예제 #1
0
파일: agent.py 프로젝트: zxt2012bs/neutron
    def __init__(self, host, conf=None):
        if conf:
            self.conf = conf
        else:
            self.conf = cfg.CONF
        self.router_info = {}

        self._check_config_params()

        self.process_monitor = external_process.ProcessMonitor(
            config=self.conf,
            resource_type='router')

        self.driver = common_utils.load_interface_driver(self.conf)

        self._context = n_context.get_admin_context_without_session()
        self.plugin_rpc = L3PluginApi(topics.L3PLUGIN, host)
        self.fullsync = True
        self.sync_routers_chunk_size = SYNC_ROUTERS_MAX_CHUNK_SIZE

        # Get the list of service plugins from Neutron Server
        # This is the first place where we contact neutron-server on startup
        # so retry in case its not ready to respond.
        while True:
            try:
                self.neutron_service_plugins = (
                    self.plugin_rpc.get_service_plugin_list(self.context))
            except oslo_messaging.MessagingTimeout as e:
                LOG.warning('l3-agent cannot contact neutron server '
                            'to retrieve service plugins enabled. '
                            'Check connectivity to neutron server. '
                            'Retrying... '
                            'Detailed message: %(msg)s.', {'msg': e})
                continue
            break

        self.init_extension_manager(self.plugin_rpc)

        self.metadata_driver = None
        if self.conf.enable_metadata_proxy:
            self.metadata_driver = metadata_driver.MetadataDriver(self)

        self.namespaces_manager = namespace_manager.NamespaceManager(
            self.conf,
            self.driver,
            self.metadata_driver)

        self._queue = queue.RouterProcessingQueue()
        super(L3NATAgent, self).__init__(host=self.conf.host)

        self.target_ex_net_id = None
        self.use_ipv6 = ipv6_utils.is_enabled_and_bind_by_default()

        self.pd = pd.PrefixDelegation(self.context, self.process_monitor,
                                      self.driver,
                                      self.plugin_rpc.process_prefix_update,
                                      self.create_pd_router_update,
                                      self.conf)

        # Consume network updates to trigger router resync
        consumers = [[topics.NETWORK, topics.UPDATE]]
        agent_rpc.create_consumers([self], topics.AGENT, consumers)
예제 #2
0
파일: agent.py 프로젝트: stackhpc/neutron
    def __init__(self, host, conf=None):
        if conf:
            self.conf = conf
        else:
            self.conf = cfg.CONF
        self.check_config()
        self.router_info = {}
        self.router_factory = RouterFactory()
        self._register_router_cls(self.router_factory)

        self._check_config_params()

        self.process_monitor = external_process.ProcessMonitor(
            config=self.conf,
            resource_type='router')

        self._context = n_context.get_admin_context_without_session()
        self.plugin_rpc = L3PluginApi(topics.L3PLUGIN, host)

        self.driver = common_utils.load_interface_driver(
            self.conf,
            get_networks_callback=functools.partial(
                self.plugin_rpc.get_networks, self.context))

        self.fullsync = True
        self.sync_routers_chunk_size = SYNC_ROUTERS_MAX_CHUNK_SIZE
        self._exiting = False

        # Get the HA router count from Neutron Server
        # This is the first place where we contact neutron-server on startup
        # so retry in case its not ready to respond.
        while True:
            try:
                self.ha_router_count = int(
                    self.plugin_rpc.get_host_ha_router_count(self.context))
            except oslo_messaging.MessagingTimeout as e:
                LOG.warning('l3-agent cannot contact neutron server '
                            'to retrieve HA router count. '
                            'Check connectivity to neutron server. '
                            'Retrying... '
                            'Detailed message: %(msg)s.', {'msg': e})
                continue
            break
        LOG.info("Agent HA routers count %s", self.ha_router_count)

        self.init_extension_manager(self.plugin_rpc)

        self.metadata_driver = None
        if self.conf.enable_metadata_proxy:
            self.metadata_driver = metadata_driver.MetadataDriver(self)

        self.namespaces_manager = namespace_manager.NamespaceManager(
            self.conf,
            self.driver,
            self.metadata_driver)

        # L3 agent router processing green pool
        self._pool_size = ROUTER_PROCESS_GREENLET_MIN
        self._pool = eventlet.GreenPool(size=self._pool_size)
        self._queue = queue.ResourceProcessingQueue()
        super(L3NATAgent, self).__init__(host=self.conf.host)

        self.target_ex_net_id = None
        self.use_ipv6 = netutils.is_ipv6_enabled()

        self.pd = pd.PrefixDelegation(self.context, self.process_monitor,
                                      self.driver,
                                      self.plugin_rpc.process_prefix_update,
                                      self.create_pd_router_update,
                                      self.conf)

        # Consume network updates to trigger router resync
        consumers = [[topics.NETWORK, topics.UPDATE]]
        agent_rpc.create_consumers([self], topics.AGENT, consumers)

        self._check_ha_router_process_status()
예제 #3
0
    def __init__(self, host, conf=None):
        if conf:
            self.conf = conf
        else:
            self.conf = cfg.CONF
        self.router_info = {}

        self._check_config_params()

        self.process_monitor = external_process.ProcessMonitor(
            config=self.conf, resource_type='router')

        self.driver = common_utils.load_interface_driver(self.conf)

        self._context = n_context.get_admin_context_without_session()
        self.plugin_rpc = L3PluginApi(topics.L3PLUGIN, host)
        self.fullsync = True
        self.sync_routers_chunk_size = SYNC_ROUTERS_MAX_CHUNK_SIZE

