def _get_field_stats_dates()

in curator/indexlist.py [0:0]

• 33 lines of code
• 5 McCabe index (conditional complexity)

    def _get_field_stats_dates(self, field='@timestamp'):
        """
        Add indices to ``index_info`` based on the values the queries return, as
        determined by the min and max aggregated values of ``field``

        :param field: The field with the date value.  The field must be mapped in
            elasticsearch as a date datatype. Default: ``@timestamp``
        """
        self.loggit.debug('Cannot query closed indices. Omitting any closed indices.')
        self.filter_closed()
        self.loggit.debug(
            'Cannot use field_stats with empty indices. Omitting any empty indices.'
        )
        self.filter_empty()
        self.loggit.debug(
            'Getting index date by querying indices for min & max value of %s field',
            field,
        )
        self.empty_list_check()
        index_lists = chunk_index_list(self.indices)
        for lst in index_lists:
            for index in lst:
                aggs = {
                    'min': {'min': {'field': field}},
                    'max': {'max': {'field': field}},
                }
                response = self.client.search(index=index, size=0, aggs=aggs)
                self.loggit.debug('RESPONSE: %s', response)
                if response:
                    try:
                        res = response['aggregations']
                        self.loggit.debug('res: %s', res)
                        data = self.index_info[index]['age']
                        data['min_value'] = fix_epoch(res['min']['value'])
                        data['max_value'] = fix_epoch(res['max']['value'])
                        self.loggit.debug('data: %s', data)
                    except KeyError as exc:
                        raise ActionError(
                            f'Field "{field}" not found in index "{index}"'
                        ) from exc