def disable_bitmaps(self):
for idx, bitmap in enumerate(self.bitmaps):
# disable function has already checked if the bitmap was disabled
block_dirty_bitmap.block_dirty_bitmap_disable(
self.main_vm, self.source_images[idx], bitmap)
# record the count of the bitmap
info = block_dirty_bitmap.get_bitmap_by_name(
self.main_vm, self.source_images[idx], bitmap)
self.bitmap_counts[info['name']] = info['count']
def blockdev_backup(vm, source, target, **extra_options):
cmd, arguments = blockdev_backup_qmp_cmd(source, target, **extra_options)
timeout = int(extra_options.pop("timeout", 600))
if "bitmap" in arguments:
info = block_bitmap.get_bitmap_by_name(vm, source, arguments["bitmap"])
assert info, "Bitmap '%s' not exists in device '%s'" % (
arguments["bitmap"], source)
auto_disable_bitmap = extra_options.pop("auto_disable_bitmap", True)
if auto_disable_bitmap and info.get("status") != "disabled":
block_bitmap.block_dirty_bitmap_disable(vm, source,
arguments["bitmap"])
vm.monitor.cmd(cmd, arguments)
job_id = arguments.get("job-id", source)
job_utils.wait_until_block_job_completed(vm, job_id, timeout)
def incremental_backup(vm, node, target, bitmap=None, wait=True):
"""
Do incremental backup with bitmap
:param vm: VM object
:param node: device ID or node-name
:param target: target device node-name or ID
:param wait: wait for backup job finished or not
"""
options = {"device": node, "target": target, "sync": "incremental"}
if bitmap:
options["bitmap"] = bitmap
info = block_bitmap.get_bitmap_by_name(vm, node, bitmap)
assert info, "Bitmap '%s' not exists in device '%s'" % (bitmap, node)
if info["status"] != "disabled":
block_bitmap.block_dirty_bitmap_disable(vm, node, bitmap)
return blockdev_backup(vm, options, wait)
def _handle_bitmaps(self, disabled_list, new_list, **extra):
for idx, bitmap in enumerate(disabled_list):
block_dirty_bitmap.block_dirty_bitmap_disable(
self.main_vm, self.source_images[idx], bitmap)
for idx, bitmap in enumerate(new_list):
bitmap_params = {}
bitmap_params['bitmap_name'] = bitmap
bitmap_params['target_device'] = self.source_images[idx]
bitmap_params['disabled'] = extra.pop('disabled', 'off')
block_dirty_bitmap.block_dirty_bitmap_add(self.main_vm,
bitmap_params)
merged_list = extra.pop('merged_list', [])
for idx, target in enumerate(merged_list):
src_list = [v[idx] for v in extra.values()]
block_dirty_bitmap.block_dirty_bitmap_merge(
self.main_vm, self.source_images[idx], src_list, target)
def disable_bitmap(self):
block_dirty_bitmap_disable(self.main_vm, self._source_nodes[0],
self._bitmaps[0])
def disable_bitmaps(self):
list(
map(lambda n, b: block_dirty_bitmap_disable(self.main_vm, n, b),
self._source_nodes, self._bitmaps))
