def do_convert(args):
volume_abs_path = args[1]
raw_volume_abs_path = volume_abs_path + RAW_SUFFIX
qcow2_volume_abs_path = volume_abs_path + QCOW2_SUFFIX
check(volume_abs_path, raw_volume_abs_path)
volume_size = lvm.get_lv_size(volume_abs_path)
lvm.create_lv_from_absolute_path(raw_volume_abs_path, volume_size)
with lvm.RecursiveOperateLv(volume_abs_path,
shared=False,
delete_when_exception=False):
with lvm.OperateLv(raw_volume_abs_path,
shared=False,
delete_when_exception=False):
lvm.add_lv_tag(volume_abs_path, START_TAG)
r, o, e = qcow2_convert_to_raw(volume_abs_path,
raw_volume_abs_path)
if r != 0:
logger.warn("convert failed: %s, removing tag and raw volume")
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.delete_lv(raw_volume_abs_path)
return
lvm.add_lv_tag(volume_abs_path, DONE_TAG)
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.lv_rename(volume_abs_path,
qcow2_volume_abs_path,
overwrite=False)
lvm.lv_rename(raw_volume_abs_path,
volume_abs_path,
overwrite=False)
def offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
src_abs_path = translate_absolute_path_from_install_path(cmd.srcPath)
dst_abs_path = translate_absolute_path_from_install_path(cmd.destPath)
with lvm.RecursiveOperateLv(src_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(src_abs_path)
if not lvm.lv_exists(dst_abs_path):
lvm.create_lv_from_absolute_path(dst_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.RecursiveOperateLv(dst_abs_path, shared=False):
if not cmd.fullRebase:
linux.qcow2_rebase(src_abs_path, dst_abs_path)
else:
tmp_lv = 'tmp_%s' % uuidhelper.uuid()
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path), tmp_lv)
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path), tmp_lv)
logger.debug("creating temp lv %s" % tmp_abs_path)
lvm.create_lv_from_absolute_path(tmp_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(tmp_abs_path, shared=False, delete_when_exception=True):
linux.create_template(dst_abs_path, tmp_abs_path)
lvm.lv_rename(tmp_abs_path, dst_abs_path, overwrite=True)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def offline_merge_snapshots(self, req):
cmd = jsonobject.loads(req[http.REQUEST_BODY])
rsp = OfflineMergeSnapshotRsp()
src_abs_path = translate_absolute_path_from_install_path(cmd.srcPath)
dst_abs_path = translate_absolute_path_from_install_path(cmd.destPath)
with lvm.RecursiveOperateLv(src_abs_path, shared=True):
virtual_size = linux.qcow2_virtualsize(src_abs_path)
if not lvm.lv_exists(dst_abs_path):
lvm.create_lv_from_absolute_path(
dst_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.RecursiveOperateLv(dst_abs_path, shared=False):
if not cmd.fullRebase:
linux.qcow2_rebase(src_abs_path, dst_abs_path)
else:
tmp_lv = 'tmp_%s' % uuidhelper.uuid()
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path),
tmp_lv)
tmp_abs_path = os.path.join(os.path.dirname(dst_abs_path),
tmp_lv)
logger.debug("creating temp lv %s" % tmp_abs_path)
lvm.create_lv_from_absolute_path(
tmp_abs_path, virtual_size,
"%s::%s::%s" % (VOLUME_TAG, cmd.hostUuid, time.time()))
with lvm.OperateLv(tmp_abs_path,
shared=False,
delete_when_exception=True):
linux.create_template(dst_abs_path, tmp_abs_path)
lvm.lv_rename(tmp_abs_path,
dst_abs_path,
overwrite=True)
rsp.totalCapacity, rsp.availableCapacity = lvm.get_vg_size(cmd.vgUuid)
return jsonobject.dumps(rsp)
def do_convert(args):
volume_abs_path = args[1]
raw_volume_abs_path = volume_abs_path + RAW_SUFFIX
qcow2_volume_abs_path = volume_abs_path + QCOW2_SUFFIX
check(volume_abs_path, raw_volume_abs_path)
volume_size = lvm.get_lv_size(volume_abs_path)
lvm.create_lv_from_absolute_path(raw_volume_abs_path, volume_size)
with lvm.RecursiveOperateLv(volume_abs_path, shared=False, delete_when_exception=False):
with lvm.OperateLv(raw_volume_abs_path, shared=False, delete_when_exception=False):
lvm.add_lv_tag(volume_abs_path, START_TAG)
r, o, e = qcow2_convert_to_raw(volume_abs_path, raw_volume_abs_path)
if r != 0:
logger.warn("convert failed: %s, removing tag and raw volume")
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.delete_lv(raw_volume_abs_path)
return
lvm.add_lv_tag(volume_abs_path, DONE_TAG)
lvm.clean_lv_tag(volume_abs_path, START_TAG)
lvm.lv_rename(volume_abs_path, qcow2_volume_abs_path, overwrite=False)
lvm.lv_rename(raw_volume_abs_path, volume_abs_path, overwrite=False)