func (srv *Server) pushImage(r *registry.Registry, out io.Writer, remote, imgId, ep string, token []string, sf *utils.StreamFormatter) error {
out = utils.NewWriteFlusher(out)
jsonRaw, err := ioutil.ReadFile(path.Join(srv.runtime.graph.Root, imgId, "json"))
if err != nil {
return fmt.Errorf("Error while retreiving the path for {%s}: %s", imgId, err)
}
out.Write(sf.FormatStatus("Pushing %s", imgId))
// Make sure we have the image's checksum
checksum, err := srv.getChecksum(imgId)
if err != nil {
return err
}
imgData := ®istry.ImgData{
ID: imgId,
Checksum: checksum,
}
// Send the json
if err := r.PushImageJSONRegistry(imgData, jsonRaw, ep, token); err != nil {
if err == registry.ErrAlreadyExists {
out.Write(sf.FormatStatus("Image %s already uploaded ; skipping", imgData.ID))
return nil
}
return err
}
// Retrieve the tarball to be sent
var layerData *TempArchive
// If the archive exists, use it
file, err := os.Open(layerArchivePath(srv.runtime.graph.imageRoot(imgId)))
if err != nil {
if os.IsNotExist(err) {
// If the archive does not exist, create one from the layer
layerData, err = srv.runtime.graph.TempLayerArchive(imgId, Xz, out)
if err != nil {
return fmt.Errorf("Failed to generate layer archive: %s", err)
}
} else {
return err
}
} else {
defer file.Close()
st, err := file.Stat()
if err != nil {
return err
}
layerData = &TempArchive{
File: file,
Size: st.Size(),
}
}
// Send the layer
if err := r.PushImageLayerRegistry(imgData.ID, utils.ProgressReader(layerData, int(layerData.Size), out, sf.FormatProgress("Pushing", "%v/%v (%v)"), sf), ep, token); err != nil {
return err
}
return nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, localName, remoteName string, localRepo map[string]string, indexEp string, sf *utils.StreamFormatter) error {
out = utils.NewWriteFlusher(out)
imgList, err := srv.getImageList(localRepo)
if err != nil {
return err
}
flattenedImgList := flatten(imgList)
out.Write(sf.FormatStatus("", "Sending image list"))
var repoData *registry.RepositoryData
repoData, err = r.PushImageJSONIndex(indexEp, remoteName, flattenedImgList, false, nil)
if err != nil {
return err
}
for _, ep := range repoData.Endpoints {
out.Write(sf.FormatStatus("", "Pushing repository %s (%d tags)", localName, len(localRepo)))
// This section can not be parallelized (each round depends on the previous one)
for _, round := range imgList {
// FIXME: This section can be parallelized
for _, elem := range round {
var pushTags func() error
pushTags = func() error {
out.Write(sf.FormatStatus("", "Pushing tags for rev [%s] on {%s}", elem.ID, ep+"repositories/"+remoteName+"/tags/"+elem.Tag))
if err := r.PushRegistryTag(remoteName, elem.ID, elem.Tag, ep, repoData.Tokens); err != nil {
return err
}
return nil
}
if _, exists := repoData.ImgList[elem.ID]; exists {
if err := pushTags(); err != nil {
return err
}
out.Write(sf.FormatStatus("", "Image %s already pushed, skipping", elem.ID))
continue
} else if r.LookupRemoteImage(elem.ID, ep, repoData.Tokens) {
if err := pushTags(); err != nil {
return err
}
out.Write(sf.FormatStatus("", "Image %s already pushed, skipping", elem.ID))
continue
}
if checksum, err := srv.pushImage(r, out, remoteName, elem.ID, ep, repoData.Tokens, sf); err != nil {
// FIXME: Continue on error?
return err
} else {
elem.Checksum = checksum
}
return pushTags()
}
}
}
if _, err := r.PushImageJSONIndex(indexEp, remoteName, flattenedImgList, true, repoData.Endpoints); err != nil {
return err
}
return nil
}
func (srv *Server) pullImage(r *registry.Registry, out io.Writer, imgId, endpoint string, token []string, sf *utils.StreamFormatter) error {
history, err := r.GetRemoteHistory(imgId, endpoint, token)
if err != nil {
return err
}
// FIXME: Try to stream the images?
