def METHOD_NAME(self):
    """
    Set cluster proxy - copy proxy configuration from another (e.g. day 1) cluster,
    or allow setting/overriding it via command arguments
    """
    if self._config.proxy:
        http_proxy = self._config.proxy.http_proxy
        https_proxy = self._config.proxy.https_proxy
        no_proxy = self._config.proxy.no_proxy
        self.api_client.METHOD_NAME(self.id, http_proxy, https_proxy, no_proxy)