├── CHANGELOG.md ├── .circleci └── config.yml ├── scripts └── cibuild ├── outputs.tf ├── variables.tf ├── README.md ├── main.tf └── LICENSE /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## 0.1.1 2 | 3 | - Enable `revoke_rules_on_delete` setting for security group resources. 4 | 5 | ## 0.1.0 6 | 7 | - Initial release. 8 | -------------------------------------------------------------------------------- /.circleci/config.yml: -------------------------------------------------------------------------------- 1 | version: 2 2 | 3 | jobs: 4 | build: 5 | docker: 6 | - image: hashicorp/terraform:latest 7 | 8 | steps: 9 | - checkout 10 | - run: 11 | name: Install Bash 12 | command: apk add --no-cache bash 13 | - run: 14 | name: Execute cibuild 15 | command: ./scripts/cibuild 16 | -------------------------------------------------------------------------------- /scripts/cibuild: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | set -e 4 | 5 | if [[ -n "${CI_DEBUG}" ]]; then 6 | set -x 7 | fi 8 | 9 | function usage() { 10 | echo -n \ 11 | "Usage: $(basename "$0") 12 | Ensure the Terraform source code is properly formatted. 13 | " 14 | } 15 | 16 | if [ "${BASH_SOURCE[0]}" = "${0}" ]; then 17 | if [ "${1:-}" = "--help" ]; then 18 | usage 19 | else 20 | terraform fmt -check 21 | fi 22 | fi 23 | -------------------------------------------------------------------------------- /outputs.tf: -------------------------------------------------------------------------------- 1 | output "id" { 2 | value = "${aws_emr_cluster.cluster.id}" 3 | } 4 | 5 | output "name" { 6 | value = "${aws_emr_cluster.cluster.name}" 7 | } 8 | 9 | output "master_public_dns" { 10 | value = "${aws_emr_cluster.cluster.master_public_dns}" 11 | } 12 | 13 | output "master_security_group_id" { 14 | value = "${aws_security_group.emr_master.id}" 15 | } 16 | 17 | output "slave_security_group_id" { 18 | value = "${aws_security_group.emr_slave.id}" 19 | } 20 | -------------------------------------------------------------------------------- /variables.tf: -------------------------------------------------------------------------------- 1 | variable "project" { 2 | default = "Unknown" 3 | } 4 | 5 | variable "environment" { 6 | default = "Unknown" 7 | } 8 | 9 | variable "name" {} 10 | 11 | variable "vpc_id" {} 12 | 13 | variable "release_label" { 14 | default = "emr-5.8.0" 15 | } 16 | 17 | variable "applications" { 18 | default = ["Spark"] 19 | type = "list" 20 | } 21 | 22 | variable "configurations" {} 23 | 24 | variable "key_name" {} 25 | 26 | variable "subnet_id" {} 27 | 28 | variable "instance_groups" { 29 | default = [ 30 | { 31 | name = "MasterInstanceGroup" 32 | instance_role = "MASTER" 33 | instance_type = "m3.xlarge" 34 | instance_count = 1 35 | }, 36 | { 37 | name = "CoreInstanceGroup" 38 | instance_role = "CORE" 39 | instance_type = "m3.xlarge" 40 | instance_count = "1" 41 | bid_price = "0.30" 42 | }, 43 | ] 44 | 45 | type = "list" 46 | } 47 | 48 | variable "bootstrap_name" {} 49 | 50 | variable "bootstrap_uri" {} 51 | 52 | variable "bootstrap_args" { 53 | default = [] 54 | type = "list" 55 | } 56 | 57 | variable "log_uri" {} 58 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # terraform-aws-emr-cluster 2 | 3 | [![CircleCI](https://circleci.com/gh/azavea/terraform-aws-emr-cluster.svg?style=svg)](https://circleci.com/gh/azavea/terraform-aws-emr-cluster) 4 | 5 | A Terraform module to create an Amazon Web Services (AWS) Elastic MapReduce (EMR) cluster. 