Class: Aws::EMR::Client
- Inherits:
-
Seahorse::Client::Base
- Object
- Seahorse::Client::Base
- Aws::EMR::Client
- 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
API Operations collapse
-
#add_instance_fleet(params = {}) ⇒ Types::AddInstanceFleetOutput
Adds an instance fleet to a running cluster.
-
#add_instance_groups(params = {}) ⇒ Types::AddInstanceGroupsOutput
Adds one or more instance groups to a running cluster.
-
#add_job_flow_steps(params = {}) ⇒ Types::AddJobFlowStepsOutput
AddJobFlowSteps adds new steps to a running cluster.
-
#add_tags(params = {}) ⇒ Struct
Adds tags to an Amazon EMR resource, such as a cluster or an Amazon EMR Studio.
-
#cancel_steps(params = {}) ⇒ Types::CancelStepsOutput
Cancels a pending step or steps in a running cluster.
-
#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.
-
#create_studio(params = {}) ⇒ Types::CreateStudioOutput
Creates a new Amazon EMR Studio.
-
#create_studio_session_mapping(params = {}) ⇒ Struct
Maps a user or group to the Amazon EMR Studio specified by
StudioId
, and applies a session policy to refine Studio permissions for that user or group. -
#delete_security_configuration(params = {}) ⇒ Struct
Deletes a security configuration.
-
#delete_studio(params = {}) ⇒ Struct
Removes an Amazon EMR Studio from the Studio metadata store.
-
#delete_studio_session_mapping(params = {}) ⇒ Struct
Removes a user or group from an Amazon EMR Studio.
-
#describe_cluster(params = {}) ⇒ Types::DescribeClusterOutput
Provides cluster-level details including status, hardware and software configuration, VPC settings, and so on.
-
#describe_job_flows(params = {}) ⇒ Types::DescribeJobFlowsOutput
This API is no longer supported and will eventually be removed.
-
#describe_notebook_execution(params = {}) ⇒ Types::DescribeNotebookExecutionOutput
Provides details of a notebook execution.
-
#describe_release_label(params = {}) ⇒ Types::DescribeReleaseLabelOutput
Provides Amazon EMR release label details, such as the releases available the Region where the API request is run, and the available applications for a specific Amazon EMR release label.
-
#describe_security_configuration(params = {}) ⇒ Types::DescribeSecurityConfigurationOutput
Provides the details of a security configuration by returning the configuration JSON.
-
#describe_step(params = {}) ⇒ Types::DescribeStepOutput
Provides more detail about the cluster step.
-
#describe_studio(params = {}) ⇒ Types::DescribeStudioOutput
Returns details for the specified Amazon EMR Studio including ID, Name, VPC, Studio access URL, and so on.
-
#get_auto_termination_policy(params = {}) ⇒ Types::GetAutoTerminationPolicyOutput
Returns the auto-termination policy for an Amazon EMR cluster.
-
#get_block_public_access_configuration(params = {}) ⇒ Types::GetBlockPublicAccessConfigurationOutput
Returns the Amazon EMR block public access configuration for your Amazon Web Services account in the current Region.
-
#get_cluster_session_credentials(params = {}) ⇒ Types::GetClusterSessionCredentialsOutput
Provides temporary, HTTP basic credentials that are associated with a given runtime IAM role and used by a cluster with fine-grained access control activated.
-
#get_managed_scaling_policy(params = {}) ⇒ Types::GetManagedScalingPolicyOutput
Fetches the attached managed scaling policy for an Amazon EMR cluster.
-
#get_studio_session_mapping(params = {}) ⇒ Types::GetStudioSessionMappingOutput
Fetches mapping details for the specified Amazon EMR Studio and identity (user or group).
-
#list_bootstrap_actions(params = {}) ⇒ Types::ListBootstrapActionsOutput
Provides information about the bootstrap actions associated with a cluster.
-
#list_clusters(params = {}) ⇒ Types::ListClustersOutput
Provides the status of all clusters visible to this Amazon Web Services account.
-
#list_instance_fleets(params = {}) ⇒ Types::ListInstanceFleetsOutput
Lists all available details about the instance fleets in a cluster.
