Include apply_immediately variable for elasticache-redis replication

group

For changes effective immediately instead of having to wait for the
maintenance window.

Author: clarissalimab

elasticache-redis/replication-group/main.tf

@@ -1,6 +1,7 @@
 resource "aws_elasticache_replication_group" "this" {
   replication_group_id = coalesce(var.replication_group_id, var.name)
 
+  apply_immediately           = var.apply_immediately
   at_rest_encryption_enabled  = var.at_rest_encryption_enabled
   automatic_failover_enabled  = local.replica_enabled
   description                 = var.description

elasticache-redis/replication-group/variables.tf

@@ -1,3 +1,9 @@
+variable "apply_immediately" {
+  type        = bool
+  description = "Set to true to apply changes immediately"
+  default     = false
+}
+
 variable "alarm_actions" {
   type        = list(object({ arn = string }))
   description = "SNS topcis or other actions to invoke for alarms"