Monitoring/\* --> nagios/

1 files changed, 472 insertions, 0 deletions

diff --git a/Monitoring/nagios/plugins/check_ifoperstatus b/Monitoring/nagios/plugins/check_ifoperstatus
new file mode 100755
index 00000000..23b25d5d
--- /dev/null
+++ b/Monitoring/nagios/plugins/check_ifoperstatus
@@ -0,0 +1,472 @@
+#! /usr/bin/perl -w
+#
+# check_ifoperstatus.pl - nagios plugin 
+#
+# Copyright (C) 2000 Christoph Kron,
+# Modified 5/2002 to conform to updated Nagios Plugin Guidelines
+# Added support for named interfaces per Valdimir Ivaschenko (S. Ghosh)
+# Added SNMPv3 support (10/2003)
+#
+# This program 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 program 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 program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+#
+# Report bugs to:  nagiosplug-help@lists.sourceforge.net
+#
+# 11.01.2000 Version 1.0
+#
+# Patches from Guy Van Den Bergh to warn on ifadminstatus down interfaces
+# instead of critical.
+#
+# Primary MIB reference - RFC 2863
+
+
+use POSIX;
+use strict;
+use lib "/usr/lib/nagios/plugins" ;
+use utils qw($TIMEOUT %ERRORS &print_revision &support);
+
+use Net::SNMP;
+use Getopt::Long;
+&Getopt::Long::config('bundling');
+
+my $PROGNAME = "check_ifoperstatus";
+sub print_help ();
+sub usage ($);
+sub print_usage ();
+sub process_arguments ();
+
+my $timeout;
+my $status;
+my %ifOperStatus = 	('1','up',
+                     '2','down',
+                     '3','testing',
+                     '4','unknown',
+                     '5','dormant',
+                     '6','notPresent',
+                     '7','lowerLayerDown');  # down due to the state of lower layer interface(s)
+
+my $state = "UNKNOWN";
+my $answer = "";
+my $snmpkey = 0;
+my $community = "public";
+my $maxmsgsize = 1472 ; # Net::SNMP default is 1472
+my ($seclevel, $authproto, $secname, $authpass, $privpass, $privproto, $auth, $priv, $context);
+my $port = 161;
+my @snmpoids;
+my $sysUptime        = '1.3.6.1.2.1.1.3.0';
+my $snmpIfDescr      = '1.3.6.1.2.1.2.2.1.2';
+my $snmpIfType       = '1.3.6.1.2.1.2.2.1.3';
+my $snmpIfAdminStatus = '1.3.6.1.2.1.2.2.1.7';
+my $snmpIfOperStatus = '1.3.6.1.2.1.2.2.1.8';
+my $snmpIfName       = '1.3.6.1.2.1.31.1.1.1.1';
+my $snmpIfLastChange = '1.3.6.1.2.1.2.2.1.9';
+my $snmpIfAlias      = '1.3.6.1.2.1.31.1.1.1.18';
+my $snmpLocIfDescr   = '1.3.6.1.4.1.9.2.2.1.1.28';
+my $hostname;
+my $ifName;
+my $session;
+my $error;
+my $response;
+my $snmp_version = 1 ;
+my $ifXTable;
+my $opt_h ;
+my $opt_V ;
+my $ifdescr;
+my $iftype;
+my $key;
+my $lastc;
+my $dormantWarn;
+my $adminWarn;
+my $name;
+my %session_opts;
+
+### Validate Arguments
+
+$status = process_arguments();
+
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+	print ("ERROR: No snmp response from $hostname (alarm)\n");
+	exit $ERRORS{"UNKNOWN"};
+};
+
+alarm($timeout);
+
+($session, $error) = Net::SNMP->session(%session_opts);
+
+		
+if (!defined($session)) {
+			$state='UNKNOWN';
+			$answer=$error;
+			print ("$state: $answer\n");
+			exit $ERRORS{$state};
+}
+
+## map ifdescr to ifindex - should look at being able to cache this value
+
+if (defined $ifdescr || defined $iftype) {
+	# escape "/" in ifdescr - very common in the Cisco world
+	if (defined $iftype) {
+		$status=fetch_ifindex($snmpIfType, $iftype);
+	} else {
+		$ifdescr =~ s/\//\\\//g;
+		$status=fetch_ifindex($snmpIfDescr, $ifdescr);  # if using on device with large number of interfaces
+		                                                # recommend use of SNMP v2 (get-bulk)
+	}
+	if ($status==0) {
+		$state = "UNKNOWN";
+		printf "$state: could not retrive ifdescr/iftype snmpkey - $status-$snmpkey\n";
+		$session->close;
+		exit $ERRORS{$state};
+	}
+}
+
+
+## Main function
+
+$snmpIfAdminStatus = $snmpIfAdminStatus . "." . $snmpkey;
+$snmpIfOperStatus = $snmpIfOperStatus . "." . $snmpkey;
