Merge "Revert "Generate care map after merging target_files"" am: 25444470db am: d32fe918bd

Original change: https://android-review.googlesource.com/c/platform/build/+/1663821

Change-Id: I2cba120d9b8d17a39306ae57f58be36d45378b33
This commit is contained in:
Daniel Norman 2021-04-06 00:00:45 +00:00 committed by Automerger Merge Worker
commit fff34be7d6
4 changed files with 162 additions and 188 deletions

View file

@ -59,11 +59,12 @@ import zipfile
import build_image
import build_super_image
import common
import rangelib
import sparse_img
import verity_utils
import ota_metadata_pb2
from apex_utils import GetSystemApexInfoFromTargetFiles
from common import AddCareMapForAbOta
if sys.hexversion < 0x02070000:
print("Python 2.7 or newer is required.", file=sys.stderr)
@ -109,6 +110,45 @@ class OutputFile(object):
common.ZipWrite(self._output_zip, self.name, self._zip_name)
def GetCareMap(which, imgname):
"""Returns the care_map string for the given partition.
Args:
which: The partition name, must be listed in PARTITIONS_WITH_CARE_MAP.
imgname: The filename of the image.
Returns:
(which, care_map_ranges): care_map_ranges is the raw string of the care_map
RangeSet; or None.
"""
assert which in common.PARTITIONS_WITH_CARE_MAP
# which + "_image_size" contains the size that the actual filesystem image
# resides in, which is all that needs to be verified. The additional blocks in
# the image file contain verity metadata, by reading which would trigger
# invalid reads.
image_size = OPTIONS.info_dict.get(which + "_image_size")
if not image_size:
return None
image_blocks = int(image_size) // 4096 - 1
assert image_blocks > 0, "blocks for {} must be positive".format(which)
# For sparse images, we will only check the blocks that are listed in the care
# map, i.e. the ones with meaningful data.
if "extfs_sparse_flag" in OPTIONS.info_dict:
simg = sparse_img.SparseImage(imgname)
care_map_ranges = simg.care_map.intersect(
rangelib.RangeSet("0-{}".format(image_blocks)))
# Otherwise for non-sparse images, we read all the blocks in the filesystem
# image.
else:
care_map_ranges = rangelib.RangeSet("0-{}".format(image_blocks))
return [which, care_map_ranges.to_string_raw()]
def AddSystem(output_zip, recovery_img=None, boot_img=None):
"""Turn the contents of SYSTEM into a system image and store it in
output_zip. Returns the name of the system image file."""
@ -139,8 +179,7 @@ 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
@ -188,8 +227,7 @@ 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
@ -261,7 +299,6 @@ def AddVendorDlkm(output_zip):
block_list=block_list)
return img.name
def AddOdmDlkm(output_zip):
"""Turn the contents of OdmDlkm into an odm_dlkm image and store it in output_zip."""
@ -313,7 +350,6 @@ def AddDtbo(output_zip):
img.Write()
return img.name
def AddPvmfw(output_zip):
"""Adds the pvmfw image.
@ -349,7 +385,6 @@ def AddPvmfw(output_zip):
img.Write()
return img.name
def AddCustomImages(output_zip, partition_name):
"""Adds and signs custom images in IMAGES/.
@ -379,8 +414,7 @@ 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
@ -610,6 +644,72 @@ def CheckAbOtaImages(output_zip, ab_partitions):
assert available, "Failed to find " + img_name
def AddCareMapForAbOta(output_zip, ab_partitions, image_paths):
"""Generates and adds care_map.pb for a/b partition that has care_map.
Args:
output_zip: The output zip file (needs to be already open), or None to
write care_map.pb to OPTIONS.input_tmp/.
ab_partitions: The list of A/B partitions.
image_paths: A map from the partition name to the image path.
"""
care_map_list = []
for partition in ab_partitions:
partition = partition.strip()
if partition not in common.PARTITIONS_WITH_CARE_MAP:
continue
verity_block_device = "{}_verity_block_device".format(partition)
avb_hashtree_enable = "avb_{}_hashtree_enable".format(partition)
if (verity_block_device in OPTIONS.info_dict or
OPTIONS.info_dict.get(avb_hashtree_enable) == "true"):
image_path = image_paths[partition]
assert os.path.exists(image_path)
care_map = GetCareMap(partition, image_path)
if not care_map:
continue
care_map_list += care_map
# adds fingerprint field to the care_map
# TODO(xunchang) revisit the fingerprint calculation for care_map.
partition_props = OPTIONS.info_dict.get(partition + ".build.prop")
prop_name_list = ["ro.{}.build.fingerprint".format(partition),
"ro.{}.build.thumbprint".format(partition)]
present_props = [x for x in prop_name_list if
partition_props and partition_props.GetProp(x)]
if not present_props:
logger.warning("fingerprint is not present for partition %s", partition)
property_id, fingerprint = "unknown", "unknown"
else:
property_id = present_props[0]
fingerprint = partition_props.GetProp(property_id)
care_map_list += [property_id, fingerprint]
if not care_map_list:
return
# Converts the list into proto buf message by calling care_map_generator; and
# writes the result to a temp file.
temp_care_map_text = common.MakeTempFile(prefix="caremap_text-",
suffix=".txt")
with open(temp_care_map_text, 'w') as text_file:
text_file.write('\n'.join(care_map_list))
temp_care_map = common.MakeTempFile(prefix="caremap-", suffix=".pb")
care_map_gen_cmd = ["care_map_generator", temp_care_map_text, temp_care_map]
common.RunAndCheckOutput(care_map_gen_cmd)
care_map_path = "META/care_map.pb"
if output_zip and care_map_path not in output_zip.namelist():
common.ZipWrite(output_zip, temp_care_map, arcname=care_map_path)
else:
shutil.copy(temp_care_map, os.path.join(OPTIONS.input_tmp, care_map_path))
if output_zip:
OPTIONS.replace_updated_files_list.append(care_map_path)
def AddPackRadioImages(output_zip, images):
"""Copies images listed in META/pack_radioimages.txt from RADIO/ to IMAGES/.
@ -691,7 +791,6 @@ def HasPartition(partition_name):
os.path.join(OPTIONS.input_tmp, "IMAGES",
"{}.img".format(partition_name))))
def AddApexInfo(output_zip):
apex_infos = GetSystemApexInfoFromTargetFiles(OPTIONS.input_tmp)
apex_metadata_proto = ota_metadata_pb2.ApexMetadata()
@ -1000,7 +1099,6 @@ def main(argv):
AddImagesToTargetFiles(args[0])
logger.info("done.")
if __name__ == '__main__':
try:
common.CloseInheritedPipes()

