feat: split dynamodb table supplier

pkg/remote/aws/dynamodb_table_details_fetcher.go

@@ -0,0 +1,38 @@
+package aws
+
+import (
+	"github.com/cloudskiff/driftctl/pkg/resource"
+	"github.com/cloudskiff/driftctl/pkg/resource/aws"
+	"github.com/cloudskiff/driftctl/pkg/terraform"
+)
+
+type DynamoDBTableDetailsFetcher struct {
+	reader       terraform.ResourceReader
+	deserializer *resource.Deserializer
+}
+
+func NewDynamoDBTableDetailsFetcher(provider terraform.ResourceReader, deserializer *resource.Deserializer) *DynamoDBTableDetailsFetcher {
+	return &DynamoDBTableDetailsFetcher{
+		reader:       provider,
+		deserializer: deserializer,
+	}
+}
+
+func (r *DynamoDBTableDetailsFetcher) ReadDetails(res resource.Resource) (resource.Resource, error) {
+	ctyVal, err := r.reader.ReadResource(terraform.ReadResourceArgs{
+		Ty: resource.ResourceType(res.TerraformType()),
+		ID: res.TerraformId(),
+		Attributes: map[string]string{
+			"table_name": res.TerraformId(),
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	deserializedRes, err := r.deserializer.DeserializeOne(aws.AwsDynamodbTableResourceType, *ctyVal)
+	if err != nil {
+		return nil, err
+	}
+
+	return deserializedRes, nil
+}

pkg/remote/aws/dynamodb_table_enumerator.go

@@ -0,0 +1,46 @@
+package aws
+
+import (
+	"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
+	remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
+	"github.com/cloudskiff/driftctl/pkg/resource"
+	"github.com/cloudskiff/driftctl/pkg/resource/aws"
+)
+
+type DynamoDBTableEnumerator struct {
+	repository repository.DynamoDBRepository
+	factory    resource.ResourceFactory
+}
+
+func NewDynamoDBTableEnumerator(repository repository.DynamoDBRepository, factory resource.ResourceFactory) *DynamoDBTableEnumerator {
+	return &DynamoDBTableEnumerator{
+		repository,
+		factory,
+	}
+}
+
+func (e *DynamoDBTableEnumerator) SupportedType() resource.ResourceType {
+	return aws.AwsDynamodbTableResourceType
+}
+
+func (e *DynamoDBTableEnumerator) Enumerate() ([]resource.Resource, error) {
+	tables, err := e.repository.ListAllTables()
+	if err != nil {
+		return nil, remoteerror.NewResourceEnumerationError(err, string(e.SupportedType()))
+	}
+
+	results := make([]resource.Resource, len(tables))
+
+	for _, table := range tables {
+		results = append(
+			results,
+			e.factory.CreateAbstractResource(
+				string(e.SupportedType()),
+				*table,
+				map[string]interface{}{},
+			),
+		)
+	}
+
+	return results, nil
+}