-
#list_instance_groups(params = {}) ⇒ Types::ListInstanceGroupsOutput
Provides all available details about the instance groups in a cluster.
-
#list_instances(params = {}) ⇒ Types::ListInstancesOutput
Provides information for all active Amazon EC2 instances and Amazon EC2 instances terminated in the last 30 days, up to a maximum of 2,000.
-
#list_notebook_executions(params = {}) ⇒ Types::ListNotebookExecutionsOutput
Provides summaries of all notebook executions.
-
#list_release_labels(params = {}) ⇒ Types::ListReleaseLabelsOutput
Retrieves release labels of Amazon EMR services in the Region where the API is called.
-
#list_security_configurations(params = {}) ⇒ Types::ListSecurityConfigurationsOutput
Lists all the security configurations visible to this account, providing their creation dates and times, and their names.
-
#list_steps(params = {}) ⇒ Types::ListStepsOutput
Provides a list of steps for the cluster in reverse order unless you specify
stepIds
with the request or filter byStepStates
. -
#list_studio_session_mappings(params = {}) ⇒ Types::ListStudioSessionMappingsOutput
Returns a list of all user or group session mappings for the Amazon EMR Studio specified by
StudioId
. -
#list_studios(params = {}) ⇒ Types::ListStudiosOutput
Returns a list of all Amazon EMR Studios associated with the Amazon Web Services account.
-
#list_supported_instance_types(params = {}) ⇒ Types::ListSupportedInstanceTypesOutput
A list of the instance types that Amazon EMR supports.
-
#modify_cluster(params = {}) ⇒ Types::ModifyClusterOutput
Modifies the number of steps that can be executed concurrently for the cluster specified using ClusterID.
-
#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.
-
#modify_instance_groups(params = {}) ⇒ Struct
ModifyInstanceGroups modifies the number of nodes and configuration settings of an instance group.
-
#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.
-
#put_auto_termination_policy(params = {}) ⇒ Struct
Auto-termination is supported in Amazon EMR releases 5.30.0 and 6.1.0 and later. -
#put_block_public_access_configuration(params = {}) ⇒ Struct
Creates or updates an Amazon EMR block public access configuration for your Amazon Web Services account in the current Region.
-
#put_managed_scaling_policy(params = {}) ⇒ Struct
Creates or updates a managed scaling policy for an Amazon EMR cluster.
-
#remove_auto_scaling_policy(params = {}) ⇒ Struct
Removes an automatic scaling policy from a specified instance group within an Amazon EMR cluster.
-
#remove_auto_termination_policy(params = {}) ⇒ Struct
Removes an auto-termination policy from an Amazon EMR cluster.
-
#remove_managed_scaling_policy(params = {}) ⇒ Struct
Removes a managed scaling policy from a specified Amazon EMR cluster.
-
#remove_tags(params = {}) ⇒ Struct
Removes tags from an Amazon EMR resource, such as a cluster or Amazon EMR Studio.
-
#run_job_flow(params = {}) ⇒ Types::RunJobFlowOutput
RunJobFlow creates and starts running a new cluster (job flow).
-
#set_termination_protection(params = {}) ⇒ Struct
SetTerminationProtection locks a cluster (job flow) so the Amazon EC2 instances in the cluster cannot be terminated by user intervention, an API call, or in the event of a job-flow error.
-
#set_visible_to_all_users(params = {}) ⇒ Struct
The SetVisibleToAllUsers parameter is no longer supported.
-
#start_notebook_execution(params = {}) ⇒ Types::StartNotebookExecutionOutput
Starts a notebook execution.
-
#stop_notebook_execution(params = {}) ⇒ Struct
Stops a notebook execution.
-
#terminate_job_flows(params = {}) ⇒ Struct
TerminateJobFlows shuts a list of clusters (job flows) down.
-
#update_studio(params = {}) ⇒ Struct
Updates an Amazon EMR Studio configuration, including attributes such as name, description, and subnets.
-
#update_studio_session_mapping(params = {}) ⇒ Struct
Updates the session policy attached to the user or group for the specified Amazon EMR Studio.
