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<?php
/*
* Copyright 2010-2011 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
/**
*
* This is the <i>Amazon Elastic MapReduce API Reference</i>. This guide provides descriptions and samples of the Amazon Elastic MapReduce
* APIs.
*
* Amazon Elastic MapReduce is a web service that makes it easy to process large amounts of data efficiently. Elastic MapReduce uses Hadoop
* processing combined with several AWS products to do tasks such as web indexing, data mining, log file analysis, machine learning, scientific
* simulation, and data warehousing.
*
* @version Tue Aug 23 12:49:06 PDT 2011
* @license See the included NOTICE.md file for complete information.
* @copyright See the included NOTICE.md file for complete information.
* @link http://aws.amazon.com/elasticmapreduce/Amazon Elastic MapReduce
* @link http://aws.amazon.com/documentation/elasticmapreduce/Amazon Elastic MapReduce documentation
*/
class AmazonEMR extends CFRuntime
{
/*%******************************************************************************************%*/
// CLASS CONSTANTS
/**
* Specify the default queue URL.
*/
const DEFAULT_URL = 'us-east-1.elasticmapreduce.amazonaws.com';
/**
* Specify the queue URL for the US-East (Northern Virginia) Region.
*/
const REGION_US_E1 = self::DEFAULT_URL;
/**
* Specify the queue URL for the US-West (Northern California) Region.
*/
const REGION_US_W1 = 'us-west-1.elasticmapreduce.amazonaws.com';
/**
* Specify the queue URL for the EU (Ireland) Region.
*/
const REGION_EU_W1 = 'eu-west-1.elasticmapreduce.amazonaws.com';
/**
* Specify the queue URL for the Asia Pacific (Singapore) Region.
*/
const REGION_APAC_SE1 = 'ap-southeast-1.elasticmapreduce.amazonaws.com';
/**
* Specify the queue URL for the Asia Pacific (Japan) Region.
*/
const REGION_APAC_NE1 = 'ap-northeast-1.elasticmapreduce.amazonaws.com';
/*%******************************************************************************************%*/
// SETTERS
/**
* This allows you to explicitly sets the region for the service to use.
*
* @param string $region (Required) The region to explicitly set. Available options are <REGION_US_E1>, <REGION_US_W1>, <REGION_EU_W1>, or <REGION_APAC_SE1>.
* @return $this A reference to the current instance.
*/
public function set_region($region)
{
$this->set_hostname($region);
return $this;
}
/*%******************************************************************************************%*/
// CONSTRUCTOR
/**
* Constructs a new instance of <AmazonEMR>.
*
* @param string $key (Optional) Your Amazon API Key. If blank, it will look for the <code>AWS_KEY</code> constant.
* @param string $secret_key (Optional) Your Amazon API Secret Key. If blank, it will look for the <code>AWS_SECRET_KEY</code> constant.
* @return boolean false if no valid values are set, otherwise true.
*/
public function __construct($key = null, $secret_key = null)
{
$this->api_version = '2009-03-31';
$this->hostname = self::DEFAULT_URL;
if (!$key && !defined('AWS_KEY'))
{
// @codeCoverageIgnoreStart
throw new EMR_Exception('No account key was passed into the constructor, nor was it set in the AWS_KEY constant.');
// @codeCoverageIgnoreEnd
}
if (!$secret_key && !defined('AWS_SECRET_KEY'))
{
// @codeCoverageIgnoreStart
throw new EMR_Exception('No account secret was passed into the constructor, nor was it set in the AWS_SECRET_KEY constant.');
// @codeCoverageIgnoreEnd
}
return parent::__construct($key, $secret_key);
}
/*%******************************************************************************************%*/
// SERVICE METHODS
/**
*
* AddInstanceGroups adds an instance group to a running cluster.
