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nagios-plugins/check_snmp/check_snmp_interfaces
Pall Sigurdsson f0a0ce515b make sure nagios does not run us in embedded perl
2012-09-17 12:10:51 +00:00

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#!/usr/bin/perl
# nagios: -epn
#
#
# AUTHORS:
# Based on check_snmp_cisco_ifs by Opsera Limited.
# Author: Pall Sigurdsson <palli 'at' opensource.is>
#
# This software is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this software; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ChangeLog
# 2010-06-10:
# Modified to include -B option for Brocade SAN switches
# 2010-02-05:
# Initial Release
use lib qw ( /usr/local/nagios/perl/lib );
use Net::SNMP;
use Getopt::Std;
use Socket;
$script = "check_snmp_interfaces";
$script_version = "1.1";
# SNMP options
$version = "2c";
$timeout = 2;
$number_of_interfaces = 0;
$target_interface_index = 0;
@list_interfaces=(); # List of inappropriate interfaces;
$oid_base = ".1.3.6.1.2.1.2.2.1.1.";
$oid_sysdescr = ".1.3.6.1.2.1.1.1.0";
$oid_ifnumber = ".1.3.6.1.2.1.2.1.0"; # number of interfaces on device
$oid_ifdescr = ".1.3.6.1.2.1.2.2.1.2."; # need to append integer for specific interface
$oid_iftype = ".1.3.6.1.2.1.2.2.1.3."; # need to append integer for specific interface
$oid_ifmtu = ".1.3.6.1.2.1.2.2.1.4."; # need to append integer for specific interface
$oid_ifspeed = ".1.3.6.1.2.1.2.2.1.5."; # need to append integer for specific interface
$oid_ifphysaddress = ".1.3.6.1.2.1.2.2.1.6."; # need to append integer for specific interface
$oid_ifadminstatus = ".1.3.6.1.2.1.2.2.1.7."; # need to append integer for specific interface
$oid_ifoperstatus = ".1.3.6.1.2.1.2.2.1.8."; # need to append integer for specific interface
$oid_iflastchange = ".1.3.6.1.2.1.2.2.1.9."; # need to append integer for specific interface
$oid_ifinerrors = ".1.3.6.1.2.1.2.2.1.14."; # need to append integer for specific interface
$oid_ifouterrors = ".1.3.6.1.2.1.2.2.1.20."; # need to append integer for specific interface
$oid_ifoutqlen = ".1.3.6.1.2.1.2.2.1.21."; # need to append integer for specific interface
my $realbitssec; # Perf data is always in bps, save this data here
$longServiceOutput = ();
# Cisco Specific
$oid_locIfIntBitsSec = "1.3.6.1.4.1.9.2.2.1.1.6."; # need to append integer for specific interface
$oid_locIfOutBitsSec = "1.3.6.1.4.1.9.2.2.1.1.8."; # need to append integer for specific interface
$ifdescr = "n/a";
$iftype = "n/a";
$ifmtu = "n/a";
$ifspeed = "n/a";
$ifphysaddress = "n/a";
$ifadminstatus = "n/a";
$ifoperstatus = "n/a";
$iflastchange = "n/a";
$ifinerrors = "n/a";
$ifouterrors = "n/a";
$ifoutqlen = "n/a";
$ifoutbitssec = "n/a";
# swFCPortPhyState OBJECT-TYPE
# SYNTAX INTEGER {
# noCard (1),
# noTransceiver (2),
# laserFault (3),
# noLight (4),
# noSync (5),
# inSync (6),
# portFault (7),
# diagFault (8),
# lockRef (9)
# }
%phyState = ();
$phyState{1} = "noCard";
$phyState{2} = "noTransceiver";
$phyState{3} = "laserFault";
$phyState{4} = "noLight";
$phyState{5} = "noSync";
$phyState{6} = "inSync";
$phyState{7} = "portFault";
$phyState{8} = "diagFault";
$phyState{9} = "lockRef";
# swFCPortLinkState OBJECT-TYPE
# SYNTAX INTEGER {
# enabled (1),
# disabled (2),
# loopback (3)
# }
%linkState = ();
$linkState{1} = "enabled";
$linkState{2} = "disabled";
$linkState{3} = "loopback";
%admState = ();
$admState{1} = "online";
$admState{2} = "offline";
$admState{3} = "testing";
$admState{4} = "faulty";
%opState = ();
$opState{0} = "unknown";
$opState{1} = "online";
$opState{2} = "offline";
$opState{3} = "testing";
$opState{4} = "faulty";
#$warning = 100000000; # Warning threshold
#$critical = 100000000; # Critical threshold
$hostname = "192.168.10.21";
#$hostname = "212.113.28.134";
$returnstring = "";