+$snmpIfDescr = $snmpIfDescr . "." . $snmpkey;
+$snmpIfName	= $snmpIfName . "." . $snmpkey ;
+$snmpIfAlias = $snmpIfAlias . "." . $snmpkey ; 
+
+push(@snmpoids,$snmpIfAdminStatus);
+push(@snmpoids,$snmpIfOperStatus);
+push(@snmpoids,$snmpIfDescr);
+push(@snmpoids,$snmpIfName) if (defined $ifXTable) ;
+push(@snmpoids,$snmpIfAlias) if (defined $ifXTable) ;
+
+if (!defined($response = $session->get_request(@snmpoids))) {
+	$answer=$session->error;
+	$session->close;
+	$state = 'WARNING';
+	print ("$state: SNMP error: $answer\n");
+	exit $ERRORS{$state};
+}
+
+$answer = sprintf("host '%s', %s(%s) is %s\n", 
+	$hostname, 
+	$response->{$snmpIfDescr},
+	$snmpkey, 
+	$ifOperStatus{$response->{$snmpIfOperStatus}}
+);
+
+
+## Check to see if ifName match is requested and it matches - exit if no match
+## not the interface we want to monitor
+if ( defined $ifName && not ($response->{$snmpIfName} eq $ifName) ) {
+	$state = 'UNKNOWN';
+	$answer = "Interface name ($ifName) doesn't match snmp value ($response->{$snmpIfName}) (index $snmpkey)";
+	print ("$state: $answer\n");
+	exit $ERRORS{$state};
+} 
+
+## define the interface name
+if (defined $ifXTable) {
+	 $name = $response->{$snmpIfName} ." - " .$response->{$snmpIfAlias} ; 
+}else{
+	 $name = $response->{$snmpIfDescr} ;
+}
+
+## if AdminStatus is down - some one made a consious effort to change config
+##
+if ( not ($response->{$snmpIfAdminStatus} == 1) ) {
+	$answer = "Interface $name (index $snmpkey) is administratively down.";
+	if ( not defined $adminWarn or $adminWarn eq "w" ) {
+		$state = 'WARNING';
+	} elsif ( $adminWarn eq "i" ) {
+		$state = 'OK';
+	} elsif ( $adminWarn eq "c" ) {
+		$state = 'CRITICAL';
+	} else { # If wrong value for -a, say warning
+		$state = 'WARNING';
+	}
+} 
+## Check operational status
+elsif ( $response->{$snmpIfOperStatus} == 2 ) {
+	$state = 'CRITICAL';
+	$answer = "Interface $name (index $snmpkey) is down.";
+} elsif ( $response->{$snmpIfOperStatus} == 5 ) {
+	if (defined $dormantWarn ) {
+		if ($dormantWarn eq "w") {
+			$state = 'WARNING';
+			$answer = "Interface $name (index $snmpkey) is dormant.";
+		}elsif($dormantWarn eq "c") {
+			$state = 'CRITICAL';
+			$answer = "Interface $name (index $snmpkey) is dormant.";
+		}elsif($dormantWarn eq "i") {
+			$state = 'OK';
+			$answer = "Interface $name (index $snmpkey) is dormant.";
+		}
+	}else{
+		# dormant interface - but warning/critical/ignore not requested
+		$state = 'CRITICAL';
+		$answer = "Interface $name (index $snmpkey) is dormant.";
+	}
+} elsif ( $response->{$snmpIfOperStatus} == 6 ) {
+	$state = 'CRITICAL';
+	$answer = "Interface $name (index $snmpkey) notPresent - possible hotswap in progress.";
+} elsif ( $response->{$snmpIfOperStatus} == 7 ) {
+	$state = 'CRITICAL';
+	$answer = "Interface $name (index $snmpkey) down due to lower layer being down.";
+} elsif ( $response->{$snmpIfOperStatus} == 3 || $response->{$snmpIfOperStatus} == 4  ) {
+	$state = 'CRITICAL';
+	$answer = "Interface $name (index $snmpkey) down (testing/unknown).";
+} else {
+	$state = 'OK';
+	$answer = "Interface $name (index $snmpkey) is up.";
+}
+
+
+
+print ("$state: $answer\n");
+exit $ERRORS{$state};
+
+
+### subroutines
+
+sub fetch_ifindex {
+	my $oid = shift;
+	my $lookup = shift;
+
+	if (!defined ($response = $session->get_table($oid))) {
+		$answer=$session->error;
+		$session->close;
+		$state = 'CRITICAL';
+		printf ("$state: SNMP error with snmp version $snmp_version ($answer)\n");
+		$session->close;
+		exit $ERRORS{$state};
+	}
+	
+	foreach $key ( keys %{$response}) {
+		if ($response->{$key} =~ /^$lookup$/) {
+			$key =~ /.*\.(\d+)$/;
+			$snmpkey = $1;
+			#print "$lookup = $key / $snmpkey \n";  #debug
+		}
+	}
+	unless (defined $snmpkey) {
+		$session->close;
+		$state = 'CRITICAL';