pkg/remote/aws/dynamodb_table_supplier.go

@@ -1,65 +0,0 @@
-package aws
-
-import (
-	"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
-	remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
-	"github.com/sirupsen/logrus"
-	"github.com/zclconf/go-cty/cty"
-
-	"github.com/cloudskiff/driftctl/pkg/resource"
-	"github.com/cloudskiff/driftctl/pkg/resource/aws"
-
-	"github.com/cloudskiff/driftctl/pkg/terraform"
-)
-
-type DynamoDBTableSupplier struct {
-	reader       terraform.ResourceReader
-	deserializer *resource.Deserializer
-	repository   repository.DynamoDBRepository
-	runner       *terraform.ParallelResourceReader
-}
-
-func NewDynamoDBTableSupplier(provider *AWSTerraformProvider, deserializer *resource.Deserializer, repository repository.DynamoDBRepository) *DynamoDBTableSupplier {
-	return &DynamoDBTableSupplier{
-		provider,
-		deserializer,
-		repository,
-		terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
-	}
-}
-
-func (s *DynamoDBTableSupplier) Resources() ([]resource.Resource, error) {
-	tables, err := s.repository.ListAllTables()
-	if err != nil {
-		return nil, remoteerror.NewResourceEnumerationError(err, aws.AwsDynamodbTableResourceType)
-	}
-
-	for _, table := range tables {
-		table := table
-		s.runner.Run(func() (cty.Value, error) {
-			return s.readTable(table)
-		})
-	}
-
-	retrieve, err := s.runner.Wait()
-	if err != nil {
-		return nil, err
-	}
-
-	return s.deserializer.Deserialize(aws.AwsDynamodbTableResourceType, retrieve)
-}
-
-func (s *DynamoDBTableSupplier) readTable(tableName *string) (cty.Value, error) {
-	val, err := s.reader.ReadResource(terraform.ReadResourceArgs{
-		ID: *tableName,
-		Ty: aws.AwsDynamodbTableResourceType,
-		Attributes: map[string]string{
-			"table_name": *tableName,
-		},
-	})
-	if err != nil {
-		logrus.Error(err)
-		return cty.NilVal, err
-	}
-	return *val, nil
-}

pkg/remote/aws/dynamodb_table_supplier_test.go

@@ -1,104 +0,0 @@
-package aws
-
-import (
-	"context"
-	"errors"
-	"testing"
-
-	"github.com/aws/aws-sdk-go/aws"
-	"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
-	"github.com/cloudskiff/driftctl/pkg/remote/cache"
-	testresource "github.com/cloudskiff/driftctl/test/resource"
-
-	remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
-
-	resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
-
-	"github.com/aws/aws-sdk-go/aws/awserr"
-
-	"github.com/cloudskiff/driftctl/pkg/parallel"
-
-	"github.com/cloudskiff/driftctl/test/goldenfile"
-	mocks2 "github.com/cloudskiff/driftctl/test/mocks"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/mock"
-
-	"github.com/cloudskiff/driftctl/pkg/resource"
-	"github.com/cloudskiff/driftctl/pkg/terraform"
-	"github.com/cloudskiff/driftctl/test"
-)
-
-func TestDynamoDBTableSupplier_Resources(t *testing.T) {
-	cases := []struct {
-		test    string
-		dirName string
-		mocks   func(client *repository.MockDynamoDBRepository)
-		err     error
-	}{
-		{
-			test:    "no DynamoDB Table",
-			dirName: "dynamodb_table_empty",
-			mocks: func(client *repository.MockDynamoDBRepository) {
-				client.On("ListAllTables").Return([]*string{}, nil)
-			},
-			err: nil,
-		},
-		{
-			test:    "Multiple DynamoDB Table",
-			dirName: "dynamodb_table_multiple",
-			mocks: func(client *repository.MockDynamoDBRepository) {
-				client.On("ListAllTables").Return([]*string{
-					aws.String("GameScores"),
-					aws.String("example"),
-				}, nil)
-			},
-			err: nil,
-		},
-		{
-			test:    "cannot list DynamoDB Table",
-			dirName: "dynamodb_table_list",
-			mocks: func(client *repository.MockDynamoDBRepository) {
-				client.On("ListAllTables").Return(nil, awserr.NewRequestFailure(awserr.New("AccessDeniedException", "", errors.New("")), 400, ""))
-			},
-			err: remoteerror.NewResourceEnumerationError(awserr.NewRequestFailure(awserr.New("AccessDeniedException", "", errors.New("")), 400, ""), resourceaws.AwsDynamodbTableResourceType),
-		},
-	}
-	for _, c := range cases {
-		shouldUpdate := c.dirName == *goldenfile.Update
-
-		providerLibrary := terraform.NewProviderLibrary()
-		supplierLibrary := resource.NewSupplierLibrary()
-
-		repo := testresource.InitFakeSchemaRepository("aws", "3.19.0")
-		resourceaws.InitResourcesMetadata(repo)
-		factory := terraform.NewTerraformResourceFactory(repo)
-
-		deserializer := resource.NewDeserializer(factory)
-
-		if shouldUpdate {
-			provider, err := InitTestAwsProvider(providerLibrary)
-			if err != nil {
-				t.Fatal(err)
-			}
-
-			supplierLibrary.AddSupplier(NewDynamoDBTableSupplier(provider, deserializer, repository.NewDynamoDBRepository(provider.session, cache.New(0))))
-		}
-
-		t.Run(c.test, func(tt *testing.T) {
-			fakeClient := repository.MockDynamoDBRepository{}
-			c.mocks(&fakeClient)
-			provider := mocks2.NewMockedGoldenTFProvider(c.dirName, providerLibrary.Provider(terraform.AWS), shouldUpdate)
-			s := &DynamoDBTableSupplier{
-				provider,
-				deserializer,
-				&fakeClient,
-				terraform.NewParallelResourceReader(parallel.NewParallelRunner(context.TODO(), 10)),
-			}
-			got, err := s.Resources()
-			assert.Equal(tt, c.err, err)
-
-			mock.AssertExpectationsForObjects(tt)
-			test.CtyTestDiff(got, c.dirName, provider, deserializer, shouldUpdate, tt)
-		})
-	}
-}

