4502d7abd7
Do not hardcode Polkit namespace into DBusExporter, provide it as a parameter in the constructor.
105 lines
3.9 KiB
Python
Executable file
105 lines
3.9 KiB
Python
Executable file
#!/usr/bin/python3 -Es
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#
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# tuned: daemon for monitoring and adaptive tuning of system devices
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#
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# Copyright (C) 2008-2013 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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from __future__ import print_function
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import argparse
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import os
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import sys
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import traceback
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import tuned.logs
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import tuned.daemon
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import tuned.exceptions
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import tuned.consts as consts
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import tuned.version as ver
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from tuned.utils.global_config import GlobalConfig
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def error(message):
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print(message, file=sys.stderr)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description = "Daemon for monitoring and adaptive tuning of system devices.")
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parser.add_argument("--daemon", "-d", action = "store_true", help = "run on background")
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parser.add_argument("--debug", "-D", action = "store_true", help = "show/log debugging messages")
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parser.add_argument("--log", "-l", nargs = "?", const = consts.LOG_FILE, help = "log to file, default file: " + consts.LOG_FILE)
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parser.add_argument("--pid", "-P", nargs = "?", const = consts.PID_FILE, help = "write PID file, default file: " + consts.PID_FILE)
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parser.add_argument("--no-dbus", action = "store_true", help = "do not attach to DBus")
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parser.add_argument("--no-socket", action = "store_true", help = "do not attach to socket")
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parser.add_argument("--profile", "-p", action = "store", type=str, metavar = "name", help = "tuning profile to be activated")
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parser.add_argument('--version', "-v", action = "version", version = "%%(prog)s %s.%s.%s" % (ver.TUNED_VERSION_MAJOR, ver.TUNED_VERSION_MINOR, ver.TUNED_VERSION_PATCH))
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args = parser.parse_args(sys.argv[1:])
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if os.geteuid() != 0:
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error("Superuser permissions are required to run the daemon.")
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sys.exit(1)
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config = GlobalConfig()
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log = tuned.logs.get()
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if args.debug:
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log.setLevel("DEBUG")
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try:
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maxBytes = config.get_size("log_file_max_size", consts.LOG_FILE_MAXBYTES)
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backupCount = config.get("log_file_count", consts.LOG_FILE_COUNT)
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if args.daemon:
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if args.log is None:
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args.log = consts.LOG_FILE
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log.switch_to_file(args.log, maxBytes, backupCount)
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else:
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if args.log is not None:
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log.switch_to_file(args.log, maxBytes, backupCount)
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app = tuned.daemon.Application(args.profile, config)
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# no daemon mode doesn't need DBus or if disabled in config
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if not config.get(consts.CFG_DAEMON, consts.CFG_DEF_DAEMON) \
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or not config.get_bool(consts.CFG_ENABLE_DBUS, consts.CFG_DEF_ENABLE_DBUS):
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args.no_dbus = True
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# no daemon mode doesn't need sockets or if disabled in config
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if not config.get(consts.CFG_DAEMON, consts.CFG_DEF_DAEMON) \
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or not config.get_bool(consts.CFG_ENABLE_UNIX_SOCKET, consts.CFG_DEF_ENABLE_UNIX_SOCKET):
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args.no_socket = True
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if not args.no_dbus:
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app.attach_to_dbus(consts.DBUS_BUS, consts.DBUS_OBJECT, consts.DBUS_INTERFACE, consts.NAMESPACE)
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if not args.no_socket:
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app.attach_to_unix_socket()
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if not args.no_dbus or not args.no_socket:
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app.register_controller()
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# always write PID file
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if args.pid is None:
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args.pid = consts.PID_FILE
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if args.daemon:
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app.daemonize(args.pid)
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else:
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app.write_pid_file(args.pid)
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app.run(args.daemon)
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except tuned.exceptions.TunedException as exception:
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if (args.debug):
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traceback.print_exc()
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else:
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error(str(exception))
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sys.exit(1)
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