def main_loop(poller=None, conf=None, foreground=False):
global shutting_down
shutting_down = gevent.event.Event()
gevent.monkey.patch_all(thread=False)
# define custom signal handlers
signal.signal(signal.SIGINT, shutdown_handler)
signal.signal(signal.SIGTERM, shutdown_handler)
# set up logging
log_level_string = conf.get("PROVISION_LOG_LEVEL") or conf["LOG_LEVEL"]
log_level = getattr(logging, log_level_string.upper(), logging.DEBUG)
logging.getLogger().setLevel(log_level)
if foreground:
add_stderr_logger(logging.getLogger(), log_level=log_level)
else:
log_file = conf["PROVISION_LOG_FILE"]
add_rotating_file_logger(logging.getLogger(), log_file,
log_level=log_level, format=conf["VERBOSE_LOG_FORMAT"])
logger.debug('Clearing old running commands')
poller.clear_running_commands(u'Stale command cleared on startup')
logger.debug('Entering main provision loop')
while True:
try:
poller.poll()
except:
logger.exception('Failed to poll for queued commands')
if shutting_down.wait(timeout=conf.get('SLEEP_TIME', 20)):
gevent.hub.get_hub().join() # let running greenlets terminate
break
logger.debug('Exited main provision loop')
def main_loop(transfer, conf=None, foreground=False):
"""infinite daemon loop"""
# define custom signal handlers
signal.signal(signal.SIGTERM, daemon_shutdown)
# set up logging
log_level_string = conf.get("TRANSFER_LOG_LEVEL") or conf["LOG_LEVEL"]
log_level = getattr(logging, log_level_string.upper(), logging.DEBUG)
logging.getLogger().setLevel(log_level)
if foreground:
add_stderr_logger(logging.getLogger(), log_level=log_level)
else:
log_file = conf["TRANSFER_LOG_FILE"]
add_rotating_file_logger(logging.getLogger(), log_file,
log_level=log_level, format=conf["VERBOSE_LOG_FORMAT"])
while True:
try:
transfer.hub._login()
# Look for logs to transfer if none transfered then sleep
if not transfer.transfer_logs():
logger.debug(80 * '-')
transfer.sleep()
# write to stdout / stderr
sys.stdout.flush()
sys.stderr.flush()
except socket.sslerror:
pass # will try again..
except (ShutdownException, KeyboardInterrupt):
# ignore keyboard interrupts and sigterm
signal.signal(signal.SIGINT, signal.SIG_IGN)
signal.signal(signal.SIGTERM, signal.SIG_IGN)
logger.info('Exiting...')
break
except:
# this is a little extreme: log the exception and continue
traceback = Traceback()
logger.error(traceback.get_traceback())
transfer.sleep()
def main_loop(conf=None, foreground=False):
"""infinite daemon loop"""
# define custom signal handlers
signal.signal(signal.SIGTERM, daemon_shutdown)
# set up logging
log_level_string = conf.get("WATCHDOG_LOG_LEVEL") or conf["LOG_LEVEL"]
log_level = getattr(logging, log_level_string.upper(), logging.DEBUG)
logging.getLogger().setLevel(log_level)
if foreground:
add_stderr_logger(logging.getLogger(), log_level=log_level)
else:
log_file = conf["WATCHDOG_LOG_FILE"]
add_rotating_file_logger(logging.getLogger(), log_file,
log_level=log_level, format=conf["VERBOSE_LOG_FORMAT"])
try:
watchdog = Watchdog(conf=conf)
except Exception, ex:
sys.stderr.write("Error initializing Watchdog: %s\n" % ex)
sys.exit(1)
def main_loop(proxy=None, conf=None, foreground=False):
"""infinite daemon loop"""
global shutting_down
shutting_down = gevent.event.Event()
gevent.monkey.patch_all()
# define custom signal handlers
signal.signal(signal.SIGINT, daemon_shutdown)
signal.signal(signal.SIGTERM, daemon_shutdown)
# set up logging
log_level_string = conf["LOG_LEVEL"]
log_level = getattr(logging, log_level_string.upper(), logging.DEBUG)
logging.getLogger().setLevel(log_level)
if foreground:
add_stderr_logger(logging.getLogger(), log_level=log_level)
else:
log_file = conf["LOG_FILE"]
add_rotating_file_logger(logging.getLogger(), log_file,
log_level=log_level, format=conf["VERBOSE_LOG_FORMAT"])
login = RepeatTimer(conf['RENEW_SESSION_INTERVAL'], proxy.hub._login,
stop_on_exception=False)
login.daemon = True
login.start()
server = gevent.wsgi.WSGIServer(('', 8000), WSGIApplication(proxy),
handler_class=WSGIHandler, spawn=gevent.pool.Pool())
server.stop_timeout = None
server.start()
try:
shutting_down.wait()
finally:
server.stop()
login.stop()