31 lines
620 B
Python
31 lines
620 B
Python
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import json
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from pathlib import Path
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from consts import DATA_DIR
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def img_dir(volume_id):
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return Path(f"{DATA_DIR}/{volume_id}")
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def meta_file(volume_id):
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return Path(f"{img_dir(volume_id)}/disk.meta")
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def metadata(volume_id):
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try:
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return json.loads(meta_file(volume_id).read_text())
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except FileNotFoundError:
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return {}
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def img_file(volume_id):
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return Path(metadata(volume_id)["img_file"])
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def patch_metadata(volume_id, obj):
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old_data = metadata(volume_id)
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new_data = {**old_data, **obj}
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meta_file(volume_id).write_text(json.dumps(new_data))
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return new_data
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