Class: Aws::EMR::Client

Inherits:
Seahorse::Client::Base show all
Includes:
ClientStubs
Defined in:
gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb

Overview

An API client for EMR. To construct a client, you need to configure a :region and :credentials.

client = Aws::EMR::Client.new(
  region: region_name,
  credentials: credentials,
  # ...
)

For details on configuring region and credentials see the developer guide.

See #initialize for a full list of supported configuration options.

Instance Attribute Summary

Attributes inherited from Seahorse::Client::Base

#config, #handlers

API Operations collapse

Instance Method Summary collapse

Methods included from ClientStubs

#api_requests, #stub_data, #stub_responses

Methods inherited from Seahorse::Client::Base

add_plugin, api, clear_plugins, define, new, #operation_names, plugins, remove_plugin, set_api, set_plugins

Methods included from Seahorse::Client::HandlerBuilder

#handle, #handle_request, #handle_response

Constructor Details

#initialize(options) ⇒ Client

Returns a new instance of Client.

Parameters:

  • options (Hash)

Options Hash (options):

  • :credentials (required, Aws::CredentialProvider) —

    Your AWS credentials. This can be an instance of any one of the following classes:

    • Aws::Credentials - Used for configuring static, non-refreshing credentials.

    • Aws::InstanceProfileCredentials - Used for loading credentials from an EC2 IMDS on an EC2 instance.

    • Aws::SharedCredentials - Used for loading credentials from a shared file, such as ~/.aws/config.

    • Aws::AssumeRoleCredentials - Used when you need to assume a role.

    When :credentials are not configured directly, the following locations will be searched for credentials:

    • Aws.config[:credentials]
    • The :access_key_id, :secret_access_key, and :session_token options.
    • ENV['AWS_ACCESS_KEY_ID'], ENV['AWS_SECRET_ACCESS_KEY']
    • ~/.aws/credentials
    • ~/.aws/config
    • EC2 IMDS instance profile - When used by default, the timeouts are very aggressive. Construct and pass an instance of Aws::InstanceProfileCredentails to enable retries and extended timeouts.
  • :region (required, String) —

    The AWS region to connect to. The configured :region is used to determine the service :endpoint. When not passed, a default :region is searched for in the following locations:

    • Aws.config[:region]
    • ENV['AWS_REGION']
    • ENV['AMAZON_REGION']
    • ENV['AWS_DEFAULT_REGION']
    • ~/.aws/credentials
    • ~/.aws/config
  • :access_key_id (String)
  • :active_endpoint_cache (Boolean) — default: false —

    When set to true, a thread polling for endpoints will be running in the background every 60 secs (default). Defaults to false.

  • :adaptive_retry_wait_to_fill (Boolean) — default: true —

    Used only in adaptive retry mode. When true, the request will sleep until there is sufficent client side capacity to retry the request. When false, the request will raise a RetryCapacityNotAvailableError and will not retry instead of sleeping.

  • :client_side_monitoring (Boolean) — default: false —

    When true, client-side metrics will be collected for all API requests from this client.

  • :client_side_monitoring_client_id (String) — default: "" —

    Allows you to provide an identifier for this client which will be attached to all generated client side metrics. Defaults to an empty string.

  • :client_side_monitoring_host (String) — default: "127.0.0.1" —

    Allows you to specify the DNS hostname or IPv4 or IPv6 address that the client side monitoring agent is running on, where client metrics will be published via UDP.

  • :client_side_monitoring_port (Integer) — default: 31000 —

    Required for publishing client metrics. The port that the client side monitoring agent is running on, where client metrics will be published via UDP.

  • :client_side_monitoring_publisher (Aws::ClientSideMonitoring::Publisher) — default: Aws::ClientSideMonitoring::Publisher —

    Allows you to provide a custom client-side monitoring publisher class. By default, will use the Client Side Monitoring Agent Publisher.

  • :convert_params (Boolean) — default: true —

    When true, an attempt is made to coerce request parameters into the required types.

  • :correct_clock_skew (Boolean) — default: true —

    Used only in standard and adaptive retry modes. Specifies whether to apply a clock skew correction and retry requests with skewed client clocks.

  • :disable_host_prefix_injection (Boolean) — default: false —

    Set to true to disable SDK automatically adding host prefix to default service endpoint when available.

  • :endpoint (String) —

    The client endpoint is normally constructed from the :region option. You should only configure an :endpoint when connecting to test endpoints. This should be a valid HTTP(S) URI.

  • :endpoint_cache_max_entries (Integer) — default: 1000 —

    Used for the maximum size limit of the LRU cache storing endpoints data for endpoint discovery enabled operations. Defaults to 1000.

  • :endpoint_cache_max_threads (Integer) — default: 10 —

    Used for the maximum threads in use for polling endpoints to be cached, defaults to 10.

  • :endpoint_cache_poll_interval (Integer) — default: 60 —

    When :endpoint_discovery and :active_endpoint_cache is enabled, Use this option to config the time interval in seconds for making requests fetching endpoints information. Defaults to 60 sec.

  • :endpoint_discovery (Boolean) — default: false —

    When set to true, endpoint discovery will be enabled for operations when available. Defaults to false.

  • :log_formatter (Aws::Log::Formatter) — default: Aws::Log::Formatter.default —

    The log formatter.

  • :log_level (Symbol) — default: :info —

    The log level to send messages to the :logger at.

  • :logger (Logger) —

    The Logger instance to send log messages to. If this option is not set, logging will be disabled.

  • :max_attempts (Integer) — default: 3 —

    An integer representing the maximum number attempts that will be made for a single request, including the initial attempt. For example, setting this value to 5 will result in a request being retried up to 4 times. Used in standard and adaptive retry modes.

  • :profile (String) — default: "default" —

    Used when loading credentials from the shared credentials file at HOME/.aws/credentials. When not specified, 'default' is used.

  • :retry_backoff (Proc) —

    A proc or lambda used for backoff. Defaults to 2**retries * retry_base_delay. This option is only used in the legacy retry mode.

  • :retry_base_delay (Float) — default: 0.3 —

    The base delay in seconds used by the default backoff function. This option is only used in the legacy retry mode.

  • :retry_jitter (Symbol) — default: :none —

    A delay randomiser function used by the default backoff function. Some predefined functions can be referenced by name - :none, :equal, :full, otherwise a Proc that takes and returns a number. This option is only used in the legacy retry mode.

    @see https://www.awsarchitectureblog.com/2015/03/backoff.html

  • :retry_limit (Integer) — default: 3 —

    The maximum number of times to retry failed requests. Only ~ 500 level server errors and certain ~ 400 level client errors are retried. Generally, these are throttling errors, data checksum errors, networking errors, timeout errors, auth errors, endpoint discovery, and errors from expired credentials. This option is only used in the legacy retry mode.

  • :retry_max_delay (Integer) — default: 0 —

    The maximum number of seconds to delay between retries (0 for no limit) used by the default backoff function. This option is only used in the legacy retry mode.

  • :retry_mode (String) — default: "legacy" —

    Specifies which retry algorithm to use. Values are:

    • legacy - The pre-existing retry behavior. This is default value if no retry mode is provided.

    • standard - A standardized set of retry rules across the AWS SDKs. This includes support for retry quotas, which limit the number of unsuccessful retries a client can make.

    • adaptive - An experimental retry mode that includes all the functionality of standard mode along with automatic client side throttling. This is a provisional mode that may change behavior in the future.

  • :secret_access_key (String)
  • :session_token (String)
  • :simple_json (Boolean) — default: false —

    Disables request parameter conversion, validation, and formatting. Also disable response data type conversions. This option is useful when you want to ensure the highest level of performance by avoiding overhead of walking request parameters and response data structures.

    When :simple_json is enabled, the request parameters hash must be formatted exactly as the DynamoDB API expects.

  • :stub_responses (Boolean) — default: false —

    Causes the client to return stubbed responses. By default fake responses are generated and returned. You can specify the response data to return or errors to raise by calling ClientStubs#stub_responses. See ClientStubs for more information.

    Please note When response stubbing is enabled, no HTTP requests are made, and retries are disabled.

  • :validate_params (Boolean) — default: true —

    When true, request parameters are validated before sending the request.

  • :http_proxy (URI::HTTP, String) —

    A proxy to send requests through. Formatted like 'http://proxy.com:123'.

  • :http_open_timeout (Float) — default: 15 —

    The number of seconds to wait when opening a HTTP session before raising a Timeout::Error.

  • :http_read_timeout (Integer) — default: 60 —

    The default number of seconds to wait for response data. This value can safely be set per-request on the session.

  • :http_idle_timeout (Float) — default: 5 —

    The number of seconds a connection is allowed to sit idle before it is considered stale. Stale connections are closed and removed from the pool before making a request.

  • :http_continue_timeout (Float) — default: 1 —

    The number of seconds to wait for a 100-continue response before sending the request body. This option has no effect unless the request has "Expect" header set to "100-continue". Defaults to nil which disables this behaviour. This value can safely be set per request on the session.

  • :http_wire_trace (Boolean) — default: false —

    When true, HTTP debug output will be sent to the :logger.

  • :ssl_verify_peer (Boolean) — default: true —

    When true, SSL peer certificates are verified when establishing a connection.

  • :ssl_ca_bundle (String) —

    Full path to the SSL certificate authority bundle file that should be used when verifying peer certificates. If you do not pass :ssl_ca_bundle or :ssl_ca_directory the the system default will be used if available.

  • :ssl_ca_directory (String) —

    Full path of the directory that contains the unbundled SSL certificate authority files for verifying peer certificates. If you do not pass :ssl_ca_bundle or :ssl_ca_directory the the system default will be used if available.



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 315

def initialize(*args)
  super
end

Instance Method Details

#add_instance_fleet(params = {}) ⇒ Types::AddInstanceFleetOutput

Adds an instance fleet to a running cluster.

The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x.

Examples:

Request syntax with placeholder values


resp = client.add_instance_fleet({
  cluster_id: "XmlStringMaxLen256", # required
  instance_fleet: { # required
    name: "XmlStringMaxLen256",
    instance_fleet_type: "MASTER", # required, accepts MASTER, CORE, TASK
    target_on_demand_capacity: 1,
    target_spot_capacity: 1,
    instance_type_configs: [
      {
        instance_type: "InstanceType", # required
        weighted_capacity: 1,
        bid_price: "XmlStringMaxLen256",
        bid_price_as_percentage_of_on_demand_price: 1.0,
        ebs_configuration: {
          ebs_block_device_configs: [
            {
              volume_specification: { # required
                volume_type: "String", # required
                iops: 1,
                size_in_gb: 1, # required
              },
              volumes_per_instance: 1,
            },
          ],
          ebs_optimized: false,
        },
        configurations: [
          {
            classification: "String",
            configurations: {
              # recursive ConfigurationList
            },
            properties: {
              "String" => "String",
            },
          },
        ],
      },
    ],
    launch_specifications: {
      spot_specification: { # required
        timeout_duration_minutes: 1, # required
        timeout_action: "SWITCH_TO_ON_DEMAND", # required, accepts SWITCH_TO_ON_DEMAND, TERMINATE_CLUSTER
        block_duration_minutes: 1,
      },
    },
  },
})

Response structure


resp.cluster_id #=> String
resp.instance_fleet_id #=> String
resp.cluster_arn #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The unique identifier of the cluster.

