39 lines
1006 B
Python
39 lines
1006 B
Python
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"""Shared path derivation for encrypted storage setups."""
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from dataclasses import dataclass
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from lim import device as device_module
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from lim import ui
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from lim.device import Device
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@dataclass(frozen=True)
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class StorageTarget:
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"""An encrypted drive plus all derived mapper/mount/partition paths."""
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device: Device
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@property
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def mapper_name(self) -> str:
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return f"encrypteddrive-{self.device.name}"
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@property
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def mapper_path(self) -> str:
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return f"/dev/mapper/{self.mapper_name}"
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@property
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def mount_path(self) -> str:
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return f"/media/{self.mapper_name}"
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@property
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def partition_path(self) -> str:
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return self.device.partition(1)
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def select_storage_target() -> StorageTarget:
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target = StorageTarget(device_module.select_device())
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ui.info(f"mapper name set to : {target.mapper_name}")
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ui.info(f"mapper path set to : {target.mapper_path}")
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ui.info(f"mount path set to : {target.mount_path}")
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return target
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