$community = "public"; # Default community string
# Do we have enough information?
if ( @ARGV < 1 ) {
print "Too few arguments\n";
usage();
}
getopts("hH:C:BdlE:");
if ($opt_h) {
usage();
exit(0);
}
if ($opt_H) {
$hostname = $opt_H;
#print "Hostname $opt_H\n";
}
else {
print "No hostname specified\n";
usage();
exit(0);
}
# -B is for brocade defice
if ($opt_B) {
$oid_PhyState = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.3.";
$oid_OpStatus = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.4.";
$oid_AdmStatus = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.5.";
$oid_LinkState = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.6.";
$oid_PortName = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.36.";
$oid_PortSpecifier = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.37.";
$oid_base = ".1.3.6.1.4.1.1588.2.1.1.1.6.2.1.1.";
$oid_ifadminstatus = $oid_LinkState; # need to append integer for specific interface
$oid_ifoperstatus = $oid_OpStatus ; # need to append integer for specific interface
$oid_ifdescr = $oid_PortSpecifier;
}
if ($opt_C) {
$community = $opt_C;
}
$exclude_interface = "bull";
if (defined($opt_E)) {
$exclude_interface = $opt_E;
}
if ($opt_w) {
$warning = $opt_w;
}
if ($opt_c) {
$critical = $opt_c;
}
else {
# print "Using community $community\n";
}
# Create the SNMP session
$oid_sysDescr = ".1.3.6.1.2.1.1.1.0"; # Used to check whether SNMP is actually responding
$version = "1";
( $s, $e ) = Net::SNMP->session(
-community => $community,
-hostname => $hostname,
-version => $version,
-timeout => $timeout,
);
if ( !defined($s) ) {
if (!gethostbyname($hostname)) {
print "Can't resolve $hostname !\n";
}
else {
print "Unable to establish SNMP session with $hostname !\n";
}
exit(1);
}
if ( !defined( $s->get_request($oid_sysDescr) ) ) {
# If we can't connect using SNMPv1 lets try as SNMPv2
$s->close();
sleep 0.5;
$version = "2c";
( $s, $e ) = Net::SNMP->session(
-community => $community,
-hostname => $hostname,
-version => $version,
-timeout => $timeout,
);
if ( !defined( $s->get_request($oid_sysDescr) ) ) {
print "Agent not responding, tried SNMP v1 and v2\n";
exit(1);
}
}
$status = check_interfaces();
# Close the session
$s->close();
if ( $status == 0 ) {
print "OK - $returnstring\n";
exit $status;
}
elsif ( $status == 1 ) {
print "Warning - $returnstring\n";
exit $status;
}
elsif ( $status == 2 ) {
print "CRITICAL - $returnstring\n";
exit $status;
}
else {
print "Plugin error! SNMP status unknown $returnstring\n";
exit $status;
}
exit 3;
#################################################
# Finds match for supplied interface name
#################################################
sub check_interfaces {
my $resultat = $s->get_table($oid_base);
#print $oid_base;
if (!defined($resultat)) {
printf("ERROR: NHR table : %s.\n", $s->error);
$s->close;
exit 3;
}
my @keys=undef;
my $oidindex=0;
foreach my $key ( keys %$resultat) {
#verb("OID : $key, Desc : $$resultat{$key}" );
#print $$resultat{$key} + "\n";
$key =~ s/$oid_base//;
push(@keys, $key);
