Fix private nodes config (#28)

* Fix private nodes config

* Setup terraform before running terratest

* Fix node pools network config

Author: gkocur

.github/workflows/ci.yaml

@@ -41,6 +41,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Setup terraform
+        uses: hashicorp/setup-terraform@v3
       - name: Setup Go
         uses: actions/setup-go@v4
         with:

main.tf

@@ -167,6 +167,9 @@ resource "google_container_node_pool" "pools" {
       }
     }
   }
+  network_config {
+    enable_private_nodes = var.enable_private_nodes
+  }
   lifecycle {
     ignore_changes        = [initial_node_count]
     create_before_destroy = true