526 lines
17 KiB
Perl
526 lines
17 KiB
Perl
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#!/usr/bin/perl -w
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############################## check_snmp_vrrp ##############
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my $VERSION = "2.0.0";
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# Date : Oct 17 2007
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# Author : Patrick Proy (patrick at proy.org)
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# Help : http://nagios.manubulon.com/
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# License : GPL - http://www.fsf.org/licenses/gpl.txt
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# Contrib : C. Maser (Alteon + Netscreen), Harm-Jan Blok (Foundry)
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#################################################################
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#
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# Help : ./check_snmp_vrrp.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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# Icinga specific
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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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######### Nokia (standard ???)
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my $all_vrrp = "1.3.6.1.2.1.68";
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my $nokia_base_vrrp = "1.3.6.1.2.1.68.1.3.1"; # oid for vrrp
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my $nokia_vrrp_oper = "1.3.6.1.2.1.68.1.3.1.3"; # vrrp operational status
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my $nokia_vrrp_admin = "1.3.6.1.2.1.68.1.3.1.4"; # vrrp admin status
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my $nokia_vrrp_prio = "1.3.6.1.2.1.68.1.3.1.5"; # vrrp vrid priority
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######### Nokia Ipso Clustering
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my $nokia_clust_table = "1.3.6.1.4.1.94.1.21.5.1.4.1"; # IpsoclusterEntry
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my $nokia_clust_index = "1.3.6.1.4.1.94.1.21.5.1.4.1.1.1"; #index
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my $nokia_clust_memberid = "1.3.6.1.4.1.94.1.21.5.1.4.1.2.1"; # member ID
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my $nokia_clust_percent = "1.3.6.1.4.1.94.1.21.5.1.4.1.3.1"; #percent assigned
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my $nokia_clust_rating = "1.3.6.1.4.1.94.1.21.5.1.4.1.4.1"; # node rating
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my $nokia_clust_addr = "1.3.6.1.4.1.94.1.21.5.1.4.1.5.1"; # ip address
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######### LinkProof
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my $lp_base_vrrp = "1.3.6.1.2.1.68.1.3.1"; # oid for vrrp
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my $lp_vrrp_oper = "1.3.6.1.2.1.68.1.3.1.4"; # vrrp operational status
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my $lp_vrrp_admin = "1.3.6.1.2.1.68.1.3.1.5"; # vrrp admin status
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my $lp_vrrp_prio = "1.3.6.1.2.1.68.1.3.1.6"; # vrrp vrid priority
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######### Alteon (AD4 Loadbalancers)
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my $alteon_base_vrrp = "1.3.6.1.4.1.1872.2.1.9.4";
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my $alteon_vrrp_oper = "1.3.6.1.4.1.1872.2.1.9.4.1.1.2";
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my $alteon_vrrp_admin = "";
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my $alteon_vrrp_prio = "1.3.6.1.4.1.1872.2.1.9.4.1.1.3";
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######### Netscreen (ScreenOS 5.1)
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### .0 is always the queried device itself
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### so in a cluster every device has its own numbering of members
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my $ns_base_vrrp = "1.3.6.1.4.1.3224.6.2";
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my $ns_vrrp_oper = "1.3.6.1.4.1.3224.6.2.2.1.3";
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my $ns_vrrp_admin = "";
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my $ns_vrrp_prio = "1.3.6.1.4.1.3224.6.2.2.1.4";
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######## Foundry
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my $foundry_base_vrrp = "1.3.6.1.4.1.1991.1.2.12.3.1.1"; # oid for vrrp
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my $foundry_vrrp_oper = "1.3.6.1.4.1.1991.1.2.12.3.1.1.10"; # vrrp operational status
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my $foundry_vrrp_admin = "1.3.6.1.4.1.1991.1.2.12.3.1.1.3"; # vrrp admin status
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my $foundry_vrrp_prio = "1.3.6.1.4.1.1991.1.2.12.3.1.1.6"; # vrrp vrid priority
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######### Make an array
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my %base_vrrp = (
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"nokia", $nokia_base_vrrp, "lp", $lp_base_vrrp, "alteon", $alteon_base_vrrp,
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"nsc", $ns_base_vrrp, "foundry", $foundry_base_vrrp
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);
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my %vrrp_oper = (
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"nokia", $nokia_vrrp_oper, "lp", $lp_vrrp_oper, "alteon", $alteon_vrrp_oper,
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"nsc", $ns_vrrp_oper, "foundry", $foundry_vrrp_oper
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);
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my %vrrp_admin = (
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"nokia", $nokia_vrrp_admin, "lp", $lp_vrrp_admin, "alteon", $alteon_vrrp_admin,
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"nsc", $ns_vrrp_admin, "foundry", $foundry_vrrp_admin
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);
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my %vrrp_prio = (
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"nokia", $nokia_vrrp_prio, "lp", $lp_vrrp_prio, "alteon", $alteon_vrrp_prio,
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"nsc", $ns_vrrp_prio, "foundry", $foundry_vrrp_oper
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);
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my %state_master = ("nokia", 3, "alteon", 2, "lp", 3, "nsc", 2, "foundry", 1);
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my %state_backup = ("nokia", 2, "alteon", 3, "lp", 2, "nsc", 3, "foundry", 2);
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# Globals
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my $o_host = undef; # hostname
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my $o_community = undef; # community
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my $o_version2 = undef; #use snmp v2c
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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_state = undef; # Check master or backup state for ok
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my $o_clustnum = undef; # number of cluster members
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my $o_clustprct = undef; # Max % assigned to one cluster.
