Store EROFS images uncompressed
Test: th Change-Id: I53005bee139079afe25da231ca1d42f03fa010a5
This commit is contained in:
Kelvin Zhang
parent
4f8f972a5b
commit
834f5d458f
1 changed files with 58 additions and 19 deletions
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@ -54,6 +54,7 @@ import shutil
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import stat
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import sys
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import uuid
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import tempfile
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import zipfile
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import build_image
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@ -104,9 +105,10 @@ class OutputFile(object):
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if self._output_zip:
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self._zip_name = os.path.join(*args)
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def Write(self):
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def Write(self, compress_type=None):
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if self._output_zip:
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common.ZipWrite(self._output_zip, self.name, self._zip_name)
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common.ZipWrite(self._output_zip, self.name,
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self._zip_name, compress_type=compress_type)
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def AddSystem(output_zip, recovery_img=None, boot_img=None):
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@ -134,12 +136,13 @@ def AddSystem(output_zip, recovery_img=None, boot_img=None):
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"board_uses_vendorimage") == "true"
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if (OPTIONS.rebuild_recovery and not board_uses_vendorimage and
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recovery_img is not None and boot_img is not None):
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recovery_img is not None and boot_img is not None):
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logger.info("Building new recovery patch on system at system/vendor")
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common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,
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boot_img, info_dict=OPTIONS.info_dict)
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block_list = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "system.map")
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block_list = OutputFile(output_zip, OPTIONS.input_tmp,
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"IMAGES", "system.map")
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CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "system", img,
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block_list=block_list)
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return img.name
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@ -182,12 +185,13 @@ def AddVendor(output_zip, recovery_img=None, boot_img=None):
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"board_uses_vendorimage") == "true"
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if (OPTIONS.rebuild_recovery and board_uses_vendorimage and
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recovery_img is not None and boot_img is not None):
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recovery_img is not None and boot_img is not None):
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logger.info("Building new recovery patch on vendor")
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common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,
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boot_img, info_dict=OPTIONS.info_dict)
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block_list = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "vendor.map")
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block_list = OutputFile(output_zip, OPTIONS.input_tmp,
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"IMAGES", "vendor.map")
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CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "vendor", img,
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block_list=block_list)
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return img.name
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@ -389,15 +393,16 @@ def AddCustomImages(output_zip, partition_name):
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key_path, algorithm, extra_args)
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for img_name in OPTIONS.info_dict.get(
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"avb_{}_image_list".format(partition_name)).split():
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custom_image = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", img_name)
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"avb_{}_image_list".format(partition_name)).split():
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custom_image = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", img_name)
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if os.path.exists(custom_image.name):
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continue
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custom_image_prebuilt_path = os.path.join(
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OPTIONS.input_tmp, "PREBUILT_IMAGES", img_name)
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assert os.path.exists(custom_image_prebuilt_path), \
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"Failed to find %s at %s" % (img_name, custom_image_prebuilt_path)
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"Failed to find %s at %s" % (img_name, custom_image_prebuilt_path)
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shutil.copy(custom_image_prebuilt_path, custom_image.name)
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@ -499,7 +504,9 @@ def AddUserdata(output_zip):
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build_image.BuildImage(user_dir, image_props, img.name)
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common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
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img.Write()
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# Always use compression for useradata image.
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# As it's likely huge and consist of lots of 0s.
