def create_backup_xml(address, drives, scratch_disks):
domainbackup = vmxml.Element('domainbackup', mode='pull')
server = vmxml.Element(
'server', transport=address.transport, socket=address.path)
domainbackup.appendChild(server)
disks = vmxml.Element('disks')
# fill the backup XML disks
for drive in drives.values():
disk = vmxml.Element('disk', name=drive.name, type='file')
# scratch element can have dev=/path/to/block/disk
# or file=/path/to/file/disk attribute according to
# the disk type.
# Currently, all the scratch disks resides on the
# host local file storage.
scratch = vmxml.Element('scratch', file=scratch_disks[drive.name])
storage.disable_dynamic_ownership(scratch, write_type=False)
disk.appendChild(scratch)
disks.appendChild(disk)
domainbackup.appendChild(disks)
return xmlutils.tostring(domainbackup)
def _process_domxml(tree):
for disk_type in (
storage.DISK_TYPE.BLOCK,
storage.DISK_TYPE.FILE,
):
xpath = "./devices//disk[@type='%s']//source" % (disk_type, )
for element in tree.findall(xpath):
storage.disable_dynamic_ownership(element)
def _process_domxml(tree):
for xpath in ("./devices//disk[@type='%s']//source" %
(storage.DISK_TYPE.BLOCK, ),
"./devices//disk[@type='%s']//source" %
(storage.DISK_TYPE.FILE, ),
"./devices//disk[@type='%s']//source[@protocol='gluster']" %
(storage.DISK_TYPE.NETWORK, )):
for element in tree.findall(xpath):
storage.disable_dynamic_ownership(element)
def create_backup_xml(address, backup_disks, from_checkpoint_id=None):
domainbackup = vmxml.Element('domainbackup', mode='pull')
if from_checkpoint_id is not None:
incremental = vmxml.Element('incremental')
incremental.appendTextNode(from_checkpoint_id)
domainbackup.appendChild(incremental)
server = vmxml.Element('server',
transport=address.transport,
socket=address.path)
domainbackup.appendChild(server)
disks = vmxml.Element('disks')
# fill the backup XML disks
for backup_disk in backup_disks.values():
disk = vmxml.Element('disk',
name=backup_disk.drive.name,
type=backup_disk.scratch_disk.type)
# If backup mode reported by the engine it should be added
# to the backup XML.
if backup_disk.backup_mode is not None:
vmxml.set_attr(disk, "backupmode", backup_disk.backup_mode)
if backup_disk.backup_mode == MODE_INCREMENTAL:
# if backupmode is 'incremental' we should also provide the
# checkpoint ID we start the incremental backup from.
vmxml.set_attr(disk, MODE_INCREMENTAL, from_checkpoint_id)
# scratch element can have dev=/path/to/block/disk
# or file=/path/to/file/disk attribute according to
# the disk type.
if backup_disk.scratch_disk.type == DISK_TYPE.BLOCK:
scratch = vmxml.Element('scratch',
dev=backup_disk.scratch_disk.path)
else:
scratch = vmxml.Element('scratch',
file=backup_disk.scratch_disk.path)
storage.disable_dynamic_ownership(scratch, write_type=False)
disk.appendChild(scratch)
disks.appendChild(disk)
domainbackup.appendChild(disks)
return xmlutils.tostring(domainbackup)
def _process_domxml(tree):
for disk_type in (storage.DISK_TYPE.BLOCK, storage.DISK_TYPE.FILE,):
xpath = "./devices//disk[@type='%s']//source" % (disk_type,)
for element in tree.findall(xpath):
storage.disable_dynamic_ownership(element)