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my $o_type = 'nokia'; # Check type : nokia|alteon|lp|nsc|foundry
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my $o_long = undef; # Make output long
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my $o_timeout = 5; # Default 5s Timeout
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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_vrrp version : $VERSION\n"; }
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sub print_usage {
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print
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"Usage: $0 [-v] -H <host> -C <snmp_community> [-2] | (-l login -x passwd [-X pass -L <authp>,<privp>]) -s <master|backup|num,%> [-T <nokia|alteon|lp|nsc|ipsocluster|foundry>] [-p <port>] [-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 VRRP Monitor for Icinga/Nagios/Naemon/Shinken, Version ", $VERSION, "\n";
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print "GPL license, (c)2004-2007 Patrick Proy\n\n";
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print_usage();
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print <<EOT;
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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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-T, --type=<nokia|alteon|lp|nsc|ipso>
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Type of vrrp router to check
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nokia (default) : Nokia vrrp. Should be working for most vrrp routers
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alteon : for Alteon AD4 Loadbalancers
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lp : Radware Linkproof
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nsc : Nescreen (ScreenOS 5.x NSRP)
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ipso : Nokia IPSO clustering
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foundry : Foundry VRRP
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-s, --state=master|backup|num,%
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Nokia ipso clustering : number of members, max % assigned to nodes.
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Other : check vrrp interface to be master or backup
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-g, --long
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Make output long even is all is OK
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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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# Get the alarm signal (just in case snmp timout screws up)
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$SIG{'ALRM'} = sub {
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print("ERROR: Alarm signal (Nagios time-out)\n");
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exit $ERRORS{"UNKNOWN"};
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};
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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,
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'verbose' => \$o_verb,
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'h' => \$o_help,
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'help' => \$o_help,
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'H:s' => \$o_host,
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'hostname:s' => \$o_host,
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'p:i' => \$o_port,
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'port:i' => \$o_port,
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'C:s' => \$o_community,
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'community:s' => \$o_community,
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't:i' => \$o_timeout,
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'timeout:i' => \$o_timeout,
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'V' => \$o_version,
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'version' => \$o_version,
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'g' => \$o_long,
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'long' => \$o_long,
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'T:s' => \$o_type,
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'type:s' => \$o_type,
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'2' => \$o_version2,
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'v2c' => \$o_version2,
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'l:s' => \$o_login,
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'login:s' => \$o_login,
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'x:s' => \$o_passwd,
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'passwd:s' => \$o_passwd,
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'X:s' => \$o_privpass,
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'privpass:s' => \$o_privpass,
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'L:s' => \$v3protocols,
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'protocols:s' => \$v3protocols,
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's:s' => \$o_state,
