def test_flapping():
m = Manager()
m.start()
cmd, args, wdir = crash_cmd()
flapping = FlappingInfo(attempts=1, window=1, retry_in=0.1, max_retry=2)
m.add_process("crashing", cmd, args=args, cwd=wdir, flapping=flapping)
state = m.get_process_state("crashing")
def cb(handle):
handle.stop()
assert state.stopped == True
t = pyuv.Timer(m.loop)
t.start(cb, 0.8, 0.8)
m.add_process("crashing2", cmd, args=args, cwd=wdir)
state = m.get_process_state("crashing2")
def cb1(handle):
handle.stop()
assert state.stopped == False
t = pyuv.Timer(m.loop)
t.start(cb1, 0.8, 0.8)
m.stop()
m.run()
def test_events():
emitted = []
m = Manager()
m.start()
def cb(ev, msg):
emitted.append((ev, msg['name']))
# subscribe to all events
m.on('.', cb)
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
m.ttin("dummy", 1)
m.remove_process("dummy")
time.sleep(0.2)
m.stop()
m.run()
assert ('create', 'dummy') in emitted
assert ('start', 'dummy') in emitted
assert ('update', 'dummy') in emitted
assert ('stop', 'dummy') in emitted
assert ('delete', 'dummy') in emitted
def test_monitor():
m = Manager()
monitored = []
def cb(evtype, info):
monitored.append((evtype, info))
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("a", cmd, args=args, cwd=wdir)
time.sleep(0.2)
pid = m.running[1].pid
m.monitor("a", cb)
def stop(handle):
m.unmonitor("a", cb)
m.stop()
t = pyuv.Timer(m.loop)
t.start(stop, 0.3, 0.0)
m.run()
assert len(monitored) >= 1
res = monitored[0]
assert res[0] == "stat"
assert "cpu" in res[1]
assert res[1]["pid"] == pid
def test_ttin():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=1)
state = m.get_process_state("dummy")
assert len(state.running) == 1
ret = m.ttin("dummy", 1)
assert ret == 2
time.sleep(0.2)
assert len(state.running) == 2
ret = m.ttin("dummy", 1)
assert ret == 3
time.sleep(0.2)
assert len(state.running) == 3
ret = m.ttin("dummy", 3)
assert ret == 6
time.sleep(0.2)
assert len(state.running) == 6
m.stop()
m.run()
def test_manager_hooks():
hooks = create_hooks(['create', 'start', 'update', 'stop',
'delete', 'proc.dummy.start', 'proc.dummy.spawn',
'proc.dummy.stop', 'proc.dummy.exit'])
emitted = []
loop = pyuv.Loop.default_loop()
s = get_server(loop, emitted)
s.start()
m = Manager(loop=loop)
m.start(apps=[WebHooks(hooks)])
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
m.ttin("dummy", 1)
m.remove_process("dummy")
time.sleep(0.2)
def on_stop(manager):
s.stop()
m.stop(on_stop)
m.run()
assert ('create', 'dummy') in emitted
assert ('start', 'dummy') in emitted
assert ('update', 'dummy') in emitted
assert ('stop', 'dummy') in emitted
assert ('delete', 'dummy') in emitted
assert ('proc.dummy.start', 'dummy') in emitted
assert ('proc.dummy.spawn', 'dummy') in emitted
assert ('proc.dummy.stop', 'dummy') in emitted
assert ('proc.dummy.exit', 'dummy') in emitted
def test_send_signal():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir)
time.sleep(0.2)
state = m.get_process_state("dummy")
processes = state.list_processes()
m.send_signal("dummy", signal.SIGHUP)
time.sleep(0.2)
m.send_signal(processes[0].id, signal.SIGHUP)
m.stop_process("dummy")
def stop(handle):
handle.stop()
m.stop()
t = pyuv.Timer(m.loop)
t.start(stop, 0.8, 0.0)
m.run()
with open(testfile, 'r') as f:
res = f.read()
assert res == 'STARTHUPHUPQUITSTOP'
def test_manager_hooks():
hooks = create_hooks([
'create', 'start', 'update', 'stop', 'delete', 'proc.dummy.start',
'proc.dummy.spawn', 'proc.dummy.stop', 'proc.dummy.exit'
])
emitted = []
loop = pyuv.Loop.default_loop()
s = get_server(loop, emitted)
s.start()
m = Manager(loop=loop)
m.start(apps=[WebHooks(hooks)])
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
m.ttin("dummy", 1)
m.remove_process("dummy")
time.sleep(0.2)
def on_stop(manager):
s.stop()
m.stop(on_stop)
m.run()
assert ('create', 'dummy') in emitted
assert ('start', 'dummy') in emitted
assert ('update', 'dummy') in emitted
assert ('stop', 'dummy') in emitted
assert ('delete', 'dummy') in emitted
assert ('proc.dummy.start', 'dummy') in emitted
assert ('proc.dummy.spawn', 'dummy') in emitted
assert ('proc.dummy.stop', 'dummy') in emitted
assert ('proc.dummy.exit', 'dummy') in emitted
def test_start_multiple():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=2)
state = m.get_process_state("dummy")
assert len(state.running) == 2
m.stop()
m.run()
def test_start_stop_process():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir)
state = m.get_process_state("dummy")
assert len(state.running) == 1
m.stop_process("dummy")
assert len(state.running) == 0
m.stop()
m.run()
def test_simple_process():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, start=False)
state = m.get_process_state("dummy")
assert state.numprocesses == 1
assert state.name == "dummy"
assert state.cmd == cmd
assert state.settings['args'] == args
