updates to example and variables

Author: magreenbaum

README.md

@@ -287,7 +287,6 @@ No modules.
 | <a name="input_cluster_ca_cert_identifier"></a> [cluster\_ca\_cert\_identifier](#input\_cluster\_ca\_cert\_identifier) | The CA certificate identifier to use for the DB cluster's server certificate. Currently only supported for multi-az DB clusters | `string` | `null` | no |
 | <a name="input_cluster_members"></a> [cluster\_members](#input\_cluster\_members) | List of RDS Instances that are a part of this cluster | `list(string)` | `null` | no |
 | <a name="input_cluster_monitoring_interval"></a> [cluster\_monitoring\_interval](#input\_cluster\_monitoring\_interval) | Interval, in seconds, in seconds, between points when Enhanced Monitoring metrics are collected for the DB cluster. To turn off collecting Enhanced Monitoring metrics, specify 0. The default is 0. Valid Values: 0, 1, 5, 10, 15, 30, 60 | `number` | `0` | no |
-| <a name="input_cluster_monitoring_role_arn"></a> [cluster\_monitoring\_role\_arn](#input\_cluster\_monitoring\_role\_arn) | ARN for the IAM role that permits RDS to send enhanced monitoring metrics to CloudWatch Logs. You can find more information on the AWS Documentation what IAM permissions are needed to allow Enhanced Monitoring for RDS Clusters | `string` | `null` | no |
 | <a name="input_cluster_performance_insights_enabled"></a> [cluster\_performance\_insights\_enabled](#input\_cluster\_performance\_insights\_enabled) | Valid only for Non-Aurora Multi-AZ DB Clusters. Enables Performance Insights for the RDS Cluster | `bool` | `null` | no |
 | <a name="input_cluster_performance_insights_kms_key_id"></a> [cluster\_performance\_insights\_kms\_key\_id](#input\_cluster\_performance\_insights\_kms\_key\_id) | Valid only for Non-Aurora Multi-AZ DB Clusters. Specifies the KMS Key ID to encrypt Performance Insights data. If not specified, the default RDS KMS key will be used (aws/rds) | `string` | `null` | no |
 | <a name="input_cluster_performance_insights_retention_period"></a> [cluster\_performance\_insights\_retention\_period](#input\_cluster\_performance\_insights\_retention\_period) | Valid only for Non-Aurora Multi-AZ DB Clusters. Specifies the amount of time to retain performance insights data for. Defaults to 7 days if Performance Insights are enabled. Valid values are 7, month * 31 (where month is a number of months from 1-23), and 731 | `number` | `null` | no |

examples/postgresql/main.tf

@@ -31,9 +31,6 @@ module "aurora" {
   master_username             = "root"
   storage_type                = "aurora-iopt1"
   cluster_monitoring_interval = 30
-  iam_role_name               = "${local.name}-monitor"
-  iam_role_use_name_prefix    = true
-  iam_role_description        = "${local.name} RDS enhanced monitoring IAM role"
 
   instances = {
     1 = {

main.tf

@@ -78,7 +78,7 @@ resource "aws_rds_cluster" "this" {
   master_password                       = var.is_primary_cluster && !var.manage_master_user_password ? var.master_password : null
   master_username                       = var.is_primary_cluster ? var.master_username : null
   monitoring_interval                   = var.cluster_monitoring_interval
-  monitoring_role_arn                   = var.create_monitoring_role && var.cluster_monitoring_interval > 0 ? try(aws_iam_role.rds_enhanced_monitoring[0].arn, null) : var.cluster_monitoring_role_arn
+  monitoring_role_arn                   = var.create_monitoring_role && var.cluster_monitoring_interval > 0 ? try(aws_iam_role.rds_enhanced_monitoring[0].arn, null) : var.monitoring_role_arn
   network_type                          = var.network_type
   performance_insights_enabled          = var.cluster_performance_insights_enabled
   performance_insights_kms_key_id       = var.cluster_performance_insights_kms_key_id

variables.tf

@@ -126,12 +126,6 @@ variable "cluster_monitoring_interval" {
   default     = 0
 }
 
-variable "cluster_monitoring_role_arn" {
-  description = "ARN for the IAM role that permits RDS to send enhanced monitoring metrics to CloudWatch Logs. You can find more information on the AWS Documentation what IAM permissions are needed to allow Enhanced Monitoring for RDS Clusters"
-  type        = string
-  default     = null
-}
-
 variable "copy_tags_to_snapshot" {
   description = "Copy all Cluster `tags` to snapshots"
   type        = bool