build: create JSON files containing image info
The JSON info files contain details about the created firmware images per device and are stored next to the created images. The JSON files are stored as "$(IMAGE_PREFIX).json" and contain some device/image meta data as well as a list of created firmware images. An example of openwrt-ramips-rt305x-aztech_hw550-3g.json { "id": "aztech_hw550-3g", "image_prefix": "openwrt-ramips-rt305x-aztech_hw550-3g", "images": [ { "name": "openwrt-ramips-rt305x-aztech_hw550-3g-squashfs-sysupgrade.bin", "sha256": "db2b34b0ec4a83d9bf612cf66fab0dc3722b191cb9bedf111e5627a4298baf20", "type": "sysupgrade" } ], "metadata_version": 1, "supported_devices": [ "aztech,hw550-3g", "hw550-3g" ], "target": "ramips/rt305x", "titles": [ { "model": "HW550-3G", "vendor": "Aztech" }, { "model": "ALL0239-3G", "vendor": "Allnet" } ], "version_commit": "r10920+123-0cc87b3bac", "version_number": "SNAPSHOT" } Signed-off-by: Paul Spooren <mail@aparcar.org>master
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#!/usr/bin/env python3
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import json
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import os
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import hashlib
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def e(variable, default=None):
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return os.environ.get(variable, default)
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json_path = "{}{}{}.json".format(e("BIN_DIR"), os.sep, e("IMAGE_PREFIX"))
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with open(os.path.join(e("BIN_DIR"), e("IMAGE_NAME")), "rb") as image_file:
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image_hash = hashlib.sha256(image_file.read()).hexdigest()
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def get_titles():
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titles = []
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for prefix in ["", "ALT0_", "ALT1_", "ALT2_"]:
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title = {}
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for var in ["vendor", "model", "variant"]:
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if e("DEVICE_{}{}".format(prefix, var.upper())):
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title[var] = e("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": e("DEVICE_TITLE")})
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return titles
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if not os.path.exists(json_path):
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device_info = {
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"id": e("DEVICE_ID"),
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"image_prefix": e("IMAGE_PREFIX"),
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"images": [],
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"metadata_version": 1,
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"supported_devices": e("SUPPORTED_DEVICES").split(),
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"target": "{}/{}".format(e("TARGET"), e("SUBTARGET", "generic")),
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"titles": get_titles(),
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"version_commit": e("VERSION_CODE"),
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"version_number": e("VERSION_NUMBER"),
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}
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else:
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with open(json_path, "r") as json_file:
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device_info = json.load(json_file)
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image_info = {"type": e("IMAGE_TYPE"), "name": e("IMAGE_NAME"), "sha256": image_hash}
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device_info["images"].append(image_info)
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with open(json_path, "w") as json_file:
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json.dump(device_info, json_file, sort_keys=True, indent=" ")
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