0ee1ede25a
Include the image and kernel size limitations defined for each device to the device metadata JSON. These informations are only added if defined. Signed-off-by: David Bauer <mail@david-bauer.net>
110 lines
3.2 KiB
Python
Executable File
110 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python3
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from os import getenv, path
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from pathlib import Path
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from sys import argv
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import hashlib
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import json
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if len(argv) != 2:
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print("ERROR: JSON info script requires output arg")
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exit(1)
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json_path = Path(argv[1])
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file_path = Path(getenv("FILE_DIR")) / getenv("FILE_NAME")
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if not file_path.is_file():
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print("Skip JSON creation for non existing file", file_path)
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exit(0)
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def get_titles():
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titles = []
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for prefix in ["", "ALT0_", "ALT1_", "ALT2_", "ALT3_", "ALT4_", "ALT5_"]:
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title = {}
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for var in ["vendor", "model", "variant"]:
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if getenv("DEVICE_{}{}".format(prefix, var.upper())):
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title[var] = getenv("DEVICE_{}{}".format(prefix, var.upper()))
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if title:
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titles.append(title)
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if not titles:
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titles.append({"title": getenv("DEVICE_TITLE")})
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return titles
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def get_numerical_size(image_size):
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if image_size.endswith("g"):
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return int(image_size[:-1]) * 1024 * 1024 * 1024
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elif image_size.endswith("m"):
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return int(image_size[:-1]) * 1024 * 1024
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elif image_size.endswith("k"):
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return int(image_size[:-1]) * 1024
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else:
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return int(image_size)
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device_id = getenv("DEVICE_ID")
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sha256_hash = hashlib.sha256()
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with open(str(file_path),"rb") as f:
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# Read and update hash string value in blocks of 4K
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for byte_block in iter(lambda: f.read(4096),b""):
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sha256_hash.update(byte_block)
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hash_file = sha256_hash.hexdigest()
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if file_path.with_suffix(file_path.suffix + ".sha256sum").exists():
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hash_unsigned = (
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file_path.with_suffix(file_path.suffix + ".sha256sum").read_text().strip()
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)
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else:
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hash_unsigned = hash_file
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file_size = path.getsize(file_path)
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file_info = {
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"metadata_version": 1,
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"target": "{}/{}".format(getenv("TARGET"), getenv("SUBTARGET")),
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"version_code": getenv("VERSION_CODE"),
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"version_number": getenv("VERSION_NUMBER"),
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"source_date_epoch": int(getenv("SOURCE_DATE_EPOCH")),
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"profiles": {
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device_id: {
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"image_prefix": getenv("DEVICE_IMG_PREFIX"),
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"images": [
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{
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"type": getenv("FILE_TYPE"),
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"name": getenv("FILE_NAME"),
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"sha256": hash_file,
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"sha256_unsigned": hash_unsigned,
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"size": file_size,
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}
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],
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"device_packages": getenv("DEVICE_PACKAGES").split(),
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"supported_devices": getenv("SUPPORTED_DEVICES").split(),
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"titles": get_titles(),
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}
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},
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}
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if getenv("IMAGE_SIZE") or getenv("KERNEL_SIZE"):
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file_info["profiles"][device_id]["file_size_limits"] = {}
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if getenv("IMAGE_SIZE"):
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file_info["profiles"][device_id]["file_size_limits"]["image"] = get_numerical_size(
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getenv("IMAGE_SIZE")
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)
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if getenv("KERNEL_SIZE"):
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file_info["profiles"][device_id]["file_size_limits"]["kernel"] = get_numerical_size(
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getenv("KERNEL_SIZE")
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)
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if getenv("FILE_FILESYSTEM"):
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file_info["profiles"][device_id]["images"][0]["filesystem"] = getenv(
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"FILE_FILESYSTEM"
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)
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json_path.write_text(json.dumps(file_info, separators=(",", ":")))
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