feat: Adding VPC endpoint for DMS (#564)

Author: andormarkus

README.md

@@ -26,7 +26,7 @@ Git-Codecommit, Textract, Transfer Server, Kinesis Streams, Kinesis Firehose, Sa
 CloudFormation, CodePipeline, Storage Gateway, AppMesh, Transfer, Service Catalog, AppStream API, AppStream Streaming,
 Athena, Rekognition, Elastic File System (EFS), Cloud Directory, Elastic Beanstalk (+ Health), Elastic Map Reduce(EMR),
 DataSync, EBS, SMS, Elastic Inference Runtime, QLDB Session, Step Functions, Access Analyzer, Auto Scaling Plans,
-Application Auto Scaling, Workspaces, ACM PCA, RDS, CodeDeploy, CodeDeploy Commands Secure
+Application Auto Scaling, Workspaces, ACM PCA, RDS, CodeDeploy, CodeDeploy Commands Secure, DMS
 
 * [RDS DB Subnet Group](https://www.terraform.io/docs/providers/aws/r/db_subnet_group.html)
 * [ElastiCache Subnet Group](https://www.terraform.io/docs/providers/aws/r/elasticache_subnet_group.html)
@@ -350,6 +350,9 @@ It is possible to integrate this VPC module with [terraform-aws-transit-gateway
 | dhcp\_options\_netbios\_node\_type | Specify netbios node\_type for DHCP options set (requires enable\_dhcp\_options set to true) | `string` | `""` | no |
 | dhcp\_options\_ntp\_servers | Specify a list of NTP servers for DHCP options set (requires enable\_dhcp\_options set to true) | `list(string)` | `[]` | no |
 | dhcp\_options\_tags | Additional tags for the DHCP option set (requires enable\_dhcp\_options set to true) | `map(string)` | `{}` | no |
+| dms\_endpoint\_private\_dns\_enabled | Whether or not to associate a private hosted zone with the specified VPC for DMS endpoint | `bool` | `false` | no |
+| dms\_endpoint\_security\_group\_ids | The ID of one or more security groups to associate with the network interface for DMS endpoint | `list(string)` | `[]` | no |
+| dms\_endpoint\_subnet\_ids | The ID of one or more subnets in which to create a network interface for DMS endpoint. Only a single subnet within an AZ is supported. If omitted, private subnets will be used. | `list(string)` | `[]` | no |
 | ebs\_endpoint\_private\_dns\_enabled | Whether or not to associate a private hosted zone with the specified VPC for EBS endpoint | `bool` | `false` | no |
 | ebs\_endpoint\_security\_group\_ids | The ID of one or more security groups to associate with the network interface for EBS endpoint | `list(string)` | `[]` | no |
 | ebs\_endpoint\_subnet\_ids | The ID of one or more subnets in which to create a network interface for EBS endpoint. Only a single subnet within an AZ is supported. Ifomitted, private subnets will be used. | `list(string)` | `[]` | no |
@@ -428,6 +431,7 @@ It is possible to integrate this VPC module with [terraform-aws-transit-gateway
 | enable\_config\_endpoint | Should be true if you want to provision an config endpoint to the VPC | `bool` | `false` | no |
 | enable\_datasync\_endpoint | Should be true if you want to provision an Data Sync endpoint to the VPC | `bool` | `false` | no |
 | enable\_dhcp\_options | Should be true if you want to specify a DHCP options set with a custom domain name, DNS servers, NTP servers, netbios servers, and/or netbios server type | `bool` | `false` | no |
+| enable\_dms\_endpoint | Should be true if you want to provision a DMS endpoint to the VPC | `bool` | `false` | no |
 | enable\_dns\_hostnames | Should be true to enable DNS hostnames in the VPC | `bool` | `false` | no |
 | enable\_dns\_support | Should be true to enable DNS support in the VPC | `bool` | `true` | no |
 | enable\_dynamodb\_endpoint | Should be true if you want to provision a DynamoDB endpoint to the VPC | `bool` | `false` | no |
@@ -799,6 +803,9 @@ It is possible to integrate this VPC module with [terraform-aws-transit-gateway
 | vpc\_endpoint\_datasync\_dns\_entry | The DNS entries for the VPC Endpoint for DataSync. |
 | vpc\_endpoint\_datasync\_id | The ID of VPC endpoint for DataSync |
 | vpc\_endpoint\_datasync\_network\_interface\_ids | One or more network interfaces for the VPC Endpoint for DataSync. |
+| vpc\_endpoint\_dms\_dns\_entry | The DNS entries for the VPC Endpoint for DMS. |
+| vpc\_endpoint\_dms\_id | The ID of VPC endpoint for DMS |
+| vpc\_endpoint\_dms\_network\_interface\_ids | One or more network interfaces for the VPC Endpoint for DMS. |
 | vpc\_endpoint\_dynamodb\_id | The ID of VPC endpoint for DynamoDB |
 | vpc\_endpoint\_dynamodb\_pl\_id | The prefix list for the DynamoDB VPC endpoint. |
 | vpc\_endpoint\_ebs\_dns\_entry | The DNS entries for the VPC Endpoint for EBS. |

