def start_manager():
http_endpoint = HttpEndpoint(uri="%s:%s" % (TEST_HOST, TEST_PORT))
http_handler = HttpHandler(endpoints=[http_endpoint])
m = Manager()
m.start(apps=[http_handler])
time.sleep(0.2)
return m
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_process_exit_event():
emitted = []
m = Manager()
m.start()
def cb(ev, msg):
emitted.append(msg)
# subscribe to all events
m.events.subscribe('job.default.dummy.exit', cb)
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir)
m.load(config)
m.unload("dummy")
time.sleep(0.2)
m.stop()
m.run()
assert len(emitted) == 1
assert len(emitted[0]) == 7
msg = emitted[0]
assert "exit_status" in msg
assert msg['once'] == False
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_basic():
emitted = []
m = Manager()
m.start()
def cb(ev, msg):
emitted.append((ev, msg['name']))
# subscribe to all events
chan = m.subscribe("EVENTS")
chan.bind('.', cb)
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
m.load(config)
m.scale("dummy", 1)
m.unload("dummy")
time.sleep(0.2)
m.stop()
m.run()
assert ('load', 'default.dummy') in emitted
assert ('start', 'default.dummy') in emitted
assert ('update', 'default.dummy') in emitted
assert ('stop', 'default.dummy') in emitted
assert ('unload', 'default.dummy') in emitted
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_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_priority():
m = Manager()
started = []
def cb(evtype, info):
started.append(info['name'])
m.start()
m.events.subscribe('start', cb)
testfile, cmd, args, wdir = dummy_cmd()
a = ProcessConfig("a", cmd, args=args, cwd=wdir)
b = ProcessConfig("b", cmd, args=args, cwd=wdir)
c = ProcessConfig("c", cmd, args=args, cwd=wdir)
m.load(a, start=False)
m.load(b, start=False)
m.load(c, start=False)
# start all processes
m.jobs_walk(lambda mgr, label: mgr.start_job(label))
def stop(handle):
m.events.unsubscribe("start", cb)
m.stop()
t = pyuv.Timer(m.loop)
t.start(stop, 0.4, 0.0)
m.run()
assert started == ["default.a", "default.b", "default.c"]
def test_sessions():
m = Manager()
started = []
stopped = []
def cb(evtype, info):
if evtype == "start":
started.append(info['name'])
elif evtype == "stop":
stopped.append(info['name'])
start_job = lambda mgr, label: mgr.start_job(label)
stop_job = lambda mgr, label: mgr.stop_job(label)
m.start()
m.events.subscribe('start', cb)
m.events.subscribe('stop', cb)
testfile, cmd, args, wdir = dummy_cmd()
a = ProcessConfig("a", cmd, args=args, cwd=wdir)
b = ProcessConfig("b", cmd, args=args, cwd=wdir)
# load process config in different sessions
m.load(a, sessionid="ga", start=False)
m.load(b, sessionid="ga", start=False)
m.load(a, sessionid="gb", start=False)
sessions = m.sessions
ga1 = m.jobs('ga')
gb1 = m.jobs('gb')
m.jobs_walk(start_job, "ga")
m.jobs_walk(start_job, "gb")
ga2 = []
def rem_cb(h):
m.unload("a", sessionid="ga")
[ga2.append(name) for name in m.jobs('ga')]
t0 = pyuv.Timer(m.loop)
t0.start(rem_cb, 0.2, 0.0)
m.jobs_walk(stop_job, "gb")
def stop(handle):
m.events.unsubscribe("start", cb)
m.events.unsubscribe("stop", cb)
m.stop()
t = pyuv.Timer(m.loop)
t.start(stop, 0.6, 0.0)
m.run()
assert len(sessions) == 2
assert sessions == ['ga', 'gb']
assert ga1 == ['ga.a', 'ga.b']
assert gb1 == ['gb.a']
assert started == ['ga.a', 'ga.b', 'gb.a']
assert stopped == ['gb.a', 'ga.a']
assert ga2 == ['ga.b']
def test_processes_stats():
def collect_cb(inf, m, name):
inf.append(m.stats(name))
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
