Added tests

src/provider-helm.tf

@@ -133,9 +133,8 @@ locals {
     "--profile", var.kube_exec_auth_aws_profile
   ] : []
 
-  kube_exec_auth_role_arn = coalesce(var.kube_exec_auth_role_arn, module.iam_roles.terraform_role_arn)
   exec_role = local.kube_exec_auth_enabled && var.kube_exec_auth_role_arn_enabled ? [
-    "--role-arn", local.kube_exec_auth_role_arn
+    "--role-arn", coalesce(var.kube_exec_auth_role_arn, module.iam_roles.terraform_role_arn)
   ] : []
 
   # Provide dummy configuration for the case where the EKS cluster is not available.

src/remote-state.tf

@@ -1,6 +1,6 @@
 module "eks" {
   source  = "cloudposse/stack-config/yaml//modules/remote-state"
-  version = "1.5.0"
+  version = "1.8.0"
 
   component = var.eks_component_name
 
@@ -9,7 +9,7 @@ module "eks" {
 
 module "dns_gbl_delegated" {
   source  = "cloudposse/stack-config/yaml//modules/remote-state"
-  version = "1.5.0"
+  version = "1.8.0"
 
   component   = "dns-delegated"
   environment = var.dns_gbl_delegated_environment_name
@@ -23,7 +23,7 @@ module "dns_gbl_delegated" {
 
 module "dns_gbl_primary" {
   source  = "cloudposse/stack-config/yaml//modules/remote-state"
-  version = "1.5.0"
+  version = "1.8.0"
 
   component   = "dns-primary"
   environment = var.dns_gbl_primary_environment_name
@@ -40,7 +40,7 @@ module "dns_gbl_primary" {
 module "additional_dns_components" {
   for_each = { for obj in var.dns_components : obj.component => obj }
   source   = "cloudposse/stack-config/yaml//modules/remote-state"
-  version  = "1.5.0"
+  version  = "1.8.0"
 
   component   = each.value.component
   environment = coalesce(each.value.environment, "gbl")