Instance Method Summary collapse
-
#initialize(options) ⇒ Client
constructor
A new instance of Client.
-
#wait_until(waiter_name, params = {}, options = {}) {|w.waiter| ... } ⇒ Boolean
Polls an API operation until a resource enters a desired state.
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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 395 def initialize(*args) super end |
Instance Method Details
#add_instance_fleet(params = {}) ⇒ Types::AddInstanceFleetOutput
Adds an instance fleet to a running cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 500 def add_instance_fleet(params = {}, = {}) req = build_request(:add_instance_fleet, params) req.send_request() end |
#add_instance_groups(params = {}) ⇒ Types::AddInstanceGroupsOutput
Adds one or more instance groups to a running cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 610 def add_instance_groups(params = {}, = {}) req = build_request(:add_instance_groups, params) req.send_request() 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.
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.
HadoopJarStep
object cannot exceed a
total of 10240 characters.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 697 def add_job_flow_steps(params = {}, = {}) req = build_request(:add_job_flow_steps, params) req.send_request() end |
#add_tags(params = {}) ⇒ Struct
Adds tags to an Amazon EMR resource, such as a cluster or an Amazon EMR Studio. Tags make it easier to associate resources in various ways, such as grouping clusters to track your Amazon EMR resource allocation costs. For more information, see Tag Clusters.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 739 def (params = {}, = {}) req = build_request(:add_tags, params) req.send_request() 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 that
a step will be canceled, even if the request is successfully
submitted. When you use Amazon EMR releases 5.28.0 and later, you can
cancel steps that are in a PENDING
or RUNNING
state. In earlier
versions of Amazon EMR, you can only cancel steps that are in a
PENDING
state.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 789 def cancel_steps(params = {}, = {}) req = build_request(:cancel_steps, params) req.send_request() 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 830 def create_security_configuration(params = {}, = {}) req = build_request(:create_security_configuration, params) req.send_request() end |
#create_studio(params = {}) ⇒ Types::CreateStudioOutput
Creates a new Amazon EMR Studio.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 961 def create_studio(params = {}, = {}) req = build_request(:create_studio, params) req.send_request() end |
#create_studio_session_mapping(params = {}) ⇒ Struct
Maps a user or group to the Amazon EMR Studio specified by StudioId
,
and applies a session policy to refine Studio permissions for that
user or group. Use CreateStudioSessionMapping
to assign users to a
Studio when you use IAM Identity Center authentication. For
instructions on how to assign users to a Studio when you use IAM
authentication, see Assign a user or group to your EMR Studio.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1035 def create_studio_session_mapping(params = {}, = {}) req = build_request(:create_studio_session_mapping, params) req.send_request() end |
#delete_security_configuration(params = {}) ⇒ Struct
Deletes a security configuration.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1057 def delete_security_configuration(params = {}, = {}) req = build_request(:delete_security_configuration, params) req.send_request() end |
#delete_studio(params = {}) ⇒ Struct
Removes an Amazon EMR Studio from the Studio metadata store.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1079 def delete_studio(params = {}, = {}) req = build_request(:delete_studio, params) req.send_request() end |
#delete_studio_session_mapping(params = {}) ⇒ Struct
Removes a user or group from an Amazon EMR Studio.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1130 def delete_studio_session_mapping(params = {}, = {}) req = build_request(:delete_studio_session_mapping, params) req.send_request() 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
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1240 def describe_cluster(params = {}, = {}) req = build_request(:describe_cluster, params) req.send_request() end |
#describe_job_flows(params = {}) ⇒ Types::DescribeJobFlowsOutput
This API is no longer supported 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1368 def describe_job_flows(params = {}, = {}) req = build_request(:describe_job_flows, params) req.send_request() end |
#describe_notebook_execution(params = {}) ⇒ Types::DescribeNotebookExecutionOutput
Provides details of a notebook execution.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1420 def describe_notebook_execution(params = {}, = {}) req = build_request(:describe_notebook_execution, params) req.send_request() end |
#describe_release_label(params = {}) ⇒ Types::DescribeReleaseLabelOutput
