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check_disks.pl/check_disks.pl
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@ -4,7 +4,7 @@
=head1 PLUGIN =head1 PLUGIN
check_disk.pl : check disks on Unix servers check_disks.pl : check disks on Unix servers
=head1 ENVIRONNEMENT =head1 ENVIRONNEMENT
@ -19,7 +19,7 @@
=head1 SYNOPSIS =head1 SYNOPSIS
./check_disk.pl [-H <host>] [-w <num>] [-c <num>] [-u <user>] [-p <path>] ./check_disks.pl [-H <host>] [-w <num>] [-c <num>] [-u <user>] [-p <path>]
[-i <dev>] [-f <fs>] [-h] [-C <file>] [-i <dev>] [-f <fs>] [-h] [-C <file>]
-h | --help : Display this help -h | --help : Display this help
-w | --warning : % free space to send warning alert (default 10) -w | --warning : % free space to send warning alert (default 10)
@ -44,7 +44,7 @@
-w and -c options allow you to ajust default threshold of all checked fs. -w and -c options allow you to ajust default threshold of all checked fs.
Theses values can be overwritten with -C option by specifying a configuration Theses values can be overwritten with -C option by specifying a configuration
file. perldoc ckech_disk.pl for more details. file. perldoc check_disks.pl for more details.
If you want to use the NRPE connexion and check remote hosts, you must create If you want to use the NRPE connexion and check remote hosts, you must create
a connection without password between your nagios server and the checked host a connection without password between your nagios server and the checked host
(key exchange). (key exchange).
@ -57,28 +57,28 @@ a connection without password between your nagios server and the checked host
All FS will have the same threshold : All FS will have the same threshold :
not verbose mode : not verbose mode :
./check_disk.pl -w 20 -c 10 ./check_disks.pl -w 20 -c 10
DISKS OK DISKS OK
verbose mode : verbose mode :
./check_disk.pl -w 20 -c 10 -v ./check_disks.pl -w 20 -c 10 -v
DISK OK [/dev/shm 125.1M (100% free)] [/usr 1.1G (56% free)] [/ 357.2M (84% DISKS OK [/dev/shm 125.1M (100% free)] [/usr 1.1G (56% free)] [/ 357.2M (84%
free)] [/var 1.5G (73% free)] [/tmp 989.7M (96% free)] [/home 1.8G (90% free)] free)] [/var 1.5G (73% free)] [/tmp 989.7M (96% free)] [/home 1.8G (90% free)]
ignore some FS : ignore some FS :
./check_disk.pl -i /dev/shm,/tmp,/home -v ./check_disks.pl -i /dev/shm,/tmp,/home -v
DISK OK [/usr 1.1G (56% free)] [/ 357.2M (84% free)] [/var 1.5G (73% free)] DISKS OK [/usr 1.1G (56% free)] [/ 357.2M (84% free)] [/var 1.5G (73% free)]
Specify different threshold : Specify different threshold :
./check_disk.pl -w 20 -c 10 -f /usr:30:25 -i /dev/shm,/tmp,/home -v ./check_disks.pl -w 20 -c 10 -f /usr:30:25 -i /dev/shm,/tmp,/home -v
Specify another unit (K kilo, M Mega, G Giga, T Tera) : Specify another unit (K kilo, M Mega, G Giga, T Tera) :
./check_disk.pl -w 20 -c 10 -f /usr:400M:300M -i /dev/shm,/tmp,/home ./check_disks.pl -w 20 -c 10 -f /usr:400M:300M -i /dev/shm,/tmp,/home
=head2 With a FS config file : =head2 With a FS config file :
Syntaxe (check_disk.cfg): Syntaxe (check_disks.cfg):
#FS WARN CRIT #FS WARN CRIT
/ 400M 300M / 400M 300M
@ -88,12 +88,16 @@ free)] [/var 1.5G (73% free)] [/tmp 989.7M (96% free)] [/home 1.8G (90% free)]
FS threshold are read in this configuration file. the -f option will FS threshold are read in this configuration file. the -f option will
not be used. not be used.
./check_disk.pl -C check_disk.cfg -i /dev/shm,/tmp,/home ./check_disks.pl -C check_disks.cfg -i /dev/shm,/tmp,/home
DISK WARNING [/ 357.2M (84% free)] DISKS WARNING [/ 357.2M (84% free)]
=head1 HISTORY =head1 HISTORY
$Log: check_disk.pl,v $ $Log: check_disks.pl,v $
Revision 1.11 2014/12/17 11:07:00 duboip
o Fixed bug with verbose option (all mount points were always retured with options off)
o Removed extra spaces in output.
