466 lines
14 KiB
Perl
466 lines
14 KiB
Perl
|
#!/usr/bin/perl -w
|
||
|
|
|
||
|
|
# (c)1999 Ian Cass, Knowledge Matters Ltd.
|
||
|
|
# Read the GNU copyright stuff for all the legalese
|
||
|
|
#
|
||
|
|
# Check NTP time servers plugin. This plugin requires the ntpdate utility to
|
||
|
|
# be installed on the system, however since it's part of the ntp suite, you
|
||
|
|
# should already have it installed.
|
||
|
|
#
|
||
|
|
# $Id: check_ntp.pl,v 1.29 2005/05/25 14:05:41 sghosh Exp $
|
||
|
|
#
|
||
|
|
# Nothing clever done in this program - its a very simple bare basics hack to
|
||
|
|
# get the job done.
|
||
|
|
#
|
||
|
|
# Things to do...
|
||
|
|
# check @words[9] for time differences greater than +/- x secs & return a
|
||
|
|
# warning.
|
||
|
|
#
|
||
|
|
# (c) 1999 Mark Jewiss, Knowledge Matters Limited
|
||
|
|
# 22-9-1999, 12:45
|
||
|
|
#
|
||
|
|
# Modified script to accept 2 parameters or set defaults.
|
||
|
|
# Now issues warning or critical alert is time difference is greater than the
|
||
|
|
# time passed.
|
||
|
|
#
|
||
|
|
# These changes have not been tested completely due to the unavailability of a
|
||
|
|
# server with the incorrect time.
|
||
|
|
#
|
||
|
|
# (c) 1999 Bo Kersey, VirCIO - Managed Server Solutions <bo@vircio.com>
|
||
|
|
# 22-10-99, 12:17
|
||
|
|
#
|
||
|
|
# Modified the script to give useage if no parameters are input.
|
||
|
|
#
|
||
|
|
# Modified the script to check for negative as well as positive
|
||
|
|
# time differences.
|
||
|
|
#
|
||
|
|
# Modified the script to work with ntpdate 3-5.93e Wed Apr 14 20:23:03 EDT 1999
|
||
|
|
#
|
||
|
|
# Modified the script to work with ntpdate's that return adjust or offset...
|
||
|
|
#
|
||
|
|
#
|
||
|
|
# Script modified 2000 June 01 by William Pietri <william@bianca.com>
|
||
|
|
#
|
||
|
|
# Modified script to handle weird cases:
|
||
|
|
# o NTP server doesn't respond (e.g., has died)
|
||
|
|
# o Server has correct time but isn't suitable synchronization
|
||
|
|
# source. This happens while starting up and if contact
|
||
|
|
# with master has been lost.
|
||
|
|
#
|
||
|
|
# Modifed to run under Embedded Perl (sghosh@users.sf.net)
|
||
|
|
# - combined logic some blocks together..
|
||
|
|
#
|
||
|
|
# Added ntpdate check for stratum 16 desynch peer (James Fidell) Feb 03, 2003
|
||
|
|
#
|
||
|
|
# ntpdate - offset is in seconds
|
||
|
|
# changed ntpdc to ntpq - jitter/dispersion is in milliseconds
|
||
|
|
#
|
||
|
|
# Patch for for regex for stratum1 refid.
|
||
|
|
|
||
|
|
require 5.004;
|
||
|
|
use POSIX;
|
||
|
|
use strict;
|
||
|
|
use Getopt::Long;
