[Nagiosplug-checkins] CVS: nagiosplug/plugins-scripts check_ifoperstatus.pl,1.1,1.2
Subhendu Ghosh
sghosh at users.sourceforge.net
Mon Oct 14 23:24:06 CEST 2002
Update of /cvsroot/nagiosplug/nagiosplug/plugins-scripts
In directory usw-pr-cvs1:/tmp/cvs-serv20454
Modified Files:
check_ifoperstatus.pl
Log Message:
new exit states, more conditional checking
Index: check_ifoperstatus.pl
===================================================================
RCS file: /cvsroot/nagiosplug/nagiosplug/plugins-scripts/check_ifoperstatus.pl,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -r1.1 -r1.2
*** check_ifoperstatus.pl 9 May 2002 19:03:51 -0000 1.1
--- check_ifoperstatus.pl 15 Oct 2002 06:23:46 -0000 1.2
***************
*** 3,7 ****
# 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)
--- 3,7 ----
# 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)
***************
*** 22,29 ****
#
#
! # Report bugs to: ck at zet.net, nagiosplug-help at lists.sf.net
#
# 11.01.2000 Version 1.0
# $Id$
use POSIX;
--- 22,35 ----
#
#
! # Report bugs to: nagiosplug-help at 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.
+ #
+ # Primary MIB reference - RFC 2863
+
use POSIX;
***************
*** 43,47 ****
'4','unknown',
'5','dormant',
! '6','notPresent');
my $state = "UNKNOWN";
--- 49,54 ----
'4','unknown',
'5','dormant',
! '6','notPresent',
! '7','lowerLayerDown'); # down due to the state of lower layer interface(s)
my $state = "UNKNOWN";
***************
*** 51,60 ****
my $port = 161;
my @snmpoids;
! my $snmpIfDescr = '1.3.6.1.2.1.2.2.1.2';
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 $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 $session;
my $error;
--- 58,71 ----
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 $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;
***************
*** 66,69 ****
--- 77,83 ----
my $ifdescr;
my $key;
+ my $lastc;
+ my $dormantWarn;
+ my $name;
***************
*** 77,80 ****
--- 91,96 ----
+ ### Validate Arguments
+
$status = GetOptions(
"V" => \$opt_V, "version" => \$opt_V,
***************
*** 84,90 ****
"k=i" =>\$snmpkey, "key=i",\$snmpkey,
"d=s" =>\$ifdescr, "descr=s" => \$ifdescr,
"p=i" =>\$port, "port=i",\$port,
"H=s" => \$hostname, "hostname=s" => \$hostname,
! "I" => \$ifXTable, "ifmib" => \$ifXTable);
--- 100,109 ----
"k=i" =>\$snmpkey, "key=i",\$snmpkey,
"d=s" =>\$ifdescr, "descr=s" => \$ifdescr,
+ "l=s" => \$lastc, "lastchange=s" => \$lastc,
"p=i" =>\$port, "port=i",\$port,
"H=s" => \$hostname, "hostname=s" => \$hostname,
! "I" => \$ifXTable, "ifmib" => \$ifXTable,
! "n=s" => \$ifName, "name=s" => \$ifName,
! "w=s" => \$dormantWarn, "warn=s" => \$dormantWarn );
***************
*** 112,115 ****
--- 131,145 ----
+ unless ($snmpkey > 0 || defined $ifdescr){
+ printf "Either a valid snmpkey key (-k) or a ifDescr (-d) must be provided)\n";
+ usage();
+ exit $ERRORS{"UNKNOWN"};
+ }
+
+
+ if (defined $name) {
+ $ifXTable=1;
+ }
+
if ( $snmp_version =~ /[12]/ ) {
($session, $error) = Net::SNMP->session(
***************
*** 136,139 ****
--- 166,175 ----
}
+ ## End validation
+
+
+
+ ## map ifdescr to ifindex - should look at being able to cache this value
+
if (defined $ifdescr) {
# escape "/" in ifdescr - very common in the Cisco world
***************
*** 144,165 ****
if ($status==0) {
$state = "UNKNOWN";
! printf "$state: could not retrive ifIndex - $status-$snmpkey\n";
$session->close;
exit $ERRORS{$state};
}
}
