def search(self, regex):
        try:
            spec = {'$or': [{'data.content'    : {'$regex': regex, '$options': 'im'}},
                            {'data.description': {'$regex': regex, '$options': 'im'}}]}
            fields = {'_id': 0}
            cur = self.db.docs.find(spec, fields)
        except Exception as e:
            raise DatabaseException(e)
        return [Document(**row) for row in cur]
def _Delete(self):
    """Delete the log group."""
    delete_cmd = util.AWS_PREFIX + [
        '--region', self.region,
        'logs', 'delete-log-group',
        '--log-group-name', self.name
    ]
    vm_util.IssueCommand(delete_cmd, raise_on_failure=False)