def test_backend_reload(self):
"""Test reload with different backends"""
config = RawConfigParser()
config.add_section('performance')
# minimum scanner threads
config.set('performance', 'minthreads', 2)
# maximum scanner threads
config.set('performance', 'maxthreads', 40)
# Method for parallelism, either 'thread' or 'process'
config.set('performance', 'backend', 'process')
# Initial number of processes when backend='process'.
# If 0 (the default), automatically selects twice the number of available virtual cores.
# Despite its 'initial'-name, this number currently is not adapted automatically.
config.set('performance', 'initialprocs', 10)
config.set('performance', 'join_timeout', 2.0)
mc = MainController(config)
mc.propagate_core_defaults()
# usually the backend is loaded by "startup()" which is run
# in a separate thread because it goes to the event loop. I'll just
# directly start a the threadpool here...
mc.threadpool = mc._start_threadpool()
time.sleep(0.1)
try:
self.assertIsNone(mc.procpool)
self.assertIsNotNone(mc.threadpool)
except AttributeError:
# Python 2.6
self.assertTrue(mc.procpool is None)
self.assertTrue(mc.threadpool is not None)
# now reload will replace the threadpool by a procpool
mc.reload()
time.sleep(0.1)
try:
self.assertIsNone(mc.threadpool)
self.assertIsNotNone(mc.procpool)
except AttributeError:
# Python 2.6
self.assertTrue(mc.threadpool is None)
self.assertTrue(mc.procpool is not None)
config.set('performance', 'backend', 'thread')
# now reload will replace the procpool by a threadpool
mc.reload()
time.sleep(0.1)
try:
self.assertIsNone(mc.procpool)
self.assertIsNotNone(mc.threadpool)
except AttributeError:
# Python 2.6
self.assertTrue(mc.procpool is None)
self.assertTrue(mc.threadpool is not None)
mc.shutdown()
def test_multiple_mcs(self):
"""Just start multiple controllers """
config = RawConfigParser()
mclist = []
for i in range(10):
mc = MainController(config)
mc.propagate_core_defaults()
mclist.append(mc)
for mc in mclist:
# usually the backend is loaded by "startup()" which is run
# in a separate thread because it goes to the event loop. I'll just
# directly start a the threadpool here...
mc.threadpool = mc._start_threadpool()
time.sleep(0.1)
for mc in mclist:
mc.shutdown()
def test_multiple_mcs_reload(self):
"""
Even if there are multiple MainControllers they should not cause crashes as long as they
don't start control servers...
"""
config = RawConfigParser()
config.add_section('performance')
# minimum scanner threads
config.set('performance', 'minthreads', 2)
# maximum scanner threads
config.set('performance', 'maxthreads', 40)
# Method for parallelism, either 'thread' or 'process'
config.set('performance', 'backend', 'process')
# Initial number of processes when backend='process'.
# If 0 (the default), automatically selects twice the number of available virtual cores.
# Despite its 'initial'-name, this number currently is not adapted automatically.
config.set('performance', 'initialprocs', 0)
config = RawConfigParser()
mclist = []
for i in range(3):
mc = MainController(config)
mc.propagate_core_defaults()
mclist.append(mc)
for mc in mclist:
# usually the backend is loaded by "startup()" which is run
# in a separate thread because it goes to the event loop. I'll just
# directly start a the threadpool here...
mc.threadpool = mc._start_threadpool()
time.sleep(0.1)
for mc in mclist:
mc.reload()
time.sleep(0.1)
for mc in mclist:
mc.shutdown()