|
||
|
|
use vars qw($opt_V $opt_h $opt_H $opt_t $opt_w $opt_c $opt_O $opt_j $opt_k $verbose $PROGNAME $def_jitter $ipv4 $ipv6);
|
||
|
|
use lib utils.pm;
|
||
|
|
use utils qw($TIMEOUT %ERRORS &print_revision &support);
|
||
|
|
|
||
|
|
$PROGNAME="check_ntp";
|
||
|
|
|
||
|
|
sub print_help ();
|
||
|
|
sub print_usage ();
|
||
|
|
|
||
|
|
$ENV{'PATH'}='';
|
||
|
|
$ENV{'BASH_ENV'}='';
|
||
|
|
$ENV{'ENV'}='';
|
||
|
|
|
||
|
|
# defaults in sec
|
||
|
|
my $DEFAULT_OFFSET_WARN = 60; # 1 minute
|
||
|
|
my $DEFAULT_OFFSET_CRIT = 120; # 2 minutes
|
||
|
|
# default in millisec
|
||
|
|
my $DEFAULT_JITTER_WARN = 5000; # 5 sec
|
||
|
|
my $DEFAULT_JITTER_CRIT = 10000; # 10 sec
|
||
|
|
|
||
|
|
Getopt::Long::Configure('bundling');
|
||
|
|
GetOptions
|
||
|
|
("V" => \$opt_V, "version" => \$opt_V,
|
||
|
|
"h" => \$opt_h, "help" => \$opt_h,
|
||
|
|
"v" => \$verbose, "verbose" => \$verbose,
|
||
|
|
"4" => \$ipv4, "use-ipv4" => \$ipv4,
|
||
|
|
"6" => \$ipv6, "use-ipv6" => \$ipv6,
|
||
|
|
"w=f" => \$opt_w, "warning=f" => \$opt_w, # offset|adjust warning if above this number
|
||
|
|
"c=f" => \$opt_c, "critical=f" => \$opt_c, # offset|adjust critical if above this number
|
||
|
|
"O" => \$opt_O, "zero-offset" => \$opt_O, # zero-offset bad
|
||
|
|
"j=s" => \$opt_j, "jwarn=i" => \$opt_j, # jitter warning if above this number
|
||
|
|
"k=s" => \$opt_k, "jcrit=i" => \$opt_k, # jitter critical if above this number
|
||
|
|
"t=s" => \$opt_t, "timeout=i" => \$opt_t,
|
||
|
|
"H=s" => \$opt_H, "hostname=s" => \$opt_H);
|
||
|
|
|
||
|
|
if ($opt_V) {
|
||
|
|
print_revision($PROGNAME,'$Revision: 1.29 $ ');
|
||
|
|
exit $ERRORS{'OK'};
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($opt_h) {
|
||
|
|
print_help();
|
||
|
|
exit $ERRORS{'OK'};
|
||
|
|
}
|
||
|
|
|
||
|
|
# jitter test params specified
|
||
|
|
if (defined $opt_j || defined $opt_k ) {
|
||
|
|
$def_jitter = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
$opt_H = shift unless ($opt_H);
|
||
|
|
my $host = $1 if ($opt_H && $opt_H =~ m/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|[a-zA-Z][-a-zA-Z0-9]+(\.[a-zA-Z][-a-zA-Z0-9]+)*)$/);
|
||
|
|
unless ($host) {
|
||
|
|
print "No target host specified\n";
|
||
|
|
print_usage();
|
||
|
|
exit $ERRORS{'UNKNOWN'};
|
||
|
|
}
|
||
|
|
|
||
|
|
my ($timeout, $owarn, $ocrit, $jwarn, $jcrit);
|
||
|
|
|
||
|
|
$timeout = $TIMEOUT;
|
||
|
|
($opt_t) && ($opt_t =~ /^([0-9]+)$/) && ($timeout = $1);
|
||
|
|
|
||
|
|
$owarn = $DEFAULT_OFFSET_WARN;
|
||
|
|
($opt_w) && ($opt_w =~ /^([0-9.]+)$/) && ($owarn = $1);
|
||
|
|
|
||
|
|
$ocrit = $DEFAULT_OFFSET_CRIT;