test/.gitignore

@@ -0,0 +1,5 @@
+state/
+.cache
+test/test-suite.json
+.atmos
+test_suite.yaml

test/component_test.go

@@ -0,0 +1,302 @@
+package test
+
+import (
+	"context"
+	"testing"
+	"fmt"
+	"strings"
+	"time"
+	"github.com/cloudposse/test-helpers/pkg/atmos"
+	"github.com/cloudposse/test-helpers/pkg/helm"
+	awsHelper "github.com/cloudposse/test-helpers/pkg/aws"
+	helper "github.com/cloudposse/test-helpers/pkg/atmos/component-helper"
+	awsTerratest "github.com/gruntwork-io/terratest/modules/aws"
+	"github.com/gruntwork-io/terratest/modules/random"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/service/route53"
+	"github.com/aws/aws-sdk-go-v2/service/route53/types"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+
+	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/dynamic/dynamicinformer"
+	"k8s.io/client-go/tools/cache"
+)
+
+type ComponentSuite struct {
+	helper.TestSuite
+}
+
+func (s *ComponentSuite) TestBasic() {
+	const component = "eks/external-dns/basic"
+	const stack = "default-test"
+	const awsRegion = "us-east-2"
+
+
+	dnsDelegatedOptions := s.GetAtmosOptions("dns-delegated", stack, nil)
+	delegatedDomainName := atmos.Output(s.T(), dnsDelegatedOptions, "default_domain_name")
+	defaultDNSZoneId := atmos.Output(s.T(), dnsDelegatedOptions, "default_dns_zone_id")
+
+	randomID := strings.ToLower(random.UniqueId())
+
+	namespace := fmt.Sprintf("external-dns-%s", randomID)
+	dnsEndpointName := fmt.Sprintf("example-dns-record-%s", randomID)
+	dnsRecordHostName := fmt.Sprintf("%s.%s", randomID, delegatedDomainName)
+
+	inputs := map[string]interface{}{
+		"kubernetes_namespace": namespace,
+	}
+
+	defer s.DestroyAtmosComponent(s.T(), component, stack, &inputs)
+	options, _ := s.DeployAtmosComponent(s.T(), component, stack, &inputs)
+	assert.NotNil(s.T(), options)
+
+	metadataArray := []helm.Metadata{}
+
+	atmos.OutputStruct(s.T(), options, "metadata", &metadataArray)
+
+	metadata := metadataArray[0]
+
+	assert.Equal(s.T(), metadata.AppVersion, "0.14.0")
+	assert.Equal(s.T(), metadata.Chart, "external-dns")
+	assert.NotNil(s.T(), metadata.FirstDeployed)
+	assert.NotNil(s.T(), metadata.LastDeployed)
+	assert.Equal(s.T(), metadata.Name, "external-dns")
+	assert.Equal(s.T(), metadata.Namespace, namespace)
+	assert.NotNil(s.T(), metadata.Values)
+	assert.Equal(s.T(), metadata.Version, "6.33.0")
+
+	clusterOptions := s.GetAtmosOptions("eks/cluster", stack, nil)
+	clusrerId := atmos.Output(s.T(), clusterOptions, "eks_cluster_id")
+	cluster := awsHelper.GetEksCluster(s.T(), context.Background(), awsRegion, clusrerId)
+
+	config, err := awsHelper.NewK8SClientConfig(cluster)
+	assert.NoError(s.T(), err)
+	assert.NotNil(s.T(), config)
+
+	dynamicClient, err := dynamic.NewForConfig(config)
+	if err != nil {
+		panic(fmt.Errorf("failed to create dynamic client: %v", err))
+	}
+
+	// Define the GroupVersionResource for the DNSEndpoint CRD
+	dnsEndpointGVR := schema.GroupVersionResource{
+		Group:    "externaldns.k8s.io",
+		Version:  "v1alpha1",
+		Resource: "dnsendpoints",
+	}
+
+	// Create the DNSEndpoint object as an unstructured resource
+	dnsEndpoint := &unstructured.Unstructured{
+		Object: map[string]interface{}{
+			"apiVersion": "externaldns.k8s.io/v1alpha1",
+			"kind":       "DNSEndpoint",
+			"metadata": map[string]interface{}{
+				"name":	dnsEndpointName,
+				"namespace": namespace,
+			},
+			"spec": map[string]interface{}{
+				"endpoints": []interface{}{
+					map[string]interface{}{
+						"dnsName": dnsRecordHostName,
+						"recordTTL":  300,
+						"recordType": "A",
+						"targets": []interface{}{
+							"127.0.0.1",
+						},
+					},
+				},
+			},
+		},
+	}
+
+	// Create the DNSEndpoint resource in the "default" namespace
+	_, err = dynamicClient.Resource(dnsEndpointGVR).Namespace(namespace).Create(context.Background(), dnsEndpoint, metav1.CreateOptions{})
+	assert.NoError(s.T(), err)
+
+	defer func() {
+		if err := dynamicClient.Resource(dnsEndpointGVR).Namespace(namespace).Delete(context.Background(), dnsEndpointName, metav1.DeleteOptions{}); err != nil {
+			fmt.Printf("Error deleting external dns %s: %v\n", dnsEndpointName, err)
+		}
+	}()
+
+
+	// // Wait for the DnsEndpoint to be updated with the LoadBalancer metadata
+	factory := dynamicinformer.NewDynamicSharedInformerFactory(dynamicClient, 0)
+	// Create an informer for the DNSEndpoint resource
+	informer := factory.ForResource(dnsEndpointGVR).Informer()
+
+
+	stopChannel := make(chan struct{})
