feat: add support for restore_to_point_in_time

Author: alacroix

README.md

@@ -89,14 +89,14 @@ Terraform documentation is generated automatically using [pre-commit hooks](http
 | Name | Version |
 |------|---------|
 | terraform | >= 0.12.6 |
-| aws | >= 3.8 |
+| aws | >= 3.19 |
 | random | >= 2.2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| aws | >= 3.8 |
+| aws | >= 3.19 |
 | random | >= 2.2 |
 
 ## Inputs
@@ -157,6 +157,7 @@ Terraform documentation is generated automatically using [pre-commit hooks](http
 | replica\_scale\_min | Minimum number of replicas to allow scaling for | `number` | `2` | no |
 | replica\_scale\_out\_cooldown | Cooldown in seconds before allowing further scaling operations after a scale out | `number` | `300` | no |
 | replication\_source\_identifier | ARN of a source DB cluster or DB instance if this DB cluster is to be created as a Read Replica. | `string` | `""` | no |
+| restore\_to\_point\_in\_time | Map of nested attributes for cloning Aurora cluster. | `map(string)` | `{}` | no |
 | scaling\_configuration | Map of nested attributes with scaling properties. Only valid when engine\_mode is set to `serverless` | `map(string)` | `{}` | no |
 | security\_group\_description | The description of the security group. If value is set to empty string it will contain cluster name in the description. | `string` | `"Managed by Terraform"` | no |
 | skip\_final\_snapshot | Should a final snapshot be created on cluster destroy | `bool` | `false` | no |

main.tf

@@ -57,7 +57,7 @@ resource "aws_rds_cluster" "this" {
   port                                = local.port
   db_subnet_group_name                = local.db_subnet_group_name
   vpc_security_group_ids              = compact(concat(aws_security_group.this.*.id, var.vpc_security_group_ids))
-  snapshot_identifier                 = var.snapshot_identifier
+  snapshot_identifier                 = length(keys(var.restore_to_point_in_time)) == 0 ? var.snapshot_identifier : null
   storage_encrypted                   = var.storage_encrypted
   apply_immediately                   = var.apply_immediately
   db_cluster_parameter_group_name     = var.db_cluster_parameter_group_name
@@ -80,6 +80,17 @@ resource "aws_rds_cluster" "this" {
     }
   }
 
+  dynamic "restore_to_point_in_time" {
+    for_each = length(keys(var.restore_to_point_in_time)) == 0 ? [] : [var.restore_to_point_in_time]
+
+    content {
+      source_cluster_identifier  = lookup(restore_to_point_in_time.value, "source_cluster_identifier", null)
+      restore_type               = lookup(restore_to_point_in_time.value, "restore_type", null)
+      use_latest_restorable_time = lookup(restore_to_point_in_time.value, "use_latest_restorable_time", null)
+      restore_to_time            = lookup(restore_to_point_in_time.value, "restore_to_time", null)
+    }
+  }
+
   tags = var.tags
 }
 

variables.tf

@@ -196,6 +196,12 @@ variable "scaling_configuration" {
   default     = {}
 }
 
+variable "restore_to_point_in_time" {
+  description = "Map of nested attributes for cloning Aurora cluster."
+  type        = map(string)
+  default     = {}
+}
+
 variable "snapshot_identifier" {
   description = "DB snapshot to create this database from"
   type        = string

versions.tf

@@ -2,7 +2,7 @@ terraform {
   required_version = ">= 0.12.6"
 
   required_providers {
-    aws    = ">= 3.8"
+    aws    = ">= 3.19"
     random = ">= 2.2"
   }
 }