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'state:s' => \$o_state
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);
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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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{
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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# check snmp information
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if (!defined($o_community) && (!defined($o_login) || !defined($o_passwd))) {
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print "Put snmp login info!\n";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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if ((defined($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";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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if (defined($v3protocols)) {
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if (!defined($o_login)) {
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print "Put snmp V3 login info with protocols!\n";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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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";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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}
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# Check state
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if ($o_type eq "ipso") {
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my @state = split(/,/, $o_state);
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if ($#state != 1) {
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print "On ipso clustering : number of nodes, % assigned\n";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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$state[1] =~ s/%//;
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if (isnnum($state[0]) || isnnum($state[1])) {
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print "On ipso clustering (numbers) : number of nodes, % assigned\n";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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$o_clustnum = $state[0];
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$o_clustprct = $state[1];
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} else {
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if (!defined($o_state) || ($o_state ne "master") && ($o_state ne "backup")) {
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print "state must be master or backup\n";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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}
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# Check type
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if (
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!defined($o_type)
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|| ( ($o_type ne "nokia")
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&& ($o_type ne "alteon")
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&& ($o_type ne "lp")
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&& ($o_type ne "nsc")
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&& ($o_type ne "ipso")
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&& ($o_type ne "foundry"))
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)
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{
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print "type must be alteon,nokia,lp,nsc or ipso\n";
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print_usage();
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exit $ERRORS{"UNKNOWN"};
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}
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}
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########## MAIN #######
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check_options();
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# Check timeout if snmp screws up
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if (defined($o_timeout)) {
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verb("Alarm in $o_timeout seconds");
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alarm($o_timeout);
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}
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$SIG{'ALRM'} = sub {
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print "No answer from host $o_host:$o_port\n";
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exit $ERRORS{"UNKNOWN"};
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};
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# Connect to host
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my ($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, $o_authproto");
|
||
|
|
($session, $error) = Net::SNMP->session(
|
||
|
|
-hostname => $o_host,
|
||
|
|
-version => '3',
|
||
|
|
-username => $o_login,
|
||
|
|
-authpassword => $o_passwd,
|
||
|
|
-authprotocol => $o_authproto,
|
||
|
|
-port => $o_port,
|
||
|
|
-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,
|
||
|
|
-port => $o_port,
