feat: AWS Instance Scheduler Tagging Support (#198)

Author: andrew-wiggins

README.md

@@ -132,6 +132,7 @@ No Modules.
 | backtrack\_window | The target backtrack window, in seconds. Only available for aurora engine currently. To disable backtracking, set this value to 0. Defaults to 0. Must be between 0 and 259200 (72 hours) | `number` | `0` | no |
 | backup\_retention\_period | How long to keep backups for (in days) | `number` | `7` | no |
 | ca\_cert\_identifier | The identifier of the CA certificate for the DB instance | `string` | `"rds-ca-2019"` | no |
+| cluster\_tags | A map of tags to add to only the RDS cluster. Used for AWS Instance Scheduler tagging. | `map(string)` | `{}` | no |
 | copy\_tags\_to\_snapshot | Copy all Cluster tags to snapshots. | `bool` | `false` | no |
 | create\_cluster | Controls if RDS cluster should be created (it affects almost all resources) | `bool` | `true` | no |
 | create\_monitoring\_role | Whether to create the IAM role for RDS enhanced monitoring | `bool` | `true` | no |

main.tf

@@ -91,7 +91,7 @@ resource "aws_rds_cluster" "this" {
     }
   }
 
-  tags = var.tags
+  tags = merge(var.tags, var.cluster_tags)
 }
 
 resource "aws_rds_cluster_instance" "this" {

variables.tf

@@ -280,6 +280,12 @@ variable "tags" {
   default     = {}
 }
 
+variable "cluster_tags" {
+  description = "A map of tags to add to only the RDS cluster. Used for AWS Instance Scheduler tagging."
+  type        = map(string)
+  default     = {}
+}
+
 variable "performance_insights_enabled" {
   description = "Specifies whether Performance Insights is enabled or not."
   type        = bool