Ejemplo n.º 1
0
   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))
Ejemplo n.º 4
0
   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