*
* @param array $instance_groups (Required) Instance Groups to add. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Name</code> - <code>string</code> - Optional - Friendly name given to the instance group. </li>
* <li><code>Market</code> - <code>string</code> - Optional - Market type of the Amazon EC2 instances used to create a cluster node. [Allowed values: <code>ON_DEMAND</code>, <code>SPOT</code>]</li>
* <li><code>InstanceRole</code> - <code>string</code> - Required - The role of the instance group in the cluster. [Allowed values: <code>MASTER</code>, <code>CORE</code>, <code>TASK</code>]</li>
* <li><code>BidPrice</code> - <code>string</code> - Optional - Bid price for each Amazon EC2 instance in the instance group when launching nodes as Spot Instances, expressed in USD. </li>
* <li><code>InstanceType</code> - <code>string</code> - Required - The Amazon EC2 instance type for all instances in the instance group. </li>
* <li><code>InstanceCount</code> - <code>integer</code> - Required - Target number of instances for the instance group. </li>
* </ul></li>
* </ul>
* @param string $job_flow_id (Required) Job flow in which to add the instance groups.
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function add_instance_groups($instance_groups, $job_flow_id, $opt = null)
{
if (!$opt) $opt = array();
// Required parameter
$opt = array_merge($opt, CFComplexType::map(array(
'InstanceGroups' => (is_array($instance_groups) ? $instance_groups : array($instance_groups))
), 'member'));
$opt['JobFlowId'] = $job_flow_id;
return $this->authenticate('AddInstanceGroups', $opt, $this->hostname);
}
/**
*
* AddJobFlowSteps adds new steps to a running job flow. A maximum of 256 steps are allowed in each job flow.
*
* If your job flow is long-running (such as a Hive data warehouse) or complex, you may require more than 256 steps to process your data. You
* can bypass the 256-step limitation in various ways, including using the SSH shell to connect to the master node and submitting queries
* directly to the software running on the master node, such as Hive and Hadoop. For more information on how to do this, go to <a
* href="http://docs.amazonwebservices.com/ElasticMapReduce/latest/DeveloperGuide/AddMoreThan256Steps.html">Add More than 256 Steps to a Job
* Flow</a> in the <i>Amazon Elastic MapReduce Developer's Guide</i>.
*
* A step specifies the location of a JAR file stored either on the master node of the job flow or in Amazon S3. Each step is performed by the
* main function of the main class of the JAR file. The main class can be specified either in the manifest of the JAR or by using the
* MainFunction parameter of the step.
*
* Elastic MapReduce executes each step in the order listed. For a step to be considered complete, the main function must exit with a zero
* exit code and all Hadoop jobs started while the step was running must have completed and run successfully.
*
* You can only add steps to a job flow that is in one of the following states: STARTING, BOOTSTRAPPING, RUNNING, or WAITING.
*
* @param string $job_flow_id (Required) A string that uniquely identifies the job flow. This identifier is returned by RunJobFlow and can also be obtained from DescribeJobFlows.
* @param array $steps (Required) A list of StepConfig to be executed by the job flow. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Name</code> - <code>string</code> - Required - The name of the job flow step. </li>
* <li><code>ActionOnFailure</code> - <code>string</code> - Optional - Specifies the action to take if the job flow step fails. [Allowed values: <code>TERMINATE_JOB_FLOW</code>, <code>CANCEL_AND_WAIT</code>, <code>CONTINUE</code>]</li>
* <li><code>HadoopJarStep</code> - <code>array</code> - Required - Specifies the JAR file used for the job flow step. Takes an associative array of parameters that can have the following keys: <ul>
* <li><code>Properties</code> - <code>array</code> - Optional - A list of Java properties that are set when the step runs. You can use these properties to pass key value pairs to your main function. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Key</code> - <code>string</code> - Optional - The unique identifier of a key value pair. </li>
* <li><code>Value</code> - <code>string</code> - Optional - The value part of the identified key. </li>
* </ul></li>
* </ul></li>
* <li><code>Jar</code> - <code>string</code> - Required - A path to a JAR file run during the step. </li>
* <li><code>MainClass</code> - <code>string</code> - Optional - The name of the main class in the specified Java file. If not specified, the JAR file should specify a Main-Class in its manifest file. </li>
* <li><code>Args</code> - <code>string|array</code> - Optional - A list of command line arguments passed to the JAR file's main function when executed. Pass a string for a single value, or an indexed array for multiple values. </li>
* </ul></li>
* </ul></li>
* </ul>
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function add_job_flow_steps($job_flow_id, $steps, $opt = null)
{
if (!$opt) $opt = array();
$opt['JobFlowId'] = $job_flow_id;
// Required parameter
$opt = array_merge($opt, CFComplexType::map(array(
'Steps' => (is_array($steps) ? $steps : array($steps))
), 'member'));
return $this->authenticate('AddJobFlowSteps', $opt, $this->hostname);
}
/**
*
* TerminateJobFlows shuts a list of job flows down. When a job flow is shut down, any step not yet completed is canceled and the EC2
* instances on which the job flow is running are stopped. Any log files not already saved are uploaded to Amazon S3 if a LogUri was specified
* when the job flow was created.
