WRKLDS-1599: Drop support for image manifest schema 1

pkg/image/apis/image/docker10/conversion.go

@@ -3,61 +3,9 @@ package docker10
 import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
-	"github.com/openshift/api/image/docker10"
-
 	"github.com/openshift/openshift-apiserver/pkg/image/apis/image"
 )
 
-// Convert_DockerV1CompatibilityImage_to_DockerImageConfig takes a container image registry digest
-// (schema 2.1) and converts it to the external API version of Image.
-func Convert_DockerV1CompatibilityImage_to_DockerImageConfig(in *DockerV1CompatibilityImage, out *DockerImageConfig) error {
-	*out = DockerImageConfig{
-		ID:              in.ID,
-		Parent:          in.Parent,
-		Comment:         in.Comment,
-		Created:         in.Created,
-		Container:       in.Container,
-		DockerVersion:   in.DockerVersion,
-		Author:          in.Author,
-		Architecture:    in.Architecture,
-		Size:            in.Size,
-		OS:              "linux",
-		ContainerConfig: in.ContainerConfig,
-	}
-	if in.Config != nil {
-		out.Config = &docker10.DockerConfig{}
-		*out.Config = *in.Config
-	}
-	return nil
-}
-
-// Convert_DockerV1CompatibilityImage_to_image_DockerImage takes a container
-// image registry digest (schema 2.1) and converts it to the internal API
-// version of Image.
-func Convert_DockerV1CompatibilityImage_to_image_DockerImage(in *DockerV1CompatibilityImage, out *image.DockerImage) error {
-	*out = image.DockerImage{
-		ID:            in.ID,
-		Parent:        in.Parent,
-		Comment:       in.Comment,
-		Created:       metav1.Time{Time: in.Created},
-		Container:     in.Container,
-		DockerVersion: in.DockerVersion,
-		Author:        in.Author,
-		Architecture:  in.Architecture,
-		Size:          in.Size,
-	}
-	if err := Convert_docker10_DockerConfig_To_image_DockerConfig(&in.ContainerConfig, &out.ContainerConfig, nil); err != nil {
-		return err
-	}
-	if in.Config != nil {
-		out.Config = &image.DockerConfig{}
-		if err := Convert_docker10_DockerConfig_To_image_DockerConfig(in.Config, out.Config, nil); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 // Convert_DockerImageConfig_to_image_DockerImage takes a container image
 // registry digest (schema 2.2) and converts it to the internal API version of
 // Image.

pkg/image/apis/image/docker10/types.go

@@ -28,53 +28,11 @@ type DockerImageManifest struct {
 	SchemaVersion int    `json:"schemaVersion"`
 	MediaType     string `json:"mediaType,omitempty"`
 
-	// schema1
-	Name         string          `json:"name"`
-	Tag          string          `json:"tag"`
-	Architecture string          `json:"architecture"`
-	FSLayers     []DockerFSLayer `json:"fsLayers"`
-	History      []DockerHistory `json:"history"`
-
 	// schema2
 	Layers []Descriptor `json:"layers"`
 	Config Descriptor   `json:"config"`
 }
 
-// DockerFSLayer is a container struct for BlobSums defined in an image manifest
-type DockerFSLayer struct {
-	// DockerBlobSum is the tarsum of the referenced filesystem image layer
-	// TODO make this digest.Digest once distribution/distribution/v3 is in Godeps
-	DockerBlobSum string `json:"blobSum"`
-}
-
-// DockerHistory stores unstructured v1 compatibility information
-type DockerHistory struct {
-	// DockerV1Compatibility is the raw v1 compatibility information
-	DockerV1Compatibility string `json:"v1Compatibility"`
-}
-
-// DockerV1CompatibilityImage represents the structured v1
-// compatibility information.
-type DockerV1CompatibilityImage struct {
-	ID              string                 `json:"id"`
-	Parent          string                 `json:"parent,omitempty"`
-	Comment         string                 `json:"comment,omitempty"`
-	Created         time.Time              `json:"created"`
-	Container       string                 `json:"container,omitempty"`
-	ContainerConfig docker10.DockerConfig  `json:"container_config,omitempty"`
-	DockerVersion   string                 `json:"docker_version,omitempty"`
-	Author          string                 `json:"author,omitempty"`
-	Config          *docker10.DockerConfig `json:"config,omitempty"`
-	Architecture    string                 `json:"architecture,omitempty"`
-	Size            int64                  `json:"size,omitempty"`
-}
-
-// DockerV1CompatibilityImageSize represents the structured v1
-// compatibility information for size
-type DockerV1CompatibilityImageSize struct {
-	Size int64 `json:"size,omitempty"`
-}
-
 // DockerImageConfig stores the image configuration
 type DockerImageConfig struct {
 	ID              string                 `json:"id"`

pkg/image/apiserver/admission/limitrange/admission_test.go

@@ -19,7 +19,7 @@ import (
 	imagev1 "github.com/openshift/api/image/v1"
 	"github.com/openshift/openshift-apiserver/pkg/api/legacy"
 	imageapi "github.com/openshift/openshift-apiserver/pkg/image/apis/image"
-	"github.com/openshift/openshift-apiserver/pkg/image/apiserver/testutil"
+	"github.com/openshift/openshift-apiserver/pkg/image/apiserver/internal/testutil"
 )
 
