code: @GetMapping(value = "/v1/dbs")
      @ResponseBody
      public List<String> dbs() {
          logger.info("Gettting list of DBs");
          final List<String> list = new ArrayList<>();
          for (final RootDocument mongo : repositoryManager
                  .getRootDocumentRepository().findAll()) {
              list.add(mongo.getDbName());
          }
          logger.info("length: " + list.size());
          return list;
      }
docs: Controller to get the currently loaded data sets.
  @return a list of the names of the data sets