// FIXME: Launch the getRemoteImage() in goroutines
for _, id := range history {
if !srv.runtime.graph.Exists(id) {
out.Write(sf.FormatStatus("Pulling %s metadata", id))
imgJSON, imgSize, err := r.GetRemoteImageJSON(id, endpoint, token)
if err != nil {
// FIXME: Keep goging in case of error?
return err
}
img, err := NewImgJSON(imgJSON)
if err != nil {
return fmt.Errorf("Failed to parse json: %s", err)
}
// Get the layer
out.Write(sf.FormatStatus("Pulling %s fs layer", id))
layer, err := r.GetRemoteImageLayer(img.ID, endpoint, token)
if err != nil {
return err
}
defer layer.Close()
if err := srv.runtime.graph.Register(utils.ProgressReader(layer, imgSize, out, sf.FormatProgress("Downloading", "%v/%v (%v)"), sf), false, img); err != nil {
return err
}
}
}
return nil
}
func (srv *Server) pullImage(r *registry.Registry, out io.Writer, imgId, endpoint string, token []string, json bool) error {
history, err := r.GetRemoteHistory(imgId, endpoint, token)
if err != nil {
return err
}
// FIXME: Try to stream the images?
// FIXME: Launch the getRemoteImage() in goroutines
for _, id := range history {
if !srv.runtime.graph.Exists(id) {
fmt.Fprintf(out, utils.FormatStatus("Pulling %s metadata", json), id)
imgJson, err := r.GetRemoteImageJson(id, endpoint, token)
if err != nil {
// FIXME: Keep goging in case of error?
return err
}
img, err := NewImgJson(imgJson)
if err != nil {
return fmt.Errorf("Failed to parse json: %s", err)
}
// Get the layer
fmt.Fprintf(out, utils.FormatStatus("Pulling %s fs layer", json), id)
layer, contentLength, err := r.GetRemoteImageLayer(img.Id, endpoint, token)
if err != nil {
return err
}
if err := srv.runtime.graph.Register(utils.ProgressReader(layer, contentLength, out, utils.FormatProgress("%v/%v (%v)", json), json), false, img); err != nil {
return err
}
}
}
return nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name string, localRepo map[string]string, indexEp string, sf *utils.StreamFormatter) error {
out = utils.NewWriteFlusher(out)
out.Write(sf.FormatStatus("Processing checksums"))
imgList, err := srv.getImageList(localRepo)
if err != nil {
return err
}
out.Write(sf.FormatStatus("Sending image list"))
srvName := name
parts := strings.Split(name, "/")
if len(parts) > 2 {
srvName = fmt.Sprintf("src/%s", url.QueryEscape(strings.Join(parts, "/")))
}
var repoData *registry.RepositoryData
repoData, err = r.PushImageJSONIndex(indexEp, name, imgList, false, nil)
if err != nil {
return err
}
for _, ep := range repoData.Endpoints {
out.Write(sf.FormatStatus("Pushing repository %s to %s (%d tags)", name, ep, len(localRepo)))
// For each image within the repo, push them
for _, elem := range imgList {
if _, exists := repoData.ImgList[elem.ID]; exists {
out.Write(sf.FormatStatus("Image %s already on registry, skipping", name))
continue
} else if r.LookupRemoteImage(elem.ID, ep, repoData.Tokens) {
fmt.Fprintf(out, "Image %s already on registry, skipping\n", name)
continue
}
if err := srv.pushImage(r, out, name, elem.ID, ep, repoData.Tokens, sf); err != nil {
// FIXME: Continue on error?
