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#!/usr/bin/perl
# check_inodes.pl for FreeBSD
# Designed on FreeBSD 4.6 (although this should not matter)
# parses df output, splits, and then takes variables
# df.pl -f mountpoint -w warningnumber -c critical number
# USE NUMBERS AND NOT PERCENTS FOR wanring and critical values
# -h is help
# -v is version
# Mountpoints:
# like / or /usr or /var (whatever you mount drives NOT the device names)
# Andrew Ryder - 20020804 - atr@mrcoffee.org
use strict;
use Getopt::Long;
use vars qw($opt_V $opt_h $opt_w $opt_c $opt_f $verbose $PROGNAME);
use lib "/usr/local/libexec/nagios" ;
use utils qw($TIMEOUT %ERRORS &print_revision &support);
my $df = "/bin/df";
my $grep = "/usr/bin/grep";
$PROGNAME="df.pl";
sub print_help ();
sub print_usage ();
$ENV{'PATH'}='';
$ENV{'BASH_ENV'}='';
$ENV{'ENV'}='';
Getopt::Long::Configure('bundling');
GetOptions
("V" => \$opt_V, "version" => \$opt_V,
"h" => \$opt_h, "help" => \$opt_h,
"w=s" => \$opt_w, "warning=s" => \$opt_w,
"c=s" => \$opt_c, "critical=s" => \$opt_c,
"f=s" => \$opt_f, "filesystem=s" => \$opt_f);
if ($opt_V) {
print_revision($PROGNAME,'$Revision: 72 $ ');
exit $ERRORS{'OK'};
}
if ($opt_h) {
print_help();
exit $ERRORS{'OK'};
}
($opt_w) || ($opt_w = shift) || ($opt_w = 50);
my $warning = $1 if ($opt_w =~ /([0-9]+)/);
($opt_c) || ($opt_c = shift) || ($opt_c = 75);
my $critical = $1 if ($opt_c =~ /([0-9]+)/);
if ($opt_c < $opt_w) {
print "Critical offset should be larger than warning offset\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
($opt_f) || ($opt_f = "/");
unless (-e $df) {
print "UNKNOWN: $df is not where df is\n";
exit $ERRORS{'UNKNOWN'};
}
unless (-e $grep) {
print "UNKNOWN: $grep is not where grep is\n";
exit $ERRORS{'UNKNOWN'};
}
unless (-d $opt_f) {
print "UNKNOWN: $opt_f is not a mount point\n";
exit $ERRORS{'UNKNOWN'};
}
my $state = $ERRORS{'UNKNOWN'};
my $answer;
open(DF, "$df -i $opt_f| $grep -v Filesystem |");
while (<DF>) {
my ($fs,$onek,$used,$avail,$capacity,$iused,$ifree,$ipercent,$mounted) = split;
$ipercent =~ s/%//s;
if ($ipercent > $opt_w) {
$state = $ERRORS{'WARNING'};
$answer = "WARNING: $ipercent percent inodes free on $opt_f\n";
} elsif ($ipercent > $opt_w) {
$state = $ERRORS{'CRITCAL'};
$answer = "CRITICAL: $ipercent percent inodes free on $opt_f\n";
} elsif ($ipercent < $opt_w) {
$state = $ERRORS{'OK'};
$answer = "OK: $ipercent percent inodes free on $opt_f\n";
}
}
close(DF);
print "$answer";
exit $state;
sub print_usage () {
print "Usage: $PROGNAME <filesystem> [-w <warn>] [-c <crit>]\n";
print "Example: $PROGNAME /dev/ad0s1a -w 50 -c 75\n";
}
sub print_help () {
print_revision($PROGNAME,'$Revision: 72 $');
print "Copyright (c) 2002 Andrew Ryder\n";
print "\n";
print_usage();
print "\n";
print "<warn> = Inode Percent at which a warning message is returned. Defaults to 50.\n";
print "<crit> = Inode Percent at which a critical message is returned..\n Defaults to 75.\n\n";
support();
}
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