Juniper Openstack

mainline 3029 - liberty - neutron commands fail with error "Service Unavailable"

Series trunk
Bug #1657622

Bug #1657622 reported by Sudheendra Rao on 2017-01-19

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	Juniper Openstack	Status tracked in Trunk
	Trunk	Fix Committed	Critical	Ignatious Johnson Christopher	Juniper Openstack r4.0.0.0-fcs "r4.0.0.0"

Bug Description

Neutron commands fail with error "Service Unavailable" on mainline build3029 liberty ubuntu-14.04.5

root@nodeb8:~# neutron floatingip-list
<html><body><h1>503 Service Unavailable</h1>
No server is available to handle this request.
</body></html>
root@nodeb8:

neutron server seems to be running:
root@nodeb8:~# service neutron-server status
neutron-server start/running, process 19754
root@nodeb8:~#

error trace from neutron log is:

2017-01-19 07:12:54.251 INFO [neutron.manager] Loading Plugin: neutron_plugin_contrail.plugins.opencontrail.loadbalancer.v2.plugin.LoadBalancerPluginV2
2017-01-19 07:12:54.371 ERROR [neutron.manager] Error loading plugin by name
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 144, in load_class_for_provider
    mgr = driver.DriverManager(namespace, plugin_provider)
  File "/usr/lib/python2.7/dist-packages/stevedore/driver.py", line 45, in __init__
    verify_requirements=verify_requirements,
  File "/usr/lib/python2.7/dist-packages/stevedore/named.py", line 56, in __init__
    self._init_plugins(extensions)
  File "/usr/lib/python2.7/dist-packages/stevedore/driver.py", line 97, in _init_plugins
    (self.namespace, name))
RuntimeError: No 'neutron.service_plugins' driver found, looking for 'neutron_plugin_contrail.plugins.opencontrail.loadbalancer.v2.plugin.LoadBalancerPluginV2'
2017-01-19 07:12:54.372 ERROR [neutron.manager] Error loading plugin by class
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 150, in load_class_for_provider
    plugin_class = importutils.import_class(plugin_provider)
  File "/usr/lib/python2.7/dist-packages/oslo_utils/importutils.py", line 27, in import_class
    __import__(mod_str)
  File "/usr/lib/python2.7/dist-packages/neutron_plugin_contrail/plugins/opencontrail/loadbalancer/v2/plugin.py", line 5, in <module>
    from loadbalancer_db import LoadBalancerPluginDbV2
  File "/usr/lib/python2.7/dist-packages/neutron_plugin_contrail/plugins/opencontrail/loadbalancer/v2/loadbalancer_db.py", line 29, in <module>
    import loadbalancer
  File "/usr/lib/python2.7/dist-packages/neutron_plugin_contrail/plugins/opencontrail/loadbalancer/v2/loadbalancer.py", line 11, in <module>
    from neutron_lib.constants import DEVICE_OWNER_LOADBALANCER
ImportError: No module named neutron_lib.constants
2017-01-19 07:12:54.373 ERROR [neutron.common.config] Unable to load neutron from configuration file /etc/neutron/api-paste.ini.
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/neutron/common/config.py", line 252, in load_paste_app
    app = deploy.loadapp("config:%s" % config_path, name=app_name)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 247, in loadapp
    return loadobj(APP, uri, name=name, **kw)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 272, in loadobj
    return context.create()
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create
    return self.object_type.invoke(self)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 144, in invoke
    **context.local_conf)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
    val = callable(*args, **kw)
  File "/usr/lib/python2.7/dist-packages/paste/urlmap.py", line 28, in urlmap_factory
    app = loader.get_app(app_name, global_conf=global_conf)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 350, in get_app
    name=name, global_conf=global_conf).create()
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create
    return self.object_type.invoke(self)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 144, in invoke
    **context.local_conf)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
    val = callable(*args, **kw)
  File "/usr/lib/python2.7/dist-packages/neutron/auth.py", line 71, in pipeline_factory
    app = loader.get_app(pipeline[-1])
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 350, in get_app
    name=name, global_conf=global_conf).create()
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create
    return self.object_type.invoke(self)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 146, in invoke
    return fix_call(context.object, context.global_conf, **context.local_conf)
  File "/usr/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
    val = callable(*args, **kw)
  File "/usr/lib/python2.7/dist-packages/neutron/api/v2/router.py", line 73, in factory
    return cls(**local_config)
  File "/usr/lib/python2.7/dist-packages/neutron/api/v2/router.py", line 77, in __init__
    plugin = manager.NeutronManager.get_plugin()
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 248, in get_plugin
    return weakref.proxy(cls.get_instance().plugin)
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 242, in get_instance
    cls._create_instance()
  File "/usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 254, in inner
    return f(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 228, in _create_instance
    cls._instance = cls()
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 132, in __init__
    self._load_service_plugins()
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 198, in _load_service_plugins
    provider)
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 160, in _get_plugin_instance
    plugin_class = self.load_class_for_provider(namespace, plugin_provider)
  File "/usr/lib/python2.7/dist-packages/neutron/manager.py", line 156, in load_class_for_provider
    raise ImportError(_("Plugin not found."))
ImportError: Plugin not found.
2017-01-19 07:12:54.375 ERROR [neutron.service] Unrecoverable error: please check log for details.
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/neutron/service.py", line 103, in serve_wsgi
    service.start()
  File "/usr/lib/python2.7/dist-packages/neutron/service.py", line 76, in start
    self.wsgi_app = _run_wsgi(self.app_name)
  File "/usr/lib/python2.7/dist-packages/neutron/service.py", line 218, in _run_wsgi
    app = config.load_paste_app(app_name)
  File "/usr/lib/python2.7/dist-packages/neutron/common/config.py", line 259, in load_paste_app
    raise RuntimeError(msg)
RuntimeError: Unable to load neutron from configuration file /etc/neutron/api-paste.ini.

