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6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -43,6 +43,12 @@ Terraform Modules from [this package](https://github.com/tedilabs/terraform-aws-
- [vpc-simple](./examples/vpc-simple)
- [vpc-with-ipam](./examples/vpc-with-ipam)

### NAT Gateway

- [nat-gateway-public](./examples/nat-gateway-public/)
- [nat-gateway-private](./examples/nat-gateway-private/)
- [nat-gateway-private-secondary-ip-addresses](./examples/nat-gateway-private-secondary-ip-addresses)


## Other Terraform Modules from Tedilabs

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84 changes: 84 additions & 0 deletions examples/nat-gateway-private-secondary-ip-addresses/main.tf
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provider "aws" {
region = "us-east-1"
}

data "aws_vpc" "default" {
default = true
}

data "aws_subnets" "default" {
filter {
name = "vpc-id"
values = [data.aws_vpc.default.id]
}
}


###################################################
# Public NAT Gateway
###################################################

module "nat_gateway" {
source = "../../modules/nat-gateway"
# source = "tedilabs/network/aws//modules/nat-gateway"
# version = "~> 0.2.0"

name = "test-count"
is_private = true
subnet = data.aws_subnets.default.ids[0]


## Primary IP Address
primary_ip_assignment = {
# Automatically assign a public IP address to the NAT Gateway
private_ip = null
}


## Secondary IP Addresses
secondary_ip_count = 7


tags = {
"project" = "terraform-aws-network-examples"
}
}

module "nat_gateway_2" {
source = "../../modules/nat-gateway"
# source = "tedilabs/network/aws//modules/nat-gateway"
# version = "~> 0.2.0"

name = "test-assingments"
is_private = true
subnet = data.aws_subnets.default.ids[0]


## Primary IP Address
primary_ip_assignment = {
# Automatically assign a public IP address to the NAT Gateway
private_ip = "172.31.51.100"
}


## Secondary IP Addresses
secondary_ip_assignments = [
{
private_ip = "172.31.51.101"
},
{
private_ip = "172.31.51.102"
},
{
private_ip = "172.31.51.103"
},
{
private_ip = "172.31.51.104"
},
]


tags = {
"project" = "terraform-aws-network-examples"
}
}
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output "nat_gateway" {
description = "The NAT Gateways."
value = {
count = module.nat_gateway
assignments = module.nat_gateway_2
}
}
10 changes: 10 additions & 0 deletions examples/nat-gateway-private-secondary-ip-addresses/versions.tf
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terraform {
required_version = "~> 1.5"

required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 5.0"
}
}
}
41 changes: 41 additions & 0 deletions examples/nat-gateway-private/main.tf
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provider "aws" {
region = "us-east-1"
}

data "aws_vpc" "default" {
default = true
}

data "aws_subnets" "default" {
filter {
name = "vpc-id"
values = [data.aws_vpc.default.id]
}
}


###################################################
# Public NAT Gateway
###################################################

module "nat_gateway" {
source = "../../modules/nat-gateway"
# source = "tedilabs/network/aws//modules/nat-gateway"
# version = "~> 0.2.0"

name = "test/az1"
is_private = true
subnet = data.aws_subnets.default.ids[0]


## Primary IP Address
primary_ip_assignment = {
# Automatically assign a public IP address to the NAT Gateway
private_ip = null
}


tags = {
"project" = "terraform-aws-network-examples"
}
}
4 changes: 4 additions & 0 deletions examples/nat-gateway-private/outputs.tf
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output "nat_gateway" {
description = "The NAT Gateway."
value = module.nat_gateway
}
10 changes: 10 additions & 0 deletions examples/nat-gateway-private/versions.tf
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terraform {
required_version = "~> 1.5"

required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 5.0"
}
}
}
57 changes: 57 additions & 0 deletions examples/nat-gateway-public/main.tf
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provider "aws" {
region = "us-east-1"
}

data "aws_vpc" "default" {
default = true
}

data "aws_subnets" "default" {
filter {
name = "vpc-id"
values = [data.aws_vpc.default.id]
}
}


###################################################
# Elastic IP
###################################################

module "elastic_ip" {
source = "tedilabs/ipam/aws//modules/elastic-ip"
version = "~> 0.3.0"

name = "nat-gw-public"
type = "AMAZON"

tags = {
"project" = "terraform-aws-network-examples"
}
}


###################################################
# Public NAT Gateway
###################################################

module "nat_gateway" {
source = "../../modules/nat-gateway"
# source = "tedilabs/network/aws//modules/nat-gateway"
# version = "~> 0.2.0"

name = "test/az1"
is_private = false
subnet = data.aws_subnets.default.ids[0]


