'Return volume connector information.'

def get_volume_connector(self, instance):

    if ((not self._initiator) or (not self._hypervisor_hostname)):
        stats = self.host_state.get_host_stats(refresh=True)
        try:
            self._initiator = stats['host_other-config']['iscsi_iqn']
            self._hypervisor_hostname = stats['host_hostname']
        except (TypeError, KeyError) as err:
            LOG.warning('Could    not    determine    key:    %s', err, instance=instance)
            self._initiator = None
    return {'ip': self._get_block_storage_ip(), 'initiator': self._initiator, 'host': self._hypervisor_hostname}
