A terraform script to bootstrap EMR.

bootstrap_emr.tf

// EMR is not supported by terraform yet
// https://github.com/hashicorp/terraform/issues/2098

// This script will bootstrap the necessary VPC and related configs first.
provider "aws" {
    #access_key = "ACCESS_KEY_HERE"
    #secret_key = "SECRET_KEY_HERE"
    region = "ap-southeast-1"
}

resource "aws_vpc" "main_vpc" {
    cidr_block = "10.3.0.0/16"
    enable_dns_support = true
    enable_dns_hostnames = true
}

resource "aws_internet_gateway" "main_gw" {
    vpc_id = "${aws_vpc.main_vpc.id}"
}

resource "aws_subnet" "emr_subnet" {
    vpc_id = "${aws_vpc.main_vpc.id}"
    cidr_block = "10.3.1.0/24"
}

resource "aws_route" "r" {
    route_table_id = "${aws_vpc.main_vpc.main_route_table_id}"
    destination_cidr_block = "0.0.0.0/0"
    gateway_id = "${aws_internet_gateway.main_gw.id}"
}

resource "aws_route_table_association" "a" {
    subnet_id = "${aws_subnet.emr_subnet.id}"
    route_table_id = "${aws_vpc.main_vpc.main_route_table_id}"
}

resource "aws_vpc_endpoint" "private-s3" {
    vpc_id = "${aws_vpc.main_vpc.id}"
    route_table_ids = ["${aws_vpc.main_vpc.main_route_table_id}"]
    service_name = "com.amazonaws.ap-southeast-1.s3"
}

resource "aws_security_group" "allow_ssh" {
    name = "allow_ssh"
    vpc_id = "${aws_vpc.main_vpc.id}"
    ingress {
        from_port = 22
        to_port = 22
        protocol = "tcp"
        cidr_blocks = ["0.0.0.0/0"]
    }  
    egress { // Add back default engress rule 
        from_port = 0
        to_port = 0
        protocol = "-1"
        cidr_blocks = ["0.0.0.0/0"]
    }
}