def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level',
dest='loglevel',
default='info',
help="log level")
parser.add_argument('--log-output',
dest='logoutput',
default='-',
help="log output")
parser.add_argument('--daemon',
dest='daemonize',
action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
args = parser.parse_args()
if args.daemonize:
daemonize()
pidfile = None
if args.pidfile:
pidfile = Pidfile(args.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level', dest='loglevel', default='info',
help="log level")
parser.add_argument('--log-output', dest='logoutput', default='-',
help="log output")
parser.add_argument('--daemon', dest='daemonize', action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
args = parser.parse_args()
cfg, cfg_files_read = util.read_config(args.config)
if args.daemonize:
daemonize()
pidfile = None
if args.pidfile:
pidfile = Pidfile(args.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def main():
parser = argparse.ArgumentParser(description="Run some watchers.")
parser.add_argument("config", help="configuration file", nargs="?")
# XXX we should be able to add all these options in the config file as well
parser.add_argument("--log-level", dest="loglevel", default="info", choices=LOG_LEVELS.keys(), help="log level")
parser.add_argument("--log-output", dest="logoutput", default="-", help="log output")
parser.add_argument("--daemon", dest="daemonize", action="store_true", help="Start circusd in the background")
parser.add_argument("--pidfile", dest="pidfile")
parser.add_argument("--version", action="store_true", default=False, help="Displays Circus version and exits.")
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
pidfile = None
if args.pidfile:
pidfile = Pidfile(args.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level',
dest='loglevel',
choices=LOG_LEVELS.keys() +
[key.upper() for key in LOG_LEVELS.keys()],
help="log level")
parser.add_argument(
'--log-output',
dest='logoutput',
help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."))
parser.add_argument('--daemon',
dest='daemonize',
action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version',
action='store_true',
default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# basic logging configuration
logging.basicConfig()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level', dest='loglevel',
choices=LOG_LEVELS.keys() + [key.upper() for key in
LOG_LEVELS.keys()],
help="log level")
parser.add_argument('--log-output', dest='logoutput', help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."))
parser.add_argument('--daemon', dest='daemonize', action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version', action='store_true', default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# basic logging configuration
logging.basicConfig()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def main():
parser = argparse.ArgumentParser(description="Run some watchers.")
parser.add_argument("config", help="configuration file", nargs="?")
# XXX we should be able to add all these options in the config file as well
parser.add_argument(
"--log-level",
dest="loglevel",
default="info",
choices=LOG_LEVELS.keys() + [key.upper() for key in LOG_LEVELS.keys()],
help="log level",
)
parser.add_argument(
"--log-output",
dest="logoutput",
default="-",
help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."
),
)
parser.add_argument("--daemon", dest="daemonize", action="store_true", help="Start circusd in the background")
parser.add_argument("--pidfile", dest="pidfile")
parser.add_argument("--version", action="store_true", default=False, help="Displays Circus version and exits.")
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
pidfile = None
if args.pidfile:
pidfile = Pidfile(args.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level',
dest='loglevel',
default='info',
choices=LOG_LEVELS.keys() +
[key.upper() for key in LOG_LEVELS.keys()],
help="log level")
parser.add_argument('--log-output',
dest='logoutput',
default='-',
help="log output")
parser.add_argument('--daemon',
dest='daemonize',
action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version',
action='store_true',
default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
pidfile = None
if args.pidfile:
pidfile = Pidfile(args.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def test_pidfile(self):
