Merge pull request #28 from egarbi/adds_support_for_0.14

Adds support for 0.14

example/main.tf

@@ -1,6 +1,13 @@
+terraform {
+  required_providers {
+    aws = {
+      source = "hashicorp/aws"
+      version = "~> 2.0"
+    }
+  }
+}
 # Configure the AWS Provider
 provider "aws" {
-  version = "~> 2.0"
   region  = "eu-central-1"
 }
 
@@ -9,12 +16,12 @@ data "aws_vpc" "default" {
 }
 
 data "aws_subnet_ids" "default" {
-  vpc_id = "${data.aws_vpc.default.id}"
+  vpc_id = data.aws_vpc.default.id
 }
 
 data "aws_subnet" "default" {
-  count = "${length(data.aws_subnet_ids.default.ids)}"
-  id    = "${tolist(data.aws_subnet_ids.default.ids)[count.index]}"
+  count = length(data.aws_subnet_ids.default.ids)
+  id    = tolist(data.aws_subnet_ids.default.ids)[count.index]
 }
 
 data "aws_route53_zone" "selected" {
@@ -29,13 +36,13 @@ module "es-cluster" {
   source = "../"
 
   name                      = "example"
-  vpc_id                    = "${data.aws_vpc.default.id}"
-  subnet_ids                = ["${data.aws_subnet.default.0.id}", "${data.aws_subnet.default.1.id}"]
-  zone_id                   = "${data.aws_route53_zone.selected.zone_id}"
+  vpc_id                    = data.aws_vpc.default.id
+  subnet_ids                = [data.aws_subnet.default.0.id, data.aws_subnet.default.1.id]
+  zone_id                   = data.aws_route53_zone.selected.zone_id
   itype                     = "m4.large.elasticsearch"
   icount                    = 2
   zone_awareness            = true
-  ingress_allow_cidr_blocks = ["${data.aws_vpc.default.cidr_block}"]
+  ingress_allow_cidr_blocks = [data.aws_vpc.default.cidr_block]
   access_policies           = <<CONFIG
 {   
     "Version": "2012-10-17",

outputs.tf

@@ -1,34 +1,34 @@
 output "es_arn" {
   description = "Amazon Resource Name (ARN) of the domain"
-  value       = "${aws_elasticsearch_domain.es.arn}"
+  value       = aws_elasticsearch_domain.es.arn
 }
 
 output "es_availability_zones_ids" {
   description = "If the domain was created inside a VPC, the names of the availability zones the configured subnet_ids were created inside."
-  value       = "${aws_elasticsearch_domain.es.vpc_options.0.availability_zones}"
+  value       = aws_elasticsearch_domain.es.vpc_options.0.availability_zones
 }
 
 output "es_domain_id" {
   description = "Unique identifier for the domain."
-  value       = "${aws_elasticsearch_domain.es.domain_id}"
+  value       = aws_elasticsearch_domain.es.domain_id
 }
 
 output "es_endpoint" {
   description = "Domain-specific endpoint used to submit index, search, and data upload requests."
-  value       = "${aws_elasticsearch_domain.es.endpoint}"
+  value       = aws_elasticsearch_domain.es.endpoint
 }
 
 output "es_kibana_endpoint" {
   description = "Domain-specific endpoint for kibana without https scheme."
-  value       = "${aws_elasticsearch_domain.es.kibana_endpoint}"
+  value       = aws_elasticsearch_domain.es.kibana_endpoint
 }
 
 output "es_sg" {
   description = "The SG id created to allow communication with ElasticSearch cluster."
-  value       = "${aws_security_group.elasticsearch.id}"
+  value       = aws_security_group.elasticsearch.id
 }
 
 output "es_vpc_ids" {
   description = "The VPC ID if the domain was created inside a VPC."
-  value       = "${aws_elasticsearch_domain.es.vpc_options.0.vpc_id}"
+  value       = aws_elasticsearch_domain.es.vpc_options.0.vpc_id
 }

variables.tf

@@ -6,7 +6,7 @@ variable "name" {
 
 variable "subnet_ids" {
   description = "List of VPC Subnet IDs for the Elastic Search Service EndPoints will be created."
-  type        = list
+  type        = list(string)
 }
 
 variable "vpc_id" {
@@ -77,13 +77,13 @@ variable "indices_query_bool_max_clause_count" {
 variable "ingress_allow_cidr_blocks" {
   default     = []
   description = "Specifies the ingress CIDR blocks allowed."
-  type        = list
+  type        = list(string)
 }
 
 variable "ingress_allow_security_groups" {
   default     = []
   description = "Specifies the ingress security groups allowed."
-  type        = list
+  type        = list(string)
 }
 
 variable "itype" {