Using the region passed as gh workflow input

.github/workflows/IaC-terraform-AKS.yml

@@ -122,7 +122,7 @@ jobs:
             else
               ./terraform init -upgrade
             fi
-            eval ./terraform plan ${parameter_files} -var 'tags={repo_environment=\"$ENVIRONMENT\"}' -out tfdeployplan
+            eval ./terraform plan ${parameter_files} -var 'tags={repo_environment=\"$ENVIRONMENT\"}' -var 'regions=[\"${{ github.event.inputs.REGION\"]' -out tfdeployplan
 
       - name: Deploy Standalone
         if: ${{ github.event.inputs.DEPLOY == 'true' }}
@@ -171,7 +171,7 @@ jobs:
             parameter_files=$(find configuration -not -path "*launchpad*" | grep .tfvars | sed 's/.*/-var-file &/' | xargs)
             echo "parameter_files: ${parameter_files}"
 
-            eval ./terraform plan ${parameter_files} -var 'tags={repo_environment=\"$ENVIRONMENT\"}' -destroy -out tfdestroyplan
+            eval ./terraform plan ${parameter_files} -var 'tags={repo_environment=\"$ENVIRONMENT\"}' -var 'regions=[\"${{ github.event.inputs.REGION\"]' -destroy -out tfdestroyplan
 
       - name: Diagnostics purge
         if: ${{ github.event.inputs.DESTROY == 'true' }}

IaC/terraform/locals.tf

@@ -0,0 +1,7 @@
+locals {
+  global_settings = length(var.regions) == 0 ? var.global_settings : {
+    default_region = "region1"
+    regions        = { for region in var.regions : "region${index(var.regions, region) + 1}" => region }
+    passthrough    = true
+  }
+}

IaC/terraform/module.tf

@@ -8,7 +8,7 @@ module "caf" {
   providers = {
     azurerm.vhub = azurerm.vhub
   }
-  global_settings      = merge((var.override_prefix == "" ? {} : { prefix = var.override_prefix }), var.global_settings)
+  global_settings      = merge((var.override_prefix == "" ? {} : { prefix = var.override_prefix }), local.global_settings)
   logged_user_objectId = var.logged_user_objectId
   tags                 = var.tags
   resource_groups      = var.resource_groups

IaC/terraform/variables.tf

@@ -6,11 +6,17 @@ variable "global_settings" {
     random_length  = 4
     default_region = "region1"
     regions = {
-      region1 = "southeastasia"
+      region1 = "eastus"
     }
   }
 }
 
+variable "regions" {
+  description = "global_settings Azure regions comma separated"
+  type        = list(string)
+  default     = []
+}
+
 variable "resource_groups" {
   default = {}
 }