// BatchUpdate updates a list of paths to the instance. Only update/create
// events should be included.
func BatchUpdate(container *schemas.Container, paths map[string]string, errorChan chan error) error {
body, gzipWriter, tarWriter := tar.NewTarGZ()
for full, rel := range paths {
info, err := os.Lstat(full)
if err != nil {
if os.IsNotExist(err) {
errorChan <- &BatchError{Path: full, Err: err}
continue
}
return err
}
err = tar.WritePath(tarWriter, info, full, rel)
if err != nil {
if os.IsNotExist(err) {
errorChan <- &BatchError{Path: full, Err: err}
continue
}
return err
}
}
tarWriter.Close()
gzipWriter.Close()
addr := net.JoinHostPort(container.Address, config.DelanceyProdPort)
req, err := http.NewRequest("PATCH", "http://"+addr+"/batch", body)
if err != nil {
return err
}
res, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
defer res.Body.Close()
resData := new(requests.Res)
decoder := json.NewDecoder(res.Body)
err = decoder.Decode(resData)
if err != nil {
return err
}
if resData.Status != requests.StatusUpdated {
// If the error matches return var.
if resData.Error() == ErrNotInUse.Error() {
return ErrNotInUse
}
return resData
}
return nil
}
// GET /, Retrieve the containers code.
func indexHandler(rw http.ResponseWriter, req *http.Request) {
var (
contents io.Reader
err error
)
empty, gzipWriter, tarWriter := tar.NewTarGZ()
tarWriter.Close()
gzipWriter.Close()
// Require a container to exist.
if currentContainer == nil {
renderer.JSON(rw, http.StatusBadRequest, map[string]string{
"status": requests.StatusFailed,
"error": delancey.ErrNotInUse.Error(),
})
return
}
// Tar the contents of the container.
contents, err = tar.Tar(currentContainer.RemotePath, []string{})
if err != nil && !os.IsNotExist(err) {
renderer.JSON(rw, http.StatusInternalServerError, map[string]string{
"status": requests.StatusFailed,
"error": err.Error(),
})
return
}
// If the path didn't exist, just provide an empty targz stream.
if err != nil {
contents = empty
}
rw.WriteHeader(http.StatusOK)
io.Copy(rw, contents)
}