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#!/usr/local/bin/perl -w
# (c)2004 John Koyle, RFP Depot, LLC.
# This is free software use it however you would like.
use strict;
use DBI;
use Getopt::Long 2.16;
use lib "/usr/local/nagios/libexec";
use utils qw(%ERRORS);
#*******************************************************************************
# Set user configureable options here.
#
# Global Oracle info set here rather than command line to avoid output in ps -ef
# Make sure this script is mode 700 and owner of the nrpe user
#
#*******************************************************************************
my $orasid = "";
my $orauser = "";
my $orapwd = "";
if (!$ENV{ORACLE_HOME}) {
$ENV{ORACLE_HOME} = '/u01/app/oracle/product/9.2';
}
#*******************************************************************************
my $state = $ERRORS{'UNKNOWN'};
my $answer = undef;
my ($MAJOR_VERSION, $MINOR_VERSION) = q$Revision: 1.2 $ =~ /(\d+)\.(\d+)/;
my $VERSION = sprintf("%d.%02d", $MAJOR_VERSION - 1, $MINOR_VERSION);
my $opt_debug; # -d|--debug
my $opt_help; # -h|--help
my $opt_version; # -V|--version
my $opt_warn_space; # -w|--warn-space
my $opt_crit_space; # -c|--crit-space
my $help = <<MARK; # help statement
check_oracle_tbs v$VERSION
Checks the tablespaces in an Oracle database for available free space.
Usage: check_oracle_tbs [-w <warn>] [-c <crit>]
-d, --debug Output debug to screen.
-h, --help Displays this help and exits.
-w, --warn-space=... Warning threshold % free (default 15)
-c, --crit-space=... Critical threshold % free (default 10)
-V, --version Output version information and exit.
MARK
## We want exact matches to the switches
Getopt::Long::config('no_auto_abbrev', 'no_ignore_case');
my $rc = GetOptions(
"debug|d" => \$opt_debug,
"help|h" => \$opt_help,
"w|warn-space=s" => \$opt_warn_space,
"c|crit-space=s" => \$opt_crit_space,
"V|version" => \$opt_version,
);
#***********************************************************************
# Process command-line switches
#***********************************************************************
if (! $rc || defined $opt_help)
{
print STDERR $help;
exit (defined $opt_help ? 0 : 1);
}
if (defined $opt_version)
{
print STDERR "check_oracle_tbs v$VERSION\n";
exit 0;
}
if (! defined $opt_warn_space)
{
if(defined $opt_debug) {
print STDOUT "Warn space not defined, using 80%\n\n";
}
$opt_warn_space = 15;
}
if (! defined $opt_crit_space)
{
if(defined $opt_debug) {
print STDOUT "Crit space not defined, using 90%\n\n";
}
$opt_crit_space = 10;
}
my $array_ref = executeSQL();
# Don't match certain tablespaces.
foreach my $row (@$array_ref) {
my ( $tbs_name, $free_mb, $tot_mb, $free_pct) = @$row;
if ($opt_debug) { print STDOUT "Output: $tbs_name\t$tot_mb\t$free_mb\t$free_pct\n\n"; }
if ($free_pct < $opt_crit_space && $tbs_name !~ /RBS/ && $tbs_name !~ /PERFSTAT/ && $tbs_name !~ /UNDOTBS/) {
$state = $ERRORS{'CRITICAL'};
$answer .= "Critical: $tbs_name = $free_pct\% ";
last;
}
if ($free_pct < $opt_warn_space && $tbs_name !~ /RBS/ && $tbs_name !~ /PERFSTAT/ && $tbs_name !~ /UNDOTBS/) {
$state = $ERRORS{'WARNING'};
$answer .= "Warning: $tbs_name = $free_pct\% ";
}
}
if ($state != $ERRORS{'CRITICAL'} && $state != $ERRORS{'WARNING'}) {
$state = $ERRORS{'OK'};
$answer = "All Tablespaces OK";
}
if ($opt_debug && $state != $ERRORS{'OK'}) { print STDOUT "The following tablespaces are in question: $answer\n\n"; }
foreach my $key (keys %ERRORS) {
if ($state==$ERRORS{$key}) {
print ("$key: $answer");
last;
}
}
exit $state;
#------------------SUBS-------------------------------------------------------
sub executeSQL
{
my ($dbh, $sth, $results);
$dbh = openOracle();
eval {
$dbh->{RaiseError} = 1;
$sth = $dbh->prepare(q{
select ts.tablespace_name,
trunc(sum(ts.free_b)/1024/1024) free,
trunc(sum(ts.max_b)/1024/1024) total,
trunc( sum(ts.free_b)/sum(ts.max_b)*1000) / 10 as pct_free
from
(select a.file_id,
a.tablespace_name,
decode(a.autoextensible,'YES',a.maxsize-a.bytes+b.free,'NO',b.free) free_b,
a.maxsize max_b
from (select file_id,
tablespace_name,
autoextensible,
bytes,
decode(autoextensible,'YES',maxbytes,bytes) maxsize
from dba_data_files) a,
(select file_id,
tablespace_name,
sum(bytes) free
from dba_free_space
group by file_id, tablespace_name) b
where a.file_id=b.file_id(+)) ts
group by tablespace_name
});
$sth->execute();
$results = $sth->fetchall_arrayref();
$sth->finish;
$dbh->{RaiseError} = 0;
};
if ($@) {
closeOracle($dbh);
if($opt_debug) { print STDOUT "DB Failed Query: $@\n"; }
CleanupAndExit($ERRORS{'UNKNOWN'});
}
closeOracle($dbh);
return $results;
}
#------ Open the connection to the database and return the handle
sub openOracle
{
my ($dbh);
$dbh = DBI->connect("$orasid", "$orauser", "$orapwd", "Oracle");
if (!$dbh) {
if ($opt_debug) { print "ERROR: Could not connect to Oracle!\n\n"; }
CleanupAndExit($ERRORS{'UNKNOWN'});
}
if ($opt_debug) { print "Connected to Oracle SID $orasid\n\n"; }
return $dbh;
}
#------- Close the database connection
sub closeOracle()
{
my ($dbh) = @_;
$dbh->disconnect;
}
#------ Exit with the current return code
sub CleanupAndExit
{
my ($rc) = @_;
exit($rc);
}
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