no module named neutron_lbaas.services.loadbalancer.plugin

[Liyingjun]

When deploying kolla from source, neutron-server failed to start with error:

2016-11-24 14:51:18.809 7 ERROR neutron.common.utils [req-cd6f82e6-c62b-4f32-93ca-edd4795da03b - - - - -] Error loading class by alias
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils Traceback (most recent call last):
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/neutron/common/utils.py", line 361, in load_class_by_alias_or_classname
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils mgr = driver.DriverManager(namespace, name)
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/stevedore/driver.py", line 46, in __init__
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils verify_requirements=verify_requirements,
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/stevedore/named.py", line 77, in __init__
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils self._init_plugins(extensions)
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/stevedore/driver.py", line 98, in _init_plugins
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils (self.namespace, name))
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils NoMatches: No 'neutron.service_plugins' driver found, looking for 'neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPluginv2'
2016-11-24 14:51:18.809 7 ERROR neutron.common.utils
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils [req-cd6f82e6-c62b-4f32-93ca-edd4795da03b - - - - -] Error loading class by class name
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils Traceback (most recent call last):
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/neutron/common/utils.py", line 367, in load_class_by_alias_or_classname
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils class_to_load = importutils.import_class(name)
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/oslo_utils/importutils.py", line 30, in import_class
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils __import__(mod_str)
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils ImportError: No module named neutron_lbaas.services.loadbalancer.plugin
2016-11-24 14:51:18.810 7 ERROR neutron.common.utils
2016-11-24 14:51:18.810 7 ERROR neutron.manager [req-cd6f82e6-c62b-4f32-93ca-edd4795da03b - - - - -] Plugin 'neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPluginv2' not found.

[Paul Bourke (pauldbourke)]

https://review.openstack.org/#/c/393435/