return err
}
out.Write(sf.FormatStatus("Pushing tags for rev [%s] on {%s}", elem.ID, ep+"repositories/"+srvName+"/tags/"+elem.Tag))
if err := r.PushRegistryTag(srvName, elem.ID, elem.Tag, ep, repoData.Tokens); err != nil {
return err
}
}
}
if _, err := r.PushImageJSONIndex(indexEp, name, imgList, true, repoData.Endpoints); err != nil {
return err
}
return nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, localName, remoteName string, localRepo map[string]string, indexEp string, sf *utils.StreamFormatter) error {
out = utils.NewWriteFlusher(out)
imgList, err := srv.getImageList(localRepo)
if err != nil {
return err
}
out.Write(sf.FormatStatus("Sending image list"))
var repoData *registry.RepositoryData
repoData, err = r.PushImageJSONIndex(indexEp, remoteName, imgList, false, nil)
if err != nil {
return err
}
for _, ep := range repoData.Endpoints {
out.Write(sf.FormatStatus("Pushing repository %s (%d tags)", localName, len(localRepo)))
// For each image within the repo, push them
for _, elem := range imgList {
if _, exists := repoData.ImgList[elem.ID]; exists {
out.Write(sf.FormatStatus("Image %s already pushed, skipping", elem.ID))
continue
} else if r.LookupRemoteImage(elem.ID, ep, repoData.Tokens) {
out.Write(sf.FormatStatus("Image %s already pushed, skipping", elem.ID))
continue
}
if checksum, err := srv.pushImage(r, out, remoteName, elem.ID, ep, repoData.Tokens, sf); err != nil {
// FIXME: Continue on error?
return err
} else {
elem.Checksum = checksum
}
out.Write(sf.FormatStatus("Pushing tags for rev [%s] on {%s}", elem.ID, ep+"repositories/"+remoteName+"/tags/"+elem.Tag))
if err := r.PushRegistryTag(remoteName, elem.ID, elem.Tag, ep, repoData.Tokens); err != nil {
return err
}
}
}
if _, err := r.PushImageJSONIndex(indexEp, remoteName, imgList, true, repoData.Endpoints); err != nil {
return err
}
return nil
}
func (srv *Server) pullImage(r *registry.Registry, out io.Writer, imgID, endpoint string, token []string, sf *utils.StreamFormatter) error {
history, err := r.GetRemoteHistory(imgID, endpoint, token)
if err != nil {
return err
}
out.Write(sf.FormatProgress(utils.TruncateID(imgID), "Pulling", "dependend layers"))
// FIXME: Try to stream the images?
// FIXME: Launch the getRemoteImage() in goroutines
for _, id := range history {
// ensure no two downloads of the same layer happen at the same time
if err := srv.poolAdd("pull", "layer:"+id); err != nil {
utils.Debugf("Image (id: %s) pull is already running, skipping: %v", id, err)
return nil
}
defer srv.poolRemove("pull", "layer:"+id)
if !srv.runtime.graph.Exists(id) {
out.Write(sf.FormatProgress(utils.TruncateID(id), "Pulling", "metadata"))
imgJSON, imgSize, err := r.GetRemoteImageJSON(id, endpoint, token)
if err != nil {
out.Write(sf.FormatProgress(utils.TruncateID(id), "Error", "pulling dependend layers"))
// FIXME: Keep going in case of error?