  • :instance_fleet (required, Types::InstanceFleetConfig) —

    Specifies the configuration of the instance fleet.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 401

def add_instance_fleet(params = {}, options = {})
  req = build_request(:add_instance_fleet, params)
  req.send_request(options)
end

#add_instance_groups(params = {}) ⇒ Types::AddInstanceGroupsOutput

Adds one or more instance groups to a running cluster.

Examples:

Request syntax with placeholder values


resp = client.add_instance_groups({
  instance_groups: [ # required
    {
      name: "XmlStringMaxLen256",
      market: "ON_DEMAND", # accepts ON_DEMAND, SPOT
      instance_role: "MASTER", # required, accepts MASTER, CORE, TASK
      bid_price: "XmlStringMaxLen256",
      instance_type: "InstanceType", # required
      instance_count: 1, # required
      configurations: [
        {
          classification: "String",
          configurations: {
            # recursive ConfigurationList
          },
          properties: {
            "String" => "String",
          },
        },
      ],
      ebs_configuration: {
        ebs_block_device_configs: [
          {
            volume_specification: { # required
              volume_type: "String", # required
              iops: 1,
              size_in_gb: 1, # required
            },
            volumes_per_instance: 1,
          },
        ],
        ebs_optimized: false,
      },
      auto_scaling_policy: {
        constraints: { # required
          min_capacity: 1, # required
          max_capacity: 1, # required
        },
        rules: [ # required
          {
            name: "String", # required
            description: "String",
            action: { # required
              market: "ON_DEMAND", # accepts ON_DEMAND, SPOT
              simple_scaling_policy_configuration: { # required
                adjustment_type: "CHANGE_IN_CAPACITY", # accepts CHANGE_IN_CAPACITY, PERCENT_CHANGE_IN_CAPACITY, EXACT_CAPACITY
                scaling_adjustment: 1, # required
                cool_down: 1,
              },
            },
            trigger: { # required
              cloud_watch_alarm_definition: { # required
                comparison_operator: "GREATER_THAN_OR_EQUAL", # required, accepts GREATER_THAN_OR_EQUAL, GREATER_THAN, LESS_THAN, LESS_THAN_OR_EQUAL
                evaluation_periods: 1,
                metric_name: "String", # required
                namespace: "String",
                period: 1, # required
                statistic: "SAMPLE_COUNT", # accepts SAMPLE_COUNT, AVERAGE, SUM, MINIMUM, MAXIMUM
                threshold: 1.0, # required
                unit: "NONE", # accepts NONE, SECONDS, MICRO_SECONDS, MILLI_SECONDS, BYTES, KILO_BYTES, MEGA_BYTES, GIGA_BYTES, TERA_BYTES, BITS, KILO_BITS, MEGA_BITS, GIGA_BITS, TERA_BITS, PERCENT, COUNT, BYTES_PER_SECOND, KILO_BYTES_PER_SECOND, MEGA_BYTES_PER_SECOND, GIGA_BYTES_PER_SECOND, TERA_BYTES_PER_SECOND, BITS_PER_SECOND, KILO_BITS_PER_SECOND, MEGA_BITS_PER_SECOND, GIGA_BITS_PER_SECOND, TERA_BITS_PER_SECOND, COUNT_PER_SECOND
                dimensions: [
                  {
                    key: "String",
                    value: "String",
                  },
                ],
              },
            },
          },
        ],
      },
    },
  ],
  job_flow_id: "XmlStringMaxLen256", # required
})

Response structure


resp.job_flow_id #=> String
resp.instance_group_ids #=> Array
resp.instance_group_ids[0] #=> String
resp.cluster_arn #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :instance_groups (required, Array<Types::InstanceGroupConfig>) —

    Instance groups to add.

  • :job_flow_id (required, String) —

    Job flow in which to add the instance groups.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 509

def add_instance_groups(params = {}, options = {})
  req = build_request(:add_instance_groups, params)
  req.send_request(options)
end

#add_job_flow_steps(params = {}) ⇒ Types::AddJobFlowStepsOutput

AddJobFlowSteps adds new steps to a running cluster. A maximum of 256 steps are allowed in each job flow.

If your cluster 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 SSH 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, see Add More than 256 Steps to a Cluster in the Amazon EMR Management Guide.

A step specifies the location of a JAR file stored either on the master node of the cluster 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.

Amazon EMR 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 cluster that is in one of the following states: STARTING, BOOTSTRAPPING, RUNNING, or WAITING.

Examples:

Request syntax with placeholder values


resp = client.add_job_flow_steps({
  job_flow_id: "XmlStringMaxLen256", # required
  steps: [ # required
    {
      name: "XmlStringMaxLen256", # required
      action_on_failure: "TERMINATE_JOB_FLOW", # accepts TERMINATE_JOB_FLOW, TERMINATE_CLUSTER, CANCEL_AND_WAIT, CONTINUE
      hadoop_jar_step: { # required
        properties: [
          {
            key: "XmlString",
            value: "XmlString",
          },
        ],
        jar: "XmlString", # required
        main_class: "XmlString",
        args: ["XmlString"],
      },
    },
  ],
})

Response structure


resp.step_ids #=> Array
resp.step_ids[0] #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :job_flow_id (required, String) —

    A string that uniquely identifies the job flow. This identifier is returned by RunJobFlow and can also be obtained from ListClusters.

  • :steps (required, Array<Types::StepConfig>) —

    A list of StepConfig to be executed by the job flow.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 586

def add_job_flow_steps(params = {}, options = {})
  req = build_request(:add_job_flow_steps, params)
  req.send_request(options)
end

#add_tags(params = {}) ⇒ Struct

Adds tags to an Amazon EMR resource. Tags make it easier to associate clusters in various ways, such as grouping clusters to track your Amazon EMR resource allocation costs. For more information, see Tag Clusters.

Examples:

Request syntax with placeholder values


resp = client.add_tags({
  resource_id: "ResourceId", # required
  tags: [ # required
    {
      key: "String",
      value: "String",
    },
  ],
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :resource_id (required, String) —

    The Amazon EMR resource identifier to which tags will be added. This value must be a cluster identifier.

  • :tags (required, Array<Types::Tag>) —

    A list of tags to associate with a cluster and propagate to EC2 instances. Tags are user-defined key/value pairs that consist of a required key string with a maximum of 128 characters, and an optional value string with a maximum of 256 characters.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 628

def add_tags(params = {}, options = {})
  req = build_request(:add_tags, params)
  req.send_request(options)
end

#cancel_steps(params = {}) ⇒ Types::CancelStepsOutput

Cancels a pending step or steps in a running cluster. Available only in Amazon EMR versions 4.8.0 and later, excluding version 5.0.0. A maximum of 256 steps are allowed in each CancelSteps request. CancelSteps is idempotent but asynchronous; it does not guarantee a step will be canceled, even if the request is successfully submitted. You can only cancel steps that are in a PENDING state.

Examples:

Request syntax with placeholder values


resp = client.cancel_steps({
  cluster_id: "XmlStringMaxLen256", # required
  step_ids: ["XmlStringMaxLen256"], # required
  step_cancellation_option: "SEND_INTERRUPT", # accepts SEND_INTERRUPT, TERMINATE_PROCESS
})

Response structure


resp.cancel_steps_info_list #=> Array
resp.cancel_steps_info_list[0].step_id #=> String
resp.cancel_steps_info_list[0].status #=> String, one of "SUBMITTED", "FAILED"
resp.cancel_steps_info_list[0].reason #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The ClusterID for which specified steps will be canceled. Use RunJobFlow and ListClusters to get ClusterIDs.

  • :step_ids (required, Array<String>) —

    The list of StepIDs to cancel. Use ListSteps to get steps and their states for the specified cluster.

  • :step_cancellation_option (String) —

    The option to choose for cancelling RUNNING steps. By default, the value is SEND_INTERRUPT.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 675

def cancel_steps(params = {}, options = {})
  req = build_request(:cancel_steps, params)
  req.send_request(options)
end

#create_security_configuration(params = {}) ⇒ Types::CreateSecurityConfigurationOutput

Creates a security configuration, which is stored in the service and can be specified when a cluster is created.

Examples:

Request syntax with placeholder values


resp = client.create_security_configuration({
  name: "XmlString", # required
  security_configuration: "String", # required
})

Response structure


resp.name #=> String
resp.creation_date_time #=> Time

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :name (required, String) —

    The name of the security configuration.

  • :security_configuration (required, String) —

    The security configuration details in JSON format. For JSON parameters and examples, see Use Security Configurations to Set Up Cluster Security in the Amazon EMR Management Guide.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 716

def create_security_configuration(params = {}, options = {})
  req = build_request(:create_security_configuration, params)
  req.send_request(options)
end

#delete_security_configuration(params = {}) ⇒ Struct

Deletes a security configuration.

Examples:

Request syntax with placeholder values


resp = client.delete_security_configuration({
  name: "XmlString", # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :name (required, String) —

    The name of the security configuration.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 738

def delete_security_configuration(params = {}, options = {})
  req = build_request(:delete_security_configuration, params)
  req.send_request(options)
end

#describe_cluster(params = {}) ⇒ Types::DescribeClusterOutput

Provides cluster-level details including status, hardware and software configuration, VPC settings, and so on.

The following waiters are defined for this operation (see #wait_until for detailed usage):

  • cluster_running
  • cluster_terminated

Examples:

Request syntax with placeholder values


resp = client.describe_cluster({
  cluster_id: "ClusterId", # required
})