#print "$key \n";
}
#print $resultat ;
#exit 0;
if ( !defined( $s->get_request($oid_ifnumber) ) ) {
if ( !defined( $s->get_request($oid_sysdescr) ) ) {
print "Status is a Warning Level - SNMP agent not responding\n";
exit 1;
}
else {
print "Status is a Warning Level - SNMP OID does not exist\n";
exit 1;
}
}
else {
foreach ( $s->var_bind_names() ) {
$number_of_interfaces = $s->var_bind_list()->{$_};
if ( $number_of_interfaces == 0 ) {
return 1;
}
}
}
#$index = 1;
#while ( $index <= $number_of_interfaces ) {
# Weed out empty entries
@keys = grep(!/^$/, @keys);
#@keys = sort(@keys);
foreach $index ( @keys ) {
my $target_interface_index = $index;
$oid_temp = $oid_ifdescr . $index;
if ( !defined( $s->get_request($oid_temp) ) ) {
}
else {
foreach ( $s->var_bind_names() ) {
$temp_interface_descr = $s->var_bind_list()->{$_};
$temp_interface_descr = sprintf("%02d", $temp_interface_descr) if $opt_B;
}
next if ($temp_interface_descr =~ m/$exclude_interface/);
if ( lc($temp_interface_descr) eq lc($target_interface) ) {
$target_interface_index = $index;
}
}
############################
$oid_temp = $oid_ifadminstatus . $target_interface_index;
if ( !defined( $s->get_request($oid_temp) ) ) {
}
else {
foreach ( $s->var_bind_names() ) {
$ifadminstatus = $s->var_bind_list()->{$_};
}
}
############################
$oid_temp = $oid_ifoperstatus . $target_interface_index;
if ( !defined( $s->get_request($oid_temp) ) ) {
}
else {
foreach ( $s->var_bind_names() ) {
$ifoperstatus = $s->var_bind_list()->{$_};
}
}
$temp = "port $temp_interface_descr is $opState{$ifoperstatus} ($ifoperstatus) / $linkState{$ifadminstatus} ($ifadminstatus) \n";
push(@longServiceOutput, $temp);
if ($opt_d) {
print ": $temp_interface_descr: $opState{$ifoperstatus} ($ifoperstatus) / $linkState{$ifadminstatus} ($ifadminstatus) \n";
}
############################
if ( $ifoperstatus != $ifadminstatus ) {
if ($opt_B && $ifadminstatus == 2) {
next;
}
push(@list_interfaces, $temp_interface_descr);
#print ": $temp_interface_descr: $ifoperstatus / $ifadminstatus \n";
}
# $index++;
}
# Edit The return message and exit to main.
$returnmessage = "";
$returncode = 3;
sort(@list_interfaces);
my $list_interfaces = @list_interfaces;
my $keys = @keys;
if ($list_interfaces > 0) {
append("$list_interfaces out of $keys in inappropriate state: @list_interfaces\n");
$returncode=1;
}
else {
append("All $keys interfaces in appropriate state\n");
$returncode=0;
}
# If -l was requested, sort the interface list before returning.
if ($opt_l) {
$longOutput = "";
@longServiceOutput = sort(@longServiceOutput);
foreach (@longServiceOutput) {
append($_) ;
}
}
return $returncode;
}
####################################################################
# help and usage information #
####################################################################
sub usage {
print << "USAGE";
--------------------------------------------------------------------
$script v$script_version
Monitors status of all interfaces via SNMP
Usage: $script -H <hostname> -c <community> [...]
