feat: Add support for naming and tagging subnet groups (#688)

README.md

@@ -189,13 +189,13 @@ It is possible to integrate this VPC module with [terraform-aws-transit-gateway
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12.31 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.28 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.38 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.28 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.38 |
 
 ## Modules
 
@@ -346,6 +346,8 @@ No modules.
 | <a name="input_elasticache_outbound_acl_rules"></a> [elasticache\_outbound\_acl\_rules](#input\_elasticache\_outbound\_acl\_rules) | Elasticache subnets outbound network ACL rules | `list(map(string))` | <pre>[<br>  {<br>    "cidr_block": "0.0.0.0/0",<br>    "from_port": 0,<br>    "protocol": "-1",<br>    "rule_action": "allow",<br>    "rule_number": 100,<br>    "to_port": 0<br>  }<br>]</pre> | no |
 | <a name="input_elasticache_route_table_tags"></a> [elasticache\_route\_table\_tags](#input\_elasticache\_route\_table\_tags) | Additional tags for the elasticache route tables | `map(string)` | `{}` | no |
 | <a name="input_elasticache_subnet_assign_ipv6_address_on_creation"></a> [elasticache\_subnet\_assign\_ipv6\_address\_on\_creation](#input\_elasticache\_subnet\_assign\_ipv6\_address\_on\_creation) | Assign IPv6 address on elasticache subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map\_public\_ip\_on\_launch | `bool` | `null` | no |
+| <a name="input_elasticache_subnet_group_name"></a> [elasticache\_subnet\_group\_name](#input\_elasticache\_subnet\_group\_name) | Name of elasticache subnet group | `string` | `null` | no |
+| <a name="input_elasticache_subnet_group_tags"></a> [elasticache\_subnet\_group\_tags](#input\_elasticache\_subnet\_group\_tags) | Additional tags for the elasticache subnet group | `map(string)` | `{}` | no |
 | <a name="input_elasticache_subnet_ipv6_prefixes"></a> [elasticache\_subnet\_ipv6\_prefixes](#input\_elasticache\_subnet\_ipv6\_prefixes) | Assigns IPv6 elasticache subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list | `list(string)` | `[]` | no |
 | <a name="input_elasticache_subnet_suffix"></a> [elasticache\_subnet\_suffix](#input\_elasticache\_subnet\_suffix) | Suffix to append to elasticache subnets name | `string` | `"elasticache"` | no |
 | <a name="input_elasticache_subnet_tags"></a> [elasticache\_subnet\_tags](#input\_elasticache\_subnet\_tags) | Additional tags for the elasticache subnets | `map(string)` | `{}` | no |
@@ -432,6 +434,7 @@ No modules.
 | <a name="input_redshift_outbound_acl_rules"></a> [redshift\_outbound\_acl\_rules](#input\_redshift\_outbound\_acl\_rules) | Redshift subnets outbound network ACL rules | `list(map(string))` | <pre>[<br>  {<br>    "cidr_block": "0.0.0.0/0",<br>    "from_port": 0,<br>    "protocol": "-1",<br>    "rule_action": "allow",<br>    "rule_number": 100,<br>    "to_port": 0<br>  }<br>]</pre> | no |
 | <a name="input_redshift_route_table_tags"></a> [redshift\_route\_table\_tags](#input\_redshift\_route\_table\_tags) | Additional tags for the redshift route tables | `map(string)` | `{}` | no |
 | <a name="input_redshift_subnet_assign_ipv6_address_on_creation"></a> [redshift\_subnet\_assign\_ipv6\_address\_on\_creation](#input\_redshift\_subnet\_assign\_ipv6\_address\_on\_creation) | Assign IPv6 address on redshift subnet, must be disabled to change IPv6 CIDRs. This is the IPv6 equivalent of map\_public\_ip\_on\_launch | `bool` | `null` | no |
+| <a name="input_redshift_subnet_group_name"></a> [redshift\_subnet\_group\_name](#input\_redshift\_subnet\_group\_name) | Name of redshift subnet group | `string` | `null` | no |
 | <a name="input_redshift_subnet_group_tags"></a> [redshift\_subnet\_group\_tags](#input\_redshift\_subnet\_group\_tags) | Additional tags for the redshift subnet group | `map(string)` | `{}` | no |
 | <a name="input_redshift_subnet_ipv6_prefixes"></a> [redshift\_subnet\_ipv6\_prefixes](#input\_redshift\_subnet\_ipv6\_prefixes) | Assigns IPv6 redshift subnet id based on the Amazon provided /56 prefix base 10 integer (0-256). Must be of equal length to the corresponding IPv4 subnet list | `list(string)` | `[]` | no |
 | <a name="input_redshift_subnet_suffix"></a> [redshift\_subnet\_suffix](#input\_redshift\_subnet\_suffix) | Suffix to append to redshift subnets name | `string` | `"redshift"` | no |

main.tf

@@ -525,13 +525,13 @@ resource "aws_subnet" "redshift" {
 resource "aws_redshift_subnet_group" "redshift" {
   count = var.create_vpc && length(var.redshift_subnets) > 0 && var.create_redshift_subnet_group ? 1 : 0
 
-  name        = lower(var.name)
+  name        = lower(coalesce(var.redshift_subnet_group_name, var.name))
   description = "Redshift subnet group for ${var.name}"
   subnet_ids  = aws_subnet.redshift.*.id
 
   tags = merge(
     {
-      "Name" = format("%s", var.name)
+      "Name" = format("%s", coalesce(var.redshift_subnet_group_name, var.name))
     },
     var.tags,
     var.redshift_subnet_group_tags,
@@ -569,9 +569,17 @@ resource "aws_subnet" "elasticache" {
 resource "aws_elasticache_subnet_group" "elasticache" {
   count = var.create_vpc && length(var.elasticache_subnets) > 0 && var.create_elasticache_subnet_group ? 1 : 0
 
-  name        = var.name
+  name        = coalesce(var.elasticache_subnet_group_name, var.name)
   description = "ElastiCache subnet group for ${var.name}"
   subnet_ids  = aws_subnet.elasticache.*.id
+
+  tags = merge(
+    {
+      "Name" = format("%s", coalesce(var.elasticache_subnet_group_name, var.name))
+    },
+    var.tags,
+    var.elasticache_subnet_group_tags,
+  )
 }
 
 ################################################################################

variables.tf

@@ -502,12 +502,30 @@ variable "redshift_subnet_tags" {
   default     = {}
 }
 
+variable "redshift_subnet_group_name" {
+  description = "Name of redshift subnet group"
+  type        = string
+  default     = null
+}
+
 variable "redshift_subnet_group_tags" {
   description = "Additional tags for the redshift subnet group"
   type        = map(string)
   default     = {}
 }
 
+variable "elasticache_subnet_group_name" {
+  description = "Name of elasticache subnet group"
+  type        = string
+  default     = null
+}
+
+variable "elasticache_subnet_group_tags" {
+  description = "Additional tags for the elasticache subnet group"
+  type        = map(string)
+  default     = {}
+}
+
 variable "elasticache_subnet_tags" {
   description = "Additional tags for the elasticache subnets"
   type        = map(string)

versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 3.28"
+      version = ">= 3.38"
     }
   }
 }