|
||
|
|
-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"};
|
||
|
|
}
|
||
|
|
|
||
|
|
############ Nokia ipso clustering
|
||
|
|
|
||
|
|
my $key = undef;
|
||
|
|
|
||
|
|
if ($o_type eq "ipso") {
|
||
|
|
|
||
|
|
# Get cluster table
|
||
|
|
my $resultat;
|
||
|
|
if (version->parse(Net::SNMP->VERSION) < 4) {
|
||
|
|
$resultat = $session->get_table($nokia_clust_table);
|
||
|
|
} else {
|
||
|
|
$resultat = $session->get_table(Baseoid => $nokia_clust_table);
|
||
|
|
}
|
||
|
|
if (!defined($resultat)) {
|
||
|
|
printf("ERROR: Description table : %s.\n", $session->error);
|
||
|
|
$session->close;
|
||
|
|
exit $ERRORS{"UNKNOWN"};
|
||
|
|
}
|
||
|
|
$session->close;
|
||
|
|
|
||
|
|
my $nclusterindex = 0;
|
||
|
|
my $output = undef;
|
||
|
|
my $overload = 0;
|
||
|
|
foreach $key (keys %$resultat) {
|
||
|
|
if ($key =~ /$nokia_clust_memberid/) {
|
||
|
|
|
||
|
|
# Get rid of the vrrp oper part
|
||
|
|
my $Cindex = $$resultat{$key};
|
||
|
|
$key =~ s/$nokia_clust_memberid\.//;
|
||
|
|
verb("Found cluster, index $key");
|
||
|
|
|
||
|
|
my $Pkey = $nokia_clust_percent . "." . $key;
|
||
|
|
my $percent = $$resultat{$Pkey};
|
||
|
|
verb("$percent / $Cindex");
|
||
|
|
if ($percent > $o_clustprct) { $overload = 1 }
|
||
|
|
if (defined($output)) {
|
||
|
|
$output .= "; Cluster " . $Cindex . " : " . $percent . "%";
|
||
|
|
} else {
|
||
|
|
$output = "Cluster " . $Cindex . " : " . $percent . "%";
|
||
|
|
}
|
||
|
|
$nclusterindex++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($nclusterindex == 0) {
|
||
|
|
print "No Cluster membre found : CRITICAL\n";
|
||
|
|
exit $ERRORS{"CRITICAL"};
|
||
|
|
}
|
||
|
|
if ($nclusterindex != $o_clustnum) {
|
||
|
|
print $output, " : Not ", $o_clustnum, " members : CRITICAL\n";
|
||
|
|
exit $ERRORS{"CRITICAL"};
|
||
|
|
}
|
||
|
|
if ($overload == 1) {
|
||
|
|
print $output, " assigned % is > ", $o_clustprct, " : WARNING\n";
|
||
|
|
exit $ERRORS{"WARNING"};
|
||
|
|
}
|
||
|
|
|
||
|
|
print $output, " : OK\n";
|
||
|
|
exit $ERRORS{"OK"};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
########### get vrrp table ############
|
||
|
|
|
||
|
|
# Get vrrp table
|
||
|
|
my $resultat;
|
||
|
|
if (version->parse(Net::SNMP->VERSION) < 4) {
|
||
|
|
$resultat = $session->get_table($base_vrrp{$o_type});
|
||
|
|
} else {
|
||
|
|
$resultat = $session->get_table(Baseoid => $base_vrrp{$o_type});
|
||
|
|
}
|
||
|
|
if (!defined($resultat)) {
|
||
|
|
printf("ERROR: Description table : %s.\n", $session->error);
|
||
|
|
$session->close;
|
||
|
|
exit $ERRORS{"UNKNOWN"};
|
||
|
|
}
|
||
|
|
$session->close;
|
||
|
|
|
||
|
|
my @vrid = undef;
|
||
|
|
my $nvrid = 0;
|
||
|
|
my $oid0 = undef;
|
||
|
|
my @oid = undef;
|
||
|
|
|
||
|
|
if ($o_type eq 'nsc') {
|
||
|
|
$nvrid = 1;
|
||
|
|
$vrid[0] = '0';
|
||
|
|
} else {
|
||
|
|
foreach $key (keys %$resultat) {
|
||
|
|
if ($key =~ /$vrrp_oper{$o_type}/) {
|
||
|
|
|
||
|
|
# Get rid of the vrrp oper part
|
||
|
|
$key =~ s/$vrrp_oper{$o_type}\.//;
|
||
|
|
@oid = split(/\./, $key);
|
||
|
|
$vrid[$nvrid] = pop(@oid);
|
||
|
|
$oid0 = pop(@oid);
|
||
|
|
while (defined($oid0)) {
|
||
|
|
$vrid[$nvrid] = $oid0 . "." . $vrid[$nvrid];
|
||
|
|
$oid0 = pop(@oid);
|
||
|
|
}
|
||
|
|
verb("Added vrid $vrid[$nvrid]");
|
||
|
|
$nvrid++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($nvrid == 0) { printf("No vrid found : CRITICAL\n"); exit $ERRORS{"CRITICAL"}; }
|
||
|
|
|
||
|
|
my $ok = 0;
|
||
|
|
my $value;
|
||
|
|
my $output = undef;
|
||
|
|
my $vrid_out;
|
||
|
|
for (my $i = 0; $i < $nvrid; $i++) {
|
||
|
|
$output .= ", " if (defined($output));
|
||
|
|
|
||
|
|
# Get last part of oid to output the vrid
|
||
|
|
$vrid_out = $vrid[$i];
|
||
|
|
$vrid_out =~ s/.*\.//;
|
||
|
|
$output .= "$vrid_out(";
|
||
|
|
|
||
|
|
# Get the state
|
||
|
|
$key = $vrrp_oper{$o_type} . "." . $vrid[$i];
|
||
|
|
|
||
|
|
$value
|
||
|
|
= ($$resultat{$key} == $state_master{$o_type}) ? "master"
|
||
|
|
: ($$resultat{$key} == $state_backup{$o_type}) ? "backup"
|
||
|
|
: "initialise : " . $$resultat{$key};
|
||
|
|
$output .= $value . "/";
|
||
|
|
($value eq $o_state) && $ok++;
|
||
|
|
|
||
|
|
# Get the administrative status
|
||
|
|
if (($o_type eq 'alteon') || ($o_type eq 'nsc')) {
|
||
|
|
$ok++;
|
||
|
|
} else {
|
||
|
|
$key = $vrrp_admin{$o_type} . "." . $vrid[$i];
|
||
|
|
$value = ($$resultat{$key} == 1) ? "up" : "down";
|
||
|
|
$output .= $value . "/";
|
||
|
|
if (($o_type eq 'foundry') && ($o_state eq 'backup') && ($value eq "down")) {
|
||
|
|
$ok++;
|
||
|
|
} else {
|
||
|
|
($value eq "up") && $ok++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Get the priority
|
||
|
|
$key = $vrrp_prio{$o_type} . "." . $vrid[$i];
|
||
|
|
$value = $$resultat{$key};
|
||
|
|
$output .= $value . ")";
|
||
|
|
}
|
||
|
|
|
||
|
|
verb("verif : $ok");
|
||
|
|
|
||
|
|
if ($ok == (2 * $nvrid)) {
|
||
|
|
if (defined($o_long)) {
|
||
|
|
printf("Vrid : %s : %s %s : OK\n", $output, $nvrid, $o_state);
|
||
|
|
} else {
|
||
|
|
printf("%s vrid %s :OK\n", $nvrid, $o_state);
|
||
|
|
}
|
||
|
|
exit $ERRORS{"OK"};
|
||
|
|
}
|
||
|
|
printf("Vrid : %s : not all %s : NOK\n", $output, $o_state);
|
||
|
|
exit $ERRORS{"CRITICAL"};
|