~ubuntu-branches/ubuntu/precise/nagios-snmp-plugins/precise : revision 1

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#!/usr/bin/perl -w

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############################## check_snmp_nsbox #################

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# Version : 1.0

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# Date : Jan 16 2007

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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_nsbox.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 $ns_service_status= "1.3.6.1.4.1.14020.2.2.1.3.0"; # service status 1= ok ??

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my $ns_service_table= "1.3.6.1.4.1.14020.2.3"; # vhost & diode table

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my $ns_vhost_table= "1.3.6.1.4.1.14020.2.3.1"; # vhost table

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my $ns_vhost_name= "1.0"; # GUI Vhost Name

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my $ns_vhost_requests= "2.0"; # Instant Vhost Requests per Second : NOT POPULATED IN V 2.0.8

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my $ns_vhost_Trequests= "2.0"; # Total Vhost Requests : NOT POPULATED IN V 2.0.8

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my $ns_diode_table= "1.3.6.1.4.1.14020.2.3.2"; # diode table

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my $ns_diode_name= "1.0"; # GUI Diode Name

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my $ns_diode_status= "2.0"; # Last diode Status (" " = OK?) (undocumented)

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my $ns_rsa_prct_usage= ".1.3.6.1.4.1.14020.1.1.1.3.0"; # % usage of RSA operations. (undocumented)

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my $ns_rsa_oper_second= ".1.3.6.1.4.1.14020.1.1.3.4.0;"; # number of RSA operations/s (undocumented)

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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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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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# specific

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my $o_vhost= undef; # vhost regexp

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my $o_diode= undef; # diode regexp

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my $o_nvhost= undef; # vhost number

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my $o_ndiode= undef; # diode number

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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_nsbox 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>]) -d <diode> -s <vhost> -n <ndiode>,<nvhost> [-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 set_status { # return worst status with this order : OK, unknwonw, warning, critical

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my $new_status=shift;

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my $cur_status=shift;

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if (($cur_status == 0)|| ($new_status==$cur_status)){ return $new_status; }

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if ($new_status==3) { return $cur_status; }

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if ($new_status > $cur_status) {return $new_status;}

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return $cur_status;

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}

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sub is_pattern_valid { # Test for things like "<I\s*[^>" or "+5-i"

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my $pat = shift;

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if (!defined($pat)) { $pat=" ";} # Just to get rid of compilation time warnings

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return eval { "" =~ /$pat/; 1 } || 0;

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}

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sub help {

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print "\nSNMP NetSecureOne Netbox monitor for Nagios version ",$Version,"\n";

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print_usage();

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print <<EOT;

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Check that diode and vhost selected by regexp are active.

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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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-d, --diode=<diode>

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Diode selection by regexp

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-s, --vhost=<vhost>

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Vhost selection by regexp

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-n, --number=<ndiode>,<nvhost>

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number of diode and vhost that must be up.

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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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'd:s' => \$o_diode, 'diode:s' => \$o_diode,

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's:s' => \$o_vhost, 'vhost:s' => \$o_vhost,

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'n:s' => \$o_nvhost, 'number:s' => \$o_nvhost

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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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if (!defined($o_vhost) || !(is_pattern_valid($o_vhost)))

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{ print "Vhost selection must be set and be a valid regexp (-s)\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}

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if (!defined($o_diode) || !(is_pattern_valid($o_diode)))

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{ print "Diode selection must be set and be a valid regexp (-d)\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}

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if (!defined($o_nvhost))

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{ print "Diode and vhost number must be set (-n)\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}

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my @nsbox_number=split(/,/,$o_nvhost);

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if ($#nsbox_number != 1)

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{ print "2 numbers must be set with -n option\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}

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if (isnnum($nsbox_number[0]) || isnnum($nsbox_number[1]))

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{ print "2 numbers must be set with -n option\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}

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$o_ndiode=$nsbox_number[0];

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$o_nvhost=$nsbox_number[1];

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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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########### check global status ##############

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my @oidlist=($ns_service_status);

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my $resultat = (Net::SNMP->VERSION < 4) ?

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$session->get_request(@oidlist)

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: $session->get_request(-varbindlist => \@oidlist);

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if (!defined($resultat) || ($$resultat{$ns_service_status} eq "noSuchObject")) {

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printf("ERROR: Global status oid not found : %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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if ($$resultat{$ns_service_status} != 1) {

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print "Global service is in state ",$$resultat{$ns_service_status}," : CRITICAL\n";

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exit $ERRORS{"CRITICAL"};

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}

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########### check vhost & diode status ##############

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$resultat=undef;

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$resultat = (Net::SNMP->VERSION < 4) ?

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$session->get_table($ns_service_table)

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: $session->get_table(Baseoid => $ns_service_table);

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if (!defined($resultat)) {

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printf("ERROR: vhost and diode status 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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$session->close;

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my $output="";

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my $output_perf="";

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my ($index,$name)=undef;

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my ($nvhost,$ndiode)=(0,0);

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my (@found_vhost,@found_diode)=(undef,undef);

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foreach my $key ( keys %$resultat) {

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verb("OID : $key, Desc : $$resultat{$key}");

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if ( $key =~ /($ns_vhost_table)\.(\d+)\.($ns_vhost_name)/ ) { # Get index of vhost with name

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$index=$2;$name=$$resultat{$key};

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if ($name =~ /$o_vhost/) {

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$found_vhost[$nvhost++]=$name;

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verb ("found vhost $name");

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}

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}

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if ( $key =~ /($ns_diode_table)\.(\d+)\.($ns_diode_name)/ ) { # Get index of diode with name

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$index=$2;$name=$$resultat{$key};

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if ($name =~ /$o_diode/) {

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# TODO Check diode status : undocumented for now.

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$found_diode[$ndiode++]=$name;

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verb ("found diode $name");

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}

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}

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}

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if (($ndiode<$o_ndiode) || ($nvhost<$o_nvhost)) {

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$output = "Diode";

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if ($ndiode == 0 ) { $output.= ": none ";}

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else {

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$output.= "(".$ndiode."): :";

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for (my $i=0;$i<$ndiode;$i++) {

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$output.=$found_diode[$i]." ";

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}

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}

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$output .= "Vhost";

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if ($nvhost == 0 ) { $output.= ": none ";}

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else {

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$output.= "(".$nvhost."): :";

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for (my $i=0;$i<$nvhost;$i++) {

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$output.=$found_vhost[$i]." ";

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}

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}

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$output .= " < " . $o_ndiode .",". $o_nvhost ." : CRITICAL";

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print $output,"\n";

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exit $ERRORS{"CRITICAL"};

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}

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$output = $ndiode . " diodes, " .$nvhost." vhosts :";

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if (($ndiode>$o_ndiode) || ($nvhost>$o_nvhost)) {

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$output .= " > " . $o_ndiode .",". $o_nvhost ." : WARNING";

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} else {

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$output .= " OK";

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}

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print $output,"\n";

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exit $ERRORS{"OK"};

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