b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
85 lines
3.9 KiB
Python
85 lines
3.9 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: MPL-2.0
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"""Package the ARM64 runtime reference. This image has no qualified boot sequence."""
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import argparse
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import hashlib
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import importlib.util
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import json
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import os
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from pathlib import Path
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import shutil
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import subprocess
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import sys
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ROOT = Path(__file__).resolve().parents[1]
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def digest(path):
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with path.open('rb') as stream:
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return hashlib.file_digest(stream, 'sha256').hexdigest()
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def pack(tree, image):
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if not os.environ.get('FAKEROOTKEY'):
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raise RuntimeError('Ownership normalization must run under fakeroot')
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for base, dirs, files in os.walk(tree):
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os.lchown(base, 0, 0)
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for name in dirs+files:
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os.lchown(Path(base)/name, 0, 0)
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os.chown(tree/'home/vulpes', 1000, 1000)
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# Explicit feature list avoids enabling newer ext4 features on the 4.9 kernel.
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features = 'none,has_journal,ext_attr,dir_index,filetype,extent,sparse_super,large_file,uninit_bg,dir_nlink,extra_isize'
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subprocess.run(['mke2fs', '-q', '-t', 'ext4', '-F', '-b', '4096', '-I', '256',
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'-O', features, '-L', 'TUNDRA_REF', '-d', str(tree), str(image)], check=True)
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--source', type=Path, default=ROOT/'downloads/sargo-installed/runtime-reference')
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parser.add_argument('--product', type=Path, default=ROOT/'out/droidian/product')
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parser.add_argument('--output', type=Path, default=ROOT/'out/sargo-runtime-image')
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parser.add_argument('--pack', nargs=2, type=Path, help=argparse.SUPPRESS)
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args = parser.parse_args()
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if args.pack:
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pack(*args.pack)
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return
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if os.geteuid() == 0:
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parser.error('Run as a regular user; fakeroot supplies image ownership')
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output = args.output.resolve()
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if output.exists():
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parser.error('Output exists; select a new directory to preserve its provenance')
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spec = importlib.util.spec_from_file_location('stage_runtime', ROOT/'tools/stage-runtime.py')
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stage = importlib.util.module_from_spec(spec); spec.loader.exec_module(stage)
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tree = output/'root'
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staged = stage.stage(args.source, tree)
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product = args.product.resolve()
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selected = ('assets', 'host', 'services', 'adapters', 'overrides', 'gaia', 'tools',
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'tests', 'engines', 'trial', 'engine-lock.json', 'release.json')
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for name in selected:
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source, target = product/name, tree/'opt/vulpes'/name
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if source.is_dir():
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shutil.copytree(source, target, symlinks=True,
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ignore=shutil.ignore_patterns('__pycache__'), copy_function=os.link)
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else:
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os.link(source, target)
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image = output/'tundra-sargo-runtime-NOT-BOOTABLE.ext4'
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with image.open('xb') as stream:
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stream.truncate(2*1024**3)
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subprocess.run(['fakeroot', '--', sys.executable, str(Path(__file__).resolve()),
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'--pack', str(tree), str(image)], check=True)
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check = subprocess.run(['e2fsck', '-f', '-n', str(image)], capture_output=True, text=True)
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(output/'filesystem-check.txt').write_text(check.stdout+check.stderr)
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if check.returncode:
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raise RuntimeError('Generated filesystem failed e2fsck')
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metadata = {'scope': 'Runtime and shared Gaia/Gecko files; no init/HAL configuration, NOT BOOTABLE',
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'flashReady': False, 'standaloneBootTested': False, 'staging': staged,
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'image': image.name, 'imageSha256': digest(image), 'bytes': image.stat().st_size,
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'engine': json.loads((product/'engine-lock.json').read_text()),
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'filesystemCheckPassed': True,
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'scripts': {p.name: digest(p) for p in (Path(__file__).resolve(), ROOT/'tools/stage-runtime.py')}}
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(output/'manifest.json').write_text(json.dumps(metadata, indent=2)+'\n')
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print(image, metadata['imageSha256'], flush=True)
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if __name__ == '__main__':
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main()
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