https://github.com/elasticsearch/elasticsearch-river-couchdb

        Delete's a river for the specified index
        WARNING: It DOES NOT delete the index, only the river, so the only effects of this are that the index will no longer poll CouchDB for updates.

def river_couchdb_delete(self, index_name):
        '''
        https://github.com/elasticsearch/elasticsearch-river-couchdb

        Delete's a river for the specified index
        WARNING: It DOES NOT delete the index, only the river, so the only effects of this are that the index will no longer poll CouchDB for updates.
        '''
        request = self.session
        url = 'http://%s:%s/_river/%s' % (self.host, self.port, index_name)
        response = request.delete(url)
        return response