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https://github.com/mofeng-git/One-KVM.git
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pst client
This commit is contained in:
Maxim Devaev
parent
1d1fc35ac5
commit
17865348f2
124
kvmd/apps/pstrun/__init__.py
Normal file
124
kvmd/apps/pstrun/__init__.py
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@ -0,0 +1,124 @@
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# ========================================================================== #
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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 sys
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import os
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import asyncio
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import asyncio.subprocess
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import argparse
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from typing import List
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from typing import Optional
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import aiohttp
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from ...logging import get_logger
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from ... import aiotools
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from ... import aioproc
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from ... import htclient
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from ... import htserver
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from .. import init
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# =====
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async def _run_cmd_ws(cmd: List[str], ws: aiohttp.ClientWebSocketResponse) -> int: # pylint: disable=too-many-branches
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logger = get_logger(0)
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receive_task: Optional[asyncio.Task] = None
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proc_task: Optional[asyncio.Task] = None
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proc: Optional[asyncio.subprocess.Process] = None # pylint: disable=no-member
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retval = 1
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try: # pylint: disable=too-many-nested-blocks
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while True:
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if receive_task is None:
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receive_task = asyncio.create_task(ws.receive())
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if proc_task is None and proc is not None:
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proc_task = asyncio.create_task(proc.wait())
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tasks = list(filter(None, [receive_task, proc_task]))
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done = (await aiotools.wait_first(*tasks))[0]
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if receive_task in done:
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msg = receive_task.result()
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if msg.type == aiohttp.WSMsgType.TEXT:
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(event_type, event) = htserver.parse_ws_event(msg.data)
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if event_type == "storage_state":
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if event["data"]["write_allowed"] and proc is None:
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proc = (await asyncio.create_subprocess_exec(
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*cmd,
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preexec_fn=os.setpgrp,
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env={"KVMD_PST_DATA": event["data"]["path"]},
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))
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elif not event["data"]["write_allowed"]:
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logger.error("PST write is not allowed")
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break
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elif msg.type == aiohttp.WSMsgType.CLOSED:
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logger.error("PST connection closed")
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break
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else:
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logger.error("Unknown PST message type: %r", msg)
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break
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receive_task = None
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if proc_task in done:
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assert proc is not None
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assert proc.returncode is not None
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logger.info("Process finished: returncode=%s", proc.returncode)
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break
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finally:
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if receive_task:
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receive_task.cancel()
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if proc_task:
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proc_task.cancel()
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if proc is not None:
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await aioproc.kill_process(proc, 1, logger)
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assert proc.returncode is not None
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retval = proc.returncode
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return retval
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async def _run_cmd(cmd: List[str], unix_path: str) -> None:
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async with aiohttp.ClientSession(
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headers={"User-Agent": htclient.make_user_agent("KVMD-PSTRun")},
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connector=aiohttp.UnixConnector(path=unix_path),
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timeout=aiohttp.ClientTimeout(total=5),
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) as session:
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async with session.ws_connect("http://localhost:0/ws") as ws:
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sys.exit(await _run_cmd_ws(cmd, ws))
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# =====
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def main(argv: Optional[List[str]]=None) -> None:
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(parent_parser, argv, config) = init(
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add_help=False,
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argv=argv,
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)
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parser = argparse.ArgumentParser(
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prog="kvmd-pstrun",
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description="Request the access to KVMD persistent storage and run the script",
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parents=[parent_parser],
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)
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parser.add_argument("cmd", nargs="+", help="Script with arguments to run")
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options = parser.parse_args(argv[1:])
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aiotools.run(_run_cmd(options.cmd, config.pst.server.unix))
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24
kvmd/apps/pstrun/__main__.py
Normal file
24
kvmd/apps/pstrun/__main__.py
Normal file
@ -0,0 +1,24 @@
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# ========================================================================== #
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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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from . import main
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main()
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2
setup.py
2
setup.py
@ -96,6 +96,7 @@ def main() -> None:
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"kvmd.apps.kvmd.info",
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"kvmd.apps.kvmd.api",
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"kvmd.apps.pst",
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"kvmd.apps.pstrun",
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"kvmd.apps.otg",
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"kvmd.apps.otg.hid",
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"kvmd.apps.otgnet",
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@ -121,6 +122,7 @@ def main() -> None:
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"console_scripts": [
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"kvmd = kvmd.apps.kvmd:main",
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"kvmd-pst = kvmd.apps.pst:main",
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"kvmd-pstrun = kvmd.apps.pstrun:main",
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"kvmd-otg = kvmd.apps.otg:main",
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"kvmd-otgnet = kvmd.apps.otgnet:main",
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"kvmd-otgmsd = kvmd.apps.otgmsd:main",
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