proc = subprocess.Popen('sleep 120', shell=True)
fd, path = tempfile.mkstemp()
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
self.assertRaises(RuntimeError, pidfile.create, proc.pid)
pidfile.unlink()
pidfile.create(proc.pid)
pidfile.rename(path + '.2')
self.assertTrue(os.path.exists(path + '.2'))
self.assertFalse(os.path.exists(path))
finally:
os.remove(path + '.2')
def test_pidfile(self):
cmd = shlex.split(SLEEP % 120, posix=not IS_WINDOWS)
proc = subprocess.Popen(cmd, shell=True)
fd, path = tempfile.mkstemp()
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
self.assertRaises(RuntimeError, pidfile.create, proc.pid)
pidfile.unlink()
pidfile.create(proc.pid)
pidfile.rename(path + '.2')
self.assertTrue(os.path.exists(path + '.2'))
self.assertFalse(os.path.exists(path))
finally:
os.remove(path + '.2')
def test_pidfile_data(self):
proc = subprocess.Popen(SLEEP % 120, shell=True)
fd, path = tempfile.mkstemp()
os.write(fd, "fail-to-validate\n".encode('utf-8'))
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
self.assertTrue(os.path.exists(path))
pid = 0
with open(path, "r") as f:
pid = int(f.read() or 0)
self.assertEqual(pid, proc.pid)
finally:
os.remove(path)
fd, path = tempfile.mkstemp()
proc2 = subprocess.Popen(SLEEP % 0, shell=True)
os.write(fd, "{0}\n".format(proc2.pid).encode('utf-8'))
os.close(fd)
proc2.wait()
try:
pidfile = Pidfile(path)
self.assertNotEqual(proc2.pid, proc.pid)
pidfile.create(proc.pid)
finally:
os.remove(path)
fd, path = tempfile.mkstemp()
os.write(fd, "fail-to-int\n".encode('utf-8'))
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.unlink()
self.assertFalse(os.path.exists(path))
except Exception as e:
self.fail(str(e))
def test_pidfile(self):
cmd = shlex.split(SLEEP % 120, posix=not IS_WINDOWS)
proc = subprocess.Popen(cmd, shell=True)
fd, path = tempfile.mkstemp()
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
self.assertRaises(RuntimeError, pidfile.create, proc.pid)
pidfile.unlink()
pidfile.create(proc.pid)
pidfile.rename(path + ".2")
self.assertTrue(os.path.exists(path + ".2"))
self.assertFalse(os.path.exists(path))
finally:
os.remove(path + ".2")
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level', dest='loglevel', default='info',
choices=LOG_LEVELS.keys() + [key.upper() for key in
LOG_LEVELS.keys()],
help="log level")
parser.add_argument('--log-output', dest='logoutput', default='-',
help="log output")
parser.add_argument('--daemon', dest='daemonize', action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version', action='store_true', default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
pidfile = None
if args.pidfile:
pidfile = Pidfile(args.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError, e:
print(str(e))
sys.exit(1)
def test_pidfile(self):
proc = subprocess.Popen(SLEEP % 120, shell=True)
fd, path = tempfile.mkstemp()
os.close(fd)
rf = path + '.2'
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
mode = os.stat(path).st_mode
self.assertEqual(stat.S_IMODE(mode), pidfile.perm_mode, path)
pidfile.unlink()
self.assertFalse(os.path.exists(path))
pidfile.create(proc.pid)
pidfile.rename(rf)
self.assertTrue(os.path.exists(rf))
self.assertFalse(os.path.exists(path))
mode = os.stat(rf).st_mode
self.assertEqual(stat.S_IMODE(mode), pidfile.perm_mode, rf)
finally:
os.remove(rf)
def test_pidfile(self):
proc = subprocess.Popen(SLEEP % 120, shell=True)
fd, path = tempfile.mkstemp()
os.close(fd)
rf = path + '.2'
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
mode = os.stat(path).st_mode
self.assertEqual(stat.S_IMODE(mode), pidfile.perm_mode, path)
pidfile.unlink()
self.assertFalse(os.path.exists(path))
pidfile.create(proc.pid)
pidfile.rename(rf)
self.assertTrue(os.path.exists(rf))
self.assertFalse(os.path.exists(path))
mode = os.stat(rf).st_mode
self.assertEqual(stat.S_IMODE(mode), pidfile.perm_mode, rf)
finally:
os.remove(rf)
def main(profile, loggerconfig, foreground, pidfile):
"""Run an aiida daemon"""
import zmq
try:
zmq_version = [int(part) for part in zmq.__version__.split('.')[:2]]
if len(zmq_version) < 2:
raise ValueError()
except (AttributeError, ValueError):
print('Unknown PyZQM version - aborting...')
sys.exit(0)
if zmq_version[0] < 13 or (zmq_version[0] == 13 and zmq_version[1] < 1):
print('circusd needs PyZMQ >= 13.1.0 to run - aborting...')
