feat(app-cache-redis): add support for Valkey engine

- feat: expose port variable
- chore: update AWS provider version

Author: joe-niland

modules/app-cache-redis/main.tf

@@ -7,7 +7,7 @@ module "redis_label" {
 
 module "redis" {
   source  = "cloudposse/elasticache-redis/aws"
-  version = "1.2.1"
+  version = "1.9.0"
 
   # Networking
   availability_zones = var.availability_zones
@@ -31,9 +31,11 @@ module "redis" {
   at_rest_encryption_enabled = true
   transit_encryption_enabled = true
 
-  # Redis settings
+  # Redis/Valkey settings
+  engine         = var.engine
   engine_version = var.engine_version
   family         = var.family
+  port           = var.port
   auth_token     = var.password
 
   context = module.redis_label.context

modules/app-cache-redis/variables.tf

@@ -60,19 +60,30 @@ variable "instance_type" {
 
 variable "family" {
   type        = string
-  default     = "redis6.x"
-  description = "Redis family"
+  default     = "redis7.x"
+  description = "The family of the ElastiCache parameter group"
+}
+
+variable "engine" {
+  type        = string
+  default     = "redis"
+  description = "Name of the Redis-compatible cache engine. Valid values are: `redis` or `valkey`"
 }
 
 variable "engine_version" {
   type        = string
-  default     = "6.2"
-  description = "Redis engine version"
+  default     = "7.1"
+  description = "Version number of the cache engine"
+}
+
+variable "port" {
+  type        = number
+  default     = 6379
+  description = "Port number on which the cache nodes will accept connections"
 }
 
 variable "password" {
   type        = string
   description = "Auth token for password protecting redis, `transit_encryption_enabled` must be set to `true`. Password must be longer than 16 chars"
   default     = null
-
 }

modules/app-cache-redis/versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.18"
+      version = ">= 5.73"
     }
   }
 }