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Older
self.state, self.capacity = None, None
self.allocation, self.available = None, None
self.type = et.ElementTree().parse(
StringIO(lv_storage.XMLDesc(0))).get('type')
self.volumes = dict((v.name, v) for v in imap(
(lv_storage.storageVolLookupByName(n) for n in
lv_storage.listVolumes()),
))
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self.update_attr()
def update(self):
self.update_attr()
# update volumes
for vol_name in self.lv_storage.listVolumes():
if vol_name in self.volumes:
# update volume
self.volumes[vol_name].update()
else:
# add volume
v = Volume(self.lv_storage.storageVolLookupByName(vol_name))
self.volumes[v.name] = v
def update_attr(self):
self.state, self.capacity, self.allocation, self.available = self.lv_storage.info()
self.state = STORAGE_STATES[self.state]
self.type = et.ElementTree().parse(
StringIO(self.lv_storage.XMLDesc(0))).get('type')
class Volume(object):
"""Volume abstraction."""
"""
:param lv_volume: Libvirt volume instance
"""
self.storage = lv_volume.storagePoolLookupByVolume().name()
self.path = lv_volume.path()
self.name = lv_volume.name()
self.capacity, self.allocation = None, None
self.update()
def update(self):
self.capacity, self.allocation = self.lv_volume.info()[1:]