Add network configuration CFN param

Author: mhnap

elastio-terraform-deployment/module/main.tf

@@ -38,6 +38,7 @@ locals {
     disableCustomerManagedIamPolicies = var.disable_customer_managed_iam_policies
     disableServiceLinkedRolesCreation = var.service_linked_roles == "tf"
     supportRoleExpirationDate         = var.support_role_expiration_date
+    networkConfiguration              = var.network_configuration
   }
 
   enriched_connectors = [
@@ -158,7 +159,8 @@ locals {
   elastio_cloud_connector_deploy_requests = [
     for connector in var.elastio_cloud_connectors : merge(
       connector,
-      { account_id = data.aws_caller_identity.current.account_id },
+      { account_id = data.aws_caller_identity.current.account_id,
+      network_configuration = var.network_configuration },
     )
   ]
 }

elastio-terraform-deployment/module/variables.tf

@@ -19,8 +19,8 @@ variable "elastio_cloud_connectors" {
 
   type = list(object({
     region     = string
-    vpc_id     = string
-    subnet_ids = list(string)
+    vpc_id     = optional(string)
+    subnet_ids = optional(list(string))
 
     s3_access_logging = optional(object({
       target_bucket = string
@@ -198,3 +198,19 @@ variable "support_role_expiration_date" {
   type    = string
   default = null
 }
+
+variable "network_configuration" {
+  description = <<DESCR
+    Allow to choose between the Elastio-managed network (`Auto`)
+    or a manually configured network (`Manual`).
+  DESCR
+
+  type     = string
+  default  = "Manual"
+  nullable = false
+
+  validation {
+    condition     = contains(["Auto", "Manual"], var.network_configuration)
+    error_message = "network_configuration must be one of 'Auto', 'Manual'"
+  }
+}