feat!: Raise MSV of Terraform and AWS provider to v1.5.7 and v6.0.0 respectively, add support for region argument

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/antonbabenko/pre-commit-terraform
-    rev: v1.96.1
+    rev: v1.100.0
     hooks:
       - id: terraform_fmt
       - id: terraform_docs
@@ -23,7 +23,7 @@ repos:
           - '--args=--only=terraform_workspace_remote'
       - id: terraform_validate
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: check-merge-conflict
       - id: end-of-file-fixer

README.md

@@ -7,7 +7,6 @@ Terraform module which creates Transit Gateway resources on AWS.
 ```hcl
 module "tgw" {
   source  = "terraform-aws-modules/transit-gateway/aws"
-  version = "~> 2.0"
 
   name        = "my-tgw"
   description = "My TGW shared with several other AWS accounts"
@@ -16,8 +15,8 @@ module "tgw" {
 
   vpc_attachments = {
     vpc = {
-      vpc_id       = module.vpc.vpc_id
-      subnet_ids   = module.vpc.private_subnets
+      vpc_id       = "vpc-1234556abcdef"
+      subnet_ids   = ["subnet-abcde012", "subnet-bcde012a", "subnet-fghi345a"]
       dns_support  = true
       ipv6_support = true
 
@@ -26,36 +25,21 @@ module "tgw" {
           destination_cidr_block = "30.0.0.0/16"
         },
         {
-          blackhole = true
+          blackhole              = true
           destination_cidr_block = "40.0.0.0/20"
         }
       ]
     }
   }
 
   ram_allow_external_principals = true
-  ram_principals = [307990089504]
+  ram_principals                = [307990089504]
 
   tags = {
-    Purpose = "tgw-complete-example"
+    Terraform   = "true"
+    Environment = "dev"
   }
 }
-
-module "vpc" {
-  source  = "terraform-aws-modules/vpc/aws"
-  version = "~> 3.0"
-
-  name = "my-vpc"
-
-  cidr = "10.10.0.0/16"
-
-  azs             = ["eu-west-1a", "eu-west-1b", "eu-west-1c"]
-  private_subnets = ["10.10.1.0/24", "10.10.2.0/24", "10.10.3.0/24"]
-
-  enable_ipv6                                    = true
-  private_subnet_assign_ipv6_address_on_creation = true
-  private_subnet_ipv6_prefixes                   = [0, 1, 2]
-}
 ```
 
 ## Examples
@@ -68,14 +52,14 @@ module "vpc" {
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.1 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.4 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5.7 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 6.0 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 4.4 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 6.0 |
 
 ## Modules
 
@@ -119,13 +103,14 @@ No modules.
 | <a name="input_ram_principals"></a> [ram\_principals](#input\_ram\_principals) | A list of principals to share TGW with. Possible values are an AWS account ID, an AWS Organizations Organization ARN, or an AWS Organizations Organization Unit ARN | `list(string)` | `[]` | no |
 | <a name="input_ram_resource_share_arn"></a> [ram\_resource\_share\_arn](#input\_ram\_resource\_share\_arn) | ARN of RAM resource share | `string` | `""` | no |
 | <a name="input_ram_tags"></a> [ram\_tags](#input\_ram\_tags) | Additional tags for the RAM | `map(string)` | `{}` | no |
+| <a name="input_region"></a> [region](#input\_region) | Region where the resource(s) will be managed. Defaults to the region set in the provider configuration | `string` | `null` | no |
 | <a name="input_share_tgw"></a> [share\_tgw](#input\_share\_tgw) | Whether to share your transit gateway with other accounts | `bool` | `true` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | A map of tags to add to all resources | `map(string)` | `{}` | no |
 | <a name="input_tgw_default_route_table_tags"></a> [tgw\_default\_route\_table\_tags](#input\_tgw\_default\_route\_table\_tags) | Additional tags for the Default TGW route table | `map(string)` | `{}` | no |
 | <a name="input_tgw_route_table_tags"></a> [tgw\_route\_table\_tags](#input\_tgw\_route\_table\_tags) | Additional tags for the TGW route table | `map(string)` | `{}` | no |
 | <a name="input_tgw_tags"></a> [tgw\_tags](#input\_tgw\_tags) | Additional tags for the TGW | `map(string)` | `{}` | no |
 | <a name="input_tgw_vpc_attachment_tags"></a> [tgw\_vpc\_attachment\_tags](#input\_tgw\_vpc\_attachment\_tags) | Additional tags for VPC attachments | `map(string)` | `{}` | no |
-| <a name="input_timeouts"></a> [timeouts](#input\_timeouts) | Create, update, and delete timeout configurations for the transit gateway | `map(string)` | `{}` | no |
+| <a name="input_timeouts"></a> [timeouts](#input\_timeouts) | Create, update, and delete timeout configurations for the transit gateway | <pre>object({<br/>    create = optional(bool)<br/>    update = optional(bool)<br/>    delete = optional(bool)<br/>  })</pre> | `null` | no |
 | <a name="input_transit_gateway_cidr_blocks"></a> [transit\_gateway\_cidr\_blocks](#input\_transit\_gateway\_cidr\_blocks) | One or more IPv4 or IPv6 CIDR blocks for the transit gateway. Must be a size /24 CIDR block or larger for IPv4, or a size /64 CIDR block or larger for IPv6 | `list(string)` | `[]` | no |
 | <a name="input_transit_gateway_route_table_id"></a> [transit\_gateway\_route\_table\_id](#input\_transit\_gateway\_route\_table\_id) | Identifier of EC2 Transit Gateway Route Table to use with the Target Gateway when reusing it between multiple TGWs | `string` | `null` | no |
 | <a name="input_vpc_attachments"></a> [vpc\_attachments](#input\_vpc\_attachments) | Maps of maps of VPC details to attach to TGW. Type 'any' to disable type validation by Terraform. | `any` | `{}` | no |

