code: def __kibiter_version(self):
          
          version = None
  
          es_url = self.conf['es_enrichment']['url']
          config_url = '.kibana/config/_search'
          url = urijoin(es_url, config_url)
          version = None
          try:
              res = self.grimoire_con.get(url)
              res.raise_for_status()
              version = res.json()['hits']['hits'][0]['_id']
              logger.debug("Kibiter version: %s", version)
          except requests.exceptions.HTTPError:
              logger.warning("Can not find Kibiter version")
  
          return version
docs: Get the kibiter vesion.
  
          :param major: major Elasticsearch version