sys.exit(0)
loglevel = 'INFO'
logoutput = '-'
if not foreground:
logoutput = 'balrog-{}.log'.format(profile)
daemonize()
# Create the arbiter
profile_config = ProfileConfig(profile)
arbiter = get_arbiter(
controller=profile_config.get_endpoint(0),
pubsub_endpoint=profile_config.get_endpoint(1),
stats_endpoint=profile_config.get_endpoint(2),
logoutput=logoutput,
loglevel=loglevel,
debug=False,
statsd=True,
pidfile='balrog-{}.pid'.format(
profile
), # aiida.common.setup.AIIDA_CONFIG_FOLDER + '/daemon/aiida-{}.pid'.format(uuid)
watchers=[{
'name': profile_config.daemon_name,
'cmd': profile_config.cmd_string,
'virtualenv': VIRTUALENV,
'copy_env': True,
'stdout_stream': {
'class': 'FileStream',
'filename': '{}.log'.format(profile_config.daemon_name)
},
'env': {
'PYTHONUNBUFFERED': 'True'
}
}])
# go ahead and set umask early if it is in the config
if arbiter.umask is not None:
os.umask(arbiter.umask)
pidfile = pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as e:
print(str(e))
sys.exit(1)
# configure the logger
loglevel = loglevel or arbiter.loglevel or 'info'
logoutput = logoutput or arbiter.logoutput or '-'
loggerconfig = loggerconfig or arbiter.loggerconfig or None
configure_logger(logger, loglevel, logoutput, loggerconfig)
# Main loop
restart = True
while restart:
try:
arbiter = arbiter
future = arbiter.start()
restart = False
if check_future_exception_and_log(future) is None:
restart = arbiter._restarting
except Exception as e:
# emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop)
raise (e)
except KeyboardInterrupt:
pass
finally:
arbiter = None
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
def main():
import zmq
try:
zmq_version = [int(part) for part in zmq.__version__.split(".")]
if len(zmq_version) < 2:
raise ValueError()
except (AttributeError, ValueError):
print("Unknown PyZQM version - aborting...")
sys.exit(0)
if zmq_version[0] < 13 or (zmq_version[0] == 13 and zmq_version[1] < 1):
print("circusd needs PyZMQ >= 13.1.0 to run - aborting...")
sys.exit(0)
parser = argparse.ArgumentParser(description="Run some watchers.")
parser.add_argument("config", help="configuration file", nargs="?")
# XXX we should be able to add all these options in the config file as well
parser.add_argument(
"--log-level",
dest="loglevel",
choices=list(LOG_LEVELS.keys()) + [key.upper() for key in LOG_LEVELS.keys()],
help="log level",
)
parser.add_argument(
"--log-output",
dest="logoutput",
help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."
),
)
parser.add_argument(
"--logger-config",
dest="loggerconfig",
help=(
"The location where a standard Python logger configuration INI, "
"JSON or YAML file can be found. This can be used to override "
"the default logging configuration for the arbiter."
),
)
parser.add_argument("--daemon", dest="daemonize", action="store_true", help="Start circusd in the background")
parser.add_argument("--pidfile", dest="pidfile")
parser.add_argument("--version", action="store_true", default=False, help="Displays Circus version and exits.")
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
# go ahead and set umask early if it is in the config
if arbiter.umask is not None:
os.umask(arbiter.umask)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as e:
print(str(e))
sys.exit(1)
# configure the logger
loglevel = args.loglevel or arbiter.loglevel or "info"
logoutput = args.logoutput or arbiter.logoutput or "-"
loggerconfig = args.loggerconfig or arbiter.loggerconfig or None
configure_logger(logger, loglevel, logoutput, loggerconfig)
# Main loop
restart = True
while restart:
try:
arbiter = arbiter or Arbiter.load_from_config(args.config)
future = arbiter.start()
restart = False
if check_future_exception_and_log(future) is None:
restart = arbiter._restarting
except Exception as e:
# emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop)
raise (e)
except KeyboardInterrupt:
pass
finally:
arbiter = None
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
def _start_circus(foreground):
"""
This will actually launch the circus daemon, either daemonized in the background
or in the foreground, printing all logs to stdout.
.. note:: this should not be called directly from the commandline!
"""
from circus import get_arbiter
from circus import logger as circus_logger
from circus.circusd import daemonize
from circus.pidfile import Pidfile
from circus.util import check_future_exception_and_log, configure_logger
client = DaemonClient()
loglevel = client.loglevel
logoutput = '-'
if not foreground:
logoutput = client.circus_log_file
arbiter_config = {
'controller': client.get_controller_endpoint(),
'pubsub_endpoint': client.get_pubsub_endpoint(),
'stats_endpoint': client.get_stats_endpoint(),
'logoutput': logoutput,
'loglevel': loglevel,
'debug': False,
'statsd': True,
'pidfile': client.circus_pid_file,
'watchers': [{
'name': client.daemon_name,
'cmd': client.cmd_string,
'virtualenv': client.virtualenv,
'copy_env': True,
'stdout_stream': {
'class': 'FileStream',
'filename': client.daemon_log_file,
},
'env': get_env_with_venv_bin(),
}]
} # yapf: disable
if not foreground:
daemonize()
arbiter = get_arbiter(**arbiter_config)
pidfile = Pidfile(arbiter.pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as exception:
click.echo(str(exception))
sys.exit(1)
# Configure the logger
loggerconfig = None
loggerconfig = loggerconfig or arbiter.loggerconfig or None
configure_logger(circus_logger, loglevel, logoutput, loggerconfig)
# Main loop
should_restart = True
while should_restart:
try:
arbiter = arbiter
future = arbiter.start()
should_restart = False
if check_future_exception_and_log(future) is None:
should_restart = arbiter._restarting # pylint: disable=protected-access
except Exception as exception:
# Emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop) # pylint: disable=protected-access
raise exception
except KeyboardInterrupt:
pass
finally:
arbiter = None
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level', dest='loglevel',
choices=list(LOG_LEVELS.keys()) + [
key.upper() for key in LOG_LEVELS.keys()],
help="log level")
parser.add_argument('--log-output', dest='logoutput', help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."))
