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index cad92a6676b68c4f2b650242f593d63c135cf7c0..82c97cedd6dee3beb529a81fa3997d2d24e0b84a 100755 (executable)
# should already have it installed.
#
# $Id$
-#
+#
# Nothing clever done in this program - its a very simple bare basics hack to
# get the job done.
#
use POSIX;
use strict;
use Getopt::Long;
-use vars qw($opt_V $opt_h $opt_H $opt_w $opt_c $opt_j $opt_k $verbose $PROGNAME $def_jitter);
-use lib utils.pm;
+use vars qw($opt_V $opt_h $opt_H $opt_t $opt_w $opt_c $opt_j $opt_k $verbose $PROGNAME $def_jitter $ipv4 $ipv6);
+use lib utils.pm;
use utils qw($TIMEOUT %ERRORS &print_revision &support);
$PROGNAME="check_ntp";
GetOptions
("V" => \$opt_V, "version" => \$opt_V,
"h" => \$opt_h, "help" => \$opt_h,
- "v" => \$verbose, "verbose" => \$verbose,
+ "v" => \$verbose, "verbose" => \$verbose,
+ "4" => \$ipv4, "use-ipv4" => \$ipv4,
+ "6" => \$ipv6, "use-ipv6" => \$ipv6,
"w=f" => \$opt_w, "warning=f" => \$opt_w, # offset|adjust warning if above this number
"c=f" => \$opt_c, "critical=f" => \$opt_c, # offset|adjust critical if above this number
- "j=s" => \$opt_j, "jwarn=s" => \$opt_j, # jitter warning if above this number
- "k=s" => \$opt_k, "jcrit=s" => \$opt_k, # jitter critical if above this number
+ "j=s" => \$opt_j, "jwarn=i" => \$opt_j, # jitter warning if above this number
+ "k=s" => \$opt_k, "jcrit=i" => \$opt_k, # jitter critical if above this number
+ "t=s" => \$opt_t, "timeout=i" => \$opt_t,
"H=s" => \$opt_H, "hostname=s" => \$opt_H);
if ($opt_V) {
exit $ERRORS{'UNKNOWN'};
}
-($opt_w) || ($opt_w = $DEFAULT_OFFSET_WARN);
-my $owarn = $1 if ($opt_w =~ /([0-9.]+)/);
+my ($timeout, $owarn, $ocrit, $jwarn, $jcrit);
+
+$timeout = $TIMEOUT;
+($opt_t) && ($opt_t =~ /^([0-9]+)$/) && ($timeout = $1);
-($opt_c) || ($opt_c = $DEFAULT_OFFSET_CRIT);
-my $ocrit = $1 if ($opt_c =~ /([0-9.]+)/);
+$owarn = $DEFAULT_OFFSET_WARN;
+($opt_w) && ($opt_w =~ /^([0-9.]+)$/) && ($owarn = $1);
-($opt_j) || ($opt_j = $DEFAULT_JITTER_WARN);
-my $jwarn = $1 if ($opt_j =~ /([0-9]+)/);
+$ocrit = $DEFAULT_OFFSET_CRIT;
+($opt_c) && ($opt_c =~ /^([0-9.]+)$/) && ($ocrit = $1);
-($opt_k) || ($opt_k = $DEFAULT_JITTER_CRIT);
-my $jcrit = $1 if ($opt_k =~ /([0-9]+)/);
+$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 $ERRORS{"UNKNOWN"};
}
-if ($opt_k < $opt_j) {
- print "Critical jitter should be larger than warning jitter\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 $offset = undef;
my $jitter = undef;
my $syspeer = undef;
-my $candidates = 0;
+my $candidate = 0;
+my @candidates;
my $msg; # first line of output to print if format is invalid
my $state = $ERRORS{'UNKNOWN'};
print ("ERROR: No response from ntp server (alarm)\n");
exit $ERRORS{"UNKNOWN"};
};
-alarm($TIMEOUT);
-
+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";
+ $ntpq .= " -6";
+}
+# else don't use any flags
###
###
###
###
-if (!open (NTPDATE, "$utils::PATH_TO_NTPDATE -q $host 2>&1 |")) {
+if (!open (NTPDATE, $ntpdate . " -q $host 2>&1 |")) {
print "Could not open ntpdate\n";
exit $ERRORS{"UNKNOWN"};
}
# An offset of 0.000000 with an error is probably bogus. Actually,
# it's probably always bogus, but let's be paranoid here.
- if ($offset == 0) { undef $offset;}
+ # Has been reported that 0.0000 happens in a production environment
+ # on Solaris 8 so this check should be taken out - SF tracker 1150777
+ #if ($offset == 0) { undef $offset;}
$ntpdate_error = defined ($offset) ? $ERRORS{"OK"} : $ERRORS{"CRITICAL"};
print "ntperr = $ntpdate_error \n" if $verbose;
# Field 10: offset
# Field 11: dispersion/jitter
#
+# According to bug 773588 Some solaris xntpd implementations seemto match on
+# "#" even though the docs say it exceeds maximum distance. Providing patch
+# here which will generate a warining.
