def create_image(self):
""" """
device = Device(self.device_path)
disk = Disk(device)
if device.is_disk():
mbr = Mbr(self.target_path)
mbr.save_to_file(self.device_path)
dlm = DiskLayoutManager(self.target_path)
dlm.save_to_file(disk)
partition_list = disk.get_valid_partitions()
total_bytes = 0
for p in partition_list:
total_bytes += p.filesystem.get_used_size()
total_blocks = long(math.ceil(total_bytes/float(BLOCK_SIZE)))
self._print_informations(total_bytes)
information = Information(self.target_path)
information.set_image_is_disk(device.is_disk())
information.set_image_name(self.image_name)
information.set_image_total_bytes(total_bytes)
information.set_image_compressor_level(self.compressor_level)
compressor = Compressor(self.compressor_level)
progress = Progress(total_blocks)
progress.start()
for p in partition_list:
number = p.get_number()
uuid = p.filesystem.uuid()
type = p.filesystem.type
information.add_partition(number, uuid, type)
p.filesystem.open_to_read()
file_name = FILE_PATTERN % (self.image_name, number)
with open(self.target_path + file_name, 'wb') as f:
# TODO: Work with parallelism
while True: # Ugly
data = p.filesystem.read(BLOCK_SIZE)
if not len(data):
break
cdata = compressor.compact(data)
f.write(cdata)
progress.increment(1)
p.filesystem.close()
swap = disk.get_swap_partition()
if swap is not None:
number = swap.get_number()
uuid = swap.filesystem.uuid()
type = swap.filesystem.type
information.add_partition(number, uuid, type)
information.save()
progress.stop()
print "completed."
def create_image(self):
""" """
if is_mounted(self.device_path):
raise DeviceIsMounted("Please umount first")
self.active = True
device = Device(self.device_path)
disk = Disk(device)
if device.is_disk():
mbr = Mbr(self.target_path)
mbr.save_to_file(self.device_path)
dlm = DiskLayoutManager(self.target_path)
dlm.save_to_file(disk)
partition_list = disk.get_valid_partitions(self.raw)
if not partition_list:
raise ErrorCreatingImage("Partition(s) hasn't a " +\
"valid filesystem")
# check partitions filesystem
if not self.raw:
for part in partition_list:
log.info("Checking filesystem of {0}".format(part.get_path()))
self.notify_status("checking_filesystem",
{"device": part.get_path()})
if not part.filesystem.check():
log.error("{0} Filesystem is not clean".\
format(part.get_path()))
raise ErrorCreatingImage("{0} Filesystem is not clean".\
format(part.get_path()))
# fill partitions with zeroes
if self.raw and self.fill_with_zeros:
for part in partition_list:
log.info("{0} Filling with zeros".format(part.get_path()))
self.notify_status("filling_with_zeros", {"device":
part.get_path()})
part.filesystem.fill_with_zeros()
# get total size
total_bytes = 0
for part in partition_list:
total_bytes += part.filesystem.get_used_size()
self.total_blocks = long(math.ceil(total_bytes/float(BLOCK_SIZE)))
information = Information(self.target_path)
information.set_image_is_disk(device.is_disk())
information.set_image_name(self.image_name)
information.set_image_compressor_level(self.compressor_level)
