add db_instance_type and db_engine_version to main (#55)

Author: wrbooth

README.md

@@ -108,6 +108,8 @@ resource "local_file" "metaflow_config" {
 | <a name="input_compute_environment_instance_types"></a> [compute\_environment\_instance\_types](#input\_compute\_environment\_instance\_types) | The instance types for the compute environment | `list(string)` | <pre>[<br>  "c4.large",<br>  "c4.xlarge",<br>  "c4.2xlarge",<br>  "c4.4xlarge",<br>  "c4.8xlarge"<br>]</pre> | no |
 | <a name="input_compute_environment_max_vcpus"></a> [compute\_environment\_max\_vcpus](#input\_compute\_environment\_max\_vcpus) | Maximum VCPUs for Batch Compute Environment [16-96] | `number` | `64` | no |
 | <a name="input_compute_environment_min_vcpus"></a> [compute\_environment\_min\_vcpus](#input\_compute\_environment\_min\_vcpus) | Minimum VCPUs for Batch Compute Environment [0-16] for EC2 Batch Compute Environment (ignored for Fargate) | `number` | `8` | no |
+| <a name="input_db_engine_version"></a> [db\_engine\_version](#input\_db\_engine\_version) | n/a | `string` | `"11"` | no |
+| <a name="input_db_instance_type"></a> [db\_instance\_type](#input\_db\_instance\_type) | RDS instance type to launch for PostgresQL database. | `string` | `"db.t2.small"` | no |
 | <a name="input_enable_custom_batch_container_registry"></a> [enable\_custom\_batch\_container\_registry](#input\_enable\_custom\_batch\_container\_registry) | Provisions infrastructure for custom Amazon ECR container registry if enabled | `bool` | `false` | no |
 | <a name="input_enable_step_functions"></a> [enable\_step\_functions](#input\_enable\_step\_functions) | Provisions infrastructure for step functions if enabled | `bool` | n/a | yes |
 | <a name="input_extra_ui_backend_env_vars"></a> [extra\_ui\_backend\_env\_vars](#input\_extra\_ui\_backend\_env\_vars) | Additional environment variables for UI backend container | `map(string)` | `{}` | no |

main.tf

@@ -11,6 +11,9 @@ module "metaflow-datastore" {
   subnet1_id                         = var.subnet1_id
   subnet2_id                         = var.subnet2_id
 
+  db_instance_type  = var.db_instance_type
+  db_engine_version = var.db_engine_version
+
   standard_tags = var.tags
 }
 

variables.tf

@@ -61,6 +61,17 @@ variable "compute_environment_egress_cidr_blocks" {
   description = "CIDR blocks to which egress is allowed from the Batch Compute environment's security group"
 }
 
+variable "db_instance_type" {
+  type        = string
+  description = "RDS instance type to launch for PostgresQL database."
+  default     = "db.t2.small"
+}
+
+variable "db_engine_version" {
+  type    = string
+  default = "11"
+}
+
 variable "launch_template_http_endpoint" {
   type        = string
   description = "Whether the metadata service is available. Can be 'enabled' or 'disabled'"