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Cleanup v2 session to require endpoint

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Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2015-01-14 16:46:31 -08:00
parent 750b41ced4
commit 9c6f8e1439
3 changed files with 61 additions and 45 deletions
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18
graph/pull.go
View file

@ -379,26 +379,30 @@ type downloadInfo struct {
} }
func (s *TagStore) pullV2Repository(eng *engine.Engine, r *registry.Session, out io.Writer, repoInfo *registry.RepositoryInfo, tag string, sf *utils.StreamFormatter, parallel bool) error { func (s *TagStore) pullV2Repository(eng *engine.Engine, r *registry.Session, out io.Writer, repoInfo *registry.RepositoryInfo, tag string, sf *utils.StreamFormatter, parallel bool) error {
auth, err := r.GetV2Authorization(repoInfo.RemoteName, true) endpoint, err := r.V2RegistryEndpoint(repoInfo.Index)
if err != nil {
return fmt.Errorf("error getting registry endpoint: %s", err)
}
auth, err := r.GetV2Authorization(endpoint, repoInfo.RemoteName, true)
if err != nil { if err != nil {
return fmt.Errorf("error getting authorization: %s", err) return fmt.Errorf("error getting authorization: %s", err)
} }
var layersDownloaded bool var layersDownloaded bool
if tag == "" { if tag == "" {
log.Debugf("Pulling tag list from V2 registry for %s", repoInfo.CanonicalName) log.Debugf("Pulling tag list from V2 registry for %s", repoInfo.CanonicalName)
tags, err := r.GetV2RemoteTags(repoInfo.RemoteName, auth) tags, err := r.GetV2RemoteTags(endpoint, repoInfo.RemoteName, auth)
if err != nil { if err != nil {
return err return err
} }
for _, t := range tags { for _, t := range tags {
if downloaded, err := s.pullV2Tag(eng, r, out, repoInfo, t, sf, parallel, auth); err != nil { if downloaded, err := s.pullV2Tag(eng, r, out, endpoint, repoInfo, t, sf, parallel, auth); err != nil {
return err return err
} else if downloaded { } else if downloaded {
layersDownloaded = true layersDownloaded = true
} }
} }
} else { } else {
if downloaded, err := s.pullV2Tag(eng, r, out, repoInfo, tag, sf, parallel, auth); err != nil { if downloaded, err := s.pullV2Tag(eng, r, out, endpoint, repoInfo, tag, sf, parallel, auth); err != nil {
return err return err
} else if downloaded { } else if downloaded {
layersDownloaded = true layersDownloaded = true
@ -413,9 +417,9 @@ func (s *TagStore) pullV2Repository(eng *engine.Engine, r *registry.Session, out
return nil return nil
} }
func (s *TagStore) pullV2Tag(eng *engine.Engine, r *registry.Session, out io.Writer, repoInfo *registry.RepositoryInfo, tag string, sf *utils.StreamFormatter, parallel bool, auth *registry.RequestAuthorization) (bool, error) { func (s *TagStore) pullV2Tag(eng *engine.Engine, r *registry.Session, out io.Writer, endpoint *registry.Endpoint, repoInfo *registry.RepositoryInfo, tag string, sf *utils.StreamFormatter, parallel bool, auth *registry.RequestAuthorization) (bool, error) {
log.Debugf("Pulling tag from V2 registry: %q", tag) log.Debugf("Pulling tag from V2 registry: %q", tag)
manifestBytes, err := r.GetV2ImageManifest(repoInfo.RemoteName, tag, auth) manifestBytes, err := r.GetV2ImageManifest(endpoint, repoInfo.RemoteName, tag, auth)
if err != nil { if err != nil {
return false, err return false, err
} }
@ -479,7 +483,7 @@ func (s *TagStore) pullV2Tag(eng *engine.Engine, r *registry.Session, out io.Wri
return err return err
} }
r, l, err := r.GetV2ImageBlobReader(repoInfo.RemoteName, sumType, checksum, auth) r, l, err := r.GetV2ImageBlobReader(endpoint, repoInfo.RemoteName, sumType, checksum, auth)
if err != nil { if err != nil {
return err return err
} }

