feat: add optional membership_location to fleet-membership (#1860)

Author: apeabody

modules/fleet-membership/README.md

@@ -29,6 +29,7 @@ To deploy this config:
 | enable\_fleet\_registration | Enables GKE Hub Registration when set to true | `bool` | `true` | no |
 | hub\_project\_id | The project in which the GKE Hub belongs. Defaults to GKE cluster project\_id. | `string` | `""` | no |
 | location | The location (zone or region) this cluster has been created in. | `string` | n/a | yes |
+| membership\_location | Membership location for the cluster. Defaults to global. | `string` | `"global"` | no |
 | membership\_name | Membership name that uniquely represents the cluster being registered. Defaults to `$project_id-$location-$cluster_name`. | `string` | `""` | no |
 | project\_id | The project in which the GKE cluster belongs. | `string` | n/a | yes |
 

modules/fleet-membership/membership.tf

@@ -1,5 +1,5 @@
 /**
- * Copyright 2018 Google LLC
+ * Copyright 2018-2024 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@ resource "google_gke_hub_membership" "primary" {
 
   project       = local.hub_project_id
   membership_id = local.gke_hub_membership_name
+  location      = var.membership_location
 
   endpoint {
     gke_cluster {

modules/fleet-membership/variables.tf

@@ -1,5 +1,5 @@
 /**
- * Copyright 2018 Google LLC
+ * Copyright 2018-2024 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,3 +46,10 @@ variable "membership_name" {
   type        = string
   default     = ""
 }
+
+// Defaults to global for backward compatibility.
+variable "membership_location" {
+  description = "Membership location for the cluster. Defaults to global."
+  type        = string
+  default     = "global"
+}