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+====== [HOWTO] Serverstats ======
+====== Descripción ======
+Como poner a trabajar la herramienta [[http://serverstats.berlios.de|serverstats]]
+====== Plugins adicionales ======
+===== diskinfo =====
+He modificado el plugin ya que tenía alguna función deprecated en php y fallaba al situar los parámetros devueltos por "''df''"
+==== Instalación ====
+  * Copiar el php del plugin a ''sources/''
+  * Editar el fichero ''config/sources.php'' y añadir la linea:
+<code php>$config['diskinfo']['module'] = new diskinfo('/dev/mapper/partition'); </code>
+  * Editar el fichero ''config/graph.php'' y añadir:
+    * Para una gráfica porcentual:
+<code php>$config['list'][] = array(
+        'title' => '% /partition',
+        'upperLimit' => 100,
+        'lowerLimit' => 0,
+        'altAutoscaleMax' => true,
+        'content' => array(
+                array(
+                        'type' => 'AREA',
+                        'source' => 'diskinfo',
+                        'ds' => 'usedpercentage',
+                        'cf' => 'AVERAGE',
+                        'legend' => '%',
+                        'color' => 'FF0000'
+                )
+        )
+);
+</code>
+    * Para una gráfica con datos reales:
+<code php>
+$config['list'][] = array(
+        'title' => 'Disk Usage /partition',
+        'lowerLimit' => 0,
+        'altAutoscaleMax' => true,
+        'content' => array(
+                array(
+                        'type' => 'AREA',
+                        'source' => 'diskinfo',
+                        'ds' => 'freediskspace',
+                        'cf' => 'AVERAGE',
+                        'legend' => 'Free Disk',
+                        'color' => 'FF0000'
+                ),
+                array(
+                        'type' => 'AREA',
+                        'source' => 'diskinfo',
+                        'ds' => 'availablediskspace',
+                        'cf' => 'AVERAGE',
+                        'legend' => 'Total Diskspace',
+                        'color' => 'FFFF00'
+                )
+        )
+);
+</code>
+graph.php
+simple.php
+==== Codigo ====
+<file php diskinfo.php>
+<?php
+/**
+ *
+ * Author: Jannis Leidel, jl@concetto.net
+ * Modified by: dodger, dodger@ciberterminal.net
+ * Project: Serverstats, http://serverstats.berlios.de/
+ * License: GPL v2 or later (http://www.gnu.org/copyleft/gpl.html)
+ *
+ * Copyright (C) 2006 Jannis Leidel
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+class diskinfo extends source implements source_rrd
+{
+        private $disk;
+        private $freespace;
+        private $usedspace;
+        private $percentage;
+        private $availablespace;
+        public function __construct($disk = '/dev/mapper/partition')
+        {
+                $this->disk = $disk;
+        }
+        public function refreshData()
+        {
+                $return = 0;
+                $datarows = array();
+                exec("df -m ".$this->disk." | grep -v Filesystem| tail -1 | awk '{printf int($1)\"::\"int($2)\"::\"int($3)\"::\"int($4)}'", $datarows, $return);
+//              exec("df -m ".$this->disk." | grep -v Filesystem| tail -1 | awk '{printf int($2)::int($3)::int($4)::int($5)}'", $datarows, $return);
+                if ($return !== 0)
+                {
+                        throw new Exception('Could not read from "' . $this->disk . '"');
+                }
+                $cmdoutput = implode(' ', $datarows);
+                $parts = explode("::",$cmdoutput);
+                foreach ($parts as $key => $part) {
+                        //$parts[$key] = ereg_replace("[^0-9]", "", $part);
+                        $parts[$key] = preg_replace('[^0-9]', '', $part);
+//                      printf("$parts[$key]\n");
+                }
+                $this->availablespace = $parts[0]/1024;
+                $this->usedspace = $parts[1]/1024;
+                $this->freespace = $parts[2]/1024;
+                $this->percentage = $parts[3];
+        }
+        public function initRRD(rrd $rrd)
+        {
+                $rrd->addDatasource('availablediskspace', 'GAUGE', null, 0);
+                $rrd->addDatasource('freediskspace', 'GAUGE', null, 0);
+                $rrd->addDatasource('useddiskspace', 'GAUGE', null, 0);
+                $rrd->addDatasource('usedpercentage', 'GAUGE', null, 0);
+        }
+        public function fetchValues()
+        {
+                $values = array();
+                $values['availablediskspace'] = $this->availablespace;
+                $values['useddiskspace'] = $this->usedspace;
+                $values['freediskspace'] = $this->freespace;
+                $values['usedpercentage'] = $this->percentage;
+                return $values;
+        }
+}
+?>
+</file>