View file

@ -41,7 +41,6 @@ import zipfile
from hashlib import sha1, sha256
import images
import rangelib
import sparse_img
from blockimgdiff import BlockImageDiff
@ -138,7 +137,6 @@ PARTITIONS_WITH_BUILD_PROP = PARTITIONS_WITH_CARE_MAP + ['boot']
# existing search paths.
RAMDISK_BUILD_PROP_REL_PATHS = ['system/etc/ramdisk/build.prop']
class ErrorCode(object):
"""Define error_codes for failures that happen during the actual
update package installation.
@ -227,7 +225,6 @@ def InitLogging():
def SetHostToolLocation(tool_name, location):
OPTIONS.host_tools[tool_name] = location
def FindHostToolPath(tool_name):
"""Finds the path to the host tool.
@ -248,7 +245,6 @@ def FindHostToolPath(tool_name):
return tool_name
def Run(args, verbose=None, **kwargs):
"""Creates and returns a subprocess.Popen object.
@ -780,8 +776,7 @@ def LoadInfoDict(input_file, repacking=False):
for partition in PARTITIONS_WITH_BUILD_PROP:
fingerprint = build_info.GetPartitionFingerprint(partition)
if fingerprint:
d["avb_{}_salt".format(partition)] = sha256(
fingerprint.encode()).hexdigest()
d["avb_{}_salt".format(partition)] = sha256(fingerprint.encode()).hexdigest()
try:
d["ab_partitions"] = read_helper("META/ab_partitions.txt").split("\n")
except KeyError:
@ -789,6 +784,7 @@ def LoadInfoDict(input_file, repacking=False):
return d
def LoadListFromFile(file_path):
with open(file_path) as f:
return f.read().splitlines()
@ -1748,19 +1744,15 @@ def _BuildVendorBootImage(sourcedir, info_dict=None):
if os.access(fn, os.F_OK):
ramdisk_fragments = shlex.split(open(fn).read().rstrip("\n"))
for ramdisk_fragment in ramdisk_fragments:
fn = os.path.join(sourcedir, "RAMDISK_FRAGMENTS",
ramdisk_fragment, "mkbootimg_args")
fn = os.path.join(sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment, "mkbootimg_args")
cmd.extend(shlex.split(open(fn).read().rstrip("\n")))
fn = os.path.join(sourcedir, "RAMDISK_FRAGMENTS",
ramdisk_fragment, "prebuilt_ramdisk")
fn = os.path.join(sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment, "prebuilt_ramdisk")
# Use prebuilt image if found, else create ramdisk from supplied files.
if os.access(fn, os.F_OK):
ramdisk_fragment_pathname = fn
else:
ramdisk_fragment_root = os.path.join(
sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment)
ramdisk_fragment_img = _MakeRamdisk(
ramdisk_fragment_root, lz4_ramdisks=use_lz4)
ramdisk_fragment_root = os.path.join(sourcedir, "RAMDISK_FRAGMENTS", ramdisk_fragment)
ramdisk_fragment_img = _MakeRamdisk(ramdisk_fragment_root, lz4_ramdisks=use_lz4)
ramdisk_fragment_imgs.append(ramdisk_fragment_img)
ramdisk_fragment_pathname = ramdisk_fragment_img.name
cmd.extend(["--vendor_ramdisk_fragment", ramdisk_fragment_pathname])
@ -3691,8 +3683,7 @@ def GetBootImageBuildProp(boot_img, ramdisk_format=RamdiskFormat.LZ4):
"""
tmp_dir = MakeTempDir('boot_', suffix='.img')
try:
RunAndCheckOutput(['unpack_bootimg', '--boot_img',
boot_img, '--out', tmp_dir])
RunAndCheckOutput(['unpack_bootimg', '--boot_img', boot_img, '--out', tmp_dir])
ramdisk = os.path.join(tmp_dir, 'ramdisk')
if not os.path.isfile(ramdisk):
logger.warning('Unable to get boot image timestamp: no ramdisk in boot')
@ -3720,8 +3711,7 @@ def GetBootImageBuildProp(boot_img, ramdisk_format=RamdiskFormat.LZ4):
prop_file = os.path.join(extracted_ramdisk, search_path)
if os.path.isfile(prop_file):
return prop_file
logger.warning(
'Unable to get boot image timestamp: no %s in ramdisk', search_path)
logger.warning('Unable to get boot image timestamp: no %s in ramdisk', search_path)
return None
@ -3754,116 +3744,9 @@ def GetBootImageTimestamp(boot_img):
timestamp = props.GetProp('ro.bootimage.build.date.utc')
if timestamp:
return int(timestamp)
logger.warning(
'Unable to get boot image timestamp: ro.bootimage.build.date.utc is undefined')
