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[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

The middleware likely has not been updated.  That said, the keystone middleware has been added back into the nova source tree and THAT middleware has been updated.  You might need to update your paste config to the new version that is provided with the nova source code.

Devstack also uses the new middleware in the nova source tree.

Vish

On Jan 31, 2012, at 1:59 PM, David Kang wrote:

> 
> Hi,
> 
> I'm using up-to-date nova.
> nova-api cannot start because of the following error.
> It says "AttributeError: 'module' object has no attribute 'DEFINE_string'".
> I know DEFINE_string becomes obsolete and nova does not have it at all.
> I checked out the keystone package from github.
> It still uses "DEFINE_string".
> Is it a bug?
> Or is my configuration of nova is wrong?
> 
> I'll appreciate comments/answers/...
> 
> David.
> 
> 2012-01-31 15:04:20,848 CRITICAL nova [-] 'module' object has no attribute 'DEFINE_string'
> (nova): TRACE: Traceback (most recent call last):
> (nova): TRACE:   File "/usr/local/nova//bin/nova-api", line 51, in <module>
> (nova): TRACE:     servers.append(service.WSGIService(api))
> (nova): TRACE:   File "/usr/local/nova/nova/service.py", line 328, in __init__
> (nova): TRACE:     self.app = self.loader.load_app(name)
> (nova): TRACE:   File "/usr/local/nova/nova/wsgi.py", line 388, in load_app
> (nova): TRACE:     return deploy.loadapp("config:%s" % self.config_path, name=name)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 247, in loadapp
> (nova): TRACE:     return loadobj(APP, uri, name=name, **kw)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 272, in loadobj
> (nova): TRACE:     return context.create()
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 710, in create
> (nova): TRACE:     return self.object_type.invoke(self)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 144, in invoke
> (nova): TRACE:     **context.local_conf)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/util.py", line 56, in fix_call
> (nova): TRACE:     val = callable(*args, **kw)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/urlmap.py", line 25, in urlmap_factory
> (nova): TRACE:     app = loader.get_app(app_name, global_conf=global_conf)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 350, in get_app
> (nova): TRACE:     name=name, global_conf=global_conf).create()
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 362, in app_context
> (nova): TRACE:     APP, name=name, global_conf=global_conf)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 450, in get_context
> (nova): TRACE:     global_additions=global_additions)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 562, in _pipeline_app_context
> (nova): TRACE:     for name in pipeline[:-1]]
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 458, in get_context
> (nova): TRACE:     section)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 517, in _context_from_explicit
> (nova): TRACE:     value = import_string(found_expr)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", line 22, in import_string
> (nova): TRACE:     return pkg_resources.EntryPoint.parse("x=" + s).load(False)
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 1948, in load
> (nova): TRACE:     entry = __import__(self.module_name, globals(),globals(), ['__name__'])
> (nova): TRACE:   File "/usr/lib/python2.6/site-packages/keystone-2012.1-py2.6.egg/keystone/middleware/ec2_token.py", line 35, in <module>
> (nova): TRACE:     flags.DEFINE_string('keystone_ec2_url',
> (nova): TRACE: AttributeError: 'module' object has no attribute 'DEFINE_string'
> 
> ----------------------
> Dr. Dong-In "David" Kang
> Computer Scientist
> USC/ISI
> 
> 
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