examples/README.md

@@ -0,0 +1,5 @@
+# Examples
+
+The examples provided demonstrate different cluster configurations that users can create with the modules provided.
+
+Please do not mistake the examples provided as "best practices". It is up to users to consult the AWS service documentation for best practices, usage recommendations, etc.

examples/complete/README.md

@@ -19,24 +19,28 @@ Note that this example may create resources which cost money. Run `terraform des
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.4 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5.7 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 6.0 |
 
 ## Providers
 
-No providers.
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 6.0 |
 
 ## Modules
 
 | Name | Source | Version |
 |------|--------|---------|
 | <a name="module_tgw"></a> [tgw](#module\_tgw) | ../../ | n/a |
-| <a name="module_vpc1"></a> [vpc1](#module\_vpc1) | terraform-aws-modules/vpc/aws | ~> 5.0 |
-| <a name="module_vpc2"></a> [vpc2](#module\_vpc2) | terraform-aws-modules/vpc/aws | ~> 5.0 |
+| <a name="module_vpc1"></a> [vpc1](#module\_vpc1) | terraform-aws-modules/vpc/aws | ~> 6.0 |
+| <a name="module_vpc2"></a> [vpc2](#module\_vpc2) | terraform-aws-modules/vpc/aws | ~> 6.0 |
 
 ## Resources
 
-No resources.
+| Name | Type |
+|------|------|
+| [aws_availability_zones.available](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/availability_zones) | data source |
 
 ## Inputs
 

examples/complete/main.tf

@@ -2,14 +2,20 @@ provider "aws" {
   region = local.region
 }
 
+data "aws_availability_zones" "available" {}
+
 locals {
-  name   = "ex-tgw-${replace(basename(path.cwd), "_", "-")}"
   region = "eu-west-1"
+  name   = "ex-${basename(path.cwd)}"
+
+  vpc1_cidr = "10.10.0.0/16"
+  vpc2_cidr = "10.20.0.0/16"
+  azs       = slice(data.aws_availability_zones.available.names, 0, 3)
 
   tags = {
+    Name       = local.name
     Example    = local.name
-    GithubRepo = "terraform-aws-eks"
-    GithubOrg  = "terraform-aws-transit-gateway"
+    Repository = "https://github.com/terraform-aws-modules/terraform-aws-transit-gateway"
   }
 }
 
@@ -87,13 +93,13 @@ module "tgw" {
 
 module "vpc1" {
   source  = "terraform-aws-modules/vpc/aws"
-  version = "~> 5.0"
+  version = "~> 6.0"
 
-  name = "${local.name}-vpc1"
-  cidr = "10.10.0.0/16"
+  name = "${local.name}-1"
+  cidr = local.vpc1_cidr
 
-  azs             = ["${local.region}a", "${local.region}b", "${local.region}c"]
-  private_subnets = ["10.10.1.0/24", "10.10.2.0/24", "10.10.3.0/24"]
+  azs             = local.azs
+  private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc1_cidr, 8, k)]
 
   enable_ipv6                                    = true
   private_subnet_assign_ipv6_address_on_creation = true
@@ -104,13 +110,13 @@ module "vpc1" {
 
 module "vpc2" {
   source  = "terraform-aws-modules/vpc/aws"
-  version = "~> 5.0"
+  version = "~> 6.0"
 