testfile1, cmd1, args1, wdir1 = dummy_cmd()
configa = ProcessConfig("a", cmd, args=args, cwd=wdir)
m.load(configa)
time.sleep(0.2)
infos = []
infos2 = []
m.jobs_walk(partial(collect_cb, infos))
configb = ProcessConfig("b", cmd, args=args, cwd=wdir)
m.load(configb)
m.jobs_walk(partial(collect_cb, infos2))
m.stop()
m.run()
assert len(infos) == 1
assert len(infos2) == 2
assert infos[0]['name'] == "default.a"
assert infos2[0]['name'] == "default.a"
assert infos2[1]['name'] == "default.b"
def test_stats():
m = Manager()
monitored = []
def cb(info):
monitored.append(info)
m.start()
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("a", cmd, args=args, cwd=wdir)
m.load(config)
os_pid = m.running[1].os_pid
chan = m.subscribe("STATS:default.a")
chan.bind(cb)
def stop(handle):
chan.unbind(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 "cpu" in res
assert res["os_pid"] == os_pid
def test_flapping():
m = Manager()
m.start()
states = []
cmd, args, wdir = crash_cmd()
# create flapping info object
flapping = FlappingInfo(attempts=1., window=1, retry_in=0.1, max_retry=1)
# load conf
conf1 = ProcessConfig("crashing",
cmd,
args=args,
cwd=wdir,
flapping=flapping)
conf2 = ProcessConfig("crashing2", cmd, args=args, cwd=wdir)
m.load(conf1)
m.load(conf2)
time.sleep(0.2)
def cb(handle):
state = m._get_locked_state("crashing")
states.append(state.stopped)
state2 = m._get_locked_state("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_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_send_signal():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir)
m.load(config)
time.sleep(0.2)
m.killall("dummy", signal.SIGHUP)
time.sleep(0.2)
with pytest.raises(ProcessError) as e:
m.killall("dummy1", signal.SIGHUP)
assert e.errno == 404
m.stop_job("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 == 'STARTHUPQUITSTOP'
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_scalein():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir, numprocesses=1)
m.load(config)
state = m._get_locked_state("dummy")
assert len(state.running) == 1
ret = m.scale("dummy", 1)
assert ret == 2
time.sleep(0.2)
assert len(state.running) == 2
ret = m.scale("dummy", 1)
assert ret == 3
time.sleep(0.2)
assert len(state.running) == 3
ret = m.scale("dummy", 3)
assert ret == 6
time.sleep(0.2)
assert len(state.running) == 6
m.stop()
m.run()
def test_process_events():
emitted = []
m = Manager()
m.start()
def cb(ev, *args):
emitted.append(ev)
# subscribe to all events
chan = m.subscribe("JOB:default.dummy")
chan.bind_all(cb)
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir)
m.load(config)
m.unload(config)
time.sleep(0.2)
m.stop()
m.run()
assert 'start' in emitted
assert 'spawn' in emitted
assert 'stop' in emitted
assert 'exit' in emitted
def test_monitor():
m = Manager()
monitored = []
def cb(evtype, info):
monitored.append((evtype, info))
m.start()
testfile, cmd, args, wdir = dummy_cmd()
configa = ProcessConfig("a", cmd, args=args, cwd=wdir)
m.load(configa)
time.sleep(0.2)
os_pid = m.running[1].os_pid
m.monitor(cb, "a")
def stop(handle):
m.unmonitor(cb, "a")
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]["os_pid"] == os_pid
def test_lookup_client_events():
# intiallize the lookupd server
loop = pyuv.Loop.default_loop()
r = Registry(loop)
sock = bind_sockets(LOOKUPD_ADDR)
io_loop = IOLoop(_loop=loop)
server = http_server(io_loop, sock, registration_db=r)
server.start()
