networking-odl

Could not load 'opendaylight': No module named OpenDaylightMechanismDriver

Bug #1516678 reported by Federico Ressi
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
networking-odl
Fix Released
Undecided
yong sheng gong

Bug Description

Running devstack with networking-odl (see attached local.conf) it fails running neutron with following exceptions:
2015-11-16 12:57:16.177 ERROR stevedore.extension [-] Could not load 'opendaylight': No module named OpenDaylightMechanismDriver
2015-11-16 12:57:16.178 ERROR stevedore.extension [-] No module named OpenDaylightMechanismDriver
2015-11-16 12:57:16.178 TRACE stevedore.extension Traceback (most recent call last):
2015-11-16 12:57:16.178 TRACE stevedore.extension File "/usr/local/lib/python2.7/dist-packages/stevedore/extension.py", line 162, in _load_plugins
2015-11-16 12:57:16.178 TRACE stevedore.extension verify_requirements,
2015-11-16 12:57:16.178 TRACE stevedore.extension File "/usr/local/lib/python2.7/dist-packages/stevedore/named.py", line 123, in _load_one_plugin
2015-11-16 12:57:16.178 TRACE stevedore.extension verify_requirements,
2015-11-16 12:57:16.178 TRACE stevedore.extension File "/usr/local/lib/python2.7/dist-packages/stevedore/extension.py", line 183, in _load_one_plugin
2015-11-16 12:57:16.178 TRACE stevedore.extension plugin = ep.resolve()
2015-11-16 12:57:16.178 TRACE stevedore.extension File "/usr/local/lib/python2.7/dist-packages/pkg_resources/_init_.py", line 2376, in resolve
2015-11-16 12:57:16.178 TRACE stevedore.extension module = _import_(self.module_name, fromlist=['__name__'], level=0)
2015-11-16 12:57:16.178 TRACE stevedore.extension ImportError: No module named OpenDaylightMechanismDriver
2015-11-16 12:57:16.178 TRACE stevedore.extension
2015-11-16 12:57:16.179 DEBUG oslo_concurrency.lockutils [-] Lock "manager" released by "neutron.manager._create_instance" :: held 0.155s from (pid=32051) inner /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:265
2015-11-16 12:57:16.179 ERROR oslo.service.wsgi [-] Couldn't lookup app: neutron
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi Traceback (most recent call last):
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/oslo_service/wsgi.py", line 324, in load_app
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return deploy.loadapp("config:%s" % self.config_path, name=name)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 247, in loadapp
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return loadobj(APP, uri, name=name, **kw)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 272, in loadobj
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return context.create()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return self.object_type.invoke(self)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 144, in invoke
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi **context.local_conf)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi val = callable(*args, **kw)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/urlmap.py", line 31, in urlmap_factory
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi app = loader.get_app(app_name, global_conf=global_conf)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 350, in get_app
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi name=name, global_conf=global_conf).create()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return self.object_type.invoke(self)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 144, in invoke
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi **context.local_conf)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi val = callable(*args, **kw)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/auth.py", line 71, in pipeline_factory
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi app = loader.get_app(pipeline[-1])
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 350, in get_app
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi name=name, global_conf=global_conf).create()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return self.object_type.invoke(self)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 146, in invoke
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return fix_call(context.object, context.global_conf, **context.local_conf)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi val = callable(*args, **kw)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/api/v2/router.py", line 74, in factory
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return cls(**local_config)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/api/v2/router.py", line 78, in _init_
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi plugin = manager.NeutronManager.get_plugin()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/manager.py", line 237, in get_plugin
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return weakref.proxy(cls.get_instance().plugin)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/manager.py", line 231, in get_instance
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi cls._create_instance()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 254, in inner
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return f(*args, **kwargs)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/manager.py", line 217, in _create_instance
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi cls._instance = cls()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/manager.py", line 117, in _init_
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi plugin_provider)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/manager.py", line 150, in _get_plugin_instance
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return plugin_class()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/quota/resource_registry.py", line 121, in wrapper
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return f(*args, **kwargs)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/plugins/ml2/plugin.py", line 145, in _init_
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi self.mechanism_manager = managers.MechanismManager()
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/opt/stack/neutron/neutron/plugins/ml2/managers.py", line 301, in _init_
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi name_order=True)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/stevedore/named.py", line 56, in _init_
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi self._init_plugins(extensions)
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/stevedore/named.py", line 112, in _init_plugins
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi self.extensions = [self[n] for n in self._names]
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi File "/usr/local/lib/python2.7/dist-packages/stevedore/extension.py", line 283, in _getitem_
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi return self._extensions_by_name[name]
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi KeyError: 'opendaylight'
2015-11-16 12:57:16.179 TRACE oslo.service.wsgi
2015-11-16 12:57:16.182 ERROR neutron.service [-] Unrecoverable error: please check log for details.
2015-11-16 12:57:16.182 TRACE neutron.service Traceback (most recent call last):
2015-11-16 12:57:16.182 TRACE neutron.service File "/opt/stack/neutron/neutron/service.py", line 107, in serve_wsgi
2015-11-16 12:57:16.182 TRACE neutron.service service.start()
2015-11-16 12:57:16.182 TRACE neutron.service File "/opt/stack/neutron/neutron/service.py", line 80, in start
2015-11-16 12:57:16.182 TRACE neutron.service self.wsgi_app = _run_wsgi(self.app_name)
2015-11-16 12:57:16.182 TRACE neutron.service File "/opt/stack/neutron/neutron/service.py", line 231, in _run_wsgi
2015-11-16 12:57:16.182 TRACE neutron.service app = config.load_paste_app(app_name)
2015-11-16 12:57:16.182 TRACE neutron.service File "/opt/stack/neutron/neutron/common/config.py", line 207, in load_paste_app
2015-11-16 12:57:16.182 TRACE neutron.service app = loader.load_app(app_name)
2015-11-16 12:57:16.182 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/oslo_service/wsgi.py", line 327, in load_app
2015-11-16 12:57:16.182 TRACE neutron.service raise PasteAppNotFound(name=name, path=self.config_path)
2015-11-16 12:57:16.182 TRACE neutron.service PasteAppNotFound: Could not load paste app 'neutron' from /etc/neutron/api-paste.ini
2015-11-16 12:57:16.182 TRACE neutron.service
2015-11-16 12:57:16.183 CRITICAL neutron [-] PasteAppNotFound: Could not load paste app 'neutron' from /etc/neutron/api-paste.ini
2015-11-16 12:57:16.183 TRACE neutron Traceback (most recent call last):
2015-11-16 12:57:16.183 TRACE neutron File "/usr/local/bin/neutron-server", line 10, in <module>
2015-11-16 12:57:16.183 TRACE neutron sys.exit(main_wsgi_eventlet())
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/cmd/eventlet/server/_init_.py", line 19, in main_wsgi_eventlet
2015-11-16 12:57:16.183 TRACE neutron wsgi_eventlet.main()
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/server/wsgi_eventlet.py", line 51, in main
2015-11-16 12:57:16.183 TRACE neutron server.boot_server(_eventlet_wsgi_server)
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/server/_init_.py", line 35, in boot_server
2015-11-16 12:57:16.183 TRACE neutron server_func()
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/server/wsgi_eventlet.py", line 28, in _eventlet_wsgi_server
2015-11-16 12:57:16.183 TRACE neutron neutron_api = service.serve_wsgi(service.NeutronApiService)
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/service.py", line 110, in serve_wsgi
2015-11-16 12:57:16.183 TRACE neutron LOG.exception(_LE('Unrecoverable error: please check log '
2015-11-16 12:57:16.183 TRACE neutron File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 197, in _exit_
2015-11-16 12:57:16.183 TRACE neutron six.reraise(self.type_, self.value, self.tb)
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/service.py", line 107, in serve_wsgi
2015-11-16 12:57:16.183 TRACE neutron service.start()
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/service.py", line 80, in start
2015-11-16 12:57:16.183 TRACE neutron self.wsgi_app = _run_wsgi(self.app_name)
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/service.py", line 231, in _run_wsgi
2015-11-16 12:57:16.183 TRACE neutron app = config.load_paste_app(app_name)
2015-11-16 12:57:16.183 TRACE neutron File "/opt/stack/neutron/neutron/common/config.py", line 207, in load_paste_app
2015-11-16 12:57:16.183 TRACE neutron app = loader.load_app(app_name)
2015-11-16 12:57:16.183 TRACE neutron File "/usr/local/lib/python2.7/dist-packages/oslo_service/wsgi.py", line 327, in load_app
2015-11-16 12:57:16.183 TRACE neutron raise PasteAppNotFound(name=name, path=self.config_path)
2015-11-16 12:57:16.183 TRACE neutron PasteAppNotFound: Could not load paste app 'neutron' from /etc/neutron/api-paste.ini
2015-11-16 12:57:16.183 TRACE neutron
q-svc failed to start