assert state.settings['cwd'] == wdir
m.remove_process("dummy")
assert m.get_process_state("dummy") == None
m.stop()
m.run()
def test_numprocesses():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
state = m.get_process_state("dummy")
assert len(state.running) == 4
state.numprocesses = 0
assert state.numprocesses == 0
m.manage_process("dummy")
time.sleep(0.2)
assert len(state.running) == 0
m.stop()
m.run()
def test_processes_stats():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
testfile1, cmd1, args1, wdir1 = dummy_cmd()
m.add_process("a", cmd, args=args, cwd=wdir)
time.sleep(0.2)
infos = list(m.processes_stats())
m.add_process("b", cmd, args=args, cwd=wdir)
infos2 = list(m.processes_stats())
m.stop()
m.run()
assert len(infos) == 1
assert len(infos2) == 2
assert infos[0]['name'] == "a"
assert infos2[0]['name'] == "a"
assert infos2[1]['name'] == "b"
def test_process_stats():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir)
time.sleep(0.2)
info = m.get_process_stats("dummy")
info_by_id = m.get_process_stats(1)
pid = m.running[1].pid
m.stop()
m.run()
assert isinstance(info, dict)
assert isinstance(info_by_id, dict)
assert "pid" in info_by_id
assert info_by_id["pid"] == pid
assert info['name'] == "dummy"
assert len(info['stats']) == 1
assert info['stats'][0]['pid'] == info_by_id['pid']
def test_process_id():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
state = m.get_process_state("dummy")
processes = state.list_processes()
assert isinstance(processes, list)
p = processes[0]
assert isinstance(p, Process)
assert p.id == 1
p = processes[2]
assert p.id == 3
m.stop()
m.run()
def test_group():
m = Manager()
started = []
stopped = []
def cb(evtype, info):
if evtype == "start":
started.append(info['name'])
elif evtype == "stop":
stopped.append(info['name'])
m.start()
m.subscribe('start', cb)
m.subscribe('stop', cb)
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("ga:a", cmd, args=args, cwd=wdir, start=False)
m.add_process("ga:b", cmd, args=args, cwd=wdir, start=False)
m.add_process("gb:a", cmd, args=args, cwd=wdir, start=False)
groups = sorted(m.get_groups())
ga1 = m.get_group('ga')
gb1 = m.get_group('gb')
m.start_group("ga")
m.stop_group("ga")
time.sleep(0.2)
m.remove_process("ga:a")
ga2 = m.get_group('ga')
m.stop_group("gb")
def stop(handle):
m.unsubscribe("start", cb)
m.unsubscribe("stop", cb)
m.stop()
t = pyuv.Timer(m.loop)
t.start(stop, 0.6, 0.0)
m.run()
assert groups == ['ga', 'gb']
assert ga1 == ['ga:a', 'ga:b']
assert gb1 == ['gb:a']
assert started == ['ga:a', 'ga:b']
assert stopped == ['ga:a', 'ga:b', 'gb:a']
assert ga2 == ['ga:b']
def test_restart_manager():
results = []
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
state = m.get_process_state("dummy")
results.append(state.pids)
def cb(manager):
state = m.get_process_state("dummy")
results.append(state.pids)
m.stop()
m.restart()
t = pyuv.Timer(m.loop)
t.start(cb, 0.4, 0.0)
m.run()
assert results[0] != results[1]
def test_process_events():
emitted = []
m = Manager()
m.start()
def cb(ev, *args):
emitted.append(ev)
# subscribe to all events
m.on('proc.dummy', cb)
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir)
m.stop_process("dummy")
time.sleep(0.2)
m.stop()
m.run()
assert 'proc.dummy.start' in emitted
assert 'proc.dummy.spawn' in emitted
assert 'proc.dummy.stop' in emitted
assert 'proc.dummy.exit' in emitted
def test_priority():
m = Manager()
started = []
def cb(evtype, info):
started.append(info['name'])
m.start()
m.subscribe('start', cb)
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("a", cmd, args=args, cwd=wdir, start=False)
m.add_process("d", cmd, args=args, cwd=wdir, start=False)
m.add_process("b", cmd, args=args, cwd=wdir, start=False)
m.start_processes()
def stop(handle):
m.unsubscribe("start", cb)
m.stop()
t = pyuv.Timer(m.loop)
t.start(stop, 0.4, 0.0)
m.run()
assert started == ["a", "d", "b"]
def test_flapping():
m = Manager()
m.start()
states = []
cmd, args, wdir = crash_cmd()
flapping = FlappingInfo(attempts=1, window=1., retry_in=0.1,
max_retry=1)
m.add_process("crashing", cmd, args=args, cwd=wdir, flapping=flapping)
m.add_process("crashing2", cmd, args=args, cwd=wdir)
time.sleep(0.2)
def cb(handle):
state = m.get_process("crashing")
states.append(state.stopped)
state2 = m.get_process("crashing2")
states.append(state2.stopped)
m.stop()
t = pyuv.Timer(m.loop)
t.start(cb, 0.8, 0.0)
m.run()
assert states == [True, False]
def test_process_exit_event():
emitted = []
m = Manager()
m.start()
def cb(ev, msg):
emitted.append(msg)
# subscribe to all events
m.on('proc.dummy.exit', cb)
testfile, cmd, args, wdir = dummy_cmd()
m.add_process("dummy", cmd, args=args, cwd=wdir)
m.stop_process("dummy")
time.sleep(0.2)
m.stop()
m.run()
assert len(emitted) == 1
assert len(emitted[0]) == 6
msg = emitted[0]
assert "exit_status" in msg