return err
}
img, err := NewImgJSON(imgJSON)
if err != nil {
out.Write(sf.FormatProgress(utils.TruncateID(id), "Error", "pulling dependend layers"))
return fmt.Errorf("Failed to parse json: %s", err)
}
// Get the layer
out.Write(sf.FormatProgress(utils.TruncateID(id), "Pulling", "fs layer"))
layer, err := r.GetRemoteImageLayer(img.ID, endpoint, token)
if err != nil {
out.Write(sf.FormatProgress(utils.TruncateID(id), "Error", "pulling dependend layers"))
return err
}
defer layer.Close()
if err := srv.runtime.graph.Register(imgJSON, utils.ProgressReader(layer, imgSize, out, sf.FormatProgress(utils.TruncateID(id), "Downloading", "%8v/%v (%v)"), sf, false), img); err != nil {
out.Write(sf.FormatProgress(utils.TruncateID(id), "Error", "downloading dependend layers"))
return err
}
}
out.Write(sf.FormatProgress(utils.TruncateID(id), "Download", "complete"))
}
return nil
}
func (srv *Server) pushImage(r *registry.Registry, out io.Writer, remote, imgID, ep string, token []string, sf *utils.StreamFormatter) (checksum string, err error) {
out = utils.NewWriteFlusher(out)
jsonRaw, err := ioutil.ReadFile(path.Join(srv.runtime.graph.Root, imgID, "json"))
if err != nil {
return "", fmt.Errorf("Cannot retrieve the path for {%s}: %s", imgID, err)
}
out.Write(sf.FormatStatus("", "Pushing %s", imgID))
imgData := ®istry.ImgData{
ID: imgID,
}
// Send the json
if err := r.PushImageJSONRegistry(imgData, jsonRaw, ep, token); err != nil {
if err == registry.ErrAlreadyExists {
out.Write(sf.FormatStatus("", "Image %s already pushed, skipping", imgData.ID))
return "", nil
}
return "", err
}
layerData, err := srv.runtime.graph.TempLayerArchive(imgID, archive.Uncompressed, sf, out)
if err != nil {
return "", fmt.Errorf("Failed to generate layer archive: %s", err)
}
defer os.RemoveAll(layerData.Name())
// Send the layer
checksum, err = r.PushImageLayerRegistry(imgData.ID, utils.ProgressReader(layerData, int(layerData.Size), out, sf.FormatProgress("", "Pushing", "%8v/%v (%v)"), sf, false), ep, token, jsonRaw)
if err != nil {
return "", err
}
imgData.Checksum = checksum
out.Write(sf.FormatStatus("", ""))
// Send the checksum
if err := r.PushImageChecksumRegistry(imgData, ep, token); err != nil {
return "", err
}
return imgData.Checksum, nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name string, localRepo map[string]string, sf *utils.StreamFormatter) error {
out = utils.NewWriteFlusher(out)
out.Write(sf.FormatStatus("Processing checksums"))
imgList, err := srv.getImageList(localRepo)
if err != nil {
return err
}
out.Write(sf.FormatStatus("Sending image list"))
repoData, err := r.PushImageJSONIndex(name, imgList, false)
if err != nil {
return err
}
for _, ep := range repoData.Endpoints {
out.Write(sf.FormatStatus("Pushing repository %s to %s (%d tags)", name, ep, len(localRepo)))
// For each image within the repo, push them
for _, elem := range imgList {
if _, exists := repoData.ImgList[elem.ID]; exists {
out.Write(sf.FormatStatus("Image %s already on registry, skipping", name))
continue
}
if err := srv.pushImage(r, out, name, elem.ID, ep, repoData.Tokens, sf); err != nil {
// FIXME: Continue on error?
return err
}
out.Write(sf.FormatStatus("Pushing tags for rev [%s] on {%s}", elem.ID, ep+"/users/"+name+"/"+elem.Tag))
if err := r.PushRegistryTag(name, elem.ID, elem.Tag, ep, repoData.Tokens); err != nil {
return err
}
}
}
if _, err := r.PushImageJSONIndex(name, imgList, true); err != nil {
return err
}
return nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name string, localRepo map[string]string) error {
out = utils.NewWriteFlusher(out)
fmt.Fprintf(out, "Processing checksums\n")
imgList, err := srv.getImageList(localRepo)
if err != nil {
return err
}
fmt.Fprintf(out, "Sending images list\n")
repoData, err := r.PushImageJsonIndex(name, imgList, false)
if err != nil {
return err
}
for _, ep := range repoData.Endpoints {
fmt.Fprintf(out, "Pushing repository %s to %s (%d tags)\r\n", name, ep, len(localRepo))
// For each image within the repo, push them
for _, elem := range imgList {
if _, exists := repoData.ImgList[elem.Id]; exists {
fmt.Fprintf(out, "Image %s already on registry, skipping\n", name)
continue
}
if err := srv.pushImage(r, out, name, elem.Id, ep, repoData.Tokens); err != nil {
// FIXME: Continue on error?
