def test_lv_activate_deactivate(tmp_storage, read_only):
dev_size = 20 * 1024**3
dev = tmp_storage.create_device(dev_size)
vg_name = str(uuid.uuid4())
lv_name = str(uuid.uuid4())
lvm.set_read_only(False)
lvm.createVG(vg_name, [dev], "initial-tag", 128)
lvm.createLV(vg_name, lv_name, 1024, activate=False)
lvm.set_read_only(read_only)
lv = lvm.getLV(vg_name, lv_name)
assert not lv.active
# Activate the inactive lv.
lvm.activateLVs(vg_name, [lv_name])
lv = lvm.getLV(vg_name, lv_name)
assert lv.active
# Deactivate the active lv.
lvm.deactivateLVs(vg_name, [lv_name])
lv = lvm.getLV(vg_name, lv_name)
assert not lv.active
def test_lv_activate_deactivate(tmp_storage, read_only):
dev_size = 20 * GiB
dev = tmp_storage.create_device(dev_size)
vg_name = str(uuid.uuid4())
lv_name = str(uuid.uuid4())
lvm.set_read_only(False)
lvm.createVG(vg_name, [dev], "initial-tag", 128)
lvm.createLV(vg_name, lv_name, 1024, activate=False)
lvm.set_read_only(read_only)
lv = lvm.getLV(vg_name, lv_name)
assert not lv.active
# Activate the inactive lv.
lvm.activateLVs(vg_name, [lv_name])
lv = lvm.getLV(vg_name, lv_name)
assert lv.active
# Deactivate the active lv.
lvm.deactivateLVs(vg_name, [lv_name])
lv = lvm.getLV(vg_name, lv_name)
assert not lv.active
def close(self):
try:
lvm.deactivateLVs(self._vg, [self._lv])
except Exception as e:
# If storage not accessible or lvm error occurred
# the LV deactivation will failure.
# We can live with it and still release the resource.
log.warn("Failure deactivate LV %s/%s (%s)", self._vg, self._lv, e)
def close(self):
try:
lvm.deactivateLVs(self._vg, [self._lv])
except Exception as e:
# If storage not accessible or lvm error occurred
# the LV deactivation will failure.
# We can live with it and still release the resource.
log.warn("Failure deactivate LV %s/%s (%s)", self._vg, self._lv, e)
def _create(cls, dom, imgUUID, volUUID, capacity, volFormat, preallocate,
volParent, srcImgUUID, srcVolUUID, volPath, initial_size=None,
add_bitmaps=False):
"""
Class specific implementation of volumeCreate. All the exceptions are
properly handled and logged in volume.create()
"""
lv_size = cls.calculate_volume_alloc_size(
preallocate, volFormat, capacity, initial_size)
lv_size_mb = utils.round(lv_size, MiB) // MiB
lvm.createLV(dom.sdUUID, volUUID, lv_size_mb, activate=True,
initialTags=(sc.TAG_VOL_UNINIT,))
fileutils.rm_file(volPath)
lvPath = lvm.lvPath(dom.sdUUID, volUUID)
cls.log.info("Creating volume symlink from %r to %r", lvPath, volPath)
os.symlink(lvPath, volPath)
if not volParent:
cls.log.info("Request to create %s volume %s with capacity = %s",
sc.type2name(volFormat), volPath, capacity)
if volFormat == sc.COW_FORMAT:
operation = qemuimg.create(volPath,
size=capacity,
format=sc.fmt2str(volFormat),
qcow2Compat=dom.qcow2_compat())
operation.run()
else:
# Create hardlink to template and its meta file
cls.log.info("Request to create snapshot %s/%s of volume %s/%s "
"with capacity %s",
imgUUID, volUUID, srcImgUUID, srcVolUUID, capacity)
volParent.clone(volPath, volFormat, capacity)
with dom.acquireVolumeMetadataSlot(volUUID) as slot:
mdTags = ["%s%s" % (sc.TAG_PREFIX_MD, slot),
"%s%s" % (sc.TAG_PREFIX_PARENT, srcVolUUID),
"%s%s" % (sc.TAG_PREFIX_IMAGE, imgUUID)]
lvm.changeLVsTags(
dom.sdUUID,
(volUUID,),
delTags=[sc.TAG_VOL_UNINIT],