logger.warning('Unable to get boot image timestamp: ro.bootimage.build.date.utc is undefined')
return None
except ExternalError as e:
logger.warning('Unable to get boot image timestamp: %s', e)
return None
def GetCareMap(which, imgname):
"""Returns the care_map string for the given partition.
Args:
which: The partition name, must be listed in PARTITIONS_WITH_CARE_MAP.
imgname: The filename of the image.
Returns:
(which, care_map_ranges): care_map_ranges is the raw string of the care_map
RangeSet; or None.
"""
assert which in PARTITIONS_WITH_CARE_MAP
# which + "_image_size" contains the size that the actual filesystem image
# resides in, which is all that needs to be verified. The additional blocks in
# the image file contain verity metadata, by reading which would trigger
# invalid reads.
image_size = OPTIONS.info_dict.get(which + "_image_size")
if not image_size:
return None
image_blocks = int(image_size) // 4096 - 1
assert image_blocks > 0, "blocks for {} must be positive".format(which)
# For sparse images, we will only check the blocks that are listed in the care
# map, i.e. the ones with meaningful data.
if "extfs_sparse_flag" in OPTIONS.info_dict:
simg = sparse_img.SparseImage(imgname)
care_map_ranges = simg.care_map.intersect(
rangelib.RangeSet("0-{}".format(image_blocks)))
# Otherwise for non-sparse images, we read all the blocks in the filesystem
# image.
else:
care_map_ranges = rangelib.RangeSet("0-{}".format(image_blocks))
return [which, care_map_ranges.to_string_raw()]
def AddCareMapForAbOta(output_zip, ab_partitions, image_paths):
"""Generates and adds care_map.pb for a/b partition that has care_map.
Args:
output_zip: The output zip file (needs to be already open), or None to
write care_map.pb to OPTIONS.input_tmp/.
ab_partitions: The list of A/B partitions.
image_paths: A map from the partition name to the image path.
"""
care_map_list = []
for partition in ab_partitions:
partition = partition.strip()
if partition not in PARTITIONS_WITH_CARE_MAP:
continue
verity_block_device = "{}_verity_block_device".format(partition)
avb_hashtree_enable = "avb_{}_hashtree_enable".format(partition)
if (verity_block_device in OPTIONS.info_dict or
OPTIONS.info_dict.get(avb_hashtree_enable) == "true"):
image_path = image_paths[partition]
assert os.path.exists(image_path)
care_map = GetCareMap(partition, image_path)
if not care_map:
continue
care_map_list += care_map
# adds fingerprint field to the care_map
# TODO(xunchang) revisit the fingerprint calculation for care_map.
partition_props = OPTIONS.info_dict.get(partition + ".build.prop")
prop_name_list = ["ro.{}.build.fingerprint".format(partition),
"ro.{}.build.thumbprint".format(partition)]
present_props = [x for x in prop_name_list if
partition_props and partition_props.GetProp(x)]
if not present_props:
logger.warning(
"fingerprint is not present for partition %s", partition)
property_id, fingerprint = "unknown", "unknown"
else:
property_id = present_props[0]
fingerprint = partition_props.GetProp(property_id)
care_map_list += [property_id, fingerprint]
if not care_map_list:
return
# Converts the list into proto buf message by calling care_map_generator; and
# writes the result to a temp file.
temp_care_map_text = MakeTempFile(prefix="caremap_text-",
suffix=".txt")
with open(temp_care_map_text, 'w') as text_file:
text_file.write('\n'.join(care_map_list))
temp_care_map = MakeTempFile(prefix="caremap-", suffix=".pb")
care_map_gen_cmd = ["care_map_generator", temp_care_map_text, temp_care_map]
RunAndCheckOutput(care_map_gen_cmd)
care_map_path = "META/care_map.pb"
if output_zip and care_map_path not in output_zip.namelist():
ZipWrite(output_zip, temp_care_map, arcname=care_map_path)
else:
shutil.copy(temp_care_map, os.path.join(OPTIONS.input_tmp, care_map_path))
if output_zip:
OPTIONS.replace_updated_files_list.append(care_map_path)