Response structure


resp.cluster.id #=> String
resp.cluster.name #=> String
resp.cluster.status.state #=> String, one of "STARTING", "BOOTSTRAPPING", "RUNNING", "WAITING", "TERMINATING", "TERMINATED", "TERMINATED_WITH_ERRORS"
resp.cluster.status.state_change_reason.code #=> String, one of "INTERNAL_ERROR", "VALIDATION_ERROR", "INSTANCE_FAILURE", "INSTANCE_FLEET_TIMEOUT", "BOOTSTRAP_FAILURE", "USER_REQUEST", "STEP_FAILURE", "ALL_STEPS_COMPLETED"
resp.cluster.status.state_change_reason.message #=> String
resp.cluster.status.timeline.creation_date_time #=> Time
resp.cluster.status.timeline.ready_date_time #=> Time
resp.cluster.status.timeline.end_date_time #=> Time
resp.cluster.ec2_instance_attributes.ec2_key_name #=> String
resp.cluster.ec2_instance_attributes.ec2_subnet_id #=> String
resp.cluster.ec2_instance_attributes.requested_ec2_subnet_ids #=> Array
resp.cluster.ec2_instance_attributes.requested_ec2_subnet_ids[0] #=> String
resp.cluster.ec2_instance_attributes.ec2_availability_zone #=> String
resp.cluster.ec2_instance_attributes.requested_ec2_availability_zones #=> Array
resp.cluster.ec2_instance_attributes.requested_ec2_availability_zones[0] #=> String
resp.cluster.ec2_instance_attributes.iam_instance_profile #=> String
resp.cluster.ec2_instance_attributes.emr_managed_master_security_group #=> String
resp.cluster.ec2_instance_attributes.emr_managed_slave_security_group #=> String
resp.cluster.ec2_instance_attributes.service_access_security_group #=> String
resp.cluster.ec2_instance_attributes.additional_master_security_groups #=> Array
resp.cluster.ec2_instance_attributes.additional_master_security_groups[0] #=> String
resp.cluster.ec2_instance_attributes.additional_slave_security_groups #=> Array
resp.cluster.ec2_instance_attributes.additional_slave_security_groups[0] #=> String
resp.cluster.instance_collection_type #=> String, one of "INSTANCE_FLEET", "INSTANCE_GROUP"
resp.cluster.log_uri #=> String
resp.cluster.requested_ami_version #=> String
resp.cluster.running_ami_version #=> String
resp.cluster.release_label #=> String
resp.cluster.auto_terminate #=> Boolean
resp.cluster.termination_protected #=> Boolean
resp.cluster.visible_to_all_users #=> Boolean
resp.cluster.applications #=> Array
resp.cluster.applications[0].name #=> String
resp.cluster.applications[0].version #=> String
resp.cluster.applications[0].args #=> Array
resp.cluster.applications[0].args[0] #=> String
resp.cluster.applications[0].additional_info #=> Hash
resp.cluster.applications[0].additional_info["String"] #=> String
resp.cluster.tags #=> Array
resp.cluster.tags[0].key #=> String
resp.cluster.tags[0].value #=> String
resp.cluster.service_role #=> String
resp.cluster.normalized_instance_hours #=> Integer
resp.cluster.master_public_dns_name #=> String
resp.cluster.configurations #=> Array
resp.cluster.configurations[0].classification #=> String
resp.cluster.configurations[0].configurations #=> Types::ConfigurationList
resp.cluster.configurations[0].properties #=> Hash
resp.cluster.configurations[0].properties["String"] #=> String
resp.cluster.security_configuration #=> String
resp.cluster.auto_scaling_role #=> String
resp.cluster.scale_down_behavior #=> String, one of "TERMINATE_AT_INSTANCE_HOUR", "TERMINATE_AT_TASK_COMPLETION"
resp.cluster.custom_ami_id #=> String
resp.cluster.ebs_root_volume_size #=> Integer
resp.cluster.repo_upgrade_on_boot #=> String, one of "SECURITY", "NONE"
resp.cluster.kerberos_attributes.realm #=> String
resp.cluster.kerberos_attributes.kdc_admin_password #=> String
resp.cluster.kerberos_attributes.cross_realm_trust_principal_password #=> String
resp.cluster.kerberos_attributes.ad_domain_join_user #=> String
resp.cluster.kerberos_attributes.ad_domain_join_password #=> String
resp.cluster.cluster_arn #=> String
resp.cluster.outpost_arn #=> String
resp.cluster.step_concurrency_level #=> Integer

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The identifier of the cluster to describe.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 835

def describe_cluster(params = {}, options = {})
  req = build_request(:describe_cluster, params)
  req.send_request(options)
end

#describe_job_flows(params = {}) ⇒ Types::DescribeJobFlowsOutput

This API is deprecated and will eventually be removed. We recommend you use ListClusters, DescribeCluster, ListSteps, ListInstanceGroups and ListBootstrapActions instead.

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:

  • Job flows created and completed in the last two weeks

  • Job flows created within the last two months that are in one of the following states: RUNNING, WAITING, SHUTTING_DOWN, STARTING

Amazon EMR can return a maximum of 512 job flow descriptions.

Examples:

Request syntax with placeholder values


resp = client.describe_job_flows({
  created_after: Time.now,
  created_before: Time.now,
  job_flow_ids: ["XmlString"],
  job_flow_states: ["STARTING"], # accepts STARTING, BOOTSTRAPPING, RUNNING, WAITING, SHUTTING_DOWN, TERMINATED, COMPLETED, FAILED
})

Response structure


resp.job_flows #=> Array
resp.job_flows[0].job_flow_id #=> String
resp.job_flows[0].name #=> String
resp.job_flows[0].log_uri #=> String
resp.job_flows[0].ami_version #=> String
resp.job_flows[0].execution_status_detail.state #=> String, one of "STARTING", "BOOTSTRAPPING", "RUNNING", "WAITING", "SHUTTING_DOWN", "TERMINATED", "COMPLETED", "FAILED"
resp.job_flows[0].execution_status_detail.creation_date_time #=> Time
resp.job_flows[0].execution_status_detail.start_date_time #=> Time
resp.job_flows[0].execution_status_detail.ready_date_time #=> Time
resp.job_flows[0].execution_status_detail.end_date_time #=> Time
resp.job_flows[0].execution_status_detail.last_state_change_reason #=> String
resp.job_flows[0].instances.master_instance_type #=> String
resp.job_flows[0].instances.master_public_dns_name #=> String
resp.job_flows[0].instances.master_instance_id #=> String
resp.job_flows[0].instances.slave_instance_type #=> String
resp.job_flows[0].instances.instance_count #=> Integer
resp.job_flows[0].instances.instance_groups #=> Array
resp.job_flows[0].instances.instance_groups[0].instance_group_id #=> String
resp.job_flows[0].instances.instance_groups[0].name #=> String
resp.job_flows[0].instances.instance_groups[0].market #=> String, one of "ON_DEMAND", "SPOT"
resp.job_flows[0].instances.instance_groups[0].instance_role #=> String, one of "MASTER", "CORE", "TASK"
resp.job_flows[0].instances.instance_groups[0].bid_price #=> String
resp.job_flows[0].instances.instance_groups[0].instance_type #=> String
resp.job_flows[0].instances.instance_groups[0].instance_request_count #=> Integer
resp.job_flows[0].instances.instance_groups[0].instance_running_count #=> Integer
resp.job_flows[0].instances.instance_groups[0].state #=> String, one of "PROVISIONING", "BOOTSTRAPPING", "RUNNING", "RECONFIGURING", "RESIZING", "SUSPENDED", "TERMINATING", "TERMINATED", "ARRESTED", "SHUTTING_DOWN", "ENDED"
resp.job_flows[0].instances.instance_groups[0].last_state_change_reason #=> String
resp.job_flows[0].instances.instance_groups[0].creation_date_time #=> Time
resp.job_flows[0].instances.instance_groups[0].start_date_time #=> Time
resp.job_flows[0].instances.instance_groups[0].ready_date_time #=> Time
resp.job_flows[0].instances.instance_groups[0].end_date_time #=> Time
resp.job_flows[0].instances.normalized_instance_hours #=> Integer
resp.job_flows[0].instances.ec2_key_name #=> String
resp.job_flows[0].instances.ec2_subnet_id #=> String
resp.job_flows[0].instances.placement.availability_zone #=> String
resp.job_flows[0].instances.placement.availability_zones #=> Array
resp.job_flows[0].instances.placement.availability_zones[0] #=> String
resp.job_flows[0].instances.keep_job_flow_alive_when_no_steps #=> Boolean
resp.job_flows[0].instances.termination_protected #=> Boolean
resp.job_flows[0].instances.hadoop_version #=> String
resp.job_flows[0].steps #=> Array
resp.job_flows[0].steps[0].step_config.name #=> String
resp.job_flows[0].steps[0].step_config.action_on_failure #=> String, one of "TERMINATE_JOB_FLOW", "TERMINATE_CLUSTER", "CANCEL_AND_WAIT", "CONTINUE"
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.properties #=> Array
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.properties[0].key #=> String
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.properties[0].value #=> String
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.jar #=> String
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.main_class #=> String
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.args #=> Array
resp.job_flows[0].steps[0].step_config.hadoop_jar_step.args[0] #=> String
resp.job_flows[0].steps[0].execution_status_detail.state #=> String, one of "PENDING", "RUNNING", "CONTINUE", "COMPLETED", "CANCELLED", "FAILED", "INTERRUPTED"
resp.job_flows[0].steps[0].execution_status_detail.creation_date_time #=> Time
resp.job_flows[0].steps[0].execution_status_detail.start_date_time #=> Time
resp.job_flows[0].steps[0].execution_status_detail.end_date_time #=> Time
resp.job_flows[0].steps[0].execution_status_detail.last_state_change_reason #=> String
resp.job_flows[0].bootstrap_actions #=> Array
resp.job_flows[0].bootstrap_actions[0].bootstrap_action_config.name #=> String
resp.job_flows[0].bootstrap_actions[0].bootstrap_action_config.script_bootstrap_action.path #=> String
resp.job_flows[0].bootstrap_actions[0].bootstrap_action_config.script_bootstrap_action.args #=> Array
resp.job_flows[0].bootstrap_actions[0].bootstrap_action_config.script_bootstrap_action.args[0] #=> String
resp.job_flows[0].supported_products #=> Array
resp.job_flows[0].supported_products[0] #=> String
resp.job_flows[0].visible_to_all_users #=> Boolean
resp.job_flows[0].job_flow_role #=> String
resp.job_flows[0].service_role #=> String
resp.job_flows[0].auto_scaling_role #=> String
resp.job_flows[0].scale_down_behavior #=> String, one of "TERMINATE_AT_INSTANCE_HOUR", "TERMINATE_AT_TASK_COMPLETION"

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :created_after (Time, DateTime, Date, Integer, String) —

    Return only job flows created after this date and time.

  • :created_before (Time, DateTime, Date, Integer, String) —

    Return only job flows created before this date and time.

  • :job_flow_ids (Array<String>) —

    Return only job flows whose job flow ID is contained in this list.

  • :job_flow_states (Array<String>) —

    Return only job flows whose state is contained in this list.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 961

def describe_job_flows(params = {}, options = {})
  req = build_request(:describe_job_flows, params)
  req.send_request(options)
end

#describe_security_configuration(params = {}) ⇒ Types::DescribeSecurityConfigurationOutput

Provides the details of a security configuration by returning the configuration JSON.

Examples:

Request syntax with placeholder values


resp = client.describe_security_configuration({
  name: "XmlString", # required
})

Response structure


resp.name #=> String
resp.security_configuration #=> String
resp.creation_date_time #=> Time

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :name (required, String) —

    The name of the security configuration.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 994

def describe_security_configuration(params = {}, options = {})
  req = build_request(:describe_security_configuration, params)
  req.send_request(options)
end

#describe_step(params = {}) ⇒ Types::DescribeStepOutput

Provides more detail about the cluster step.

The following waiters are defined for this operation (see #wait_until for detailed usage):

  • step_complete

Examples:

Request syntax with placeholder values


resp = client.describe_step({
  cluster_id: "ClusterId", # required
  step_id: "StepId", # required
})

Response structure


resp.step.id #=> String
resp.step.name #=> String
resp.step.config.jar #=> String
resp.step.config.properties #=> Hash
resp.step.config.properties["String"] #=> String
resp.step.config.main_class #=> String
resp.step.config.args #=> Array
resp.step.config.args[0] #=> String
resp.step.action_on_failure #=> String, one of "TERMINATE_JOB_FLOW", "TERMINATE_CLUSTER", "CANCEL_AND_WAIT", "CONTINUE"
resp.step.status.state #=> String, one of "PENDING", "CANCEL_PENDING", "RUNNING", "COMPLETED", "CANCELLED", "FAILED", "INTERRUPTED"
resp.step.status.state_change_reason.code #=> String, one of "NONE"
resp.step.status.state_change_reason.message #=> String
resp.step.status.failure_details.reason #=> String
resp.step.status.failure_details.message #=> String
resp.step.status.failure_details.log_file #=> String
resp.step.status.timeline.creation_date_time #=> Time
resp.step.status.timeline.start_date_time #=> Time
resp.step.status.timeline.end_date_time #=> Time

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The identifier of the cluster with steps to describe.

