def registerShredRequest(self, data):
def vbtomb(vb):
mb = vbtos(vb) / (1024 * 1024 / 512)
tvb, todd = stovb(mb * (1024 * 1024 / 512))
if tvb != vb or todd != 0:
logger.info("vb %s != %s (%s)" % \
(stovb(mb * (1024 * 1024 / 512)), vb, mb))
raise xmlrpclib.Fault(errno.EINVAL, 'EINVAL')
return mb
self.event_record.lock()
try:
eventid, dextid, pdskid, offset, capacity = \
mand_keys(data, 'eventid', 'dextid', 'pdskid', 'offset', \
'capacity')
if self.event_record.event_exist(eventid):
self.event_record.unlock()
return 0
local_path = '%s/%08x' % (VAS_PDSK_DIR, pdskid)
# XXX wait for ssvr_reporter creating symlinks.
execute_retry_not_path_exist("false", local_path, 16)
self.__start_shredder(eventid, local_path, vbtomb(offset), \
vbtomb(capacity), dextid, pdskid)
self.event_record.add_event(eventid, EVENT_STATUS['PROGRESS'])
self.event_record.unlock()
except xmlrpclib.Fault:
self.event_record.unlock()
raise
except Exception:
self.event_record.unlock()
logger.error(traceback.format_exc())
raise xmlrpclib.Fault(500, 'Internal Server Error')
return 0
def do(self):
assert(len(self.components) > 0)
name = getSnapshotOriginDevName(self.lvolid)
path = getDmDevPath(name)
if not os.path.exists(path):
c = self.components[0]
command = "echo 0 %s snapshot-origin %s | dmsetup create %s" % \
(gtos(self.capacity), c.path, name)
execute_retry_not_path_exist(command, path, DMSETUP_RETRY_TIMES)
self.path = path
def do(self):
assert(len(self.components) > 0)
name = getSnapshotDevName(self.lvolid)
path = getDmDevPath(name)
if not os.path.exists(path):
origin_path = getSnapshotOriginOriginPath( \
self.snapshot_origin_lvolid)
origin_size = blockdev_getsize(origin_path)
c = self.components[0]
command = \
"echo 0 %s snapshot %s %s P %u | dmsetup create --readonly %s" \
% (origin_size, origin_path, c.path, SNAPSHOT_CHUNK_SIZE, name)
execute_retry_not_path_exist(command, path, DMSETUP_RETRY_TIMES)
self.path = path
def do(self):
assert len(self.components) == 1
c = self.components[0]
assert c.iscsi_ref != None
name = getDextDevName(self.dext_ssvrid, self.lvolid)
path = getDmDevPath(name)
if not os.path.exists(path):
command = "echo 0 %s linear %s %s | dmsetup create %s" % (
vbtos(self.capacity),
c.path,
vbtos(self.dext_offset),
name,
)
execute_retry_not_path_exist(command, path, DMSETUP_RETRY_TIMES)
self.path = path
os.close(c.iscsi_ref)
c.iscsi_ref = None
def do(self):
assert(len(self.components) > 0)
s = ""
offset = 0
total_sectors = gtos(self.capacity)
for c in self.components:
assert c.path
real_size = executecommand("blockdev --getsize %s" % c.path)
c_sectors = min([int(real_size), total_sectors - offset])
s += "%d %d linear %s 0\\n" % (offset, c_sectors, c.path)
offset += c_sectors
name = getLinearDevName(self.lvolid)
path = getLinearDevPath(self.lvolid)
if not os.path.exists(path):
command = "echo -e \"%s\" | dmsetup create %s" % (s, name)
execute_retry_not_path_exist(command, path, DMSETUP_RETRY_TIMES)
self.path = path
