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https://github.com/home-assistant/supervisor.git
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0e8ace949a
* Fix mypy issues in plugins * Fix mypy issues in resolution module * fix misses in resolution check * Fix signatures on evaluate methods * nitpick fix suggestions
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
"""Evaluation class for lxc."""
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from contextlib import suppress
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from pathlib import Path
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from ...const import CoreState
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from ...coresys import CoreSys
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from ..const import UnsupportedReason
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from .base import EvaluateBase
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def setup(coresys: CoreSys) -> EvaluateBase:
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"""Initialize evaluation-setup function."""
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return EvaluateLxc(coresys)
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class EvaluateLxc(EvaluateBase):
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"""Evaluate if running inside LXC."""
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@property
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def reason(self) -> UnsupportedReason:
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"""Return a UnsupportedReason enum."""
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return UnsupportedReason.LXC
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@property
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def on_failure(self) -> str:
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"""Return a string that is printed when self.evaluate is True."""
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return "Detected Docker running inside LXC."
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@property
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def states(self) -> list[CoreState]:
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"""Return a list of valid states when this evaluation can run."""
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return [CoreState.INITIALIZE]
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async def evaluate(self) -> bool:
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"""Run evaluation."""
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def check_lxc() -> bool:
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with suppress(OSError):
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if "container=lxc" in Path("/proc/1/environ").read_text(
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encoding="utf-8"
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):
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return True
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return Path("/dev/lxd/sock").exists()
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return await self.sys_run_in_executor(check_lxc)
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