Options: -H Hostname or IP address
-C Community (default is public)
-B To use MIB designed for Brocade San switches
-E Exclude Regexp
-d Debug
-l Detailed Output (Long service output)
--------------------------------------------------------------------
Copyright (C) 2003-2010 Pall Sigurdsson <palli 'at' opensource.is>
This program is free software; you can redistribute it or modify
it under the terms of the GNU General Public License
--------------------------------------------------------------------
USAGE
exit 1;
}
####################################################################
# Appends string to existing $returnstring #
####################################################################
sub append {
my $appendstring = @_[0];
$returnstring = "$returnstring$appendstring";
}
####################################################################
# Returns the interface type for given IANA metric #
####################################################################
sub return_interfacetype {
my $iftype_int = @_[0];
my @iana = ();
my $returnstring = $iftype_int;
$iana[0] = "";
$iana[1] = "other";
$iana[2] = "regular1822";
$iana[3] = "hdh1822";
$iana[4] = "ddnX25";
$iana[5] = "rfc877x25";
$iana[6] = "ethernet";
$iana[7] = "";
$iana[8] = "TokenBus";
$iana[9] = "TokenRing";
$iana[10] = "iso88026Man";
$iana[11] = "starLan";
$iana[12] = "proteon10Mbit";
$iana[13] = "proteon80Mbit";
$iana[14] = "hyperchannel";
$iana[15] = "fddi";
$iana[16] = "lapb";
$iana[17] = "sdlc";
$iana[18] = "DSL";
$iana[19] = "E1";
$iana[20] = "basicISDN";
$iana[21] = "primaryISDN";
$iana[22] = "propritory PointToPointSerial";
$iana[23] = "PPP";
$iana[24] = "softwareLoopback";
$iana[25] = "CLNP over IP ";
$iana[26] = "ethernet3Mbit";
$iana[27] = "XNS over IP";
$iana[28] = "SLIP";
$iana[29] = "ultra";
$iana[30] = "DS3";
$iana[31] = "SMDS";
$iana[32] = "frameRelay DTE";
$iana[33] = "RS232";
$iana[34] = "Parallel port";
$iana[35] = "arcnet";
$iana[36] = "arcnetPlus";
$iana[37] = "ATM";
$iana[38] = "miox25";
$iana[39] = "SONET / SDH ";
$iana[40] = "X25PLE";
$iana[41] = "iso88022llc";
$iana[42] = "localTalk";
$iana[43] = "SMDSDxi";
$iana[44] = "frameRelayService";
$iana[45] = "v35";
$iana[46] = "hssi";
$iana[47] = "hippi";
$iana[48] = "Generic MODEM";
$iana[49] = "";
$iana[50] = "sonetPath";
$iana[51] = "sonetVT";
$iana[52] = "SMDSIcip";
$iana[53] = "propVirtual";
$iana[54] = "propMultiplexor";
$iana[55] = "ieee80212 100BaseVG";
$iana[56] = "fibreChannel";
$iana[57] = "HIPPI interface";
$iana[58] = "";
$iana[59] = "ATM Emulated LAN for 802.3";
$iana[60] = "ATM Emulated LAN for 802.5";
$iana[61] = "ATM Emulated circuit ";
$iana[62] = "";
$iana[63] = "ISDN / X.25 ";
$iana[64] = "CCITT V.11/X.21 ";
$iana[65] = "CCITT V.36 ";
$iana[66] = "CCITT G703 at 64Kbps";
$iana[67] = "G703 at 2Mb";
$iana[68] = "SNA QLLC ";
$iana[69] = "";
$iana[70] = "channel ";
$iana[71] = "ieee80211 radio spread spectrum ";
$iana[72] = "IBM System 360/370 OEMI Channel";
$iana[73] = "IBM Enterprise Systems Connection";
$iana[74] = "Data Link Switching";