Tags:

Jeba Paulaiyan (jebap) on 2017-01-20

tags:

added: sanity

Vedamurthy Joshi (vedujoshi) on 2017-02-02

tags:

added: blocker

Revision history for this message

Ignatious Johnson Christopher (ijohnson-x) wrote on 2017-02-03:

This commit has caused this issue

https://github.com/Juniper/contrail-neutron-plugin/commit/19ad4bcee4c1ff3bf2d2093e14727866412a694a#diff-b9c54acab62f6b53a470a0dc15684a77R9

Revision history for this message

Ignatious Johnson Christopher (ijohnson-x) wrote on 2017-02-03:

DEVICE_OWNER_LOADBALANCER is available in neutron.common.constants module in mitaka or lower, from newton it is moved to neutron_lib.constants module.

Revision history for this message

OpenContrail Admin (ci-admin-f) wrote on 2017-02-03: [Review update] master

Review in progress for https://review.opencontrail.org/28394
Submitter: Ignatious Johnson Christopher (<email address hidden>)

Revision history for this message

OpenContrail Admin (ci-admin-f) wrote on 2017-02-03: A change has been merged

Reviewed: https://review.opencontrail.org/28394
Committed: http://github.org/Juniper/contrail-neutron-plugin/commit/ed35c1aa8e0a23b2a2c21ae808373b38eb6214a4
Submitter: Zuul (<email address hidden>)
Branch: master

commit ed35c1aa8e0a23b2a2c21ae808373b38eb6214a4
Author: Ignatious Johnson Christopher <email address hidden>
Date: Thu Feb 2 21:58:40 2017 -0800

DEVICE_OWNER_LOADBALANCER is available in

neutron.common.constants module in mitaka or lower,
from newton it is moved to neutron_lib.constants module.

Change-Id: I070827e59a7f6537206d8bd2ecd90122de320832
Closes-Bug: 1657622

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