From 1a00e23809c66f3958a5543afcb319e40077ab8c Mon Sep 17 00:00:00 2001
From: John Collinson <john.collinson3@nhs.net>
Date: Mon, 9 Sep 2024 12:20:56 +0100
Subject: [PATCH] Added variable to specify whether to use local backend or
 azurerm backend.

---
 .github/workflows/ci-pipeline.yaml | 2 +-
 infrastructure/main.tf             | 9 ++++++++-
 infrastructure/variables.tf        | 6 ++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci-pipeline.yaml b/.github/workflows/ci-pipeline.yaml
index 509dc30..704672b 100644
--- a/.github/workflows/ci-pipeline.yaml
+++ b/.github/workflows/ci-pipeline.yaml
@@ -35,7 +35,7 @@ jobs:
           }' > infrastructure/backend.tf
 
       - name: Terraform Init
-        run: terraform init
+        run: terraform init -backend-config="use_local_backend=true"
         working-directory: infrastructure
 
       - name: Terraform Validate
diff --git a/infrastructure/main.tf b/infrastructure/main.tf
index f7e0f07..bc6430a 100644
--- a/infrastructure/main.tf
+++ b/infrastructure/main.tf
@@ -6,7 +6,14 @@ terraform {
     }
   }
 
-  backend "azurerm" {}
+  backend "local" {
+    path      = "terraform.tfstate"
+    condition = var.use_local_backend
+  }
+
+  backend "azurerm" {
+    condition = !var.use_local_backend
+  }
 }
 
 provider "azurerm" {
diff --git a/infrastructure/variables.tf b/infrastructure/variables.tf
index ba56da9..e7f116a 100644
--- a/infrastructure/variables.tf
+++ b/infrastructure/variables.tf
@@ -1,3 +1,9 @@
+variable "use_local_backend" {
+  description = "Set to true to use the local backend instead of azurerm"
+  type        = bool
+  default     = false
+}
+
 variable "vault_name" {
   type    = string
   default = "myvault"