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WRKLDS-1599: Drop support for image manifest schema 1 #528

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WRKLDS-1599: Drop support for image manifest schema 1 #528

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7 changes: 0 additions & 7 deletions pkg/image/apis/image/docker10/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,6 @@ 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"`
Expand Down
5 changes: 3 additions & 2 deletions pkg/image/apiserver/admission/limitrange/admission_test.go
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Expand Up @@ -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"
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I just moved this package around, feels more consistent.

)

func TestAdmitImageStreamMapping(t *testing.T) {
Expand All @@ -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,
},
Expand Down Expand Up @@ -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,
}
}

Expand Down
2 changes: 1 addition & 1 deletion pkg/image/apiserver/admission/limitrange/imagestream_limits_test.go
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Expand Up @@ -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) {
Expand Down
2 changes: 1 addition & 1 deletion pkg/image/apiserver/admission/limitrange/usage_test.go
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Expand Up @@ -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) {
Expand Down
36 changes: 0 additions & 36 deletions pkg/image/apiserver/importer/image.go
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Expand Up @@ -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"

Expand All @@ -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()
Expand Down
3 changes: 0 additions & 3 deletions pkg/image/apiserver/importer/importer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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"
Expand Down Expand Up @@ -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 {
Expand Down
118 changes: 30 additions & 88 deletions pkg/image/apiserver/importer/importer_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@ package importer

import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
Expand All @@ -11,7 +10,6 @@ import (

"github.com/containers/image/v5/pkg/sysregistriesv2"
"github.com/distribution/distribution/v3"
"github.com/distribution/distribution/v3/manifest/schema1"
"github.com/distribution/distribution/v3/manifest/schema2"
"github.com/distribution/distribution/v3/reference"
godigest "github.com/opencontainers/go-digest"
Expand Down Expand Up @@ -169,20 +167,6 @@ func (r *mockTagService) Lookup(ctx context.Context, digest distribution.Descrip
return nil, fmt.Errorf("not implemented")
}

func TestSchema1ToImage(t *testing.T) {
m := &schema1.SignedManifest{}
if err := json.Unmarshal([]byte(etcdManifest), m); err != nil {
t.Fatal(err)
}
image, err := schema1ToImage(m, godigest.Digest("sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238"))
if err != nil {
t.Fatal(err)
}
if image.DockerImageMetadata.ID != "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238" {
t.Errorf("unexpected image: %#v", image.DockerImageMetadata.ID)
}
}

func TestImportNothing(t *testing.T) {
ctx := NewStaticCredentialsContext(
http.DefaultTransport, http.DefaultTransport, nil,
Expand All @@ -202,11 +186,6 @@ func expectStatusError(status metav1.Status, message string) bool {
}

func TestImport(t *testing.T) {
etcdManifestSchema1 := &schema1.SignedManifest{}
if err := json.Unmarshal([]byte(etcdManifest), etcdManifestSchema1); err != nil {
t.Fatal(err)
}
t.Logf("etcd manifest schema 1 digest: %q", godigest.FromBytes([]byte(etcdManifest)))
busyboxManifestSchema2 := &schema2.DeserializedManifest{}
if err := busyboxManifestSchema2.UnmarshalJSON([]byte(busyboxManifest)); err != nil {
t.Fatal(err)
Expand Down Expand Up @@ -312,12 +291,21 @@ func TestImport(t *testing.T) {
},
},
{
name: "successfull import by tag and digest",
retriever: &mockRetriever{repo: &mockRepository{manifest: etcdManifestSchema1}},
name: "successful import by tag and digest",
retriever: &mockRetriever{
repo: &mockRepository{
blobs: &mockBlobStore{
blobs: map[godigest.Digest][]byte{
busyboxConfigDigest: []byte(busyboxManifestConfig),
},
},
manifest: busyboxManifestSchema2,
},
},
isi: imageapi.ImageStreamImport{
Spec: imageapi.ImageStreamImportSpec{
Images: []imageapi.ImageImportSpec{
{From: kapi.ObjectReference{Kind: "DockerImage", Name: "test@sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238"}},
{From: kapi.ObjectReference{Kind: "DockerImage", Name: "test@" + busyboxDigest}},
{From: kapi.ObjectReference{Kind: "DockerImage", Name: "test:tag"}},
},
},
Expand All @@ -331,13 +319,17 @@ func TestImport(t *testing.T) {
if image.Status.Status != metav1.StatusSuccess {
t.Errorf("unexpected status %d: %#v", i, image.Status)
}
// the image name is always the sha256, and size is calculated
if image.Image == nil || image.Image.Name != "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238" || image.Image.DockerImageMetadata.Size != 28643712 {
t.Errorf("unexpected image %d: %#v", i, image.Image.Name)
}
// the most specific reference is returned
if image.Image.DockerImageReference != "test@sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238" {
t.Errorf("unexpected ref %d: %#v", i, image.Image.DockerImageReference)
if image.Image == nil {
t.Errorf("unexpected nil image: %#v", image)
} else {
// the image name is always the sha256, and size is calculated
if image.Image.Name != busyboxDigest || image.Image.DockerImageMetadata.Size != 669049 {
t.Errorf("unexpected image %d: %#v (size %d)", i, image.Image.Name, image.Image.DockerImageMetadata.Size)
}
// the most specific reference is returned
if image.Image.DockerImageReference != "test@"+busyboxDigest {
t.Errorf("unexpected ref %d: %#v", i, image.Image.DockerImageReference)
}
}
if image.Tag != expectedTags[i] {
t.Errorf("unexpected tag of status %d (%s != %s)", i, image.Tag, expectedTags[i])
Expand Down Expand Up @@ -392,14 +384,14 @@ func TestImport(t *testing.T) {
name: "import repository with additional tags",
retriever: &mockRetriever{
repo: &mockRepository{
manifest: etcdManifestSchema1,
manifest: busyboxManifestSchema2,
tags: map[string]string{
"v1": "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238",
"other": "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238",
"v2": "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238",
"3": "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238",
"3.1": "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238",
"abc": "sha256:958608f8ecc1dc62c93b6c610f3a834dae4220c9642e6e8b4e0f2b3ad7cbd238",
"v1": busyboxDigest,
"other": busyboxDigest,
"v2": busyboxDigest,
"3": busyboxDigest,
"3.1": busyboxDigest,
"abc": busyboxDigest,
},
getTagErr: fmt.Errorf("no such tag"),
getByTagErr: fmt.Errorf("no such manifest tag"),
Expand Down Expand Up @@ -640,56 +632,6 @@ func TestImportFromMirror(t *testing.T) {
})
}