outputs.tf

@@ -1407,6 +1407,21 @@ output "vpc_endpoint_codeartifact_repositories_dns_entry" {
   value       = flatten(aws_vpc_endpoint.codeartifact_repositories.*.dns_entry)
 }
 
+output "vpc_endpoint_dms_id" {
+  description = "The ID of VPC endpoint for DMS"
+  value       = concat(aws_vpc_endpoint.sns.*.id, [""])[0]
+}
+
+output "vpc_endpoint_dms_network_interface_ids" {
+  description = "One or more network interfaces for the VPC Endpoint for DMS."
+  value       = flatten(aws_vpc_endpoint.sns.*.network_interface_ids)
+}
+
+output "vpc_endpoint_dms_dns_entry" {
+  description = "The DNS entries for the VPC Endpoint for DMS."
+  value       = flatten(aws_vpc_endpoint.sns.*.dns_entry)
+}
+
 output "vpc_endpoint_rds_id" {
   description = "The ID of VPC endpoint for RDS"
   value       = concat(aws_vpc_endpoint.rds.*.id, [""])[0]
@@ -1422,7 +1437,6 @@ output "vpc_endpoint_rds_dns_entry" {
   value       = flatten(aws_vpc_endpoint.rds.*.dns_entry)
 }
 
-
 # VPC flow log
 output "vpc_flow_log_id" {
   description = "The ID of the Flow Log resource"

variables.tf

@@ -1883,6 +1883,30 @@ variable "acm_pca_endpoint_private_dns_enabled" {
   default     = false
 }
 
+variable "enable_dms_endpoint" {
+  description = "Should be true if you want to provision a DMS endpoint to the VPC"
+  type        = bool
+  default     = false
+}
+
+variable "dms_endpoint_security_group_ids" {
+  description = "The ID of one or more security groups to associate with the network interface for DMS endpoint"
+  type        = list(string)
+  default     = []
+}
+
+variable "dms_endpoint_subnet_ids" {
+  description = "The ID of one or more subnets in which to create a network interface for DMS endpoint. Only a single subnet within an AZ is supported. If omitted, private subnets will be used."
+  type        = list(string)
+  default     = []
+}
+
+variable "dms_endpoint_private_dns_enabled" {
+  description = "Whether or not to associate a private hosted zone with the specified VPC for DMS endpoint"
+  type        = bool
+  default     = false
+}
+
 variable "map_public_ip_on_launch" {
   description = "Should be false if you do not want to auto-assign public IP on launch"
   type        = bool

vpc-endpoints.tf

@@ -1529,3 +1529,27 @@ resource "aws_vpc_endpoint" "codeartifact_repositories" {
 
   tags = local.vpce_tags
 }
+
+
+#############################################
+# VPC Endpoint for Database Migration Service
+#############################################
+data "aws_vpc_endpoint_service" "dms" {
+  count = var.create_vpc && var.dms_endpoint_subnet_ids ? 1 : 0
+
+  service = "dms"
+}
+
+resource "aws_vpc_endpoint" "dms" {
+  count = var.create_vpc && var.enable_dms_endpoint ? 1 : 0
+
+  vpc_id            = local.vpc_id
+  service_name      = data.aws_vpc_endpoint_service.dms[0].service_name
+  vpc_endpoint_type = "Interface"
+
+  security_group_ids  = var.dms_endpoint_security_group_ids
+  subnet_ids          = coalescelist(var.dms_endpoint_subnet_ids, aws_subnet.private.*.id)
+  private_dns_enabled = var.dms_endpoint_private_dns_enabled
+
+  tags = local.vpce_tags
+}