text: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import os
  
  from pifpaf import drivers
  
  
  class ElasticsearchDriver(drivers.Driver):
      DEFAULT_PORT = 9200
  
      def __init__(self, port=DEFAULT_PORT, **kwargs):
          """Create a new ElasticSearch server."""
          super(ElasticsearchDriver, self).__init__(**kwargs)
          self.port = port
  
      @classmethod
      def get_options(cls):
          return [
              {"param_decls": ["--port"],
               "type": int,
               "default": cls.DEFAULT_PORT,
               "help": "port to use for ElasticSearch"},
          ]
  
      def _setUp(self):
          super(ElasticsearchDriver, self)._setUp()
  
          c, _ = self._exec(
              [
                  "elasticsearch",
                  "-Ehttp.port=" + str(self.port),
                  "-Epath.logs=%s" % os.path.join(self.tempdir, "log"),
                  "-Epath.data=" + self.tempdir
              ],
              path=["/usr/share/elasticsearch/bin"],
              wait_for_line=" started")
  
          self.putenv("ELASTICSEARCH_PORT", str(self.port))
          self.putenv("URL", "es://localhost:%d" % self.port)
  