158 lines
3.5 KiB
Go
158 lines
3.5 KiB
Go
package storage
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import (
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"reflect"
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"testing"
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"github.com/docker/libtrust"
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"github.com/docker/distribution/digest"
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"github.com/docker/distribution/storagedriver/inmemory"
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)
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func TestManifestStorage(t *testing.T) {
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driver := inmemory.New()
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ms := &manifestStore{
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driver: driver,
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pathMapper: &pathMapper{
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root: "/storage/testing",
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version: storagePathVersion,
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},
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layerService: newMockedLayerService(),
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}
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name := "foo/bar"
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tag := "thetag"
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exists, err := ms.Exists(name, tag)
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if err != nil {
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t.Fatalf("unexpected error checking manifest existence: %v", err)
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}
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if exists {
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t.Fatalf("manifest should not exist")
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}
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if _, err := ms.Get(name, tag); true {
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switch err.(type) {
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case ErrUnknownManifest:
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break
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default:
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t.Fatalf("expected manifest unknown error: %#v", err)
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}
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}
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manifest := Manifest{
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Versioned: Versioned{
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SchemaVersion: 1,
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},
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Name: name,
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Tag: tag,
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FSLayers: []FSLayer{
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{
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BlobSum: "asdf",
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},
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{
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BlobSum: "qwer",
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},
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},
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}
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pk, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatalf("unexpected error generating private key: %v", err)
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}
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sm, err := manifest.Sign(pk)
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if err != nil {
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t.Fatalf("error signing manifest: %v", err)
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}
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err = ms.Put(name, tag, sm)
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if err == nil {
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t.Fatalf("expected errors putting manifest")
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}
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// TODO(stevvooe): We expect errors describing all of the missing layers.
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ms.layerService.(*mockedExistenceLayerService).add(name, "asdf")
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ms.layerService.(*mockedExistenceLayerService).add(name, "qwer")
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if err = ms.Put(name, tag, sm); err != nil {
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t.Fatalf("unexpected error putting manifest: %v", err)
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}
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exists, err = ms.Exists(name, tag)
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if err != nil {
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t.Fatalf("unexpected error checking manifest existence: %v", err)
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}
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if !exists {
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t.Fatalf("manifest should exist")
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}
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fetchedManifest, err := ms.Get(name, tag)
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if err != nil {
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t.Fatalf("unexpected error fetching manifest: %v", err)
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}
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if !reflect.DeepEqual(fetchedManifest, sm) {
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t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedManifest, sm)
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}
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// Grabs the tags and check that this tagged manifest is present
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tags, err := ms.Tags(name)
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if err != nil {
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t.Fatalf("unexpected error fetching tags: %v", err)
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}
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if len(tags) != 1 {
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t.Fatalf("unexpected tags returned: %v", tags)
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}
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if tags[0] != tag {
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t.Fatalf("unexpected tag found in tags: %v != %v", tags, []string{tag})
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}
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}
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type layerKey struct {
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name string
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digest digest.Digest
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}
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type mockedExistenceLayerService struct {
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exists map[layerKey]struct{}
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}
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func newMockedLayerService() *mockedExistenceLayerService {
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return &mockedExistenceLayerService{
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exists: make(map[layerKey]struct{}),
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}
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}
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var _ LayerService = &mockedExistenceLayerService{}
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func (mels *mockedExistenceLayerService) add(name string, digest digest.Digest) {
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mels.exists[layerKey{name: name, digest: digest}] = struct{}{}
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}
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func (mels *mockedExistenceLayerService) remove(name string, digest digest.Digest) {
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delete(mels.exists, layerKey{name: name, digest: digest})
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}
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func (mels *mockedExistenceLayerService) Exists(name string, digest digest.Digest) (bool, error) {
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_, ok := mels.exists[layerKey{name: name, digest: digest}]
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return ok, nil
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}
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func (mockedExistenceLayerService) Fetch(name string, digest digest.Digest) (Layer, error) {
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panic("not implemented")
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}
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func (mockedExistenceLayerService) Upload(name string) (LayerUpload, error) {
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panic("not implemented")
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}
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func (mockedExistenceLayerService) Resume(uuid string) (LayerUpload, error) {
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panic("not implemented")
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}
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