fix mci integration in the gke-hub

modules/gke-hub/main.tf

@@ -53,7 +53,7 @@ resource "google_gke_hub_membership" "default" {
 
 resource "google_gke_hub_feature" "default" {
   provider = google-beta
-  for_each = { for k, v in var.features : k => v if coalesce(v, false) != false }
+  for_each = { for k, v in var.features : k => v if v != false && v != "" }
   project  = var.project_id
   name     = each.key
   location = "global"

modules/gke-hub/variables.tf

@@ -77,7 +77,7 @@ variable "features" {
     appdevexperience             = false
     configmanagement             = false
     identityservice              = false
-    multiclusteringress          = null
+    multiclusteringress          = ""
     servicemesh                  = false
     multiclusterservicediscovery = false
   }