 func TestAdmitImageStreamMapping(t *testing.T) {
@@ -36,7 +36,7 @@ func TestAdmitImageStreamMapping(t *testing.T) {
 		},
 		"new ism, under limit range": {
 			imageStreamMapping: getImageStreamMapping(),
-			limitRange:         getLimitRange("1Ki"),
+			limitRange:         getLimitRange("2Mi"),
 			operation:          admission.Create,
 			shouldAdmit:        true,
 		},
@@ -246,6 +246,7 @@ func getBaseImageWith1Layer() imageapi.Image {
 		},
 		DockerImageReference: fmt.Sprintf("registry.example.org/%s/%s", "test", testutil.BaseImageWith1LayerDigest),
 		DockerImageManifest:  testutil.BaseImageWith1Layer,
+		DockerImageConfig:    testutil.BaseImageWith1LayerConfig,
 	}
 }
 

pkg/image/apiserver/admission/limitrange/imagestream_limits_test.go

@@ -13,7 +13,7 @@ import (
 	"github.com/openshift/library-go/pkg/quota/quotautil"
 
 	imageapi "github.com/openshift/openshift-apiserver/pkg/image/apis/image"
-	imagetest "github.com/openshift/openshift-apiserver/pkg/image/apiserver/testutil"
+	imagetest "github.com/openshift/openshift-apiserver/pkg/image/apiserver/internal/testutil"
 )
 
 func TestGetMaxLimits(t *testing.T) {

pkg/image/apiserver/admission/limitrange/usage_test.go

@@ -13,7 +13,7 @@ import (
 	imagev1 "github.com/openshift/api/image/v1"
 	"github.com/openshift/library-go/pkg/image/imageutil"
 	imageapi "github.com/openshift/openshift-apiserver/pkg/image/apis/image"
-	imagetest "github.com/openshift/openshift-apiserver/pkg/image/apiserver/testutil"
+	imagetest "github.com/openshift/openshift-apiserver/pkg/image/apiserver/internal/testutil"
 )
 
 func TestGetImageReferenceForObjectReference(t *testing.T) {

pkg/image/apiserver/importer/image.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/distribution/distribution/v3"
 	"github.com/distribution/distribution/v3/manifest/manifestlist"
-	"github.com/distribution/distribution/v3/manifest/schema1"
 	"github.com/distribution/distribution/v3/registry/api/errcode"
 	godigest "github.com/opencontainers/go-digest"
 
@@ -18,41 +17,6 @@ import (
 	imagedockerpre012 "github.com/openshift/openshift-apiserver/pkg/image/apis/image/dockerpre012"
 )
 
-func schema1ToImage(manifest *schema1.SignedManifest, d godigest.Digest) (*imageapi.Image, error) {
-	if len(manifest.History) == 0 {
-		return nil, fmt.Errorf("image has no v1Compatibility history and cannot be used")
-	}
-	dockerImage, err := unmarshalDockerImage([]byte(manifest.History[0].V1Compatibility))
-	if err != nil {
-		return nil, err
-	}
-	mediatype, payload, err := manifest.Payload()
-	if err != nil {
-		return nil, err
-	}
-
-	if len(manifest.Canonical) == 0 {
-		return nil, fmt.Errorf("unable to load canonical representation from schema1 manifest")
-	}
-	payloadDigest := godigest.FromBytes(manifest.Canonical)
-	if len(d) > 0 && payloadDigest != d {
-		return nil, fmt.Errorf("content integrity error: the schema 1 manifest retrieved with digest %s does not match the digest calculated from the content %s", d, payloadDigest)
-	}
-	dockerImage.ID = payloadDigest.String()
-
-	image := &imageapi.Image{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: dockerImage.ID,
-		},
-		DockerImageMetadata:          *dockerImage,
-		DockerImageManifest:          string(payload),
-		DockerImageManifestMediaType: mediatype,
-		DockerImageMetadataVersion:   "1.0",
-	}
-
-	return image, nil
-}
-
 // schema2OrOCIToImage converts a docker schema 2 or an oci schema manifest into an Image.
 func schema2OrOCIToImage(manifest distribution.Manifest, imageConfig []byte, d godigest.Digest) (*imageapi.Image, error) {
 	mediatype, payload, err := manifest.Payload()

pkg/image/apiserver/importer/importer.go

@@ -12,7 +12,6 @@ import (
 	"github.com/distribution/distribution/v3"
 	"github.com/distribution/distribution/v3/manifest/manifestlist"
 	"github.com/distribution/distribution/v3/manifest/ocischema"
-	"github.com/distribution/distribution/v3/manifest/schema1"
 	"github.com/distribution/distribution/v3/manifest/schema2"
 	"github.com/distribution/distribution/v3/reference"
 	"github.com/distribution/distribution/v3/registry/api/errcode"
@@ -743,8 +742,6 @@ func (imp *ImageStreamImporter) importManifest(
 	if isManifestList && !legacyManifestListImport {
 		image, err = manifestListToImage(manifestList, d)
 		return
-	} else if signedManifest, isSchema1 := manifest.(*schema1.SignedManifest); isSchema1 {
-		image, err = schema1ToImage(signedManifest, d)
 	} else if deserializedManifest, isSchema2 := manifest.(*schema2.DeserializedManifest); isSchema2 {
 		imageConfig, getImportConfigErr := b.Get(ctx, deserializedManifest.Config.Digest)
 		if getImportConfigErr != nil {