mirror of
https://github.com/mofeng-git/One-KVM.git
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57 lines
3.0 KiB
Python
57 lines
3.0 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 contextlib
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from typing import Tuple
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from typing import Optional
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import dbus # pylint: disable=import-error
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import dbus.exceptions
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from ...logging import get_logger
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from ... import tools
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# =====
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def get_service_status(name: str) -> Optional[Tuple[bool, bool]]:
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if not name.endswith(".service"):
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name += ".service"
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try:
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with contextlib.closing(dbus.SystemBus()) as bus:
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systemd = bus.get_object("org.freedesktop.systemd1", "/org/freedesktop/systemd1") # pylint: disable=no-member
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manager = dbus.Interface(systemd, dbus_interface="org.freedesktop.systemd1.Manager")
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try:
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unit_proxy = bus.get_object("org.freedesktop.systemd1", manager.GetUnit(name)) # pylint: disable=no-member
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unit_properties = dbus.Interface(unit_proxy, dbus_interface="org.freedesktop.DBus.Properties")
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started = (unit_properties.Get("org.freedesktop.systemd1.Unit", "ActiveState") == "active")
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except dbus.exceptions.DBusException as err:
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if "NoSuchUnit" not in str(err):
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raise
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started = False
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enabled = (manager.GetUnitFileState(name) in ["enabled", "enabled-runtime", "static", "indirect", "generated"])
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return (enabled, started)
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except Exception as err:
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get_logger(0).error("Can't get info about the service %r: %s", name, tools.efmt(err))
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return None
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