Python oslo_service.service.launch() Examples

def main():
    priv_context.init(root_helper=shlex.split(utils.get_root_helper()))
    zun_service.prepare_service(sys.argv)

    LOG.info('Starting server in PID %s', os.getpid())
    CONF.log_opt_values(LOG, logging.DEBUG)

    CONF.import_opt('topic', 'zun.conf.compute', group='compute')

    from zun.compute import manager as compute_manager
    endpoints = [
        compute_manager.Manager(),
    ]

    server = rpc_service.Service.create(CONF.compute.topic, CONF.host,
                                        endpoints, binary='zun-compute')
    launcher = service.launch(CONF, server, restart_method='mutate')
    launcher.wait() 

def main():
    """F5 LBaaS agent for OpenStack."""
    cfg.CONF.register_opts(OPTS)
    cfg.CONF.register_opts(manager.OPTS)
    cfg.CONF.register_opts(interface.OPTS)

    config.register_agent_state_opts_helper(cfg.CONF)
    config.register_root_helper(cfg.CONF)

    common_config.init(sys.argv[1:])
    # alias for common_config.setup_logging()...
    config.setup_logging()

    mgr = manager.LbaasAgentManager(cfg.CONF)

    svc = F5AgentService(
        host=mgr.agent_host,
        topic=f5constants.TOPIC_LOADBALANCER_AGENT_V2,
        manager=mgr
    )
    service.launch(cfg.CONF, svc).wait() 

def main():
    # the configuration will be read into the cfg.CONF global data structure
    config.init(sys.argv[1:])
    objects.register_all()
    if not cfg.CONF.config_file:
        sys.exit(_("ERROR: Unable to find configuration file via the default"
                   " search paths (~/.tacker/, ~/, /etc/tacker/, /etc/) and"
                   " the '--config-file' option!"))

    try:
        tacker_api = service.serve_wsgi(service.TackerApiService)
        launcher = common_service.launch(cfg.CONF, tacker_api,
                                         workers=cfg.CONF.api_workers or None,
                                         restart_method='mutate')
        launcher.wait()
    except KeyboardInterrupt:
        pass
    except RuntimeError as e:
        sys.exit(_("ERROR: %s") % e) 

def main():
    config.parse_args(sys.argv, 'senlin-health-manager')
    logging.setup(CONF, 'senlin-health-manager')
    logging.set_defaults()
    gmr.TextGuruMeditation.setup_autorun(version)
    objects.register_all()
    messaging.setup()

    from senlin.health_manager import service as health_manager

    profiler.setup('senlin-health-manager', CONF.host)
    srv = health_manager.HealthManagerService(CONF.host,
                                              consts.HEALTH_MANAGER_TOPIC)
    launcher = service.launch(CONF, srv,
                              workers=CONF.health_manager.workers,
                              restart_method='mutate')
    launcher.wait() 

def main():
    config.parse_args(sys.argv, 'senlin-engine')
    logging.setup(CONF, 'senlin-engine')
    logging.set_defaults()
    gmr.TextGuruMeditation.setup_autorun(version)
    objects.register_all()
    messaging.setup()

    from senlin.engine import service as engine

    profiler.setup('senlin-engine', CONF.host)
    srv = engine.EngineService(CONF.host,
                               consts.ENGINE_TOPIC)
    launcher = service.launch(CONF, srv,
                              workers=CONF.engine.workers,
                              restart_method='mutate')
    launcher.wait() 

def main():
    config.parse_args(sys.argv, 'senlin-conductor')
    logging.setup(CONF, 'senlin-conductor')
    logging.set_defaults()
    gmr.TextGuruMeditation.setup_autorun(version)
    objects.register_all()
    messaging.setup()

    from senlin.conductor import service as conductor

    profiler.setup('senlin-conductor', CONF.host)
    srv = conductor.ConductorService(CONF.host, consts.CONDUCTOR_TOPIC)
    launcher = service.launch(CONF, srv,
                              workers=CONF.conductor.workers,
                              restart_method='mutate')
    # the following periodic tasks are intended serve as HA checking
    # srv.create_periodic_tasks()
    launcher.wait() 

def main():
    try:
        CONF = config.CONF
        CONF(sys.argv[1:], project='barbican',
             version=version.version_info.version_string)

        # Import and configure logging.
        log.setup(CONF, 'barbican-retry-scheduler')
        LOG = log.getLogger(__name__)
        LOG.debug("Booting up Barbican worker retry/scheduler node...")

