//PatchBlobsV2Handler is //Upload a chunk of data for the specified upload. //Docker 1.9.x above version saves layer in PATCH methord //Docker 1.9.x below version saves layer in PUT methord func PatchBlobsV2Handler(ctx *macaron.Context) (int, []byte) { repository := ctx.Params(":repository") namespace := ctx.Params(":namespace") desc := ctx.Params(":uuid") uuid := strings.Split(desc, "?")[0] if upload, err := module.CheckDockerVersion19(ctx.Req.Header.Get("User-Agent")); err != nil { log.Errorf("Decode docker version error: %s", err.Error()) result, _ := module.EncodingError(module.BLOB_UPLOAD_UNKNOWN, map[string]string{"namespace": namespace, "repository": repository}) return http.StatusBadRequest, result } else if upload == true { //It's run above docker 1.9.0 basePath := setting.DockerV2Storage uuidPath := fmt.Sprintf("%s/uuid/%s", basePath, uuid) uuidFile := fmt.Sprintf("%s/uuid/%s/%s", basePath, uuid, uuid) if !utils.IsDirExist(uuidPath) { os.MkdirAll(uuidPath, os.ModePerm) } if _, err := os.Stat(uuidFile); err == nil { os.Remove(uuidFile) } if file, err := os.Create(uuidFile); err != nil { log.Errorf("[%s] Create UUID file error: %s", ctx.Req.RequestURI, err.Error()) result, _ := module.EncodingError(module.BLOB_UPLOAD_UNKNOWN, map[string]string{"namespace": namespace, "repository": repository}) return http.StatusBadRequest, result } else { io.Copy(file, ctx.Req.Request.Body) size, _ := utils.GetFileSize(uuidFile) ctx.Resp.Header().Set("Range", fmt.Sprintf("0-%v", size-1)) } } state := utils.MD5(fmt.Sprintf("%s/%v", fmt.Sprintf("%s/%s", namespace, repository), time.Now().UnixNano()/int64(time.Millisecond))) random := fmt.Sprintf("https://%s/v2/%s/%s/blobs/uploads/%s?_state=%s", setting.Domains, namespace, repository, uuid, state) ctx.Resp.Header().Set("Content-Type", "text/plain; charset=utf-8") ctx.Resp.Header().Set("Docker-Upload-Uuid", uuid) ctx.Resp.Header().Set("Location", random) result, _ := json.Marshal(map[string]string{}) return http.StatusOK, result }
//PutBlobsV2Handler is //Complete the upload specified by uuid, optionally appending the body as the final chunk. func PutBlobsV2Handler(ctx *macaron.Context) (int, []byte) { var size int64 repository := ctx.Params(":repository") namespace := ctx.Params(":namespace") desc := ctx.Params(":uuid") uuid := strings.Split(desc, "?")[0] digest := ctx.Query("digest") tarsum := strings.Split(digest, ":")[1] basePath := setting.DockerV2Storage imagePath := fmt.Sprintf("%s/image/%s", basePath, tarsum) imageFile := fmt.Sprintf("%s/image/%s/%s", basePath, tarsum, tarsum) //Save from uuid path save too image path if !utils.IsDirExist(imagePath) { os.MkdirAll(imagePath, os.ModePerm) } if _, err := os.Stat(imageFile); err == nil { os.Remove(imageFile) } if upload, err := module.CheckDockerVersion19(ctx.Req.Header.Get("User-Agent")); err != nil { log.Errorf("Decode docker version error: %s", err.Error()) result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository}) return http.StatusBadRequest, result } else if upload == true { //Docker 1.9.x above version saves layer in PATCH method, in PUT method move from uuid to image:sha256 uuidPath := fmt.Sprintf("%s/uuid/%s", basePath, uuid) uuidFile := fmt.Sprintf("%s/uuid/%s/%s", basePath, uuid, uuid) if _, err := os.Stat(uuidFile); err == nil { if err := os.Rename(uuidFile, imageFile); err != nil { log.Errorf("Move the temp file to image folder %s error: %s", imageFile, err.Error()) result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository}) return http.StatusBadRequest, result } size, _ = utils.GetFileSize(imagePath) os.RemoveAll(uuidFile) os.RemoveAll(uuidPath) } } else if upload == false { //Docker 1.9.x below version saves layer in PUT methord, save data to file directly. if file, err := os.Create(imageFile); err != nil { log.Errorf("Save the file %s error: %s", imageFile, err.Error()) result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository}) return http.StatusBadRequest, result } else { io.Copy(file, ctx.Req.Request.Body) size, _ = utils.GetFileSize(imagePath) } } i := new(models.DockerImageV2) if err := i.Put(tarsum, imageFile, size); err != nil { log.Errorf("Save the iamge data %s error: %s", tarsum, err.Error()) result, _ := module.EncodingError(module.BLOB_UPLOAD_INVALID, map[string]string{"namespace": namespace, "repository": repository}) return http.StatusBadRequest, result } state := utils.MD5(fmt.Sprintf("%s/%v", fmt.Sprintf("%s/%s", namespace, repository), time.Now().UnixNano()/int64(time.Millisecond))) random := fmt.Sprintf("https://%s/v2/%s/%s/blobs/uploads/%s?_state=%s", setting.Domains, namespace, repository, uuid, state) ctx.Resp.Header().Set("Content-Type", "text/plain; charset=utf-8") ctx.Resp.Header().Set("Docker-Content-Digest", digest) ctx.Resp.Header().Set("Location", random) result, _ := json.Marshal(map[string]string{}) return http.StatusOK, result }