// NewRepositoryInfo validates and breaks down a repository name into a RepositoryInfo
func (config *ServiceConfig) NewRepositoryInfo(reposName reference.Named) (*RepositoryInfo, error) {
if err := validateNoSchema(reposName.Name()); err != nil {
return nil, err
}
repoInfo := &RepositoryInfo{}
var (
indexName string
err error
)
indexName, repoInfo.RemoteName, err = loadRepositoryName(reposName)
if err != nil {
return nil, err
}
repoInfo.Index, err = config.NewIndexInfo(indexName)
if err != nil {
return nil, err
}
if repoInfo.Index.Official {
repoInfo.LocalName, err = normalizeLibraryRepoName(repoInfo.RemoteName)
if err != nil {
return nil, err
}
repoInfo.RemoteName = repoInfo.LocalName
// If the normalized name does not contain a '/' (e.g. "foo")
// then it is an official repo.
if strings.IndexRune(repoInfo.RemoteName.Name(), '/') == -1 {
repoInfo.Official = true
// Fix up remote name for official repos.
repoInfo.RemoteName, err = reference.WithName("library/" + repoInfo.RemoteName.Name())
if err != nil {
return nil, err
}
}
repoInfo.CanonicalName, err = reference.WithName("docker.io/" + repoInfo.RemoteName.Name())
if err != nil {
return nil, err
}
} else {
repoInfo.LocalName, err = localNameFromRemote(repoInfo.Index.Name, repoInfo.RemoteName)
if err != nil {
return nil, err
}
repoInfo.CanonicalName = repoInfo.LocalName
}
return repoInfo, nil
}
// normalizeLibraryRepoName removes the library prefix from
// the repository name for official repos.
func normalizeLibraryRepoName(name reference.Named) (reference.Named, error) {
if strings.HasPrefix(name.Name(), "library/") {
// If pull "library/foo", it's stored locally under "foo"
return reference.WithName(strings.SplitN(name.Name(), "/", 2)[1])
}
return name, nil
}
func TestMirrorEndpointLookup(t *testing.T) {
containsMirror := func(endpoints []APIEndpoint) bool {
for _, pe := range endpoints {
if pe.URL == "my.mirror" {
return true
}
}
return false
}
s := Service{Config: makeServiceConfig([]string{"my.mirror"}, nil)}
imageName, err := reference.WithName(IndexName + "/test/image")
if err != nil {
t.Error(err)
}
pushAPIEndpoints, err := s.LookupPushEndpoints(imageName)
if err != nil {
t.Fatal(err)
}
if containsMirror(pushAPIEndpoints) {
t.Fatal("Push endpoint should not contain mirror")
}
pullAPIEndpoints, err := s.LookupPullEndpoints(imageName)
if err != nil {
t.Fatal(err)
}
if !containsMirror(pullAPIEndpoints) {
t.Fatal("Pull endpoint should contain mirror")
}
}
func TestValidateRepositoryName(t *testing.T) {
validRepoNames := []string{
"docker/docker",
"library/debian",
"debian",
"docker.io/docker/docker",
"docker.io/library/debian",
"docker.io/debian",
"index.docker.io/docker/docker",
"index.docker.io/library/debian",
"index.docker.io/debian",
"127.0.0.1:5000/docker/docker",
"127.0.0.1:5000/library/debian",
"127.0.0.1:5000/debian",
"thisisthesongthatneverendsitgoesonandonandonthisisthesongthatnev",
}
invalidRepoNames := []string{
"https://github.com/docker/docker",
"docker/Docker",
"-docker",
"-docker/docker",
"-docker.io/docker/docker",
"docker///docker",
"docker.io/docker/Docker",
"docker.io/docker///docker",
"1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
"docker.io/1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
}
for _, name := range invalidRepoNames {
named, err := reference.WithName(name)
if err == nil {
err := ValidateRepositoryName(named)
assertNotEqual(t, err, nil, "Expected invalid repo name: "+name)
}
}
for _, name := range validRepoNames {
named, err := reference.WithName(name)
if err != nil {
t.Fatalf("could not parse valid name: %s", name)
}
err = ValidateRepositoryName(named)
assertEqual(t, err, nil, "Expected valid repo name: "+name)
}
}
func (l *tarexporter) legacyLoad(tmpDir string, outStream io.Writer) error {
legacyLoadedMap := make(map[string]image.ID)
dirs, err := ioutil.ReadDir(tmpDir)
if err != nil {
return err
}
// every dir represents an image
for _, d := range dirs {
if d.IsDir() {
if err := l.legacyLoadImage(d.Name(), tmpDir, legacyLoadedMap); err != nil {
return err
}
}
}
// load tags from repositories file
repositoriesPath, err := safePath(tmpDir, legacyRepositoriesFileName)
if err != nil {
return err
}
repositoriesFile, err := os.Open(repositoriesPath)
if err != nil {
if !os.IsNotExist(err) {
return err
}
return repositoriesFile.Close()
}
defer repositoriesFile.Close()
repositories := make(map[string]map[string]string)
if err := json.NewDecoder(repositoriesFile).Decode(&repositories); err != nil {
return err
}
for name, tagMap := range repositories {
for tag, oldID := range tagMap {
imgID, ok := legacyLoadedMap[oldID]
if !ok {
return fmt.Errorf("invalid target ID: %v", oldID)
}
named, err := reference.WithName(name)
if err != nil {
return err
}
ref, err := reference.WithTag(named, tag)
if err != nil {
return err
}
l.setLoadedTag(ref, imgID, outStream)
}
}
return nil
}
// WithName returns a named object representing the given string. If the input
// is invalid ErrReferenceInvalidFormat will be returned.