+		printf "$state: Could not match $ifdescr on $hostname\n";
+		exit $ERRORS{$state};
+	}
+	
+	return $snmpkey;
+}
+
+sub usage($) {
+	print "$_[0]\n";
+	print_usage();
+	exit $ERRORS{"UNKNOWN"};
+}
+
+sub print_usage() {
+	printf "\n";
+	printf "usage: \n";
+	printf "check_ifoperstatus -k <IF_KEY> -H <HOSTNAME> [-C <community>]\n";
+	printf "Copyright (C) 2000 Christoph Kron\n";
+	printf "check_ifoperstatus.pl comes with ABSOLUTELY NO WARRANTY\n";
+	printf "This programm is licensed under the terms of the ";
+	printf "GNU General Public License\n(check source code for details)\n";
+	printf "\n\n";
+}
+
+sub print_help() {
+	print_revision($PROGNAME, '1.4.15');
+	print_usage();
+	printf "check_ifoperstatus plugin for Nagios monitors operational \n";
+	printf "status of a particular network interface on the target host\n";
+	printf "\nUsage:\n";
+	printf "   -H (--hostname)   Hostname to query - (required)\n";
+	printf "   -C (--community)  SNMP read community (defaults to public,\n";
+	printf "                     used with SNMP v1 and v2c\n";
+	printf "   -v (--snmp_version)  1 for SNMP v1 (default)\n";
+	printf "                        2 for SNMP v2c\n";
+	printf "                        SNMP v2c will use get_bulk for less overhead\n";
+	printf "                        if monitoring with -d\n";
+	printf "   -L (--seclevel)   choice of \"noAuthNoPriv\", \"authNoPriv\", or	\"authPriv\"\n";
+	printf "   -U (--secname)    username for SNMPv3 context\n";
+	printf "   -c (--context)    SNMPv3 context name (default is empty string)\n";
+	printf "   -A (--authpass)   authentication password (cleartext ascii or localized key\n";
+	printf "                     in hex with 0x prefix generated by using \"snmpkey\" utility\n"; 
+	printf "                     auth password and authEngineID\n";
+	printf "   -a (--authproto)  Authentication protocol (MD5 or SHA1)\n";
+	printf "   -X (--privpass)   privacy password (cleartext ascii or localized key\n";
+	printf "                     in hex with 0x prefix generated by using \"snmpkey\" utility\n"; 
+	printf "                     privacy password and authEngineID\n";
+	printf "   -P (--privproto)  privacy protocol (DES or AES; default: DES)\n";
+	printf "   -k (--key)        SNMP IfIndex value\n";
+	printf "   -d (--descr)      SNMP ifDescr value\n";
+	printf "   -T (--type)       SNMP ifType integer value (see http://www.iana.org/assignments/ianaiftype-mib)\n";
+	printf "   -p (--port)       SNMP port (default 161)\n";
+	printf "   -I (--ifmib)      Agent supports IFMIB ifXTable. Do not use if\n";
+	printf "                     you don't know what this is. \n";
+	printf "   -n (--name)       the value should match the returned ifName\n";
+	printf "                     (Implies the use of -I)\n";
+	printf "   -w (--warn =i|w|c) ignore|warn|crit if the interface is dormant (default critical)\n";
+	printf "   -D (--admin-down =i|w|c) same for administratively down interfaces (default warning)\n";
+	printf "   -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
+	printf "   -t (--timeout)    seconds before the plugin times out (default=$TIMEOUT)\n";
+	printf "   -V (--version)    Plugin version\n";
+	printf "   -h (--help)       usage help \n\n";
+	printf " -k or -d or -T must be specified\n\n";
+	printf "Note: either -k or -d or -T must be specified and -d and -T are much more network \n";
+	printf "intensive.  Use it sparingly or not at all.  -n is used to match against\n";
+	printf "a much more descriptive ifName value in the IfXTable to verify that the\n";
+	printf "snmpkey has not changed to some other network interface after a reboot.\n\n";
+	
+}
+
+sub process_arguments() {
+	$status = GetOptions(
+			"V"   => \$opt_V, "version"    => \$opt_V,
+			"h"   => \$opt_h, "help"       => \$opt_h,
+			"v=i" => \$snmp_version, "snmp_version=i"  => \$snmp_version,