Revision history for this message
Federico Ressi (federico-ressi-9) wrote :
Revision history for this message
Federico Ressi (federico-ressi-9) wrote :
Revision history for this message
Federico Ressi (federico-ressi-9) wrote :

To reproduce the problem with vagrant you can use this. You can use it as follow:

tar -xzvf bug-1477611.tgz
cd bug-1477611
export VAGRANT_BOX=ubuntu/trusty64
vagrant up
vagrant ssh -c 'cd /opt/stack && ./stack.sh'

Revision history for this message
Isaku Yamahata (yamahata) wrote :

After final driver decomposition, have you installed networking-odl again?

yong sheng gong (gongysh)
Changed in networking-odl:
assignee: nobody → yong sheng gong (gongysh)
status: New → Confirmed
Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix proposed to networking-odl (master)

Fix proposed to branch: master
Review: https://review.openstack.org/246285

Changed in networking-odl:
status: Confirmed → In Progress
Revision history for this message
Federico Ressi (federico-ressi-9) wrote :

I am producing this error in a new ubuntu machine installed from scratch. I am using vagrant to stack inside of a clean virtual machine.

Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Change abandoned on networking-odl (master)

Change abandoned by gongysh (gong.yongsheng@99cloud.net) on branch: master
Review: https://review.openstack.org/246285
Reason: overlap with https://review.openstack.org/#/c/246453/

Revision history for this message
Isaku Yamahata (yamahata) wrote :

https://review.openstack.org/#/c/246453/ is merged
Ressi, can you please confirm that is fixed?
the we can close this bug.

Federico Ressi (federico-ressi-9)
Changed in networking-odl:
status: In Progress → Fix Released
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