feat: introducing valkey elasticache

Author: hahirwar-cd

examples/valkey/example.tf

@@ -0,0 +1,75 @@
+####----------------------------------------------------------------------------------
+## Provider block added, Use the Amazon Web Services (AWS) provider to interact with the many resources supported by AWS.
+####----------------------------------------------------------------------------------
+provider "aws" {
+  region = local.region
+}
+locals {
+  name        = "valkey"
+  environment = "test"
+  region      = "us-east-1"
+}
+####----------------------------------------------------------------------------------
+## A VPC is a virtual network that closely resembles a traditional network that you'd operate in your own data center.
+####----------------------------------------------------------------------------------
+module "vpc" {
+  source  = "clouddrove/vpc/aws"
+  version = "2.0.0"
+
+  name        = "${local.name}-vpc"
+  environment = local.environment
+  cidr_block  = "10.0.0.0/16"
+}
+
+####----------------------------------------------------------------------------------
+## A subnet is a range of IP addresses in your VPC.
+####----------------------------------------------------------------------------------
+module "subnets" {
+  source  = "clouddrove/subnet/aws"
+  version = "2.0.0"
+
+  name               = "${local.name}-subnets"
+  environment        = local.environment
+  availability_zones = ["${local.region}a", "${local.region}b", "${local.region}c"]
+  vpc_id             = module.vpc.vpc_id
+  type               = "public"
+  igw_id             = module.vpc.igw_id
+  cidr_block         = module.vpc.vpc_cidr_block
+  ipv6_cidr_block    = module.vpc.ipv6_cidr_block
+}
+
+##----------------------------------------------------------------------------------
+## VALKEY MODULE CALL
+##----------------------------------------------------------------------------------
+module "valkey" {
+  source = "./../../"
+
+  name        = local.name
+  environment = local.environment
+
+  vpc_id        = module.vpc.vpc_id
+  allowed_ip    = [module.vpc.vpc_cidr_block]
+  allowed_ports = [6379]
+
+  # -- valkey configuration
+  cluster_replication_enabled = true
+  replication_group = {
+    engine                        = "valkey"
+    engine_version                = "8.1"
+    parameter_group_name          = "default.valkey8"
+    port                          = 6379
+    num_cache_clusters            = 2
+    node_type                     = "cache.t3.medium"
+    replication_group_description = "${local.environment}-${local.name} replication group."
+    maintenance_window            = "tue:07:00-tue:08:00"
+  }
+
+  az_mode         = "single-az"
+  num_cache_nodes = 2
+  kms_key_id      = null
+  auth_token      = "UseSomethingSecure*1234"
+  # ---- valkey end -----------------
+  subnet_ids               = concat(module.subnets.private_subnet_id, module.subnets.public_subnet_id)
+  subnet_group_description = "${local.environment}-${local.name} subnet group."
+  availability_zones       = ["${local.region}a", "${local.region}c"]
+}

examples/valkey/outputs.tf

@@ -0,0 +1,24 @@
+# output "id" {
+#   value       = module.valkey[*].id
+#   description = "memcached id."
+# }
+
+# output "tags" {
+#   value       = module.memcached.tags
+#   description = "A mapping of tags to assign to the resource."
+# }
+
+# output "memcached_endpoint" {
+#   value       = module.memcached.memcached_endpoint
+#   description = "Memcached endpoint address."
+# }
+
+# output "hostname" {
+#   value       = module.memcached.hostname
+#   description = "DNS hostname"
+# }
+
+# output "redis_ssm_arn" {
+#   value       = module.memcached.Memcached_ssm_name
+#   description = "A map of the names and ARNs created"
+# }

examples/valkey/versions.tf

@@ -0,0 +1,11 @@
+# Terraform version
+terraform {
+  required_version = ">= 1.6.5"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 5.31.0"
+    }
+  }
+}

main.tf

@@ -241,7 +241,7 @@ resource "aws_route53_record" "elasticache" {
 ## Below resource will create ssm-parameter resource for redis and memcached with auth-token.
 ##----------------------------------------------------------------------------------
 resource "aws_ssm_parameter" "secret" {
-  count = var.enable && var.auth_token_enable ? 1 : 0
+  count = var.enable && var.enable_aws_ssm_parameter && var.auth_token_enable ? 1 : 0
 
   name        = format("/%s/%s/auth-token", var.environment, var.name)
   description = var.ssm_parameter_description
@@ -254,7 +254,7 @@ resource "aws_ssm_parameter" "secret" {
 ## Below resource will create ssm-parameter resource for redis with endpoint.
 ##----------------------------------------------------------------------------------
 resource "aws_ssm_parameter" "secret-endpoint" {
-  count = var.enable && var.ssm_parameter_endpoint_enabled ? 1 : 0
+  count = var.enable && var.enable_aws_ssm_parameter && var.ssm_parameter_endpoint_enabled ? 1 : 0
 
   name        = format("/%s/%s/endpoint", var.environment, var.name)
   description = var.ssm_parameter_description
@@ -280,7 +280,7 @@ resource "aws_route53_record" "memcached_route_53" {
 ## Below resource will create ssm-parameter resource for memcached with endpoint.
 ##----------------------------------------------------------------------------------
 resource "aws_ssm_parameter" "memcached_secret-endpoint" {
-  count = var.enable && var.memcached_ssm_parameter_endpoint_enabled ? 1 : 0
+  count = var.enable && var.enable_aws_ssm_parameter && var.memcached_ssm_parameter_endpoint_enabled ? 1 : 0
 
   name        = format("/%s/%s/memcached-endpoint", var.environment, var.name)
   description = var.ssm_parameter_description

outputs.tf

@@ -61,7 +61,7 @@ output "Memcached_ssm_name" {
 }
 
 output "auth_token" {
-  value       = var.enable && var.auth_token_enable ? random_password.auth_token[0].result : null
+  value       = var.enable && var.auth_token_enable && var.auth_token == null ? random_password.auth_token[0].result : null
   sensitive   = true
   description = "Auth token generated value"
 }

variables.tf

@@ -297,6 +297,11 @@ variable "route53" {
 }
 
 ###------------------------------- ssm_parameter----------------------------
+variable "enable_aws_ssm_parameter" {
+  description = "Whether to create the AWS SSM parameter for the auth token"
+  type        = bool
+  default     = false
+}
 
 variable "ssm_parameter_endpoint_enabled" {
   type        = bool