  • :step_id (required, String) —

    The identifier of the step to describe.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1048

def describe_step(params = {}, options = {})
  req = build_request(:describe_step, params)
  req.send_request(options)
end

#get_block_public_access_configuration(params = {}) ⇒ Types::GetBlockPublicAccessConfigurationOutput

Returns the Amazon EMR block public access configuration for your AWS account in the current Region. For more information see Configure Block Public Access for Amazon EMR in the Amazon EMR Management Guide.

Examples:

Response structure


resp.block_public_access_configuration.block_public_security_group_rules #=> Boolean
resp.block_public_access_configuration.permitted_public_security_group_rule_ranges #=> Array
resp.block_public_access_configuration.permitted_public_security_group_rule_ranges[0].min_range #=> Integer
resp.block_public_access_configuration.permitted_public_security_group_rule_ranges[0].max_range #=> Integer
resp.block_public_access_configuration_metadata.creation_date_time #=> Time
resp.block_public_access_configuration_metadata.created_by_arn #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1080

def get_block_public_access_configuration(params = {}, options = {})
  req = build_request(:get_block_public_access_configuration, params)
  req.send_request(options)
end

#get_managed_scaling_policy(params = {}) ⇒ Types::GetManagedScalingPolicyOutput

Fetches the attached managed scaling policy for an Amazon EMR cluster.

Examples:

Request syntax with placeholder values


resp = client.get_managed_scaling_policy({
  cluster_id: "ClusterId", # required
})

Response structure


resp.managed_scaling_policy.compute_limits.unit_type #=> String, one of "InstanceFleetUnits", "Instances", "VCPU"
resp.managed_scaling_policy.compute_limits.minimum_capacity_units #=> Integer
resp.managed_scaling_policy.compute_limits.maximum_capacity_units #=> Integer
resp.managed_scaling_policy.compute_limits.maximum_on_demand_capacity_units #=> Integer

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    Specifies the ID of the cluster for which the managed scaling policy will be fetched.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1112

def get_managed_scaling_policy(params = {}, options = {})
  req = build_request(:get_managed_scaling_policy, params)
  req.send_request(options)
end

#list_bootstrap_actions(params = {}) ⇒ Types::ListBootstrapActionsOutput

Provides information about the bootstrap actions associated with a cluster.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_bootstrap_actions({
  cluster_id: "ClusterId", # required
  marker: "Marker",
})

Response structure


resp.bootstrap_actions #=> Array
resp.bootstrap_actions[0].name #=> String
resp.bootstrap_actions[0].script_path #=> String
resp.bootstrap_actions[0].args #=> Array
resp.bootstrap_actions[0].args[0] #=> String
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The cluster identifier for the bootstrap actions to list.

  • :marker (String) —

    The pagination token that indicates the next set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1154

def list_bootstrap_actions(params = {}, options = {})
  req = build_request(:list_bootstrap_actions, params)
  req.send_request(options)
end

#list_clusters(params = {}) ⇒ Types::ListClustersOutput

Provides the status of all clusters visible to this AWS account. Allows you to filter the list of clusters based on certain criteria; for example, filtering by cluster creation date and time or by status. This call returns a maximum of 50 clusters per call, but returns a marker to track the paging of the cluster list across multiple ListClusters calls.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_clusters({
  created_after: Time.now,
  created_before: Time.now,
  cluster_states: ["STARTING"], # accepts STARTING, BOOTSTRAPPING, RUNNING, WAITING, TERMINATING, TERMINATED, TERMINATED_WITH_ERRORS
  marker: "Marker",
})

Response structure


resp.clusters #=> Array
resp.clusters[0].id #=> String
resp.clusters[0].name #=> String
resp.clusters[0].status.state #=> String, one of "STARTING", "BOOTSTRAPPING", "RUNNING", "WAITING", "TERMINATING", "TERMINATED", "TERMINATED_WITH_ERRORS"
resp.clusters[0].status.state_change_reason.code #=> String, one of "INTERNAL_ERROR", "VALIDATION_ERROR", "INSTANCE_FAILURE", "INSTANCE_FLEET_TIMEOUT", "BOOTSTRAP_FAILURE", "USER_REQUEST", "STEP_FAILURE", "ALL_STEPS_COMPLETED"
resp.clusters[0].status.state_change_reason.message #=> String
resp.clusters[0].status.timeline.creation_date_time #=> Time
resp.clusters[0].status.timeline.ready_date_time #=> Time
resp.clusters[0].status.timeline.end_date_time #=> Time
resp.clusters[0].normalized_instance_hours #=> Integer
resp.clusters[0].cluster_arn #=> String
resp.clusters[0].outpost_arn #=> String
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :created_after (Time, DateTime, Date, Integer, String) —

    The creation date and time beginning value filter for listing clusters.

  • :created_before (Time, DateTime, Date, Integer, String) —

    The creation date and time end value filter for listing clusters.

  • :cluster_states (Array<String>) —

    The cluster state filters to apply when listing clusters.

  • :marker (String) —

    The pagination token that indicates the next set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1216

def list_clusters(params = {}, options = {})
  req = build_request(:list_clusters, params)
  req.send_request(options)
end

#list_instance_fleets(params = {}) ⇒ Types::ListInstanceFleetsOutput

Lists all available details about the instance fleets in a cluster.

The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_instance_fleets({
  cluster_id: "ClusterId", # required
  marker: "Marker",
})

Response structure


resp.instance_fleets #=> Array
resp.instance_fleets[0].id #=> String
resp.instance_fleets[0].name #=> String
resp.instance_fleets[0].status.state #=> String, one of "PROVISIONING", "BOOTSTRAPPING", "RUNNING", "RESIZING", "SUSPENDED", "TERMINATING", "TERMINATED"
resp.instance_fleets[0].status.state_change_reason.code #=> String, one of "INTERNAL_ERROR", "VALIDATION_ERROR", "INSTANCE_FAILURE", "CLUSTER_TERMINATED"
resp.instance_fleets[0].status.state_change_reason.message #=> String
resp.instance_fleets[0].status.timeline.creation_date_time #=> Time
resp.instance_fleets[0].status.timeline.ready_date_time #=> Time
resp.instance_fleets[0].status.timeline.end_date_time #=> Time
resp.instance_fleets[0].instance_fleet_type #=> String, one of "MASTER", "CORE", "TASK"
resp.instance_fleets[0].target_on_demand_capacity #=> Integer
resp.instance_fleets[0].target_spot_capacity #=> Integer
resp.instance_fleets[0].provisioned_on_demand_capacity #=> Integer
resp.instance_fleets[0].provisioned_spot_capacity #=> Integer
resp.instance_fleets[0].instance_type_specifications #=> Array
resp.instance_fleets[0].instance_type_specifications[0].instance_type #=> String
resp.instance_fleets[0].instance_type_specifications[0].weighted_capacity #=> Integer
resp.instance_fleets[0].instance_type_specifications[0].bid_price #=> String
resp.instance_fleets[0].instance_type_specifications[0].bid_price_as_percentage_of_on_demand_price #=> Float
resp.instance_fleets[0].instance_type_specifications[0].configurations #=> Array
resp.instance_fleets[0].instance_type_specifications[0].configurations[0].classification #=> String
resp.instance_fleets[0].instance_type_specifications[0].configurations[0].configurations #=> Types::ConfigurationList
resp.instance_fleets[0].instance_type_specifications[0].configurations[0].properties #=> Hash
resp.instance_fleets[0].instance_type_specifications[0].configurations[0].properties["String"] #=> String
resp.instance_fleets[0].instance_type_specifications[0].ebs_block_devices #=> Array
resp.instance_fleets[0].instance_type_specifications[0].ebs_block_devices[0].volume_specification.volume_type #=> String
resp.instance_fleets[0].instance_type_specifications[0].ebs_block_devices[0].volume_specification.iops #=> Integer
resp.instance_fleets[0].instance_type_specifications[0].ebs_block_devices[0].volume_specification.size_in_gb #=> Integer
resp.instance_fleets[0].instance_type_specifications[0].ebs_block_devices[0].device #=> String
resp.instance_fleets[0].instance_type_specifications[0].ebs_optimized #=> Boolean
resp.instance_fleets[0].launch_specifications.spot_specification.timeout_duration_minutes #=> Integer
resp.instance_fleets[0].launch_specifications.spot_specification.timeout_action #=> String, one of "SWITCH_TO_ON_DEMAND", "TERMINATE_CLUSTER"
resp.instance_fleets[0].launch_specifications.spot_specification.block_duration_minutes #=> Integer
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The unique identifier of the cluster.

  • :marker (String) —

    The pagination token that indicates the next set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1290

def list_instance_fleets(params = {}, options = {})
  req = build_request(:list_instance_fleets, params)
  req.send_request(options)
end

#list_instance_groups(params = {}) ⇒ Types::ListInstanceGroupsOutput

Provides all available details about the instance groups in a cluster.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_instance_groups({
  cluster_id: "ClusterId", # required
  marker: "Marker",
})