func WithName(name string) (Named, error) {
name = normalize(name)
if err := validateName(name); err != nil {
return nil, err
}
r, err := distreference.WithName(name)
if err != nil {
return nil, err
}
return &namedRef{r}, nil
}
func validateRemoteName(remoteName string) error {
if !strings.Contains(remoteName, "/") {
// the repository name must not be a valid image ID
if err := image.ValidateID(remoteName); err == nil {
return fmt.Errorf("Invalid repository name (%s), cannot specify 64-byte hexadecimal strings", remoteName)
}
}
_, err := reference.WithName(remoteName)
return err
}
// splitReposName breaks a reposName into an index name and remote name
func splitReposName(reposName reference.Named) (indexName string, remoteName reference.Named, err error) {
var remoteNameStr string
indexName, remoteNameStr = reference.SplitHostname(reposName)
if indexName == "" || (!strings.Contains(indexName, ".") &&
!strings.Contains(indexName, ":") && indexName != "localhost") {
// This is a Docker Index repos (ex: samalba/hipache or ubuntu)
// 'docker.io'
indexName = IndexName
remoteName = reposName
} else {
remoteName, err = reference.WithName(remoteNameStr)
}
return
}
func (s *router) postImagesTag(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
repo := r.Form.Get("repo")
tag := r.Form.Get("tag")
newTag, err := reference.WithName(repo)
if err != nil {
return err
}
if tag != "" {
if newTag, err = reference.WithTag(newTag, tag); err != nil {
return err
}
}
if err := s.daemon.TagImage(newTag, vars["name"]); err != nil {
return err
}
w.WriteHeader(http.StatusCreated)
return nil
}
func handlerPutTag(w http.ResponseWriter, r *http.Request) {
if !requiresAuth(w, r) {
return
}
vars := mux.Vars(r)
repositoryName, err := reference.WithName(vars["repository"])
if err != nil {
apiError(w, "Could not parse repository", 400)
return
}
repositoryName = NormalizeLocalName(repositoryName)
tagName := vars["tag"]
tags, exists := testRepositories[repositoryName.String()]
if !exists {
tags = make(map[string]string)
testRepositories[repositoryName.String()] = tags
}
tagValue := ""
readJSON(r, tagValue)
tags[tagName] = tagValue
writeResponse(w, true, 200)
}
func handlerGetDeleteTags(w http.ResponseWriter, r *http.Request) {
if !requiresAuth(w, r) {
return
}
repositoryName, err := reference.WithName(mux.Vars(r)["repository"])
if err != nil {
apiError(w, "Could not parse repository", 400)
return
}
repositoryName = NormalizeLocalName(repositoryName)
tags, exists := testRepositories[repositoryName.String()]
if !exists {
apiError(w, "Repository not found", 404)
return
}
if r.Method == "DELETE" {
delete(testRepositories, repositoryName.String())
writeResponse(w, true, 200)
return
}
writeResponse(w, tags, 200)
}
func handlerGetTag(w http.ResponseWriter, r *http.Request) {
if !requiresAuth(w, r) {
return
}
vars := mux.Vars(r)
repositoryName, err := reference.WithName(vars["repository"])
if err != nil {
apiError(w, "Could not parse repository", 400)
return
}
repositoryName = NormalizeLocalName(repositoryName)
tagName := vars["tag"]
tags, exists := testRepositories[repositoryName.String()]
if !exists {
apiError(w, "Repository not found", 404)
return
}
tag, exists := tags[tagName]
if !exists {
apiError(w, "Tag not found", 404)
return
}
writeResponse(w, tag, 200)
}
// Commit creates a new filesystem image from the current state of a container.
// The image can optionally be tagged into a repository.
func (daemon *Daemon) Commit(name string, c *ContainerCommitConfig) (string, error) {
container, err := daemon.Get(name)
if err != nil {
return "", err
}
// It is not possible to commit a running container on Windows
if runtime.GOOS == "windows" && container.IsRunning() {
return "", fmt.Errorf("Windows does not support commit of a running container")
}
if c.Pause && !container.isPaused() {
daemon.containerPause(container)
defer daemon.containerUnpause(container)
}
if c.MergeConfigs {
if err := runconfig.Merge(c.Config, container.Config); err != nil {
return "", err
}
}
rwTar, err := daemon.exportContainerRw(container)
if err != nil {
return "", err
}
defer func() {
if rwTar != nil {
rwTar.Close()
}
}()
var history []image.History
rootFS := image.NewRootFS()
if container.ImageID != "" {
img, err := daemon.imageStore.Get(container.ImageID)
if err != nil {
return "", err
}
history = img.History
rootFS = img.RootFS
}
l, err := daemon.layerStore.Register(rwTar, rootFS.ChainID())
if err != nil {
return "", err
}
defer layer.ReleaseAndLog(daemon.layerStore, l)
h := image.History{
Author: c.Author,
Created: time.Now().UTC(),
CreatedBy: strings.Join(container.Config.Cmd.Slice(), " "),
Comment: c.Comment,
EmptyLayer: true,
}
if diffID := l.DiffID(); layer.DigestSHA256EmptyTar != diffID {
h.EmptyLayer = false
rootFS.Append(diffID)
}
history = append(history, h)
config, err := json.Marshal(&image.Image{
V1Image: image.V1Image{
DockerVersion: dockerversion.Version,
Config: c.Config,
Architecture: runtime.GOARCH,
OS: runtime.GOOS,
Container: container.ID,
ContainerConfig: *container.Config,
Author: c.Author,
Created: h.Created,
},
RootFS: rootFS,
History: history,
})
if err != nil {
return "", err
}
id, err := daemon.imageStore.Create(config)
if err != nil {
return "", err
}
if container.ImageID != "" {
if err := daemon.imageStore.SetParent(id, container.ImageID); err != nil {
return "", err
}
}
if c.Repo != "" {
newTag, err := reference.WithName(c.Repo) // todo: should move this to API layer
if err != nil {
return "", err
}
if c.Tag != "" {
if newTag, err = reference.WithTag(newTag, c.Tag); err != nil {
return "", err
}
}
if err := daemon.TagImage(newTag, id.String(), true); err != nil {
return "", err
}
}
daemon.LogContainerEvent(container, "commit")
return id.String(), nil
}
func (pd *v2PushDescriptor) Upload(ctx context.Context, progressOutput progress.Output) (distribution.Descriptor, error) {
if fs, ok := pd.layer.(distribution.Describable); ok {
if d := fs.Descriptor(); len(d.URLs) > 0 {
progress.Update(progressOutput, pd.ID(), "Skipped foreign layer")
return d, nil
}
}
diffID := pd.DiffID()
pd.pushState.Lock()
if descriptor, ok := pd.pushState.remoteLayers[diffID]; ok {
// it is already known that the push is not needed and
// therefore doing a stat is unnecessary
pd.pushState.Unlock()
progress.Update(progressOutput, pd.ID(), "Layer already exists")
return descriptor, nil
}
pd.pushState.Unlock()
// Do we have any metadata associated with this layer's DiffID?
