From e7a5d2381c5be3c4655aeda4d385fc62e78c2093 Mon Sep 17 00:00:00 2001
From: Fraser Davidson <fraser@gofrontier.com>
Date: Mon, 8 Jan 2024 14:44:45 +0000
Subject: [PATCH] Add Virtual WAN module (#42)

---
 modules/virtual-wan/CHANGELOG.md      |  1 +
 modules/virtual-wan/README.md         | 29 +++++++++++++++++++++++++++
 modules/virtual-wan/VERSION           |  1 +
 modules/virtual-wan/src/locals.tf     | 14 +++++++++++++
 modules/virtual-wan/src/main.tf       |  7 +++++++
 modules/virtual-wan/src/outputs.tf    |  7 +++++++
 modules/virtual-wan/src/variables.tf  | 24 ++++++++++++++++++++++
 modules/virtual-wan/test/main.tf      | 17 ++++++++++++++++
 modules/virtual-wan/test/terraform.tf | 10 +++++++++
 9 files changed, 110 insertions(+)
 create mode 100644 modules/virtual-wan/CHANGELOG.md
 create mode 100644 modules/virtual-wan/README.md
 create mode 100644 modules/virtual-wan/VERSION
 create mode 100644 modules/virtual-wan/src/locals.tf
 create mode 100644 modules/virtual-wan/src/main.tf
 create mode 100644 modules/virtual-wan/src/outputs.tf
 create mode 100644 modules/virtual-wan/src/variables.tf
 create mode 100644 modules/virtual-wan/test/main.tf
 create mode 100644 modules/virtual-wan/test/terraform.tf

diff --git a/modules/virtual-wan/CHANGELOG.md b/modules/virtual-wan/CHANGELOG.md
new file mode 100644
index 0000000..825c32f
--- /dev/null
+++ b/modules/virtual-wan/CHANGELOG.md
@@ -0,0 +1 @@
+# Changelog
diff --git a/modules/virtual-wan/README.md b/modules/virtual-wan/README.md
new file mode 100644
index 0000000..a2672ba
--- /dev/null
+++ b/modules/virtual-wan/README.md
@@ -0,0 +1,29 @@
+# Virtual WAN
+
+This module creates a [Virtual WAN](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/virtual_wan).
+
+## Usage
+
+```hcl
+module "virtual_wan" {
+  source = "https://github.com/gofrontier-com/azurerm-terraform-modules/releases/download/virtual-wan/[VERSION]/module.tar.gz//src"
+
+  environment         = "con"
+  identifier          = "main"
+  location            = "uksouth"
+  resource_group_name = module.resource_group.name
+  zone                = "pla"
+
+  tags = {
+    WorkloadType = "PlatformLZ/virtual-wan"
+  }
+}
+```
+
+## Known issues
+
+_None._
+
+## Contributing
+
+See <https://github.com/gofrontier-com/azurerm-terraform-modules/blob/main/README.rst#contributing>.
diff --git a/modules/virtual-wan/VERSION b/modules/virtual-wan/VERSION
new file mode 100644
index 0000000..d3827e7
--- /dev/null
+++ b/modules/virtual-wan/VERSION
@@ -0,0 +1 @@
+1.0
diff --git a/modules/virtual-wan/src/locals.tf b/modules/virtual-wan/src/locals.tf
new file mode 100644
index 0000000..6a78776
--- /dev/null
+++ b/modules/virtual-wan/src/locals.tf
@@ -0,0 +1,14 @@
+locals {
+  identifier = replace(lower(var.identifier), "/[^a-z1-9]/", "")
+
+  short_locations = {
+    "uksouth" = "uks"
+    "ukwest"  = "ukw"
+  }
+
+  tags = {
+    Environment = var.environment
+    Location    = var.location
+    Zone        = var.zone
+  }
+}
diff --git a/modules/virtual-wan/src/main.tf b/modules/virtual-wan/src/main.tf
new file mode 100644
index 0000000..325bcfe
--- /dev/null
+++ b/modules/virtual-wan/src/main.tf
@@ -0,0 +1,7 @@
+resource "azurerm_virtual_wan" "main" {
+  name                = "vwan-${var.zone}-${var.environment}-${lookup(local.short_locations, var.location)}-${local.identifier}"
+  resource_group_name = var.resource_group_name
+  location            = var.location
+
+  tags = merge(var.tags, local.tags)
+}
diff --git a/modules/virtual-wan/src/outputs.tf b/modules/virtual-wan/src/outputs.tf
new file mode 100644
index 0000000..fd64f0a
--- /dev/null
+++ b/modules/virtual-wan/src/outputs.tf
@@ -0,0 +1,7 @@
+output "id" {
+  value = azurerm_virtual_wan.main.id
+}
+
+output "name" {
+  value = azurerm_virtual_wan.main.name
+}
diff --git a/modules/virtual-wan/src/variables.tf b/modules/virtual-wan/src/variables.tf
new file mode 100644
index 0000000..cf3d14b
--- /dev/null
+++ b/modules/virtual-wan/src/variables.tf
@@ -0,0 +1,24 @@
+variable "environment" {
+  type = string
+}
+
+variable "identifier" {
+  type = string
+}
+
+variable "location" {
+  type = string
+}
+
+variable "resource_group_name" {
+  type = string
+}
+
+variable "tags" {
+  type    = map(string)
+  default = {}
+}
+
+variable "zone" {
+  type = string
+}
diff --git a/modules/virtual-wan/test/main.tf b/modules/virtual-wan/test/main.tf
new file mode 100644
index 0000000..4ca1aa8
--- /dev/null
+++ b/modules/virtual-wan/test/main.tf
@@ -0,0 +1,17 @@
+provider "azurerm" {
+  features {}
+}
+
+module "virtual_wan" {
+  source = "../src"
+
+  environment         = "bar"
+  identifier          = "baz"
+  location            = "uksouth"
+  resource_group_name = "baz"
+  zone                = "bat"
+
+  tags = {
+    Foo = "Bar"
+  }
+}
diff --git a/modules/virtual-wan/test/terraform.tf b/modules/virtual-wan/test/terraform.tf
new file mode 100644
index 0000000..762ef2e
--- /dev/null
+++ b/modules/virtual-wan/test/terraform.tf
@@ -0,0 +1,10 @@
+terraform {
+  required_version = "~> 1.5"
+
+  required_providers {
+    azurerm = {
+      source  = "hashicorp/azurerm"
+      version = "~> 3.85"
+    }
+  }
+}