def end_event_cancel(self, eventid, lvolid):
attach = self.get_row(lvolid)
assert(attach and attach['eventid'] == eventid), lineno()
if attach['event_type'] == ATTACH_EVENT['BINDING'] and \
not attach['assoc_lvolid']:
self.delete_rows('lvolid', lvolid)
else:
self.__clear_event(lvolid)
def replace_dext(self, dextid, post_status):
# delete lvolmap first, get values before delete
lvolmap = self.lvolmap.get_row(dextid)
self.lvolmap.delete_rows('lvolid', dextid)
# change dskmap status if specified (OFFLINE or FAULTY)
if post_status:
self.dskmap.update_value('dextid', dextid, 'status', post_status)
# allocate new dext
mirrorid = lvolmap['superlvolid']
extents = self.lvolmap.get_rows('superlvolid', mirrorid)
omit = []
for extent in extents:
omit.append(extent['lvolid'])
newdextid = self.allocate_dext(lvolmap['capacity'], omit)
if lvolmap['mirror_status'] in (MIRROR_STATUS['ALLOCATED'], MIRROR_STATUS['NEEDSHRED']):
ms = MIRROR_STATUS['ALLOCATED']
else:
ms = MIRROR_STATUS['SPARE']
self.lvolmap.put_row((newdextid, LVOLTYPE['DEXT'], mirrorid, 0, lvolmap['capacity'], \
lvolmap['toplvolid'], ms))
# register resync table if attached
attach = self.attach.get_row(lvolmap['toplvolid'])
if attach:
# TODO? check unbinding?
merge = False
row = self.resync.get_rows('lvolid_add', dextid)
if row:
assert(len(row) == 1), lineno()
if row[0]['status'] == EVENT_STATUS['PENDING']:
merge = True
else: # PROGRESS
# delete resync record so that not retry
self.resync.delete_rows('lvolid_add', dextid)
if merge:
self.resync.update_value('lvolid_add', dextid, 'lvolid_add', newdextid)
else:
eventid = self.genid_event()
self.resync.put_row((eventid, mirrorid, newdextid, dextid, EVENT_STATUS['PENDING']))
def begin_transaction(self):
return True
assert(self.conn.inTransaction == 0), lineno()
def end_event_error(self, eventid, lvolid):
attach = self.get_row(lvolid)
assert(attach and attach['eventid'] == eventid), lineno()
self.update_value('lvolid', lvolid, 'status', ATTACH_STATUS['ERROR'])
self.__clear_event(lvolid)