const etcdManifest = `
{
"schemaVersion": 1,
"tag": "latest",
"name": "coreos/etcd",
"architecture": "amd64",
"fsLayers": [
{
"blobSum": "sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"
},
{
"blobSum": "sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"
},
{
"blobSum": "sha256:2560187847cadddef806eaf244b7755af247a9dbabb90ca953dd2703cf423766"
},
{
"blobSum": "sha256:744b46d0ac8636c45870a03830d8d82c20b75fbfb9bc937d5e61005d23ad4cfe"
}
],
"history": [
{
"v1Compatibility": "{\"id\":\"fe50ac14986497fa6b5d2cc24feb4a561d01767bc64413752c0988cb70b0b8b9\",\"parent\":\"a5a18474fa96a3c6e240bc88e41de2afd236520caf904356ad9d5f8d875c3481\",\"created\":\"2015-12-30T22:29:13.967754365Z\",\"container\":\"c8d0f1a274b5f52fa5beb280775ef07cf18ec0f95e5ae42fbad01157e2614d42\",\"container_config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"2379/tcp\":{},\"2380/tcp\":{},\"4001/tcp\":{},\"7001/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) ENTRYPOINT \\u0026{[\\\"/etcd\\\"]}\"],\"Image\":\"a5a18474fa96a3c6e240bc88e41de2afd236520caf904356ad9d5f8d875c3481\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":[\"/etcd\"],\"OnBuild\":null,\"Labels\":{}},\"docker_version\":\"1.9.1\",\"config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"2379/tcp\":{},\"2380/tcp\":{},\"4001/tcp\":{},\"7001/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":null,\"Image\":\"a5a18474fa96a3c6e240bc88e41de2afd236520caf904356ad9d5f8d875c3481\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":[\"/etcd\"],\"OnBuild\":null,\"Labels\":{}},\"architecture\":\"amd64\",\"os\":\"linux\"}"
},
{
"v1Compatibility": "{\"id\":\"a5a18474fa96a3c6e240bc88e41de2afd236520caf904356ad9d5f8d875c3481\",\"parent\":\"796d581500e960cc02095dcdeccf55db215b8e54c57e3a0b11392145ffe60cf6\",\"created\":\"2015-12-30T22:29:13.504159783Z\",\"container\":\"080708d544f85052a46fab72e701b4358c1b96cb4b805a5b2d66276fc2aaf85d\",\"container_config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"2379/tcp\":{},\"2380/tcp\":{},\"4001/tcp\":{},\"7001/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) EXPOSE 2379/tcp 2380/tcp 4001/tcp 7001/tcp\"],\"Image\":\"796d581500e960cc02095dcdeccf55db215b8e54c57e3a0b11392145ffe60cf6\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":{}},\"docker_version\":\"1.9.1\",\"config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"ExposedPorts\":{\"2379/tcp\":{},\"2380/tcp\":{},\"4001/tcp\":{},\"7001/tcp\":{}},\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":null,\"Image\":\"796d581500e960cc02095dcdeccf55db215b8e54c57e3a0b11392145ffe60cf6\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":{}},\"architecture\":\"amd64\",\"os\":\"linux\"}"
},
{
