subnetwork.tf

/******************************************
  Create subnetwork without secondary_range
 *****************************************/
resource "google_compute_subnetwork" "basic" {
  count = "${var.create_secondary_ranges ? 0 : 1}"

  name                     = "${var.name}"
  description              = "${var.description != "" ? var.description : local.description}"
  region                   = "${var.region}"
  ip_cidr_range            = "${var.ip_cidr_range}"
  network                  = "${var.network}"
  private_ip_google_access = true
  enable_flow_logs         = true
}

/******************************************
  Create subnetwork with secondary_range
 *****************************************/
resource "google_compute_subnetwork" "ranged" {
  count = "${var.create_secondary_ranges ? 1 : 0}"

  name                     = "${var.name}"
  description              = "${var.description != "" ? var.description : local.description}"
  region                   = "${var.region}"
  ip_cidr_range            = "${var.ip_cidr_range}"
  network                  = "${var.network}"
  secondary_ip_range       = "${var.secondary_ranges}"
  private_ip_google_access = true
  enable_flow_logs         = true
}