Response structure


resp.instance_groups #=> Array
resp.instance_groups[0].id #=> String
resp.instance_groups[0].name #=> String
resp.instance_groups[0].market #=> String, one of "ON_DEMAND", "SPOT"
resp.instance_groups[0].instance_group_type #=> String, one of "MASTER", "CORE", "TASK"
resp.instance_groups[0].bid_price #=> String
resp.instance_groups[0].instance_type #=> String
resp.instance_groups[0].requested_instance_count #=> Integer
resp.instance_groups[0].running_instance_count #=> Integer
resp.instance_groups[0].status.state #=> String, one of "PROVISIONING", "BOOTSTRAPPING", "RUNNING", "RECONFIGURING", "RESIZING", "SUSPENDED", "TERMINATING", "TERMINATED", "ARRESTED", "SHUTTING_DOWN", "ENDED"
resp.instance_groups[0].status.state_change_reason.code #=> String, one of "INTERNAL_ERROR", "VALIDATION_ERROR", "INSTANCE_FAILURE", "CLUSTER_TERMINATED"
resp.instance_groups[0].status.state_change_reason.message #=> String
resp.instance_groups[0].status.timeline.creation_date_time #=> Time
resp.instance_groups[0].status.timeline.ready_date_time #=> Time
resp.instance_groups[0].status.timeline.end_date_time #=> Time
resp.instance_groups[0].configurations #=> Array
resp.instance_groups[0].configurations[0].classification #=> String
resp.instance_groups[0].configurations[0].configurations #=> Types::ConfigurationList
resp.instance_groups[0].configurations[0].properties #=> Hash
resp.instance_groups[0].configurations[0].properties["String"] #=> String
resp.instance_groups[0].configurations_version #=> Integer
resp.instance_groups[0].last_successfully_applied_configurations #=> Array
resp.instance_groups[0].last_successfully_applied_configurations[0].classification #=> String
resp.instance_groups[0].last_successfully_applied_configurations[0].configurations #=> Types::ConfigurationList
resp.instance_groups[0].last_successfully_applied_configurations[0].properties #=> Hash
resp.instance_groups[0].last_successfully_applied_configurations[0].properties["String"] #=> String
resp.instance_groups[0].last_successfully_applied_configurations_version #=> Integer
resp.instance_groups[0].ebs_block_devices #=> Array
resp.instance_groups[0].ebs_block_devices[0].volume_specification.volume_type #=> String
resp.instance_groups[0].ebs_block_devices[0].volume_specification.iops #=> Integer
resp.instance_groups[0].ebs_block_devices[0].volume_specification.size_in_gb #=> Integer
resp.instance_groups[0].ebs_block_devices[0].device #=> String
resp.instance_groups[0].ebs_optimized #=> Boolean
resp.instance_groups[0].shrink_policy.decommission_timeout #=> Integer
resp.instance_groups[0].shrink_policy.instance_resize_policy.instances_to_terminate #=> Array
resp.instance_groups[0].shrink_policy.instance_resize_policy.instances_to_terminate[0] #=> String
resp.instance_groups[0].shrink_policy.instance_resize_policy.instances_to_protect #=> Array
resp.instance_groups[0].shrink_policy.instance_resize_policy.instances_to_protect[0] #=> String
resp.instance_groups[0].shrink_policy.instance_resize_policy.instance_termination_timeout #=> Integer
resp.instance_groups[0].auto_scaling_policy.status.state #=> String, one of "PENDING", "ATTACHING", "ATTACHED", "DETACHING", "DETACHED", "FAILED"
resp.instance_groups[0].auto_scaling_policy.status.state_change_reason.code #=> String, one of "USER_REQUEST", "PROVISION_FAILURE", "CLEANUP_FAILURE"
resp.instance_groups[0].auto_scaling_policy.status.state_change_reason.message #=> String
resp.instance_groups[0].auto_scaling_policy.constraints.min_capacity #=> Integer
resp.instance_groups[0].auto_scaling_policy.constraints.max_capacity #=> Integer
resp.instance_groups[0].auto_scaling_policy.rules #=> Array
resp.instance_groups[0].auto_scaling_policy.rules[0].name #=> String
resp.instance_groups[0].auto_scaling_policy.rules[0].description #=> String
resp.instance_groups[0].auto_scaling_policy.rules[0].action.market #=> String, one of "ON_DEMAND", "SPOT"
resp.instance_groups[0].auto_scaling_policy.rules[0].action.simple_scaling_policy_configuration.adjustment_type #=> String, one of "CHANGE_IN_CAPACITY", "PERCENT_CHANGE_IN_CAPACITY", "EXACT_CAPACITY"
resp.instance_groups[0].auto_scaling_policy.rules[0].action.simple_scaling_policy_configuration.scaling_adjustment #=> Integer
resp.instance_groups[0].auto_scaling_policy.rules[0].action.simple_scaling_policy_configuration.cool_down #=> Integer
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.comparison_operator #=> String, one of "GREATER_THAN_OR_EQUAL", "GREATER_THAN", "LESS_THAN", "LESS_THAN_OR_EQUAL"
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.evaluation_periods #=> Integer
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.metric_name #=> String
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.namespace #=> String
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.period #=> Integer
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.statistic #=> String, one of "SAMPLE_COUNT", "AVERAGE", "SUM", "MINIMUM", "MAXIMUM"
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.threshold #=> Float
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.unit #=> String, one of "NONE", "SECONDS", "MICRO_SECONDS", "MILLI_SECONDS", "BYTES", "KILO_BYTES", "MEGA_BYTES", "GIGA_BYTES", "TERA_BYTES", "BITS", "KILO_BITS", "MEGA_BITS", "GIGA_BITS", "TERA_BITS", "PERCENT", "COUNT", "BYTES_PER_SECOND", "KILO_BYTES_PER_SECOND", "MEGA_BYTES_PER_SECOND", "GIGA_BYTES_PER_SECOND", "TERA_BYTES_PER_SECOND", "BITS_PER_SECOND", "KILO_BITS_PER_SECOND", "MEGA_BITS_PER_SECOND", "GIGA_BITS_PER_SECOND", "TERA_BITS_PER_SECOND", "COUNT_PER_SECOND"
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.dimensions #=> Array
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.dimensions[0].key #=> String
resp.instance_groups[0].auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.dimensions[0].value #=> String
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The identifier of the cluster for which to list the instance groups.

  • :marker (String) —

    The pagination token that indicates the next set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1388

def list_instance_groups(params = {}, options = {})
  req = build_request(:list_instance_groups, params)
  req.send_request(options)
end

#list_instances(params = {}) ⇒ Types::ListInstancesOutput

Provides information for all active EC2 instances and EC2 instances terminated in the last 30 days, up to a maximum of 2,000. EC2 instances in any of the following states are considered active: AWAITING_FULFILLMENT, PROVISIONING, BOOTSTRAPPING, RUNNING.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_instances({
  cluster_id: "ClusterId", # required
  instance_group_id: "InstanceGroupId",
  instance_group_types: ["MASTER"], # accepts MASTER, CORE, TASK
  instance_fleet_id: "InstanceFleetId",
  instance_fleet_type: "MASTER", # accepts MASTER, CORE, TASK
  instance_states: ["AWAITING_FULFILLMENT"], # accepts AWAITING_FULFILLMENT, PROVISIONING, BOOTSTRAPPING, RUNNING, TERMINATED
  marker: "Marker",
})

Response structure


resp.instances #=> Array
resp.instances[0].id #=> String
resp.instances[0].ec2_instance_id #=> String
resp.instances[0].public_dns_name #=> String
resp.instances[0].public_ip_address #=> String
resp.instances[0].private_dns_name #=> String
resp.instances[0].private_ip_address #=> String
resp.instances[0].status.state #=> String, one of "AWAITING_FULFILLMENT", "PROVISIONING", "BOOTSTRAPPING", "RUNNING", "TERMINATED"
resp.instances[0].status.state_change_reason.code #=> String, one of "INTERNAL_ERROR", "VALIDATION_ERROR", "INSTANCE_FAILURE", "BOOTSTRAP_FAILURE", "CLUSTER_TERMINATED"
resp.instances[0].status.state_change_reason.message #=> String
resp.instances[0].status.timeline.creation_date_time #=> Time
resp.instances[0].status.timeline.ready_date_time #=> Time
resp.instances[0].status.timeline.end_date_time #=> Time
resp.instances[0].instance_group_id #=> String
resp.instances[0].instance_fleet_id #=> String
resp.instances[0].market #=> String, one of "ON_DEMAND", "SPOT"
resp.instances[0].instance_type #=> String
resp.instances[0].ebs_volumes #=> Array
resp.instances[0].ebs_volumes[0].device #=> String
resp.instances[0].ebs_volumes[0].volume_id #=> String
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The identifier of the cluster for which to list the instances.

  • :instance_group_id (String) —

    The identifier of the instance group for which to list the instances.

  • :instance_group_types (Array<String>) —

    The type of instance group for which to list the instances.

  • :instance_fleet_id (String) —

    The unique identifier of the instance fleet.

  • :instance_fleet_type (String) —

    The node type of the instance fleet. For example MASTER, CORE, or TASK.

  • :instance_states (Array<String>) —

    A list of instance states that will filter the instances returned with this request.

  • :marker (String) —

    The pagination token that indicates the next set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1469

def list_instances(params = {}, options = {})
  req = build_request(:list_instances, params)
  req.send_request(options)
end

#list_security_configurations(params = {}) ⇒ Types::ListSecurityConfigurationsOutput

Lists all the security configurations visible to this account, providing their creation dates and times, and their names. This call returns a maximum of 50 clusters per call, but returns a marker to track the paging of the cluster list across multiple ListSecurityConfigurations calls.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_security_configurations({
  marker: "Marker",
})

Response structure


resp.security_configurations #=> Array
resp.security_configurations[0].name #=> String
resp.security_configurations[0].creation_date_time #=> Time
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :marker (String) —

    The pagination token that indicates the set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1507

def list_security_configurations(params = {}, options = {})
  req = build_request(:list_security_configurations, params)
  req.send_request(options)
end

#list_steps(params = {}) ⇒ Types::ListStepsOutput

Provides a list of steps for the cluster in reverse order unless you specify stepIds with the request of filter by StepStates. You can specify a maximum of ten stepIDs.

The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.

Examples:

Request syntax with placeholder values


resp = client.list_steps({
  cluster_id: "ClusterId", # required
  step_states: ["PENDING"], # accepts PENDING, CANCEL_PENDING, RUNNING, COMPLETED, CANCELLED, FAILED, INTERRUPTED
  step_ids: ["XmlString"],
  marker: "Marker",
})

Response structure


resp.steps #=> Array
resp.steps[0].id #=> String
resp.steps[0].name #=> String
resp.steps[0].config.jar #=> String
resp.steps[0].config.properties #=> Hash
resp.steps[0].config.properties["String"] #=> String
resp.steps[0].config.main_class #=> String
resp.steps[0].config.args #=> Array
resp.steps[0].config.args[0] #=> String
resp.steps[0].action_on_failure #=> String, one of "TERMINATE_JOB_FLOW", "TERMINATE_CLUSTER", "CANCEL_AND_WAIT", "CONTINUE"
resp.steps[0].status.state #=> String, one of "PENDING", "CANCEL_PENDING", "RUNNING", "COMPLETED", "CANCELLED", "FAILED", "INTERRUPTED"
resp.steps[0].status.state_change_reason.code #=> String, one of "NONE"
resp.steps[0].status.state_change_reason.message #=> String
resp.steps[0].status.failure_details.reason #=> String
resp.steps[0].status.failure_details.message #=> String
resp.steps[0].status.failure_details.log_file #=> String
resp.steps[0].status.timeline.creation_date_time #=> Time
resp.steps[0].status.timeline.start_date_time #=> Time
resp.steps[0].status.timeline.end_date_time #=> Time
resp.marker #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The identifier of the cluster for which to list the steps.

  • :step_states (Array<String>) —

    The filter to limit the step list based on certain states.

  • :step_ids (Array<String>) —

    The filter to limit the step list based on the identifier of the steps. You can specify a maximum of ten Step IDs. The character constraint applies to the overall length of the array.

  • :marker (String) —

    The pagination token that indicates the next set of results to retrieve.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1574

def list_steps(params = {}, options = {})
  req = build_request(:list_steps, params)
  req.send_request(options)
end

#modify_cluster(params = {}) ⇒ Types::ModifyClusterOutput

Modifies the number of steps that can be executed concurrently for the cluster specified using ClusterID.

Examples:

Request syntax with placeholder values


resp = client.modify_cluster({
  cluster_id: "String", # required
  step_concurrency_level: 1,
})

Response structure


resp.step_concurrency_level #=> Integer

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The unique identifier of the cluster.

  • :step_concurrency_level (Integer) —

    The number of steps that can be executed concurrently. You can specify a maximum of 256 steps.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1608

def modify_cluster(params = {}, options = {})
  req = build_request(:modify_cluster, params)
  req.send_request(options)
end

#modify_instance_fleet(params = {}) ⇒ Struct

Modifies the target On-Demand and target Spot capacities for the instance fleet with the specified InstanceFleetID within the cluster specified using ClusterID. The call either succeeds or fails atomically.

The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions.

Examples:

Request syntax with placeholder values


resp = client.modify_instance_fleet({
  cluster_id: "ClusterId", # required
  instance_fleet: { # required
    instance_fleet_id: "InstanceFleetId", # required
    target_on_demand_capacity: 1,
    target_spot_capacity: 1,
  },
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    The unique identifier of the cluster.

