320 lines
9.9 KiB
Perl
320 lines
9.9 KiB
Perl
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#!/usr/bin/perl -w
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############################## check_snmp_linkproof_nhr #################
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# Version : 1.0
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# Date : Aug 24 2006
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# Author : Patrick Proy ( patrick at proy.org)
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# Help : http://www.manubulon.com/nagios/
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# Licence : GPL - http://www.fsf.org/licenses/gpl.txt
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# Changelog :
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# Contributors :
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#################################################################
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#
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# Help : ./check_snmp_linkproof_nhr.pl -h
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#
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use strict;
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use Net::SNMP;
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use Getopt::Long;
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# Nagios specific
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use lib "/usr/local/nagios/libexec";
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use utils qw(%ERRORS $TIMEOUT);
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#my $TIMEOUT = 15;
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#my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4);
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# SNMP Datas
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my $lp_type = "1.3.6.1.4.1.89.35.1.38.1.1.13"; # node type (1=regular, 2=nhr).
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my $lp_name = "1.3.6.1.4.1.89.35.1.38.1.1.2"; # nhr name
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my $lp_users = "1.3.6.1.4.1.89.35.1.38.1.1.5"; # nhr users
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my $lp_state = "1.3.6.1.4.1.89.35.1.38.1.1.3"; # state : 1=active, 2=Notinservice, 3= nonewsessions.
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my $lp_port = "1.3.6.1.4.1.89.35.1.38.1.1.15"; # nhr users
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# Globals
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my $Version='1.0';
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my $o_host = undef; # hostname
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my $o_community = undef; # community
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my $o_port = 161; # port
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my $o_help= undef; # wan't some help ?
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my $o_verb= undef; # verbose mode
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my $o_version= undef; # print version
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# specific
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my $o_nhr_num= undef; # nhr number TODO
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my $o_nhr_max= undef; # Maximum connexions TODO
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my $o_timeout= undef; # Timeout (Default 5)
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my $o_perf= undef; # Output performance data
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my $o_version2= undef; # use snmp v2c
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# SNMPv3 specific
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my $o_login= undef; # Login for snmpv3
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my $o_passwd= undef; # Pass for snmpv3
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my $v3protocols=undef; # V3 protocol list.
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my $o_authproto='md5'; # Auth protocol
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my $o_privproto='des'; # Priv protocol
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my $o_privpass= undef; # priv password
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# functions
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sub p_version { print "check_snmp_linkproof_nhr version : $Version\n"; }
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sub print_usage {
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print "Usage: $0 [-v] -H <host> -C <snmp_community> [-2] | (-l login -x passwd [-X pass -L <authp>,<privp>]) [-p <port>] [-f] [-t <timeout>] [-V]\n";
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}
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sub isnnum { # Return true if arg is not a number
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my $num = shift;
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if ( $num =~ /^(\d+\.?\d*)|(^\.\d+)$/ ) { return 0 ;}
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return 1;
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}
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sub help {
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print "\nSNMP Radware Linkproof NHR monitor for Nagios version ",$Version,"\n";
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print "(c)2004-2006 Patrick Proy\n\n";
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print_usage();
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print <<EOT;
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The plugin will test all nhr configured and will return
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OK if all nhr are active
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WARNING if one nhr at least is in "no new session" or "inactive" mode.
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CRITICAL if all nhr are inactive.