v2Metadata, err := pd.v2MetadataService.GetMetadata(diffID)
if err == nil {
descriptor, exists, err := layerAlreadyExists(ctx, v2Metadata, pd.repoInfo, pd.repo, pd.pushState)
if err != nil {
progress.Update(progressOutput, pd.ID(), "Image push failed")
return distribution.Descriptor{}, retryOnError(err)
}
if exists {
progress.Update(progressOutput, pd.ID(), "Layer already exists")
pd.pushState.Lock()
pd.pushState.remoteLayers[diffID] = descriptor
pd.pushState.Unlock()
return descriptor, nil
}
}
logrus.Debugf("Pushing layer: %s", diffID)
// if digest was empty or not saved, or if blob does not exist on the remote repository,
// then push the blob.
bs := pd.repo.Blobs(ctx)
var layerUpload distribution.BlobWriter
mountAttemptsRemaining := 3
// Attempt to find another repository in the same registry to mount the layer
// from to avoid an unnecessary upload.
// Note: metadata is stored from oldest to newest, so we iterate through this
// slice in reverse to maximize our chances of the blob still existing in the
// remote repository.
for i := len(v2Metadata) - 1; i >= 0 && mountAttemptsRemaining > 0; i-- {
mountFrom := v2Metadata[i]
sourceRepo, err := reference.ParseNamed(mountFrom.SourceRepository)
if err != nil {
continue
}
if pd.repoInfo.Hostname() != sourceRepo.Hostname() {
// don't mount blobs from another registry
continue
}
namedRef, err := reference.WithName(mountFrom.SourceRepository)
if err != nil {
continue
}
// TODO (brianbland): We need to construct a reference where the Name is
// only the full remote name, so clean this up when distribution has a
// richer reference package
remoteRef, err := distreference.WithName(namedRef.RemoteName())
if err != nil {
continue
}
canonicalRef, err := distreference.WithDigest(remoteRef, mountFrom.Digest)
if err != nil {
continue
}
logrus.Debugf("attempting to mount layer %s (%s) from %s", diffID, mountFrom.Digest, sourceRepo.FullName())
layerUpload, err = bs.Create(ctx, client.WithMountFrom(canonicalRef))
switch err := err.(type) {
case distribution.ErrBlobMounted:
progress.Updatef(progressOutput, pd.ID(), "Mounted from %s", err.From.Name())
err.Descriptor.MediaType = schema2.MediaTypeLayer
pd.pushState.Lock()
pd.pushState.confirmedV2 = true
pd.pushState.remoteLayers[diffID] = err.Descriptor
pd.pushState.Unlock()
// Cache mapping from this layer's DiffID to the blobsum
if err := pd.v2MetadataService.Add(diffID, metadata.V2Metadata{Digest: mountFrom.Digest, SourceRepository: pd.repoInfo.FullName()}); err != nil {
return distribution.Descriptor{}, xfer.DoNotRetry{Err: err}
}
return err.Descriptor, nil
case nil:
// blob upload session created successfully, so begin the upload
mountAttemptsRemaining = 0
default:
// unable to mount layer from this repository, so this source mapping is no longer valid
logrus.Debugf("unassociating layer %s (%s) with %s", diffID, mountFrom.Digest, mountFrom.SourceRepository)
pd.v2MetadataService.Remove(mountFrom)
mountAttemptsRemaining--
}
}
if layerUpload == nil {
layerUpload, err = bs.Create(ctx)
if err != nil {
return distribution.Descriptor{}, retryOnError(err)
}
}
defer layerUpload.Close()
arch, err := pd.layer.TarStream()
if err != nil {
return distribution.Descriptor{}, xfer.DoNotRetry{Err: err}
}
// don't care if this fails; best effort
size, _ := pd.layer.DiffSize()
reader := progress.NewProgressReader(ioutils.NewCancelReadCloser(ctx, arch), progressOutput, size, pd.ID(), "Pushing")
compressedReader, compressionDone := compress(reader)
defer func() {
reader.Close()
<-compressionDone
}()
digester := digest.Canonical.New()
tee := io.TeeReader(compressedReader, digester.Hash())
nn, err := layerUpload.ReadFrom(tee)
compressedReader.Close()
if err != nil {
return distribution.Descriptor{}, retryOnError(err)
}
pushDigest := digester.Digest()
if _, err := layerUpload.Commit(ctx, distribution.Descriptor{Digest: pushDigest}); err != nil {
return distribution.Descriptor{}, retryOnError(err)
}
logrus.Debugf("uploaded layer %s (%s), %d bytes", diffID, pushDigest, nn)
progress.Update(progressOutput, pd.ID(), "Pushed")
// Cache mapping from this layer's DiffID to the blobsum
if err := pd.v2MetadataService.Add(diffID, metadata.V2Metadata{Digest: pushDigest, SourceRepository: pd.repoInfo.FullName()}); err != nil {
return distribution.Descriptor{}, xfer.DoNotRetry{Err: err}
}
pd.pushState.Lock()
// If Commit succeeded, that's an indication that the remote registry
// speaks the v2 protocol.
pd.pushState.confirmedV2 = true
descriptor := distribution.Descriptor{
Digest: pushDigest,
MediaType: schema2.MediaTypeLayer,
Size: nn,
}
pd.pushState.remoteLayers[diffID] = descriptor
pd.pushState.Unlock()
return descriptor, nil
}
// localNameFromRemote combines the index name and the repo remote name
// to generate a repo local name.
