Exemplo n.º 1
0
    def start(self):
        version_string = version.version_string()
        LOG.info(_LI('Starting %(topic)s node (version %(version_string)s)'),
                 {'topic': self.topic, 'version_string': version_string})
        self.model_disconnected = False
        ctxt = context.get_admin_context()
        try:
            service_ref = db.service_get_by_args(ctxt,
                                                 self.host,
                                                 self.binary)
            self.service_id = service_ref['id']
        except exception.NotFound:
            self._create_service_ref(ctxt)

        self.manager.init_host(service_id=self.service_id)

        LOG.debug("Creating RPC server for service %s", self.topic)

        target = messaging.Target(topic=self.topic, server=self.host)
        endpoints = [self.manager]
        endpoints.extend(self.manager.additional_endpoints)
        serializer = objects_base.KarborObjectSerializer()
        self.rpcserver = rpc.get_server(target, endpoints, serializer)
        self.rpcserver.start()

        self.manager.init_host_with_rpc()

        if self.report_interval:
            pulse = loopingcall.FixedIntervalLoopingCall(
                self.report_state)
            pulse.start(interval=self.report_interval,
                        initial_delay=self.report_interval)
            self.timers.append(pulse)

        if self.periodic_interval:
            if self.periodic_fuzzy_delay:
                initial_delay = random.randint(0, self.periodic_fuzzy_delay)
            else:
                initial_delay = None

            periodic = loopingcall.FixedIntervalLoopingCall(
                self.periodic_tasks)
            periodic.start(interval=self.periodic_interval,
                           initial_delay=initial_delay)
            self.timers.append(periodic)
Exemplo n.º 2
0
    def start(self):
        version_string = version.version_string()
        LOG.info('Starting %(topic)s node (version %(version_string)s)',
                 {'topic': self.topic, 'version_string': version_string})
        self.model_disconnected = False
        ctxt = context.get_admin_context()
        try:
            service_ref = db.service_get_by_args(ctxt,
                                                 self.host,
                                                 self.binary)
            self.service_id = service_ref['id']
        except exception.NotFound:
            self._create_service_ref(ctxt)

        self.manager.init_host(service_id=self.service_id)

        LOG.debug("Creating RPC server for service %s", self.topic)

        target = messaging.Target(topic=self.topic, server=self.host)
        endpoints = [self.manager]
        endpoints.extend(self.manager.additional_endpoints)
        serializer = objects_base.KarborObjectSerializer()
        self.rpcserver = rpc.get_server(target, endpoints, serializer)
        self.rpcserver.start()

        self.manager.init_host_with_rpc()

        if self.report_interval:
            pulse = loopingcall.FixedIntervalLoopingCall(
                self.report_state)
            pulse.start(interval=self.report_interval,
                        initial_delay=self.report_interval)
            self.timers.append(pulse)

        if self.periodic_interval:
            if self.periodic_fuzzy_delay:
                initial_delay = random.randint(0, self.periodic_fuzzy_delay)
            else:
                initial_delay = None

            periodic = loopingcall.FixedIntervalLoopingCall(
                self.periodic_tasks)
            periodic.start(interval=self.periodic_interval,
                           initial_delay=initial_delay)
            self.timers.append(periodic)
Exemplo n.º 3
0
 def get_by_args(cls, context, host, binary_key):
     db_service = db.service_get_by_args(context, host, binary_key)
     return cls._from_db_object(context, cls(context), db_service)
Exemplo n.º 4
0
 def get_by_args(cls, context, host, binary_key):
     db_service = db.service_get_by_args(context, host, binary_key)
     return cls._from_db_object(context, cls(context), db_service)