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-rwxr-xr-xcontrib/check_sybase63
1 files changed, 49 insertions, 14 deletions
diff --git a/contrib/check_sybase b/contrib/check_sybase
index 1f1cbf88..74cf17a4 100755
--- a/contrib/check_sybase
+++ b/contrib/check_sybase
@@ -1,22 +1,27 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
# check_sybase
# A nagios plugin that connects to a Sybase database and checks free space.
#
-# Copyright 2004 Simon Bellwood, NetMan Network Management and IT Services GmbH
+# Copyright 2004-2005 Simon Bellwood, NetMan Network Management and IT
+# Services GmbH
# Portions Copyright 2001 Michael Peppler.
# License: GPL
#
-# Bugs and feedback to simon.bellwood@nospam.net-man.at
+# Bugs and feedback to simon.bellwood@NOSPAM.net-man.at
# Latest version available from:
# http://www.net-man.at/software/check_sybase-LATEST.zip
#
# Revision history:
# 0.1 01-OCT-2004 Initial version.
# 0.2 08-NOV-2004 Initial release.
-# 0.3 13-JAN-2004 Fixed lib path, improved timeouts.
-# 0.4 26-JAN-2004 Added loginTimeout.
-my $VERSION = "0.4";
-
+# 0.3 13-JAN-2005 Fixed lib path, improved timeouts.
+# 0.4 26-JAN-2005 Added loginTimeout.
+# 0.5 04-FEB-2005 Fixed dates in history. Oops.
+# 0.6 29-MAR-2005 Added --explain option.
+# 0.7 08-APR-2005 Added initial performance data support.
+my $VERSION = "0.7";
+
+#use warnings;
use strict;
use DBI;
use Getopt::Long;
@@ -30,8 +35,8 @@ my $DEFAULT_WARNING = "25";
my $DEFAULT_CRITICAL = "10";
my $DEFAULT_TIMEOUT = "30";
-my ($user, $pass, $dbsvr, $dbname, $config, $checktype, $warn, $crit, $timeout,
- $help, $version);
+my ($user, $pass, $dbsvr, $dbname, $config, $checktype, $explain,
+ $warn, $crit, $timeout, $help, $version);
my $options_okay = GetOptions(
"U|user=s" => \$user,
@@ -40,6 +45,7 @@ my $options_okay = GetOptions(
"D|dbname=s" => \$dbname,
"config=s" => \$config,
"checktype=s" => \$checktype,
+ "explain" => \$explain,
"w|warning=i" => \$warn,
"c|critical=i" => \$crit,
"t|timeout=i" => \$timeout,
@@ -127,6 +133,7 @@ sub check_space
&connect;
# Most of this sub based on Michael Peppler's check-space.pl
+ # For debugging purposes, more values are collected than needed.
$dbh->{syb_do_proc_status} = 1;
@@ -148,6 +155,7 @@ sub check_space
}
else
{
+ # Reserved, data, index, unused
foreach (@$d)
{
s/\D//g;
@@ -157,10 +165,17 @@ sub check_space
$dbinfo->{reserved} = $d->[0] / 1024;
$dbinfo->{data} = $d->[1] / 1024;
$dbinfo->{index} = $d->[2] / 1024;
+ $dbinfo->{unused} = $d->[3] / 1024;
}
}
} while($sth->{syb_more_results});
+ &explain("db size: ".$dbinfo->{size});
+ &explain("reserved: ".$dbinfo->{reserved});
+ &explain(" data: ".$dbinfo->{data});
+ &explain(" index: ".$dbinfo->{index});
+ &explain(" unused: ".$dbinfo->{unused});
+
# Get the actual device usage from sp_helpdb to get the free log space
$sth = $dbh->prepare("sp_helpdb $dbname")
or &nunk("Failed to call sp_helpdb $dbname on '$dbsvr'");
@@ -186,27 +201,38 @@ sub check_space
}
} while($sth->{syb_more_results});
+ &explain("log: ".$dbinfo->{log});
+ &explain("logfree: ".$dbinfo->{logfree});
+
# Subtract the log size from the database size
- $dbinfo->{size} -= $dbinfo->{log};
+ $dbinfo->{realsize} = $dbinfo->{size} - $dbinfo->{log};
+ &explain("realsize (i.e. size - log) = ".$dbinfo->{realsize});
# The "reserved" space is free for use by the table that freed it, so
# it is not truly free space. To be safe, our calculation ignores it.
- my $free = ($dbinfo->{size} - $dbinfo->{reserved}) / $dbinfo->{size};
+ my $free = ($dbinfo->{realsize} - $dbinfo->{reserved})/$dbinfo->{realsize};
$free = sprintf("%.2f", $free*100);
+ &explain("(realsize-reserved)/realsize = $free%");
+ &explain("For safety, this calculation assumes no log space reuse. ".
+ "Because of this, you may get negative values.");
+
if ($free < $crit)
{
- &ncrit("Free space is $free%! (critical threshold is $crit%)");
+ &ncrit("Free space is $free%! (critical threshold is $crit%)".
+ "|free_space=$free%");
}
if ($free < $warn)
{
- &nwarn("Free space is $free%! (warning threshold is $warn%)");
+ &nwarn("Free space is $free%! (warning threshold is $warn%)".
+ "|free_space=$free%");
}
- &nok("Free space within thresholds ($free% free)");
+ &nok("Free space within thresholds ($free% free)".
+ "|free_space=$free%");
}
sub read_config
@@ -261,6 +287,7 @@ Mandatory arguments to long options are mandatory for short options too.
-D, --dbname Database name to check.
--config=FILE Config file (see SECURITY below)
--checktype=TYPE Type of check to run (see TYPEs below)
+ --explain Explains how we calculated the free space.
-w, --warning Warning threshold, in percent (default 25)
-c, --critical Critical threshold, in percent (default 10)
-t, --timeout Timeout value, in seconds (default 30)
@@ -290,6 +317,14 @@ _HELP_
}
+sub explain
+{
+ return unless $explain;
+
+ my $msg = shift;
+ print "$msg\n";
+}
+
# Some wrappers..