return err
}
fmt.Fprintf(out, "Pushing tags for rev [%s] on {%s}\n", elem.Id, ep+"/users/"+name+"/"+elem.Tag)
if err := r.PushRegistryTag(name, elem.Id, elem.Tag, ep, repoData.Tokens); err != nil {
return err
}
}
}
if _, err := r.PushImageJsonIndex(name, imgList, true); err != nil {
return err
}
return nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name, registryEp string, localRepo map[string]string, sf *utils.StreamFormatter) error {
out = utils.NewWriteFlusher(out)
out.Write(sf.FormatStatus("Processing checksums"))
imgList, err := srv.getImageList(localRepo)
if err != nil {
return err
}
out.Write(sf.FormatStatus("Sending image list"))
srvName := name
parts := strings.Split(name, "/")
if len(parts) > 2 {
srvName = fmt.Sprintf("src/%s", url.QueryEscape(strings.Join(parts, "/")))
}
var repoData *registry.RepositoryData
if registryEp == "" {
repoData, err = r.PushImageJSONIndex(name, imgList, false, nil)
if err != nil {
return err
}
} else {
repoData = ®istry.RepositoryData{
ImgList: make(map[string]*registry.ImgData),
Tokens: []string{},
Endpoints: []string{registryEp},
}
tagsList, err := r.GetRemoteTags(repoData.Endpoints, name, repoData.Tokens)
if err != nil && err.Error() != "Repository not found" {
return err
} else if err == nil {
for tag, id := range tagsList {
repoData.ImgList[id] = ®istry.ImgData{
ID: id,
Tag: tag,
Checksum: "",
}
}
}
}
for _, ep := range repoData.Endpoints {
if !(strings.HasPrefix(ep, "http://") || strings.HasPrefix(ep, "https://")) {
ep = fmt.Sprintf("%s://%s", registry.UrlScheme(), ep)
}
out.Write(sf.FormatStatus("Pushing repository %s to %s (%d tags)", name, ep, len(localRepo)))
// For each image within the repo, push them
for _, elem := range imgList {
if _, exists := repoData.ImgList[elem.ID]; exists {
out.Write(sf.FormatStatus("Image %s already on registry, skipping", name))
continue
} else if registryEp != "" && r.LookupRemoteImage(elem.ID, registryEp, repoData.Tokens) {
fmt.Fprintf(out, "Image %s already on registry, skipping\n", name)
continue
}
if err := srv.pushImage(r, out, name, elem.ID, ep, repoData.Tokens, sf); err != nil {
// FIXME: Continue on error?
return err
}
out.Write(sf.FormatStatus("Pushing tags for rev [%s] on {%s}", elem.ID, ep+"/repositories/"+srvName+"/tags/"+elem.Tag))
if err := r.PushRegistryTag(srvName, elem.ID, elem.Tag, ep, repoData.Tokens); err != nil {
return err
}
}
}
if registryEp == "" {
if _, err := r.PushImageJSONIndex(name, imgList, true, repoData.Endpoints); err != nil {
return err
}
}
return nil
}
func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, local, remote, askedTag, registryEp string, sf *utils.StreamFormatter) error {
out.Write(sf.FormatStatus("Pulling repository %s from %s", local, auth.IndexServerAddress()))
var repoData *registry.RepositoryData
var err error
if registryEp == "" {
repoData, err = r.GetRepositoryData(remote)
if err != nil {
return err
}
utils.Debugf("Updating checksums")
// Reload the json file to make sure not to overwrite faster sums
if err := srv.runtime.graph.UpdateChecksums(repoData.ImgList); err != nil {
return err
}
} else {
repoData = ®istry.RepositoryData{
Tokens: []string{},
ImgList: make(map[string]*registry.ImgData),
Endpoints: []string{registryEp},
}
}
utils.Debugf("Retrieving the tag list")
tagsList, err := r.GetRemoteTags(repoData.Endpoints, remote, repoData.Tokens)
if err != nil {
utils.Debugf("%v", err)
return err
}
if registryEp != "" {
for tag, id := range tagsList {
repoData.ImgList[id] = ®istry.ImgData{
ID: id,
Tag: tag,
Checksum: "",
}
}
}
utils.Debugf("Registering tags")
// If no tag has been specified, pull them all