addTags=mdTags)
try:
lvm.deactivateLVs(dom.sdUUID, [volUUID])
except se.CannotDeactivateLogicalVolume:
cls.log.warn("Cannot deactivate new created volume %s/%s",
dom.sdUUID, volUUID, exc_info=True)
return (dom.sdUUID, slot)
def _create(cls, dom, imgUUID, volUUID, size, volFormat, preallocate,
volParent, srcImgUUID, srcVolUUID, volPath, initialSize=None):
"""
Class specific implementation of volumeCreate. All the exceptions are
properly handled and logged in volume.create()
"""
lvSize = cls.calculate_volume_alloc_size(preallocate,
size, initialSize)
lvm.createLV(dom.sdUUID, volUUID, lvSize, activate=True,
initialTags=(sc.TAG_VOL_UNINIT,))
fileutils.rm_file(volPath)
lvPath = lvm.lvPath(dom.sdUUID, volUUID)
cls.log.info("Creating volume symlink from %r to %r", lvPath, volPath)
os.symlink(lvPath, volPath)
if not volParent:
cls.log.info("Request to create %s volume %s with size = %s "
"blocks", sc.type2name(volFormat), volPath,
size)
if volFormat == sc.COW_FORMAT:
operation = qemuimg.create(volPath,
size=size * BLOCK_SIZE,
format=sc.fmt2str(volFormat),
qcow2Compat=dom.qcow2_compat())
operation.run()
else:
# Create hardlink to template and its meta file
cls.log.info("Request to create snapshot %s/%s of volume %s/%s "
"with size %s (blocks)",
imgUUID, volUUID, srcImgUUID, srcVolUUID, size)
volParent.clone(volPath, volFormat, size)
with dom.acquireVolumeMetadataSlot(volUUID) as slot:
mdTags = ["%s%s" % (sc.TAG_PREFIX_MD, slot),
"%s%s" % (sc.TAG_PREFIX_PARENT, srcVolUUID),
"%s%s" % (sc.TAG_PREFIX_IMAGE, imgUUID)]
lvm.changeLVTags(dom.sdUUID, volUUID, delTags=[sc.TAG_VOL_UNINIT],
addTags=mdTags)
try:
lvm.deactivateLVs(dom.sdUUID, [volUUID])
except se.CannotDeactivateLogicalVolume:
cls.log.warn("Cannot deactivate new created volume %s/%s",
dom.sdUUID, volUUID, exc_info=True)
return (dom.sdUUID, slot)
def _create(cls, dom, imgUUID, volUUID, size, volFormat, preallocate,
volParent, srcImgUUID, srcVolUUID, volPath, initialSize=None):
"""
Class specific implementation of volumeCreate. All the exceptions are
properly handled and logged in volume.create()
"""
lvSize = cls.calculate_volume_alloc_size(preallocate,
size, initialSize)
lvm.createLV(dom.sdUUID, volUUID, "%s" % lvSize, activate=True,
initialTags=(sc.TAG_VOL_UNINIT,))
fileutils.rm_file(volPath)
os.symlink(lvm.lvPath(dom.sdUUID, volUUID), volPath)
if not volParent:
cls.log.info("Request to create %s volume %s with size = %s "
"sectors", sc.type2name(volFormat), volPath,
size)
if volFormat == sc.COW_FORMAT:
qemuimg.create(volPath,
size=size * BLOCK_SIZE,
format=sc.fmt2str(volFormat),
qcow2Compat=dom.qcow2_compat())
else:
# Create hardlink to template and its meta file
cls.log.info("Request to create snapshot %s/%s of volume %s/%s",
imgUUID, volUUID, srcImgUUID, srcVolUUID)
volParent.clone(volPath, volFormat)
with dom.acquireVolumeMetadataSlot(
volUUID, sc.VOLUME_MDNUMBLKS) as slot:
mdTags = ["%s%s" % (sc.TAG_PREFIX_MD, slot),
"%s%s" % (sc.TAG_PREFIX_PARENT, srcVolUUID),
"%s%s" % (sc.TAG_PREFIX_IMAGE, imgUUID)]
lvm.changeLVTags(dom.sdUUID, volUUID, delTags=[sc.TAG_VOL_UNINIT],
addTags=mdTags)
try:
lvm.deactivateLVs(dom.sdUUID, [volUUID])
except se.CannotDeactivateLogicalVolume:
cls.log.warn("Cannot deactivate new created volume %s/%s",
dom.sdUUID, volUUID, exc_info=True)
return (dom.sdUUID, slot)