func localNameFromRemote(indexName string, remoteName reference.Named) (reference.Named, error) {
return reference.WithName(indexName + "/" + remoteName.Name())
}
func (pd *v2PushDescriptor) Upload(ctx context.Context, progressOutput progress.Output) (distribution.Descriptor, error) {
if fs, ok := pd.layer.(distribution.Describable); ok {
if d := fs.Descriptor(); len(d.URLs) > 0 {
progress.Update(progressOutput, pd.ID(), "Skipped foreign layer")
return d, nil
}
}
diffID := pd.DiffID()
pd.pushState.Lock()
if descriptor, ok := pd.pushState.remoteLayers[diffID]; ok {
// it is already known that the push is not needed and
// therefore doing a stat is unnecessary
pd.pushState.Unlock()
progress.Update(progressOutput, pd.ID(), "Layer already exists")
return descriptor, nil
}
pd.pushState.Unlock()
maxMountAttempts, maxExistenceChecks, checkOtherRepositories := getMaxMountAndExistenceCheckAttempts(pd.layer)
// Do we have any metadata associated with this layer's DiffID?
v2Metadata, err := pd.v2MetadataService.GetMetadata(diffID)
if err == nil {
// check for blob existence in the target repository if we have a mapping with it
descriptor, exists, err := pd.layerAlreadyExists(ctx, progressOutput, diffID, false, 1, v2Metadata)
if exists || err != nil {
return descriptor, err
}
}
// if digest was empty or not saved, or if blob does not exist on the remote repository,
// then push the blob.
bs := pd.repo.Blobs(ctx)
var layerUpload distribution.BlobWriter
// Attempt to find another repository in the same registry to mount the layer from to avoid an unnecessary upload
candidates := getRepositoryMountCandidates(pd.repoInfo, pd.hmacKey, maxMountAttempts, v2Metadata)
for _, mountCandidate := range candidates {
logrus.Debugf("attempting to mount layer %s (%s) from %s", diffID, mountCandidate.Digest, mountCandidate.SourceRepository)
createOpts := []distribution.BlobCreateOption{}
if len(mountCandidate.SourceRepository) > 0 {
namedRef, err := reference.WithName(mountCandidate.SourceRepository)
if err != nil {
logrus.Errorf("failed to parse source repository reference %v: %v", namedRef.String(), err)
pd.v2MetadataService.Remove(mountCandidate)
continue
}
// TODO (brianbland): We need to construct a reference where the Name is
// only the full remote name, so clean this up when distribution has a
// richer reference package
remoteRef, err := distreference.WithName(namedRef.RemoteName())
if err != nil {
logrus.Errorf("failed to make remote reference out of %q: %v", namedRef.RemoteName(), namedRef.RemoteName())
continue
}
canonicalRef, err := distreference.WithDigest(distreference.TrimNamed(remoteRef), mountCandidate.Digest)
if err != nil {
logrus.Errorf("failed to make canonical reference: %v", err)
continue
}
createOpts = append(createOpts, client.WithMountFrom(canonicalRef))
}
// send the layer
lu, err := bs.Create(ctx, createOpts...)
switch err := err.(type) {
case nil:
// noop
case distribution.ErrBlobMounted:
progress.Updatef(progressOutput, pd.ID(), "Mounted from %s", err.From.Name())
err.Descriptor.MediaType = schema2.MediaTypeLayer
pd.pushState.Lock()
pd.pushState.confirmedV2 = true
pd.pushState.remoteLayers[diffID] = err.Descriptor
pd.pushState.Unlock()
// Cache mapping from this layer's DiffID to the blobsum
if err := pd.v2MetadataService.TagAndAdd(diffID, pd.hmacKey, metadata.V2Metadata{
Digest: err.Descriptor.Digest,
SourceRepository: pd.repoInfo.FullName(),
}); err != nil {
return distribution.Descriptor{}, xfer.DoNotRetry{Err: err}
}
return err.Descriptor, nil
default:
logrus.Infof("failed to mount layer %s (%s) from %s: %v", diffID, mountCandidate.Digest, mountCandidate.SourceRepository, err)
}
if len(mountCandidate.SourceRepository) > 0 &&
(metadata.CheckV2MetadataHMAC(&mountCandidate, pd.hmacKey) ||
len(mountCandidate.HMAC) == 0) {
cause := "blob mount failure"
if err != nil {
cause = fmt.Sprintf("an error: %v", err.Error())
}
logrus.Debugf("removing association between layer %s and %s due to %s", mountCandidate.Digest, mountCandidate.SourceRepository, cause)
pd.v2MetadataService.Remove(mountCandidate)
}
if lu != nil {
// cancel previous upload
cancelLayerUpload(ctx, mountCandidate.Digest, layerUpload)
layerUpload = lu
}
}
if maxExistenceChecks-len(pd.checkedDigests) > 0 {
// do additional layer existence checks with other known digests if any
descriptor, exists, err := pd.layerAlreadyExists(ctx, progressOutput, diffID, checkOtherRepositories, maxExistenceChecks-len(pd.checkedDigests), v2Metadata)
if exists || err != nil {
return descriptor, err
}
}
logrus.Debugf("Pushing layer: %s", diffID)
if layerUpload == nil {
layerUpload, err = bs.Create(ctx)
if err != nil {
return distribution.Descriptor{}, retryOnError(err)
}
}
defer layerUpload.Close()
// upload the blob
desc, err := pd.uploadUsingSession(ctx, progressOutput, diffID, layerUpload)
if err != nil {
return desc, err
}
return desc, nil
}
func TestAddDeleteGet(t *testing.T) {
jsonFile, err := ioutil.TempFile("", "tag-store-test")
if err != nil {
t.Fatalf("error creating temp file: %v", err)
}
_, err = jsonFile.Write([]byte(`{}`))
jsonFile.Close()
defer os.RemoveAll(jsonFile.Name())
store, err := NewTagStore(jsonFile.Name())
if err != nil {
t.Fatalf("error creating tag store: %v", err)
}
testImageID1 := image.ID("sha256:9655aef5fd742a1b4e1b7b163aa9f1c76c186304bf39102283d80927c916ca9c")
testImageID2 := image.ID("sha256:9655aef5fd742a1b4e1b7b163aa9f1c76c186304bf39102283d80927c916ca9d")
testImageID3 := image.ID("sha256:9655aef5fd742a1b4e1b7b163aa9f1c76c186304bf39102283d80927c916ca9e")
// Try adding a reference with no tag or digest
