[openstack-dev] Need help on this neutron-server start error with vmware_nsx plugin enable

Enoch Huangfu huangfuzeyi at gmail.com
Fri Jul 13 11:10:12 UTC 2018


 env:
openstack queen version on centos7
latest vmware_nsx plugin rpm installed: python-networking-vmware-nsx-12.0.1

when i modify 'core_plugin' value in [default] section of
/etc/neutron/neutron.conf from ml2 to vmware_nsx.plugin.NsxDvsPlugin, then
try to start neutron-server with command 'systemctl start neutron-server'
on control node, the log shows:

2018-07-13 17:57:50.802 25653 INFO neutron.manager [-] Loading core plugin:
vmware_nsx.plugin.NsxDvsPlugin
2018-07-13 17:57:51.017 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <bound method DeclarativeObject.validate_rbac_policy_change of
<class 'neutron.objects.network.Network'>> rbac-policy before_create
subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.017 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <bound method DeclarativeObject.validate_rbac_policy_change of
<class 'neutron.objects.network.Network'>> rbac-policy before_update
subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.017 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <bound method DeclarativeObject.validate_rbac_policy_change of
<class 'neutron.objects.network.Network'>> rbac-policy before_delete
subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.366 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <function _validate_network_has_subnet at 0x7f7c8a9210c8>
router_gateway before_create subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.393 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <bound method DeclarativeObject.validate_rbac_policy_change of
<class 'neutron.objects.qos.policy.QosPolicy'>> rbac-policy before_create
subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.394 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <bound method DeclarativeObject.validate_rbac_policy_change of
<class 'neutron.objects.qos.policy.QosPolicy'>> rbac-policy before_update
subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.394 25653 DEBUG neutron_lib.callbacks.manager [-]
Subscribe: <bound method DeclarativeObject.validate_rbac_policy_change of
<class 'neutron.objects.qos.policy.QosPolicy'>> rbac-policy before_delete
subscribe
/usr/lib/python2.7/site-packages/neutron_lib/callbacks/manager.py:41
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime [-] Error
loading class by alias: NoMatches: No 'neutron.core_plugins' driver found,
looking for 'vmware_nsx.plugin.NsxDvsPlugin'
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime Traceback
(most recent call last):
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/neutron_lib/utils/runtime.py", line 46,
in load_class_by_alias_or_classname
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime
 namespace, name, warn_on_missing_entrypoint=False)
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/stevedore/driver.py", line 61, in __init__
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime
 warn_on_missing_entrypoint=warn_on_missing_entrypoint
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/stevedore/named.py", line 89, in __init__
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime
 self._init_plugins(extensions)
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/stevedore/driver.py", line 113, in
_init_plugins
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime
 (self.namespace, name))
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime NoMatches: No
'neutron.core_plugins' driver found, looking for
'vmware_nsx.plugin.NsxDvsPlugin'
2018-07-13 17:57:51.442 25653 ERROR neutron_lib.utils.runtime
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime [-] Error
loading class by class name: ImportError: No module named
neutron_fwaas.db.firewall
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime Traceback
(most recent call last):
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/neutron_lib/utils/runtime.py", line 52,
in load_class_by_alias_or_classname
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime
 class_to_load = importutils.import_class(name)
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/oslo_utils/importutils.py", line 30, in
import_class
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime
 __import__(mod_str)
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/vmware_nsx/plugin.py", line 24, in
<module>
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime     from
vmware_nsx.plugins.nsx import plugin as nsx
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/vmware_nsx/plugins/nsx/plugin.py", line
64, in <module>
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime     from
vmware_nsx.plugins.nsx_v import plugin as v
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/vmware_nsx/plugins/nsx_v/plugin.py", line
145, in <module>
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime     from
vmware_nsx.services.fwaas.nsx_v import fwaas_callbacks
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/vmware_nsx/services/fwaas/nsx_v/fwa
 as_callbacks.py", line 19, in <module>
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime     from
vmware_nsx.services.fwaas.common import fwaas_callbacks_v1 as com_c
 lbcks
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime   File
"/usr/lib/python2.7/site-packages/vmware_nsx/services/fwaas/common/fw
 aas_callbacks_v1.py", line 21, in <module>
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime     from
neutron_fwaas.db.firewall import firewall_db  # noqa
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime ImportError:
No module named neutron_fwaas.db.firewall
2018-07-13 17:57:51.443 25653 ERROR neutron_lib.utils.runtime
2018-07-13 17:57:51.445 25653 ERROR neutron.manager [-] Plugin
'vmware_nsx.plugin.NsxDvsPlugin' not found.
2018-07-13 17:57:51.446 25653 DEBUG oslo_concurrency.lockutils [-] Lock
"manager" released by "neutron.manager._create_instance" :: held 0
 .644s inner
/usr/lib/python2.7/site-packages/oslo_concurrency/lockutils.py:285
2018-07-13 17:57:51.446 25653 ERROR neutron.service [-] Unrecoverable
error: please check log for details.: ImportError: Class not found.
2018-07-13 17:57:51.446 25653 ERROR neutron.service Traceback (most recent
call last):
2018-07-13 17:57:51.446 25653 ERROR neutron.service   File
"/usr/lib/python2.7/site-packages/neutron/service.py", line 86, in
serve_wsgi
2018-07-13 17:57:51.446 25653 ERROR neutron.service     service.start()
2018-07-13 17:57:51.446 25653 ERROR neutron.service   File
"/usr/lib/python2.7/site-packages/neutron/service.py", line 62, in start
2018-07-13 17:57:51.446 25653 ERROR neutron.service     self.wsgi_app =
_run_wsgi(self.app_name)
2018-07-13 17:57:51.446 25653 ERROR neutron.service   File
"/usr/lib/python2.7/site-packages/neutron/service.py", line 289, in
_run_wsgi
2018-07-13 17:57:51.446 25653 ERROR neutron.service     app =
config.load_paste_app(app_name)




I have checked the configuration and plugin package with vmware openstack
integration 5.0 build, seems that all things are the same, I have no idea
now.........
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