Merge pull request #762 from cloudskiff/ec2_ami_supplier

Split ec2_ami_supplier

pkg/remote/aws/ec2_ami_enumerator.go

@@ -0,0 +1,49 @@
+package aws
+
+import (
+	"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
+	remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
+	tf "github.com/cloudskiff/driftctl/pkg/remote/terraform"
+	"github.com/cloudskiff/driftctl/pkg/resource"
+	"github.com/cloudskiff/driftctl/pkg/resource/aws"
+)
+
+type EC2AmiEnumerator struct {
+	repository     repository.EC2Repository
+	factory        resource.ResourceFactory
+	providerConfig tf.TerraformProviderConfig
+}
+
+func NewEC2AmiEnumerator(repo repository.EC2Repository, factory resource.ResourceFactory, providerConfig tf.TerraformProviderConfig) *EC2AmiEnumerator {
+	return &EC2AmiEnumerator{
+		repository:     repo,
+		factory:        factory,
+		providerConfig: providerConfig,
+	}
+}
+
+func (e *EC2AmiEnumerator) SupportedType() resource.ResourceType {
+	return aws.AwsAmiResourceType
+}
+
+func (e *EC2AmiEnumerator) Enumerate() ([]resource.Resource, error) {
+	images, err := e.repository.ListAllImages()
+	if err != nil {
+		return nil, remoteerror.NewResourceEnumerationError(err, string(e.SupportedType()))
+	}
+
+	results := make([]resource.Resource, len(images))
+
+	for _, image := range images {
+		results = append(
+			results,
+			e.factory.CreateAbstractResource(
+				string(e.SupportedType()),
+				*image.ImageId,
+				map[string]interface{}{},
+			),
+		)
+	}
+
+	return results, err
+}

pkg/remote/aws/ec2_ami_supplier.go

@@ -1,64 +0,0 @@
-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"
-	resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
-
-	"github.com/cloudskiff/driftctl/pkg/terraform"
-
-	"github.com/aws/aws-sdk-go/aws"
-	"github.com/sirupsen/logrus"
-	"github.com/zclconf/go-cty/cty"
-)
-
-type EC2AmiSupplier struct {
-	reader       terraform.ResourceReader
-	deserializer *resource.Deserializer
-	repository   repository.EC2Repository
-	runner       *terraform.ParallelResourceReader
-}
-
-func NewEC2AmiSupplier(provider *AWSTerraformProvider, deserializer *resource.Deserializer, repository repository.EC2Repository) *EC2AmiSupplier {
-	return &EC2AmiSupplier{
-		provider,
-		deserializer,
-		repository,
-		terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
-	}
-}
-
-func (s *EC2AmiSupplier) Resources() ([]resource.Resource, error) {
-	images, err := s.repository.ListAllImages()
-	if err != nil {
-		return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsAmiResourceType)
-	}
-	results := make([]cty.Value, 0)
-	if len(images) > 0 {
-		for _, image := range images {
-			id := aws.StringValue(image.ImageId)
-			s.runner.Run(func() (cty.Value, error) {
-				return s.readAMI(id)
-			})
-		}
-		results, err = s.runner.Wait()
-		if err != nil {
-			return nil, err
-		}
-	}
-	return s.deserializer.Deserialize(resourceaws.AwsAmiResourceType, results)
-}
-
-func (s *EC2AmiSupplier) readAMI(id string) (cty.Value, error) {
-	resImage, err := s.reader.ReadResource(terraform.ReadResourceArgs{
-		Ty: resourceaws.AwsAmiResourceType,
-		ID: id,
-	})
-	if err != nil {
-		logrus.Warnf("Error reading image %s[%s]: %+v", id, resourceaws.AwsAmiResourceType, err)
-		return cty.NilVal, err
-	}
-	return *resImage, nil
-}