12
graph/push.go
View file

@ -260,7 +260,11 @@ func (s *TagStore) pushV2Repository(r *registry.Session, eng *engine.Engine, out
} }
} }
auth, err := r.GetV2Authorization(repoInfo.RemoteName, false) endpoint, err := r.V2RegistryEndpoint(repoInfo.Index)
if err != nil {
return fmt.Errorf("error getting registry endpoint: %s", err)
}
auth, err := r.GetV2Authorization(endpoint, repoInfo.RemoteName, false)
if err != nil { if err != nil {
return fmt.Errorf("error getting authorization: %s", err) return fmt.Errorf("error getting authorization: %s", err)
} }
@ -330,13 +334,13 @@ func (s *TagStore) pushV2Repository(r *registry.Session, eng *engine.Engine, out
} }
// Call mount blob // Call mount blob
exists, err := r.PostV2ImageMountBlob(repoInfo.RemoteName, sumParts[0], manifestSum, auth) exists, err := r.HeadV2ImageBlob(endpoint, repoInfo.RemoteName, sumParts[0], manifestSum, auth)
if err != nil { if err != nil {
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Image push failed", nil)) out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Image push failed", nil))
return err return err
} }
if !exists { if !exists {
err = r.PutV2ImageBlob(repoInfo.RemoteName, sumParts[0], manifestSum, utils.ProgressReader(arch, int(img.Size), out, sf, false, utils.TruncateID(img.ID), "Pushing"), auth) err = r.PutV2ImageBlob(endpoint, repoInfo.RemoteName, sumParts[0], manifestSum, utils.ProgressReader(arch, int(img.Size), out, sf, false, utils.TruncateID(img.ID), "Pushing"), auth)
if err != nil { if err != nil {
out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Image push failed", nil)) out.Write(sf.FormatProgress(utils.TruncateID(img.ID), "Image push failed", nil))
return err return err
@ -348,7 +352,7 @@ func (s *TagStore) pushV2Repository(r *registry.Session, eng *engine.Engine, out
} }
// push the manifest // push the manifest
return r.PutV2ImageManifest(repoInfo.RemoteName, tag, bytes.NewReader([]byte(manifestBytes)), auth) return r.PutV2ImageManifest(endpoint, repoInfo.RemoteName, tag, bytes.NewReader([]byte(manifestBytes)), auth)
} }
// FIXME: Allow to interrupt current push when new push of same image is done. // FIXME: Allow to interrupt current push when new push of same image is done.

