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Tentative support for independent registries

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This commit is contained in:
shin- 2013-05-24 10:37:34 -07:00
parent a11fc9f067
commit de0a48bd6f
2 changed files with 67 additions and 17 deletions
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5
registry/registry.go
View file

@ -56,20 +56,19 @@ func (r *Registry) GetRemoteHistory(imgId, registry string, token []string) ([]s
}
// Check if an image exists in the Registry
func (r *Registry) LookupRemoteImage(imgId, registry string, authConfig *auth.AuthConfig) bool {
func (r *Registry) LookupRemoteImage(imgId, registry string, token []string) bool {
rt := &http.Transport{Proxy: http.ProxyFromEnvironment}
req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/json", nil)
if err != nil {
return false
}
req.SetBasicAuth(authConfig.Username, authConfig.Password)
res, err := rt.RoundTrip(req)
if err != nil {
return false
}
res.Body.Close()
return res.StatusCode == 307
return res.StatusCode == 200
}
func (r *Registry) getImagesInRepository(repository string, authConfig *auth.AuthConfig) ([]map[string]string, error) {

79
server.go
View file

@ -351,17 +351,32 @@ func (srv *Server) pullImage(r *registry.Registry, out io.Writer, imgId, endpoin
return nil
}
func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, local, remote, askedTag string, sf *utils.StreamFormatter) error {
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()))
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
var repoData *registry.RepositoryData
var err error
if registryEp == "" {
repoData, err = srv.registry.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 = &registry.RepositoryData{
Tokens: []string{},
ImgList: make(map[string]*registry.ImgData),
Endpoints: []string{registryEp},
}
}
utils.Debugf("Retrieving the tag list")
@ -369,8 +384,19 @@ func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, local, re
if err != nil {
return err
}
if registryEp != "" {
for tag, id := range tagsList {
repoData.ImgList[id] = &registry.ImgData{
Id: id,
Tag: tag,
Checksum: "",
}
}
}
utils.Debugf("Registering tags")
// If not specific tag have been asked, take all
// If no tag has been specified, pull them all
if askedTag == "" {
for tag, id := range tagsList {
repoData.ImgList[id].Tag = tag
@ -547,7 +573,7 @@ func (srv *Server) getImageList(localRepo map[string]string) ([]*registry.ImgDat
return imgList, nil
}
func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name string, localRepo map[string]string, sf *utils.StreamFormatter) error {
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)
@ -555,16 +581,35 @@ func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name stri
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, "/")))
}
repoData, err := r.PushImageJSONIndex(srvName, imgList, false, nil)
if err != nil {
return err
var repoData *registry.RepositoryData
if registryEp == "" {
repoData, err = srv.registry.PushImageJsonIndex(name, imgList, false)
if err != nil {
return err
}
} else {
repoData = &registry.RepositoryData{
ImgList: make(map[string]*registry.ImgData),
Tokens: []string{},
Endpoints: []string{registryEp},
}
tagsList, err := srv.registry.GetRemoteTags(repoData.Endpoints, name, repoData.Tokens)
if err != nil {
return err
}
for tag, id := range tagsList {
repoData.ImgList[id] = &registry.ImgData{
Id: id,
Tag: tag,
Checksum: "",
}
}
}
for _, ep := range repoData.Endpoints {
@ -574,6 +619,9 @@ func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name stri
if _, exists := repoData.ImgList[elem.ID]; exists {
out.Write(sf.FormatStatus("Image %s already on registry, skipping", name))
continue
} else if registryEp != "" && srv.registry.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?
@ -586,9 +634,12 @@ func (srv *Server) pushRepository(r *registry.Registry, out io.Writer, name stri
}
}
if _, err := r.PushImageJSONIndex(srvName, imgList, true, repoData.Endpoints); err != nil {
return err
if registryEp == "" {
if _, err := srv.registry.PushImageJsonIndex(name, imgList, true); err != nil {
return err
}
}
return nil
}
@ -669,7 +720,7 @@ func (srv *Server) ImagePush(name, endpoint string, out io.Writer, sf *utils.Str
out.Write(sf.FormatStatus("The push refers to a repository [%s] (len: %d)", name, len(srv.runtime.repositories.Repositories[name])))
// If it fails, try to get the repository
if localRepo, exists := srv.runtime.repositories.Repositories[name]; exists {
if err := srv.pushRepository(r, out, name, localRepo, sf); err != nil {
if err := srv.pushRepository(r, out, name, registry, localRepo, sf); err != nil {
return err
}
return nil