nameOnly, err := reference.WithName("username/repo")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if err = store.AddTag(nameOnly, testImageID1, false); err != nil {
t.Fatalf("error adding to store: %v", err)
}
// Add a few references
ref1, err := reference.ParseNamed("username/repo1:latest")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if err = store.AddTag(ref1, testImageID1, false); err != nil {
t.Fatalf("error adding to store: %v", err)
}
ref2, err := reference.ParseNamed("username/repo1:old")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if err = store.AddTag(ref2, testImageID2, false); err != nil {
t.Fatalf("error adding to store: %v", err)
}
ref3, err := reference.ParseNamed("username/repo1:alias")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if err = store.AddTag(ref3, testImageID1, false); err != nil {
t.Fatalf("error adding to store: %v", err)
}
ref4, err := reference.ParseNamed("username/repo2:latest")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if err = store.AddTag(ref4, testImageID2, false); err != nil {
t.Fatalf("error adding to store: %v", err)
}
ref5, err := reference.ParseNamed("username/repo3@sha256:58153dfb11794fad694460162bf0cb0a4fa710cfa3f60979c177d920813e267c")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if err = store.AddDigest(ref5.(reference.Canonical), testImageID2, false); err != nil {
t.Fatalf("error adding to store: %v", err)
}
// Attempt to overwrite with force == false
if err = store.AddTag(ref4, testImageID3, false); err == nil || !strings.HasPrefix(err.Error(), "Conflict:") {
t.Fatalf("did not get expected error on overwrite attempt - got %v", err)
}
// Repeat to overwrite with force == true
if err = store.AddTag(ref4, testImageID3, true); err != nil {
t.Fatalf("failed to force tag overwrite: %v", err)
}
// Check references so far
id, err := store.Get(nameOnly)
if err != nil {
t.Fatalf("Get returned error: %v", err)
}
if id != testImageID1 {
t.Fatalf("id mismatch: got %s instead of %s", id.String(), testImageID1.String())
}
id, err = store.Get(ref1)
if err != nil {
t.Fatalf("Get returned error: %v", err)
}
if id != testImageID1 {
t.Fatalf("id mismatch: got %s instead of %s", id.String(), testImageID1.String())
}
id, err = store.Get(ref2)
if err != nil {
t.Fatalf("Get returned error: %v", err)
}
if id != testImageID2 {
t.Fatalf("id mismatch: got %s instead of %s", id.String(), testImageID2.String())
}
id, err = store.Get(ref3)
if err != nil {
t.Fatalf("Get returned error: %v", err)
}
if id != testImageID1 {
t.Fatalf("id mismatch: got %s instead of %s", id.String(), testImageID1.String())
}
id, err = store.Get(ref4)
if err != nil {
t.Fatalf("Get returned error: %v", err)
}
if id != testImageID3 {
t.Fatalf("id mismatch: got %s instead of %s", id.String(), testImageID3.String())
}
id, err = store.Get(ref5)
if err != nil {
t.Fatalf("Get returned error: %v", err)
}
if id != testImageID2 {
t.Fatalf("id mismatch: got %s instead of %s", id.String(), testImageID3.String())
}
// Get should return ErrDoesNotExist for a nonexistent repo
nonExistRepo, err := reference.ParseNamed("username/nonexistrepo:latest")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if _, err = store.Get(nonExistRepo); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Get")
}
// Get should return ErrDoesNotExist for a nonexistent tag
nonExistTag, err := reference.ParseNamed("username/repo1:nonexist")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
if _, err = store.Get(nonExistTag); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Get")
}
// Check References
refs := store.References(testImageID1)
sort.Sort(LexicalRefs(refs))
if len(refs) != 3 {
t.Fatal("unexpected number of references")
}
if refs[0].String() != ref3.String() {
t.Fatalf("unexpected reference: %v", refs[0].String())
}
if refs[1].String() != ref1.String() {
t.Fatalf("unexpected reference: %v", refs[1].String())
}
if refs[2].String() != nameOnly.String()+":latest" {
t.Fatalf("unexpected reference: %v", refs[2].String())
}
// Check ReferencesByName
repoName, err := reference.WithName("username/repo1")
if err != nil {
t.Fatalf("could not parse reference: %v", err)
}
associations := store.ReferencesByName(repoName)
sort.Sort(LexicalAssociations(associations))
if len(associations) != 3 {
t.Fatal("unexpected number of associations")
}
if associations[0].Ref.String() != ref3.String() {
t.Fatalf("unexpected reference: %v", associations[0].Ref.String())
}
if associations[0].ImageID != testImageID1 {
t.Fatalf("unexpected reference: %v", associations[0].Ref.String())
}
if associations[1].Ref.String() != ref1.String() {
t.Fatalf("unexpected reference: %v", associations[1].Ref.String())
}
if associations[1].ImageID != testImageID1 {
t.Fatalf("unexpected reference: %v", associations[1].Ref.String())
}
if associations[2].Ref.String() != ref2.String() {
t.Fatalf("unexpected reference: %v", associations[2].Ref.String())
}
if associations[2].ImageID != testImageID2 {
t.Fatalf("unexpected reference: %v", associations[2].Ref.String())
}
// Delete should return ErrDoesNotExist for a nonexistent repo
if _, err = store.Delete(nonExistRepo); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Delete")
}
// Delete should return ErrDoesNotExist for a nonexistent tag
if _, err = store.Delete(nonExistTag); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Delete")
}
// Delete a few references
if deleted, err := store.Delete(ref1); err != nil || deleted != true {
t.Fatal("Delete failed")
}
if _, err := store.Get(ref1); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Get")
}
if deleted, err := store.Delete(ref5); err != nil || deleted != true {
