Exemplo n.º 1
0
// 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()
}
Exemplo n.º 2
0
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
}