pkg/remote/aws/ec2_ami_supplier_test.go

@@ -1,101 +0,0 @@
-package aws
-
-import (
-	"context"
-	"testing"
-
-	"github.com/aws/aws-sdk-go/aws"
-	"github.com/cloudskiff/driftctl/pkg/remote/cache"
-	testresource "github.com/cloudskiff/driftctl/test/resource"
-
-	"github.com/aws/aws-sdk-go/service/ec2"
-	"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
-
-	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/stretchr/testify/assert"
-
-	"github.com/cloudskiff/driftctl/test/goldenfile"
-
-	"github.com/cloudskiff/driftctl/pkg/resource"
-	"github.com/cloudskiff/driftctl/pkg/terraform"
-	"github.com/cloudskiff/driftctl/test"
-	"github.com/cloudskiff/driftctl/test/mocks"
-)
-
-func TestEC2AmiSupplier_Resources(t *testing.T) {
-	tests := []struct {
-		test    string
-		dirName string
-		mock    func(mock *repository.MockEC2Repository)
-		err     error
-	}{
-		{
-			test:    "no amis",
-			dirName: "ec2_ami_empty",
-			mock: func(mock *repository.MockEC2Repository) {
-				mock.On("ListAllImages").Return([]*ec2.Image{}, nil)
-			},
-			err: nil,
-		},
-		{
-			test:    "with amis",
-			dirName: "ec2_ami_multiple",
-			mock: func(mock *repository.MockEC2Repository) {
-				mock.On("ListAllImages").Return([]*ec2.Image{
-					{ImageId: aws.String("ami-03a578b46f4c3081b")},
-					{ImageId: aws.String("ami-025962fd8b456731f")},
-				}, nil)
-			},
-			err: nil,
-		},
-		{
-			test:    "cannot list amis",
-			dirName: "ec2_ami_empty",
-			mock: func(mock *repository.MockEC2Repository) {
-				mock.On("ListAllImages").Return([]*ec2.Image{}, awserr.NewRequestFailure(nil, 403, ""))
-			},
-			err: remoteerror.NewResourceEnumerationError(awserr.NewRequestFailure(nil, 403, ""), resourceaws.AwsAmiResourceType),
-		},
-	}
-	for _, tt := range tests {
-		shouldUpdate := tt.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(NewEC2AmiSupplier(provider, deserializer, repository.NewEC2Repository(provider.session, cache.New(0))))
-		}
-
-		t.Run(tt.test, func(t *testing.T) {
-			provider := mocks.NewMockedGoldenTFProvider(tt.dirName, providerLibrary.Provider(terraform.AWS), shouldUpdate)
-			client := &repository.MockEC2Repository{}
-			tt.mock(client)
-			s := &EC2AmiSupplier{
-				provider,
-				deserializer,
-				client,
-				terraform.NewParallelResourceReader(parallel.NewParallelRunner(context.TODO(), 10)),
-			}
-			got, err := s.Resources()
-			assert.Equal(t, tt.err, err)
-
-			test.CtyTestDiff(got, tt.dirName, provider, deserializer, shouldUpdate, t)
-		})
-	}
-}

pkg/remote/aws/init.go

@@ -74,6 +74,8 @@ func Init(version string, alerter *alerter.Alerter,
 	remoteLibrary.AddDetailsFetcher(aws.AwsEbsSnapshotResourceType, common.NewGenericDetailsFetcher(aws.AwsEbsSnapshotResourceType, provider, deserializer))
 	remoteLibrary.AddEnumerator(NewEC2EipEnumerator(ec2repository, factory, provider.Config))
 	remoteLibrary.AddDetailsFetcher(aws.AwsEipResourceType, common.NewGenericDetailsFetcher(aws.AwsEipResourceType, provider, deserializer))
+	remoteLibrary.AddEnumerator(NewEC2AmiEnumerator(ec2repository, factory, provider.Config))
+	remoteLibrary.AddDetailsFetcher(aws.AwsAmiResourceType, common.NewGenericDetailsFetcher(aws.AwsAmiResourceType, provider, deserializer))
 
