def test_getdevice(self):
""" get root fs, and test getdevice """
dev = None
filep = open("/etc/mtab", "r")
for line in filep:
row = line.split()
if row[1] == "/":
dev = row[0]
filep.close()
self.assertEqual(getdevice("/"), dev)
self.assertEqual(getdevice("/foobarbaz"), None)
def lookup_from_fspath(cls, path):
"""Lookup a logical volume for the filesystem path ``path``
:returns: LogicalVolumeInstance
"""
device = getdevice(path)
return cls.lookup(device)
def lookup_from_fspath(cls, path):
"""Lookup a logical volume for the filesystem path ``path``
:returns: LogicalVolumeInstance
"""
device = getdevice(path)
return cls.lookup(device)
def test_snapshot(self):
lv = LogicalVolume.lookup('%s/%s' % (TEST_VG, TEST_LV))
snapshot = None
try:
snapshot = lv.snapshot(lv.lv_name + '_snapshot', 1)
ok_(lv != snapshot)
ok_('s' in snapshot.lv_attr)
assert_equals(snapshot.lv_size, snapshot.vg_extent_size)
snapshot.mount(MNT_DIR, options='nouuid')
ok_(snapshot.is_mounted())
assert_equals(getdevice(MNT_DIR), os.path.realpath(snapshot.device_name()))
lv.reload()
snapshot.unmount()
assert_equals(snapshot.is_mounted(), False)
snapshot.remove()
ok_(not snapshot.exists())
snapshot = None
finally:
if snapshot and snapshot.is_mounted():
snapshot.unmount()
if snapshot and snapshot.exists():
snapshot.remove()
def test_snapshot(self):
lv = LogicalVolume.lookup('%s/%s' % (TEST_VG, TEST_LV))
snapshot = None
try:
snapshot = lv.snapshot(lv.lv_name + '_snapshot', 1)
ok_(lv != snapshot)
ok_('s' in snapshot.lv_attr)
assert_equals(snapshot.lv_size, snapshot.vg_extent_size)
snapshot.mount(MNT_DIR, options='nouuid')
ok_(snapshot.is_mounted())
assert_equals(getdevice(MNT_DIR), os.path.realpath(snapshot.device_name()))
lv.reload()
snapshot.unmount()
assert_equals(snapshot.is_mounted(), False)
snapshot.remove()
ok_(not snapshot.exists())
snapshot = None
finally:
if snapshot and snapshot.is_mounted():
snapshot.unmount()
if snapshot and snapshot.exists():
snapshot.remove()
def test_snapshot(self):
"""Test snapshot"""
log_vol = LogicalVolume.lookup("%s/%s" % (TEST_VG, TEST_LV))
snapshot = None
try:
snapshot = log_vol.snapshot(log_vol.lv_name + "_snapshot", 1)
self.assertTrue(log_vol != snapshot)
self.assertTrue("s" in snapshot.lv_attr)
self.assertEqual(snapshot.lv_size, snapshot.vg_extent_size)
snapshot.mount(self.__class__.tmpdir)
self.assertTrue(snapshot.is_mounted())
self.assertEqual(getdevice(self.__class__.tmpdir),
"/dev/mapper/holland-test_lv_snapshot")
log_vol.reload()
snapshot.unmount()
self.assertEqual(snapshot.is_mounted(), False)
snapshot.remove()
self.assertTrue(not snapshot.exists())
snapshot = None
finally:
if snapshot and snapshot.is_mounted():
snapshot.unmount()
if snapshot and snapshot.exists():
snapshot.remove()
