'Find other servers asking nodes to given server'

def _discovery(self):

    data = self.cluster_nodes()
    self.cluster_name = data['cluster_name']
    for (_, nodedata) in list(data['nodes'].items()):
        server = nodedata['http_address'].replace(']', '').replace('inet[', 'http:/')
        if (server not in self.servers):
            self.servers.append(server)
    self._init_connection()
    return self.servers
