in source/lib/cdk-solution-stack.ts [97:104]
private get _defaultServiceRole(): iam.Role {
return new iam.Role(this, 'EMRClusterServiceRole', {
assumedBy: new iam.ServicePrincipal(`elasticmapreduce.${Aws.URL_SUFFIX}`),
managedPolicies: [
iam.ManagedPolicy.fromAwsManagedPolicyName('service-role/AmazonElasticMapReduceRole'),
],
});
}