$iana[75] = "ISDN S/T interface";
$iana[76] = "ISDN U interface";
$iana[77] = "Link Access Protocol D";
$iana[78] = "IP Switching Objects";
$iana[79] = "Remote Source Route Bridging";
$iana[80] = "ATM Logical Port";
$iana[81] = "Digital Signal Level 0";
$iana[82] = "ds0 Bundle (group of ds0s on the same ds1)";
$iana[83] = "Bisynchronous Protocol";
$iana[84] = "Asynchronous Protocol";
$iana[85] = "Combat Net Radio";
$iana[86] = "ISO 802.5r DTR";
$iana[87] = "Ext Pos Loc Report Sys";
$iana[88] = "Appletalk Remote Access Protocol";
$iana[89] = "Proprietary Connectionless Protocol";
$iana[90] = "CCITT-ITU X.29 PAD Protocol";
$iana[91] = "CCITT-ITU X.3 PAD Facility";
$iana[92] = "frameRelay MPI";
$iana[93] = "CCITT-ITU X213";
$iana[94] = "ADSL";
$iana[95] = "Rate-Adapt. DSL";
$iana[96] = "SDSL";
$iana[97] = "Very High-Speed DSL";
$iana[98] = "ISO 802.5 CRFP";
$iana[99] = "Myricom Myrinet";
$iana[100] = "voiceEM voice recEive and transMit";
$iana[101] = "voiceFXO voice Foreign Exchange Office";
$iana[102] = "voiceFXS voice Foreign Exchange Station";
$iana[103] = "voiceEncap voice encapsulation";
$iana[104] = "VoIP";
$iana[105] = "ATM DXI";
$iana[106] = "ATM FUNI";
$iana[107] = "ATM IMA";
$iana[108] = "PPP Multilink Bundle";
$iana[109] = "IBM ipOverCdlc";
$iana[110] = "IBM Common Link Access to Workstn";
$iana[111] = "IBM stackToStack";
$iana[112] = "IBM VIPA";
$iana[113] = "IBM multi-protocol channel support";
$iana[114] = "IBM IP over ATM";
$iana[115] = "ISO 802.5j Fiber Token Ring";
$iana[116] = "IBM twinaxial data link control";
$iana[117] = "";
$iana[118] = "HDLC";
$iana[119] = "LAP F";
$iana[120] = "V.37";
$iana[121] = "X25 Multi-Link Protocol";
$iana[122] = "X25 Hunt Group";
$iana[123] = "Transp HDLC";
$iana[124] = "Interleave channel";
$iana[125] = "Fast channel";
$iana[126] = "IP (for APPN HPR in IP networks)";
$iana[127] = "CATV Mac Layer";
$iana[128] = "CATV Downstream interface";
$iana[129] = "CATV Upstream interface";
$iana[130] = "Avalon Parallel Processor";
$iana[131] = "Encapsulation interface";
$iana[132] = "Coffee pot (no, really)";
$iana[133] = "Circuit Emulation Service";
$iana[134] = "ATM Sub Interface";
$iana[135] = "Layer 2 Virtual LAN using 802.1Q";
$iana[136] = "Layer 3 Virtual LAN using IP";
$iana[137] = "Layer 3 Virtual LAN using IPX";
$iana[138] = "IP over Power Lines";
$iana[139] = "Multimedia Mail over IP";
$iana[140] = "Dynamic Synchronous Transfer Mode";
$iana[141] = "Data Communications Network";
$iana[142] = "IP Forwarding Interface";
$iana[143] = "Multi-rate Symmetric DSL";
$iana[144] = "IEEE1394 High Performance Serial Bus";
$iana[145] = "HIPPI-6400 ";
$iana[146] = "DVB-RCC MAC Layer";
$iana[147] = "DVB-RCC Downstream Channel";
$iana[148] = "DVB-RCC Upstream Channel";
$iana[149] = "ATM Virtual Interface";
$iana[150] = "MPLS Tunnel Virtual Interface";
$iana[151] = "Spatial Reuse Protocol";
$iana[152] = "Voice Over ATM";
$iana[153] = "Voice Over Frame Relay ";
$iana[154] = "Digital Subscriber Loop over ISDN";
$iana[155] = "Avici Composite Link Interface";
