Пример #1
0
    def test_timeouts(self):
        res = {'unreg': []}

        def func_reg(ID, service, address, pid):
            res['reg'] = (ID, service, address, pid)

        def func_unreg(ID):
            res['unreg'].append(ID)

        add_event_handler("worker-local-start", func_reg)
        add_event_handler("worker-local-stop", func_unreg)

        P = PingDB()
        w1 = (make_kasaya_id(), "foo", "tcp://127.0.0.1:1234", 789)
        w2 = (make_kasaya_id(), "baz", "tcp://127.0.0.1:1235", 790)

        P.ping_ex(*w1)
        P.ping_ex(*w2)
        gevent.sleep(0)

        # two pings
        self.assertEqual(len(P._pingdb), 2)
        set_value('WORKER_HEARTBEAT', 1)

        # check pings
        P.check_all()
        gevent.sleep(0)
        self.assertEqual(len(P._pingdb), 2)
        self.assertEqual(len(res['unreg']), 0)

        # timeout
        gevent.sleep(3)
        P.check_all()
        gevent.sleep(0)
        self.assertEqual(len(P._pingdb), 0)
        self.assertEqual(len(res['unreg']), 2)
        self.assertItemsEqual([w1[0], w2[0]], res['unreg'])

        # ping of life
        res['reg'] = None
        res['unreg'] = []
        P.ping_ex(*w1)
        P.ping_ex(*w2)
        gevent.sleep(3)
        P.ping(w1[0])
        P.check_all()
        gevent.sleep(0)
        self.assertItemsEqual([w2[0]], res['unreg'])
        self.assertEqual(len(res['unreg']), 1)
Пример #2
0
    def __init__(self):
        super(KasayaDaemon, self).__init__(is_host=True)

        # event handlers
        add_event_handler("host-join", self.on_remote_kasayad_start)
        add_event_handler("host-leave", self.on_remote_kasayad_stop)

        self.hostname = system.get_hostname()
        LOG.info("Starting local kasaya daemon with ID: [%s]" % self.ID)

        self.DB = NetworkStateDB()  # database
        self.BC = UDPBroadcast(self.ID)  # broadcaster
        self.SYNC = Synchronizer(self.DB, self.ID)  # synchronisation
        self.WORKER = SyncWorker(server=self, database=self.DB)
        self.BC.set_own_ip(self.WORKER.own_ip)
Пример #3
0
    def test_ping_pong(self):
        res = {}

        def func_reg(ID, service, address, pid):
            res['reg'] = (ID, service, address, pid)
            #print ("reg", res)#ID, service, address, pid)

        def func_unreg(ID):
            res['unr'] = ID

        add_event_handler("worker-local-start", func_reg)
        add_event_handler("worker-local-stop", func_unreg)

        P = PingDB()
        w1 = make_kasaya_id()
        res['unr'] = None

        # simple ping will not add worker to db
        P.ping(w1)
        self.assertEqual(len(P._pingdb), 0)

        P.ping_ex(w1, "foo", "tcp://127.0.0.1:1234", 567)
        gevent.sleep(0)
        self.assertEqual(len(P._pingdb), 1)
        # has been notification function triggered?
        self.assertItemsEqual(res['reg'],
                              [w1, 'foo', 'tcp://127.0.0.1:1234', 567])
        # dont call unregister
        self.assertEqual(res['unr'], None)

        # bad ping data
        res['reg'] = None
        P.ping_ex(w1, "bar", "tcp://127.0.0.1:1234", 567)
        gevent.sleep(0)
        self.assertEqual(res['reg'], None)
        self.assertEqual(res['unr'], w1)

        self.assertEqual(len(P._pingdb), 0)
Пример #4
0
    def __init__(self, server, database):
        self.DAEMON = server
        self.DB = database
        #self.BC = broadcaster
        #self.pinger = PingDB()

