mirror of
https://github.com/This-weiyuqing/mi-fitness-health.git
synced 2026-10-18 03:03:49 +08:00
60 lines
2.8 KiB
Python
60 lines
2.8 KiB
Python
"""为现有summary8离线tar生成LF发布元数据;不构建镜像或连接NAS。"""
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import hashlib
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import json
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import re
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import tarfile
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[2]
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RELEASE = ROOT / 'artifacts/query-summary/release'
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TAG = 'local/mi-fitness-nas:20261017-summary8'
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BASE_IMAGE_ID = 'sha256:f4cbe187a98e3d3223e28e79b6edd115446ba62a78931f54f3bb0a6991a9395d'
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# 部署前只读快照;实际更新脚本仍会再次比对,漂移则停止。
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EXPECTED_CURRENT = '3cdbdc882b169f5785d6d1c3c46ceb159e209c567d6e28ceb31b15d4280fcdd8'
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def sha256(path):
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digest = hashlib.sha256()
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with path.open('rb') as stream:
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for block in iter(lambda: stream.read(1024 * 1024), b''):
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digest.update(block)
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return digest.hexdigest()
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def write_lf(name, value):
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assert '\r' not in value and not value.startswith('\ufeff')
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(RELEASE / name).write_bytes((value.rstrip('\n') + '\n').encode('utf-8'))
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def main():
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tar = RELEASE / 'health-summary8.tar'
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# 仅读取索引/配置元数据,不展开镜像层,也不修改tar。
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with tarfile.open(tar) as archive:
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manifest = json.load(archive.extractfile('manifest.json'))
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assert len(manifest) == 1 and manifest[0]['RepoTags'] == [TAG]
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index = json.load(archive.extractfile('index.json'))
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assert len(index['manifests']) == 1
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image_id = index['manifests'][0]['digest']
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assert re.fullmatch(r'sha256:[0-9a-f]{64}', image_id)
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index_blob = archive.extractfile('blobs/sha256/' + image_id.split(':')[1]).read()
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assert hashlib.sha256(index_blob).hexdigest() == image_id.split(':')[1]
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config = archive.extractfile(manifest[0]['Config']).read()
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config_id = 'sha256:' + hashlib.sha256(config).hexdigest()
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assert manifest[0]['Config'] == 'blobs/sha256/' + config_id.split(':')[1]
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for name in ['compose.override.yml', 'update-health.sh', 'check-ready.py', 'Update-Nas.ps1']:
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content = (Path(__file__).resolve().parent / name).read_bytes()
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assert b'\r' not in content and not content.startswith(b'\xef\xbb\xbf'), name
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(RELEASE / name).write_bytes(content)
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for name, value in [('image-id.txt', image_id), ('image-config-id.txt', config_id),
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('base-image-id.txt', BASE_IMAGE_ID), ('expected-current.sha256', EXPECTED_CURRENT)]:
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write_lf(name, value)
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files = sorted(path for path in RELEASE.iterdir() if path.is_file() and path.name != 'manifest.sha256')
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assert len(files) == 9, '发布目录包含非预期文件,停止生成清单'
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write_lf('manifest.sha256', ''.join(sha256(path) + ' ' + path.name + '\n' for path in files))
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print(json.dumps(dict(image_id=image_id, config_id=config_id, tar_sha256=sha256(tar),
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manifest_sha256=sha256(RELEASE / 'manifest.sha256')), ensure_ascii=False))
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if __name__ == '__main__':
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main()
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