if askedTag == "" {
for tag, id := range tagsList {
repoData.ImgList[id].Tag = tag
}
} else {
// Otherwise, check that the tag exists and use only that one
id, exists := tagsList[askedTag]
if !exists {
return fmt.Errorf("Tag %s not found in repositoy %s", askedTag, local)
}
repoData.ImgList[id].Tag = askedTag
}
for _, img := range repoData.ImgList {
if askedTag != "" && img.Tag != askedTag {
utils.Debugf("(%s) does not match %s (id: %s), skipping", img.Tag, askedTag, img.ID)
continue
}
out.Write(sf.FormatStatus("Pulling image %s (%s) from %s", img.ID, img.Tag, remote))
success := false
for _, ep := range repoData.Endpoints {
if !(strings.HasPrefix(ep, "http://") || strings.HasPrefix(ep, "https://")) {
ep = fmt.Sprintf("%s://%s", registry.UrlScheme(), ep)
}
if err := srv.pullImage(r, out, img.ID, ep+"/v1", repoData.Tokens, sf); err != nil {
out.Write(sf.FormatStatus("Error while retrieving image for tag: %s (%s); checking next endpoint", askedTag, err))
continue
}
success = true
break
}
if !success {
return fmt.Errorf("Could not find repository on any of the indexed registries.")
}
}
for tag, id := range tagsList {
if askedTag != "" && tag != askedTag {
continue
}
if err := srv.runtime.repositories.Set(local, tag, id, true); err != nil {
return err
}
}
if err := srv.runtime.repositories.Save(); err != nil {
return err
}
return nil
}
func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, localName, remoteName, askedTag, indexEp string, sf *utils.StreamFormatter, parallel bool) error {
out.Write(sf.FormatStatus("", "Pulling repository %s", localName))
repoData, err := r.GetRepositoryData(indexEp, remoteName)
if err != nil {
return err
}
utils.Debugf("Retrieving the tag list")
tagsList, err := r.GetRemoteTags(repoData.Endpoints, remoteName, repoData.Tokens)
if err != nil {
utils.Debugf("%v", err)
return err
}
for tag, id := range tagsList {
repoData.ImgList[id] = ®istry.ImgData{
ID: id,
Tag: tag,
Checksum: "",
}
}
utils.Debugf("Registering tags")
// If no tag has been specified, pull them all
if askedTag == "" {
for tag, id := range tagsList {
repoData.ImgList[id].Tag = tag
}
} else {
// Otherwise, check that the tag exists and use only that one
id, exists := tagsList[askedTag]
if !exists {
return fmt.Errorf("Tag %s not found in repository %s", askedTag, localName)
}
repoData.ImgList[id].Tag = askedTag
}
errors := make(chan error)
for _, image := range repoData.ImgList {
downloadImage := func(img *registry.ImgData) {
if askedTag != "" && img.Tag != askedTag {
utils.Debugf("(%s) does not match %s (id: %s), skipping", img.Tag, askedTag, img.ID)
if parallel {
errors <- nil
}
return
}
if img.Tag == "" {
utils.Debugf("Image (id: %s) present in this repository but untagged, skipping", img.ID)
if parallel {
errors <- nil
}
return
}
// ensure no two downloads of the same image happen at the same time
if err := srv.poolAdd("pull", "img:"+img.ID); err != nil {
utils.Debugf("Image (id: %s) pull is already running, skipping: %v", img.ID, err)
if parallel {
errors <- nil
}
return
}
defer srv.poolRemove("pull", "img:"+img.ID)
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Pulling", fmt.Sprintf("image (%s) from %s", img.Tag, localName)))
success := false
var lastErr error
for _, ep := range repoData.Endpoints {
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Pulling", fmt.Sprintf("image (%s) from %s, endpoint: %s", img.Tag, localName, ep)))
if err := srv.pullImage(r, out, img.ID, ep, repoData.Tokens, sf); err != nil {
// Its not ideal that only the last error is returned, it would be better to concatenate the errors.
