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<?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Reserved.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
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) 2005-2009 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;
}
}
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