View file

@ -103,8 +103,6 @@ import img_from_target_files
import find_shareduid_violation
import ota_from_target_files
from common import AddCareMapForAbOta, ExternalError, PARTITIONS_WITH_CARE_MAP
logger = logging.getLogger(__name__)
OPTIONS = common.OPTIONS
@ -1094,8 +1092,6 @@ def merge_target_files(temp_dir, framework_target_files, framework_item_list,
temp_dir)
# Create the IMG package from the merged target files package.
with zipfile.ZipFile(output_zip, allowZip64=True) as zfp:
AddCareMapForAbOta(zfp, PARTITIONS_WITH_CARE_MAP, partition_map)
if output_img:
img_from_target_files.main([output_zip, output_img])
@ -1168,8 +1164,7 @@ def main():
elif o == '--vendor-target-files':
OPTIONS.vendor_target_files = a
elif o == '--other-item-list':
logger.warning(
'--other-item-list has been renamed to --vendor-item-list')
logger.warning('--other-item-list has been renamed to --vendor-item-list')
OPTIONS.vendor_item_list = a
elif o == '--vendor-item-list':
OPTIONS.vendor_item_list = a

View file

@ -21,10 +21,9 @@ import zipfile
import common
import test_utils
from add_img_to_target_files import (
AddPackRadioImages,
AddCareMapForAbOta, AddPackRadioImages,
CheckAbOtaImages, GetCareMap)
from rangelib import RangeSet
from common import AddCareMapForAbOta
OPTIONS = common.OPTIONS
@ -255,8 +254,7 @@ class AddImagesToTargetFilesTest(test_utils.ReleaseToolsTestCase):
care_map_file = os.path.join(OPTIONS.input_tmp, 'META', 'care_map.pb')
expected = ['system', RangeSet("0-5 10-15").to_string_raw(), "unknown",
"unknown", 'vendor', RangeSet(
"0-9").to_string_raw(), "unknown",
"unknown", 'vendor', RangeSet("0-9").to_string_raw(), "unknown",
"unknown"]
self._verifyCareMap(expected, care_map_file)