76
registry/session_v2.go
View file

@ -19,33 +19,41 @@ func getV2Builder(e *Endpoint) *v2.URLBuilder {
return e.URLBuilder return e.URLBuilder
} }
func (r *Session) V2RegistryEndpoint(index *IndexInfo) (ep *Endpoint, err error) {
// TODO check if should use Mirror
if index.Official {
ep, err = newEndpoint(REGISTRYSERVER, true)
if err != nil {
return
}
err = validateEndpoint(ep)
if err != nil {
return
}
} else if r.indexEndpoint.String() == index.GetAuthConfigKey() {
ep = r.indexEndpoint
} else {
ep, err = NewEndpoint(index)
if err != nil {
return
}
}
ep.URLBuilder = v2.NewURLBuilder(ep.URL)
return
}
// GetV2Authorization gets the authorization needed to the given image // GetV2Authorization gets the authorization needed to the given image
// If readonly access is requested, then only the authorization may // If readonly access is requested, then only the authorization may
// only be used for Get operations. // only be used for Get operations.
func (r *Session) GetV2Authorization(imageName string, readOnly bool) (auth *RequestAuthorization, err error) { func (r *Session) GetV2Authorization(ep *Endpoint, imageName string, readOnly bool) (auth *RequestAuthorization, err error) {
scopes := []string{"pull"} scopes := []string{"pull"}
if !readOnly { if !readOnly {
scopes = append(scopes, "push") scopes = append(scopes, "push")
} }
var registry *Endpoint
if r.indexEndpoint.String() == IndexServerAddress() {
registry, err = newEndpoint(REGISTRYSERVER, true)
if err != nil {
return
}
err = validateEndpoint(registry)
if err != nil {
return
}
} else {
registry = r.indexEndpoint
}
registry.URLBuilder = v2.NewURLBuilder(registry.URL)
r.indexEndpoint = registry
log.Debugf("Getting authorization for %s %s", imageName, scopes) log.Debugf("Getting authorization for %s %s", imageName, scopes)
return NewRequestAuthorization(r.GetAuthConfig(true), registry, "repository", imageName, scopes), nil return NewRequestAuthorization(r.GetAuthConfig(true), ep, "repository", imageName, scopes), nil
} }
// //
@ -55,8 +63,8 @@ func (r *Session) GetV2Authorization(imageName string, readOnly bool) (auth *Req
// 1.c) if anything else, err // 1.c) if anything else, err
// 2) PUT the created/signed manifest // 2) PUT the created/signed manifest
// //
func (r *Session) GetV2ImageManifest(imageName, tagName string, auth *RequestAuthorization) ([]byte, error) { func (r *Session) GetV2ImageManifest(ep *Endpoint, imageName, tagName string, auth *RequestAuthorization) ([]byte, error) {
routeURL, err := getV2Builder(r.indexEndpoint).BuildManifestURL(imageName, tagName) routeURL, err := getV2Builder(ep).BuildManifestURL(imageName, tagName)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -92,11 +100,11 @@ func (r *Session) GetV2ImageManifest(imageName, tagName string, auth *RequestAut
return buf, nil return buf, nil
} }
// - Succeeded to mount for this image scope // - Succeeded to head image blob (already exists)
// - Failed with no error (So continue to Push the Blob) // - Failed with no error (continue to Push the Blob)
// - Failed with error // - Failed with error
func (r *Session) PostV2ImageMountBlob(imageName, sumType, sum string, auth *RequestAuthorization) (bool, error) { func (r *Session) HeadV2ImageBlob(ep *Endpoint, imageName, sumType, sum string, auth *RequestAuthorization) (bool, error) {
routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobURL(imageName, sumType+":"+sum) routeURL, err := getV2Builder(ep).BuildBlobURL(imageName, sumType+":"+sum)
if err != nil { if err != nil {
return false, err return false, err
} }
@ -127,8 +135,8 @@ func (r *Session) PostV2ImageMountBlob(imageName, sumType, sum string, auth *Req
return false, fmt.Errorf("Failed to mount %q - %s:%s : %d", imageName, sumType, sum, res.StatusCode) return false, fmt.Errorf("Failed to mount %q - %s:%s : %d", imageName, sumType, sum, res.StatusCode)
} }
func (r *Session) GetV2ImageBlob(imageName, sumType, sum string, blobWrtr io.Writer, auth *RequestAuthorization) error { func (r *Session) GetV2ImageBlob(ep *Endpoint, imageName, sumType, sum string, blobWrtr io.Writer, auth *RequestAuthorization) error {
routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobURL(imageName, sumType+":"+sum) routeURL, err := getV2Builder(ep).BuildBlobURL(imageName, sumType+":"+sum)
if err != nil { if err != nil {
return err return err
} }
@ -158,8 +166,8 @@ func (r *Session) GetV2ImageBlob(imageName, sumType, sum string, blobWrtr io.Wri
return err return err
} }
func (r *Session) GetV2ImageBlobReader(imageName, sumType, sum string, auth *RequestAuthorization) (io.ReadCloser, int64, error) { func (r *Session) GetV2ImageBlobReader(ep *Endpoint, imageName, sumType, sum string, auth *RequestAuthorization) (io.ReadCloser, int64, error) {
routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobURL(imageName, sumType+":"+sum) routeURL, err := getV2Builder(ep).BuildBlobURL(imageName, sumType+":"+sum)
if err != nil { if err != nil {
return nil, 0, err return nil, 0, err
} }
@ -195,8 +203,8 @@ func (r *Session) GetV2ImageBlobReader(imageName, sumType, sum string, auth *Req
// Push the image to the server for storage. // Push the image to the server for storage.
// 'layer' is an uncompressed reader of the blob to be pushed. // 'layer' is an uncompressed reader of the blob to be pushed.
// The server will generate it's own checksum calculation. // The server will generate it's own checksum calculation.
func (r *Session) PutV2ImageBlob(imageName, sumType, sumStr string, blobRdr io.Reader, auth *RequestAuthorization) error { func (r *Session) PutV2ImageBlob(ep *Endpoint, imageName, sumType, sumStr string, blobRdr io.Reader, auth *RequestAuthorization) error {
routeURL, err := getV2Builder(r.indexEndpoint).BuildBlobUploadURL(imageName) routeURL, err := getV2Builder(ep).BuildBlobUploadURL(imageName)
if err != nil { if err != nil {
return err return err
} }
@ -245,8 +253,8 @@ func (r *Session) PutV2ImageBlob(imageName, sumType, sumStr string, blobRdr io.R
} }
// Finally Push the (signed) manifest of the blobs we've just pushed // Finally Push the (signed) manifest of the blobs we've just pushed
func (r *Session) PutV2ImageManifest(imageName, tagName string, manifestRdr io.Reader, auth *RequestAuthorization) error { func (r *Session) PutV2ImageManifest(ep *Endpoint, imageName, tagName string, manifestRdr io.Reader, auth *RequestAuthorization) error {
routeURL, err := getV2Builder(r.indexEndpoint).BuildManifestURL(imageName, tagName) routeURL, err := getV2Builder(ep).BuildManifestURL(imageName, tagName)
if err != nil { if err != nil {
return err return err
} }
@ -283,8 +291,8 @@ type remoteTags struct {
} }
// Given a repository name, returns a json array of string tags // Given a repository name, returns a json array of string tags
func (r *Session) GetV2RemoteTags(imageName string, auth *RequestAuthorization) ([]string, error) { func (r *Session) GetV2RemoteTags(ep *Endpoint, imageName string, auth *RequestAuthorization) ([]string, error) {
routeURL, err := getV2Builder(r.indexEndpoint).BuildTagsURL(imageName) routeURL, err := getV2Builder(ep).BuildTagsURL(imageName)
if err != nil { if err != nil {
return nil, err return nil, err
} }