add external_nat_ips variable to deal with empty nat_public_ips output

examples/complete-vpc/README.md

@@ -17,10 +17,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 | Name | Version |

examples/ipv6/README.md

@@ -15,10 +15,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 | Name | Version |

examples/issue-108-route-already-exists/README.md

@@ -19,10 +19,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

examples/issue-44-asymmetric-private-subnets/README.md

@@ -17,10 +17,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

examples/issue-46-no-private-subnets/README.md

@@ -17,10 +17,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

examples/manage-default-vpc/README.md

@@ -17,10 +17,6 @@ $ terraform apply
 Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

examples/network-acls/README.md

@@ -19,10 +19,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

examples/secondary-cidr-blocks/README.md

@@ -17,10 +17,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

examples/simple-vpc/README.md

@@ -21,10 +21,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 | Name | Version |

examples/test_fixture/README.md

@@ -21,10 +21,6 @@ Finished in 4.25 seconds (files took 2.75 seconds to load)
 This will destroy any existing test resources, create the resources afresh, run the tests, report back, and destroy the resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 | Name | Version |
@@ -34,7 +30,7 @@ No requirements.
 ## Inputs
 
 | Name | Description | Type | Default | Required |
-|------|-------------|------|---------|:--------:|
+|------|-------------|------|---------|:-----:|
 | region | n/a | `string` | `"eu-west-1"` | no |
 
 ## Outputs

examples/vpc-flow-logs/README.md

@@ -19,10 +19,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 | Name | Version |

examples/vpc-separate-private-route-tables/README.md

@@ -17,10 +17,6 @@ $ terraform apply
 Note that this example may create resources which can cost money (AWS Elastic IP, for example). Run `terraform destroy` when you don't need these resources.
 
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-## Requirements
-
-No requirements.
-
 ## Providers
 
 No provider.

outputs.tf

@@ -320,7 +320,7 @@ output "nat_ids" {
 
 output "nat_public_ips" {
   description = "List of public Elastic IPs created for AWS NAT Gateway"
-  value       = aws_eip.nat.*.public_ip
+  value       = var.reuse_nat_ips ? var.external_nat_ips : aws_eip.nat.*.public_ip
 }
 
 output "natgw_ids" {

variables.tf

@@ -298,6 +298,12 @@ variable "external_nat_ip_ids" {
   default     = []
 }
 
+variable "external_nat_ips" {
+  description = "List of EIPs to be assigned to the NAT Gateways (used in combination with reuse_nat_ips)"
+  type        = list(string)
+  default     = []
+}
+
 variable "enable_dynamodb_endpoint" {
   description = "Should be true if you want to provision a DynamoDB endpoint to the VPC"
   type        = bool