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-v, --verbose
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print extra debugging information
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-h, --help
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print this help message
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-H, --hostname=HOST
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name or IP address of host to check
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-C, --community=COMMUNITY NAME
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community name for the host's SNMP agent (implies v1 protocol)
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-2, --v2c
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Use snmp v2c
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-l, --login=LOGIN ; -x, --passwd=PASSWD
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Login and auth password for snmpv3 authentication
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If no priv password exists, implies AuthNoPriv
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-X, --privpass=PASSWD
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Priv password for snmpv3 (AuthPriv protocol)
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-L, --protocols=<authproto>,<privproto>
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<authproto> : Authentication protocol (md5|sha : default md5)
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<privproto> : Priv protocole (des|aes : default des)
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-P, --port=PORT
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SNMP port (Default 161)
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-f, --perfparse
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Perfparse compatible output
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-t, --timeout=INTEGER
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timeout for SNMP in seconds (Default: 5)
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-V, --version
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prints version number
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EOT
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}
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# For verbose output
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sub verb { my $t=shift; print $t,"\n" if defined($o_verb) ; }
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sub check_options {
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Getopt::Long::Configure ("bundling");
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GetOptions(
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'v' => \$o_verb, 'verbose' => \$o_verb,
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'h' => \$o_help, 'help' => \$o_help,
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'H:s' => \$o_host, 'hostname:s' => \$o_host,
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'p:i' => \$o_port, 'port:i' => \$o_port,
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'C:s' => \$o_community, 'community:s' => \$o_community,
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'l:s' => \$o_login, 'login:s' => \$o_login,
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'x:s' => \$o_passwd, 'passwd:s' => \$o_passwd,
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'X:s' => \$o_privpass, 'privpass:s' => \$o_privpass,
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'L:s' => \$v3protocols, 'protocols:s' => \$v3protocols,
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't:i' => \$o_timeout, 'timeout:i' => \$o_timeout,
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'V' => \$o_version, 'version' => \$o_version,
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'2' => \$o_version2, 'v2c' => \$o_version2,
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'f' => \$o_perf, 'perfparse' => \$o_perf,
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);
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# Basic checks
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if (defined($o_timeout) && (isnnum($o_timeout) || ($o_timeout < 2) || ($o_timeout > 60)))
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{ print "Timeout must be >1 and <60 !\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
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if (!defined($o_timeout)) {$o_timeout=5;}
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if (defined ($o_help) ) { help(); exit $ERRORS{"UNKNOWN"}};
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if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"}};
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if ( ! defined($o_host) ) # check host and filter
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{ print_usage(); exit $ERRORS{"UNKNOWN"}}
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# check snmp information
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if ( !defined($o_community) && (!defined($o_login) || !defined($o_passwd)) )
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{ print "Put snmp login info!\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
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if ((defined($o_login) || defined($o_passwd)) && (defined($o_community) || defined($o_version2)) )
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{ print "Can't mix snmp v1,2c,3 protocols!\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
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if (defined ($v3protocols)) {
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if (!defined($o_login)) { print "Put snmp V3 login info with protocols!\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
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my @v3proto=split(/,/,$v3protocols);
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if ((defined ($v3proto[0])) && ($v3proto[0] ne "")) {$o_authproto=$v3proto[0]; } # Auth protocol
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if (defined ($v3proto[1])) {$o_privproto=$v3proto[1]; } # Priv protocol
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if ((defined ($v3proto[1])) && (!defined($o_privpass))) {
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print "Put snmp V3 priv login info with priv protocols!\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
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}
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}
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########## MAIN #######
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check_options();
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# Check gobal timeout if snmp screws up
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if (defined($TIMEOUT)) {
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verb("Alarm at $TIMEOUT + 5");
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alarm($TIMEOUT+5);
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} else {
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verb("no global timeout defined : $o_timeout + 10");
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alarm ($o_timeout+10);
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}
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# Connect to host
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my ($session,$error);
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if ( defined($o_login) && defined($o_passwd)) {
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# SNMPv3 login
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verb("SNMPv3 login");
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if (!defined ($o_privpass)) {
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verb("SNMPv3 AuthNoPriv login : $o_login, $o_authproto");
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($session, $error) = Net::SNMP->session(
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-hostname => $o_host,
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-version => '3',
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-username => $o_login,
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-authpassword => $o_passwd,
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-authprotocol => $o_authproto,
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-timeout => $o_timeout
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);
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} else {
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verb("SNMPv3 AuthPriv login : $o_login, $o_authproto, $o_privproto");
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($session, $error) = Net::SNMP->session(
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-hostname => $o_host,
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-version => '3',
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-username => $o_login,
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-authpassword => $o_passwd,
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-authprotocol => $o_authproto,
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-privpassword => $o_privpass,
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-privprotocol => $o_privproto,
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-timeout => $o_timeout
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);
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}
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} else {
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if (defined ($o_version2)) {
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# SNMPv2 Login
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verb("SNMP v2c login");
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($session, $error) = Net::SNMP->session(
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-hostname => $o_host,
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-version => 2,
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-community => $o_community,
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-port => $o_port,
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-timeout => $o_timeout
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);
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} else {
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# SNMPV1 login
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verb("SNMP v1 login");
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($session, $error) = Net::SNMP->session(
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-hostname => $o_host,
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-community => $o_community,
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-port => $o_port,
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-timeout => $o_timeout
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);
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}
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}
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if (!defined($session)) {
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printf("ERROR opening session: %s.\n", $error);
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exit $ERRORS{"UNKNOWN"};
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}
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my $exit_val=undef;
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########### NHR checks ##############
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my $nhr_num=0; # nujmber of NHR
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my @nhr_table=undef; # index of NHR
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my $output=undef;
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my $perf_output="";
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my @oids=undef;
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my $inactive_nhr=0;
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my $global_status=0;
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# Get load table
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my $resultat = (Net::SNMP->VERSION < 4) ?