parser.add_argument('--daemon', dest='daemonize', action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version', action='store_true', default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# basic logging configuration
logging.basicConfig()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as e:
print(str(e))
sys.exit(1)
# configure the logger
loglevel = args.loglevel or arbiter.loglevel or 'info'
logoutput = args.logoutput or arbiter.logoutput or '-'
configure_logger(logger, loglevel, logoutput)
# configure the main loop
#ioloop.install()
#loop = ioloop.IOLoop.instance()
#cb = functools.partial(manage_restart, loop, arbiter)
#periodic = tornado.ioloop.PeriodicCallback(cb, 1000, loop)
#periodic.start()
# schedule the arbiter start
#arbiter = Arbiter.load_from_config(args.config, loop=loop)
#loop.add_future(arbiter.start(), _arbiter_start_cb)
# Main loop
restart = True
while restart:
try:
arbiter = Arbiter.load_from_config(args.config)
future = arbiter.start()
restart = False
if check_future_exception_and_log(future) is None:
restart = arbiter._restarting
except Exception as e:
# emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop)
raise(e)
except KeyboardInterrupt:
pass
finally:
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
def main():
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level',
dest='loglevel',
choices=list(LOG_LEVELS.keys()) +
[key.upper() for key in LOG_LEVELS.keys()],
help="log level")
parser.add_argument(
'--log-output',
dest='logoutput',
help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."))
parser.add_argument('--daemon',
dest='daemonize',
action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version',
action='store_true',
default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# basic logging configuration
logging.basicConfig()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as e:
print(str(e))
sys.exit(1)
# configure the logger
loglevel = args.loglevel or arbiter.loglevel or 'info'
logoutput = args.logoutput or arbiter.logoutput or '-'
configure_logger(logger, loglevel, logoutput)
# configure the main loop
#ioloop.install()
#loop = ioloop.IOLoop.instance()
#cb = functools.partial(manage_restart, loop, arbiter)
#periodic = tornado.ioloop.PeriodicCallback(cb, 1000, loop)
#periodic.start()
# schedule the arbiter start
#arbiter = Arbiter.load_from_config(args.config, loop=loop)
#loop.add_future(arbiter.start(), _arbiter_start_cb)
# Main loop
restart = True
while restart:
try:
arbiter = Arbiter.load_from_config(args.config)
future = arbiter.start()
restart = False
if check_future_exception_and_log(future) is None:
restart = arbiter._restarting
except Exception as e:
# emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop)
raise (e)
except KeyboardInterrupt:
pass
finally:
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
def main():
import zmq
try:
zmq_version = [int(part) for part in zmq.__version__.split('.')]
if len(zmq_version) < 2:
raise ValueError()
except (AttributeError, ValueError):
print('Unknown PyZQM version - aborting...')
sys.exit(0)
if zmq_version[0] < 13 or (zmq_version[0] == 13 and zmq_version[1] < 1):
print('circusd needs PyZMQ >= 13.1.0 to run - aborting...')
sys.exit(0)
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level', dest='loglevel',
choices=list(LOG_LEVELS.keys()) + [
key.upper() for key in LOG_LEVELS.keys()],
help="log level")
parser.add_argument('--log-output', dest='logoutput', help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."))