|
||
|
|
($opt_c) && ($opt_c =~ /^([0-9.]+)$/) && ($ocrit = $1);
|
||
|
|
|
||
|
|
$jwarn = $DEFAULT_JITTER_WARN;
|
||
|
|
($opt_j) && ($opt_j =~ /^([0-9]+)$/) && ($jwarn = $1);
|
||
|
|
|
||
|
|
$jcrit = $DEFAULT_JITTER_CRIT;
|
||
|
|
($opt_k) && ($opt_k =~ /^([0-9]+)$/) && ($jcrit = $1);
|
||
|
|
|
||
|
|
if ($ocrit < $owarn ) {
|
||
|
|
print "Critical offset should be larger than warning offset\n";
|
||
|
|
print_usage();
|
||
|
|
exit $ERRORS{"UNKNOWN"};
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($def_jitter) {
|
||
|
|
if ($opt_k < $opt_j) {
|
||
|
|
print "Critical jitter should be larger than warning jitter\n";
|
||
|
|
print_usage();
|
||
|
|
exit $ERRORS{'UNKNOWN'};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
my $stratum = -1;
|
||
|
|
my $ignoreret = 0;
|
||
|
|
my $answer = undef;
|
||
|
|
my $offset = undef;
|
||
|
|
my $jitter = undef;
|
||
|
|
my $syspeer = undef;
|
||
|
|
my $candidate = 0;
|
||
|
|
my @candidates;
|
||
|
|
my $msg; # first line of output to print if format is invalid
|
||
|
|
|
||
|
|
my $state = $ERRORS{'UNKNOWN'};
|
||
|
|
my $ntpdate_error = $ERRORS{'UNKNOWN'};
|
||
|
|
my $jitter_error = $ERRORS{'UNKNOWN'};
|
||
|
|
|
||
|
|
# some systems don't have a proper ntpq (migrated from ntpdc)
|
||
|
|
my $have_ntpq = undef;
|
||
|
|
if ($utils::PATH_TO_NTPQ && -x $utils::PATH_TO_NTPQ ) {
|
||
|
|
$have_ntpq = 1;
|
||
|
|
}else{
|
||
|
|
$have_ntpq = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
# Just in case of problems, let's not hang Nagios
|
||
|
|
$SIG{'ALRM'} = sub {
|
||
|
|
print ("ERROR: No response from ntp server (alarm)\n");
|
||
|
|
exit $ERRORS{"UNKNOWN"};
|
||
|
|
};
|
||
|
|
alarm($timeout);
|
||
|
|
|
||
|
|
# Determine protocol to be used for ntpdate and ntpq
|
||
|
|
my $ntpdate = $utils::PATH_TO_NTPDATE;
|
||
|
|
my $ntpq = $utils::PATH_TO_NTPQ;
|
||
|
|
if ($ipv4) {
|
||
|
|
$ntpdate .= " -4";
|
||
|
|
$ntpq .= " -4";
|
||
|
|
}
|
||
|
|
elsif ($ipv6) {
|
||
|
|
$ntpdate .= " -6";
|
||
|
|
$ntpq .= " -6";
|
||
|
|
}
|
||
|
|
# else don't use any flags
|
||
|
|
|
||
|
|
###
|
||
|
|
###
|
||
|
|
### First, check ntpdate
|
||
|
|
###
|
||
|
|
###
|
||
|
|
|
||
|
|
if (!open (NTPDATE, $ntpdate . " -q $host 2>&1 |")) {
|
||
|
|
print "Could not open ntpdate\n";
|
||
|
|
exit $ERRORS{"UNKNOWN"};
|
||
|
|
}
|
||
|
|
|
||
|
|
while (<NTPDATE>) {
|
||
|
|
#print if ($verbose); # noop
|
||
|
|
$msg = $_ unless ($msg);
|
||
|
|
|
||
|
|
if (/stratum\s(\d+)/) {
|
||
|
|
$stratum = $1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (/(offset|adjust)\s+([-.\d]+)/i) {
|
||
|
|
$offset = $2;
