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141 lines
3.8 KiB
141 lines
3.8 KiB
import threading
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import signal
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import time
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import daemon
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from daemon import pidfile
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from .hands import *
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from .hands import __version__
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from .services.base import BaseService
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class ServicesUtil(object):
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def __init__(self, services, run_daemon=False, force_stop=False, stop_daemon=False):
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self._services = services
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self.run_daemon = run_daemon
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self.force_stop = force_stop
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self.stop_daemon = stop_daemon
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self.EXIT_EVENT = threading.Event()
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self.check_interval = 30
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self.files_preserve_map = {}
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def restart(self):
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self.stop()
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time.sleep(5)
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self.start_and_watch()
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def start_and_watch(self):
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logging.info(time.ctime())
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logging.info(f'JumpServer version {__version__}, more see https://www.jumpserver.org')
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self.start()
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if self.run_daemon:
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self.show_status()
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with self.daemon_context:
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self.watch()
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else:
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self.watch()
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def start(self):
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for service in self._services:
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service: BaseService
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service.start()
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self.files_preserve_map[service.name] = service.log_file
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time.sleep(1)
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def stop(self):
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for service in self._services:
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service: BaseService
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service.stop(force=self.force_stop)
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if self.stop_daemon:
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self._stop_daemon()
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# -- watch --
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def watch(self):
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while not self.EXIT_EVENT.is_set():
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try:
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_exit = self._watch()
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if _exit:
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break
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time.sleep(self.check_interval)
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except KeyboardInterrupt:
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print('Start stop services')
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break
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self.clean_up()
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def _watch(self):
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for service in self._services:
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service: BaseService
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service.watch()
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if service.EXIT_EVENT.is_set():
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self.EXIT_EVENT.set()
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return True
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return False
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# -- end watch --
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def clean_up(self):
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if not self.EXIT_EVENT.is_set():
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self.EXIT_EVENT.set()
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self.stop()
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def show_status(self):
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for service in self._services:
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service: BaseService
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service.show_status()
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# -- daemon --
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def _stop_daemon(self):
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if self.daemon_pid and self.daemon_is_running:
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os.kill(self.daemon_pid, 15)
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self.remove_daemon_pid()
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def remove_daemon_pid(self):
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if os.path.isfile(self.daemon_pid_filepath):
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os.unlink(self.daemon_pid_filepath)
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@property
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def daemon_pid(self):
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if not os.path.isfile(self.daemon_pid_filepath):
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return 0
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with open(self.daemon_pid_filepath) as f:
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try:
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pid = int(f.read().strip())
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except ValueError:
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pid = 0
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return pid
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@property
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def daemon_is_running(self):
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try:
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os.kill(self.daemon_pid, 0)
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except (OSError, ProcessLookupError):
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return False
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else:
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return True
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@property
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def daemon_pid_filepath(self):
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return os.path.join(TMP_DIR, 'jms.pid')
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@property
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def daemon_log_filepath(self):
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return os.path.join(LOG_DIR, 'jms.log')
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@property
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def daemon_context(self):
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daemon_log_file = open(self.daemon_log_filepath, 'a')
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context = daemon.DaemonContext(
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pidfile=pidfile.TimeoutPIDLockFile(self.daemon_pid_filepath),
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signal_map={
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signal.SIGTERM: lambda x, y: self.clean_up(),
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signal.SIGHUP: 'terminate',
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},
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stdout=daemon_log_file,
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stderr=daemon_log_file,
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files_preserve=list(self.files_preserve_map.values()),
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detach_process=True,
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)
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return context
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# -- end daemon --
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