# TODO: Abstract this whole part, when creating isos,
# splitting in files, etc...
self.timer.start()
remaining_size = self.split_size
if self.create_iso:
remaining_size -= BASE_SYSTEM_SIZE
slices = dict() # Used when creating iso
iso_volume = 1 # Used when creating iso
for part in partition_list:
if not self.active: break
log.info("Creating image of {0}".format(part.get_path()))
number = part.get_number()
uuid = part.filesystem.uuid()
label = part.filesystem.read_label()
type = part.filesystem.type
part.filesystem.open_to_read()
compact_callback = None
if self.compressor_level:
compressor = Compressor(self.compressor_level)
compact_callback = compressor.compact
self.buffer_manager = BufferManagerFactory(
part.filesystem.read_block,
compact_callback)
self.buffer_manager.start()
buffer = self.buffer_manager.output_buffer
volumes = 1
while self.active:
total_written = 0 # Used to help splitting the file
pattern = FILE_PATTERN.format(name=self.image_name,
partition=number,
volume=volumes)
file_path = self.target_path + pattern
fd = open(file_path, "wb")
next_partition = False
while self.active:
try:
data = buffer.get()
except IOError, e:
if e.errno == errno.EINTR:
self.cancel()
break
if data == EOF:
next_partition = True
if self.create_iso:
remaining_size -= total_written
if not slices.has_key(iso_volume):
slices[iso_volume] = list()
slices[iso_volume].append(file_path)
break
fd.write(data)
self.processed_blocks += 1
if self.split_size:
bytes_written = len(data)
total_written += bytes_written
if (total_written + bytes_written) >= remaining_size:
volumes += 1
remaining_size = self.split_size
if self.create_iso:
if not slices.has_key(iso_volume):
slices[iso_volume] = list()
slices[iso_volume].append(file_path)
iso_volume += 1
break
fd.close()
if next_partition: break
self.buffer_manager.join()
part.filesystem.close()
information.add_partition(number, type, volumes,
part.filesystem.get_used_size(),
uuid, label)
def create_image(self):
""" """
device = Device(self.device_path)
disk = Disk(device)
if device.is_disk():
mbr = Mbr(self.target_path)
mbr.save_to_file(self.device_path)
dlm = DiskLayoutManager(self.target_path)
dlm.save_to_file(disk)
partition_list = disk.get_valid_partitions(self.raw)
# check partitions filesystem
if not self.raw:
for part in partition_list:
if not part.filesystem.check():
raise ErrorCreatingImage("(%s) Filesystem is not clean" % part.path)
# get total size
total_bytes = 0
for part in partition_list:
total_bytes += part.filesystem.get_used_size()
total_blocks = long(math.ceil(total_bytes/float(BLOCK_SIZE)))
self._print_informations(total_bytes)
information = Information(self.target_path)
information.set_image_is_disk(device.is_disk())
information.set_image_name(self.image_name)
information.set_image_total_bytes(total_bytes)
information.set_image_compressor_level(self.compressor_level)
progress = Progress(total_blocks)
progress.start()
for part in partition_list:
number = part.get_number()
uuid = part.filesystem.uuid()
type = part.filesystem.type
part.filesystem.open_to_read()
split_volume = 1
while True:
file_name = FILE_PATTERN % (self.image_name, number, split_volume)
file_path = self.target_path + file_name
writer = WriterFactory(file_path, self.compressor_level)
writer.open()
next_partition = False
total_written = 0
while True:
data = part.filesystem.read(BLOCK_SIZE)
if not len(data):
next_partition = True
break
bytes_written = writer.write(data)
total_written += bytes_written
progress.increment(1)
if self.split_size:
if (total_written + bytes_written) / 1024 / 1024 >= self.split_size:
break
writer.close()
if next_partition: break
split_volume += 1
part.filesystem.close()
information.add_partition(number, uuid, type, split_volume)
swap = disk.get_swap_partition()
if swap is not None:
number = swap.get_number()
uuid = swap.filesystem.uuid()
type = swap.filesystem.type
information.add_partition(number, uuid, type, 0)
information.save()
progress.stop()
print "completed."
def create_image(self):
""" """
if is_mounted(self.device_path):
log.error("The partition {0} is mounted, please umount first, and try again".format(self.device_path))
self.notify_status("mounted_partition_error",{"mounted_partition_error":self.device_path})
raise DeviceIsMounted("Please umount first")
self.active = True
device = Device(self.device_path)
disk = Disk(device)
if device.is_disk():
try:
mbr = Mbr(self.target_path)
mbr.save_to_file(self.device_path)
dlm = DiskLayoutManager(self.target_path)
dlm.save_to_file(disk)
except Exception as e:
log.info(e)
self.notify_status("write_error", \
{"write_error":self.target_path})
raise ErrorWritingToDevice("Write error in {0}".format(self.target_path))
partition_list = disk.get_valid_partitions(self.raw)
if not partition_list:
raise ErrorCreatingImage("Partition(s) hasn't a " +\
"valid filesystem")
# check partitions filesystem
if not self.raw:
for part in partition_list:
log.info("Checking filesystem of {0}".format(part.get_path()))
self.notify_status("checking_filesystem",
{"device": part.get_path()})
if not part.filesystem.check():
log.error("{0} Filesystem is not clean".\
format(part.get_path()))
raise ErrorCreatingImage("{0} Filesystem is not clean".\
format(part.get_path()))
# fill partitions with zeroes
if self.raw and self.fill_with_zeros:
for part in partition_list:
log.info("{0} Filling with zeros".format(part.get_path()))
self.notify_status("filling_with_zeros", {"device":
part.get_path()})
part.filesystem.fill_with_zeros()
# get total size
total_bytes = 0
for part in partition_list:
total_bytes += part.filesystem.get_used_size()
self.total_blocks = long(math.ceil(total_bytes/float(BLOCK_SIZE)))
information = Information(self.target_path)
information.set_image_is_disk(device.is_disk())
information.set_image_name(self.image_name)
information.set_image_compressor_level(self.compressor_level)
if device.is_disk():
disk_info = DiskInfo()
disk_dict = disk_info.formated_disk(self.device_path)
information.set_disk_size(disk_dict["size"])