## Primary IP Address
primary_ip_assignment = {
elastic_ip = module.elastic_ip.id
}


tags = {
"project" = "terraform-aws-network-examples"
}
}
9 changes: 9 additions & 0 deletions examples/nat-gateway-public/outputs.tf
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output "elastic_ip" {
description = "The Elastic IP."
value = module.elastic_ip
}

output "nat_gateway" {
description = "The NAT Gateway."
value = module.nat_gateway
}
10 changes: 10 additions & 0 deletions examples/nat-gateway-public/versions.tf
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terraform {
required_version = "~> 1.5"

required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 5.0"
}
}
}
45 changes: 26 additions & 19 deletions modules/nat-gateway/README.md
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Expand Up @@ -10,14 +10,14 @@ This module creates following resources.

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.45 |
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.6 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.10 |

## Providers

| Name | Version |
|------|---------|
| <a name="provider_aws"></a> [aws](#provider\_aws) | 5.19.0 |
| <a name="provider_aws"></a> [aws](#provider\_aws) | 5.22.0 |

## Modules

Expand All @@ -29,32 +29,39 @@ This module creates following resources.

| Name | Type |
|------|------|
| [aws_eip.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource |
| [aws_nat_gateway.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/nat_gateway) | resource |
| [aws_subnet.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/subnet) | data source |

## Inputs

| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| <a name="input_name"></a> [name](#input\_name) | Desired name for the NAT Gateway resources. | `string` | n/a | yes |
| <a name="input_subnet_id"></a> [subnet\_id](#input\_subnet\_id) | The ID of the subnet which the NAT Gateway belongs to. | `string` | n/a | yes |
| <a name="input_assign_eip_on_create"></a> [assign\_eip\_on\_create](#input\_assign\_eip\_on\_create) | Assign a new Elastic IP to NAT Gateway on create. Set false if you want to provide existing Elastic IP. | `bool` | `false` | no |
| <a name="input_eip_id"></a> [eip\_id](#input\_eip\_id) | The Allocation ID of the Elastic IP address for the gateway. Create a new Elastic IP if not provided. | `string` | `""` | no |
| <a name="input_is_private"></a> [is\_private](#input\_is\_private) | Whether to create the gateway as private or public connectivity type. Defaults to public(false). | `bool` | `false` | no |
| <a name="input_module_tags_enabled"></a> [module\_tags\_enabled](#input\_module\_tags\_enabled) | Whether to create AWS Resource Tags for the module informations. | `bool` | `true` | no |
| <a name="input_resource_group_description"></a> [resource\_group\_description](#input\_resource\_group\_description) | The description of Resource Group. | `string` | `"Managed by Terraform."` | no |
| <a name="input_resource_group_enabled"></a> [resource\_group\_enabled](#input\_resource\_group\_enabled) | Whether to create Resource Group to find and group AWS resources which are created by this module. | `bool` | `true` | no |
| <a name="input_resource_group_name"></a> [resource\_group\_name](#input\_resource\_group\_name) | The name of Resource Group. A Resource Group name can have a maximum of 127 characters, including letters, numbers, hyphens, dots, and underscores. The name cannot start with `AWS` or `aws`. | `string` | `""` | no |
| <a name="input_tags"></a> [tags](#input\_tags) | A map of tags to add to all resources. | `map(string)` | `{}` | no |
| <a name="input_name"></a> [name](#input\_name) | (Required) Desired name for the NAT Gateway resources. | `string` | n/a | yes |
| <a name="input_subnet"></a> [subnet](#input\_subnet) | (Required) The Subnet ID of the subnet in which to place the NAT Gateway. | `string` | n/a | yes |
| <a name="input_is_private"></a> [is\_private](#input\_is\_private) | (Optional) Whether to create the NAT gateway as private or public connectivity type. Defaults to `false` (public). | `bool` | `false` | no |
| <a name="input_module_tags_enabled"></a> [module\_tags\_enabled](#input\_module\_tags\_enabled) | (Optional) Whether to create AWS Resource Tags for the module informations. | `bool` | `true` | no |
| <a name="input_primary_ip_assignment"></a> [primary\_ip\_assignment](#input\_primary\_ip\_assignment) | (Optional) A configuration to assign primary ip address with the NAT Gateway. `primary_ip_assignment` as defined below.<br> (Optional) `elastic_ip` - The allocation ID of Elastic IP address to associate with the NAT Gateway.<br> (Optional) `private_ip` - The private IP address to associate with the NAT Gateway. If you dont't provide an address, a private IPv4 address will be automatically assigned. | <pre>object({<br> elastic_ip = optional(string)<br> private_ip = optional(string)<br> })</pre> | `{}` | no |
| <a name="input_resource_group_description"></a> [resource\_group\_description](#input\_resource\_group\_description) | (Optional) The description of Resource Group. | `string` | `"Managed by Terraform."` | no |
| <a name="input_resource_group_enabled"></a> [resource\_group\_enabled](#input\_resource\_group\_enabled) | (Optional) Whether to create Resource Group to find and group AWS resources which are created by this module. | `bool` | `true` | no |
| <a name="input_resource_group_name"></a> [resource\_group\_name](#input\_resource\_group\_name) | (Optional) The name of Resource Group. A Resource Group name can have a maximum of 127 characters, including letters, numbers, hyphens, dots, and underscores. The name cannot start with `AWS` or `aws`. | `string` | `""` | no |
| <a name="input_secondary_ip_assignments"></a> [secondary\_ip\_assignments](#input\_secondary\_ip\_assignments) | (Optional) A configuration to assign secondary ip addresses with the NAT Gateway. Each block of `secondary_ip_assignments` as defined below.<br> (Optional) `elastic_ip` - The allocation ID of Elastic IP address to associate with the NAT Gateway.<br> (Optional) `private_ip` - The private IP address to associate with the NAT Gateway. If you dont't provide an address, a private IPv4 address will be automatically assigned. | <pre>list(object({<br> elastic_ip = optional(string)<br> private_ip = optional(string)<br> }))</pre> | `[]` | no |
| <a name="input_secondary_ip_count"></a> [secondary\_ip\_count](#input\_secondary\_ip\_count) | (Optional) The number of secondary private IPv4 addresses to assign to the NAT Gateway. Only used with private NAT Gateway. | `number` | `null` | no |
| <a name="input_tags"></a> [tags](#input\_tags) | (Optional) A map of tags to add to all resources. | `map(string)` | `{}` | no |
| <a name="input_timeouts"></a> [timeouts](#input\_timeouts) | (Optional) How long to wait for the NAT Gateway to be created/updated/deleted. | <pre>object({<br> create = optional(string, "10m")<br> update = optional(string, "10m")<br> delete = optional(string, "30m")<br> })</pre> | `{}` | no |