pkg/remote/aws/init.go

@@ -131,6 +131,9 @@ func Init(version string, alerter *alerter.Alerter,
 	remoteLibrary.AddEnumerator(NewSNSTopicSubscriptionEnumerator(snsRepository, factory, alerter))
 	remoteLibrary.AddDetailsFetcher(aws.AwsSnsTopicSubscriptionResourceType, NewSNSTopicSubscriptionDetailsFetcher(provider, deserializer))
 
+	remoteLibrary.AddEnumerator(NewDynamoDBTableEnumerator(dynamoDBRepository, factory))
+	remoteLibrary.AddDetailsFetcher(aws.AwsDynamodbTableResourceType, NewDynamoDBTableDetailsFetcher(provider, deserializer))
+
 	supplierLibrary.AddSupplier(NewS3BucketAnalyticSupplier(provider, s3Repository, deserializer))
 	supplierLibrary.AddSupplier(NewLambdaFunctionSupplier(provider, deserializer, lambdaRepository))
 	supplierLibrary.AddSupplier(NewDBSubnetGroupSupplier(provider, deserializer, rdsRepository))
@@ -146,7 +149,6 @@ func Init(version string, alerter *alerter.Alerter,
 	supplierLibrary.AddSupplier(NewVPCSecurityGroupRuleSupplier(provider, deserializer, ec2repository))
 	supplierLibrary.AddSupplier(NewRouteSupplier(provider, deserializer, ec2repository))
 	supplierLibrary.AddSupplier(NewNatGatewaySupplier(provider, deserializer, ec2repository))
-	supplierLibrary.AddSupplier(NewDynamoDBTableSupplier(provider, deserializer, dynamoDBRepository))
 	supplierLibrary.AddSupplier(NewECRRepositorySupplier(provider, deserializer, ecrRepository))
 	supplierLibrary.AddSupplier(NewLambdaEventSourceMappingSupplier(provider, deserializer, lambdaRepository))
 

