def remove_initiator_allow(self, id):
target = self._generate_target_name(id)
with lock.ResourceFile(self.initiators_allow):
initiators = self._scan_initiators()
if target not in initiators:
return
initiators.pop(target, None)
self._rewrite_initiators(initiators)
def add_initiator_allow(self, id, ip):
allow = self.default_allows
if ip:
for subnet in self.allow_subnets:
if ip in subnet:
allow = ip
break
target = self._generate_target_name(id)
with lock.ResourceFile(self.initiators_allow):
initiators = self._scan_initiators()
initiators[target].append(allow)
self._rewrite_initiators(initiators)
def create(self, id, ip=None):
with lock.ResourceFile(self._build_lock_path(id)):
try:
# see if an export was created while we were locking
self.get(id)
except NotFound:
pass
else:
raise AlreadyExists("An export already exists for "
"volume '%s'" % id)
# create target
params = {'Name': self._generate_target_name(id)}
try:
out = self.ietadm(op='new', tid='auto', params=params)
except InvalidArgument:
logger.exception("Unable to create target for '%s'" % id)
raise ServiceUnavailable("Invalid argument while trying to "
"create export for '%s'" % id)
# lookup tid
tid = self._get_tid(id)
# add lun
path = self._lun_path(id)
params = {'Path': path, 'Type': 'blockio'}
try:
out += self.ietadm(op='new', tid=tid, lun=0, params=params)
except (NoSuchFile, NotPermitted):
# clean up the target
self.delete(id)
if not os.path.exists(path):
raise NotFound("No volume named '%s'" % id)
logger.exception('Unable to create export for %s' % id)
raise ServiceUnavailable("Invalid param trying to create "
"export for '%s'" % id)
# Write the new exports to the iet config
exports = self.rewrite_config()
if ip:
self.add_initiator_allow(id, ip)
return self.get(id, exports=exports)