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https://github.com/ukhomeoffice/dq-tf-peering


https://github.com/ukhomeoffice/dq-tf-peering

hodq terraform

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# DQ Terraform Peering module

This module describes required VPC components for deploying our modules into the DQ AWS environments.

It can be run against both Production and non-Production environments by setting a variable at runtime to switch the provider used.

## Content overview

This repo controls the deployment of our application modules.

It consists of the following core elements:

### main.tf

This file has the basic VPC components:
- Provider
- VPC
- Private and Public Route table
- Private and Public subnet and route table associations
- Elastic IP
- NAT gateway

### instances.tf

This set of resources have the following components:
- Module for an EC2 connectivity tester instance
- Security group for the EC2 instance
- Module for an EC2 HAproxy instance

### output.tf

Various data outputs for other modules/consumers.

### variables.tf

Input data for resources within this repo.

### tests/peering_test.py

Code and resource tester with mock data. It can be expanded by adding further definitions to the unit.

## User guide

### Prepare your local environment

This project currently depends on:

* drone v0.5+dev
* terraform v0.11.1+
* terragrunt v0.13.21+
* python v3.6.3+

Please ensure that you have the correct versions installed (it is not currently tested against the latest version of Drone)

### How to run/deploy

To run the scripts from your local machine:

```
# export/set variables
terragrunt plan
terragrunt apply
```

## FAQs

### The remote state isn't updating, what do I do?

If the CI process appears to be stuck with a stale `tf state` then run the following command to force a refresh:

```
terragrunt refresh
```