*
* @param string|array $job_flow_ids (Required) A list of job flows to be shutdown. Pass a string for a single value, or an indexed array for multiple values.
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function terminate_job_flows($job_flow_ids, $opt = null)
{
if (!$opt) $opt = array();
// Required parameter
$opt = array_merge($opt, CFComplexType::map(array(
'JobFlowIds' => (is_array($job_flow_ids) ? $job_flow_ids : array($job_flow_ids))
), 'member'));
return $this->authenticate('TerminateJobFlows', $opt, $this->hostname);
}
/**
*
* DescribeJobFlows returns a list of job flows that match all of the supplied parameters. The parameters can include a list of job flow IDs,
* job flow states, and restrictions on job flow creation date and time.
*
* Regardless of supplied parameters, only job flows created within the last two months are returned.
*
* If no parameters are supplied, then job flows matching either of the following criteria are returned:
*
* <ul> <li>Job flows created and completed in the last two weeks</li>
*
* <li> Job flows created within the last two months that are in one of the following states: <code>RUNNING</code>, <code>WAITING</code>,
* <code>SHUTTING_DOWN</code>, <code>STARTING</code> </li>
*
* </ul>
*
* Amazon Elastic MapReduce can return a maximum of 512 job flow descriptions.
*
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>CreatedAfter</code> - <code>string</code> - Optional - Return only job flows created after this date and time. May be passed as a number of seconds since UNIX Epoch, or any string compatible with <php:strtotime()>.</li>
* <li><code>CreatedBefore</code> - <code>string</code> - Optional - Return only job flows created before this date and time. May be passed as a number of seconds since UNIX Epoch, or any string compatible with <php:strtotime()>.</li>
* <li><code>JobFlowIds</code> - <code>string|array</code> - Optional - Return only job flows whose job flow ID is contained in this list. Pass a string for a single value, or an indexed array for multiple values. </li>
* <li><code>JobFlowStates</code> - <code>string|array</code> - Optional - Return only job flows whose state is contained in this list. Pass a string for a single value, or an indexed array for multiple values. </li>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function describe_job_flows($opt = null)
{
if (!$opt) $opt = array();
// Optional parameter
if (isset($opt['CreatedAfter']))
{
$opt['CreatedAfter'] = $this->util->convert_date_to_iso8601($opt['CreatedAfter']);
}
// Optional parameter
if (isset($opt['CreatedBefore']))
{
$opt['CreatedBefore'] = $this->util->convert_date_to_iso8601($opt['CreatedBefore']);
}
// Optional parameter
if (isset($opt['JobFlowIds']))
{
$opt = array_merge($opt, CFComplexType::map(array(
'JobFlowIds' => (is_array($opt['JobFlowIds']) ? $opt['JobFlowIds'] : array($opt['JobFlowIds']))
), 'member'));
unset($opt['JobFlowIds']);
}
// Optional parameter
if (isset($opt['JobFlowStates']))
{
$opt = array_merge($opt, CFComplexType::map(array(
'JobFlowStates' => (is_array($opt['JobFlowStates']) ? $opt['JobFlowStates'] : array($opt['JobFlowStates']))
), 'member'));
unset($opt['JobFlowStates']);
}
return $this->authenticate('DescribeJobFlows', $opt, $this->hostname);
}
/**
*
* SetTerminationProtection locks a job flow so the Amazon EC2 instances in the cluster cannot be terminated by user intervention, an API
* call, or in the event of a job-flow error. The cluster still terminates upon successful completion of the job flow. Calling
* SetTerminationProtection on a job flow is analogous to calling the Amazon EC2 DisableAPITermination API on all of the EC2 instances in a
* cluster.