  • :instance_fleet (required, Types::InstanceFleetModifyConfig) —

    The unique identifier of the instance fleet.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1646

def modify_instance_fleet(params = {}, options = {})
  req = build_request(:modify_instance_fleet, params)
  req.send_request(options)
end

#modify_instance_groups(params = {}) ⇒ Struct

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.

Examples:

Request syntax with placeholder values


resp = client.modify_instance_groups({
  cluster_id: "ClusterId",
  instance_groups: [
    {
      instance_group_id: "XmlStringMaxLen256", # required
      instance_count: 1,
      ec2_instance_ids_to_terminate: ["InstanceId"],
      shrink_policy: {
        decommission_timeout: 1,
        instance_resize_policy: {
          instances_to_terminate: ["InstanceId"],
          instances_to_protect: ["InstanceId"],
          instance_termination_timeout: 1,
        },
      },
      configurations: [
        {
          classification: "String",
          configurations: {
            # recursive ConfigurationList
          },
          properties: {
            "String" => "String",
          },
        },
      ],
    },
  ],
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (String) —

    The ID of the cluster to which the instance group belongs.

  • :instance_groups (Array<Types::InstanceGroupModifyConfig>) —

    Instance groups to change.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1700

def modify_instance_groups(params = {}, options = {})
  req = build_request(:modify_instance_groups, params)
  req.send_request(options)
end

#put_auto_scaling_policy(params = {}) ⇒ Types::PutAutoScalingPolicyOutput

Creates or updates an automatic scaling policy for a core instance group or task instance group in an Amazon EMR cluster. The automatic scaling policy defines how an instance group dynamically adds and terminates EC2 instances in response to the value of a CloudWatch metric.

Examples:

Request syntax with placeholder values


resp = client.put_auto_scaling_policy({
  cluster_id: "ClusterId", # required
  instance_group_id: "InstanceGroupId", # required
  auto_scaling_policy: { # required
    constraints: { # required
      min_capacity: 1, # required
      max_capacity: 1, # required
    },
    rules: [ # required
      {
        name: "String", # required
        description: "String",
        action: { # required
          market: "ON_DEMAND", # accepts ON_DEMAND, SPOT
          simple_scaling_policy_configuration: { # required
            adjustment_type: "CHANGE_IN_CAPACITY", # accepts CHANGE_IN_CAPACITY, PERCENT_CHANGE_IN_CAPACITY, EXACT_CAPACITY
            scaling_adjustment: 1, # required
            cool_down: 1,
          },
        },
        trigger: { # required
          cloud_watch_alarm_definition: { # required
            comparison_operator: "GREATER_THAN_OR_EQUAL", # required, accepts GREATER_THAN_OR_EQUAL, GREATER_THAN, LESS_THAN, LESS_THAN_OR_EQUAL
            evaluation_periods: 1,
            metric_name: "String", # required
            namespace: "String",
            period: 1, # required
            statistic: "SAMPLE_COUNT", # accepts SAMPLE_COUNT, AVERAGE, SUM, MINIMUM, MAXIMUM
            threshold: 1.0, # required
            unit: "NONE", # accepts NONE, SECONDS, MICRO_SECONDS, MILLI_SECONDS, BYTES, KILO_BYTES, MEGA_BYTES, GIGA_BYTES, TERA_BYTES, BITS, KILO_BITS, MEGA_BITS, GIGA_BITS, TERA_BITS, PERCENT, COUNT, BYTES_PER_SECOND, KILO_BYTES_PER_SECOND, MEGA_BYTES_PER_SECOND, GIGA_BYTES_PER_SECOND, TERA_BYTES_PER_SECOND, BITS_PER_SECOND, KILO_BITS_PER_SECOND, MEGA_BITS_PER_SECOND, GIGA_BITS_PER_SECOND, TERA_BITS_PER_SECOND, COUNT_PER_SECOND
            dimensions: [
              {
                key: "String",
                value: "String",
              },
            ],
          },
        },
      },
    ],
  },
})

Response structure


resp.cluster_id #=> String
resp.instance_group_id #=> String
resp.auto_scaling_policy.status.state #=> String, one of "PENDING", "ATTACHING", "ATTACHED", "DETACHING", "DETACHED", "FAILED"
resp.auto_scaling_policy.status.state_change_reason.code #=> String, one of "USER_REQUEST", "PROVISION_FAILURE", "CLEANUP_FAILURE"
resp.auto_scaling_policy.status.state_change_reason.message #=> String
resp.auto_scaling_policy.constraints.min_capacity #=> Integer
resp.auto_scaling_policy.constraints.max_capacity #=> Integer
resp.auto_scaling_policy.rules #=> Array
resp.auto_scaling_policy.rules[0].name #=> String
resp.auto_scaling_policy.rules[0].description #=> String
resp.auto_scaling_policy.rules[0].action.market #=> String, one of "ON_DEMAND", "SPOT"
resp.auto_scaling_policy.rules[0].action.simple_scaling_policy_configuration.adjustment_type #=> String, one of "CHANGE_IN_CAPACITY", "PERCENT_CHANGE_IN_CAPACITY", "EXACT_CAPACITY"
resp.auto_scaling_policy.rules[0].action.simple_scaling_policy_configuration.scaling_adjustment #=> Integer
resp.auto_scaling_policy.rules[0].action.simple_scaling_policy_configuration.cool_down #=> Integer
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.comparison_operator #=> String, one of "GREATER_THAN_OR_EQUAL", "GREATER_THAN", "LESS_THAN", "LESS_THAN_OR_EQUAL"
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.evaluation_periods #=> Integer
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.metric_name #=> String
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.namespace #=> String
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.period #=> Integer
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.statistic #=> String, one of "SAMPLE_COUNT", "AVERAGE", "SUM", "MINIMUM", "MAXIMUM"
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.threshold #=> Float
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.unit #=> String, one of "NONE", "SECONDS", "MICRO_SECONDS", "MILLI_SECONDS", "BYTES", "KILO_BYTES", "MEGA_BYTES", "GIGA_BYTES", "TERA_BYTES", "BITS", "KILO_BITS", "MEGA_BITS", "GIGA_BITS", "TERA_BITS", "PERCENT", "COUNT", "BYTES_PER_SECOND", "KILO_BYTES_PER_SECOND", "MEGA_BYTES_PER_SECOND", "GIGA_BYTES_PER_SECOND", "TERA_BYTES_PER_SECOND", "BITS_PER_SECOND", "KILO_BITS_PER_SECOND", "MEGA_BITS_PER_SECOND", "GIGA_BITS_PER_SECOND", "TERA_BITS_PER_SECOND", "COUNT_PER_SECOND"
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.dimensions #=> Array
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.dimensions[0].key #=> String
resp.auto_scaling_policy.rules[0].trigger.cloud_watch_alarm_definition.dimensions[0].value #=> String
resp.cluster_arn #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    Specifies the ID of a cluster. The instance group to which the automatic scaling policy is applied is within this cluster.

  • :instance_group_id (required, String) —

    Specifies the ID of the instance group to which the automatic scaling policy is applied.

  • :auto_scaling_policy (required, Types::AutoScalingPolicy) —

    Specifies the definition of the automatic scaling policy.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1807

def put_auto_scaling_policy(params = {}, options = {})
  req = build_request(:put_auto_scaling_policy, params)
  req.send_request(options)
end

#put_block_public_access_configuration(params = {}) ⇒ Struct

Creates or updates an Amazon EMR block public access configuration for your AWS account in the current Region. For more information see Configure Block Public Access for Amazon EMR in the Amazon EMR Management Guide.

Examples:

Request syntax with placeholder values


resp = client.put_block_public_access_configuration({
  block_public_access_configuration: { # required
    block_public_security_group_rules: false, # required
    permitted_public_security_group_rule_ranges: [
      {
        min_range: 1, # required
        max_range: 1,
      },
    ],
  },
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :block_public_access_configuration (required, Types::BlockPublicAccessConfiguration) —

    A configuration for Amazon EMR block public access. The configuration applies to all clusters created in your account for the current Region. The configuration specifies whether block public access is enabled. If block public access is enabled, security groups associated with the cluster cannot have rules that allow inbound traffic from 0.0.0.0/0 or ::/0 on a port, unless the port is specified as an exception using PermittedPublicSecurityGroupRuleRanges in the BlockPublicAccessConfiguration. By default, Port 22 (SSH) is an exception, and public access is allowed on this port. You can change this by updating BlockPublicSecurityGroupRules to remove the exception.

    For accounts that created clusters in a Region before November 25, 2019, block public access is disabled by default in that Region. To use this feature, you must manually enable and configure it. For accounts that did not create an EMR cluster in a Region before this date, block public access is enabled by default in that Region.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1862

def put_block_public_access_configuration(params = {}, options = {})
  req = build_request(:put_block_public_access_configuration, params)
  req.send_request(options)
end

#put_managed_scaling_policy(params = {}) ⇒ Struct

Creates or updates a managed scaling policy for an Amazon EMR cluster. The managed scaling policy defines the limits for resources, such as EC2 instances that can be added or terminated from a cluster. The policy only applies to the core and task nodes. The master node cannot be scaled after initial configuration.

Examples:

Request syntax with placeholder values


resp = client.put_managed_scaling_policy({
  cluster_id: "ClusterId", # required
  managed_scaling_policy: { # required
    compute_limits: {
      unit_type: "InstanceFleetUnits", # required, accepts InstanceFleetUnits, Instances, VCPU
      minimum_capacity_units: 1, # required
      maximum_capacity_units: 1, # required
      maximum_on_demand_capacity_units: 1,
    },
  },
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    Specifies the ID of an EMR cluster where the managed scaling policy is attached.

  • :managed_scaling_policy (required, Types::ManagedScalingPolicy) —

    Specifies the constraints for the managed scaling policy.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1900

def put_managed_scaling_policy(params = {}, options = {})
  req = build_request(:put_managed_scaling_policy, params)
  req.send_request(options)
end

#remove_auto_scaling_policy(params = {}) ⇒ Struct

Removes an automatic scaling policy from a specified instance group within an EMR cluster.

Examples:

Request syntax with placeholder values


resp = client.remove_auto_scaling_policy({
  cluster_id: "ClusterId", # required
  instance_group_id: "InstanceGroupId", # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    Specifies the ID of a cluster. The instance group to which the automatic scaling policy is applied is within this cluster.

  • :instance_group_id (required, String) —

    Specifies the ID of the instance group to which the scaling policy is applied.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1929

def remove_auto_scaling_policy(params = {}, options = {})
  req = build_request(:remove_auto_scaling_policy, params)
  req.send_request(options)
end

#remove_managed_scaling_policy(params = {}) ⇒ Struct

Removes a managed scaling policy from a specified EMR cluster.

Examples:

Request syntax with placeholder values


resp = client.remove_managed_scaling_policy({
  cluster_id: "ClusterId", # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :cluster_id (required, String) —

    Specifies the ID of the cluster from which the managed scaling policy will be removed.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1952

def remove_managed_scaling_policy(params = {}, options = {})
  req = build_request(:remove_managed_scaling_policy, params)
  req.send_request(options)
end

#remove_tags(params = {}) ⇒ Struct

Removes tags from an Amazon EMR resource. Tags make it easier to associate clusters in various ways, such as grouping clusters to track your Amazon EMR resource allocation costs. For more information, see Tag Clusters.