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$session->get_table($lp_type)
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: $session->get_table(Baseoid => $lp_type);
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if (!defined($resultat)) {
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printf("ERROR: NHR table : %s.\n", $session->error);
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$session->close;
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exit $ERRORS{"UNKNOWN"};
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}
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my $oidindex=0;
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foreach my $key ( keys %$resultat) {
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verb("OID : $key, Desc : $$resultat{$key}");
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if ($$resultat{$key} == 2) { # found NHR
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$key =~ s/$lp_type\.//;
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$nhr_table[$nhr_num++]=$key;
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$oids[$oidindex++]=$lp_name.".".$key;
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$oids[$oidindex++]=$lp_users.".".$key;
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$oids[$oidindex++]=$lp_state.".".$key;
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$oids[$oidindex++]=$lp_port.".".$key;
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verb ("found nhr : $key");
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}
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}
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if ($nhr_num==0) {
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print "No NHR found : CRITICAL\n";
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exit $ERRORS{"CRITICAL"};
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}
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my $result=undef;
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if (Net::SNMP->VERSION < 4) {
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$result = $session->get_request(@oids);
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} else {
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if ($session->version == 0) {
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# snmpv1
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$result = $session->get_request(-varbindlist => \@oids);
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} else {
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# snmp v2c or v3 : get_bulk_request is not really good for this, so do simple get
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$result = $session->get_request(-varbindlist => \@oids);
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}
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}
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if (!defined($result)) {
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printf("ERROR: NHR table get : %s.\n", $session->error);
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$session->close;
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exit $ERRORS{"UNKNOWN"};
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}
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my ($nhr_name,$nhr_state,$nhr_users)=(undef,undef,undef);
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my @nhr_text_state=("","active","Not in service","No new session");
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for (my $i=0;$i<$nhr_num;$i++) {
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if (defined ($output)) { $output .= "; ";}
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$nhr_name=$$result{$lp_name .".".$nhr_table[$i]};
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$nhr_state=$$result{$lp_state .".".$nhr_table[$i]};
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$nhr_users=$$result{$lp_users .".".$nhr_table[$i]};
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$output .= $nhr_name ."(" . $nhr_users . "):" . $nhr_text_state[$nhr_state];
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if ($nhr_state == 1) {
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if (defined ($o_perf)) {
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if (defined ($perf_output)) { $perf_output .= " ";}
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$perf_output .= $nhr_name."=".$nhr_users;
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}
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} elsif ($nhr_state == 2) {
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$inactive_nhr++; $global_status=1;
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} else { $global_status=1;}
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}
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$session->close;
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if ($inactive_nhr == $nhr_num) {
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$output .= " : CRITICAL";
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if (defined ($o_perf)) {$output .= " | " . $perf_output;}
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print $output,"\n";
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exit $ERRORS{"CRITICAL"};
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}
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if ($global_status ==1) {
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$output .= " : WARNING";
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if (defined ($o_perf)) {$output .= " | " . $perf_output;}
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print $output,"\n";
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exit $ERRORS{"WARNING"};
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}
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$output .= " : OK";
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if (defined ($o_perf)) {$output .= " | " . $perf_output;}
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print $output,"\n";
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exit $ERRORS{"OK"};
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