Provides Amazon EMR release label details, such as the releases available the Region where the API request is run, and the available applications for a specific Amazon EMR release label. Can also list Amazon EMR releases that support a specified version of Spark.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1468 def describe_release_label(params = {}, = {}) req = build_request(:describe_release_label, params) req.send_request() end |
#describe_security_configuration(params = {}) ⇒ Types::DescribeSecurityConfigurationOutput
Provides the details of a security configuration by returning the configuration JSON.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1501 def describe_security_configuration(params = {}, = {}) req = build_request(:describe_security_configuration, params) req.send_request() 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
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1556 def describe_step(params = {}, = {}) req = build_request(:describe_step, params) req.send_request() end |
#describe_studio(params = {}) ⇒ Types::DescribeStudioOutput
Returns details for the specified Amazon EMR Studio including ID, Name, VPC, Studio access URL, and so on.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1608 def describe_studio(params = {}, = {}) req = build_request(:describe_studio, params) req.send_request() end |
#get_auto_termination_policy(params = {}) ⇒ Types::GetAutoTerminationPolicyOutput
Returns the auto-termination policy for an Amazon EMR cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1637 def get_auto_termination_policy(params = {}, = {}) req = build_request(:get_auto_termination_policy, params) req.send_request() end |
#get_block_public_access_configuration(params = {}) ⇒ Types::GetBlockPublicAccessConfigurationOutput
Returns the Amazon EMR block public access configuration for your Amazon Web Services account in the current Region. For more information see Configure Block Public Access for Amazon EMR in the Amazon EMR Management Guide.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1669 def get_block_public_access_configuration(params = {}, = {}) req = build_request(:get_block_public_access_configuration, params) req.send_request() end |
#get_cluster_session_credentials(params = {}) ⇒ Types::GetClusterSessionCredentialsOutput
Provides temporary, HTTP basic credentials that are associated with a given runtime IAM role and used by a cluster with fine-grained access control activated. You can use these credentials to connect to cluster endpoints that support username and password authentication.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1711 def get_cluster_session_credentials(params = {}, = {}) req = build_request(:get_cluster_session_credentials, params) req.send_request() end |
#get_managed_scaling_policy(params = {}) ⇒ Types::GetManagedScalingPolicyOutput
Fetches the attached managed scaling policy for an Amazon EMR cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1744 def get_managed_scaling_policy(params = {}, = {}) req = build_request(:get_managed_scaling_policy, params) req.send_request() end |
#get_studio_session_mapping(params = {}) ⇒ Types::GetStudioSessionMappingOutput
Fetches mapping details for the specified Amazon EMR Studio and identity (user or group).
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1807 def get_studio_session_mapping(params = {}, = {}) req = build_request(:get_studio_session_mapping, params) req.send_request() 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1849 def list_bootstrap_actions(params = {}, = {}) req = build_request(:list_bootstrap_actions, params) req.send_request() end |
#list_clusters(params = {}) ⇒ Types::ListClustersOutput
Provides the status of all clusters visible to this Amazon Web Services 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 in unsorted order 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 1919 def list_clusters(params = {}, = {}) req = build_request(:list_clusters, params) req.send_request() end |
#list_instance_fleets(params = {}) ⇒ Types::ListInstanceFleetsOutput
Lists all available details about the instance fleets in a cluster.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2002 def list_instance_fleets(params = {}, = {}) req = build_request(:list_instance_fleets, params) req.send_request() 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2102 def list_instance_groups(params = {}, = {}) req = build_request(:list_instance_groups, params) req.send_request() end |
#list_instances(params = {}) ⇒ Types::ListInstancesOutput
Provides information for all active Amazon EC2 instances and Amazon EC2 instances terminated in the last 30 days, up to a maximum of 2,000. Amazon 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2184 def list_instances(params = {}, = {}) req = build_request(:list_instances, params) req.send_request() end |
#list_notebook_executions(params = {}) ⇒ Types::ListNotebookExecutionsOutput
Provides summaries of all notebook executions. You can filter the list
based on multiple criteria such as status, time range, and editor id.
