// GetManifests handles GET /api/repositories/manifests
func (ra *RepositoryAPI) GetManifests() {
repoName := ra.GetString("repo_name")
tag := ra.GetString("tag")
if len(repoName) == 0 || len(tag) == 0 {
ra.CustomAbort(http.StatusBadRequest, "repo_name or tag is nil")
}
version := ra.GetString("version")
if len(version) == 0 {
version = "v2"
}
if version != "v1" && version != "v2" {
ra.CustomAbort(http.StatusBadRequest, "version should be v1 or v2")
}
projectName, _ := utils.ParseRepository(repoName)
project, err := dao.GetProjectByName(projectName)
if err != nil {
log.Errorf("failed to get project %s: %v", projectName, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
if project == nil {
ra.CustomAbort(http.StatusNotFound, fmt.Sprintf("project %s not found", projectName))
}
if project.Public == 0 {
userID := ra.ValidateUser()
if !checkProjectPermission(userID, project.ProjectID) {
ra.CustomAbort(http.StatusForbidden, "")
}
}
rc, err := ra.initRepositoryClient(repoName)
if err != nil {
log.Errorf("error occurred while initializing repository client for %s: %v", repoName, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
result := struct {
Manifest interface{} `json:"manifest"`
Config interface{} `json:"config,omitempty" `
}{}
mediaTypes := []string{}
switch version {
case "v1":
mediaTypes = append(mediaTypes, schema1.MediaTypeManifest)
case "v2":
mediaTypes = append(mediaTypes, schema2.MediaTypeManifest)
}
_, mediaType, payload, err := rc.PullManifest(tag, mediaTypes)
if err != nil {
if regErr, ok := err.(*registry_error.Error); ok {
ra.CustomAbort(regErr.StatusCode, regErr.Detail)
}
log.Errorf("error occurred while getting manifest of %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "internal error")
}
manifest, _, err := registry.UnMarshal(mediaType, payload)
if err != nil {
log.Errorf("an error occurred while parsing manifest of %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
result.Manifest = manifest
deserializedmanifest, ok := manifest.(*schema2.DeserializedManifest)
if ok {
_, data, err := rc.PullBlob(deserializedmanifest.Target().Digest.String())
if err != nil {
log.Errorf("failed to get config of manifest %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
b, err := ioutil.ReadAll(data)
if err != nil {
log.Errorf("failed to read config of manifest %s:%s: %v", repoName, tag, err)
ra.CustomAbort(http.StatusInternalServerError, "")
}
result.Config = string(b)
}
ra.Data["json"] = result
ra.ServeJSON()
}
func (m *ManifestPuller) enter() (string, error) {
if len(m.tags) == 0 {
m.logger.Infof("no tag needs to be replicated, next state is \"finished\"")
return models.JobFinished, nil
}
name := m.repository
tag := m.tags[0]
acceptMediaTypes := []string{schema1.MediaTypeManifest, schema2.MediaTypeManifest}
digest, mediaType, payload, err := m.srcClient.PullManifest(tag, acceptMediaTypes)
if err != nil {
m.logger.Errorf("an error occurred while pulling manifest of %s:%s from %s: %v", name, tag, m.srcURL, err)
return "", err
}
m.digest = digest
m.logger.Infof("manifest of %s:%s pulled successfully from %s: %s", name, tag, m.srcURL, digest)
if strings.Contains(mediaType, "application/json") {
mediaType = schema1.MediaTypeManifest
}
manifest, _, err := registry.UnMarshal(mediaType, payload)
if err != nil {
m.logger.Errorf("an error occurred while parsing manifest of %s:%s from %s: %v", name, tag, m.srcURL, err)
return "", err
}
m.manifest = manifest
// all blobs(layers and config)
var blobs []string
for _, discriptor := range manifest.References() {
blobs = append(blobs, discriptor.Digest.String())
}
// config is also need to be transferred if the schema of manifest is v2
manifest2, ok := manifest.(*schema2.DeserializedManifest)
if ok {
blobs = append(blobs, manifest2.Target().Digest.String())
}
m.logger.Infof("all blobs of %s:%s from %s: %v", name, tag, m.srcURL, blobs)
for _, blob := range blobs {
exist, ok := m.blobsExistence[blob]
if !ok {
exist, err = m.dstClient.BlobExist(blob)
if err != nil {
m.logger.Errorf("an error occurred while checking existence of blob %s of %s:%s on %s: %v", blob, name, tag, m.dstURL, err)
return "", err
}
m.blobsExistence[blob] = exist
}
if !exist {
m.blobs = append(m.blobs, blob)
} else {
m.logger.Infof("blob %s of %s:%s already exists in %s", blob, name, tag, m.dstURL)
}
}
m.logger.Infof("blobs of %s:%s need to be transferred to %s: %v", name, tag, m.dstURL, m.blobs)
return StateTransferBlob, nil
}