null for monitoring_role_arn when interval is 0

Author: LeoDiazL

operations/deployment/terraform/modules/aws/rds/aws_rds.tf

@@ -82,7 +82,7 @@ resource "aws_db_instance" "default" {
   performance_insights_kms_key_id            = var.aws_rds_db_performance_insights_enable ? var.aws_rds_db_performance_insights_kms_key_id : null
   # Updgrades
   monitoring_interval                        = var.aws_rds_db_monitoring_interval
-  monitoring_role_arn                        = var.aws_rds_db_monitoring_role_arn != "" ? var.aws_rds_db_monitoring_role_arn : data.aws_iam_role.monitoring[0].arn
+  monitoring_role_arn                        = var.aws_rds_db_monitoring_interval > 0 ? var.aws_rds_db_monitoring_role_arn != "" ? var.aws_rds_db_monitoring_role_arn : data.aws_iam_role.monitoring[0].arn : null
   database_insights_mode                     = var.aws_rds_db_insights_mode
   allow_major_version_upgrade                = var.aws_rds_db_allow_major_version_upgrade
   auto_minor_version_upgrade                 = var.aws_rds_db_auto_minor_version_upgrade