+
+	informer.AddEventHandler(cache.ResourceEventHandlerFuncs{
+		UpdateFunc: func(oldObj, newObj interface{}) {
+			_, ok := oldObj.(*unstructured.Unstructured)
+			if !ok {
+				return
+			}
+			newDNS, ok := newObj.(*unstructured.Unstructured)
+			if !ok {
+				return
+			}
+
+			observedGeneration, found, err := unstructured.NestedInt64(newDNS.Object, "status", "observedGeneration")
+			if err != nil {
+				fmt.Printf("Error getting status: %v\n", err)
+				return
+			}
+			if !found {
+				fmt.Printf("Status not found\n")
+				return
+			}
+
+			name, found, err := unstructured.NestedString(newDNS.Object, "metadata", "name")
+			if err != nil {
+				fmt.Printf("Error getting name: %v\n", err)
+				return
+			}
+			if !found {
+				fmt.Printf("Name not found\n")
+				return
+			}
+
+			if observedGeneration > 0 {
+				fmt.Printf("Dns Record %s is ready\n", name)
+				close(stopChannel)
+			} else {
+				fmt.Printf("Dns Record %s is not ready yet\n", name)
+			}
+		},
+	})
+	go informer.Run(stopChannel)
+
+	select {
+		case <-stopChannel:
+			msg := "Dns endpoint created"
+			fmt.Println(msg)
+		case <-time.After(1 * time.Minute):
+			msg := "Dns endpoint creation timed out"
+			assert.Fail(s.T(), msg)
+	}
+
+	delegatedNSRecord := awsTerratest.GetRoute53Record(s.T(), defaultDNSZoneId, dnsRecordHostName, "A", awsRegion)
+	assert.Equal(s.T(), fmt.Sprintf("%s.", dnsRecordHostName), *delegatedNSRecord.Name)
+
+
+	defer func() {
+		route53Client, err := awsTerratest.NewRoute53ClientE(s.T(), awsRegion)
+		if err != nil {
+			return
+		}
+
+		o, err := route53Client.ListResourceRecordSets(context.Background(), &route53.ListResourceRecordSetsInput{
+			HostedZoneId:    &defaultDNSZoneId,
+			MaxItems:        aws.Int32(100),
+		})
+		if err != nil {
+			return
+		}
+
+		var changes []types.Change
+
+		for _, record := range o.ResourceRecordSets {
+
+			if record.Type == types.RRTypeNs || record.Type == types.RRTypeSoa {
+				continue
+			}
+			// Build a deletion change for each record
+			changes = append(changes, types.Change{
+				Action:            types.ChangeActionDelete,
+				ResourceRecordSet: &record,
+			})
+		}
+
+		if len(changes) == 0 {
+			fmt.Println("No deletable records found.")
+			return
+		}
+
+		// Prepare the change batch
+		changeBatch := &types.ChangeBatch{
+			Changes: changes,
+		}
+
+		// Call ChangeResourceRecordSets to delete the records
+		changeInput := &route53.ChangeResourceRecordSetsInput{
+			HostedZoneId: aws.String(defaultDNSZoneId),
+			ChangeBatch:  changeBatch,
+		}
+
+		_, err = route53Client.ChangeResourceRecordSets(context.Background(), changeInput)
+		assert.NoError(s.T(), err)
+
+	}()
+
+	s.DriftTest(component, stack, &inputs)
+}
+
+func (s *ComponentSuite) TestEnabledFlag() {
+	const component = "eks/external-dns/disabled"
+	const stack = "default-test"
+	s.VerifyEnabledFlag(component, stack, nil)
+}
+
+func (s *ComponentSuite) SetupSuite() {
+	s.TestSuite.InitConfig()
+	s.TestSuite.Config.ComponentDestDir = "components/terraform/eks/external-dns"
+	s.TestSuite.SetupSuite()
+}
+
+func TestRunSuite(t *testing.T) {
+	suite := new(ComponentSuite)
+	suite.AddDependency(t, "vpc", "default-test", nil)
+	suite.AddDependency(t, "eks/cluster", "default-test", nil)
+
+	subdomain := strings.ToLower(random.UniqueId())
+	inputs := map[string]interface{}{
+		"zone_config": []map[string]interface{}{
+			{
+				"subdomain": subdomain,
+				"zone_name": "components.cptest.test-automation.app",
+			},
+		},
+	}
+	suite.AddDependency(t, "dns-delegated", "default-test", &inputs)
+
+	randomID := strings.ToLower(random.UniqueId())
+	domainName := fmt.Sprintf("example-%s.net", randomID)
+	inputsPrimaryDns := map[string]interface{}{
+		"domain_names": []string{domainName},
+		"record_config": []map[string]interface{}{
+			{
+				"root_zone": domainName,
+				"name":      "",
+				"type":      "A",
+				"ttl":       60,
+				"records":   []string{"127.0.0.1"},
+			},
+			{
+				"root_zone": domainName,
+				"name":      "www.",
+				"type":      "CNAME",
+				"ttl":       60,
+				"records":   []string{domainName},
+			},
+			{
+				"root_zone": domainName,
+				"name":      "123456.",
+				"type":      "CNAME",
+				"ttl":       120,
+				"records":   []string{domainName},
+			},
+		},
+	}
+	suite.AddDependency(t, "dns-primary", "default-test", &inputsPrimaryDns)
+
+	suite.AddDependency(t, "eks/alb-controller", "default-test", nil)
+	helper.Run(t, suite)
+}