_perf ); # 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 $ERRORS{"UNKNOWN"}; } } } ########## MAIN ####### check_options(); # Check timeout if snmp screws up if (defined($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 ); } 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; ########### NHR checks ############## my $nhr_num = 0; # nujmber of NHR my @nhr_table = undef; # index of NHR my $output = undef; my $perf_output = ""; my @oids = undef; my $inactive_nhr = 0; my $global_status = 0; # Get load table my $resultat = (version->parse(Net::SNMP->VERSION) < 4) ? $session->get_table($lp_type) : $session->get_table(Baseoid => $lp_type); if (!defined($resultat)) { printf("ERROR: NHR table : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } my $oidindex = 0; foreach my $key (keys %$resultat) { verb("OID : $key, Desc : $$resultat{$key}"); if ($$resultat{$key} == 2) { # found NHR $key =~ s/$lp_type\.//; $nhr_table[$nhr_num++] = $key; $oids[$oidindex++] = $lp_name . "." . $key; $oids[$oidindex++] = $lp_users . "." . $key; $oids[$oidindex++] = $lp_state . "." . $key; $oids[$oidindex++] = $lp_port . "." . $key; verb("found nhr : $key"); } } if ($nhr_num == 0) { print "No NHR found : CRITICAL\n"; exit $ERRORS{"CRITICAL"}; } my $result = undef; if (version->parse(Net::SNMP->VERSION) < 4) { $result = $session->get_request(@oids); } else { if ($session->version == 0) { # snmpv1 $result = $session->get_request(-varbindlist => \@oids); } else { # snmp v2c or v3 : get_bulk_request is not really good for this, so do simple get $result = $session->get_request(-varbindlist => \@oids); } } if (!defined($result)) { printf("ERROR: NHR table get : %s.\n", $session->error); $session->close; exit $ERRORS{"UNKNOWN"}; } my ($nhr_name, $nhr_state, $nhr_users) = (undef, undef, undef); my @nhr_text_state = ("", "active", "Not in service", "No new session"); for (my $i = 0; $i < $nhr_num; $i++) { if (defined($output)) { $output .= "; "; } $nhr_name = $$result{ $lp_name . "." . $nhr_table[$i] }; $nhr_state = $$result{ $lp_state . "." . $nhr_table[$i] }; $nhr_users = $$result{ $lp_users . "." . $nhr_table[$i] }; $output .= $nhr_name . "(" . $nhr_users . "):" . $nhr_text_state[$nhr_state]; if ($nhr_state == 1) { if (defined($o_perf)) { if (defined($perf_output)) { $perf_output .= " "; } $perf_output .= $nhr_name . "=" . $nhr_users; } } elsif ($nhr_state == 2) { $inactive_nhr++; $global_status = 1; } else { $global_status = 1; } } $session->close; if ($inactive_nhr == $nhr_num) { $output .= " : CRITICAL"; if (defined($o_perf)) { $output .= " | " . $perf_output; } print $output, "\n"; exit $ERRORS{"CRITICAL"}; } if ($global_status == 1) { $output .= " : WARNING"; if (defined($o_perf)) { $output .= " | " . $perf_output; } print $output, "\n"; exit $ERRORS{"WARNING"}; } $output .= " : OK"; if (defined($o_perf)) { $output .= " | " . $perf_output; } print $output, "\n"; exit $ERRORS{"OK"};