t.Fatal("Delete failed")
}
if _, err := store.Get(ref5); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Get")
}
if deleted, err := store.Delete(nameOnly); err != nil || deleted != true {
t.Fatal("Delete failed")
}
if _, err := store.Get(nameOnly); err != ErrDoesNotExist {
t.Fatal("Expected ErrDoesNotExist from Get")
}
}
func (r *mockRepository) Named() reference.Named {
named, _ := reference.WithName("test")
return named
}
func main() {
logger := lager.NewLogger("http")
var request CheckRequest
err := json.NewDecoder(os.Stdin).Decode(&request)
fatalIf("failed to read request", err)
os.Setenv("AWS_ACCESS_KEY_ID", request.Source.AWSAccessKeyID)
os.Setenv("AWS_SECRET_ACCESS_KEY", request.Source.AWSSecretAccessKey)
// silence benign ecr-login errors/warnings
seelog.UseLogger(seelog.Disabled)
ecrUser, ecrPass, err := ecr.ECRHelper{
ClientFactory: ecrapi.DefaultClientFactory{},
}.Get(request.Source.Repository)
if err == nil {
request.Source.Username = ecrUser
request.Source.Password = ecrPass
}
registryHost, repo := parseRepository(request.Source.Repository)
if len(request.Source.RegistryMirror) > 0 {
registryMirrorUrl, err := url.Parse(request.Source.RegistryMirror)
fatalIf("failed to parse registry mirror URL", err)
registryHost = registryMirrorUrl.Host
}
tag := request.Source.Tag
if tag == "" {
tag = "latest"
}
transport, registryURL := makeTransport(logger, request, registryHost, repo)
client := &http.Client{
Transport: retryRoundTripper(logger, transport),
}
ub, err := v2.NewURLBuilderFromString(registryURL, false)
fatalIf("failed to construct registry URL builder", err)
namedRef, err := reference.WithName(repo)
fatalIf("failed to construct named reference", err)
var response CheckResponse
taggedRef, err := reference.WithTag(namedRef, tag)
fatalIf("failed to construct tagged reference", err)
latestManifestURL, err := ub.BuildManifestURL(taggedRef)
fatalIf("failed to build latest manifest URL", err)
latestDigest, foundLatest := fetchDigest(client, latestManifestURL)
if request.Version.Digest != "" {
digestRef, err := reference.WithDigest(namedRef, digest.Digest(request.Version.Digest))
fatalIf("failed to build cursor manifest URL", err)
cursorManifestURL, err := ub.BuildManifestURL(digestRef)
fatalIf("failed to build manifest URL", err)
cursorDigest, foundCursor := fetchDigest(client, cursorManifestURL)
if foundCursor && cursorDigest != latestDigest {
response = append(response, Version{cursorDigest})
}
}
if foundLatest {
response = append(response, Version{latestDigest})
}
json.NewEncoder(os.Stdout).Encode(response)
}
func TestParseRepositoryInfo(t *testing.T) {
withName := func(name string) reference.Named {
named, err := reference.WithName(name)
if err != nil {
t.Fatalf("could not parse reference %s", name)
}
return named
}
expectedRepoInfos := map[string]RepositoryInfo{
"fooo/bar": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("fooo/bar"),
LocalName: withName("fooo/bar"),
CanonicalName: withName("docker.io/fooo/bar"),
Official: false,
},
"library/ubuntu": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("library/ubuntu"),
LocalName: withName("ubuntu"),
CanonicalName: withName("docker.io/library/ubuntu"),
Official: true,
},
"nonlibrary/ubuntu": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("nonlibrary/ubuntu"),
LocalName: withName("nonlibrary/ubuntu"),
CanonicalName: withName("docker.io/nonlibrary/ubuntu"),
Official: false,
},
"ubuntu": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("library/ubuntu"),
LocalName: withName("ubuntu"),
CanonicalName: withName("docker.io/library/ubuntu"),
Official: true,
},
"other/library": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("other/library"),
LocalName: withName("other/library"),
CanonicalName: withName("docker.io/other/library"),
Official: false,
},
"127.0.0.1:8000/private/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: "127.0.0.1:8000",
Official: false,
},
RemoteName: withName("private/moonbase"),
LocalName: withName("127.0.0.1:8000/private/moonbase"),
CanonicalName: withName("127.0.0.1:8000/private/moonbase"),
Official: false,
},
"127.0.0.1:8000/privatebase": {
Index: ®istrytypes.IndexInfo{
Name: "127.0.0.1:8000",
Official: false,
},
RemoteName: withName("privatebase"),
LocalName: withName("127.0.0.1:8000/privatebase"),
CanonicalName: withName("127.0.0.1:8000/privatebase"),
Official: false,
},
"localhost:8000/private/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: "localhost:8000",
Official: false,
},
RemoteName: withName("private/moonbase"),
LocalName: withName("localhost:8000/private/moonbase"),
CanonicalName: withName("localhost:8000/private/moonbase"),
Official: false,
},
"localhost:8000/privatebase": {
Index: ®istrytypes.IndexInfo{
Name: "localhost:8000",
Official: false,
},
RemoteName: withName("privatebase"),
LocalName: withName("localhost:8000/privatebase"),
CanonicalName: withName("localhost:8000/privatebase"),
Official: false,
},
"example.com/private/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: "example.com",
Official: false,
},
RemoteName: withName("private/moonbase"),
LocalName: withName("example.com/private/moonbase"),
CanonicalName: withName("example.com/private/moonbase"),
Official: false,
},
"example.com/privatebase": {
Index: ®istrytypes.IndexInfo{
Name: "example.com",
Official: false,
},
RemoteName: withName("privatebase"),
LocalName: withName("example.com/privatebase"),
CanonicalName: withName("example.com/privatebase"),
Official: false,
},
"example.com:8000/private/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: "example.com:8000",
Official: false,
