How to pass multiple bootstrap actions in AWS EMR using Terraform?

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How to pass multiple bootstrap actions in AWS EMR using Terraform?



I am trying to create a terraform module for AWS EMR cluster. I need to run multiple bootstrap scripts in EMR, where I am having errors.
For example:



main.tf


...
variable bootstrap_actions type = "list"
...
resource "aws_emr_cluster" "emr-cluster"
name = "$var.emr_name"

release_label = "$var.release_label"
applications = "$var.applications"

termination_protection = true

ec2_attributes
subnet_id = "$data.aws_subnet.subnet.id"
emr_managed_master_security_group = "$data.aws_security_group.emr_managed_master_security_group.id"
emr_managed_slave_security_group = "$data.aws_security_group.emr_managed_slave_security_group.id"
service_access_security_group = "$data.aws_security_group.service_access_security_group.id"
additional_slave_security_groups = "$var.additional_slave_security_groups_id"
instance_profile = "$var.instance_profile"
key_name = "$var.key_name"


master_instance_type = "$var.master_instance_type"
core_instance_type = "$var.core_instance_type"
core_instance_count = "$var.core_instance_count"

tags
BUSINESS_UNIT = "$var.BUSINESS_UNIT"
BUSINESS_REGION = "$var.BUSINESS_REGION"
CLIENT = "$var.CLIENT"
ENVIRONMENT = "$var.env"
PLATFORM = "$var.PLATFORM"
Name = "$var.emr_name"



bootstrap_action = "$var.bootstrap_actions"

configurations = "test-fixtures/emr_configurations.json"

service_role = "$var.service_role"
autoscaling_role = "$var.autoscaling_role"




I passed all the variables including bootstrap as :


bootstrap_actions = [ "path=s3://bucket/bootstrap/hive/metastore/JSON41.sh,name=SERDE","path=s3://bucket/bootstrap/hive/hive-nofile-nproc-increase.sh,name=ulimit" ]



When I am applying the plan, I am getting error:


* aws_emr_cluster.emr-cluster: bootstrap_action.0: expected object, got invalid
* aws_emr_cluster.emr-cluster: bootstrap_action.1: expected object, got invalid



Does anyone have any idea on it? How can I pass multiple bootstrap actions here.
Please advise.



Thanks.




2 Answers
2



Doc: bootstrap_action - (Optional) list of bootstrap actions that will be run before Hadoop is started on the cluster nodes.


bootstrap_action



Your variable is list of strings, not list of objects. This variable is probably ok (not tested):


bootstrap_actions = [

path = "s3://bucket/bootstrap/hive/metastore/JSON41.sh"
name = "SERDE"
,

path = "s3://bucket/bootstrap/hive/hive-nofile-nproc-increase.sh"
name = "ulimit"
,
]



It works :


bootstrap_action = [

name = "custombootrstrap_test1"
path = "s3://$aws_s3_bucket.bucketlogs.bucket/bootstrap-actions/master/configure-test1.sh"
,

name = "custombootrstrap_test2"
path = "s3://$aws_s3_bucket.bucketlogs.bucket/bootstrap-actions/master/configure-test2.sh"
,
]






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