Terratest validated Cluster Name from GKE

gke_cluster_test.go

package main

import (
	"path/filepath"
	"testing"

	"github.com/gruntwork-io/terratest/modules/logger"
	"github.com/gruntwork-io/terratest/modules/terraform"
	test_structure "github.com/gruntwork-io/terratest/modules/test-structure"
	"github.com/stretchr/testify/assert"
)

func TestGKEClusterName(t *testing.T) {

	t.Parallel()

	// expected value cluster name
	expectedClusterName := "kubernetes-test"

	// expected value zone name
	// enable regional zonal
	expectedZoneName := "asia-southeast1-a"

	// copy folder terraform project to tmp
	outFolder := test_structure.CopyTerraformFolderToTemp(t, "./", "test_tmp")

	// website::tag::1::Configure Terraform setting path to Terraform code, bucket name, and instance name. Construct
	// the terraform options with default retryable errors to handle the most common retryable errors in terraform
	// testing.
	planFilePath := filepath.Join(outFolder, "plan_tmp.out")

	terraformOptions := terraform.WithDefaultRetryableErrors(t, &terraform.Options{
		// The path to where our Terraform code is located
		TerraformDir: ".",

		// Variables to pass to our Terraform code using -var options
		Vars:         map[string]interface{}{},
		PlanFilePath: planFilePath,
		Logger:       logger.Discard,
	})

	// output terraform plan out
	planOut := terraform.InitAndPlanAndShowWithStruct(t, terraformOptions)

	gkeClusterStruct := planOut.ResourcePlannedValuesMap["module.gke.google_container_cluster.primary"]
	gkeResponseClusterName := gkeClusterStruct.AttributeValues["name"]
	gkeResponseClusterLocation := gkeClusterStruct.AttributeValues["location"]

	// expected cluster name is kubernetes-test
	assert.Equal(t, expectedClusterName, gkeResponseClusterName)

	// expected zonal is asia-southeast1
	assert.Equal(t, expectedZoneName, gkeResponseClusterLocation)

}