## Outputs

| Name | Description |
|------|-------------|
| <a name="output_connectivity_type"></a> [connectivity\_type](#output\_connectivity\_type) | Connectivity type for the gateway. Valid values are private and public. |
| <a name="output_eip_id"></a> [eip\_id](#output\_eip\_id) | The Allocation ID of the Elastic IP address for the gateway. |
| <a name="output_eni_id"></a> [eni\_id](#output\_eni\_id) | The ENI ID of the network interface created by the NAT gateway. |
| <a name="output_availability_zone"></a> [availability\_zone](#output\_availability\_zone) | The availability zone of the NAT Gateway.<br> `id` - The ID of the availability zone.<br> `name` - The name of the availability zone. |
| <a name="output_elastic_ip"></a> [elastic\_ip](#output\_elastic\_ip) | The Allocation ID of the Elastic IP address for the gateway. |
| <a name="output_id"></a> [id](#output\_id) | The ID of the NAT Gateway. |
| <a name="output_private_ip"></a> [private\_ip](#output\_private\_ip) | The private IP address of the NAT Gateway. |
| <a name="output_public_ip"></a> [public\_ip](#output\_public\_ip) | The public IP address of the NAT Gateway. |
| <a name="output_is_private"></a> [is\_private](#output\_is\_private) | Whether the NAT Gateway supports public or private connectivity. |
| <a name="output_name"></a> [name](#output\_name) | The name of the NAT Gateway. |
| <a name="output_netework_interface"></a> [netework\_interface](#output\_netework\_interface) | The ENI ID of the network interface created by the NAT gateway. |
| <a name="output_primary_private_ip"></a> [primary\_private\_ip](#output\_primary\_private\_ip) | The private IP address of the NAT Gateway. |
| <a name="output_primary_public_ip"></a> [primary\_public\_ip](#output\_primary\_public\_ip) | The public IP address of the NAT Gateway. |
| <a name="output_secondary_private_ips"></a> [secondary\_private\_ips](#output\_secondary\_private\_ips) | The secondary private IP addresses of the NAT Gateway. |
| <a name="output_subnet"></a> [subnet](#output\_subnet) | The subnet which the NAT Gateway belongs to.<br> `id` - The ID of the subnet.<br> `arn` - The ARN of the subnet. |
| <a name="output_vpc_id"></a> [vpc\_id](#output\_vpc\_id) | The VPC ID of the NAT Gateway. |
<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
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