Open Stack

Nope, it's not a expected behavior.

Even I faced the same issue, it hangs the neutron server. Hence, I filled
the bug for the same.
https://bugs.launchpad.net/neutron/+bug/1426904

On Sat, Feb 28, 2015 at 11:24 PM, Danny Choi (dannchoi) <dannchoi at cisco.com>
wrote:

>  Hi,
>
>  The VNI value is 24bits, i.e. <1 – 16777215>
>
>  When I defined the max value in the ml2_conf.ini file:
>
> [ml2_type_vxlan]
>
> vni_ranges = 1001:16777215
>
>  Neutron service fails to start.
>
>  2015-02-28 17:11:33.793 CRITICAL neutron [-] MemoryError
>
>
>  2015-02-28 17:11:33.793 TRACE neutron Traceback (most recent call last):
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/bin/neutron-server", line 9, in <module>
>
> 2015-02-28 17:11:33.793 TRACE neutron
> load_entry_point('neutron==2014.2.2.dev438', 'console_scripts',
> 'neutron-server')()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/server/__init__.py", line 48, in main
>
> 2015-02-28 17:11:33.793 TRACE neutron     neutron_api =
> service.serve_wsgi(service.NeutronApiService)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/service.py", line 105, in serve_wsgi
>
> 2015-02-28 17:11:33.793 TRACE neutron     LOG.exception(_('Unrecoverable
> error: please check log '
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/openstack/common/excutils.py", line 82, in
> __exit__
>
> 2015-02-28 17:11:33.793 TRACE neutron     six.reraise(self.type_,
> self.value, self.tb)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/service.py", line 102, in serve_wsgi
>
> 2015-02-28 17:11:33.793 TRACE neutron     service.start()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/service.py", line 73, in start
>
> 2015-02-28 17:11:33.793 TRACE neutron     self.wsgi_app =
> _run_wsgi(self.app_name)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/service.py", line 168, in _run_wsgi
>
> 2015-02-28 17:11:33.793 TRACE neutron     app =
> config.load_paste_app(app_name)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/common/config.py", line 185, in load_paste_app
>
> 2015-02-28 17:11:33.793 TRACE neutron     app = deploy.loadapp("config:%s"
> % config_path, name=app_name)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 247, in loadapp
>
> 2015-02-28 17:11:33.793 TRACE neutron     return loadobj(APP, uri,
> name=name, **kw)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 272, in loadobj
>
> 2015-02-28 17:11:33.793 TRACE neutron     return context.create()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 710, in create
>
> 2015-02-28 17:11:33.793 TRACE neutron     return
> self.object_type.invoke(self)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 144, in invoke
>
> 2015-02-28 17:11:33.793 TRACE neutron     **context.local_conf)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in
> fix_call
>
> 2015-02-28 17:11:33.793 TRACE neutron     val = callable(*args, **kw)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/urlmap.py", line 25, in
> urlmap_factory
>
> 2015-02-28 17:11:33.793 TRACE neutron     app = loader.get_app(app_name,
> global_conf=global_conf)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 350, in get_app
>
> 2015-02-28 17:11:33.793 TRACE neutron     name=name,
> global_conf=global_conf).create()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 710, in create
>
> 2015-02-28 17:11:33.793 TRACE neutron     return
> self.object_type.invoke(self)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 144, in invoke
>
> 2015-02-28 17:11:33.793 TRACE neutron     **context.local_conf)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in
> fix_call
>
> 2015-02-28 17:11:33.793 TRACE neutron     val = callable(*args, **kw)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/auth.py", line 71, in pipeline_factory
>
> 2015-02-28 17:11:33.793 TRACE neutron     app =
> loader.get_app(pipeline[-1])
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 350, in get_app
>
> 2015-02-28 17:11:33.793 TRACE neutron     name=name,
> global_conf=global_conf).create()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 710, in create
>
> 2015-02-28 17:11:33.793 TRACE neutron     return
> self.object_type.invoke(self)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line
> 146, in invoke
>
> 2015-02-28 17:11:33.793 TRACE neutron     return fix_call(context.object,
> context.global_conf, **context.local_conf)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in
> fix_call
>
> 2015-02-28 17:11:33.793 TRACE neutron     val = callable(*args, **kw)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/api/v2/router.py", line 69, in factory
>
> 2015-02-28 17:11:33.793 TRACE neutron     return cls(**local_config)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/api/v2/router.py", line 73, in __init__
>
> 2015-02-28 17:11:33.793 TRACE neutron     plugin =
> manager.NeutronManager.get_plugin()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/manager.py", line 219, in get_plugin
>
> 2015-02-28 17:11:33.793 TRACE neutron     return
> weakref.proxy(cls.get_instance().plugin)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/manager.py", line 213, in get_instance
>
> 2015-02-28 17:11:33.793 TRACE neutron     cls._create_instance()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/openstack/common/lockutils.py", line 272, in
> inner
>
> 2015-02-28 17:11:33.793 TRACE neutron     return f(*args, **kwargs)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/manager.py", line 199, in _create_instance
>
> 2015-02-28 17:11:33.793 TRACE neutron     cls._instance = cls()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/manager.py", line 114, in __init__
>
> 2015-02-28 17:11:33.793 TRACE neutron     plugin_provider)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/manager.py", line 140, in _get_plugin_instance
>
> 2015-02-28 17:11:33.793 TRACE neutron     return plugin_class()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/plugins/ml2/plugin.py", line 126, in __init__
>
> 2015-02-28 17:11:33.793 TRACE neutron     self.type_manager.initialize()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/plugins/ml2/managers.py", line 152, in
> initialize
>
> 2015-02-28 17:11:33.793 TRACE neutron     driver.obj.initialize()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/plugins/ml2/drivers/type_vxlan.py", line 80, in
> initialize
>
> 2015-02-28 17:11:33.793 TRACE neutron
> self._initialize(cfg.CONF.ml2_type_vxlan.vni_ranges)
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/plugins/ml2/drivers/type_tunnel.py", line 65,
> in _initialize
>
> 2015-02-28 17:11:33.793 TRACE neutron     self.sync_allocations()
>
> 2015-02-28 17:11:33.793 TRACE neutron   File
> "/opt/stack/neutron/neutron/plugins/ml2/drivers/type_vxlan.py", line 96, in
> sync_allocations
>
> 2015-02-28 17:11:33.793 TRACE neutron     vxlan_vnis |=
> set(moves.xrange(tun_min, tun_max + 1))
>
> 2015-02-28 17:11:33.793 TRACE neutron MemoryError
>
> 2015-02-28 17:11:33.793 TRACE neutron
>
>  Is this expected behavior?
>
>  Thanks,
> Danny
>
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>


-- 
*Regards,*

*Romil *
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