- if self.guestfs_enabled:
- self.g.umount_all()
- self.g.sync()
-
- # Close the guestfs handler if open
- self.g.close()
-
- def progress_callback(self, ev, eh, buf, array):
- position = array[2]
- total = array[3]
-
- self.progressbar.send((position * 100) // total)
-
- if position == total:
- self.progressbar = None
-
- def mount(self):
- """Mount all disk partitions in a correct order."""
- mps = self.g.inspect_get_mountpoints(self.root)
-
- # Sort the keys to mount the fs in a correct order.
- # / should be mounted befor /boot, etc
- def compare(a, b):
- if len(a[0]) > len(b[0]):
- return 1
- elif len(a[0]) == len(b[0]):
- return 0
- else:
- return -1
- mps.sort(compare)
- for mp, dev in mps:
- try:
- self.g.mount(dev, mp)
- except RuntimeError as msg:
- print "%s (ignored)" % msg
-
- def umount(self):
- """Umount all mounted filesystems."""
- self.g.umount_all()
-
- def shrink(self):
- """Shrink the disk.
-
- This is accomplished by shrinking the last filesystem in the
- disk and then updating the partition table. The new disk size
- (in bytes) is returned.
- """
- puts("Shrinking image (this may take a while)...", False)
- sys.stdout.flush()
-
- dev = self.g.part_to_dev(self.root)
- parttype = self.g.part_get_parttype(dev)
- if parttype != 'msdos':
- raise FatalError("You have a %s partition table. "
- "Only msdos partitions are supported" % parttype)
-
- last_partition = self.g.part_list(dev)[-1]
-
- if last_partition['part_num'] > 4:
- raise FatalError("This disk contains logical partitions. "
- "Only primary partitions are supported.")
-
- part_dev = "%s%d" % (dev, last_partition['part_num'])
- fs_type = self.g.vfs_type(part_dev)
- if not re.match("ext[234]", fs_type):
- warn("Don't know how to resize %s partitions." % vfs_type)
- return
-
- self.g.e2fsck_f(part_dev)
- self.g.resize2fs_M(part_dev)
-
- output = self.g.tune2fs_l(part_dev)
- block_size = int(
- filter(lambda x: x[0] == 'Block size', output)[0][1])
- block_cnt = int(
- filter(lambda x: x[0] == 'Block count', output)[0][1])
-
- sector_size = self.g.blockdev_getss(dev)
-
- start = last_partition['part_start'] / sector_size
- end = start + (block_size * block_cnt) / sector_size - 1
-
- self.g.part_del(dev, last_partition['part_num'])
- self.g.part_add(dev, 'p', start, end)
-
- new_size = (end + 1) * sector_size
- success("new image size is %dMB" %
- ((new_size + 2 ** 20 - 1) // 2 ** 20))
- return new_size
-
- def size(self):
- """Returns the "payload" size of the device.
-
- The size returned by this method is the size of the space occupied by
- the partitions (including the space before the first partition).