        # bind events
        add_event_handler("worker-local-start", self.worker_start_local)
        add_event_handler("worker-local-stop", self.worker_stop_local)
        add_event_handler("worker-local-wait", self.worker_prepare)
        add_event_handler("worker-remote-join", self.worker_start_remote)
        add_event_handler("worker-remote-leave", self.worker_stop_remote)
        add_event_handler("connection-end", self.handle_connection_end)

        # cache
        self.__services = None

        # kasayad <--> kasayad communication
        self.intersync = MessageLoop('tcp://0.0.0.0:' +
                                     str(settings.KASAYAD_CONTROL_PORT))
        self.intersync.register_message(messages.CTL_CALL,
                                        self.handle_global_control_request)
        # local worker <-> kasayad dialog on public port
        self.intersync.register_message(messages.WORKER_LIVE,
                                        self.handle_worker_live)
        self.intersync.register_message(messages.WORKER_LEAVE,
                                        self.handle_worker_leave)
        self.intersync.register_message(messages.QUERY,
                                        self.handle_name_query,
                                        raw_msg_response=True)
        # service control tasks
        self.ctl = ControlTasks(allow_redirect=True)
        self.ctl.register_task("svbus.status", self.CTL_global_services)
        self.ctl.register_task("worker.stop", self.CTL_worker_stop)
        self.ctl.register_task("worker.stats", self.CTL_worker_stats)
        self.ctl.register_task("worker.exists", self.CTL_worker_exists)
        self.ctl.register_task("service.start", self.CTL_service_start)
        self.ctl.register_task("service.stop", self.CTL_service_stop)
        self.ctl.register_task("host.rescan", self.CTL_host_rescan)
Пример #5
0
    def __init__(self,
                 servicename=None,
                 load_config=True,
                 skip_loading_modules=False):

        super(WorkerDaemon, self).__init__()

        # config loader
        if servicename is None:
            load_config = True
        if load_config:
            LOG.info("Loading service.conf")
            if servicename is None:
                servicename = self.__load_config()
        self.servicename = servicename
        self.__skip_loading_modules = skip_loading_modules

        # worker status
        # 0 - initialized
        # 1 - starting or waiting for reconnect to kasaya
        # 2 - working
        # 3 - stopping
        # 4 - dead
        self.status = 0
        LOG.info("Starting worker daemon, service [%s], ID: [%s]" %
                 (self.servicename, self.ID))
        adr = "tcp://%s:%i" % (settings.BIND_WORKER_TO,
                               settings.WORKER_MIN_PORT)
        self.loop = MessageLoop(adr, settings.WORKER_MAX_PORT)

        add_event_handler("sender-conn-closed", self.kasaya_connection_broken)
        add_event_handler("sender-conn-started",
                          self.kasaya_connection_started)

        self.SYNC = KasayaLocalClient(autoreconnect=True, sessionid=self.ID)
        self.SYNC.setup(servicename, self.loop.address, self.ID, os.getpid())
        LOG.debug("Binded to socket [%s]" %
                  (",".join(self.loop.binded_ip_list())))

        # registering handlers
        self.loop.register_message(messages.SYNC_CALL,
                                   self.handle_sync_call,
                                   raw_msg_response=True)
        self.loop.register_message(messages.CTL_CALL,
                                   self.handle_control_request)
        # heartbeat
        self.__hbloop = True
        #exposing methods
        self.exposed_methods = []
        # control tasks
        self.ctl = ControlTasks()
        self.ctl.register_task("stop", self.CTL_stop)
        self.ctl.register_task("start", self.CTL_start)
        self.ctl.register_task("stats", self.CTL_stats)
        self.ctl.register_task("tasks", self.CTL_methods)
        # stats
        #self._sb_errors = 0 # internal service bus errors
        self._tasks_succes = 0  # succesfully processed tasks
        self._tasks_error = 0  # task which triggered exceptions
        self._tasks_nonex = 0  # non existing tasks called
        self._tasks_control = 0  # control tasks received
        self._start_time = datetime.datetime.now()  # time of worker start