        # Queuing initialization (as a client only).
        queue.init(CONF, is_server_side=False)

        service.launch(
            CONF,
            retry_scheduler.PeriodicServer(),
            restart_method='mutate'
        ).wait()
    except RuntimeError as e:
        fail(1, e) 

def main():
    try:
        CONF = config.CONF

        # Import and configure logging.
        log.setup(CONF, 'barbican')
        LOG = log.getLogger(__name__)
        LOG.debug("Booting up Barbican worker node...")

        # Queuing initialization
        queue.init(CONF)

        service.launch(
            CONF,
            server.TaskServer(),
            workers=CONF.queue.asynchronous_workers
        ).wait()
    except RuntimeError as e:
        fail(1, e) 

def main():
    try:
        CONF = config.CONF

        # Import and configure logging.
        log.setup(CONF, 'barbican-retry-scheduler')
        LOG = log.getLogger(__name__)
        LOG.debug("Booting up Barbican worker retry/scheduler node...")

        # Queuing initialization (as a client only).
        queue.init(CONF, is_server_side=False)

        service.launch(
            CONF,
            retry_scheduler.PeriodicServer()
        ).wait()
    except RuntimeError as e:
        fail(1, e) 

def main():
    try:
        CONF = config.CONF
        CONF(sys.argv[1:], project='barbican',
             version=version.version_info.version_string)

        # Import and configure logging.
        log.setup(CONF, 'barbican')
        LOG = log.getLogger(__name__)
        LOG.debug("Booting up Barbican worker node...")

        # Queuing initialization
        queue.init(CONF)

        service.launch(
            CONF,
            server.TaskServer(),
            workers=CONF.queue.asynchronous_workers,
            restart_method='mutate'
        ).wait()
    except RuntimeError as e:
        fail(1, e) 

def main():
    try:
        config.setup_remote_pydev_debug()

        CONF = config.CONF
        CONF(sys.argv[1:], project='barbican',
             version=version.version_info.version_string)

        # Import and configure logging.
        log.setup(CONF, 'barbican')

        LOG = log.getLogger(__name__)
        LOG.info("Booting up Barbican Keystone listener node...")

        # Queuing initialization
        queue.init(CONF)

        if getattr(getattr(CONF, queue.KS_NOTIFICATIONS_GRP_NAME), 'enable'):
            service.launch(
                CONF,
                keystone_listener.MessageServer(CONF),
                restart_method='mutate'
            ).wait()
        else:
            LOG.info("Exiting as Barbican Keystone listener is not enabled...")
    except RuntimeError as e:
        fail(1, e) 

def test_launch_wrong_service_base_class(self):
        # check that services that do not subclass service.ServiceBase
        # can not be launched.
        svc = mock.Mock()
        self.assertRaises(TypeError, service.launch, self.conf, svc) 

def main(manager='tacker.conductor.conductor_server.Conductor'):
    init(sys.argv[1:])
    objects.register_all()
    logging.setup(CONF, "tacker")
    oslo_messaging.set_transport_defaults(control_exchange='tacker')
    logging.setup(CONF, "tacker")
    CONF.log_opt_values(LOG, logging.DEBUG)
    server = tacker_service.Service.create(
        binary='tacker-conductor',
        topic=topics.TOPIC_CONDUCTOR,
        manager=manager)
    service.launch(CONF, server, restart_method='mutate').wait() 

def launch(conf, service_, workers=1, restart_method='mutate'):
    return service.launch(conf, service_, workers, restart_method) 

def test_graceful_shutdown(self):
        # test that services are given a chance to clean up:
        svc = _Service()

        launcher = service.launch(self.conf, svc)
        # wait on 'init' so we know the service had time to start:
        svc.init.wait()

        launcher.stop()
        self.assertTrue(svc.cleaned_up)

