feat: Support defining tags per subnet name

README.md

@@ -536,6 +536,7 @@ No modules.
 | <a name="input_private_subnet_suffix"></a> [private\_subnet\_suffix](#input\_private\_subnet\_suffix) | Suffix to append to private subnets name | `string` | `"private"` | no |
 | <a name="input_private_subnet_tags"></a> [private\_subnet\_tags](#input\_private\_subnet\_tags) | Additional tags for the private subnets | `map(string)` | `{}` | no |
 | <a name="input_private_subnet_tags_per_az"></a> [private\_subnet\_tags\_per\_az](#input\_private\_subnet\_tags\_per\_az) | Additional tags for the private subnets where the primary key is the AZ | `map(map(string))` | `{}` | no |
+| <a name="input_private_subnet_tags_per_name"></a> [private\_subnet\_tags\_per\_name](#input\_private\_subnet\_tags\_per\_name) | Additional tags for the private subnets where the primary key is the subnet name | `map(map(string))` | `{}` | no |
 | <a name="input_private_subnets"></a> [private\_subnets](#input\_private\_subnets) | A list of private subnets inside the VPC | `list(string)` | `[]` | no |
 | <a name="input_propagate_intra_route_tables_vgw"></a> [propagate\_intra\_route\_tables\_vgw](#input\_propagate\_intra\_route\_tables\_vgw) | Should be true if you want route table propagation | `bool` | `false` | no |
 | <a name="input_propagate_private_route_tables_vgw"></a> [propagate\_private\_route\_tables\_vgw](#input\_propagate\_private\_route\_tables\_vgw) | Should be true if you want route table propagation | `bool` | `false` | no |
@@ -556,6 +557,7 @@ No modules.
 | <a name="input_public_subnet_suffix"></a> [public\_subnet\_suffix](#input\_public\_subnet\_suffix) | Suffix to append to public subnets name | `string` | `"public"` | no |
 | <a name="input_public_subnet_tags"></a> [public\_subnet\_tags](#input\_public\_subnet\_tags) | Additional tags for the public subnets | `map(string)` | `{}` | no |
 | <a name="input_public_subnet_tags_per_az"></a> [public\_subnet\_tags\_per\_az](#input\_public\_subnet\_tags\_per\_az) | Additional tags for the public subnets where the primary key is the AZ | `map(map(string))` | `{}` | no |
+| <a name="input_public_subnet_tags_per_name"></a> [public\_subnet\_tags\_per\_name](#input\_public\_subnet\_tags\_per\_name) | Additional tags for the public subnets where the primary key is the subnet name | `map(map(string))` | `{}` | no |
 | <a name="input_public_subnets"></a> [public\_subnets](#input\_public\_subnets) | A list of public subnets inside the VPC | `list(string)` | `[]` | no |
 | <a name="input_putin_khuylo"></a> [putin\_khuylo](#input\_putin\_khuylo) | Do you agree that Putin doesn't respect Ukrainian sovereignty and territorial integrity? More info: https://en.wikipedia.org/wiki/Putin_khuylo! | `bool` | `true` | no |
 | <a name="input_redshift_acl_tags"></a> [redshift\_acl\_tags](#input\_redshift\_acl\_tags) | Additional tags for the redshift subnets network ACL | `map(string)` | `{}` | no |

examples/complete/main.tf

@@ -37,6 +37,14 @@ module "vpc" {
   intra_subnets       = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 20)]
 
   private_subnet_names = ["Private Subnet One", "Private Subnet Two"]
+  private_subnet_tags_per_name = {
+    "Private Subnet One" = {
+      "subnet one" = "true"
+    },
+    "Private Subnet Two" = {
+      "subnet two" = "true"
+    }
+  }
   # public_subnet_names omitted to show default name generation for all three subnets
   database_subnet_names    = ["DB Subnet One"]
   elasticache_subnet_names = ["Elasticache Subnet One", "Elasticache Subnet Two"]

main.tf

@@ -120,7 +120,8 @@ resource "aws_subnet" "public" {
     },
     var.tags,
     var.public_subnet_tags,
-    lookup(var.public_subnet_tags_per_az, element(var.azs, count.index), {})
+    lookup(var.public_subnet_tags_per_az, element(var.azs, count.index), {}),
+    lookup(var.public_subnet_tags_per_name, try(var.public_subnet_names[count.index], ""), {})
   )
 }
 
@@ -255,7 +256,8 @@ resource "aws_subnet" "private" {
     },
     var.tags,
     var.private_subnet_tags,
-    lookup(var.private_subnet_tags_per_az, element(var.azs, count.index), {})
+    lookup(var.private_subnet_tags_per_az, element(var.azs, count.index), {}),
+    lookup(var.private_subnet_tags_per_name, try(var.private_subnet_names[count.index], ""), {})
   )
 }
 

variables.tf

@@ -256,6 +256,12 @@ variable "public_subnet_tags_per_az" {
   default     = {}
 }
 
+variable "public_subnet_tags_per_name" {
+  description = "Additional tags for the public subnets where the primary key is the subnet name"
+  type        = map(map(string))
+  default     = {}
+}
+
 variable "public_route_table_tags" {
   description = "Additional tags for the public route tables"
   type        = map(string)
@@ -390,6 +396,12 @@ variable "private_subnet_tags_per_az" {
   default     = {}
 }
 
+variable "private_subnet_tags_per_name" {
+  description = "Additional tags for the private subnets where the primary key is the subnet name"
+  type        = map(map(string))
+  default     = {}
+}
+
 variable "private_route_table_tags" {
   description = "Additional tags for the private route tables"
   type        = map(string)