adds support for configuring performance insights

Author: souza-dan

main.tf

@@ -65,6 +65,10 @@ resource "aws_db_instance" "rds_postgres" {
   copy_tags_to_snapshot = var.copy_tags_to_snapshot
   tags                  = local.effective_tags
 
+  # Performance Insights
+  performance_insights_enabled          = var.performance_insights_enabled
+  performance_insights_retention_period = var.performance_insights_enabled ? var.performance_insights_retention_period : null
+
   lifecycle {
     ignore_changes = [password]
   }

variables.tf

@@ -161,3 +161,15 @@ variable "multi_az" {
   type        = bool
   description = "Specifies if the RDS instance is multi-AZ."
 }
+
+variable "performance_insights_enabled" {
+  default     = false
+  type        = bool
+  description = "Specifies whether Performance Insights are enabled."
+}
+
+variable "performance_insights_retention_period" {
+  default     = 7
+  type        = number
+  description = "The amount of time in days to retain Performance Insights data. Either 7 (7 days) or 731 (2 years)."
+}