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img.Write(zipfile.ZIP_DEFLATED)
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def AddVBMeta(output_zip, partitions, name, needed_partitions):
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@ -696,11 +703,11 @@ def HasPartition(partition_name):
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return ((os.path.isdir(
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os.path.join(OPTIONS.input_tmp, partition_name.upper())) and
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OPTIONS.info_dict.get(
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"building_{}_image".format(partition_name)) == "true") or
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os.path.exists(
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os.path.join(OPTIONS.input_tmp, "IMAGES",
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"{}.img".format(partition_name))))
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OPTIONS.info_dict.get(
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"building_{}_image".format(partition_name)) == "true") or
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os.path.exists(
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os.path.join(OPTIONS.input_tmp, "IMAGES",
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"{}.img".format(partition_name))))
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def AddApexInfo(output_zip):
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@ -732,7 +739,7 @@ def AddVbmetaDigest(output_zip):
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boot_container = boot_images and (
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len(boot_images.split()) >= 2 or boot_images.split()[0] != 'boot.img')
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if (OPTIONS.info_dict.get("avb_enable") == "true" and not boot_container and
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OPTIONS.info_dict.get("avb_building_vbmeta_image") == "true"):
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OPTIONS.info_dict.get("avb_building_vbmeta_image") == "true"):
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avbtool = OPTIONS.info_dict["avb_avbtool"]
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digest = verity_utils.CalculateVbmetaDigest(OPTIONS.input_tmp, avbtool)
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vbmeta_digest_txt = os.path.join(OPTIONS.input_tmp, "META",
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@ -820,7 +827,7 @@ def AddImagesToTargetFiles(filename):
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boot_images = OPTIONS.info_dict.get("boot_images")
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if boot_images is None:
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boot_images = "boot.img"
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for index,b in enumerate(boot_images.split()):
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for index, b in enumerate(boot_images.split()):
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# common.GetBootableImage() returns the image directly if present.
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boot_image = common.GetBootableImage(
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"IMAGES/" + b, b, OPTIONS.input_tmp, "BOOT")
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@ -841,7 +848,8 @@ def AddImagesToTargetFiles(filename):
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init_boot_image = common.GetBootableImage(
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"IMAGES/init_boot.img", "init_boot.img", OPTIONS.input_tmp, "INIT_BOOT")
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if init_boot_image:
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partitions['init_boot'] = os.path.join(OPTIONS.input_tmp, "IMAGES", "init_boot.img")
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partitions['init_boot'] = os.path.join(
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OPTIONS.input_tmp, "IMAGES", "init_boot.img")
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if not os.path.exists(partitions['init_boot']):
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init_boot_image.WriteToDir(OPTIONS.input_tmp)
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if output_zip:
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@ -968,7 +976,7 @@ def AddImagesToTargetFiles(filename):
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if OPTIONS.info_dict.get("build_super_partition") == "true":
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if OPTIONS.info_dict.get(
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"build_retrofit_dynamic_partitions_ota_package") == "true":
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"build_retrofit_dynamic_partitions_ota_package") == "true":
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banner("super split images")
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AddSuperSplit(output_zip)
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@ -1005,6 +1013,35 @@ def AddImagesToTargetFiles(filename):
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OPTIONS.replace_updated_files_list)
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def OptimizeCompressedEntries(zipfile_path):
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"""Convert files that do not compress well to uncompressed storage
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EROFS images tend to be compressed already, so compressing them again
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yields little space savings. Leaving them uncompressed will make
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downstream tooling's job easier, and save compute time.
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"""
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if not zipfile.is_zipfile(zipfile_path):
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return
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entries_to_store = []
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with tempfile.TemporaryDirectory() as tmpdir:
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with zipfile.ZipFile(zipfile_path, "r", allowZip64=True) as zfp:
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for zinfo in zfp.filelist:
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if not zinfo.filename.startswith("IMAGES/") and not zinfo.filename.startswith("META"):
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pass
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# Don't try to store userdata.img uncompressed, it's usually huge.
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if zinfo.filename.endswith("userdata.img"):
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pass
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if zinfo.compress_size > zinfo.file_size * 0.80 and zinfo.compress_type != zipfile.ZIP_STORED:
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entries_to_store.append(zinfo)
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zfp.extract(zinfo, tmpdir)
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# Remove these entries, then re-add them as ZIP_STORED
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common.RunAndCheckOutput(
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["zip", "-d", zipfile_path] + [entry.filename for entry in entries_to_store])
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with zipfile.ZipFile(zipfile_path, "a", allowZip64=True) as zfp:
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for entry in entries_to_store:
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zfp.write(os.path.join(tmpdir, entry.filename), entry.filename, compress_type=zipfile.ZIP_STORED)
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def main(argv):
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def option_handler(o, a):
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if o in ("-a", "--add_missing"):
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@ -1036,8 +1073,10 @@ def main(argv):
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common.InitLogging()
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AddImagesToTargetFiles(args[0])
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OptimizeCompressedEntries(args[0])
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logger.info("done.")
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if __name__ == '__main__':
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try:
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common.CloseInheritedPipes()
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