Returns a maximum of 50 notebook executions and a marker to track the
paging of a longer notebook execution list across multiple
ListNotebookExecutions
calls.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2280 def list_notebook_executions(params = {}, = {}) req = build_request(:list_notebook_executions, params) req.send_request() end |
#list_release_labels(params = {}) ⇒ Types::ListReleaseLabelsOutput
Retrieves release labels of Amazon EMR services in the Region where the API is called.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2334 def list_release_labels(params = {}, = {}) req = build_request(:list_release_labels, params) req.send_request() 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2372 def list_security_configurations(params = {}, = {}) req = build_request(:list_security_configurations, params) req.send_request() end |
#list_steps(params = {}) ⇒ Types::ListStepsOutput
Provides a list of steps for the cluster in reverse order unless you
specify stepIds
with the request or filter by StepStates
. You can
specify a maximum of 10 stepIDs
. The CLI automatically paginates
results to return a list greater than 50 steps. To return more than 50
steps using the CLI, specify a Marker
, which is a pagination token
that indicates the next set of steps to retrieve.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2444 def list_steps(params = {}, = {}) req = build_request(:list_steps, params) req.send_request() end |
#list_studio_session_mappings(params = {}) ⇒ Types::ListStudioSessionMappingsOutput
Returns a list of all user or group session mappings for the Amazon
EMR Studio specified by StudioId
.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2493 def list_studio_session_mappings(params = {}, = {}) req = build_request(:list_studio_session_mappings, params) req.send_request() end |
#list_studios(params = {}) ⇒ Types::ListStudiosOutput
Returns a list of all Amazon EMR Studios associated with the Amazon Web Services account. The list includes details such as ID, Studio Access URL, and creation time for each Studio.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2534 def list_studios(params = {}, = {}) req = build_request(:list_studios, params) req.send_request() end |
#list_supported_instance_types(params = {}) ⇒ Types::ListSupportedInstanceTypesOutput
A list of the instance types that Amazon EMR supports. You can filter the list by Amazon Web Services Region and Amazon EMR release.
The returned response is a pageable response and is Enumerable. For details on usage see PageableResponse.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2593 def list_supported_instance_types(params = {}, = {}) req = build_request(:list_supported_instance_types, params) req.send_request() end |
#modify_cluster(params = {}) ⇒ Types::ModifyClusterOutput
Modifies the number of steps that can be executed concurrently for the cluster specified using ClusterID.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2630 def modify_cluster(params = {}, = {}) req = build_request(:modify_cluster, params) req.send_request() 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2676 def modify_instance_fleet(params = {}, = {}) req = build_request(:modify_instance_fleet, params) req.send_request() 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2731 def modify_instance_groups(params = {}, = {}) req = build_request(:modify_instance_groups, params) req.send_request() 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 Amazon EC2 instances in response to the value of a CloudWatch metric.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2838 def put_auto_scaling_policy(params = {}, = {}) req = build_request(:put_auto_scaling_policy, params) req.send_request() end |
#put_auto_termination_policy(params = {}) ⇒ Struct
Creates or updates an auto-termination policy for an Amazon EMR cluster. An auto-termination policy defines the amount of idle time in seconds after which a cluster automatically terminates. For alternative cluster termination options, see Control cluster termination.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2882 def put_auto_termination_policy(params = {}, = {}) req = build_request(:put_auto_termination_policy, params) req.send_request() end |
#put_block_public_access_configuration(params = {}) ⇒ Struct
Creates or updates an Amazon EMR block public access configuration for your Amazon Web Services account in the current Region. For more information see Configure Block Public Access for Amazon EMR in the Amazon EMR Management Guide.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2937 def put_block_public_access_configuration(params = {}, = {}) req = build_request(:put_block_public_access_configuration, params) req.send_request() 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 Amazon 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 2976 def put_managed_scaling_policy(params = {}, = {}) req = build_request(:put_managed_scaling_policy, params) req.send_request() end |
#remove_auto_scaling_policy(params = {}) ⇒ Struct