|
||
|
|
|
||
|
|
# An offset of 0.000000 with an error is probably bogus. Actually,
|
||
|
|
# it's probably always bogus, but let's be paranoid here.
|
||
|
|
# Has been reported that 0.0000 happens in a production environment
|
||
|
|
# on Solaris 8 so this check should be taken out - SF tracker 1150777
|
||
|
|
if (defined $opt_O ) {
|
||
|
|
if ($offset == 0) { undef $offset;}
|
||
|
|
}
|
||
|
|
|
||
|
|
$ntpdate_error = defined ($offset) ? $ERRORS{"OK"} : $ERRORS{"CRITICAL"};
|
||
|
|
print "ntperr = $ntpdate_error \n" if $verbose;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (/no server suitable for synchronization found/) {
|
||
|
|
if ($stratum == 16) {
|
||
|
|
$ntpdate_error = $ERRORS{"WARNING"};
|
||
|
|
$msg = "Desynchronized peer server found";
|
||
|
|
$ignoreret=1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$ntpdate_error = $ERRORS{"CRITICAL"};
|
||
|
|
$msg = "No suitable peer server found - ";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
close (NTPDATE);
|
||
|
|
# declare an error if we also get a non-zero return code from ntpdate
|
||
|
|
# unless already set to critical
|
||
|
|
if ( $? && !$ignoreret ) {
|
||
|
|
print "stderr = $? : $! \n" if $verbose;
|
||
|
|
$ntpdate_error = $ntpdate_error == $ERRORS{"CRITICAL"} ? $ERRORS{"CRITICAL"} : $ERRORS{"UNKNOWN"} ;
|
||
|
|
print "ntperr = $ntpdate_error : $!\n" if $verbose;
|
||
|
|
}
|
||
|
|
|
||
|
|
###
|
||
|
|
###
|
||
|
|
### Then scan xntpq/ntpq if it exists
|
||
|
|
### and look in the 11th column for jitter
|
||
|
|
###
|
||
|
|
# Field 1: Tally Code ( Space, 'x','.','-','+','#','*','o')
|
||
|
|
# Only match for '*' which implies sys.peer
|
||
|
|
# or 'o' which implies pps.peer
|
||
|
|
# If both exist, the last one is picked.
|
||
|
|
# Field 2: address of the remote peer
|
||
|
|
# Field 3: Refid of the clock (0.0.0.0 if unknown, WWWV/PPS/GPS/ACTS/USNO/PCS/... if Stratum1)
|
||
|
|
# Field 4: stratum (0-15)
|
||
|
|
# Field 5: Type of the peer: local (l), unicast (u), multicast (m)
|
||
|
|
# broadcast (b); not sure about multicast/broadcast
|
||
|
|
# Field 6: last packet receive (in seconds)
|
||
|
|
# Field 7: polling interval
|
||
|
|
# Field 8: reachability resgister (octal)
|
||
|
|
# Field 9: delay
|
||
|
|
# Field 10: offset
|
||
|
|
# Field 11: dispersion/jitter
|
||
|
|
#
|
||
|
|
# According to bug 773588 Some solaris xntpd implementations seemto match on
|
||
|
|
# "#" even though the docs say it exceeds maximum distance. Providing patch
|
||
|
|
# here which will generate a warining.
|
||
|
|
|
||
|
|
if ($have_ntpq) {
|
||
|
|
|
||
|
|
if ( open(NTPQ, $ntpq . " -np $host 2>&1 |") ) {
|
||
|
|
while (<NTPQ>) {
|
||
|
|
print $_ if ($verbose);
|
||
|
|
if ( /timed out/ ){
|
||
|
|
$have_ntpq = 0 ;
|
||
|
|
last ;
|
||
|
|
}
|
||
|
|
# number of candidates on <host> for sys.peer
|
||
|
|
if (/^(\*|\+|\#|o])/) {
|
||
|
|
++$candidate;
|
||
|
|
push (@candidates, $_);
|
||
|
|
print "Candidate count= $candidate\n" if ($verbose);
|
||
|
|
}
|
||
|
|
|
||
|
|
# match sys.peer or pps.peer
|
||
|
|
if (/^(\*|o)([-0-9.\s]+)\s+([-0-9A-Za-z_().]+)\s+([-0-9.]+)\s+([lumb-]+)\s+([-0-9hm.]+)\s+([-0-9.mh]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)/) {
|
||
|
|
$syspeer = $2;
|
||
|
|
$stratum = $4;
|
||
|
|
$jitter = $11;
|
||
|
|
print "match $_ \n" if $verbose;
|
||
|
|
