add bool option

Author: Sohan Yadav

main.tf

@@ -19,6 +19,7 @@ module "labels" {
 # Module : Elasticache Subnet Group
 # Description : Terraform module which creates Subnet Group for Elasticache.
 resource "aws_elasticache_subnet_group" "default" {
+ count = var.enable ? 1 : 0
  name = module.labels.id
  subnet_ids = var.subnet_ids
  description = "Managed by Clouddrove"
@@ -27,7 +28,7 @@ resource "aws_elasticache_subnet_group" "default" {
 # Module : Elasticache Replication Group
 # Description : Terraform module which creates standalone instance for Elasticache Redis.
 resource "aws_elasticache_replication_group" "default" {
- count = var.replication_enabled ? 1 : 0
+ count = var.enable && var.replication_enabled ? 1 : 0
  engine = var.engine
  replication_group_id = module.labels.id
  replication_group_description = module.labels.id
@@ -36,7 +37,7 @@ resource "aws_elasticache_replication_group" "default" {
  parameter_group_name = "default.redis5.0"
  node_type = var.node_type
  automatic_failover_enabled = var.automatic_failover_enabled
- subnet_group_name = aws_elasticache_subnet_group.default.name
+ subnet_group_name = join("", aws_elasticache_subnet_group.default.*.name)
  security_group_ids = var.security_group_ids
  security_group_names = var.security_group_names
  snapshot_arns = var.snapshot_arns
@@ -58,7 +59,7 @@ resource "aws_elasticache_replication_group" "default" {
 # Module : Elasticache Replication Group
 # Description : Terraform module which creates cluster for Elasticache Redis.
 resource "aws_elasticache_replication_group" "cluster" {
- count = var.cluster_replication_enabled ? 1 : 0
+ count = var.enable && var.cluster_replication_enabled ? 1 : 0
  engine = var.engine
  replication_group_id = module.labels.id
  replication_group_description = module.labels.id
@@ -67,7 +68,7 @@ resource "aws_elasticache_replication_group" "cluster" {
  parameter_group_name = "default.redis5.0.cluster.on"
  node_type = var.node_type
  automatic_failover_enabled = var.automatic_failover_enabled
- subnet_group_name = aws_elasticache_subnet_group.default.name
+ subnet_group_name = join("", aws_elasticache_subnet_group.default.*.name)
  security_group_ids = var.security_group_ids
  security_group_names = var.security_group_names
  snapshot_arns = var.snapshot_arns
@@ -92,7 +93,7 @@ resource "aws_elasticache_replication_group" "cluster" {
 # Module : Elasticache Cluster
 # Description : Terraform module which creates cluster for Elasticache Memcached.
 resource "aws_elasticache_cluster" "default" {
- count = var.cluster_enabled ? 1 : 0
+ count = var.enable && var.cluster_enabled ? 1 : 0
  engine = var.engine
  cluster_id = module.labels.id
  engine_version = var.engine_version
@@ -101,7 +102,7 @@ resource "aws_elasticache_cluster" "default" {
  az_mode = var.az_mode
  parameter_group_name = "default.memcached1.5"
  node_type = var.node_type
- subnet_group_name = aws_elasticache_subnet_group.default.name
+ subnet_group_name = join("", aws_elasticache_subnet_group.default.*.name)
  security_group_ids = var.security_group_ids
  security_group_names = var.security_group_names
  snapshot_arns = var.snapshot_arns

outputs.tf

@@ -5,11 +5,6 @@ output "id" {
  description = "Redis cluster id."
 }
 
-//output "cache_nodes" {
-//value = var.cluster_enabled ? "" : aws_elasticache_replication_group.default.*.cache_nodes
-//description = "Redis cluster id."
-//}
-
 output "port" {
  value = var.port
  description = "Redis port."

variables.tf

@@ -36,6 +36,13 @@ variable "tags" {
  description = "Additional tags (e.g. map(`BusinessUnit`,`XYZ`)."
 }
 
+variable "enable" {
+ type = bool
+ default = true
+ description = "Enable or disable of elasticache"
+}
+
+
 # Module : Replication Group
 # Description : Terraform Replication group module variables.
 variable "engine" {