Module nova.api.ec2 has no Versions attribute

Here's the ini file I'm using:

#######
# EC2 #
#######

[composite:ec2]
use = egg:Paste#urlmap
/: ec2versions
/services/Cloud: ec2cloud
/services/Admin: ec2admin
/latest: ec2metadata
/2007-01-19: ec2metadata
/2007-03-01: ec2metadata
/2007-08-29: ec2metadata
/2007-10-10: ec2metadata
/2007-12-15: ec2metadata
/2008-02-01: ec2metadata
/2008-09-01: ec2metadata
/2009-04-04: ec2metadata
/1.0: ec2metadata

[pipeline:ec2cloud]
pipeline = logrequest totoken authtoken keystonecontext cloudrequest authorizer ec2executor

[pipeline:ec2admin]
pipeline = logrequest totoken authtoken keystonecontext adminrequest authorizer ec2executor

[pipeline:ec2metadata]
pipeline = logrequest ec2md

[pipeline:ec2versions]
pipeline = logrequest ec2ver

[filter:logrequest]
paste.filter_factory = nova.api.ec2:RequestLogging.factory

[filter:ec2lockout]
paste.filter_factory = nova.api.ec2:Lockout.factory

[filter:totoken]
paste.filter_factory = keystone.middleware.ec2_token:EC2Token.factory

[filter:ec2noauth]
paste.filter_factory = nova.api.ec2:NoAuth.factory

[filter:authenticate]
paste.filter_factory = nova.api.ec2:Authenticate.factory

[filter:cloudrequest]
controller = nova.api.ec2.cloud.CloudController
paste.filter_factory = nova.api.ec2:Requestify.factory

[filter:adminrequest]
controller = nova.api.ec2.admin.AdminController
paste.filter_factory = nova.api.ec2:Requestify.factory

[filter:authorizer]
paste.filter_factory = nova.api.ec2:Authorizer.factory

[app:ec2executor]
paste.app_factory = nova.api.ec2:Executor.factory

[app:ec2ver]
paste.app_factory = nova.api.ec2:Versions.factory

[app:ec2md]
paste.app_factory = nova.api.ec2.metadatarequesthandler:MetadataRequestHandler.factory

#############
# Openstack #
#############

[composite:osapi]
use = egg:Paste#urlmap
/: osversions
/v1.1: openstackapi

[pipeline:openstackapi]
pipeline = faultwrap authtoken keystonecontext ratelimit extensions osapiapp

[filter:faultwrap]
paste.filter_factory = nova.api.openstack:FaultWrapper.factory

[filter:auth]
paste.filter_factory = nova.api.openstack.auth:AuthMiddleware.factory

[filter:noauth]
paste.filter_factory = nova.api.openstack.auth:NoAuthMiddleware.factory

[filter:ratelimit]
paste.filter_factory = nova.api.openstack.limits:RateLimitingMiddleware.factory

[filter:extensions]
paste.filter_factory = nova.api.openstack.extensions:ExtensionMiddleware.factory

[app:osapiapp]
paste.app_factory = nova.api.openstack:APIRouter.factory

[pipeline:osversions]
pipeline = faultwrap osversionapp

[app:osversionapp]
paste.app_factory = nova.api.openstack.versions:Versions.factory

##########
# Shared #
##########

[filter:keystonecontext]
paste.filter_factory = keystone.middleware.nova_keystone_context:NovaKeystoneContext.factory

[filter:authtoken]
paste.filter_factory = keystone.middleware.auth_token:filter_factory
service_protocol = http
service_host = 127.0.0.1
service_port = 5000
auth_host = 127.0.0.1
auth_port = 35357
auth_protocol = http
auth_uri = http://127.0.0.1:5000/
admin_token = 999888777666
auth_timeout = 30
;Uncomment the following out for memcached caching
;memcache_hosts = 127.0.0.1:11211

You might try grabbing a paste config from devstack. We attempt to keep it current. The stable/diablo branch has one for diablo and trunk has one that works for trunk.

On Dec 6, 2011, at 1:15 PM, Lorin Hochstein wrote:

> New question #181098 on OpenStack Compute (nova):
> https://answers.launchpad.net/nova/+question/181098
>
> I'm trying to configure Nova to use Keystone. I'm using the API paste config file from keystone/examples/patse/nova-api-paste.ini (attached). When I try to start the service, I get the following error:
>
>
> 2011-12-06 15:51:19,122 CRITICAL nova [-] <module 'nova.api.ec2' from '/usr/local/nova/nova/api/ec2/__init__.pyc'> has no 'Versions' attribute
> (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 306, in __init__
> (nova): TRACE: self.app = self.loader.load_app(name)
> (nova): TRACE: File "/usr/local/nova/nova/wsgi.py", line 411, 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 559, in _pipeline_app_context
> (nova): TRACE: APP, pipeline[-1], global_conf)
> (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 1953, in load
> (nova): TRACE: raise ImportError("%r has no %r attribute" % (entry,attr))
> (nova): TRACE: ImportError: <module 'nova.api.ec2' from '/usr/local/nova/nova/api/ec2/__init__.pyc'> has no 'Versions' attribute
>
>
> --
> You received this question notification because you are a member of Nova
> Core, which is an answer contact for OpenStack Compute (nova).