lookup_address = "http://%s" % LOOKUPD_ADDR
client = LookupServer(lookup_address, loop)
channel = client.lookup()
emitted = []
def cb(event, msg):
emitted.append((event, msg))
channel.bind_all(cb)
channel.start()
http_handler = HttpHandler(
MockConfig(bind=GAFFERD_ADDR, lookupd_addresses=[lookup_address]))
m = Manager(loop=loop)
t = pyuv.Timer(loop)
t0 = pyuv.Timer(loop)
def do_stop(h):
channel.close()
server.stop()
io_loop.close(True)
def stop_server(m):
t.start(do_stop, 0.4, 0.0)
def wait(h):
m.stop(stop_server)
def on_manager(h):
# start the manager with the HTTP API
m.start(apps=[http_handler])
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir)
m.load(config)
m.stop_process(1)
m.unload("dummy")
h.start(wait, 0.3, 0.0)
t0.start(on_manager, 0.3, 0.0)
loop.run()
actions = [line[0] for line in emitted]
assert len(emitted) == 7
assert list(actions) == [
'add_node', 'identify', 'add_job', 'add_process', 'remove_process',
'remove_job', 'remove_node'
]
def test_simple():
m = Manager()
m.start()
assert m.started == True
def on_stop(manager):
assert manager.started == False
m.stop(on_stop)
m.run()
def test_start_multiple():
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir, numprocesses=2)
m.load(config)
state = m._get_locked_state("dummy")
assert len(state.running) == 2
m.stop()
m.run()
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_start_stop_job():
res = []
m = Manager()
m.start()
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir)
m.load(config)
state = m._get_locked_state("dummy")
res.append(len(state.running))
m.stop_job("dummy")
res.append(len(state.running))
m.stop()
m.run()
assert res == [1, 0]
def test_multiple_handers():
http_endpoint = HttpEndpoint(uri="%s:%s" % (TEST_HOST, TEST_PORT))
http_endpoint2 = HttpEndpoint(uri="%s:%s" % (TEST_HOST, TEST_PORT2))
http_handler = HttpHandler(endpoints=[http_endpoint, http_endpoint2])
m = Manager()
m.start(apps=[http_handler])
time.sleep(0.2)
s = Server("http://%s:%s" % (TEST_HOST, TEST_PORT), loop=m.loop)
s2 = Server("http://%s:%s" % (TEST_HOST, TEST_PORT2), loop=m.loop)
assert TEST_PORT != TEST_PORT2
assert s.version == __version__
assert s2.version == __version__
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()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir, numprocesses=4)
m.load(config)
state = m._get_locked_state("dummy")
assert len(state.running) == 4
state.numprocesses = 0
assert state.numprocesses == 0
m.manage("dummy")
time.sleep(0.2)
assert len(state.running) == 0
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_process_commit():
emitted = []
m = Manager()
m.start()
def cb(ev, msg):
emitted.append(msg)
# subscribe to all events
m.events.subscribe('job.default.dummy.exit', cb)
testfile, cmd, args, wdir = dummy_cmd()
config = ProcessConfig("dummy", cmd, args=args, cwd=wdir, numprocesses=0)
m.load(config)
pids0 = m.pids()
pid = m.commit("dummy", env={"BLAH": "test"})
process = m.get_process(pid)
pids1 = m.pids()
state = m._get_locked_state("dummy")
assert len(state.running) == 0
assert state.numprocesses == 0
assert len(state.running_out) == 1
m.unload("dummy")
time.sleep(0.2)
m.stop()
m.run()
assert pids0 == []
assert pid == 1
assert process.name == "default.dummy"
assert process.pid == 1
assert "BLAH" in process.env
assert pids1 == [1]
assert len(emitted) == 1
assert len(emitted[0]) == 7
msg = emitted[0]
assert "exit_status" in msg
assert msg['once'] == True
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"
