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#!/usr/bin/python3
# Copyright (c) 2017-2019 David Steele <dsteele@gmail.com>
#
# SPDX-License-Identifier: GPL-2.0-or-later
# License-Filename: LICENSE
import argparse
import logging
import os
import signal
import sys
import types
from logging.handlers import TimedRotatingFileHandler
from typing import Optional
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
from gi.repository.GLib import MainLoop # noqa
from comitup import cdns # noqa
from comitup import config # noqa
from comitup import nftmgr # noqa
from comitup import nuke # noqa
from comitup import persist # noqa
from comitup import statemgr # noqa
from comitup import sysd # noqa
from comitup import webmgr # noqa
from comitup import wificheck # noqa
LOG_PATH: str = "/var/log/comitup.log"
log: Optional[logging.Logger] = None
def deflog(verbose: int) -> logging.Logger:
level = logging.INFO
if verbose:
level = logging.DEBUG
log = logging.getLogger("comitup")
log.setLevel(level)
handler = TimedRotatingFileHandler(
LOG_PATH,
encoding="utf=8",
when="W0",
backupCount=8,
)
fmtr = logging.Formatter(
"%(asctime)s - %(name)s - %(levelname)s - %(message)s"
)
handler.setFormatter(fmtr)
log.addHandler(handler)
return log
def check_environment(log: logging.Logger) -> None:
for service in ["systemd-resolved", "dnsmasq", "dhcpd", "dhcpcd"]:
try:
if sysd.sd_unit_jobs("{}.service".format(service)):
for msg in [
"Warning: {} service is active.".format(service),
"This may interfere with comitup providing "
"networking services",
]:
print(msg)
log.warning(msg)
except Exception:
pass
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="")
parser.add_argument(
"-c",
"--check",
action="store_true",
help="Check the wifi devices and exit",
)
parser.add_argument(
"-i",
"--info",
action="store_true",
help="Print info and exit",
)
parser.add_argument(
"-v",
"--verbose",
action="store_true",
help="More verbose logging",
)
args = parser.parse_args()
return args
def cleanup() -> None:
# leave the network setup as it, but kill comitup-web
webmgr.stop_service(webmgr.COMITUP_SERVICE)
nuke.cleanup_nuke()
if log:
log.info("Stopping comitup")
def handle_term(signum: int, handler: types.FrameType) -> None:
cleanup()
sys.exit(0)
def main():
global log
if os.geteuid() != 0:
exit("Comitup requires root privileges")
args = parse_args()
(conf, data) = config.load_data()
log = deflog(args.verbose or conf.getboolean("verbose"))
log.info("Starting comitup")
if args.info:
for key, val in statemgr.get_info(conf, data).items():
print("{}: {}".format(key, val))
sys.exit(0)
if args.check:
if wificheck.run_checks(primary_dev=conf.primary_wifi_device):
sys.exit(1)
else:
sys.exit(0)
else:
wificheck.run_checks(
verbose=False,
primary_dev=conf.primary_wifi_device,
)
check_environment(log)
webmgr.init_webmgr(conf.web_service)
nftmgr.init_nftmgr()
statemgr.init_state_mgr(
conf,
data,
[
webmgr.state_callback,
nftmgr.state_callback,
cdns.state_callback,
],
)
nuke.init_nuke()
signal.signal(signal.SIGTERM, handle_term)
loop = MainLoop()
try:
loop.run()
except KeyboardInterrupt:
pass
except Exception:
log.error("Terminal exception encountered")
raise
finally:
cleanup()
if __name__ == "__main__":
main()
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