*
* SetTerminationProtection is used to prevent accidental termination of a job flow and to ensure that in the event of an error, the instances
* will persist so you can recover any data stored in their ephemeral instance storage.
*
* To terminate a job flow that has been locked by setting SetTerminationProtection to <code>true</code>, you must first unlock the job flow
* by a subsequent call to SetTerminationProtection in which you set the value to <code>false</code>.
*
* For more information, go to <a
* href="http://docs.amazonwebservices.com/ElasticMapReduce/latest/DeveloperGuide/UsingEMR_TerminationProtection.html">Protecting a Job Flow
* from Termination</a> in the <i>Amazon Elastic MapReduce Developer's Guide.</i>
*
* @param string|array $job_flow_ids (Required) A list of strings that uniquely identify the job flows to protect. This identifier is returned by RunJobFlow and can also be obtained from DescribeJobFlows . Pass a string for a single value, or an indexed array for multiple values.
* @param boolean $termination_protected (Required) A Boolean that indicates whether to protect the job flow and prevent the Amazon EC2 instances in the cluster from shutting down due to API calls, user intervention, or job-flow error.
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function set_termination_protection($job_flow_ids, $termination_protected, $opt = null)
{
if (!$opt) $opt = array();
// Required parameter
$opt = array_merge($opt, CFComplexType::map(array(
'JobFlowIds' => (is_array($job_flow_ids) ? $job_flow_ids : array($job_flow_ids))
), 'member'));
$opt['TerminationProtected'] = $termination_protected;
return $this->authenticate('SetTerminationProtection', $opt, $this->hostname);
}
/**
*
* RunJobFlow creates and starts running a new job flow. The job flow will run the steps specified. Once the job flow completes, the cluster
* is stopped and the HDFS partition is lost. To prevent loss of data, configure the last step of the job flow to store results in Amazon S3.
* If the JobFlowInstancesDetail <code>KeepJobFlowAliveWhenNoSteps</code> parameter is set to <code>TRUE</code>, the job flow will transition
* to the WAITING state rather than shutting down once the steps have completed.
*
* For additional protection, you can set the JobFlowInstancesDetail <code>TerminationProtected</code> parameter to <code>TRUE</code> to lock
* the job flow and prevent it from being terminated by API call, user intervention, or in the event of a job flow error.
*
* A maximum of 256 steps are allowed in each job flow.
*
* If your job flow is long-running (such as a Hive data warehouse) or complex, you may require more than 256 steps to process your data. You
* can bypass the 256-step limitation in various ways, including using the SSH shell to connect to the master node and submitting queries
* directly to the software running on the master node, such as Hive and Hadoop. For more information on how to do this, go to <a
* href="http://docs.amazonwebservices.com/ElasticMapReduce/latest/DeveloperGuide/AddMoreThan256Steps.html">Add More than 256 Steps to a Job
* Flow</a> in the <i>Amazon Elastic MapReduce Developer's Guide</i>.
*
* For long running job flows, we recommend that you periodically store your results.
*
* @param string $name (Required) The name of the job flow.
