def __init__(self, target, iface=None, credentials=None):
self._target = target
if iface is None:
iface = iscsi.IscsiInterface('default')
self._iface = iface
self._cred = credentials
def _maybe_connect_iser(self):
"""
Tries to connect the storage server over iSER.
This applies if 'iser' is in the configuration option
'iscsi_default_ifaces'.
"""
# FIXME: remove this method when iface selection is in higher interface
try:
self._iface.initiatorName
except KeyError:
ifaces = config.get('irs', 'iscsi_default_ifaces').split(',')
if 'iser' in ifaces:
orig_iface = self._iface
self._iface = iscsi.IscsiInterface('iser')
try:
self._connect_iscsi()
self._disconnect_iscsi()
except:
log.warning(
"Cannot connect to storage over iSER, using original "
"iface %r", orig_iface)
self._iface = orig_iface
