code: def backup(self, container, url):
          
  
          args = {
              'container': container,
              'url': url,
          }
  
          return JSONResponse(self._client.raw('corex.backup', args))
docs: Backup a container to the given restic url
          all restic urls are supported
  
          :param container:
          :param url: Url to restic repo
                  examples
                  (file:///path/to/restic/?password=<password>)
  
          :return: Json response to the backup job (do .get() to get the snapshot ID