parser.add_argument('--daemon', dest='daemonize', action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version', action='store_true', default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# This config call is done to avoid any
# "no handlers could be found for logger"
#
# error while loding the configuration and setting up the arbiter.
# The real logging configuration is done right after via
# a configure_logger() call
logging.basicConfig()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
# go ahead and set umask early if it is in the config
if arbiter.umask is not None:
os.umask(arbiter.umask)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as e:
print(str(e))
sys.exit(1)
# configure the logger
loglevel = args.loglevel or arbiter.loglevel or 'info'
logoutput = args.logoutput or arbiter.logoutput or '-'
configure_logger(logger, loglevel, logoutput)
# Main loop
restart = True
while restart:
try:
arbiter = arbiter or Arbiter.load_from_config(args.config)
future = arbiter.start()
restart = False
if check_future_exception_and_log(future) is None:
restart = arbiter._restarting
except Exception as e:
# emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop)
raise(e)
except KeyboardInterrupt:
pass
finally:
arbiter = None
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
def test_pidfile_data(self):
proc = subprocess.Popen(SLEEP % 120, shell=True)
fd, path = tempfile.mkstemp()
os.write(fd, "fail-to-validate\n".encode('utf-8'))
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.create(proc.pid)
self.assertTrue(os.path.exists(path))
pid = 0
with open(path, "r") as f:
pid = int(f.read() or 0)
self.assertEqual(pid, proc.pid)
finally:
os.remove(path)
fd, path = tempfile.mkstemp()
proc2 = subprocess.Popen(SLEEP % 0, shell=True)
os.write(fd, "{0}\n".format(proc2.pid).encode('utf-8'))
os.close(fd)
proc2.wait()
try:
pidfile = Pidfile(path)
self.assertNotEqual(proc2.pid, proc.pid)
pidfile.create(proc.pid)
finally:
os.remove(path)
fd, path = tempfile.mkstemp()
os.write(fd, "fail-to-int\n".encode('utf-8'))
os.close(fd)
try:
pidfile = Pidfile(path)
pidfile.unlink()
self.assertFalse(os.path.exists(path))
except Exception as e:
self.fail(str(e))
def main():
import zmq
try:
zmq_version = [int(part) for part in zmq.__version__.split('.')]
if len(zmq_version) < 2:
raise ValueError()
except (AttributeError, ValueError):
print('Unknown PyZQM version - aborting...')
sys.exit(0)
if zmq_version[0] < 13 or (zmq_version[0] == 13 and zmq_version[1] < 1):
print('circusd needs PyZMQ >= 13.1.0 to run - aborting...')
sys.exit(0)
parser = argparse.ArgumentParser(description='Run some watchers.')
parser.add_argument('config', help='configuration file', nargs='?')
# XXX we should be able to add all these options in the config file as well
parser.add_argument('--log-level',
dest='loglevel',
choices=list(LOG_LEVELS.keys()) +
[key.upper() for key in LOG_LEVELS.keys()],
help="log level")
parser.add_argument(
'--log-output',
dest='logoutput',
help=(
"The location where the logs will be written. The default behavior "
"is to write to stdout (you can force it by passing '-' to "
"this option). Takes a filename otherwise."))
parser.add_argument(
"--logger-config",
dest="loggerconfig",
help=("The location where a standard Python logger configuration INI, "
"JSON or YAML file can be found. This can be used to override "
"the default logging configuration for the arbiter."))
parser.add_argument('--daemon',
dest='daemonize',
action='store_true',
help="Start circusd in the background")
parser.add_argument('--pidfile', dest='pidfile')
parser.add_argument('--version',
action='store_true',
default=False,
help='Displays Circus version and exits.')
args = parser.parse_args()
if args.version:
print(__version__)
sys.exit(0)
if args.config is None:
parser.print_usage()
sys.exit(0)
if args.daemonize:
daemonize()
# From here it can also come from the arbiter configuration
# load the arbiter from config
arbiter = Arbiter.load_from_config(args.config)
# go ahead and set umask early if it is in the config
if arbiter.umask is not None:
os.umask(arbiter.umask)
pidfile = args.pidfile or arbiter.pidfile or None
if pidfile:
pidfile = Pidfile(pidfile)
try:
pidfile.create(os.getpid())
except RuntimeError as e:
print(str(e))
sys.exit(1)
# configure the logger
loglevel = args.loglevel or arbiter.loglevel or 'info'
logoutput = args.logoutput or arbiter.logoutput or '-'
loggerconfig = args.loggerconfig or arbiter.loggerconfig or None
configure_logger(logger, loglevel, logoutput, loggerconfig)
# Main loop
restart = True
while restart:
try:
arbiter = arbiter or Arbiter.load_from_config(args.config)
future = arbiter.start()
restart = False
if check_future_exception_and_log(future) is None:
restart = arbiter._restarting
except Exception as e:
# emergency stop
arbiter.loop.run_sync(arbiter._emergency_stop)
raise (e)
except KeyboardInterrupt:
pass
finally:
arbiter = None
if pidfile is not None:
pidfile.unlink()
sys.exit(0)
