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# Report bugs to: nagiosplug-help@lists.sourceforge.net
#
# 11.01.2000 Version 1.0
-# $Id$
#
# Patches from Guy Van Den Bergh to warn on ifadminstatus down interfaces
# instead of critical.
sub usage ();
sub process_arguments ();
+my $timeout;
my $status;
my %ifOperStatus = ('1','up',
'2','down',
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 $opt_h ;
my $opt_V ;
my $ifdescr;
+my $iftype;
my $key;
my $lastc;
my $dormantWarn;
+my $adminWarn;
my $name;
+### Validate Arguments
+
+$status = process_arguments();
# Just in case of problems, let's not hang Nagios
print ("ERROR: No snmp response from $hostname (alarm)\n");
exit $ERRORS{"UNKNOWN"};
};
-alarm($TIMEOUT);
-
-### Validate Arguments
-
-$status = process_arguments();
+alarm($timeout);
## map ifdescr to ifindex - should look at being able to cache this value
-if (defined $ifdescr) {
+if (defined $ifdescr || defined $iftype) {
# escape "/" in ifdescr - very common in the Cisco world
- $ifdescr =~ s/\//\\\//g;
-
- $status=fetch_ifdescr(); # if using on device with large number of interfaces
- # recommend use of SNMP v2 (get-bulk)
+ 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 snmpkey - $status-$snmpkey\n";
+ printf "$state: could not retrive ifdescr/iftype snmpkey - $status-$snmpkey\n";
$session->close;
exit $ERRORS{$state};
}
## Check to see if ifName match is requested and it matches - exit if no match
## not the interface we want to monitor
- if ( defined $name && not ($response->{$snmpIfName} eq $name) ) {
+ if ( defined $ifName && not ($response->{$snmpIfName} eq $ifName) ) {
$state = 'UNKNOWN';
- $answer = "Interface name ($name) doesn't match snmp value ($response->{$snmpIfName}) (index $snmpkey)";
- print ("$state: $answer");
+ $answer = "Interface name ($ifName) doesn't match snmp value ($response->{$snmpIfName}) (index $snmpkey)";
+ print ("$state: $answer\n");
exit $ERRORS{$state};
}
## if AdminStatus is down - some one made a consious effort to change config
##
if ( not ($response->{$snmpIfAdminStatus} == 1) ) {
- $state = 'WARNING';
- $answer = "Interface $name (index $snmpkey) is administratively down.";
-
+ $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 ) {
} elsif ( $response->{$snmpIfOperStatus} == 5 ) {
if (defined $dormantWarn ) {
if ($dormantWarn eq "w") {
- $state = 'WARNNG';
+ $state = 'WARNING';
$answer = "Interface $name (index $snmpkey) is dormant.";
}elsif($dormantWarn eq "c") {
$state = 'CRITICAL';
-print ("$state: $answer");
+print ("$state: $answer\n");
exit $ERRORS{$state};
### subroutines
-sub fetch_ifdescr {
- if (!defined ($response = $session->get_table($snmpIfDescr))) {
+sub fetch_ifindex {
+ my $oid = shift;
+ my $lookup = shift;
+
+ if (!defined ($response = $session->get_table($oid))) {
$answer=$session->error;
$session->close;
$state = 'CRITICAL';
}
foreach $key ( keys %{$response}) {
- if ($response->{$key} =~ /^$ifdescr$/) {
+ if ($response->{$key} =~ /^$lookup$/) {
$key =~ /.*\.(\d+)$/;
$snmpkey = $1;
- #print "$ifdescr = $key / $snmpkey \n"; #debug
+ #print "$lookup = $key / $snmpkey \n"; #debug
}
}
unless (defined $snmpkey) {
printf " privacy password and authEngineID\n";
printf " -k (--key) SNMP IfIndex value\n";
printf " -d (--descr) SNMP ifDescr value\n";
+ printf " -T (--type) SNMP ifType integer value (see http://www.iana.org/assignments/ianaiftype-mib)\n";
printf " -p (--port) SNMP port (default 161)\n";
printf " -I (--ifmib) Agent supports IFMIB ifXTable. Do not use if\n";
printf " you don't know what this is. \n";
printf " -n (--name) the value should match the returned ifName\n";
printf " (Implies the use of -I)\n";
printf " -w (--warn =i|w|c) ignore|warn|crit if the interface is dormant (default critical)\n";
+ printf " -D (--admin-down =i|w|c) same for administratively down interfaces (default warning)\n";
printf " -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
+ printf " -t (--timeout) seconds before the plugin times out (default=$TIMEOUT)\n";
printf " -V (--version) Plugin version\n";
printf " -h (--help) usage help \n\n";
- printf " -k or -d must be specified\n\n";
- printf "Note: either -k or -d must be specified and -d is much more network \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";
- print_revision($PROGNAME, '$Revision$');
+ print_revision($PROGNAME, '@NP_VERSION@');
}
"k=i" => \$snmpkey, "key=i",\$snmpkey,
"d=s" => \$ifdescr, "descr=s" => \$ifdescr,
"l=s" => \$lastc, "lastchange=s" => \$lastc,
- "p=i" = >\$port, "port=i" =>\$port,
+ "p=i" => \$port, "port=i" =>\$port,
"H=s" => \$hostname, "hostname=s" => \$hostname,
- "I" => \$ifXTable, "ifmib" => \$ifXTable,
+ "I" => \$ifXTable, "ifmib" => \$ifXTable,
"n=s" => \$ifName, "name=s" => \$ifName,
"w=s" => \$dormantWarn, "warn=s" => \$dormantWarn,
- "M=i" => \$maxmsgsize, "maxmsgsize=i" => \$maxmsgsize);
+ "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 ($opt_V) {
- print_revision($PROGNAME,'$Revision$ ');
+ print_revision($PROGNAME,'@NP_VERSION@');
exit $ERRORS{'OK'};
}
}
- unless ($snmpkey > 0 || defined $ifdescr){
+ unless ($snmpkey > 0 || defined $ifdescr || defined $iftype){
printf "Either a valid snmpkey key (-k) or a ifDescr (-d) must be provided)\n";
usage();
exit $ERRORS{"UNKNOWN"};
}
}
+ unless (defined $timeout) {
+ $timeout = $TIMEOUT;
+ }
+
if ($snmp_version =~ /3/ ) {
# Must define a security level even though default is noAuthNoPriv
# v3 requires a security username
if (defined $seclevel && defined $secname) {
# Must define a security level even though defualt is noAuthNoPriv
- unless ($seclevel eq ('noAuthNoPriv' || 'authNoPriv' || 'authPriv' ) ) {
+ unless ( grep /^$seclevel$/, qw(noAuthNoPriv authNoPriv authPriv) ) {
usage();
exit $ERRORS{"UNKNOWN"};
}
# Authentication wanted
- if ($seclevel eq ('authNoPriv' || 'authPriv') ) {
+ if ( $seclevel eq 'authNoPriv' || $seclevel eq 'authPriv' ) {
- unless ($authproto eq ('MD5' || 'SHA1') ) {
+ unless ( $authproto eq 'MD5' || $authproto eq 'SHA1' ) {
usage();
exit $ERRORS{"UNKNOWN"};
}
if (!defined($session)) {
$state='UNKNOWN';
$answer=$error;
- print ("$state: $answer");
+ print ("$state: $answer\n");
exit $ERRORS{$state};
}
if (!defined($session)) {
$state='UNKNOWN';
$answer=$error;
- print ("$state: $answer");
+ print ("$state: $answer\n");
exit $ERRORS{$state};
}