def setup_selfheal_service(clock, config, dispatcher, health_checker, log):
"""
Setup selfheal timer service and return it.
:param clock: :obj:`IReactorTime` provider
:param dict config: Configuration dict containing selfheal info
:param dispatcher: Effect dispatcher
:param health_checker: ``HealthChecker`` object where SelfHeal's health
check will be added
:param log: :obj:`BoundLog` logger used by service
:return: selfheal service or None if relevant config is not found
:rtype: :obj:`IService`
"""
if "selfheal" not in config:
return None
interval = get_in(["selfheal", "interval"], config, no_default=True)
selfheal = SelfHeal(clock, dispatcher, config_value, interval, log)
func, lock = zk.locked_logged_func(
dispatcher, "/selfheallock", log, "selfheal-lock-acquired",
selfheal.setup)
health_checker.checks["selfheal"] = zk.create_health_check(lock)
sh_timer = TimerService(interval, func)
sh_timer.clock = clock
return sh_timer
def setup_selfheal_service(clock, config, dispatcher, health_checker, log):
"""
Setup selfheal timer service and return it.
:param clock: :obj:`IReactorTime` provider
:param dict config: Configuration dict containing selfheal info
:param dispatcher: Effect dispatcher
:param health_checker: ``HealthChecker`` object where SelfHeal's health
check will be added
:param log: :obj:`BoundLog` logger used by service
:return: selfheal service or None if relevant config is not found
:rtype: :obj:`IService`
"""
if "selfheal" not in config:
return None
interval = get_in(["selfheal", "interval"], config, no_default=True)
selfheal = SelfHeal(clock, dispatcher, config_value, interval, log)
func, lock = zk.locked_logged_func(dispatcher, "/selfheallock", log,
"selfheal-lock-acquired",
selfheal.setup)
health_checker.checks["selfheal"] = zk.create_health_check(lock)
sh_timer = TimerService(interval, func)
sh_timer.clock = clock
return sh_timer
def test_composition(self):
"""
Ensure :func:`locked` and :func:`add_acquired_log` are called in
sequence with correct parameters
"""
self.patch(zk, "PollingLock", exp_func(self, "lock", "disp", "/path"))
self.patch(zk, "locked",
exp_func(self, "locked_f", "lock", "disp", "func", 1))
self.patch(zk, "add_acquired_log",
exp_func(self, "llf", "log", "msg", "locked_f"))
wf, lock = zk.locked_logged_func("disp", "/path", "log", "msg",
"func", 1)
self.assertEqual(wf, "llf")
self.assertEqual(lock, "lock")
def test_composition(self):
"""
Ensure :func:`locked` and :func:`add_acquired_log` are called in
sequence with correct parameters
"""
self.patch(zk, "PollingLock", exp_func(self, "lock", "disp", "/path"))
self.patch(zk, "locked",
exp_func(self, "locked_f", "lock", "disp", "func", 1))
self.patch(zk, "add_acquired_log",
exp_func(self, "llf", "log", "msg", "locked_f"))
wf, lock = zk.locked_logged_func("disp", "/path", "log", "msg", "func",
1)
self.assertEqual(wf, "llf")
self.assertEqual(lock, "lock")