diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Service/Amazon/Ec2/Instance/Reserved.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Service/Amazon/Ec2/Instance/Reserved.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,143 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Service_Amazon
+ * @subpackage Ec2
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Reserved.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Service_Amazon_Ec2_Abstract
+ */
+require_once 'Zend/Service/Amazon/Ec2/Abstract.php';
+
+/**
+ * Allows you to interface with the reserved instances on Amazon Ec2
+ *
+ * @category   Zend
+ * @package    Zend_Service_Amazon
+ * @subpackage Ec2
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Service_Amazon_Ec2_Instance_Reserved extends Zend_Service_Amazon_Ec2_Abstract
+{
+    /**
+     * Describes Reserved Instances that you purchased.
+     *
+     * @param string|array $instanceId        IDs of the Reserved Instance to describe.
+     * @return array
+     */
+    public function describeInstances($instanceId)
+    {
+        $params = array();
+        $params['Action'] = 'DescribeReservedInstances';
+
+        if(is_array($instanceId) && !empty($instanceId)) {
+            foreach($instanceId as $k=>$name) {
+                $params['ReservedInstancesId.' . ($k+1)] = $name;
+            }
+        } elseif($instanceId) {
+            $params['ReservedInstancesId.1'] = $instanceId;
+        }
+
+        $response = $this->sendRequest($params);
+
+        $xpath = $response->getXPath();
+        $items = $xpath->query('//ec2:reservedInstancesSet/ec2:item');
+
+        $return = array();
+        foreach($items as $item) {
+            $i = array();
+            $i['reservedInstancesId'] = $xpath->evaluate('string(ec2:reservedInstancesId/text())', $item);
+            $i['instanceType'] = $xpath->evaluate('string(ec2:instanceType/text())', $item);
+            $i['availabilityZone'] = $xpath->evaluate('string(ec2:availabilityZone/text())', $item);
+            $i['duration'] = $xpath->evaluate('string(ec2:duration/text())', $item);
+            $i['fixedPrice'] = $xpath->evaluate('string(ec2:fixedPrice/text())', $item);
+            $i['usagePrice'] = $xpath->evaluate('string(ec2:usagePrice/text())', $item);
+            $i['productDescription'] = $xpath->evaluate('string(ec2:productDescription/text())', $item);
+            $i['instanceCount'] = $xpath->evaluate('string(ec2:instanceCount/text())', $item);
+            $i['state'] = $xpath->evaluate('string(ec2:state/text())', $item);
+
+            $return[] = $i;
+            unset($i);
+        }
+
+        return $return;
+    }
+
+    /**
+     * Describes Reserved Instance offerings that are available for purchase.
+     * With Amazon EC2 Reserved Instances, you purchase the right to launch Amazon
+     * EC2 instances for a period of time (without getting insufficient capacity
+     * errors) and pay a lower usage rate for the actual time used.
+     *
+     * @return array
+     */
+    public function describeOfferings()
+    {
+        $params = array();
+        $params['Action'] = 'DescribeReservedInstancesOfferings';
+
+        $response = $this->sendRequest($params);
+
+        $xpath = $response->getXPath();
+        $items = $xpath->query('//ec2:reservedInstancesOfferingsSet/ec2:item');
+
+        $return = array();
+        foreach($items as $item) {
+            $i = array();
+            $i['reservedInstancesOfferingId'] = $xpath->evaluate('string(ec2:reservedInstancesOfferingId/text())', $item);
+            $i['instanceType'] = $xpath->evaluate('string(ec2:instanceType/text())', $item);
+            $i['availabilityZone'] = $xpath->evaluate('string(ec2:availabilityZone/text())', $item);
+            $i['duration'] = $xpath->evaluate('string(ec2:duration/text())', $item);
+            $i['fixedPrice'] = $xpath->evaluate('string(ec2:fixedPrice/text())', $item);
+            $i['usagePrice'] = $xpath->evaluate('string(ec2:usagePrice/text())', $item);
+            $i['productDescription'] = $xpath->evaluate('string(ec2:productDescription/text())', $item);
+
+            $return[] = $i;
+            unset($i);
+        }
+
+        return $return;
+    }
+
+    /**
+     * Purchases a Reserved Instance for use with your account. With Amazon EC2
+     * Reserved Instances, you purchase the right to launch Amazon EC2 instances
+     * for a period of time (without getting insufficient capacity errors) and
+     * pay a lower usage rate for the actual time used.
+     *
+     * @param string $offeringId            The offering ID of the Reserved Instance to purchase
+     * @param integer $intanceCount         The number of Reserved Instances to purchase.
+     * @return string                       The ID of the purchased Reserved Instances.
+     */
+    public function purchaseOffering($offeringId, $intanceCount = 1)
+    {
+        $params = array();
+        $params['Action'] = 'PurchaseReservedInstancesOffering';
+        $params['OfferingId.1'] = $offeringId;
+        $params['instanceCount.1'] = intval($intanceCount);
+
+        $response = $this->sendRequest($params);
+
+        $xpath = $response->getXPath();
+        $reservedInstancesId = $xpath->evaluate('string(//ec2:reservedInstancesId/text())');
+
+        return $reservedInstancesId;
+    }
+}