        # make sure stop can be called more than once.  (i.e. play nice with
        # unit test fixtures in nova bug #1199315)
        launcher.stop() 

def main():
    # Parse config file and command line options, then start logging
    cyborg_service.prepare_service(sys.argv)

    mgr = cyborg_service.RPCService('cyborg.conductor.manager',
                                    'ConductorManager',
                                    constants.CONDUCTOR_TOPIC)

    launcher = service.launch(CONF, mgr, restart_method='mutate')
    launcher.wait() 

def main():
    # Parse config file and command line options, then start logging
    cyborg_service.prepare_service(sys.argv)
    priv_context.init(root_helper=shlex.split('sudo'))

    mgr = cyborg_service.RPCService('cyborg.agent.manager',
                                    'AgentManager',
                                    constants.AGENT_TOPIC)

    launcher = service.launch(CONF, mgr, restart_method='mutate')
    launcher.wait() 

def main():
    try:
        config.parse_args(args=common.get_properly_ordered_parameters())
        common.print_server_info("api")
        logging.setup(CONF, 'qinling')
        # Initialize RPC configuration.
        rpc.get_transport()

        api_server = api_service.WSGIService()
        launcher = service.launch(CONF, api_server, workers=api_server.workers,
                                  restart_method='mutate')
        launcher.wait()
    except RuntimeError as excp:
        sys.stderr.write("ERROR: %s\n" % excp)
        sys.exit(1) 

def serve(server, workers=None):
    global _launcher
    if _launcher:
        raise RuntimeError(_('serve() can only be called once'))

    _launcher = service.launch(CONF, server, workers=workers) 

def test_multiple_worker(self, mock_launch, alarm_mock):
        svc = service.Service()
        service.launch(self.conf, svc, workers=3)
        mock_launch.assert_called_with(svc, workers=3) 

def _test_launch_single(self, workers, mock_launch):
        svc = service.Service()
        service.launch(self.conf, svc, workers=workers)
        mock_launch.assert_called_with(svc, workers=workers) 

def test_mutate_hook_service_launcher(self):
        """Test mutate_config_files is called by ServiceLauncher on SIGHUP.

        Not using _spawn_service because ServiceLauncher doesn't fork and it's
        simplest to stay all in one process.
        """
        mutate = multiprocessing.Event()
        self.conf.register_mutate_hook(lambda c, f: mutate.set())
        launcher = service.launch(
            self.conf, ServiceWithTimer(), restart_method='mutate')

        self.assertFalse(mutate.is_set(), "Hook was called too early")
        launcher.restart()
        self.assertTrue(mutate.is_set(), "Hook wasn't called") 

def _spawn_service(self,
                       workers=1,
                       service_maker=None,
                       launcher_maker=None):
        self.workers = workers
        pid = os.fork()
        if pid == 0:
            os.setsid()
            # NOTE(johannes): We can't let the child processes exit back
            # into the unit test framework since then we'll have multiple
            # processes running the same tests (and possibly forking more
            # processes that end up in the same situation). So we need
            # to catch all exceptions and make sure nothing leaks out, in
            # particular SystemExit, which is raised by sys.exit(). We use
            # os._exit() which doesn't have this problem.
            status = 0
            try:
                serv = service_maker() if service_maker else ServiceWithTimer()
                if launcher_maker:
                    launcher = launcher_maker()
                    launcher.launch_service(serv, workers=workers)
                else:
                    launcher = service.launch(self.conf, serv, workers=workers)
                status = launcher.wait()
            except SystemExit as exc:
                status = exc.code
            except BaseException:
                # We need to be defensive here too
                try:
                    traceback.print_exc()
                except BaseException:
                    print("Couldn't print traceback")
                status = 2
            # Really exit
            os._exit(status or 0)
        return pid 

