mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 17:20:30 +08:00
86 lines
3.5 KiB
Python
86 lines
3.5 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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import os
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import dataclasses
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from ....logging import get_logger
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# =====
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@dataclasses.dataclass(frozen=True)
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class StorageSpace:
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size: int
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free: int
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class Storage:
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def __init__(self, path: str) -> None:
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self.__path = path
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self.__images_path = os.path.join(self.__path, "images")
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self.__meta_path = os.path.join(self.__path, "meta")
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def get_watchable_paths(self) -> list[str]:
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return [self.__images_path, self.__meta_path]
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def get_images(self) -> list[str]:
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images: list[str] = []
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for name in os.listdir(self.__images_path):
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path = os.path.join(self.__images_path, name)
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if os.path.exists(path):
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try:
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if os.path.getsize(path) >= 0:
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images.append(name)
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except Exception:
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pass
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return images
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def get_image_path(self, name: str) -> str:
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return os.path.join(self.__images_path, name)
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def is_image_path_in_storage(self, path: str) -> bool:
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return (os.path.dirname(path) == self.__images_path)
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def is_image_complete(self, name: str) -> bool:
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return os.path.exists(os.path.join(self.__meta_path, name + ".complete"))
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def set_image_complete(self, name: str, flag: bool) -> None:
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path = os.path.join(self.__meta_path, name + ".complete")
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if flag:
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open(path, "w").close() # pylint: disable=consider-using-with
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else:
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if os.path.exists(path):
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os.remove(path)
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def get_space(self, fatal: bool) -> (StorageSpace | None):
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try:
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st = os.statvfs(self.__path)
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except Exception as err:
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if fatal:
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raise
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get_logger().warning("Can't get free space of filesystem %s: %s", self.__path, err)
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return None
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return StorageSpace(
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size=(st.f_blocks * st.f_frsize),
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free=(st.f_bavail * st.f_frsize),
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)
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