},
RemoteName: withName("private/moonbase"),
LocalName: withName("example.com:8000/private/moonbase"),
CanonicalName: withName("example.com:8000/private/moonbase"),
Official: false,
},
"example.com:8000/privatebase": {
Index: ®istrytypes.IndexInfo{
Name: "example.com:8000",
Official: false,
},
RemoteName: withName("privatebase"),
LocalName: withName("example.com:8000/privatebase"),
CanonicalName: withName("example.com:8000/privatebase"),
Official: false,
},
"localhost/private/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: "localhost",
Official: false,
},
RemoteName: withName("private/moonbase"),
LocalName: withName("localhost/private/moonbase"),
CanonicalName: withName("localhost/private/moonbase"),
Official: false,
},
"localhost/privatebase": {
Index: ®istrytypes.IndexInfo{
Name: "localhost",
Official: false,
},
RemoteName: withName("privatebase"),
LocalName: withName("localhost/privatebase"),
CanonicalName: withName("localhost/privatebase"),
Official: false,
},
IndexName + "/public/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("public/moonbase"),
LocalName: withName("public/moonbase"),
CanonicalName: withName("docker.io/public/moonbase"),
Official: false,
},
"index." + IndexName + "/public/moonbase": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("public/moonbase"),
LocalName: withName("public/moonbase"),
CanonicalName: withName("docker.io/public/moonbase"),
Official: false,
},
"ubuntu-12.04-base": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("library/ubuntu-12.04-base"),
LocalName: withName("ubuntu-12.04-base"),
CanonicalName: withName("docker.io/library/ubuntu-12.04-base"),
Official: true,
},
IndexName + "/ubuntu-12.04-base": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("library/ubuntu-12.04-base"),
LocalName: withName("ubuntu-12.04-base"),
CanonicalName: withName("docker.io/library/ubuntu-12.04-base"),
Official: true,
},
"index." + IndexName + "/ubuntu-12.04-base": {
Index: ®istrytypes.IndexInfo{
Name: IndexName,
Official: true,
},
RemoteName: withName("library/ubuntu-12.04-base"),
LocalName: withName("ubuntu-12.04-base"),
CanonicalName: withName("docker.io/library/ubuntu-12.04-base"),
Official: true,
},
}
for reposName, expectedRepoInfo := range expectedRepoInfos {
named, err := reference.WithName(reposName)
if err != nil {
t.Error(err)
}
repoInfo, err := ParseRepositoryInfo(named)
if err != nil {
t.Error(err)
} else {
checkEqual(t, repoInfo.Index.Name, expectedRepoInfo.Index.Name, reposName)
checkEqual(t, repoInfo.RemoteName.String(), expectedRepoInfo.RemoteName.String(), reposName)
checkEqual(t, repoInfo.LocalName.String(), expectedRepoInfo.LocalName.String(), reposName)
checkEqual(t, repoInfo.CanonicalName.String(), expectedRepoInfo.CanonicalName.String(), reposName)
checkEqual(t, repoInfo.Index.Official, expectedRepoInfo.Index.Official, reposName)
checkEqual(t, repoInfo.Official, expectedRepoInfo.Official, reposName)
}
}
}
func migrateTags(root, driverName string, ts tagAdder, mappings map[string]image.ID) error {
migrationFile := filepath.Join(root, migrationTagsFileName)
if _, err := os.Lstat(migrationFile); !os.IsNotExist(err) {
return err
}
type repositories struct {
Repositories map[string]map[string]string
}
var repos repositories
f, err := os.Open(filepath.Join(root, repositoriesFilePrefixLegacy+driverName))
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
defer f.Close()
if err := json.NewDecoder(f).Decode(&repos); err != nil {
return err
}
for name, repo := range repos.Repositories {
for tag, id := range repo {
if strongID, exists := mappings[id]; exists {
ref, err := reference.WithName(name)
if err != nil {
logrus.Errorf("migrate tags: invalid name %q, %q", name, err)
continue
}
if dgst, err := digest.ParseDigest(tag); err == nil {
canonical, err := reference.WithDigest(ref, dgst)
if err != nil {
logrus.Errorf("migrate tags: invalid digest %q, %q", dgst, err)
continue
}
if err := ts.AddDigest(canonical, strongID, false); err != nil {
logrus.Errorf("can't migrate digest %q for %q, err: %q", ref.String(), strongID, err)
}
} else {
tagRef, err := reference.WithTag(ref, tag)
if err != nil {
logrus.Errorf("migrate tags: invalid tag %q, %q", tag, err)
continue
}
if err := ts.AddTag(tagRef, strongID, false); err != nil {
logrus.Errorf("can't migrate tag %q for %q, err: %q", ref.String(), strongID, err)
}
}
logrus.Infof("migrated tag %s:%s to point to %s", name, tag, strongID)
}
}
}
mf, err := os.Create(migrationFile)
if err != nil {
return err
}
mf.Close()
return nil
}
func (pd *v2PushDescriptor) Upload(ctx context.Context, progressOutput progress.Output) error {
diffID := pd.DiffID()
pd.pushState.Lock()
if _, ok := pd.pushState.remoteLayers[diffID]; ok {
// it is already known that the push is not needed and
// therefore doing a stat is unnecessary
pd.pushState.Unlock()
progress.Update(progressOutput, pd.ID(), "Layer already exists")
return nil
}
pd.pushState.Unlock()
// Do we have any metadata associated with this layer's DiffID?
v2Metadata, err := pd.v2MetadataService.GetMetadata(diffID)
if err == nil {
descriptor, exists, err := layerAlreadyExists(ctx, v2Metadata, pd.repoInfo, pd.repo, pd.pushState)
if err != nil {
progress.Update(progressOutput, pd.ID(), "Image push failed")
return retryOnError(err)
}
if exists {
progress.Update(progressOutput, pd.ID(), "Layer already exists")
pd.pushState.Lock()
pd.pushState.remoteLayers[diffID] = descriptor
pd.pushState.Unlock()
return nil
}
}
logrus.Debugf("Pushing layer: %s", diffID)
// if digest was empty or not saved, or if blob does not exist on the remote repository,
// then push the blob.
