def does_firewall_exist(self, parameters):
    gce_service, credentials = self.open_connection(parameters)
    try:
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      request = gce_service.firewalls().get(
        project=parameters[self.PARAM_PROJECT],
        firewall=parameters[self.PARAM_GROUP])
      response = request.execute(http=auth_http)
      AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
      return True
    except errors.HttpError:
      return False
Asserts that val is numeric and is greater than or equal to other.
dataset/ETHPy150Open AppScale/appscale-tools/lib/agents/gce_agent.py/GCEAgent.does_firewall_exist--crossover with--dataset/ETHPy150Open ActivisionGameScience/assertpy/assertpy/assertpy.py/AssertionBuilder.is_greater_than_or_equal_to