$iana[156] = "SS7 Signaling Link ";
$iana[157] = "Prop. P2P wireless interface";
$iana[158] = "Frame Forward Interface";
$iana[159] = "Multiprotocol over ATM AAL5";
$iana[160] = "USB Interface";
$iana[161] = "IEEE 802.3ad Link Aggregate";
$iana[162] = "BGP Policy Accounting";
$iana[163] = "FRF .16 Multilink Frame Relay ";
$iana[164] = "H323 Gatekeeper";
$iana[165] = "H323 Voice and Video Proxy";
$iana[166] = "MPLS";
$iana[167] = "Multi-frequency signaling link";
$iana[168] = "High Bit-Rate DSL - 2nd generation";
$iana[169] = "Multirate HDSL2";
$iana[170] = "Facility Data Link 4Kbps on a DS1";
$iana[171] = "Packet over SONET/SDH Interface";
$iana[172] = "DVB-ASI Input";
$iana[173] = "DVB-ASI Output ";
$iana[174] = "Power Line Communtications";
$iana[175] = "Non Facility Associated Signaling";
$iana[176] = "TR008";
$iana[177] = "Remote Digital Terminal";
$iana[178] = "Integrated Digital Terminal";
$iana[179] = "ISUP";
$iana[180] = "Cisco proprietary MAC layer";
$iana[181] = "Cisco proprietary Downstream";
$iana[182] = "Cisco proprietary Upstream";
$iana[183] = "HIPERLAN Type 2 Radio Interface";
$iana[184] = "PropBroadbandWirelessAccesspt2multipt";
$iana[185] = "SONET Overhead Channel";
$iana[186] = "Digital Wrapper";
$iana[187] = "ATM adaptation layer 2";
$iana[188] = "MAC layer over radio links";
$iana[189] = "ATM over radio links ";
$iana[190] = "Inter Machine Trunks";
$iana[191] = "Multiple Virtual Lines DSL";
$iana[192] = "Long Reach DSL";
$iana[193] = "Frame Relay DLCI End Point";
$iana[194] = "ATM VCI End Point";
$iana[195] = "Optical Channel";
$iana[196] = "Optical Transport";
$iana[197] = "Proprietary ATM ";
$iana[198] = "Voice Over Cable Interface";
$iana[199] = "Infiniband";
$iana[200] = "TE Link";
$iana[201] = "Q.2931";
$iana[202] = "Virtual Trunk Group";
$iana[203] = "SIP Trunk Group";
$iana[204] = "SIP Signaling ";
$iana[205] = "CATV Upstream Channel";
$iana[206] = "Acorn Econet";
$iana[207] = "FSAN 155Mb Symetrical PON interface";
$iana[208] = "FSAN622Mb Symetrical PON interface";
$iana[209] = "Transparent bridge interface";
$iana[210] = "Interface common to multiple lines";
$iana[211] = "voice E&M Feature Group D";
$iana[212] = "voice FGD Exchange Access North American";
$iana[213] = "voice Direct Inward Dialing";
$iana[214] = "MPEG transport interface";
$iana[215] = "6to4 interface";
$iana[216] = "GTP (GPRS Tunneling Protocol)";
$iana[217] = "Paradyne EtherLoop 1";
$iana[218] = "Paradyne EtherLoop 2";
$iana[219] = "Optical Channel Group";
$iana[220] = "HomePNA ITU-T G.989";
$iana[221] = "Generic Framing Procedure (GFP)";
$iana[222] = "Layer 2 Virtual LAN using Cisco ISL";
$iana[223] = "Acteleis proprietary MetaLOOP High Speed Link ";
$iana[224] = "FCIP Link ";
$iana[225] = "Resilient Packet Ring Interface Type";
$iana[226] = "RF Qam Interface";
$iana[227] = "Link Management Protocol";
if ( $iftype_int > 227 ) {
$returnstring = "$iftype_int";
}
else {
$returnstring = $iana[$iftype_int];
}
return ($returnstring);
}
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