Refactor vpc-sc support in project module, add support for dry run (#2229)

modules/project/variables.tf

@@ -226,20 +226,6 @@ variable "service_encryption_key_ids" {
   default     = {}
 }
 
-# accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME
-variable "service_perimeter_bridges" {
-  description = "Name of VPC-SC Bridge perimeters to add project into. See comment in the variables file for format."
-  type        = list(string)
-  default     = null
-}
-
-# accessPolicies/ACCESS_POLICY_NAME/servicePerimeters/PERIMETER_NAME
-variable "service_perimeter_standard" {
-  description = "Name of VPC-SC Standard perimeter to add project into. See comment in the variables file for format."
-  type        = string
-  default     = null
-}
-
 variable "services" {
   description = "Service APIs to enable."
   type        = list(string)
@@ -288,3 +274,13 @@ variable "skip_delete" {
   type        = bool
   default     = false
 }
+
+variable "vpc_sc" {
+  description = "VPC-SC configuration for the project, use when `ignore_changes` for resources is set in the VPC-SC module."
+  type = object({
+    perimeter_name    = string
+    perimeter_bridges = optional(list(string), [])
+    is_dry_run        = optional(bool, false)
+  })
+  default = null
+}