- if ( $snmpkey == 0 ) {
- printf "ifIndex key cannot be 0\n";
- usage();
- exit $ERRORS{'UNKNOWN'};
- }
- $snmpIfOperStatus = '1.3.6.1.2.1.2.2.1.8' . "." . $snmpkey;
- $snmpIfDescr = '1.3.6.1.2.1.2.2.1.2' . "." . $snmpkey;
- $snmpIfAlias = '1.3.6.1.2.1.31.1.1.1.18' . "." . $snmpkey ;
push(@snmpoids,$snmpIfOperStatus);
push(@snmpoids,$snmpIfDescr);
push(@snmpoids,$snmpIfAlias) if (defined $ifXTable) ;
--- 180,202 ----
if ($status==0) {
$state = "UNKNOWN";
! printf "$state: could not retrive 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) ;
***************
*** 167,172 ****
$answer=$session->error;
$session->close;
! $state = 'CRITICAL';
! print ("$state: $answer for ifIndex $snmpkey\n");
exit $ERRORS{$state};
}
--- 204,209 ----
$answer=$session->error;
$session->close;
! $state = 'WARNING';
! print ("$state: SNMP error: $answer\n");
exit $ERRORS{$state};
}
***************
*** 179,195 ****
);
- $session->close;
! if ( $response->{$snmpIfOperStatus} == 1 ) {
! $state = 'OK';
}
! else {
! $state = 'CRITICAL';
}
print ("$state: $answer");
exit $ERRORS{$state};
sub fetch_ifdescr {
if (!defined ($response = $session->get_table($snmpIfDescr))) {
--- 216,288 ----
);
! ## 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) ) {
! $state = 'UNKNOWN';
! $answer = "Interface name ($name) doesn't match snmp value ($response->{$snmpIfName}) (index $snmpkey)";
! print ("$state: $answer");
! 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) ) {
! $state = 'WARNING';
! $answer = "Interface $name (index $snmpkey) is administratively down.";
!
! }
! ## 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 = 'WARNNG';
! $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");
exit $ERRORS{$state};
+ ### subroutines
+
sub fetch_ifdescr {
if (!defined ($response = $session->get_table($snmpIfDescr))) {
***************
*** 197,201 ****
$session->close;
$state = 'CRITICAL';
! printf ("$state: $answer for $snmpIfDescr with snmp version $snmp_version\n");
$session->close;
exit $ERRORS{$state};
--- 290,294 ----
$session->close;
$state = 'CRITICAL';
! printf ("$state: SNMP error with snmp version $snmp_version ($answer)\n");
$session->close;
exit $ERRORS{$state};
***************
*** 203,207 ****
foreach $key ( keys %{$response}) {
! if ($response->{$key} =~ /$ifdescr/) {
$key =~ /.*\.(\d+)$/;
$snmpkey = $1;
--- 296,300 ----
foreach $key ( keys %{$response}) {
! if ($response->{$key} =~ /^$ifdescr$/) {
$key =~ /.*\.(\d+)$/;
$snmpkey = $1;
***************
*** 243,254 ****
printf " SNMP v2c will use get_bulk for less overhead\n";
printf " if monitoring with -d\n";
! printf " -k (--key) SNMP ifIndex value\n";
printf " -d (--descr) SNMP ifDescr value\n";
printf " -p (--port) SNMP port (default 161)\n";
printf " -I (--ifmib) Agent supports IFMIB ifXTable. Do not use if\n";
! printf " you don't know what this is.\n";
printf " -V (--version) Plugin version\n";
printf " -h (--help) usage help \n\n";
printf " -k or -d must be specified\n\n";
print_revision($PROGNAME, '$Revision$');
--- 336,354 ----
printf " SNMP v2c will use get_bulk for less overhead\n";
printf " if monitoring with -d\n";
! printf " -k (--key) SNMP IfIndex value\n";
printf " -d (--descr) SNMP ifDescr value\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 " -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 "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$');
More information about the Commits
mailing list