if ($have_ntpq) {
- if ( open(NTPQ,"$utils::PATH_TO_NTPQ -np $host 2>&1 |") ) {
+ if ( open(NTPQ, $ntpq . " -np $host 2>&1 |") ) {
while (<NTPQ>) {
print $_ if ($verbose);
if ( /timed out/ ){
}
# number of candidates on <host> for sys.peer
if (/^(\*|\+|\#|o])/) {
- ++$candidates;
- print "Candiate count= $candidates\n" if ($verbose);
+ ++$candidate;
+ push (@candidates, $_);
+ print "Candiate 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+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)\s+([-0-9.]+)/) {
+ if (/^(\*|o)([-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;
$jitter_error = $ERRORS{'OK'};
}
}
+
}
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 = $ERRORS{'WARNING'};
+ }
+ }
+
+ }
+ }
}
}
if (defined($offset) && abs($offset) > $ocrit) {
$state = $ERRORS{'CRITICAL'};
- $answer = "Server Error and offset $offset msec > +/- $ocrit msec\n";
+ $answer = "Server Error and offset $offset sec > +/- $ocrit sec\n";
} elsif (defined($offset) && abs($offset) > $owarn) {
- $answer = "Server error and offset $offset msec > +/- $owarn msec\n";
+ $answer = "Server error and offset $offset sec > +/- $owarn sec\n";
} elsif (defined($jitter) && abs($jitter) > $jcrit) {
$answer = "Server error and jitter $jitter msec > +/- $jcrit msec\n";
} elsif (defined($jitter) && abs($jitter) > $jwarn) {
} elsif( !$have_ntpq ) { # no errors from ntpdate and no ntpq or ntpq timed out
if (abs($offset) > $ocrit) {
$state = $ERRORS{'CRITICAL'};
- $answer = "Offset $offset msec > +/- $ocrit sec\n";
+ $answer = "Offset $offset sec > +/- $ocrit sec\n";
} elsif (abs($offset) > $owarn) {
$state = $ERRORS{'WARNING'};
- $answer = "Offset $offset msec > +/- $owarn sec\n";
+ $answer = "Offset $offset sec > +/- $owarn sec\n";
} elsif (( abs($offset) > $owarn) && $def_jitter ) {
$state = $ERRORS{'WARNING'};
- $answer = "Offset $offset msec > +/- $owarn sec, ntpq timed out\n";
+ $answer = "Offset $offset sec > +/- $owarn sec, ntpq timed out\n";
} elsif ( $def_jitter ) {
$state = $ERRORS{'WARNING'};
$answer = "Offset $offset secs, ntpq timed out\n";
} else { # no errors from ntpdate or ntpq
if (abs($offset) > $ocrit) {
$state = $ERRORS{'CRITICAL'};
- $answer = "Offset $offset msec > +/- $ocrit sec, jitter $jitter msec\n";
+ $answer = "Offset $offset sec > +/- $ocrit sec, jitter $jitter msec\n";
} elsif (abs($jitter) > $jcrit ) {
$state = $ERRORS{'CRITICAL'};
$answer = "Jitter $jitter msec> +/- $jcrit msec, offset $offset sec \n";
} elsif (abs($offset) > $owarn) {
$state = $ERRORS{'WARNING'};
- $answer = "Offset $offset msec > +/- $owarn sec, jitter $jitter msec\n";
+ $answer = "Offset $offset sec > +/- $owarn sec, jitter $jitter msec\n";
} elsif (abs($jitter) > $jwarn ) {
$state = $ERRORS{'WARNING'};
$answer = "Jitter $jitter msec> +/- $jwarn msec, offset $offset sec \n";
#### subs
sub print_usage () {
- print "Usage: $PROGNAME -H <host> [-w <warn>] [-c <crit>] [-j <warn>] [-k <crit>] [-v verbose]\n";
+ print "Usage: $PROGNAME -H <host> [-46] [-w <warn>] [-c <crit>] [-j <warn>] [-k <crit>] [-v verbose]\n";
}
sub print_help () {
@@ -387,10 +443,14 @@ Checks the jitter/dispersion of clock signal between <host> and its sys.peer wit
-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 warning message will be generated.\n Defaults to $DEFAULT_JITTER_CRIT.\n
+ Clock jitter in milliseconds at which a warning 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.
-";
+ warning is returned.\n
+-4 (--use-ipv4)
+ Use IPv4 connection
+-6 (--use-ipv6)
+ Use IPv6 connection
+\n";
support();
}