bs := pd.repo.Blobs(ctx)
var mountFrom metadata.V2Metadata
// Attempt to find another repository in the same registry to mount the layer from to avoid an unnecessary upload
for _, metadata := range v2Metadata {
sourceRepo, err := reference.ParseNamed(metadata.SourceRepository)
if err != nil {
continue
}
if pd.repoInfo.Hostname() == sourceRepo.Hostname() {
logrus.Debugf("attempting to mount layer %s (%s) from %s", diffID, metadata.Digest, sourceRepo.FullName())
mountFrom = metadata
break
}
}
var createOpts []distribution.BlobCreateOption
if mountFrom.SourceRepository != "" {
namedRef, err := reference.WithName(mountFrom.SourceRepository)
if err != nil {
return err
}
// TODO (brianbland): We need to construct a reference where the Name is
// only the full remote name, so clean this up when distribution has a
// richer reference package
remoteRef, err := distreference.WithName(namedRef.RemoteName())
if err != nil {
return err
}
canonicalRef, err := distreference.WithDigest(remoteRef, mountFrom.Digest)
if err != nil {
return err
}
createOpts = append(createOpts, client.WithMountFrom(canonicalRef))
}
// Send the layer
layerUpload, err := bs.Create(ctx, createOpts...)
switch err := err.(type) {
case distribution.ErrBlobMounted:
progress.Updatef(progressOutput, pd.ID(), "Mounted from %s", err.From.Name())
err.Descriptor.MediaType = schema2.MediaTypeLayer
pd.pushState.Lock()
pd.pushState.confirmedV2 = true
pd.pushState.remoteLayers[diffID] = err.Descriptor
pd.pushState.Unlock()
// Cache mapping from this layer's DiffID to the blobsum
if err := pd.v2MetadataService.Add(diffID, metadata.V2Metadata{Digest: mountFrom.Digest, SourceRepository: pd.repoInfo.FullName()}); err != nil {
return xfer.DoNotRetry{Err: err}
}
return nil
}
if mountFrom.SourceRepository != "" {
// unable to mount layer from this repository, so this source mapping is no longer valid
logrus.Debugf("unassociating layer %s (%s) with %s", diffID, mountFrom.Digest, mountFrom.SourceRepository)
pd.v2MetadataService.Remove(mountFrom)
}
if err != nil {
return retryOnError(err)
}
defer layerUpload.Close()
arch, err := pd.layer.TarStream()
if err != nil {
return xfer.DoNotRetry{Err: err}
}
// don't care if this fails; best effort
size, _ := pd.layer.DiffSize()
reader := progress.NewProgressReader(ioutils.NewCancelReadCloser(ctx, arch), progressOutput, size, pd.ID(), "Pushing")
compressedReader, compressionDone := compress(reader)
defer func() {
reader.Close()
<-compressionDone
}()
digester := digest.Canonical.New()
tee := io.TeeReader(compressedReader, digester.Hash())
nn, err := layerUpload.ReadFrom(tee)
compressedReader.Close()
if err != nil {
return retryOnError(err)
}
pushDigest := digester.Digest()
if _, err := layerUpload.Commit(ctx, distribution.Descriptor{Digest: pushDigest}); err != nil {
return retryOnError(err)
}
logrus.Debugf("uploaded layer %s (%s), %d bytes", diffID, pushDigest, nn)
progress.Update(progressOutput, pd.ID(), "Pushed")
// Cache mapping from this layer's DiffID to the blobsum
if err := pd.v2MetadataService.Add(diffID, metadata.V2Metadata{Digest: pushDigest, SourceRepository: pd.repoInfo.FullName()}); err != nil {
return xfer.DoNotRetry{Err: err}
}
pd.pushState.Lock()
// If Commit succeded, that's an indication that the remote registry
// speaks the v2 protocol.
pd.pushState.confirmedV2 = true
pd.pushState.remoteLayers[diffID] = distribution.Descriptor{
Digest: pushDigest,
MediaType: schema2.MediaTypeLayer,
Size: nn,
}
pd.pushState.Unlock()
return nil
}
func TestValidRemoteName(t *testing.T) {
validRepositoryNames := []string{
// Sanity check.
"docker/docker",
// Allow 64-character non-hexadecimal names (hexadecimal names are forbidden).
"thisisthesongthatneverendsitgoesonandonandonthisisthesongthatnev",
// Allow embedded hyphens.
"docker-rules/docker",
// Allow multiple hyphens as well.
"docker---rules/docker",
//Username doc and image name docker being tested.
"doc/docker",
// single character names are now allowed.
"d/docker",
"jess/t",
// Consecutive underscores.
"dock__er/docker",
}
for _, repositoryName := range validRepositoryNames {
repositoryRef, err := reference.WithName(repositoryName)
if err != nil {
t.Errorf("Repository name should be valid: %v. Error: %v", repositoryName, err)
}
if err := validateRemoteName(repositoryRef); err != nil {
t.Errorf("Repository name should be valid: %v. Error: %v", repositoryName, err)
}
}
invalidRepositoryNames := []string{
// Disallow capital letters.
"docker/Docker",
// Only allow one slash.
"docker///docker",
// Disallow 64-character hexadecimal.
"1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
// Disallow leading and trailing hyphens in namespace.
"-docker/docker",
"docker-/docker",
"-docker-/docker",
// Don't allow underscores everywhere (as opposed to hyphens).
"____/____",
"_docker/_docker",
// Disallow consecutive periods.
"dock..er/docker",
"dock_.er/docker",
"dock-.er/docker",
// No repository.
"docker/",
//namespace too long
"this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255_this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255_this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255_this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255/docker",
}
for _, repositoryName := range invalidRepositoryNames {
repositoryRef, err := reference.ParseNamed(repositoryName)
if err != nil {
continue
}
if err := validateRemoteName(repositoryRef); err == nil {
t.Errorf("Repository name should be invalid: %v", repositoryName)
}
}
}