variable "region" { default = "us-central1" } variable "region_zone" { default = "us-central1-f" } variable "org_id" { description = "The ID of the Google Cloud Organization." } variable "billing_account_id" { description = "The ID of the associated billing account (optional)." } variable "credentials_file_path" { description = "Location of the credentials to use." default = "~/.gcloud/Terraform.json" }