        # Get the list of service plugins from Neutron Server
        # This is the first place where we contact neutron-server on startup
        # so retry in case its not ready to respond.
        while True:
            try:
                self.neutron_service_plugins = (
                    self.plugin_rpc.get_service_plugin_list(self.context))
            except oslo_messaging.RemoteError as e:
                with excutils.save_and_reraise_exception() as ctx:
                    ctx.reraise = False
                    LOG.warning(
                        _LW('l3-agent cannot check service plugins '
                            'enabled at the neutron server when '
                            'startup due to RPC error. It happens '
                            'when the server does not support this '
                            'RPC API. If the error is '
                            'UnsupportedVersion you can ignore this '
                            'warning. Detail message: %s'), e)
                self.neutron_service_plugins = None
            except oslo_messaging.MessagingTimeout as e:
                with excutils.save_and_reraise_exception() as ctx:
                    ctx.reraise = False
                    LOG.warning(
                        _LW('l3-agent cannot contact neutron server '
                            'to retrieve service plugins enabled. '
                            'Check connectivity to neutron server. '
                            'Retrying... '
                            'Detailed message: %(msg)s.'), {'msg': e})
                    continue
            break

        self.init_extension_manager(self.plugin_rpc)

        self.metadata_driver = None
        if self.conf.enable_metadata_proxy:
            self.metadata_driver = metadata_driver.MetadataDriver(self)

        self.namespaces_manager = namespace_manager.NamespaceManager(
            self.conf, self.driver, self.metadata_driver)

        self._queue = queue.RouterProcessingQueue()
        super(L3NATAgent, self).__init__(host=self.conf.host)

        self.target_ex_net_id = None
        self.use_ipv6 = ipv6_utils.is_enabled_and_bind_by_default()

        self.pd = pd.PrefixDelegation(self.context, self.process_monitor,
                                      self.driver,
                                      self.plugin_rpc.process_prefix_update,
                                      self.create_pd_router_update, self.conf)
예제 #4
0
    def __init__(self, host, conf=None):
        if conf:
            self.conf = conf
        else:
            self.conf = cfg.CONF
        self.router_info = {}

        self._check_config_params()

        self.process_monitor = external_process.ProcessMonitor(
            config=self.conf, resource_type='router')

        self.driver = common_utils.load_interface_driver(self.conf)

        self._context = n_context.get_admin_context_without_session()
        self.plugin_rpc = L3PluginApi(topics.L3PLUGIN, host)
        self.fullsync = True
        self.sync_routers_chunk_size = SYNC_ROUTERS_MAX_CHUNK_SIZE

        # Get the list of service plugins from Neutron Server
        # This is the first place where we contact neutron-server on startup
        # so retry in case its not ready to respond.
        while True:
            try:
                self.neutron_service_plugins = (
                    self.plugin_rpc.get_service_plugin_list(self.context))
            except oslo_messaging.RemoteError as e:
                LOG.warning(
                    'l3-agent cannot check service plugins '
                    'enabled at the neutron server when '
                    'startup due to RPC error. It happens '
                    'when the server does not support this '
                    'RPC API. If the error is '
                    'UnsupportedVersion you can ignore this '
                    'warning. Detail message: %s', e)
                self.neutron_service_plugins = None
            except oslo_messaging.MessagingTimeout as e:
                LOG.warning(
                    'l3-agent cannot contact neutron server '
                    'to retrieve service plugins enabled. '
                    'Check connectivity to neutron server. '
                    'Retrying... '
                    'Detailed message: %(msg)s.', {'msg': e})
                continue
            break

        self.init_extension_manager(self.plugin_rpc)

        self.metadata_driver = None
        if self.conf.enable_metadata_proxy:
            self.metadata_driver = metadata_driver.MetadataDriver(self)

        self.namespaces_manager = namespace_manager.NamespaceManager(
            self.conf, self.driver, self.metadata_driver)

        self._queue = queue.RouterProcessingQueue()
        super(L3NATAgent, self).__init__(host=self.conf.host)

        self.target_ex_net_id = None
        self.use_ipv6 = ipv6_utils.is_enabled_and_bind_by_default()

        self.pd = pd.PrefixDelegation(self.context, self.process_monitor,
                                      self.driver,
                                      self.plugin_rpc.process_prefix_update,
                                      self.create_pd_router_update, self.conf)

        # Consume network updates to trigger router resync
        consumers = [[topics.NETWORK, topics.UPDATE]]
        agent_rpc.create_consumers([self], topics.AGENT, consumers)

        # We set HA network port status to DOWN to let l2 agent update it
        # to ACTIVE after wiring. This allows us to spawn keepalived only
        # when l2 agent finished wiring the port.
        try:
            self.plugin_rpc.update_all_ha_network_port_statuses(self.context)
        except Exception:
            LOG.exception('update_all_ha_network_port_statuses failed')