The following example removes the stack tag with value Prod from a cluster:

Examples:

Request syntax with placeholder values


resp = client.remove_tags({
  resource_id: "ResourceId", # required
  tag_keys: ["String"], # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :resource_id (required, String) —

    The Amazon EMR resource identifier from which tags will be removed. This value must be a cluster identifier.

  • :tag_keys (required, Array<String>) —

    A list of tag keys to remove from a resource.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1989

def remove_tags(params = {}, options = {})
  req = build_request(:remove_tags, params)
  req.send_request(options)
end

#run_job_flow(params = {}) ⇒ Types::RunJobFlowOutput

RunJobFlow creates and starts running a new cluster (job flow). The cluster runs the steps specified. After the steps complete, the cluster stops 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 JobFlowInstancesConfig KeepJobFlowAliveWhenNoSteps parameter is set to TRUE, the cluster transitions to the WAITING state rather than shutting down after the steps have completed.

For additional protection, you can set the JobFlowInstancesConfig TerminationProtected parameter to TRUE to lock the cluster 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 cluster 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, see Add More than 256 Steps to a Cluster in the Amazon EMR Management Guide.

For long running clusters, we recommend that you periodically store your results.

The instance fleets configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions. The RunJobFlow request can contain InstanceFleets parameters or InstanceGroups parameters, but not both.

Examples:

Request syntax with placeholder values


resp = client.run_job_flow({
  name: "XmlStringMaxLen256", # required
  log_uri: "XmlString",
  additional_info: "XmlString",
  ami_version: "XmlStringMaxLen256",
  release_label: "XmlStringMaxLen256",
  instances: { # required
    master_instance_type: "InstanceType",
    slave_instance_type: "InstanceType",
    instance_count: 1,
    instance_groups: [
      {
        name: "XmlStringMaxLen256",
        market: "ON_DEMAND", # accepts ON_DEMAND, SPOT
        instance_role: "MASTER", # required, accepts MASTER, CORE, TASK
        bid_price: "XmlStringMaxLen256",
        instance_type: "InstanceType", # required
        instance_count: 1, # required
        configurations: [
          {
            classification: "String",
            configurations: {
              # recursive ConfigurationList
            },
            properties: {
              "String" => "String",
            },
          },
        ],
        ebs_configuration: {
          ebs_block_device_configs: [
            {
              volume_specification: { # required
                volume_type: "String", # required
                iops: 1,
                size_in_gb: 1, # required
              },
              volumes_per_instance: 1,
            },
          ],
          ebs_optimized: false,
        },
        auto_scaling_policy: {
          constraints: { # required
            min_capacity: 1, # required
            max_capacity: 1, # required
          },
          rules: [ # required
            {
              name: "String", # required
              description: "String",
              action: { # required
                market: "ON_DEMAND", # accepts ON_DEMAND, SPOT
                simple_scaling_policy_configuration: { # required
                  adjustment_type: "CHANGE_IN_CAPACITY", # accepts CHANGE_IN_CAPACITY, PERCENT_CHANGE_IN_CAPACITY, EXACT_CAPACITY
                  scaling_adjustment: 1, # required
                  cool_down: 1,
                },
              },
              trigger: { # required
                cloud_watch_alarm_definition: { # required
                  comparison_operator: "GREATER_THAN_OR_EQUAL", # required, accepts GREATER_THAN_OR_EQUAL, GREATER_THAN, LESS_THAN, LESS_THAN_OR_EQUAL
                  evaluation_periods: 1,
                  metric_name: "String", # required
                  namespace: "String",
                  period: 1, # required
                  statistic: "SAMPLE_COUNT", # accepts SAMPLE_COUNT, AVERAGE, SUM, MINIMUM, MAXIMUM
                  threshold: 1.0, # required
                  unit: "NONE", # accepts NONE, SECONDS, MICRO_SECONDS, MILLI_SECONDS, BYTES, KILO_BYTES, MEGA_BYTES, GIGA_BYTES, TERA_BYTES, BITS, KILO_BITS, MEGA_BITS, GIGA_BITS, TERA_BITS, PERCENT, COUNT, BYTES_PER_SECOND, KILO_BYTES_PER_SECOND, MEGA_BYTES_PER_SECOND, GIGA_BYTES_PER_SECOND, TERA_BYTES_PER_SECOND, BITS_PER_SECOND, KILO_BITS_PER_SECOND, MEGA_BITS_PER_SECOND, GIGA_BITS_PER_SECOND, TERA_BITS_PER_SECOND, COUNT_PER_SECOND
                  dimensions: [
                    {
                      key: "String",
                      value: "String",
                    },
                  ],
                },
              },
            },
          ],
        },
      },
    ],
    instance_fleets: [
      {
        name: "XmlStringMaxLen256",
        instance_fleet_type: "MASTER", # required, accepts MASTER, CORE, TASK
        target_on_demand_capacity: 1,
        target_spot_capacity: 1,
        instance_type_configs: [
          {
            instance_type: "InstanceType", # required
            weighted_capacity: 1,
            bid_price: "XmlStringMaxLen256",
            bid_price_as_percentage_of_on_demand_price: 1.0,
            ebs_configuration: {
              ebs_block_device_configs: [
                {
                  volume_specification: { # required
                    volume_type: "String", # required
                    iops: 1,
                    size_in_gb: 1, # required
                  },
                  volumes_per_instance: 1,
                },
              ],
              ebs_optimized: false,
            },
            configurations: [
              {
                classification: "String",
                configurations: {
                  # recursive ConfigurationList
                },
                properties: {
                  "String" => "String",
                },
              },
            ],
          },
        ],
        launch_specifications: {
          spot_specification: { # required
            timeout_duration_minutes: 1, # required
            timeout_action: "SWITCH_TO_ON_DEMAND", # required, accepts SWITCH_TO_ON_DEMAND, TERMINATE_CLUSTER
            block_duration_minutes: 1,
          },
        },
      },
    ],
    ec2_key_name: "XmlStringMaxLen256",
    placement: {
      availability_zone: "XmlString",
      availability_zones: ["XmlStringMaxLen256"],
    },
    keep_job_flow_alive_when_no_steps: false,
    termination_protected: false,
    hadoop_version: "XmlStringMaxLen256",
    ec2_subnet_id: "XmlStringMaxLen256",
    ec2_subnet_ids: ["XmlStringMaxLen256"],
    emr_managed_master_security_group: "XmlStringMaxLen256",
    emr_managed_slave_security_group: "XmlStringMaxLen256",
    service_access_security_group: "XmlStringMaxLen256",
    additional_master_security_groups: ["XmlStringMaxLen256"],
    additional_slave_security_groups: ["XmlStringMaxLen256"],
  },
  steps: [
    {
      name: "XmlStringMaxLen256", # required
      action_on_failure: "TERMINATE_JOB_FLOW", # accepts TERMINATE_JOB_FLOW, TERMINATE_CLUSTER, CANCEL_AND_WAIT, CONTINUE
      hadoop_jar_step: { # required
        properties: [
          {
            key: "XmlString",
            value: "XmlString",
          },
        ],
        jar: "XmlString", # required
        main_class: "XmlString",
        args: ["XmlString"],
      },
    },
  ],
  bootstrap_actions: [
    {
      name: "XmlStringMaxLen256", # required
      script_bootstrap_action: { # required
        path: "XmlString", # required
        args: ["XmlString"],
      },
    },
  ],
  supported_products: ["XmlStringMaxLen256"],
  new_supported_products: [
    {
      name: "XmlStringMaxLen256",
      args: ["XmlString"],
    },
  ],
  applications: [
    {
      name: "String",
      version: "String",
      args: ["String"],
      additional_info: {
        "String" => "String",
      },
    },
  ],
  configurations: [
    {
      classification: "String",
      configurations: {
        # recursive ConfigurationList
      },
      properties: {
        "String" => "String",
      },
    },
  ],
  visible_to_all_users: false,
  job_flow_role: "XmlString",
  service_role: "XmlString",
  tags: [
    {
      key: "String",
      value: "String",
    },
  ],
  security_configuration: "XmlString",
  auto_scaling_role: "XmlString",
  scale_down_behavior: "TERMINATE_AT_INSTANCE_HOUR", # accepts TERMINATE_AT_INSTANCE_HOUR, TERMINATE_AT_TASK_COMPLETION
  custom_ami_id: "XmlStringMaxLen256",
  ebs_root_volume_size: 1,
  repo_upgrade_on_boot: "SECURITY", # accepts SECURITY, NONE
  kerberos_attributes: {
    realm: "XmlStringMaxLen256", # required
    kdc_admin_password: "XmlStringMaxLen256", # required
    cross_realm_trust_principal_password: "XmlStringMaxLen256",
    ad_domain_join_user: "XmlStringMaxLen256",
    ad_domain_join_password: "XmlStringMaxLen256",
  },
  step_concurrency_level: 1,
  managed_scaling_policy: {
    compute_limits: {
      unit_type: "InstanceFleetUnits", # required, accepts InstanceFleetUnits, Instances, VCPU
      minimum_capacity_units: 1, # required
      maximum_capacity_units: 1, # required
      maximum_on_demand_capacity_units: 1,
    },
  },
})

Response structure


resp.job_flow_id #=> String
resp.cluster_arn #=> String

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :name (required, String) —

    The name of the job flow.

  • :log_uri (String) —

    The location in Amazon S3 to write the log files of the job flow. If a value is not provided, logs are not created.

  • :additional_info (String) —

    A JSON string for selecting additional features.

  • :ami_version (String) —

    Applies only to Amazon EMR AMI versions 3.x and 2.x. For Amazon EMR releases 4.0 and later, ReleaseLabel is used. To specify a custom AMI, use CustomAmiID.

  • :release_label (String) —

    The Amazon EMR release label, which determines the version of open-source application packages installed on the cluster. Release labels are in the form emr-x.x.x, where x.x.x is an Amazon EMR release version such as emr-5.14.0. For more information about Amazon EMR release versions and included application versions and features, see https://docs.aws.amazon.com/emr/latest/ReleaseGuide/. The release label applies only to Amazon EMR releases version 4.0 and later. Earlier versions use AmiVersion.

  • :instances (required, Types::JobFlowInstancesConfig) —

    A specification of the number and type of Amazon EC2 instances.

  • :steps (Array<Types::StepConfig>) —

    A list of steps to run.

  • :bootstrap_actions (Array<Types::BootstrapActionConfig>) —

    A list of bootstrap actions to run before Hadoop starts on the cluster nodes.

  • :supported_products (Array<String>) —

    For Amazon EMR releases 3.x and 2.x. For Amazon EMR releases 4.x and later, use Applications.

    A list of strings that indicates third-party software to use. For more information, see the Amazon EMR Developer Guide. Currently supported values are:

    • "mapr-m3" - launch the job flow using MapR M3 Edition.

    • "mapr-m5" - launch the job flow using MapR M5 Edition.

  • :new_supported_products (Array<Types::SupportedProductConfig>) —

    For Amazon EMR releases 3.x and 2.x. For Amazon EMR releases 4.x and later, use Applications.