6 | 7 | ## Usage 8 | 9 | ```hcl 10 | data "template_file" "emr_configurations" { 11 | template = "${file("configurations/default.json")}" 12 | } 13 | 14 | module "emr" { 15 | source = "github.com/azavea/terraform-aws-emr-cluster?ref=0.1.0" 16 | 17 | name = "DatarpocCluster" 18 | vpc_id = "vpc-20f74844" 19 | release_label = "emr-5.9.0" 20 | 21 | applications = [ 22 | "Hadoop", 23 | "Ganglia", 24 | "Spark", 25 | "Zeppelin", 26 | ] 27 | 28 | configurations = "${data.template_file.emr_configurations.rendered}" 29 | key_name = "hector" 30 | subnet_id = "subnet-e3sdf343" 31 | 32 | instance_groups = [ 33 | { 34 | name = "MasterInstanceGroup" 35 | instance_role = "MASTER" 36 | instance_type = "m3.xlarge" 37 | instance_count = "1" 38 | }, 39 | { 40 | name = "CoreInstanceGroup" 41 | instance_role = "CORE" 42 | instance_type = "m3.xlarge" 43 | instance_count = "1" 44 | bid_price = "0.30" 45 | }, 46 | ] 47 | 48 | bootstrap_name = "runif" 49 | bootstrap_uri = "s3://elasticmapreduce/bootstrap-actions/run-if" 50 | bootstrap_args = [] 51 | log_uri = "s3n://.../" 52 | 53 | project = "Something" 54 | environment = "Staging" 55 | } 56 | ``` 57 | 58 | ## Variables 59 | 60 | - `name` - Name of EMR cluster 61 | - `vpc_id` - ID of VPC meant to house cluster 62 | - `release_label` - EMR release version to use (default: `emr-5.8.0`) 63 | - `applications` - A list of EMR release applications (default: `["Spark"]`) 64 | - `configurations` - JSON array of EMR application configurations 65 | - `key_name` - EC2 Key pair name 66 | - `subnet_id` - Subnet used to house the EMR nodes 67 | - `instance_groups` - List of objects for each desired instance group (see section below) 68 | - `bootstrap_name` - Name for the bootstrap action 69 | - `bootstrap_uri` - S3 URI for the bootstrap action script 70 | - `bootstrap_args` - A list of arguments to the bootstrap action script (default: `[]`) 71 | - `log_uri` - S3 URI of the EMR log destination, must begin with `s3n://` and end with trailing slashes 72 | - `project` - Name of project this cluster is for (default: `Unknown`) 73 | - `environment` - Name of environment this cluster is targeting (default: `Unknown`) 74 | 75 | ## Instance Group Example 76 | 77 | ```hcl 78 | [ 79 | { 80 | name = "MasterInstanceGroup" 81 | instance_role = "MASTER" 82 | instance_type = "m3.xlarge" 83 | instance_count = 1 84 | }, 85 | { 86 | name = "CoreInstanceGroup" 87 | instance_role = "CORE" 88 | instance_type = "m3.xlarge" 89 | instance_count = "1" 90 | bid_price = "0.30" 91 | }, 92 | ] 93 | ``` 94 | 95 | ## Outputs 96 | 97 | - `id` - The EMR cluster ID 98 | - `name` - The EMR cluster name 99 | - `master_public_dns` - The EMR master public FQDN 100 | - `master_security_group_id` - Security group ID of the master instance/s 101 | - `slave_security_group_id` - Security group ID of the slave instance/s 102 | -------------------------------------------------------------------------------- /main.tf: -------------------------------------------------------------------------------- 1 | # 2 | # EMR IAM resources 3 | # 4 | data "aws_iam_policy_document" "emr_assume_role" { 5 | statement { 6 | effect = "Allow" 7 | 8 | principals { 9 | type = "Service" 10 | identifiers = ["elasticmapreduce.amazonaws.com"] 11 | } 12 | 13 | actions = ["sts:AssumeRole"] 14 | } 15 | } 16 | 17 | resource "aws_iam_role" "emr_service_role" { 18 | name = "emr${var.environment}ServiceRole" 19 | assume_role_policy = "${data.aws_iam_policy_document.emr_assume_role.json}" 20 | } 21 | 22 | resource "aws_iam_role_policy_attachment" "emr_service_role" { 23 | role = "${aws_iam_role.emr_service_role.name}" 24 | policy_arn = "arn:aws:iam::aws:policy/service-role/AmazonElasticMapReduceRole" 25 | } 26 | 27 | # 28 | # EMR IAM resources for EC2 29 | # 30 | data "aws_iam_policy_document" "ec2_assume_role" { 31 | statement { 32 | effect = "Allow" 33 | 34 | principals { 35 | type = "Service" 36 | identifiers = ["ec2.amazonaws.com"] 37 | } 38 | 39 | actions = ["sts:AssumeRole"] 40 | } 41 | } 42 | 43 | resource "aws_iam_role" "emr_ec2_instance_profile" { 44 | name = "${var.environment}JobFlowInstanceProfile" 45 | assume_role_policy = "${data.aws_iam_policy_document.ec2_assume_role.json}" 46 | } 47 | 48 | resource "aws_iam_role_policy_attachment" "emr_ec2_instance_profile" { 49 | role = "${aws_iam_role.emr_ec2_instance_profile.name}" 50 | policy_arn = "arn:aws:iam::aws:policy/service-role/AmazonElasticMapReduceforEC2Role" 51 | } 52 | 53 | resource "aws_iam_instance_profile" "emr_ec2_instance_profile" { 54 | name = "${aws_iam_role.emr_ec2_instance_profile.name}" 55 | role = "${aws_iam_role.emr_ec2_instance_profile.name}" 56 | } 57 | 58 | # 59 | # Security group resources 60 | # 61 | resource "aws_security_group" "emr_master" { 62 | vpc_id = "${var.vpc_id}" 63 | revoke_rules_on_delete = true 64 | 65 | tags { 66 | Name = "sg${var.name}Master" 67 | Project = "${var.project}" 68 | Environment = "${var.environment}" 69 | } 70 | } 71 | 72 | resource "aws_security_group" "emr_slave" { 73 | vpc_id = "${var.vpc_id}" 74 | revoke_rules_on_delete = true 75 | 76 | tags { 77 | Name = "sg${var.name}Slave" 78 | Project = "${var.project}" 79 | Environment = "${var.environment}" 80 | } 81 | } 82 | 83 | # 84 | # EMR resources 85 | # 86 | resource "aws_emr_cluster" "cluster" { 87 | name = "${var.name}" 88 | release_label = "${var.release_label}" 89 | applications = "${var.applications}" 90 | configurations = "${var.configurations}" 91 | 92 | ec2_attributes { 93 | key_name = "${var.key_name}" 94 | subnet_id = "${var.subnet_id}" 95 | emr_managed_master_security_group = "${aws_security_group.emr_master.id}" 96 | emr_managed_slave_security_group = "${aws_security_group.emr_slave.id}" 97 | instance_profile = "${aws_iam_instance_profile.emr_ec2_instance_profile.arn}" 98 | } 99 | 100 | instance_group = "${var.instance_groups}" 101 | 102 | bootstrap_action { 103 | path = "${var.bootstrap_uri}" 104 | name = "${var.bootstrap_name}" 105 | args = "${var.bootstrap_args}" 106 | } 107 | 108 | log_uri = "${var.log_uri}" 109 | service_role = "${aws_iam_role.emr_service_role.arn}" 110 | 111 | tags { 112 | Name = "${var.name}" 113 | Project = "${var.project}" 114 | Environment = "${var.environment}" 115 | } 116 | } 117 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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