Removes an automatic scaling policy from a specified instance group within an Amazon EMR cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3005 def remove_auto_scaling_policy(params = {}, = {}) req = build_request(:remove_auto_scaling_policy, params) req.send_request() end |
#remove_auto_termination_policy(params = {}) ⇒ Struct
Removes an auto-termination policy from an Amazon EMR cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3028 def remove_auto_termination_policy(params = {}, = {}) req = build_request(:remove_auto_termination_policy, params) req.send_request() end |
#remove_managed_scaling_policy(params = {}) ⇒ Struct
Removes a managed scaling policy from a specified Amazon EMR cluster.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3051 def remove_managed_scaling_policy(params = {}, = {}) req = build_request(:remove_managed_scaling_policy, params) req.send_request() end |
#remove_tags(params = {}) ⇒ Struct
Removes tags from an Amazon EMR resource, such as a cluster or Amazon EMR Studio. Tags make it easier to associate resources 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:
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3088 def (params = {}, = {}) req = build_request(:remove_tags, params) req.send_request() 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 long-running clusters, we recommend that you periodically store your results.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3663 def run_job_flow(params = {}, = {}) req = build_request(:run_job_flow, params) req.send_request() end |
#set_termination_protection(params = {}) ⇒ Struct
SetTerminationProtection locks a cluster (job flow) so the Amazon EC2
instances in the cluster cannot be terminated by user intervention, an
API call, or in the event of a job-flow error. The cluster still
terminates upon successful completion of the job flow. Calling
SetTerminationProtection
on a cluster is similar to calling the
Amazon EC2 DisableAPITermination
API on all Amazon 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3716 def set_termination_protection(params = {}, = {}) req = build_request(:set_termination_protection, params) req.send_request() end |
#set_visible_to_all_users(params = {}) ⇒ Struct
The SetVisibleToAllUsers parameter is no longer supported. Your cluster may be visible to all users in your account. To restrict cluster access using an IAM policy, see Identity and Access Management for Amazon EMR.
Sets the Cluster$VisibleToAllUsers value for an Amazon EMR cluster.
When true
, IAM principals in the Amazon Web Services account can
perform Amazon EMR cluster actions that their IAM policies allow. When
false
, only the IAM principal that created the cluster and the
Amazon Web Services account root user can perform Amazon EMR actions
on the cluster, regardless of IAM permissions policies attached to
other IAM principals.
This action works on running clusters. When you create a cluster, use the RunJobFlowInput$VisibleToAllUsers parameter.
For more information, see Understanding the Amazon EMR Cluster VisibleToAllUsers Setting in the Amazon EMR Management Guide.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3769 def set_visible_to_all_users(params = {}, = {}) req = build_request(:set_visible_to_all_users, params) req.send_request() end |
#start_notebook_execution(params = {}) ⇒ Types::StartNotebookExecutionOutput
Starts a notebook execution.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3875 def start_notebook_execution(params = {}, = {}) req = build_request(:start_notebook_execution, params) req.send_request() end |
#stop_notebook_execution(params = {}) ⇒ Struct
Stops a notebook execution.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3897 def stop_notebook_execution(params = {}, = {}) req = build_request(:stop_notebook_execution, params) req.send_request() 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 Amazon 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.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3929 def terminate_job_flows(params = {}, = {}) req = build_request(:terminate_job_flows, params) req.send_request() end |
#update_studio(params = {}) ⇒ Struct
Updates an Amazon EMR Studio configuration, including attributes such as name, description, and subnets.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 3978 def update_studio(params = {}, = {}) req = build_request(:update_studio, params) req.send_request() end |
#update_studio_session_mapping(params = {}) ⇒ Struct
Updates the session policy attached to the user or group for the specified Amazon EMR Studio.
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 4034 def update_studio_session_mapping(params = {}, = {}) req = build_request(:update_studio_session_mapping, params) req.send_request() 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 |
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# File 'gems/aws-sdk-emr/lib/aws-sdk-emr/client.rb', line 4146 def wait_until(waiter_name, params = {}, = {}) w = waiter(waiter_name, ) yield(w.waiter) if block_given? # deprecated w.wait(params) end |