// As the error is also given to the output stream the user will see the error.
lastErr = err
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Error pulling", fmt.Sprintf("image (%s) from %s, endpoint: %s, %s", img.Tag, localName, ep, err)))
continue
}
success = true
break
}
if !success {
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Error pulling", fmt.Sprintf("image (%s) from %s, %s", img.Tag, localName, lastErr)))
if parallel {
errors <- fmt.Errorf("Could not find repository on any of the indexed registries.")
return
}
}
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Download", "complete"))
if parallel {
errors <- nil
}
}
if parallel {
go downloadImage(image)
} else {
downloadImage(image)
}
}
if parallel {
var lastError error
for i := 0; i < len(repoData.ImgList); i++ {
if err := <-errors; err != nil {
lastError = err
}
}
if lastError != nil {
return lastError
}
}
for tag, id := range tagsList {
if askedTag != "" && tag != askedTag {
continue
}
if err := srv.runtime.repositories.Set(localName, tag, id, true); err != nil {
return err
}
}
if err := srv.runtime.repositories.Save(); err != nil {
return err
}
return nil
}
func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, localName, remoteName, askedTag, indexEp string, sf *utils.StreamFormatter, parallel bool) error {
out.Write(sf.FormatStatus("", "Pulling repository %s", localName))
repoData, err := r.GetRepositoryData(indexEp, remoteName)
if err != nil {
return err
}
utils.Debugf("Retrieving the tag list")
tagsList, err := r.GetRemoteTags(repoData.Endpoints, remoteName, repoData.Tokens)
if err != nil {
utils.Debugf("%v", err)
return err
}
for tag, id := range tagsList {
repoData.ImgList[id] = ®istry.ImgData{
ID: id,
Tag: tag,
Checksum: "",
}
}
utils.Debugf("Registering tags")
// If no tag has been specified, pull them all
if askedTag == "" {
for tag, id := range tagsList {
repoData.ImgList[id].Tag = tag
}
} else {
// Otherwise, check that the tag exists and use only that one
id, exists := tagsList[askedTag]
if !exists {
return fmt.Errorf("Tag %s not found in repository %s", askedTag, localName)
}
repoData.ImgList[id].Tag = askedTag
}
errors := make(chan error)
for _, image := range repoData.ImgList {
downloadImage := func(img *registry.ImgData) {
if askedTag != "" && img.Tag != askedTag {
utils.Debugf("(%s) does not match %s (id: %s), skipping", img.Tag, askedTag, img.ID)
errors <- nil
return
}
if img.Tag == "" {
utils.Debugf("Image (id: %s) present in this repository but untagged, skipping", img.ID)
errors <- nil
return
}
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Pulling", fmt.Sprintf("image (%s) from %s", img.Tag, localName)))
success := false
for _, ep := range repoData.Endpoints {
if err := srv.pullImage(r, out, img.ID, ep, repoData.Tokens, sf); err != nil {
out.Write(sf.FormatStatus(utils.TruncateID(img.ID), "Error while retrieving image for tag: %s (%s); checking next endpoint", askedTag, err))
continue
}
success = true
break
}
if !success {
errors <- fmt.Errorf("Could not find repository on any of the indexed registries.")