def run(port_queue, workers=3, process_time=0):
    eventlet.patcher.monkey_patch()
    # Monkey patch the original current_thread to use the up-to-date _active
    # global variable. See https://bugs.launchpad.net/bugs/1863021 and
    # https://github.com/eventlet/eventlet/issues/592
    import __original_module_threading as orig_threading  # noqa
    import threading  # noqa
    orig_threading.current_thread.__globals__['_active'] = threading._active

    def hi_app(environ, start_response):
        # Some requests need to take time to process so the connection
        # remains active.
        time.sleep(process_time)
        start_response('200 OK', [('Content-Type', 'application/json')])
        yield 'hi'

    server = Server(hi_app)
    server.listen()
    launcher = service.launch(cfg.CONF, server, workers)

    port = server.socket.getsockname()[1]
    port_queue.put(port)

    sys.stdout.flush()

    launcher.wait() 

def main():
    df_config.init(sys.argv)
    nb_api = api_nb.NbApi.get_instance()
    server = BGPService(nb_api)
    df_service.register_service('df-bgp-service', nb_api)
    service.launch(cfg.CONF, server, restart_method='mutate').wait() 

def serve(server, workers=None):
    global _launcher
    if _launcher:
        raise RuntimeError(_('serve() can only be called once'))

    _launcher = service.launch(CONF, server, workers=workers,
                               restart_method='mutate') 

def serve(server, workers=None):
    global _launcher
    if _launcher:
        raise RuntimeError('serve() can only be called once')
    _launcher = service.launch(CONF, server, workers=workers,
                               restart_method='mutate') 

def main():
    magnum_service.prepare_service(sys.argv)

    gmr.TextGuruMeditation.setup_autorun(version)

    LOG.info('Starting server in PID %s', os.getpid())
    LOG.debug("Configuration:")
    CONF.log_opt_values(LOG, logging.DEBUG)

    conductor_id = short_id.generate_id()
    endpoints = [
        indirection_api.Handler(),
        cluster_conductor.Handler(),
        conductor_listener.Handler(),
        ca_conductor.Handler(),
        federation_conductor.Handler(),
        nodegroup_conductor.Handler(),
    ]

    server = rpc_service.Service.create(CONF.conductor.topic,
                                        conductor_id, endpoints,
                                        binary='magnum-conductor')
    workers = CONF.conductor.workers
    if not workers:
        workers = processutils.get_worker_count()
    launcher = service.launch(CONF, server, workers=workers)

    # NOTE(mnaser): We create the periodic tasks here so that they
    #               can be attached to the main process and not
    #               duplicated in all the children if multiple
    #               workers are being used.
    server.create_periodic_tasks()
    server.start()

    launcher.wait() 

def main():
    config.register_ovsdb_opts_helper(cfg.CONF)
    agent_config.register_agent_state_opts_helper(cfg.CONF)
    common_config.init(sys.argv[1:])
    config.setup_logging()

    mgr = manager.OVSDBManager(cfg.CONF)
    svc = L2gatewayAgentService(
        host=cfg.CONF.host,
        topic=topics.L2GATEWAY_AGENT,
        manager=mgr
    )
    service.launch(cfg.CONF, svc).wait() 

def main():
    register_options()
    common_config.init(sys.argv[1:])
    config.setup_logging()
    server = neutron_service.Service.create(
        binary='neutron-bgp-dragent',
        topic=bgp_consts.BGP_DRAGENT,
        report_interval=cfg.CONF.AGENT.report_interval,
        manager='neutron_dynamic_routing.services.bgp.agent.bgp_dragent.'
                'BgpDrAgentWithStateReport')
    service.launch(cfg.CONF, server, restart_method='mutate').wait()