if ($jitter > $jcrit) {
|
||
|
|
print "Jitter_crit = $11 :$jcrit\n" if ($verbose);
|
||
|
|
$jitter_error = $ERRORS{'CRITICAL'};
|
||
|
|
} elsif ($jitter > $jwarn ) {
|
||
|
|
print "Jitter_warn = $11 :$jwarn\n" if ($verbose);
|
||
|
|
$jitter_error = $ERRORS{'WARNING'};
|
||
|
|
} else {
|
||
|
|
$jitter_error = $ERRORS{'OK'};
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
print "No match!\n" if $verbose;
|
||
|
|
$jitter = '(not parsed)';
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
close NTPQ;
|
||
|
|
|
||
|
|
# if we did not match sys.peer or pps.peer but matched # candidates only
|
||
|
|
# generate a warning
|
||
|
|
# based on bug id 773588
|
||
|
|
unless (defined $syspeer) {
|
||
|
|
if ($#candidates >=0) {
|
||
|
|
foreach my $c (@candidates) {
|
||
|
|
$c =~ /^(#)([-0-9.\s]+)\s+([-0-9A-Za-z_().]+)\s+([-0-9.]+)\s+([lumb-]+)\s+([-0-9m.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)/;
|
||
|
|
$syspeer = $2;
|
||
|
|
$stratum = $4;
|
||
|
|
$jitter = $11;
|
||
|
|
print "candidate match $c \n" if $verbose;
|
||
|
|
if ($jitter > $jcrit) {
|
||
|
|
print "Candidate match - Jitter_crit = $11 :$jcrit\n" if ($verbose);
|
||
|
|
$jitter_error = $ERRORS{'CRITICAL'};
|
||
|
|
}elsif ($jitter > $jwarn ) {
|
||
|
|
print "Candidate match - Jitter_warn = $11 :$jwarn \n" if ($verbose);
|
||
|
|
$jitter_error = $ERRORS{'WARNING'};
|
||
|
|
} else {
|
||
|
|
$jitter_error = $ERRORS{'WARNING'};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if ($ntpdate_error != $ERRORS{'OK'}) {
|
||
|
|
$state = $ntpdate_error;
|
||
|
|
if ($ntpdate_error == $ERRORS{'WARNING'} ) {
|
||
|
|
$answer = $msg;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$answer = $msg . "Server for ntp probably down";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (defined($offset) && abs($offset) > $ocrit) {
|
||
|
|
$state = $ERRORS{'CRITICAL'};
|
||
|
|
$answer = "Server Error and offset $offset sec > +/- $ocrit sec";
|
||
|
|
} elsif (defined($offset) && abs($offset) > $owarn) {
|
||
|
|
$answer = "Server error and offset $offset sec > +/- $owarn sec";
|
||
|
|
} elsif (defined($jitter) && abs($jitter) > $jcrit) {
|
||
|
|
$answer = "Server error and jitter $jitter msec > +/- $jcrit msec";
|
||
|
|
} elsif (defined($jitter) && abs($jitter) > $jwarn) {
|
||
|
|
$answer = "Server error and jitter $jitter msec > +/- $jwarn msec";
|
||
|
|
}
|
||
|
|
|
||
|
|
} elsif ($have_ntpq && $jitter_error != $ERRORS{'OK'}) {
|
||
|
|
$state = $jitter_error;
|
||
|
|
$answer = "Jitter $jitter too high";
|
||
|
|
if (defined($offset) && abs($offset) > $ocrit) {
|
||
|
|
$state = $ERRORS{'CRITICAL'};
|
||
|
|
$answer = "Jitter error and offset $offset sec > +/- $ocrit sec";
|
||
|
|
} elsif (defined($offset) && abs($offset) > $owarn) {
|
||
|
|
$answer = "Jitter error and offset $offset sec > +/- $owarn sec";
|
||
|
|
} elsif (defined($jitter) && abs($jitter) > $jcrit) {
|
||
|
|
$answer = "Jitter error and jitter $jitter msec > +/- $jcrit msec";
|
||
|
|
} elsif (defined($jitter) && abs($jitter) > $jwarn) {
|
||
|
|
$answer = "Jitter error and jitter $jitter msec > +/- $jwarn msec";
|
||
|
|
}
|
||
|
|
|
||
|
|
} elsif( !$have_ntpq ) { # no errors from ntpdate and no ntpq or ntpq timed out
|
||
|
|
if (abs($offset) > $ocrit) {
|
||
|
|
$state = $ERRORS{'CRITICAL'};
|
||
|
|
