DEV-13953 - Adds parameter group family as a settable variable

README.md

@@ -61,6 +61,7 @@ This terraform module will create:
 | instance\_class | Instance class | `string` | `"db.m4.large"` | no |
 | maintenance\_window | Maintenance window | `string` | `"sun:04:32-sun:05:02"` | no |
 | max\_allocated\_storage | Max allocate storage | `number` | `1000` | no |
+| parameter\_group\_family | The family of the DB parameter group | `string` | `"postgres12"` | no |
 | parameter\_group\_name | The name of the rds parameter group | `string` | `"rds-postgres-pg"` | no |
 | postgres\_name | The name of the postgres instance | `string` | `"tamr_rds_db"` | no |
 | security\_group\_name | Name for the security group for the rds instance | `string` | `"tamr_rds_sg"` | no |

main.tf

@@ -1,6 +1,6 @@
 resource "aws_db_parameter_group" "rds_postgres_pg" {
   name        = var.parameter_group_name
-  family      = "postgres9.6"
+  family      = var.parameter_group_family
   description = "TAMR RDS parameter group"
   tags        = var.additional_tags
 }

variables.tf

@@ -130,5 +130,10 @@ variable "engine_version" {
   description = "Version of RDS Postgres"
   type        = string
   default     = "12.3"
+}
 
+variable "parameter_group_family" {
+  description = "The family of the DB parameter group"
+  type        = string
+  default     = "postgres12"
 }