def generate_clone_disk_path(origpath, design, newname=None):
origname = design.original_guest
newname = newname or design.clone_name
path = origpath
suffix = ""
# Try to split the suffix off the existing disk name. Ex.
# foobar.img -> foobar-clone.img
#
# If the suffix is greater than 7 characters, assume it isn't
# a file extension and is part of the disk name, at which point
# just stick '-clone' on the end.
if origpath.count(".") and len(origpath.rsplit(".", 1)[1]) <= 7:
path, suffix = origpath.rsplit(".", 1)
suffix = "." + suffix
dirname = os.path.dirname(path)
basename = os.path.basename(path)
clonebase = basename + "-clone"
if origname and basename == origname:
clonebase = newname
clonebase = os.path.join(dirname, clonebase)
return _util.generate_name(
clonebase,
lambda p: VirtualDisk.path_exists(design.original_conn, p),
suffix,
lib_collision=False)
def generate_clone_disk_path(origpath, design, newname=None):
origname = design.original_guest
newname = newname or design.clone_name
path = origpath
suffix = ""
# Try to split the suffix off the existing disk name. Ex.
# foobar.img -> foobar-clone.img
#
# If the suffix is greater than 7 characters, assume it isn't
# a file extension and is part of the disk name, at which point
# just stick '-clone' on the end.
if origpath.count(".") and len(origpath.rsplit(".", 1)[1]) <= 7:
path, suffix = origpath.rsplit(".", 1)
suffix = "." + suffix
dirname = os.path.dirname(path)
basename = os.path.basename(path)
clonebase = basename + "-clone"
if origname and basename == origname:
clonebase = newname
clonebase = os.path.join(dirname, clonebase)
return _util.generate_name(
clonebase,
lambda p: VirtualDisk.path_exists(design.original_conn, p),
suffix,
lib_collision=False)
def _get_original_devices_info(self):
clonelist = []
retdisks = []
for disk in self._guest.get_devices("disk"):
if self._do_we_clone_device(disk):
clonelist.append(disk)
continue
# Set up virtual disk to encapsulate all relevant path info
for disk in clonelist:
validate = not self.preserve_dest_disks
try:
if (disk.path and validate and
not VirtualDisk.path_exists(self._hyper_conn, disk.path)):
raise ValueError(_("Disk '%s' does not exist.") %
disk.path)
device = VirtualDisk.DEVICE_DISK
if not disk.path:
# Tell VirtualDisk we are a cdrom to allow empty media
device = VirtualDisk.DEVICE_CDROM
d = VirtualDisk(disk.path, conn=self._hyper_conn,
device=device, driverType=disk.driver_type,
validate=validate)
d.target = disk.target
except Exception, e:
logging.debug("", exc_info=True)
raise ValueError(_("Could not determine original disk "
"information: %s" % str(e)))
retdisks.append(d)
def generate_clone_disk_path(origpath, design):
basename = origpath
suffix = ""
# Try to split the suffix off the existing disk name. Ex.
# foobar.img -> foobar-clone.img
#
# If the suffix is greater than 7 characters, assume it isn't
# a file extension and is part of the disk name, at which point
# just stick '-clone' on the end.
if basename.count(".") and len(basename.rsplit(".", 1)[1]) <= 7:
basename, suffix = basename.rsplit(".", 1)
suffix = "." + suffix
return _util.generate_name(basename + "-clone",
lambda p: VirtualDisk.path_exists(design.original_conn, p),
suffix,
lib_collision=False)
def _get_original_devices_info(self, xml):
disks = []
lst = []
count = _util.get_xml_path(xml, "count(/domain/devices/disk)")
for i in range(1, int(count + 1)):
# Check if the disk needs cloning
(path, target) = self._do_we_clone_device(xml, i)
if target == None:
continue
lst.append((path, target))
# Set up virtual disk to encapsulate all relevant path info
for path, target in lst:
d = None
validate = not self.preserve_dest_disks
try:
if (path and validate and
not VirtualDisk.path_exists(self._hyper_conn, path)):
raise ValueError(_("Disk '%s' does not exist.") % path)
device = VirtualDisk.DEVICE_DISK
if not path:
# Tell VirtualDisk we are a cdrom to allow empty media
device = VirtualDisk.DEVICE_CDROM
d = VirtualDisk(path,
conn=self._hyper_conn,
device=device,
validate=validate)
d.target = target
except Exception, e:
_util.log_exception(e)
raise ValueError(
_("Could not determine original disk "
"information: %s" % str(e)))
disks.append(d)
def _get_original_devices_info(self, xml):
disks = []
lst = []
count = _util.get_xml_path(xml, "count(/domain/devices/disk)")
for i in range(1, int(count + 1)):
# Check if the disk needs cloning
(path, target) = self._do_we_clone_device(xml, i)
if target == None:
continue
lst.append((path, target))
# Set up virtual disk to encapsulate all relevant path info
for path, target in lst:
d = None
validate = not self.preserve_dest_disks
try:
if (path and validate and
not VirtualDisk.path_exists(self._hyper_conn, path)):
raise ValueError(_("Disk '%s' does not exist.") %
path)
device = VirtualDisk.DEVICE_DISK
if not path:
# Tell VirtualDisk we are a cdrom to allow empty media
device = VirtualDisk.DEVICE_CDROM
d = VirtualDisk(path, conn=self._hyper_conn, device=device,
validate=validate)
d.target = target
except Exception, e:
_util.log_exception(e)
raise ValueError(_("Could not determine original disk "
"information: %s" % str(e)))
disks.append(d)