* @param array $instances (Required) A specification of the number and type of Amazon EC2 instances on which to run the job flow. <ul>
* <li><code>MasterInstanceType</code> - <code>string</code> - Optional - The EC2 instance type of the master node. </li>
* <li><code>SlaveInstanceType</code> - <code>string</code> - Optional - The EC2 instance type of the slave nodes. </li>
* <li><code>InstanceCount</code> - <code>integer</code> - Optional - The number of Amazon EC2 instances used to execute the job flow. </li>
* <li><code>InstanceGroups</code> - <code>array</code> - Optional - Configuration for the job flow's instance groups. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Name</code> - <code>string</code> - Optional - Friendly name given to the instance group. </li>
* <li><code>Market</code> - <code>string</code> - Optional - Market type of the Amazon EC2 instances used to create a cluster node. [Allowed values: <code>ON_DEMAND</code>, <code>SPOT</code>]</li>
* <li><code>InstanceRole</code> - <code>string</code> - Required - The role of the instance group in the cluster. [Allowed values: <code>MASTER</code>, <code>CORE</code>, <code>TASK</code>]</li>
* <li><code>BidPrice</code> - <code>string</code> - Optional - Bid price for each Amazon EC2 instance in the instance group when launching nodes as Spot Instances, expressed in USD. </li>
* <li><code>InstanceType</code> - <code>string</code> - Required - The Amazon EC2 instance type for all instances in the instance group. </li>
* <li><code>InstanceCount</code> - <code>integer</code> - Required - Target number of instances for the instance group. </li>
* </ul></li>
* </ul></li>
* <li><code>Ec2KeyName</code> - <code>string</code> - Optional - Specifies the name of the Amazon EC2 key pair that can be used to ssh to the master node as the user called "hadoop." </li>
* <li><code>Placement</code> - <code>array</code> - Optional - Specifies the Availability Zone the job flow will run in. Takes an associative array of parameters that can have the following keys: <ul>
* <li><code>AvailabilityZone</code> - <code>string</code> - Required - The Amazon EC2 Availability Zone for the job flow. </li>
* </ul></li>
* <li><code>KeepJobFlowAliveWhenNoSteps</code> - <code>boolean</code> - Optional - Specifies whether the job flow should terminate after completing all steps. </li>
* <li><code>TerminationProtected</code> - <code>boolean</code> - Optional - Specifies whether to lock the job flow to prevent the Amazon EC2 instances from being terminated by API call, user intervention, or in the event of a job flow error. </li>
* <li><code>HadoopVersion</code> - <code>string</code> - Optional - Specifies the Hadoop version for the job flow. Valid inputs are "0.18" or "0.20". </li>
* </ul>
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>LogUri</code> - <code>string</code> - Optional - Specifies the location in Amazon S3 to write the log files of the job flow. If a value is not provided, logs are not created. </li>
* <li><code>AdditionalInfo</code> - <code>string</code> - Optional - A JSON string for selecting additional features. </li>
* <li><code>Steps</code> - <code>array</code> - Optional - A list of steps to be executed by the job flow. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Name</code> - <code>string</code> - Required - The name of the job flow step. </li>
* <li><code>ActionOnFailure</code> - <code>string</code> - Optional - Specifies the action to take if the job flow step fails. [Allowed values: <code>TERMINATE_JOB_FLOW</code>, <code>CANCEL_AND_WAIT</code>, <code>CONTINUE</code>]</li>
* <li><code>HadoopJarStep</code> - <code>array</code> - Required - Specifies the JAR file used for the job flow step. Takes an associative array of parameters that can have the following keys: <ul>
* <li><code>Properties</code> - <code>array</code> - Optional - A list of Java properties that are set when the step runs. You can use these properties to pass key value pairs to your main function. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Key</code> - <code>string</code> - Optional - The unique identifier of a key value pair. </li>
* <li><code>Value</code> - <code>string</code> - Optional - The value part of the identified key. </li>
* </ul></li>
* </ul></li>
* <li><code>Jar</code> - <code>string</code> - Required - A path to a JAR file run during the step. </li>