+			"C=s" => \$community, "community=s" => \$community,
+			"L=s" => \$seclevel, "seclevel=s" => \$seclevel,
+			"a=s" => \$authproto, "authproto=s" => \$authproto,
+			"U=s" => \$secname,   "secname=s"   => \$secname,
+			"A=s" => \$authpass,  "authpass=s"  => \$authpass,
+			"X=s" => \$privpass,  "privpass=s"  => \$privpass,
+			"P=s" => \$privproto,  "privproto=s"  => \$privproto,
+			"c=s" => \$context,   "context=s"   => \$context,
+			"k=i" => \$snmpkey, "key=i",\$snmpkey,
+			"d=s" => \$ifdescr, "descr=s" => \$ifdescr,
+			"l=s" => \$lastc,  "lastchange=s" => \$lastc,
+			"p=i" => \$port,  "port=i" =>\$port,
+			"H=s" => \$hostname, "hostname=s" => \$hostname,
+			"I"   => \$ifXTable, "ifmib" => \$ifXTable,
+			"n=s" => \$ifName, "name=s" => \$ifName,
+			"w=s" => \$dormantWarn, "warn=s" => \$dormantWarn,
+			"D=s" => \$adminWarn, "admin-down=s" => \$adminWarn,
+			"M=i" => \$maxmsgsize, "maxmsgsize=i" => \$maxmsgsize,
+			"t=i" => \$timeout,    "timeout=i" => \$timeout,
+			"T=i" => \$iftype,    "type=i" => \$iftype,
+			);
+
+
+	if ($status == 0){
+		print_help();
+		exit $ERRORS{'OK'};
+	}
+
+	if ($opt_V) {
+		print_revision($PROGNAME,'1.4.15');
+		exit $ERRORS{'OK'};
+	}
+
+	if ($opt_h) {
+		print_help();
+		exit $ERRORS{'OK'};
+	}
+
+	if (! utils::is_hostname($hostname)){
+		usage("Hostname invalid or not given");
+	}
+
+	unless ($snmpkey > 0 || defined $ifdescr || defined $iftype){
+		usage("Either a valid snmp key (-k) or a ifDescr (-d) must be provided");
+	}
+
+	if (defined $ifName) {
+		$ifXTable=1;
+	}	
+
+	if (defined $dormantWarn) {
+		unless ($dormantWarn =~ /^(w|c|i)$/ ) {
+			printf "Dormant alerts must be one of w|c|i \n";
+			exit $ERRORS{'UNKNOWN'};
+		}
+	}
+	
+	unless (defined $timeout) {
+		$timeout = $TIMEOUT;
+	}
+
+	if ($snmp_version !~ /[123]/){
+		$state='UNKNOWN';
+		print ("$state: No support for SNMP v$snmp_version yet\n");
+		exit $ERRORS{$state};
+	}
+
+	%session_opts = (
+		-hostname   => $hostname,
+		-port       => $port,
+		-version    => $snmp_version,
+		-maxmsgsize => $maxmsgsize
+	);
+
+	$session_opts{'-community'} = $community if (defined $community && $snmp_version =~ /[12]/);
+
+	if ($snmp_version =~ /3/ ) {
+		# Must define a security level even though default is noAuthNoPriv
+		# v3 requires a security username
+		if (defined $seclevel && defined $secname) {
+			$session_opts{'-username'} = $secname;
+		
+			# Must define a security level even though defualt is noAuthNoPriv
+			unless ( grep /^$seclevel$/, qw(noAuthNoPriv authNoPriv authPriv) ) {
+				usage("Must define a valid security level even though default is noAuthNoPriv");
+			}
+			
+			# Authentication wanted
+			if ( $seclevel eq 'authNoPriv' || $seclevel eq 'authPriv' ) {
+				if (defined $authproto && $authproto ne 'MD5' && $authproto ne 'SHA1') {
+					usage("Auth protocol can be either MD5 or SHA1");
+				}
+				$session_opts{'-authprotocol'} = $authproto if(defined $authproto);
+
+				if ( !defined $authpass) {
+					usage("Auth password/key is not defined");
+				}else{
+					if ($authpass =~ /^0x/ ) {
+						$session_opts{'-authkey'} = $authpass ;
+					}else{
+						$session_opts{'-authpassword'} = $authpass ;
+					}
+				}
+			}
+			
+			# Privacy (DES encryption) wanted
+			if ($seclevel eq 'authPriv' ) {
+				if (! defined $privpass) {
+					usage("Privacy passphrase/key is not defined");
+				}else{
+					if ($privpass =~ /^0x/){
+						$session_opts{'-privkey'} = $privpass;
+					}else{
+						$session_opts{'-privpassword'} = $privpass;
+					}
+				}
+
+				$session_opts{'-privprotocol'} = $privproto if(defined $privproto);
+			}
+
+			# Context name defined or default
+			unless ( defined $context) {
+				$context = "";
+			}
+		
+		}else {
+			usage("Security level or name is not defined");
+		}
+	} # end snmpv3
+
+
+}
+## End validation
+