-  name = "${local.name}-vpc2"
-  cidr = "10.20.0.0/16"
+  name = "${local.name}-2"
+  cidr = local.vpc2_cidr
 
-  azs             = ["${local.region}a", "${local.region}b", "${local.region}c"]
-  private_subnets = ["10.20.1.0/24", "10.20.2.0/24", "10.20.3.0/24"]
+  azs             = local.azs
+  private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc2_cidr, 8, k)]
 
   enable_ipv6 = false
 

examples/complete/versions.tf

@@ -1,10 +1,10 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.5.7"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.4"
+      version = ">= 6.0"
     }
   }
 }

examples/multi-account/README.md

@@ -19,25 +19,29 @@ Note that this example may create resources which cost money. Run `terraform des
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.4 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5.7 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 6.0 |
 
 ## Providers
 
-No providers.
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 6.0 |
 
 ## Modules
 
 | Name | Source | Version |
 |------|--------|---------|
 | <a name="module_tgw"></a> [tgw](#module\_tgw) | ../../ | n/a |
 | <a name="module_tgw_peer"></a> [tgw\_peer](#module\_tgw\_peer) | ../../ | n/a |
-| <a name="module_vpc1"></a> [vpc1](#module\_vpc1) | terraform-aws-modules/vpc/aws | ~> 5.0 |
-| <a name="module_vpc2"></a> [vpc2](#module\_vpc2) | terraform-aws-modules/vpc/aws | ~> 5.0 |
+| <a name="module_vpc1"></a> [vpc1](#module\_vpc1) | terraform-aws-modules/vpc/aws | ~> 6.0 |
+| <a name="module_vpc2"></a> [vpc2](#module\_vpc2) | terraform-aws-modules/vpc/aws | ~> 6.0 |
 
 ## Resources
 
-No resources.
+| Name | Type |
+|------|------|
+| [aws_availability_zones.available](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/availability_zones) | data source |
 
 ## Inputs
 

examples/multi-account/main.tf

@@ -8,14 +8,20 @@ provider "aws" {
   alias  = "peer"
 }
 
+data "aws_availability_zones" "available" {}
+
 locals {
-  name   = "ex-tgw-${replace(basename(path.cwd), "_", "-")}"
   region = "eu-west-1"
+  name   = "ex-${basename(path.cwd)}"
+
+  vpc1_cidr = "10.10.0.0/16"
+  vpc2_cidr = "10.20.0.0/16"
+  azs       = slice(data.aws_availability_zones.available.names, 0, 3)
 
   tags = {
+    Name       = local.name
     Example    = local.name
-    GithubRepo = "terraform-aws-eks"
-    GithubOrg  = "terraform-aws-transit-gateway"
+    Repository = "https://github.com/terraform-aws-modules/terraform-aws-transit-gateway"
   }
 }
 
@@ -131,13 +137,13 @@ module "tgw_peer" {
 
 module "vpc1" {
   source  = "terraform-aws-modules/vpc/aws"
-  version = "~> 5.0"
+  version = "~> 6.0"
 
-  name = "${local.name}-vpc1"
-  cidr = "10.10.0.0/16"
+  name = "${local.name}-1"
+  cidr = local.vpc1_cidr
 
-  azs             = ["${local.region}a", "${local.region}b", "${local.region}c"]
-  private_subnets = ["10.10.1.0/24", "10.10.2.0/24", "10.10.3.0/24"]
+  azs             = local.azs
+  private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc1_cidr, 8, k)]
 
   enable_ipv6                                    = true
   private_subnet_assign_ipv6_address_on_creation = true
@@ -146,20 +152,15 @@ module "vpc1" {
   tags = local.tags
 }
 
-
 module "vpc2" {
   source  = "terraform-aws-modules/vpc/aws"
-  version = "~> 5.0"
-
-  providers = {
-    aws = aws.peer
-  }
+  version = "~> 6.0"
 
-  name = "${local.name}-vpc2"
-  cidr = "10.20.0.0/16"
+  name = "${local.name}-2"
+  cidr = local.vpc2_cidr
 
-  azs             = ["${local.region}a", "${local.region}b", "${local.region}c"]
-  private_subnets = ["10.20.1.0/24", "10.20.2.0/24", "10.20.3.0/24"]
+  azs             = local.azs
+  private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc2_cidr, 8, k)]
 
   enable_ipv6 = false
 

examples/multi-account/versions.tf

@@ -1,10 +1,10 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.5.7"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.4"
+      version = ">= 6.0"
     }
   }
 }