"v1Compatibility": "{\"id\":\"796d581500e960cc02095dcdeccf55db215b8e54c57e3a0b11392145ffe60cf6\",\"parent\":\"309c960c7f875411ae2ee2bfb97b86eee5058f3dad77206dd0df4f97df8a77fa\",\"created\":\"2015-12-30T22:29:12.912813629Z\",\"container\":\"f28be899c9b8680d4cf8585e663ad20b35019db062526844e7cfef117ce9037f\",\"container_config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) ADD file:e330b1da49d993059975e46560b3bd360691498b0f2f6e00f39fc160cf8d4ec3 in /\"],\"Image\":\"309c960c7f875411ae2ee2bfb97b86eee5058f3dad77206dd0df4f97df8a77fa\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":{}},\"docker_version\":\"1.9.1\",\"config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":null,\"Image\":\"309c960c7f875411ae2ee2bfb97b86eee5058f3dad77206dd0df4f97df8a77fa\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":{}},\"architecture\":\"amd64\",\"os\":\"linux\",\"Size\":13502144}"
},
{
"v1Compatibility": "{\"id\":\"309c960c7f875411ae2ee2bfb97b86eee5058f3dad77206dd0df4f97df8a77fa\",\"created\":\"2015-12-30T22:29:12.346834862Z\",\"container\":\"1b97abade59e4b5b935aede236980a54fb500cd9ee5bd4323c832c6d7b3ffc6e\",\"container_config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":[\"/bin/sh\",\"-c\",\"#(nop) ADD file:74912593c6783292c4520514f5cc9313acbd1da0f46edee0fdbed2a24a264d6f in /\"],\"Image\":\"\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":null},\"docker_version\":\"1.9.1\",\"config\":{\"Hostname\":\"1b97abade59e\",\"Domainname\":\"\",\"User\":\"\",\"AttachStdin\":false,\"AttachStdout\":false,\"AttachStderr\":false,\"Tty\":false,\"OpenStdin\":false,\"StdinOnce\":false,\"Env\":null,\"Cmd\":null,\"Image\":\"\",\"Volumes\":null,\"WorkingDir\":\"\",\"Entrypoint\":null,\"OnBuild\":null,\"Labels\":null},\"architecture\":\"amd64\",\"os\":\"linux\",\"Size\":15141568}"
}
],
"signatures": [
{
"header": {
"alg": "RS256",
"jwk": {
"e": "AQAB",
"kty": "RSA",
"n": "yB40ou1GMvIxYs1jhxWaeoDiw3oa0_Q2UJThUPtArvO0tRzaun9FnSphhOEHIGcezfq95jy-3MN-FIjmsWgbPHY8lVDS38fF75aCw6qkholwqjmMtUIgPNYoMrg0rLUE5RRyJ84-hKf9Fk7V3fItp1mvCTGKaS3ze-y5dTTrfbNGE7qG638Dla2Fuz-9CNgRQj0JH54o547WkKJC-pG-j0jTDr8lzsXhrZC7lJas4yc-vpt3D60iG4cW_mkdtIj52ZFEgHZ56sUj7AhnNVly0ZP9W1hmw4xEHDn9WLjlt7ivwARVeb2qzsNdguUitcI5hUQNwpOVZ_O3f1rUIL_kRw"
}
},
"protected": "eyJmb3JtYXRUYWlsIjogIkNuMCIsICJmb3JtYXRMZW5ndGgiOiA1OTI2LCAidGltZSI6ICIyMDE2LTAxLTAyVDAyOjAxOjMzWiJ9",
"signature": "DrQ43UWeit-thDoRGTCP0Gd2wL5K2ecyPhHo_au0FoXwuKODja0tfwHexB9ypvFWngk-ijXuwO02x3aRIZqkWpvKLxxzxwkrZnPSje4o_VrFU4z5zwmN8sJw52ODkQlW38PURIVksOxCrb0zRl87yTAAsUAJ_4UUPNltZSLnhwy-qPb2NQ8ghgsONcBxRQrhPFiWNkxDKZ3kjvzYyrXDxTcvwK3Kk_YagZ4rCOhH1B7mAdVSiSHIvvNV5grPshw_ipAoqL2iNMsxWxLjYZl9xSJQI2asaq3fvh8G8cZ7T-OahDUos_GyhnIj39C-9ouqdJqMUYFETqbzRCR6d36CpQ"
}
]
}`

const busyboxDigest = "sha256:a59906e33509d14c036c8678d687bd4eec81ed7c4b8ce907b888c607f6a1e0e6"

const busyboxManifest = `{
Expand Down
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