    A list of strings that indicates third-party software to use with the job flow that accepts a user argument list. EMR accepts and forwards the argument list to the corresponding installation script as bootstrap action arguments. For more information, see "Launch a Job Flow on the MapR Distribution for Hadoop" in the Amazon EMR Developer Guide. Supported values are:

    • "mapr-m3" - launch the cluster using MapR M3 Edition.

    • "mapr-m5" - launch the cluster using MapR M5 Edition.

    • "mapr" with the user arguments specifying "--edition,m3" or "--edition,m5" - launch the job flow using MapR M3 or M5 Edition respectively.

    • "mapr-m7" - launch the cluster using MapR M7 Edition.

    • "hunk" - launch the cluster with the Hunk Big Data Analtics Platform.

    • "hue"- launch the cluster with Hue installed.

    • "spark" - launch the cluster with Apache Spark installed.

    • "ganglia" - launch the cluster with the Ganglia Monitoring System installed.

  • :applications (Array<Types::Application>) —

    Applies to Amazon EMR releases 4.0 and later. A case-insensitive list of applications for Amazon EMR to install and configure when launching the cluster. For a list of applications available for each Amazon EMR release version, see the Amazon EMR Release Guide.

  • :configurations (Array<Types::Configuration>) —

    For Amazon EMR releases 4.0 and later. The list of configurations supplied for the EMR cluster you are creating.

  • :visible_to_all_users (Boolean) —

    A value of true indicates that all IAM users in the AWS account can perform cluster actions if they have the proper IAM policy permissions. This is the default. A value of false indicates that only the IAM user who created the cluster can perform actions.

  • :job_flow_role (String) —

    Also called instance profile and EC2 role. An IAM role for an EMR cluster. The EC2 instances of the cluster assume this role. The default role is EMR_EC2_DefaultRole. In order to use the default role, you must have already created it using the CLI or console.

  • :service_role (String) —

    The IAM role that will be assumed by the Amazon EMR service to access AWS resources on your behalf.

  • :tags (Array<Types::Tag>) —

    A list of tags to associate with a cluster and propagate to Amazon EC2 instances.

  • :security_configuration (String) —

    The name of a security configuration to apply to the cluster.

  • :auto_scaling_role (String) —

    An IAM role for automatic scaling policies. The default role is EMR_AutoScaling_DefaultRole. The IAM role provides permissions that the automatic scaling feature requires to launch and terminate EC2 instances in an instance group.

  • :scale_down_behavior (String) —

    Specifies the way that individual Amazon EC2 instances terminate when an automatic scale-in activity occurs or an instance group is resized. TERMINATE_AT_INSTANCE_HOUR indicates that Amazon EMR terminates nodes at the instance-hour boundary, regardless of when the request to terminate the instance was submitted. This option is only available with Amazon EMR 5.1.0 and later and is the default for clusters created using that version. TERMINATE_AT_TASK_COMPLETION indicates that Amazon EMR blacklists and drains tasks from nodes before terminating the Amazon EC2 instances, regardless of the instance-hour boundary. With either behavior, Amazon EMR removes the least active nodes first and blocks instance termination if it could lead to HDFS corruption. TERMINATE_AT_TASK_COMPLETION available only in Amazon EMR version 4.1.0 and later, and is the default for versions of Amazon EMR earlier than 5.1.0.

  • :custom_ami_id (String) —

    Available only in Amazon EMR version 5.7.0 and later. The ID of a custom Amazon EBS-backed Linux AMI. If specified, Amazon EMR uses this AMI when it launches cluster EC2 instances. For more information about custom AMIs in Amazon EMR, see Using a Custom AMI in the Amazon EMR Management Guide. If omitted, the cluster uses the base Linux AMI for the ReleaseLabel specified. For Amazon EMR versions 2.x and 3.x, use AmiVersion instead.

    For information about creating a custom AMI, see Creating an Amazon EBS-Backed Linux AMI in the Amazon Elastic Compute Cloud User Guide for Linux Instances. For information about finding an AMI ID, see Finding a Linux AMI.

  • :ebs_root_volume_size (Integer) —

    The size, in GiB, of the EBS root device volume of the Linux AMI that is used for each EC2 instance. Available in Amazon EMR version 4.x and later.

  • :repo_upgrade_on_boot (String) —

    Applies only when CustomAmiID is used. Specifies which updates from the Amazon Linux AMI package repositories to apply automatically when the instance boots using the AMI. If omitted, the default is SECURITY, which indicates that only security updates are applied. If NONE is specified, no updates are applied, and all updates must be applied manually.

  • :kerberos_attributes (Types::KerberosAttributes) —

    Attributes for Kerberos configuration when Kerberos authentication is enabled using a security configuration. For more information see Use Kerberos Authentication in the EMR Management Guide.

  • :step_concurrency_level (Integer) —

    Specifies the number of steps that can be executed concurrently. The default value is 1. The maximum value is 256.

  • :managed_scaling_policy (Types::ManagedScalingPolicy) —

    The specified managed scaling policy for an Amazon EMR cluster.

Returns:

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2482

def run_job_flow(params = {}, options = {})
  req = build_request(:run_job_flow, params)
  req.send_request(options)
end

#set_termination_protection(params = {}) ⇒ Struct

SetTerminationProtection locks a cluster (job flow) so the 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 cluster is similar to calling the Amazon EC2 DisableAPITermination API on all EC2 instances in a cluster.

SetTerminationProtection is used to prevent accidental termination of a cluster and to ensure that in the event of an error, the instances persist so that you can recover any data stored in their ephemeral instance storage.

To terminate a cluster that has been locked by setting SetTerminationProtection to true, you must first unlock the job flow by a subsequent call to SetTerminationProtection in which you set the value to false.

For more information, seeManaging Cluster Termination in the Amazon EMR Management Guide.

Examples:

Request syntax with placeholder values


resp = client.set_termination_protection({
  job_flow_ids: ["XmlString"], # required
  termination_protected: false, # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :job_flow_ids (required, Array<String>) —

    A list of strings that uniquely identify the clusters to protect. This identifier is returned by RunJobFlow and can also be obtained from DescribeJobFlows .

  • :termination_protected (required, Boolean) —

    A Boolean that indicates whether to protect the cluster and prevent the Amazon EC2 instances in the cluster from shutting down due to API calls, user intervention, or job-flow error.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2535

def set_termination_protection(params = {}, options = {})
  req = build_request(:set_termination_protection, params)
  req.send_request(options)
end

#set_visible_to_all_users(params = {}) ⇒ Struct

Sets the Cluster$VisibleToAllUsers value, which determines whether the cluster is visible to all IAM users of the AWS account associated with the cluster. Only the IAM user who created the cluster or the AWS account root user can call this action. The default value, true, indicates that all IAM users in the AWS account can perform cluster actions if they have the proper IAM policy permissions. If set to false, only the IAM user that created the cluster can perform actions. This action works on running clusters. You can override the default true setting when you create a cluster by using the VisibleToAllUsers parameter with RunJobFlow.

Examples:

Request syntax with placeholder values


resp = client.set_visible_to_all_users({
  job_flow_ids: ["XmlString"], # required
  visible_to_all_users: false, # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :job_flow_ids (required, Array<String>) —

    The unique identifier of the job flow (cluster).

  • :visible_to_all_users (required, Boolean) —

    A value of true indicates that all IAM users in the AWS account can perform cluster actions if they have the proper IAM policy permissions. This is the default. A value of false indicates that only the IAM user who created the cluster can perform actions.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2573

def set_visible_to_all_users(params = {}, options = {})
  req = build_request(:set_visible_to_all_users, params)
  req.send_request(options)
end

#terminate_job_flows(params = {}) ⇒ Struct

TerminateJobFlows shuts a list of clusters (job flows) down. When a job flow is shut down, any step not yet completed is canceled and the EC2 instances on which the cluster is running are stopped. Any log files not already saved are uploaded to Amazon S3 if a LogUri was specified when the cluster was created.

The maximum number of clusters allowed is 10. The call to TerminateJobFlows is asynchronous. Depending on the configuration of the cluster, it may take up to 1-5 minutes for the cluster to completely terminate and release allocated resources, such as Amazon EC2 instances.

Examples:

Request syntax with placeholder values


resp = client.terminate_job_flows({
  job_flow_ids: ["XmlString"], # required
})

Parameters:

  • params (Hash) (defaults to: {}) —

    ({})

Options Hash (params):

  • :job_flow_ids (required, Array<String>) —

    A list of job flows to be shutdown.

Returns:

  • (Struct) —

    Returns an empty response.

See Also:



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2605

def terminate_job_flows(params = {}, options = {})
  req = build_request(:terminate_job_flows, params)
  req.send_request(options)
end

#wait_until(waiter_name, params = {}, options = {}) {|w.waiter| ... } ⇒ Boolean

Polls an API operation until a resource enters a desired state.

Basic Usage

A waiter will call an API operation until:

  • It is successful
  • It enters a terminal state
  • It makes the maximum number of attempts

In between attempts, the waiter will sleep.

# polls in a loop, sleeping between attempts
client.wait_until(waiter_name, params)

Configuration

You can configure the maximum number of polling attempts, and the delay (in seconds) between each polling attempt. You can pass configuration as the final arguments hash.

# poll for ~25 seconds
client.wait_until(waiter_name, params, {
  max_attempts: 5,
  delay: 5,
})

Callbacks

You can be notified before each polling attempt and before each delay. If you throw :success or :failure from these callbacks, it will terminate the waiter.

started_at = Time.now
client.wait_until(waiter_name, params, {

  # disable max attempts
  max_attempts: nil,

  # poll for 1 hour, instead of a number of attempts
  before_wait: -> (attempts, response) do
    throw :failure if Time.now - started_at > 3600
  end
})

Handling Errors

When a waiter is unsuccessful, it will raise an error. All of the failure errors extend from Waiters::Errors::WaiterFailed.

begin
  client.wait_until(...)
rescue Aws::Waiters::Errors::WaiterFailed
  # resource did not enter the desired state in time
end

Valid Waiters

The following table lists the valid waiter names, the operations they call, and the default :delay and :max_attempts values.

waiter_name params :delay :max_attempts
cluster_running #describe_cluster 30 60
cluster_terminated #describe_cluster 30 60
step_complete #describe_step 30 60

Parameters:

  • waiter_name (Symbol)
  • params (Hash) (defaults to: {}) —

    ({})

  • options (Hash) (defaults to: {}) —

    ({})

Options Hash (options):

  • :max_attempts (Integer)
  • :delay (Integer)
  • :before_attempt (Proc)
  • :before_wait (Proc)

Yields:

  • (w.waiter)

Returns:

  • (Boolean) —

    Returns true if the waiter was successful.

Raises:

  • (Errors::FailureStateError) —

    Raised when the waiter terminates because the waiter has entered a state that it will not transition out of, preventing success.

  • (Errors::TooManyAttemptsError) —

    Raised when the configured maximum number of attempts have been made, and the waiter is not yet successful.

  • (Errors::UnexpectedError) —

    Raised when an error is encounted while polling for a resource that is not expected.

  • (Errors::NoSuchWaiterError) —

    Raised when you request to wait for an unknown state.



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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2717

def wait_until(waiter_name, params = {}, options = {})
  w = waiter(waiter_name, options)
  yield(w.waiter) if block_given? # deprecated
  w.wait(params)
end