Revision 1.10 2013/03/01 14:28:00 tryggvi@ok.is Revision 1.10 2013/03/01 14:28:00 tryggvi@ok.is
o Added support for inodes o Added support for inodes
@ -373,24 +377,28 @@ my $ok_disks = "";
# Tests Warn et Crit de tous les fs et creation de l'output # Tests Warn et Crit de tous les fs et creation de l'output
foreach my $f (keys %checkdisks) { foreach my $f (keys %checkdisks) {
if ($opt_v) { $output .= "\n"; } my $notok = 0;
if($checkdisks{$f}->{pfree} < $checkdisks{$f}->{critical}) { if($checkdisks{$f}->{pfree} < $checkdisks{$f}->{critical}) {
$critical_disks .= " " . $f ; $critical_disks = join (' ', $critical_disks, $f) ;
$cmp_crit++; $cmp_crit++;
$notok = 1;
} }
elsif ($checkdisks{$f}->{pfree} < $checkdisks{$f}->{warning}) { elsif ($checkdisks{$f}->{pfree} < $checkdisks{$f}->{warning}) {
$warning_disks .= " " . $f ; $warning_disks = join (' ', $warning_disks, $f) ;
$cmp_warn++; $cmp_warn++;
$notok = 1;
} else { } else {
$ok_disks .= " " . $f ; $ok_disks = join (' ', $ok_disks, $f) ;
} }
if ($notok || $opt_v) {
$output .= "[ $f " . byte2human($checkdisks{$f}->{free}) . $output .= "[ $f " . byte2human($checkdisks{$f}->{free}) .
" (" . $checkdisks{$f}->{pfree} . '% free) ;' . " (" . $checkdisks{$f}->{pfree} . '% free) ;' .
"warning=" . $checkdisks{$f}->{warning} . "% " . "warning=" . $checkdisks{$f}->{warning} . "% " .
"critical=" . $checkdisks{$f}->{critical} . "% " . "critical=" . $checkdisks{$f}->{critical} . "% " .
'] ' ; '] ' ;
$output .= "<br>" if ($opt_html); $output .= "<br>" if ($opt_html);
#$output .= "\n"; $output .= "\n" if ($opt_v);
}
# Donnees de Perfs # Donnees de Perfs
my $perfwarn=$alldisks{$f}->{somme}*((100-$checkdisks{$f}->{warning})/100); my $perfwarn=$alldisks{$f}->{somme}*((100-$checkdisks{$f}->{warning})/100);
@ -404,7 +412,6 @@ foreach my $f (keys %checkdisks) {
"0;". "0;".
"$checkdisks{$f}->{somme} "; "$checkdisks{$f}->{somme} ";
} }
if($cmp_crit > 0) { if($cmp_crit > 0) {
$retour='CRITICAL'; $retour='CRITICAL';
} elsif ($cmp_warn > 0) { } elsif ($cmp_warn > 0) {
@ -428,14 +435,18 @@ if (-d $opt_srvperf) {
my $host = $cfg->get_host_by_address($opt_H) || $opt_H; my $host = $cfg->get_host_by_address($opt_H) || $opt_H;
open(FP, ">>$opt_srvperf/$host.perfdata") ; open(FP, ">>$opt_srvperf/$host.perfdata") ;
print FP time(),"|$host|disk|DISK $retour $output|$perf_data\n" ; print FP time(),"|$host|disk|DISKS $retour $output|$perf_data\n" ;
close(FP) ; close(FP) ;
} }
} }
# Sortie du plugin : sans donnees de perfs qui sont stockes # Sortie du plugin : sans donnees de perfs qui sont stockes
# dans d'autres fichiers # dans d'autres fichiers
print "DISK $retour $critical_disks $warning_disks ... $output | $perf_data\n"; print "DISKS $retour";
print "$critical_disks" if ( $critical_disks );
print "$warning_disks" if ( $warning_disks );
print "\n$output" if ( $output && ( $retour ne 'OK' || $opt_v ) );
print "| $perf_data\n";
exit $EXIT_CODES{$retour}; exit $EXIT_CODES{$retour};
########################################################################## ##########################################################################