pkg/remote/dynamodb_scanner_test.go

@@ -0,0 +1,115 @@
+package remote
+
+import (
+	"errors"
+	"testing"
+
+	awssdk "github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/cloudskiff/driftctl/mocks"
+	"github.com/cloudskiff/driftctl/pkg/remote/aws"
+	"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
+	"github.com/cloudskiff/driftctl/pkg/remote/cache"
+	"github.com/cloudskiff/driftctl/pkg/remote/common"
+	"github.com/cloudskiff/driftctl/pkg/resource"
+	resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
+	"github.com/cloudskiff/driftctl/pkg/terraform"
+	"github.com/cloudskiff/driftctl/test"
+	"github.com/cloudskiff/driftctl/test/goldenfile"
+	testresource "github.com/cloudskiff/driftctl/test/resource"
+	terraform2 "github.com/cloudskiff/driftctl/test/terraform"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+)
+
+func TestDynamoDBTable(t *testing.T) {
+	tests := []struct {
+		test    string
+		dirName string
+		mocks   func(repository *repository.MockDynamoDBRepository)
+		wantErr error
+	}{
+		{
+			test:    "no DynamoDB Table",
+			dirName: "dynamodb_table_empty",
+			mocks: func(client *repository.MockDynamoDBRepository) {
+				client.On("ListAllTables").Return([]*string{}, nil)
+			},
+			wantErr: nil,
+		},
+		{
+			test:    "Multiple DynamoDB Table",
+			dirName: "dynamodb_table_multiple",
+			mocks: func(client *repository.MockDynamoDBRepository) {
+				client.On("ListAllTables").Return([]*string{
+					awssdk.String("GameScores"),
+					awssdk.String("example"),
+				}, nil)
+			},
+			wantErr: nil,
+		},
+		{
+			test:    "cannot list DynamoDB Table",
+			dirName: "dynamodb_table_list",
+			mocks: func(client *repository.MockDynamoDBRepository) {
+				client.On("ListAllTables").Return(nil, awserr.NewRequestFailure(awserr.New("AccessDeniedException", "", errors.New("")), 400, ""))
+			},
+			wantErr: nil,
+		},
+	}
+
+	schemaRepository := testresource.InitFakeSchemaRepository("aws", "3.19.0")
+	resourceaws.InitResourcesMetadata(schemaRepository)
+	factory := terraform.NewTerraformResourceFactory(schemaRepository)
+	deserializer := resource.NewDeserializer(factory)
+
+	for _, c := range tests {
+		t.Run(c.test, func(tt *testing.T) {
+			shouldUpdate := c.dirName == *goldenfile.Update
+
+			sess := session.Must(session.NewSessionWithOptions(session.Options{
+				SharedConfigState: session.SharedConfigEnable,
+			}))
+
+			scanOptions := ScannerOptions{Deep: true}
+			providerLibrary := terraform.NewProviderLibrary()
+			remoteLibrary := common.NewRemoteLibrary()
+
+			// Initialize mocks
+			alerter := &mocks.AlerterInterface{}
+			alerter.On("SendAlert", mock.Anything, mock.Anything).Maybe().Return()
+			fakeRepo := &repository.MockDynamoDBRepository{}
+			c.mocks(fakeRepo)
+			var repo repository.DynamoDBRepository = fakeRepo
+			providerVersion := "3.19.0"
+			realProvider, err := terraform2.InitTestAwsProvider(providerLibrary, providerVersion)
+			if err != nil {
+				t.Fatal(err)
+			}
+			provider := terraform2.NewFakeTerraformProvider(realProvider)
+			provider.WithResponse(c.dirName)
+
+			// Replace mock by real resources if we are in update mode
+			if shouldUpdate {
+				err := realProvider.Init()
+				if err != nil {
+					t.Fatal(err)
+				}
+				provider.ShouldUpdate()
+				repo = repository.NewDynamoDBRepository(sess, cache.New(0))
+			}
+
+			remoteLibrary.AddEnumerator(aws.NewDynamoDBTableEnumerator(repo, factory))
+			remoteLibrary.AddDetailsFetcher(resourceaws.AwsDynamodbTableResourceType, aws.NewDynamoDBTableDetailsFetcher(provider, deserializer))
+
+			s := NewScanner(nil, remoteLibrary, alerter, scanOptions)
+			got, err := s.Resources()
+			assert.Equal(tt, c.wantErr, err)
+			if err != nil {
+				return
+			}
+			test.TestAgainstGoldenFile(got, resourceaws.AwsDynamodbTableResourceType, c.dirName, provider, deserializer, shouldUpdate, tt)
+		})
+	}
+}