def default_vol_name(self):
if not self.name_hint:
return ""
suffix = self.default_suffix()
ret = ""
try:
ret = StorageVolume.find_free_name(
self.parent_pool.get_backend(), self.name_hint, suffix=suffix)
except:
logging.exception("Error finding a default vol name")
return ret
def default_vol_name(self):
if not self.name_hint:
return ""
suffix = self.default_suffix()
ret = ""
try:
ret = StorageVolume.find_free_name(
self.parent_pool.get_backend(), self.name_hint, suffix=suffix)
except Exception:
logging.exception("Error finding a default vol name")
return ret
def _default_vol_name(self):
hint = self._name_hint or "vol"
suffix = self._default_suffix()
ret = ""
try:
ret = StorageVolume.find_free_name(self._parent_pool.get_backend(),
hint,
suffix=suffix)
if ret and suffix:
ret = ret.rsplit(".", 1)[0]
except Exception:
logging.exception("Error finding a default vol name")
return ret
def _upload_file(conn, meter, destpool, src):
# Build stream object
stream = conn.newStream(0)
def safe_send(data):
while True:
ret = stream.send(data)
if ret == 0 or ret == len(data):
break
data = data[ret:]
if meter is None:
meter = urlgrabber.progress.BaseMeter()
# Build placeholder volume
size = os.path.getsize(src)
basename = os.path.basename(src)
xmlobj = StoragePool(conn, parsexml=destpool.XMLDesc(0))
poolpath = xmlobj.target_path
name = StorageVolume.find_free_name(destpool, basename)
if name != basename:
logging.debug("Generated non-colliding volume name %s", name)
vol_install = VirtualDisk.build_vol_install(conn, name, destpool,
(float(size) / 1024.0 / 1024.0 / 1024.0), True)
disk = VirtualDisk(conn)
disk.path = os.path.join(poolpath, name)
disk.set_create_storage(vol_install=vol_install)
disk.validate()
disk.setup(meter=meter)
vol = disk.get_vol_object()
if not vol:
raise RuntimeError(_("Failed to lookup scratch media volume"))
try:
# Register upload
offset = 0
length = size
flags = 0
vol.upload(stream, offset, length, flags)
# Open source file
fileobj = file(src, "r")
# Start transfer
total = 0
meter.start(size=size,
text=_("Transferring %s") % os.path.basename(src))
while True:
# blocksize = (1024 ** 2)
blocksize = 1024
data = fileobj.read(blocksize)
if not data:
break
safe_send(data)
total += len(data)
meter.update(total)
# Cleanup
stream.finish()
meter.end(size)
except:
if vol:
vol.delete(0)
raise
return vol