 	supplierLibrary.AddSupplier(NewS3BucketAnalyticSupplier(provider, s3Repository, deserializer))
 	supplierLibrary.AddSupplier(NewS3BucketPolicySupplier(provider, s3Repository, deserializer))
@@ -81,7 +83,6 @@ func Init(version string, alerter *alerter.Alerter,
 	supplierLibrary.AddSupplier(NewRoute53ZoneSupplier(provider, deserializer, route53repository))
 	supplierLibrary.AddSupplier(NewRoute53RecordSupplier(provider, deserializer, route53repository))
 	supplierLibrary.AddSupplier(NewEC2InstanceSupplier(provider, deserializer, ec2repository))
-	supplierLibrary.AddSupplier(NewEC2AmiSupplier(provider, deserializer, ec2repository))
 	supplierLibrary.AddSupplier(NewEC2KeyPairSupplier(provider, deserializer, ec2repository))
 	supplierLibrary.AddSupplier(NewLambdaFunctionSupplier(provider, deserializer, lambdaRepository))
 	supplierLibrary.AddSupplier(NewDBSubnetGroupSupplier(provider, deserializer, rdsRepository))

pkg/remote/ec2_scanner_test.go

@@ -296,3 +296,94 @@ func TestEC2Eip(t *testing.T) {
 		})
 	}
 }
+
+func TestEC2Ami(t *testing.T) {
+	tests := []struct {
+		test    string
+		dirName string
+		mocks   func(repository *repository.MockEC2Repository)
+		wantErr error
+	}{
+		{
+			test:    "no amis",
+			dirName: "aws_ec2_ami_empty",
+			mocks: func(repository *repository.MockEC2Repository) {
+				repository.On("ListAllImages").Return([]*ec2.Image{}, nil)
+			},
+		},
+		{
+			test:    "multiple amis",
+			dirName: "aws_ec2_ami_multiple",
+			mocks: func(repository *repository.MockEC2Repository) {
+				repository.On("ListAllImages").Return([]*ec2.Image{
+					{ImageId: awssdk.String("ami-03a578b46f4c3081b")},
+					{ImageId: awssdk.String("ami-025962fd8b456731f")},
+				}, nil)
+			},
+		},
+		{
+			test:    "cannot list ami",
+			dirName: "aws_ec2_ami_list",
+			mocks: func(repository *repository.MockEC2Repository) {
+				repository.On("ListAllImages").Return(nil, awserr.NewRequestFailure(nil, 403, ""))
+			},
+			wantErr: remoteerror.NewResourceEnumerationError(awserr.NewRequestFailure(nil, 403, ""), resourceaws.AwsAmiResourceType),
+		},
+	}
+
+	schemaRepository := testresource.InitFakeSchemaRepository("aws", "3.19.0")
+	resourceaws.InitResourcesMetadata(schemaRepository)
+	factory := terraform.NewTerraformResourceFactory(schemaRepository)
+	deserializer := resource.NewDeserializer(factory)
+	alerter := &mocks.AlerterInterface{}
+
+	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
+			fakeRepo := &repository.MockEC2Repository{}
+			c.mocks(fakeRepo)
+			var repo repository.EC2Repository = 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.NewEC2Repository(sess, cache.New(0))
+			}
+
+			remoteLibrary.AddEnumerator(aws.NewEC2AmiEnumerator(repo, factory, tf.TerraformProviderConfig{
+				Name:         "test",
+				DefaultAlias: "eu-west-3",
+			}))
+			remoteLibrary.AddDetailsFetcher(resourceaws.AwsAmiResourceType, common.NewGenericDetailsFetcher(resourceaws.AwsAmiResourceType, provider, deserializer))
+
+			s := NewScanner(nil, remoteLibrary, alerter, scanOptions)
+			got, err := s.Resources()
+			assert.Equal(tt, err, c.wantErr)
+			if err != nil {
+				return
+			}
+			test.TestAgainstGoldenFile(got, resourceaws.AwsAmiResourceType, c.dirName, provider, deserializer, shouldUpdate, tt)
+		})
+	}
+}