class PartitionCopyObject(CopyObjectJournaled):
__logStrLevel__="comoonics.enterprisecopy.PartitionCopyObject"
logger=ComLog.getLogger(__logStrLevel__)
def __init__(self, element, doc):
CopyObjectJournaled.__init__(self, element, doc)
try:
__disk=element.getElementsByTagName('disk')[0]
self.disk=HostDisk(__disk, doc)
except Exception:
raise ComException("disk for copyset not defined")
self.addToUndoMap(self.disk.__class__.__name__, "savePartitionTable", "restorePartitionTable")
self.addToUndoMap(self.disk.__class__.__name__, "noPartitionTable", "deletePartitionTable")
# We need to have the tempfile globlally available because of it deleteing itself when not
# referenced anymore.
import tempfile
self.__tmp=tempfile.NamedTemporaryFile()
def prepareAsSource(self):
for journal_command in self.disk.resolveDeviceName():
self.journal(self.disk, journal_command)
self.disk.initFromDisk()
def prepareAsDest(self):
for journal_command in self.disk.resolveDeviceName():
self.journal(self.disk, journal_command)
getattr(self.disk, journal_command)()
def cleanupSource(self):
self.commitJournal()
def cleanupDest(self):
if self.disk.hasPartitionTable():
self.disk.savePartitionTable(self.__tmp.name)
self.journal(self.disk, "savePartitionTable", self.__tmp.name)
else:
self.journal(self.disk, "noPartitionTable")
# if disk already contians LVM configuration remove it
pvs=list()
from comoonics.storage.ComLVM import PhysicalVolume, LinuxVolumeManager
try:
pv=PhysicalVolume(self.disk.getAttribute("name"), self.getDocument())
pv.init_from_disk()
pvs.append(pv)
except LinuxVolumeManager.LVMCommandException:
try:
for partition in self.disk.getAllPartitions():
pv=PhysicalVolume(self.disk.getDeviceName()+self.disk.getPartitionDelim()+partition.getAttribute("name"), self.getDocument())
pv.init_from_disk()
pvs.append(pv)
except LinuxVolumeManager.LVMCommandException:
ComLog.debugTraceLog(self.logger)
if not pvs or len(pvs)==0:
self.log.debug("Could not find LVM physical volume on device %s. OK." %self.disk.getAttribute("name"))
for pv in pvs:
try:
for lv in LinuxVolumeManager.lvlist(pv.parentvg):
lv.remove()
pv.parentvg.remove()
pv.remove()
except LinuxVolumeManager.LVMCommandException:
ComLog.debugTraceLog(self.logger)
self.log.info("Could not remove LVM configuration from device %s. Will continue nevertheless." %pv.getAttribute("name"))
self.disk.createPartitions()
self.disk.restore()
def getMetaData(self):
''' returns the metadata element '''
return self.disk.getElement()
def updateMetaData(self, element):
''' updates meta data information '''
self.disk.updateChildrenWithPK(HostDisk(element, None))
