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nagios-snmp-plugins/check_snmp_boostedge.pl

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#!/usr/bin/perl -w
############################## check_snmp_boostedge.pl #################
# Version : 1.0
# Date : Jan 16 2007
# Author : Patrick Proy ( patrick at proy.org)
# Help : http://www.manubulon.com/nagios/
# Licence : GPL - http://www.fsf.org/licenses/gpl.txt
# Changelog :
# Contributors :
#################################################################
#
# Help : ./check_snmp_boostedge.pl -h
#
use strict;
use Net::SNMP;
use Getopt::Long;
# Nagios specific
use lib "/usr/local/nagios/libexec";
use utils qw(%ERRORS $TIMEOUT);
#my $TIMEOUT = 15;
#my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4);
# SNMP Datas
my $be_global_status= "1.3.6.1.4.1.4185.12.1.1.3.0"; # boostedge global status (stop(0), start(1))
my $be_service_number= "1.3.6.1.4.1.4185.12.1.5.1.0"; # beServiceNumber
my $be_service_table= "1.3.6.1.4.1.4185.12.1.5"; # beServices
my $be_service_name= "1.3.6.1.4.1.4185.12.1.5.2.1.2"; # beServiceName
my $be_service_status= "1.3.6.1.4.1.4185.12.1.5.2.1.4"; # status ("RUNNING")
my $be_service_mode= "1.3.6.1.4.1.4185.12.1.5.2.1.5"; # beServiceMode (disabled(0), enabled(1))
my $be_service_datain= "1.3.6.1.4.1.4185.12.1.5.2.1.6"; # beServiceDataIn (Not populated for now : HTTP/S - V5.2.16.0)
my $be_service_dataout= "1.3.6.1.4.1.4185.12.1.5.2.1.7"; # beServiceDataOut (Not populated for now : HTTP/S - V5.2.16.0)
my $be_service_connect= "1.3.6.1.4.1.4185.12.1.5.2.1.8"; # beServiceConnect (Not populated for now : HTTP/S - V5.2.16.0)
# Globals
my $Version='1.0';
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
my $o_timeout= undef; # Timeout (Default 5)
my $o_perf= undef; # Output performance data
my $o_version2= undef; # use snmp v2c
# Specific
my $o_service= undef; # service regexp selection
my $o_nservice= undef; # service number expected
# 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_boostedge 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>]) -s <service> -n <number> [-p <port>] [-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 set_status { # return worst status with this order : OK, unknwonw, warning, critical
my $new_status=shift;
my $cur_status=shift;
if (($cur_status == 0)|| ($new_status==$cur_status)){ return $new_status; }
if ($new_status==3) { return $cur_status; }
if ($new_status > $cur_status) {return $new_status;}
return $cur_status;
}
sub is_pattern_valid { # Test for things like "<I\s*[^>" or "+5-i"
my $pat = shift;
if (!defined($pat)) { $pat=" ";} # Just to get rid of compilation time warnings
return eval { "" =~ /$pat/; 1 } || 0;
}
sub help {
print "\nSNMP Boostedge service monitor for Nagios version ",$Version,"\n";
print "GPL Licensen, (c)2006-2007 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)
-s, --service=<service>
Regexp of service to select
-n, --number=<number>
Number of services selected that must be in running & enabled state
-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)
-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,
'f' => \$o_perf, 'perfparse' => \$o_perf,
's:s' => \$o_service, 'service:s' => \$o_service,
'n:i' => \$o_nservice, 'number:i' => \$o_nservice
);
# 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 $ERRORS{"UNKNOWN"}}
}
if (!defined($o_service) || !(is_pattern_valid($o_service)))
{ print "Service selection must be set and be a valid regexp\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
if (!defined($o_nservice) || isnnum($o_nservice))
{ print "Service number must be set and be an integer\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);
}
# 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 $ERRORS{"UNKNOWN"};
}
# Get global status
my @oidlist=($be_global_status);
my $resultat = (Net::SNMP->VERSION < 4) ?
$session->get_request(@oidlist)
: $session->get_request(-varbindlist => \@oidlist);
if (!defined($resultat)) {
printf("ERROR: Gloabal status table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
if ($$resultat{$be_global_status} != 1) {
print "Global service is stopped (",$$resultat{$be_global_status},") : CRITICAL\n";
exit $ERRORS{"CRITICAL"};
}
$resultat=undef;
# Get service table
$resultat = (Net::SNMP->VERSION < 4) ?
$session->get_table($be_service_table)
: $session->get_table(Baseoid => $be_service_table);
if (!defined($resultat)) {
printf("ERROR: Description table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
my $output="";
my $output_perf="";
my $global_status=0;
my ($nservice,$nservice_ok)=(0,0);
my (@found_service,@service_state)=undef;
foreach my $key ( keys %$resultat) {
verb("OID : $key, Desc : $$resultat{$key}");
if ( ($key =~ /$be_service_name\./) && ($$resultat{$key} =~ /$o_service/ )) { # Get index of service with name
$found_service[$nservice]=$$resultat{$key};
$key =~ s/$be_service_name//;
$service_state[$nservice]=$$resultat{$be_service_status.$key};
if (($service_state[$nservice] ne "RUNNING") || ($$resultat{$be_service_mode.$key}!=1)) {
$service_state[$nservice].="(".$$resultat{$be_service_mode.$key}.")";
$global_status=2;
} else {
$nservice_ok++
}
$nservice++;
verb ("Found service $found_service[$nservice-1]");
}
}
if ($o_nservice > $nservice_ok) {
for (my $i=0;$i<$nservice;$i++) {
if ($output ne "") { $output .= ", "; }
$output .= $found_service[$i] . ":" . $service_state[$i];
}
if ($output ne "") { $output .= ", "; }
$output .= ":" . $nservice_ok . " services OK < ".$o_nservice;
print $output, " : CRITICAL\n";
exit $ERRORS{"CRITICAL"};
}
$output = $nservice_ok . " services OK";
if ($o_nservice < $nservice_ok) {
print $output," > $o_nservice : WARNING\n";
exit $ERRORS{"WARNING"};
}
print $output," : OK\n";
exit $ERRORS{"OK"};
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