def createPartitions(self):
""" creates new partition table """
if not self.exists():
raise ComException("Device %s not found" % self.getDeviceName())
import ComParted
phelper=ComParted.getInstance()
phelper.createPartitions(self.getDeviceName(), self.getAllPartitions(), self.sameSize())
self.stabilize()
def initFromDiskParted(self):
import parted
import ComParted
phelper=ComParted.PartedHelper()
dev=parted.PedDevice.get(self.getDeviceName())
try:
disk=parted.PedDisk.new(dev)
partlist=phelper.get_primary_partitions(disk)
for part in partlist:
self.appendChild(Partition(part, self.getDocument()))
except parted.error:
HostDisk.log.debug("no partitions found")
def createPartitionsParted(self):
import parted
import ComParted
if not self.exists():
raise ComException("Device %s not found" % self.getDeviceName())
phelper=ComParted.PartedHelper()
#IDEA compare the partition configurations for update
#1. delete all aprtitions
dev=parted.PedDevice.get(self.getDeviceName())
try:
disk=parted.PedDisk.new(dev)
disk.delete_all()
except parted.error:
#FIXME use generic disk types
disk=dev.disk_new_fresh(parted.disk_type_get("msdos"))
# create new partitions
for com_part in self.getAllPartitions():
type=com_part.getPartedType()
if self.sameSize():
size=com_part.getPartedSize(dev)
else:
size=com_part.getPartedSizeOptimum(dev)
flags=com_part.getPartedFlags()
self.log.debug("creating partition: size: %i" % size )
phelper.add_partition(disk, type, size, flags)
disk.commit()
self.commit()
#dev.sync()
#dev.close()
# run partx if the device is a multipath device
self.log.debug("ComHostDisk: checking for multipath devices")
if self.isDMMultipath():
self.log.debug("Device %s is a dm_multipath device, adding partitions" %self.getDeviceName())
__cmd=CMD_KPARTX + " -d " + self.getDeviceName()
try:
__ret = ComSystem.execLocalOutput(__cmd, True, "")
self.log.debug(__ret)
__cmd=CMD_KPARTX + " -a " + self.getDeviceName()
__ret = ComSystem.execLocalOutput(__cmd, True, "")
self.log.debug(__ret)
#FIXME: crappy fix to give os some time to create devicefiles.
time.sleep(10)
except ComSystem.ExecLocalException, ele:
ComLog.debugTraceLog(self.log)
self.log.debug("Could not execute %s. Error %s" %(ele.cmd, ele))
def initFromDisk(self):
""" reads partition information from the disk and fills up DOM
with new information
"""
HostDisk.log.debug("initFromDisk()")
#FIXME: create LabelResolver
if self.refByLabel():
pass
if not self.exists():
raise ComException("Device %s not found or no valid device!" % self.getDeviceName())
import ComParted
phelper=ComParted.getInstance()
for partition in phelper.initFromDisk(self.getDeviceName()):
self.addPartition(Partition(partition, self.getDocument()))
def __create_element_from_parted(self, part, doc):
import ComParted
element = doc.createElement(self.TAGNAME)
phelper = ComParted.getInstance()
# name
element.setAttribute("name", str(phelper.getPartNumber(part)))
# type
element.setAttribute("type", self.__name_of_part_type(phelper.getPartType(part)))
# size
element.setAttribute("size", str(phelper.getPartSize(part)))
# start
# element.setAttribute("start", str(part.geom.start))
# end
# element.setAttribute("end", str(part.geom.end))
# all flags
for flag in phelper.get_flags_as_string(part):
if flag and flag != "":
felem = PartitionFlag(doc.createElement("flag"), doc)
felem.setAttribute("name", flag)
element.appendChild(felem.getElement())
return element