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Commit 834f5d45 authored by Kelvin Zhang's avatar Kelvin Zhang
Browse files

Store EROFS images uncompressed 

Test: th
Change-Id: I53005bee139079afe25da231ca1d42f03fa010a5
parent 4f8f972a

tools/releasetools/add_img_to_target_files.py

+58 −19
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ import shutil 
import stat

import sys

import uuid

import tempfile

import zipfile



import build_image
@@ -104,9 +105,10 @@ class OutputFile(object): 
    if self._output_zip:

      self._zip_name = os.path.join(*args)



  def Write(self):

  def Write(self, compress_type=None):

    if self._output_zip:

      common.ZipWrite(self._output_zip, self.name, self._zip_name)

      common.ZipWrite(self._output_zip, self.name,

                      self._zip_name, compress_type=compress_type)





def AddSystem(output_zip, recovery_img=None, boot_img=None):
@@ -139,7 +141,8 @@ def AddSystem(output_zip, recovery_img=None, boot_img=None): 
    common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,

                             boot_img, info_dict=OPTIONS.info_dict)



  block_list = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "system.map")

  block_list = OutputFile(output_zip, OPTIONS.input_tmp,

                          "IMAGES", "system.map")

  CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "system", img,

              block_list=block_list)

  return img.name
@@ -187,7 +190,8 @@ def AddVendor(output_zip, recovery_img=None, boot_img=None): 
    common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,

                             boot_img, info_dict=OPTIONS.info_dict)



  block_list = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "vendor.map")

  block_list = OutputFile(output_zip, OPTIONS.input_tmp,

                          "IMAGES", "vendor.map")

  CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "vendor", img,

              block_list=block_list)

  return img.name
@@ -390,7 +394,8 @@ def AddCustomImages(output_zip, partition_name): 


  for img_name in OPTIONS.info_dict.get(

          "avb_{}_image_list".format(partition_name)).split():

    custom_image = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", img_name)

    custom_image = OutputFile(

        output_zip, OPTIONS.input_tmp, "IMAGES", img_name)

    if os.path.exists(custom_image.name):

      continue
@@ -499,7 +504,9 @@ def AddUserdata(output_zip): 
  build_image.BuildImage(user_dir, image_props, img.name)



  common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)

  img.Write()

  # Always use compression for useradata image.

  # As it's likely huge and consist of lots of 0s.

  img.Write(zipfile.ZIP_DEFLATED)





def AddVBMeta(output_zip, partitions, name, needed_partitions):
@@ -841,7 +848,8 @@ def AddImagesToTargetFiles(filename): 
    init_boot_image = common.GetBootableImage(

        "IMAGES/init_boot.img", "init_boot.img", OPTIONS.input_tmp, "INIT_BOOT")

    if init_boot_image:

      partitions['init_boot'] = os.path.join(OPTIONS.input_tmp, "IMAGES", "init_boot.img")

      partitions['init_boot'] = os.path.join(

          OPTIONS.input_tmp, "IMAGES", "init_boot.img")

      if not os.path.exists(partitions['init_boot']):

        init_boot_image.WriteToDir(OPTIONS.input_tmp)

        if output_zip:
@@ -1005,6 +1013,35 @@ def AddImagesToTargetFiles(filename): 
                          OPTIONS.replace_updated_files_list)





def OptimizeCompressedEntries(zipfile_path):

  """Convert files that do not compress well to uncompressed storage



  EROFS images tend to be compressed already, so compressing them again

  yields little space savings. Leaving them uncompressed will make

  downstream tooling's job easier, and save compute time.

  """

  if not zipfile.is_zipfile(zipfile_path):

    return

  entries_to_store = []

  with tempfile.TemporaryDirectory() as tmpdir:

    with zipfile.ZipFile(zipfile_path, "r", allowZip64=True) as zfp:

      for zinfo in zfp.filelist:

        if not zinfo.filename.startswith("IMAGES/") and not zinfo.filename.startswith("META"):

          pass

        # Don't try to store userdata.img uncompressed, it's usually huge.

        if zinfo.filename.endswith("userdata.img"):

          pass

        if zinfo.compress_size > zinfo.file_size * 0.80 and zinfo.compress_type != zipfile.ZIP_STORED:

          entries_to_store.append(zinfo)

          zfp.extract(zinfo, tmpdir)

    # Remove these entries, then re-add them as ZIP_STORED

    common.RunAndCheckOutput(

        ["zip", "-d", zipfile_path] + [entry.filename for entry in entries_to_store])

    with zipfile.ZipFile(zipfile_path, "a", allowZip64=True) as zfp:

      for entry in entries_to_store:

        zfp.write(os.path.join(tmpdir, entry.filename), entry.filename, compress_type=zipfile.ZIP_STORED)





def main(argv):

  def option_handler(o, a):

    if o in ("-a", "--add_missing"):
@@ -1036,8 +1073,10 @@ def main(argv): 
  common.InitLogging()



  AddImagesToTargetFiles(args[0])

  OptimizeCompressedEntries(args[0])

  logger.info("done.")





if __name__ == '__main__':

  try:

    common.CloseInheritedPipes()