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# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2021 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
from typing import List
from ....logging import get_logger
from .... import aioproc
from .. import MsdError
# =====
async def remount_storage(base_cmd: List[str], rw: bool) -> None:
logger = get_logger(0)
mode = ("rw" if rw else "ro")
cmd = [
part.format(mode=mode)
for part in base_cmd
]
logger.info("Remounting internal storage to %s ...", mode.upper())
try:
await _run_helper(cmd)
except Exception:
logger.error("Can't remount internal storage")
raise
async def unlock_drive(base_cmd: List[str]) -> None:
logger = get_logger(0)
logger.info("Unlocking the drive ...")
try:
await _run_helper(base_cmd)
except Exception:
logger.error("Can't unlock the drive")
raise
# =====
async def _run_helper(cmd: List[str]) -> None:
logger = get_logger(0)
logger.info("Executing helper %s ...", cmd)
proc = await aioproc.log_process(cmd, logger)
if proc.returncode != 0:
raise MsdError(f"Error while helper execution: pid={proc.pid}; retcode={proc.returncode}")
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