chore(CI): migrate node_pool test to CFT (using CAI) (terraform-google-modules#2172)

Author: apeabody

.kitchen.yml

@@ -85,13 +85,3 @@ suites:
       systems:
         - name: workload_metadata_config
           backend: local
-  - name: "node_pool"
-    transport:
-      root_module_directory: test/fixtures/node_pool
-    verifier:
-      systems:
-        - name: node_pool
-          backend: local
-          controls:
-            - gcloud
-            - kubectl

build/int.cloudbuild.yaml

@@ -305,21 +305,21 @@ steps:
     - verify deploy-service-local
   name: 'gcr.io/cloud-foundation-cicd/$_DOCKER_IMAGE_DEVELOPER_TOOLS:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'
   args: ['/bin/bash', '-c', 'cft test run TestDeployService --stage destroy --verbose']
-- id: converge node-pool-local
+- id: apply node-pool-local
   waitFor:
     - create-all
   name: 'gcr.io/cloud-foundation-cicd/$_DOCKER_IMAGE_DEVELOPER_TOOLS:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'
-  args: ['/bin/bash', '-c', 'source /usr/local/bin/task_helper_functions.sh && kitchen_do converge node-pool-local']
+  args: ['/bin/bash', '-c', 'cft test run TestNodePool --stage apply --verbose']
 - id: verify node-pool-local
   waitFor:
-    - converge node-pool-local
+    - apply node-pool-local
   name: 'gcr.io/cloud-foundation-cicd/$_DOCKER_IMAGE_DEVELOPER_TOOLS:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'
-  args: ['/bin/bash', '-c', 'source /usr/local/bin/task_helper_functions.sh && kitchen_do verify node-pool-local']
+  args: ['/bin/bash', '-c', 'cft test run TestNodePool --stage verify --verbose']
 - id: destroy node-pool-local
   waitFor:
     - verify node-pool-local
   name: 'gcr.io/cloud-foundation-cicd/$_DOCKER_IMAGE_DEVELOPER_TOOLS:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'
-  args: ['/bin/bash', '-c', 'source /usr/local/bin/task_helper_functions.sh && kitchen_do destroy node-pool-local']
+  args: ['/bin/bash', '-c', 'cft test run TestNodePool --stage destroy --verbose']
 - id: apply sandbox-enabled-local
   waitFor:
     - create-all

examples/node_pool/main.tf

@@ -43,6 +43,7 @@ module "gke" {
   disable_legacy_metadata_endpoints = false
   cluster_autoscaling               = var.cluster_autoscaling
   deletion_protection               = false
+  service_account                   = "default"
 
   node_pools = [
     {

test/fixtures/node_pool/example.tf

@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+locals {
+  compute_engine_service_account = var.compute_engine_service_accounts[0]
+}
+
 module "example" {
   source = "../../../examples/node_pool"
 
@@ -25,7 +29,7 @@ module "example" {
   subnetwork                     = google_compute_subnetwork.main.name
   ip_range_pods                  = google_compute_subnetwork.main.secondary_ip_range[0].range_name
   ip_range_services              = google_compute_subnetwork.main.secondary_ip_range[1].range_name
-  compute_engine_service_account = var.compute_engine_service_accounts[0]
+  compute_engine_service_account = local.compute_engine_service_account
 
   cluster_autoscaling = {
     enabled             = true

test/fixtures/node_pool/outputs.tf

@@ -83,3 +83,11 @@ output "service_account" {
 output "registry_project_ids" {
   value = var.registry_project_ids
 }
+
+output "random_string" {
+  value = random_string.suffix.result
+}
+
+output "compute_engine_service_account" {
+  value = local.compute_engine_service_account
+}

test/integration/go.mod

@@ -9,6 +9,8 @@ require (
 	github.com/gruntwork-io/terratest v0.48.1
 	github.com/hashicorp/terraform-json v0.24.0
 	github.com/stretchr/testify v1.10.0
+	github.com/tidwall/gjson v1.18.0
+	golang.org/x/sync v0.10.0
 )
 
 require (
@@ -103,7 +105,6 @@ require (
 	github.com/pquerna/otp v1.4.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/tidwall/gjson v1.18.0 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
@@ -116,7 +117,6 @@ require (
 	golang.org/x/mod v0.22.0 // indirect
 	golang.org/x/net v0.31.0 // indirect
 	golang.org/x/oauth2 v0.24.0 // indirect
-	golang.org/x/sync v0.10.0 // indirect
 	golang.org/x/sys v0.28.0 // indirect
 	golang.org/x/term v0.27.0 // indirect
 	golang.org/x/text v0.21.0 // indirect