Add optional backup window to database

Author: iknow125

modules/datastore/rds.tf

@@ -71,6 +71,9 @@ resource "aws_rds_cluster" "this" {
   engine_version    = var.db_engine_version
   storage_encrypted = true
 
+  backup_retention_period = var.backup_retention_period
+  preferred_backup_window = var.preferred_backup_window
+
   final_snapshot_identifier = "${var.resource_prefix}${var.db_name}-final-snapshot${var.resource_suffix}-${random_pet.final_snapshot_id.id}" # Snapshot upon delete
   vpc_security_group_ids    = [aws_security_group.rds_security_group.id]
 

modules/datastore/variables.tf

@@ -77,3 +77,15 @@ variable "enable_versioning" {
   description = "Enable versioning for S3 bucket"
   default     = false
 }
+
+variable "backup_retention_period" {
+  description = "The days to retain backups for"
+  type        = number
+  default     = null
+}
+
+variable "preferred_backup_window" {
+  description = "The daily time range during which automated backups are created if automated backups are enabled using the `backup_retention_period` parameter. Time in UTC"
+  type        = string
+  default     = "02:00-03:00"
+}