//GetImageJSONV1Handler is getting image json data function.
//When docker client push an image, dockyard return http status code '400' or '404' if haven't it. Then the docker client will push the json data and layer file.
//If dockyard has the image and return 200, the docker client will ignore it and push another iamge.
func GetImageJSONV1Handler(ctx *macaron.Context) (int, []byte) {
//TODO: If standalone == true, Dockyard will check HEADER Authorization; if standalone == false, Dockyard will check HEADER TOEKN.
imageID := ctx.Params(":image")
image := new(models.DockerImageV1)
if i, err := image.Get(imageID); err != nil && err == gorm.ErrRecordNotFound {
log.WithFields(log.Fields{
"image": i.ImageID,
}).Info("Image Not Found.")
result, _ := json.Marshal(map[string]string{})
return http.StatusNotFound, result
} else if err != nil && err != gorm.ErrRecordNotFound {
log.Errorf("[%s] get image error: %s", ctx.Req.RequestURI, err.Error())
result, _ := json.Marshal(map[string]string{"Error": "Get Image Error"})
return http.StatusBadRequest, result
} else {
ctx.Resp.Header().Set("X-Docker-Checksum-Payload", i.Checksum)
ctx.Resp.Header().Set("X-Docker-Size", fmt.Sprint(i.Size))
ctx.Resp.Header().Set("Content-Length", fmt.Sprint(len(i.JSON)))
return http.StatusOK, []byte(i.JSON)
}
}
//GetImageAncestryV1Handler
func GetImageAncestryV1Handler(ctx *macaron.Context) (int, []byte) {
//TODO: If standalone == true, Dockyard will check HEADER Authorization; if standalone == false, Dockyard will check HEADER TOEKN.
imageID := ctx.Params(":image")
image := new(models.DockerImageV1)
if i, err := image.Get(imageID); err != nil {
log.Errorf("[%s] get image ancestry error: %s", ctx.Req.RequestURI, err.Error())
result, _ := json.Marshal(map[string]string{"Error": "Get Image Ancestry Error"})
return http.StatusBadRequest, result
} else {
ctx.Resp.Header().Set("Content-Length", fmt.Sprint(len(i.Ancestry)))
return http.StatusOK, []byte(i.Ancestry)
}
}
//GetImageLayerV1Handler
func GetImageLayerV1Handler(ctx *macaron.Context) {
//TODO: If standalone == true, Dockyard will check HEADER Authorization; if standalone == false, Dockyard will check HEADER TOEKN.
imageID := ctx.Params(":image")
image := new(models.DockerImageV1)
if i, err := image.Get(imageID); err != nil {
log.Errorf("[%s] get image ancestry error: %s", ctx.Req.RequestURI, err.Error())
result, _ := json.Marshal(map[string]string{"Error": "Get Image Layer Error"})
ctx.Resp.WriteHeader(http.StatusBadRequest)
ctx.Resp.Write(result)
return
} else {
if file, err := os.Open(i.Path); err != nil {
log.Errorf("[%s] get image layer file status: %s", ctx.Req.RequestURI, err.Error())
result, _ := json.Marshal(map[string]string{"Error": "Get Image Layer File Status Error"})
ctx.Resp.WriteHeader(http.StatusBadRequest)
ctx.Resp.Write(result)
return
} else {
size := strconv.FormatInt(i.Size, 10)
ctx.Resp.Header().Set("Content-Description", "File Transfer")
ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
ctx.Resp.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", i.ImageID))
ctx.Resp.Header().Set("Content-Length", size)
ctx.Resp.Header().Set("Expires", "0")
ctx.Resp.Header().Set("Cache-Control", "must-revalidate")
ctx.Resp.Header().Set("Content-Transfer-Encoding", "binary")
ctx.Resp.Header().Set("Pragma", "public")
file.Seek(0, 0)
defer file.Close()
io.Copy(ctx.Resp, file)
ctx.Resp.WriteHeader(http.StatusOK)
return
}
}
}