$answer = "Offset $offset sec > +/- $ocrit sec";
|
||
|
|
} elsif (abs($offset) > $owarn) {
|
||
|
|
$state = $ERRORS{'WARNING'};
|
||
|
|
$answer = "Offset $offset sec > +/- $owarn sec";
|
||
|
|
} elsif (( abs($offset) > $owarn) && $def_jitter ) {
|
||
|
|
$state = $ERRORS{'WARNING'};
|
||
|
|
$answer = "Offset $offset sec > +/- $owarn sec, ntpq timed out";
|
||
|
|
} elsif ( $def_jitter ) {
|
||
|
|
$state = $ERRORS{'WARNING'};
|
||
|
|
$answer = "Offset $offset secs, ntpq timed out";
|
||
|
|
} else{
|
||
|
|
$state = $ERRORS{'OK'};
|
||
|
|
$answer = "Offset $offset secs";
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
} else { # no errors from ntpdate or ntpq
|
||
|
|
if (abs($offset) > $ocrit) {
|
||
|
|
$state = $ERRORS{'CRITICAL'};
|
||
|
|
$answer = "Offset $offset sec > +/- $ocrit sec, jitter $jitter msec";
|
||
|
|
} elsif (abs($jitter) > $jcrit ) {
|
||
|
|
$state = $ERRORS{'CRITICAL'};
|
||
|
|
$answer = "Jitter $jitter msec> +/- $jcrit msec, offset $offset sec";
|
||
|
|
} elsif (abs($offset) > $owarn) {
|
||
|
|
$state = $ERRORS{'WARNING'};
|
||
|
|
$answer = "Offset $offset sec > +/- $owarn sec, jitter $jitter msec";
|
||
|
|
} elsif (abs($jitter) > $jwarn ) {
|
||
|
|
$state = $ERRORS{'WARNING'};
|
||
|
|
$answer = "Jitter $jitter msec> +/- $jwarn msec, offset $offset sec";
|
||
|
|
|
||
|
|
} else {
|
||
|
|
$state = $ERRORS{'OK'};
|
||
|
|
$answer = "Offset $offset secs, jitter $jitter msec, peer is stratum $stratum";
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach my $key (keys %ERRORS) {
|
||
|
|
if ($state==$ERRORS{$key}) {
|
||
|
|
# print ("NTP $key: $answer");
|
||
|
|
print ("NTP $key: $answer|offset=$offset, jitter=" . $jitter/1000 . ",peer_stratum=$stratum\n");
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exit $state;
|
||
|
|
|
||
|
|
|
||
|
|
####
|
||
|
|
#### subs
|
||
|
|
|
||
|
|
sub print_usage () {
|
||
|
|
print "Usage: $PROGNAME -H <host> [-46] [-O] [-w <warn>] [-c <crit>] [-j <warn>] [-k <crit>] [-v verbose]\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
sub print_help () {
|
||
|
|
print_revision($PROGNAME,'$Revision: 1.29 $');
|
||
|
|
print "Copyright (c) 2003 Bo Kersey/Karl DeBisschop\n";
|
||
|
|
print "\n";
|
||
|
|
print_usage();
|
||
|
|
print "
|
||
|
|
Checks the local timestamp offset versus <host> with ntpdate
|
||
|
|
Checks the jitter/dispersion of clock signal between <host> and its sys.peer with ntpq\n
|
||
|
|
-O (--zero-offset)
|
||
|
|
A zero offset on \"ntpdate\" will generate a CRITICAL.\n
|
||
|
|
-w (--warning)
|
||
|
|
Clock offset in seconds at which a warning message will be generated.\n Defaults to $DEFAULT_OFFSET_WARN.
|
||
|
|
-c (--critical)
|
||
|
|
Clock offset in seconds at which a critical message will be generated.\n Defaults to $DEFAULT_OFFSET_CRIT.
|
||
|
|
-j (--jwarn)
|
||
|
|
Clock jitter in milliseconds at which a warning message will be generated.\n Defaults to $DEFAULT_JITTER_WARN.
|
||
|
|
-k (--jcrit)
|
||
|
|
Clock jitter in milliseconds at which a critical message will be generated.\n Defaults to $DEFAULT_JITTER_CRIT.
|
||
|
|
|
||
|
|
If jitter/dispersion is specified with -j or -k and ntpq times out, then a
|
||
|
|
warning is returned.\n
|
||
|
|
-4 (--use-ipv4)
|
||
|
|
Use IPv4 connection
|
||
|
|
-6 (--use-ipv6)
|
||
|
|
Use IPv6 connection
|
||
|
|
\n";
|
||
|
|
support();
|
||
|
|
}
|