# TODO: Abstract this whole part, when creating isos,
# splitting in files, etc...
self.timer.start()
remaining_size = self.split_size
if self.create_iso:
remaining_size -= BASE_SYSTEM_SIZE
slices = dict() # Used when creating iso
iso_volume = 1 # Used when creating iso
for part in partition_list:
if not self.active: break
log.info("Creating image of {0}".format(part.get_path()))
self.notify_status("image_creator", \
{"image_creator ": part.get_path()})
number = part.get_number()
uuid = part.filesystem.uuid()
label = part.filesystem.read_label()
type = part.filesystem.type
part.filesystem.open_to_read()
#check if partclone is running
if type in ("ext2","ext3","ext4"):
self.partclone_stderr = part.filesystem.get_error_ext()
compact_callback = None
if self.compressor_level:
compressor = Compressor(self.compressor_level)
compact_callback = compressor.compact
self.buffer_manager = BufferManagerFactory(
part.filesystem.read_block,
self.notify_status,
compact_callback)
self.buffer_manager.start()
buffer = self.buffer_manager.output_buffer
volumes = 1
while self.active:
total_written = 0 # Used to help splitting the file
pattern = FILE_PATTERN.format(name=self.image_name,
partition=number,
volume=volumes)
file_path = self.target_path + pattern
try:
fd = open(file_path, "wb")
except Exception as e:
log.info(e)
self.notify_status("open_file", \
{"open_file":file_path})
raise ImageNotFound("The file wasn't found {0}". \
format(file_path))
next_partition = False
while self.active:
try:
data = buffer.get()
except IOError, e:
#self.notify_status("read_buffer_error", \
# {"read_buffer_error":str(e)})
if e.errno == errno.EINTR:
self.notify_status("read_buffer_error", \
{"read_buffer_error":str(e)})
data = ""
self.cancel()
raise ErrorReadingFromDevice(e)
break
if data == EOF:
if (self.partclone_stderr != None):
self.data_is_eof = True
while self.partclone_sucess == False:
pass
self.partclone_stderr = None
self.partclone_sucess = False
self.data_is_eof = False
next_partition = True
if self.create_iso:
remaining_size -= total_written
if not slices.has_key(iso_volume):
slices[iso_volume] = list()
slices[iso_volume].append(file_path)
break
try:
fd.write(data)
except Exception as e:
log.info("{0}".format(e))
self.notify_status("disk_full")
self.cancel()
raise ErrorWritingToDevice("Error in write file {0}".\
format(file_path))
self.processed_blocks += 1
if self.split_size:
bytes_written = len(data)
total_written += bytes_written
if (total_written + bytes_written) >= remaining_size:
volumes += 1
remaining_size = self.split_size
if self.create_iso:
if not slices.has_key(iso_volume):
slices[iso_volume] = list()
slices[iso_volume].append(file_path)
iso_volume += 1
break
try:
fd.close()
except Exception as e:
log.info(e)
self.notify_status("write_error",{"write_error":e})
raise ErrorCloseToWrite("Close Error {0}".format(e))
if next_partition: break
self.buffer_manager.join()
part.filesystem.close()
information.add_partition(number, type, volumes,
part.filesystem.get_used_size(),
uuid, label)
