From 6f148b7cb6f1d429af46c6169890c930c0049cd2 Mon Sep 17 00:00:00 2001
From: Rodolphe Quiedeville <unknown@munin-monitoring.org>
Date: Wed, 17 Jan 2007 10:27:17 +0100
Subject: [PATCH] Initial version

---
 plugins/other/mysql_qcache | 123 +++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100755 plugins/other/mysql_qcache

diff --git a/plugins/other/mysql_qcache b/plugins/other/mysql_qcache
new file mode 100755
index 00000000..b0744369
--- /dev/null
+++ b/plugins/other/mysql_qcache
@@ -0,0 +1,123 @@
+#!/usr/bin/perl
+#
+# Copyright (C) 2006 - Rodolphe Quiedeville <rodolphe@quiedeville.org>
+# Copyright (C) 2003-2004 - Andreas Buer
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2 dated June,
+# 1991.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+# $Log$
+# Revision 1.0  2006/04/26 16:04:01  rodo
+# Created by Rodolphe Quiedeville
+#
+# Parameters:
+#
+#   config
+#   autoconf
+#
+# Configuration variables
+#
+#   mysqlopts     - Options to pass to mysql
+#   mysqladmin    - Override location of mysqladmin
+#
+#%# family=auto
+#%# capabilities=autoconf
+
+use strict;
+
+my $MYSQLADMIN = $ENV{mysqladmin} || "mysqladmin";
+my $COMMAND    =      "$MYSQLADMIN $ENV{mysqlopts} extended-status";
+
+my %WANTED = ( "Qcache_queries_in_cache" => "queries");
+
+my %WANTEDTYPE = ( "Qcache_queries_in_cache" => "GAUGE");
+
+my $arg = shift();
+
+if ($arg eq 'config') {
+    print_config();
+    exit();
+} elsif ($arg eq 'autoconf') {
+    unless (test_service() ) {
+        print "yes\n";
+    } else {
+        print "no\n";
+    }
+    exit;
+}
+
+
+open(SERVICE, "$COMMAND |")
+  or die("Coult not execute '$COMMAND': $!");
+
+while (<SERVICE>) {
+    my ($k, $v) = (m/(\w+).*?(\d+(?:\.\d+)?)/);
+    next unless ($k);
+    if (exists $WANTED{$k} ) {
+	print("$WANTED{$k}.value $v\n");
+    }
+}
+
+close(SERVICE);
+
+
+sub print_config {
+
+    my $num = 0;
+
+    print('graph_title MySQL Queries in cache
+graph_args --base 1000
+graph_vlabel queries
+graph_category mysql
+graph_info Plugin available at <a href="http://rodolphe.quiedeville.org/hack/munin/">http://rodolphe.quiedeville.org/hack/munin/</a>
+');
+
+    for my $key (keys %WANTED) {
+        my $title = $WANTED{$key};
+        print("$title.label ${title}\n",
+              "$title.min 0\n",
+              "$title.type ".$WANTEDTYPE{$key}."\n",
+              "$title.max 500000\n",
+              "$title.draw ", ($num) ? "STACK" : "AREA" ,  "\n",
+             );
+        $num++;
+    }
+    
+}
+
+
+sub test_service {
+
+    my $return = 1;
+
+    system ("$MYSQLADMIN --version >/dev/null 2>/dev/null");
+    if ($? == 0)
+    {
+	system ("$COMMAND >/dev/null 2>/dev/null");
+	if ($? == 0)
+	{
+	    print "yes\n";
+	    $return = 0;
+	}
+	else
+	{
+	    print "no (could not connect to mysql)\n";
+	}
+    }
+    else
+    {
+	print "no (mysqladmin not found)\n";
+    }
+    exit $return;
+}