feat(iac): Support network id input

Author: alhendrickson

deployment/terraform/examples/openstack-kubernetes/k3s-cluster/main.tf

@@ -13,7 +13,7 @@ module "openstack_cogstack_infra" {
   ubuntu_immage_name          = var.ubuntu_immage_name
   # generate_random_name_prefix = false
   # prefix                      = "dev"
-  # network = {
-  #   network_id = "some-id"
-  # }
+  network = {
+    network_id = "some-id"
+  }
 }

deployment/terraform/modules/openstack-kubernetes-infra/compute.tf

@@ -124,8 +124,8 @@ data "openstack_compute_flavor_v2" "available_compute_flavors" {
 
 
 data "openstack_networking_network_v2" "network" {
-  count = var.network.network_id != null ? 0 : 1
-  name  = var.network.name
+  for_each = toset(var.network.network_id != null ? [] : ["lookup"])
+  name     = var.network.name
 }
 
 data "openstack_images_image_v2" "ubuntu" {

deployment/terraform/modules/openstack-kubernetes-infra/shared-locals.tf

@@ -2,6 +2,7 @@
 locals {
   random_prefix = random_id.server.b64_url
   prefix        = var.prefix != null ? var.prefix : (var.generate_random_name_prefix ? local.random_prefix : "")
+  network_id    = var.network.network_id != null ? var.network.network_id : data.openstack_networking_network_v2.network["lookup"].id
 }
 
 
@@ -18,7 +19,6 @@ locals {
 locals {
   output_file_directory = var.output_file_directory != null ? var.output_file_directory : "${path.root}/.build"
   kubeconfig_file       = "${local.output_file_directory}/downloaded-kubeconfig.yaml"
-  network_id            = var.network.network_id != null ? var.network.network_id : data.openstack_networking_network_v2.network[0].id
 }
 
 resource "random_id" "server" {