Public bug reported:
cinder (and likely other openstack projects that use stevedore) fails to
correctly load scheduling filters. Initially erroring as follows:
2013-04-16 14:19:27 ERROR [stevedore.extension] (stevedore 0.7.2
(/usr/lib/python2.7/dist-packages), Requirement.parse('stevedore>=0.8.0'))
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 75, in
_load_plugins
invoke_kwds,
File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 87, in
_load_one_plugin
plugin = ep.load()
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1988, in load
if require: self.require(env, installer)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2001, in
require
working_set.resolve(self.dist.requires(self.extras),env,installer))
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 588, in resolve
raise VersionConflict(dist,req) # XXX put more info here
VersionConflict: (stevedore 0.7.2 (/usr/lib/python2.7/dist-packages),
Requirement.parse('stevedore>=0.8.0'))
Later attempting to create + schedule volumes results in trace:
2013-04-16 15:02:45 ERROR [cinder.scheduler.manager] Failed to
schedule_create_volume: Scheduler Host Filter AvailabilityZoneFilter,
CapacityFilter, CapabilitiesFilter could not be found.
2013-04-16 15:02:45 ERROR [cinder.openstack.common.rpc.amqp] Exception
during message handling
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/cinder/openstack/common/rpc/amqp.py",
line 430, in _process_data
rval = self.proxy.dispatch(ctxt, version, method, **args)
File
"/usr/lib/python2.7/dist-packages/cinder/openstack/common/rpc/dispatcher.py",
line 133, in dispatch
return getattr(proxyobj, method)(ctxt, **kwargs)
File "/usr/lib/python2.7/dist-packages/cinder/scheduler/manager.py", line
115, in create_volume
context, ex, request_spec)
File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
self.gen.next()
File "/usr/lib/python2.7/dist-packages/cinder/scheduler/manager.py", line
104, in create_volume
filter_properties)
File "/usr/lib/python2.7/dist-packages/cinder/scheduler/filter_scheduler.py",
line 67, in schedule_create_volume
filter_properties)
File "/usr/lib/python2.7/dist-packages/cinder/scheduler/filter_scheduler.py",
line 204, in _schedule
filter_properties)
File "/usr/lib/python2.7/dist-packages/cinder/scheduler/host_manager.py",
line 224, in get_filtered_hosts
filter_classes = self._choose_host_filters(filter_class_names)
File "/usr/lib/python2.7/dist-packages/cinder/scheduler/host_manager.py",
line 191, in _choose_host_filters
raise exception.SchedulerHostFilterNotFound(filter_name=msg)
SchedulerHostFilterNotFound: Scheduler Host Filter AvailabilityZoneFilter,
CapacityFilter, CapabilitiesFilter could not be found.
2013-04-16 15:02:58 ERROR [cinder.scheduler.manager] Failed to
schedule_create_volume: Scheduler Host Filter AvailabilityZoneFilter,
CapacityFilter, CapabilitiesFilter could not be found.
** Affects: cinder (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1169730
Title:
cinder-scheduler fails if stevedore version < 0.8-2
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