def get_dev_type(self):
"""
Return disk 'type' value per storage settings
"""
if self._dev_type is None:
if self._vol_object:
t = self._vol_object.info()[0]
if t == libvirt.VIR_STORAGE_VOL_FILE:
self._dev_type = "file"
elif t == libvirt.VIR_STORAGE_VOL_BLOCK:
self._dev_type = "block"
else:
self._dev_type = "file"
elif self._pool_object:
xml = self._get_pool_xml()
for source, source_type in [
("dir", "dir"),
("device", "block"),
("adapter", "block")]:
if util.xpath(xml, "/pool/source/%s/@dev" % source):
self._dev_type = source_type
break
elif self._path:
if os.path.isdir(self._path):
self._dev_type = "dir"
elif util.stat_disk(self._path)[0]:
self._dev_type = "file"
else:
self._dev_type = "block"
if not self._dev_type:
self._dev_type = "block"
return self._dev_type
def get_dev_type(self):
"""
Return disk 'type' value per storage settings
"""
if self._dev_type is None:
if self._vol_object:
t = self._vol_object.info()[0]
if t == libvirt.VIR_STORAGE_VOL_FILE:
self._dev_type = "file"
elif t == libvirt.VIR_STORAGE_VOL_BLOCK:
self._dev_type = "block"
else:
self._dev_type = "file"
elif self._pool_object:
self._dev_type = self._get_pool_xml().get_vm_disk_type()
elif self._path and not self._conn.is_remote():
if os.path.isdir(self._path):
self._dev_type = "dir"
elif util.stat_disk(self._path)[0]:
self._dev_type = "file"
else:
self._dev_type = "block"
if not self._dev_type:
self._dev_type = "block"
return self._dev_type
def stat_local_path(path):
"""
Return tuple (storage type, storage size) for the passed path on
the local machine. This is a best effort attempt.
@return: tuple of
(True if regular file, False otherwise, default is True,
max size of storage, default is 0)
"""
try:
return util.stat_disk(path)
except:
return (True, 0)
def get_size(self):
"""
Return size of existing storage
"""
if self._size is None:
ret = 0
if self._vol_object:
ret = util.xpath(self._get_vol_xml(), "/volume/capacity")
elif self._pool_object:
ret = util.xpath(self._get_pool_xml(), "/pool/capacity")
elif self._path:
ignore, ret = util.stat_disk(self.path)
self._size = (float(ret) / 1024.0 / 1024.0 / 1024.0)
return self._size
