AWS CloudFormation
User Guide (Version )

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AWS::EMR::Cluster BootstrapActionConfig

BootstrapActionConfig is a property of AWS::EMR::Cluster that can be used to run bootstrap actions on EMR clusters. You can use a bootstrap action to install software and configure EC2 instances for all cluster nodes before EMR installs and configures open-source big data applications on cluster instances. For more information, see Create Bootstrap Actions to Install Additional Software in the Amazon EMR Management Guide.


To declare this entity in your AWS CloudFormation template, use the following syntax:



The name of the bootstrap action.

Required: Yes

Type: String

Minimum: 0

Maximum: 256

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Update requires: No interruption


The script run by the bootstrap action.

Required: Yes

Type: ScriptBootstrapActionConfig

Update requires: No interruption

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