}
errors <- nil
}
if parallel {
go downloadImage(image)
} else {
downloadImage(image)
}
}
if parallel {
for i := 0; i < len(repoData.ImgList); i++ {
if err := <-errors; err != nil {
return err
}
}
}
for tag, id := range tagsList {
if askedTag != "" && tag != askedTag {
continue
}
if err := srv.runtime.repositories.Set(localName, tag, id, true); err != nil {
return err
}
}
if err := srv.runtime.repositories.Save(); err != nil {
return err
}
return nil
}
func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, localName, remoteName, askedTag, indexEp string, sf *utils.StreamFormatter) error {
out.Write(sf.FormatStatus("Pulling repository %s", localName))
repoData, err := r.GetRepositoryData(indexEp, remoteName)
if err != nil {
return err
}
utils.Debugf("Updating checksums")
// Reload the json file to make sure not to overwrite faster sums
if err := srv.runtime.graph.UpdateChecksums(repoData.ImgList); err != nil {
return err
}
utils.Debugf("Retrieving the tag list")
tagsList, err := r.GetRemoteTags(repoData.Endpoints, remoteName, repoData.Tokens)
if err != nil {
utils.Debugf("%v", err)
return err
}
for tag, id := range tagsList {
repoData.ImgList[id] = ®istry.ImgData{
ID: id,
Tag: tag,
Checksum: "",
}
}
utils.Debugf("Registering tags")
// If no tag has been specified, pull them all
if askedTag == "" {
for tag, id := range tagsList {
repoData.ImgList[id].Tag = tag
}
} else {
// Otherwise, check that the tag exists and use only that one
id, exists := tagsList[askedTag]
if !exists {
return fmt.Errorf("Tag %s not found in repository %s", askedTag, localName)
}
repoData.ImgList[id].Tag = askedTag
}
for _, img := range repoData.ImgList {
if askedTag != "" && img.Tag != askedTag {
utils.Debugf("(%s) does not match %s (id: %s), skipping", img.Tag, askedTag, img.ID)
continue
}
if img.Tag == "" {
utils.Debugf("Image (id: %s) present in this repository but untagged, skipping", img.ID)
continue
}
out.Write(sf.FormatStatus("Pulling image %s (%s) from %s", img.ID, img.Tag, localName))
success := false
for _, ep := range repoData.Endpoints {
if err := srv.pullImage(r, out, img.ID, ep, repoData.Tokens, sf); err != nil {
out.Write(sf.FormatStatus("Error while retrieving image for tag: %s (%s); checking next endpoint", askedTag, err))
continue
}
success = true
break
}
if !success {
return fmt.Errorf("Could not find repository on any of the indexed registries.")
}
}
for tag, id := range tagsList {
if askedTag != "" && tag != askedTag {
continue
}
if err := srv.runtime.repositories.Set(localName, tag, id, true); err != nil {
return err
}
}
if err := srv.runtime.repositories.Save(); err != nil {
return err
}
return nil
}
func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, remote, askedTag string, json bool) error {
fmt.Fprintf(out, utils.FormatStatus("Pulling repository %s from %s", json), remote, auth.IndexServerAddress())
repoData, err := r.GetRepositoryData(remote)
if err != nil {
return err
}
utils.Debugf("Updating checksums")
// Reload the json file to make sure not to overwrite faster sums
if err := srv.runtime.graph.UpdateChecksums(repoData.ImgList); err != nil {
return err
}
utils.Debugf("Retrieving the tag list")
tagsList, err := r.GetRemoteTags(repoData.Endpoints, remote, repoData.Tokens)
if err != nil {
return err
}
utils.Debugf("Registering tags")
// If not specific tag have been asked, take all
if askedTag == "" {
for tag, id := range tagsList {
repoData.ImgList[id].Tag = tag
}
} else {
// Otherwise, check that the tag exists and use only that one
if id, exists := tagsList[askedTag]; !exists {
return fmt.Errorf("Tag %s not found in repositoy %s", askedTag, remote)
} else {
repoData.ImgList[id].Tag = askedTag
}
}
for _, img := range repoData.ImgList {
if askedTag != "" && img.Tag != askedTag {
utils.Debugf("(%s) does not match %s (id: %s), skipping", img.Tag, askedTag, img.Id)
continue
}
fmt.Fprintf(out, utils.FormatStatus("Pulling image %s (%s) from %s", json), img.Id, img.Tag, remote)
success := false
for _, ep := range repoData.Endpoints {
if err := srv.pullImage(r, out, img.Id, "https://"+ep+"/v1", repoData.Tokens, json); err != nil {
fmt.Fprintf(out, utils.FormatStatus("Error while retrieving image for tag: %s (%s); checking next endpoint\n", json), askedTag, err)
continue
}
success = true
break
}
if !success {
return fmt.Errorf("Could not find repository on any of the indexed registries.")
}
}
for tag, id := range tagsList {
if askedTag != "" && tag != askedTag {
continue
}
if err := srv.runtime.repositories.Set(remote, tag, id, true); err != nil {
return err
}
}
if err := srv.runtime.repositories.Save(); err != nil {
return err
}
return nil
}
