def to_normalized_wwn(self, wwn):
'''
Checks whether or not the provided WWN is valid for this fabric module
according to the spec, and returns a tuple of our preferred string
representation of the wwn, and what type it turned out to be.
'''
return normalize_wwn(self.wwn_types, wwn, self.wwns)
def to_normalized_wwn(self, wwn):
'''
Checks whether or not the provided WWN is valid for this fabric module
according to the spec, and returns a tuple of our preferred string
representation of the wwn, and what type it turned out to be.
'''
return normalize_wwn(self.wwn_types, wwn)
def __init__(self, parent_tpg, node_wwn, mode="any"):
"""
@param parent_tpg: The parent TPG object.
@type parent_tpg: TPG
@param node_wwn: The wwn of the initiator node for which the ACL is
created.
@type node_wwn: string
@param mode:An optionnal string containing the object creation mode:
- I{'any'} means the configFS object will be either looked up or
created.
- I{'lookup'} means the object MUST already exist configFS.
- I{'create'} means the object must NOT already exist in configFS.
@type mode:string
@return: A NodeACL object.
"""
super(NodeACL, self).__init__()
if isinstance(parent_tpg, TPG):
self._parent_tpg = parent_tpg
else:
raise RTSLibError("Invalid parent TPG.")
fm = self.parent_tpg.parent_target.fabric_module
self._node_wwn, self.wwn_type = normalize_wwn(fm.wwn_types, node_wwn)
self._path = "%s/acls/%s" % (self.parent_tpg.path, fm.to_fabric_wwn(self.node_wwn))
self._create_in_cfs_ine(mode)
def __init__(self, parent_tpg, node_wwn, mode='any'):
'''
@param parent_tpg: The parent TPG object.
@type parent_tpg: TPG
@param node_wwn: The wwn of the initiator node for which the ACL is
created.
@type node_wwn: string
@param mode:An optionnal string containing the object creation mode:
- I{'any'} means the configFS object will be either looked up or
created.
- I{'lookup'} means the object MUST already exist configFS.
- I{'create'} means the object must NOT already exist in configFS.
@type mode:string
@return: A NodeACL object.
'''
super(NodeACL, self).__init__()
if isinstance(parent_tpg, TPG):
self._parent_tpg = parent_tpg
else:
raise RTSLibError("Invalid parent TPG.")
fm = self.parent_tpg.parent_target.fabric_module
self._node_wwn, self.wwn_type = normalize_wwn(fm.wwn_types, node_wwn)
self._path = "%s/acls/%s" % (self.parent_tpg.path,
fm.to_fabric_wwn(self.node_wwn))
self._create_in_cfs_ine(mode)
def _set_nexus(self, nexus_wwn=None):
'''
Sets the nexus initiator WWN. Raises an exception if the nexus is
already set or if the TPG does not use a nexus.
'''
self._check_self()
if not self.has_feature('nexus'):
raise RTSLibError("The TPG does not use a nexus.")
if self._get_nexus():
raise RTSLibError("The TPG's nexus initiator WWN is already set.")
# Nexus wwn type should match parent target
wwn_type = self.parent_target.wwn_type
if nexus_wwn:
# Not using fabric-specific version of normalize_wwn, since we
# want to make sure wwn conforms to regexp, but don't check
# against target wwn_list, since we're setting the "initiator" here.
nexus_wwn = normalize_wwn((wwn_type, ), nexus_wwn)[0]
else:
nexus_wwn = generate_wwn(wwn_type)
fm = self.parent_target.fabric_module
fwrite("%s/nexus" % self.path, fm.to_fabric_wwn(nexus_wwn))
def _set_nexus(self, nexus_wwn=None):
'''
Sets the nexus initiator WWN. Raises an exception if the nexus is
already set or if the TPG does not use a nexus.
'''
self._check_self()
if not self.has_feature('nexus'):
raise RTSLibError("The TPG does not use a nexus.")
if self._get_nexus():
raise RTSLibError("The TPG's nexus initiator WWN is already set.")
# Nexus wwn type should match parent target
wwn_type = self.parent_target.wwn_type
if nexus_wwn:
# Not using fabric-specific version of normalize_wwn, since we
# want to make sure wwn conforms to regexp, but don't check
# against target wwn_list, since we're setting the "initiator" here.
nexus_wwn = normalize_wwn((wwn_type,), nexus_wwn)[0]
else:
nexus_wwn = generate_wwn(wwn_type)
fm = self.parent_target.fabric_module
fwrite("%s/nexus" % self.path, fm.to_fabric_wwn(nexus_wwn))