* <li><code>MainClass</code> - <code>string</code> - Optional - The name of the main class in the specified Java file. If not specified, the JAR file should specify a Main-Class in its manifest file. </li>
* <li><code>Args</code> - <code>string|array</code> - Optional - A list of command line arguments passed to the JAR file's main function when executed. Pass a string for a single value, or an indexed array for multiple values. </li>
* </ul></li>
* </ul></li>
* </ul></li>
* <li><code>BootstrapActions</code> - <code>array</code> - Optional - A list of bootstrap actions that will be run before Hadoop is started on the cluster nodes. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>Name</code> - <code>string</code> - Required - The name of the bootstrap action. </li>
* <li><code>ScriptBootstrapAction</code> - <code>array</code> - Required - The script run by the bootstrap action. Takes an associative array of parameters that can have the following keys: <ul>
* <li><code>Path</code> - <code>string</code> - Required - Location of the script to run during a bootstrap action. Can be either a location in Amazon S3 or on a local file system. </li>
* <li><code>Args</code> - <code>string|array</code> - Optional - A list of command line arguments to pass to the bootstrap action script. Pass a string for a single value, or an indexed array for multiple values. </li>
* </ul></li>
* </ul></li>
* </ul></li>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function run_job_flow($name, $instances, $opt = null)
{
if (!$opt) $opt = array();
$opt['Name'] = $name;
// Collapse these list values for the required parameter
if (isset($instances['InstanceGroups']))
{
$instances['InstanceGroups'] = CFComplexType::map(array(
'member' => (is_array($instances['InstanceGroups']) ? $instances['InstanceGroups'] : array($instances['InstanceGroups']))
));
}
// Required parameter
$opt = array_merge($opt, CFComplexType::map(array(
'Instances' => (is_array($instances) ? $instances : array($instances))
), 'member'));
// Optional parameter
if (isset($opt['Steps']))
{
$opt = array_merge($opt, CFComplexType::map(array(
'Steps' => $opt['Steps']
), 'member'));
unset($opt['Steps']);
}
// Optional parameter
if (isset($opt['BootstrapActions']))
{
$opt = array_merge($opt, CFComplexType::map(array(
'BootstrapActions' => $opt['BootstrapActions']
), 'member'));
unset($opt['BootstrapActions']);
}
return $this->authenticate('RunJobFlow', $opt, $this->hostname);
}
/**
*
* ModifyInstanceGroups modifies the number of nodes and configuration settings of an instance group. The input parameters include the new
* target instance count for the group and the instance group ID. The call will either succeed or fail atomically.
*
* @param array $opt (Optional) An associative array of parameters that can have the following keys: <ul>
* <li><code>InstanceGroups</code> - <code>array</code> - Optional - Instance groups to change. <ul>
* <li><code>x</code> - <code>array</code> - This represents a simple array index. <ul>
* <li><code>InstanceGroupId</code> - <code>string</code> - Required - Unique ID of the instance group to expand or shrink. </li>
* <li><code>InstanceCount</code> - <code>integer</code> - Required - Target size for the instance group. </li>
* </ul></li>
* </ul></li>
* <li><code>curlopts</code> - <code>array</code> - Optional - A set of values to pass directly into <code>curl_setopt()</code>, where the key is a pre-defined <code>CURLOPT_*</code> constant.</li>
* <li><code>returnCurlHandle</code> - <code>boolean</code> - Optional - A private toggle specifying that the cURL handle be returned rather than actually completing the request. This toggle is useful for manually managed batch requests.</li></ul>
* @return CFResponse A <CFResponse> object containing a parsed HTTP response.
*/
public function modify_instance_groups($opt = null)
{
if (!$opt) $opt = array();
// Optional parameter
if (isset($opt['InstanceGroups']))
{
$opt = array_merge($opt, CFComplexType::map(array(
'InstanceGroups' => $opt['InstanceGroups']
), 'member'));
unset($opt['InstanceGroups']);
}
return $this->authenticate('ModifyInstanceGroups', $opt, $this->hostname);
}
}
/*%******************************************************************************************%*/
// EXCEPTIONS
/**
* Default EMR Exception.
*/
class EMR_Exception extends Exception {}