def test_start_with_invalid_operation(self):
"""
periodic.start() should swallow any error that
periodic.Operation.start() may raise, and keep starting
the other operations after the failed one.
"""
lock = threading.Lock()
done = threading.Event()
def _work():
with lock:
self.tasks -= 1
if not self.tasks:
done.set()
ops = [
periodic.Operation(_work,
period=1.0,
scheduler=self.sched,
executor=self.exc),
# will raise periodic.InvalidValue
periodic.Operation(lambda: None, period=0,
scheduler=self.sched,
executor=self.exc),
periodic.Operation(_work,
period=1.0,
scheduler=self.sched,
executor=self.exc),
]
with MonkeyPatchScope([
(periodic, 'config',
make_config([('sampling', 'enable', 'false')])),
(periodic, '_create', lambda cif, sched: ops),
]):
# Don't assume operations are started in order,
# we just know all of them will be start()ed.
# See the documentation of periodic.start()
periodic.start(fake.ClientIF(), self.sched)
done.wait(0.5)
self.assertTrue(done.is_set())
def serve_clients(log):
cif = None
irs = None
scheduler = None
running = [True]
def sigtermHandler(signum, frame):
log.info("Received signal %s, shutting down" % signum)
running[0] = False
def sigusr1Handler(signum, frame):
if irs:
log.info("Received signal %s, stopping SPM" % signum)
# pylint: disable=no-member
# TODO remove when side effect removed from HSM.__init__ and
# initialize it in line #63
irs.spmStop(irs.getConnectedStoragePoolsList()['poollist'][0])
sigutils.register()
signal.signal(signal.SIGTERM, sigtermHandler)
signal.signal(signal.SIGUSR1, sigusr1Handler)
zombiereaper.registerSignalHandler()
profile.start()
metrics.start()
libvirtconnection.start_event_loop()
try:
if config.getboolean('irs', 'irs_enable'):
try:
irs = Dispatcher(HSM())
except:
panic("Error initializing IRS")
scheduler = schedule.Scheduler(name="vdsm.Scheduler",
clock=time.monotonic_time)
scheduler.start()
from vdsm.clientIF import clientIF # must import after config is read
cif = clientIF.getInstance(irs, log, scheduler)
jobs.start(scheduler, cif)
install_manhole({'irs': irs, 'cif': cif})
cif.start()
init_unprivileged_network_components(cif)
periodic.start(cif, scheduler)
health.start()
try:
while running[0]:
sigutils.wait_for_signal()
profile.stop()
finally:
metrics.stop()
health.stop()
periodic.stop()
cif.prepareForShutdown()
jobs.stop()
scheduler.stop()
finally:
libvirtconnection.stop_event_loop(wait=False)
def serve_clients(log):
cif = None
irs = None
scheduler = None
running = [True]
def sigtermHandler(signum, frame):
log.info("Received signal %s, shutting down" % signum)
running[0] = False
def sigusr1Handler(signum, frame):
if irs:
log.info("Received signal %s, stopping SPM" % signum)
# pylint: disable=no-member
# TODO remove when side effect removed from HSM.__init__ and
# initialize it in line #63
irs.spmStop(
irs.getConnectedStoragePoolsList()['poollist'][0])
sigutils.register()
signal.signal(signal.SIGTERM, sigtermHandler)
signal.signal(signal.SIGUSR1, sigusr1Handler)
zombiereaper.registerSignalHandler()
profile.start()
metrics.start()
libvirtconnection.start_event_loop()
try:
if config.getboolean('irs', 'irs_enable'):
try:
irs = Dispatcher(HSM())
except:
panic("Error initializing IRS")
scheduler = schedule.Scheduler(name="vdsm.Scheduler",
clock=time.monotonic_time)
scheduler.start()
from vdsm.clientIF import clientIF # must import after config is read
cif = clientIF.getInstance(irs, log, scheduler)
jobs.start(scheduler, cif)
install_manhole({'irs': irs, 'cif': cif})
cif.start()
init_unprivileged_network_components(cif, supervdsm.getProxy())
periodic.start(cif, scheduler)
health.start()
try:
while running[0]:
sigutils.wait_for_signal()
profile.stop()
finally:
metrics.stop()
health.stop()
periodic.stop()
cif.prepareForShutdown()
jobs.stop()
scheduler.stop()
finally:
libvirtconnection.stop_event_loop(wait=False)